[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 40511 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...done. AP: slot 2 apic_id 2. AP: slot 3 apic_id 3. Waiting for 2nd SIPI to complete...done. AP: slot 1 apic_id 1. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #2 Initializing CPU #3 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 apic_id: 0x02 done. Setting up local APIC...Setting up local APIC...Skip microcode update apic_id: 0x03 done. CPU #2 initialized Skip microcode update apic_id: 0x01 done. CPU #3 initialized Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 229 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 376265 run 170210 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 8972 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 8966 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 8973 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 8965 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 8973 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90940 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107733 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 14154 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 14156 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 22371 usecs PCI: 00:1c.0 scanning... do_pci_scan_bridge for PCI: 00:1c.0 PCI: pci_scan_bus for bus 01 PCI: 01:00.0 [8086/095a] enabled Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 Capability: type 0x10 @ 0x40 Enabling Common Clock Configuration L1 Sub-State supported from root port 28 L1 Sub-State Support = 0xf CommonModeRestoreTime = 0x28 Power On Value = 0x1e, Power On Scale = 0x0 ASPM: Enabled L1 Capability: type 0x01 @ 0xc8 Capability: type 0x05 @ 0xd0 Capability: type 0x10 @ 0x40 scan_bus: scanning of bus PCI: 00:1c.0 took 53541 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 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 11322 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 10048 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10049 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466090 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486197 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 826028 exit 39258 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 2113827 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 18631 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 30878 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2444 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2250 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 5962 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5968 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5965 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 23473 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 23848 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2260 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2395 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 24517 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 2022-12-16 19:32:28 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-12-16 19:32:28 UTC ELOG: Event(92) added with size 9 at 2022-12-16 19:32:28 UTC ELOG: Event(9A) added with size 9 at 2022-12-16 19:32:28 UTC ELOG: Event(AD) added with size 10 at 2022-12-16 19:32:28 UTC ELOG: Event(9F) added with size 14 at 2022-12-16 19:32:28 UTC BS: BS_DEV_INIT times (us): entry 0 run 417184 exit 60023 ELOG: Event(A1) added with size 10 at 2022-12-16 19:32:28 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-12-16 19:32:28 UTC elog_add_boot_reason: Logged dev mode boot Finalize devices... Devices finalized FMAP: area RW_NVRAM found @ 9fa000 (24576 bytes) BS: BS_POST_DEVICE times (us): entry 25571 run 3952 exit 5199 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 58 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 daa6 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. 7affe900 0000006c COREBOOTFWD 8. 7affe8c0 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 537750 exit 146844 call enable_fixed_mtrr() MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 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() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' CPU physical address size: 39 bits 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 645 run 262059 exit 135663 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 8392223/tftp-deploy-al5y3obi/kernel/bzImage 8392223/tftp-deploy-al5y3obi/kernel/cmdline 8392223/tftp-deploy-al5y3obi/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 8392223/tftp-deploy-al5y3obi/kernel/bzImy-al5y3obi/kernel/cmdline 8392223/tftp-deploy-al5y3obi/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: 8392223/tftp-deploy-al5y3obi/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ################################################################ 00d80000 ################################### done. The bootfile was 14437568 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: 8392223/tftp-deploy-al5y3obi/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/8392223/extract-nfsrootfs-ue0hozq9,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: 18133926 Starting kernel ... [ 0.000000] Linux version 5.10.158-cip22 (KernelCI@build-j718572-x86-64-gcc-10-x86-64-defconfig-x86-chromeboozhlnc) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Fri Dec 16 19:22:33 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/8392223/extract-nfsrootfs-ue0hozq9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000059] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001393] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007216] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026019] check: Scanning 1 areas for low memory corruption [ 0.026032] Using GB pages for direct mapping [ 0.026874] RAMDISK: [mem 0x377f5000-0x37ffffff] [ 0.026882] ACPI: Early table checksum verification disabled [ 0.026890] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.026904] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.026921] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.026938] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.026951] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026963] ACPI: FACS 0x000000007AA9A240 000040 [ 0.026975] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.026988] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027000] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027013] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027025] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027038] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027051] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027063] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027076] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027081] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027086] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027091] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027096] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027101] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027106] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027111] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027115] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027120] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027125] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027130] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027270] No NUMA configuration found [ 0.027275] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027286] NODE_DATA(0) allocated [mem 0x17effa000-0x17effdfff] [ 0.027331] Zone ranges: [ 0.027337] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027345] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027352] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027360] Movable zone start for each node [ 0.027365] Early memory node ranges [ 0.027370] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027375] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027380] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027387] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027430] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027475] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.038846] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.038918] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.038944] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.039331] ACPI: PM-Timer IO Port: 0x1808 [ 0.039388] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.039402] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.039409] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.039424] Using ACPI (MADT) for SMP configuration information [ 0.039431] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.039439] TSC deadline timer available [ 0.039444] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.039475] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.039482] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.039488] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.039493] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.039498] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.039502] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.039507] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.039511] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.039516] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.039520] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.039525] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.039529] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.039534] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.039538] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.039543] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.039552] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.039560] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.054072] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.054366] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.054450] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.054456] Policy zone: Normal [ 0.054471] 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/8392223/extract-nfsrootfs-ue0hozq9,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.055039] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.055297] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.055391] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.077635] Memory: 3888548K/4089052K available (18450K kernel code, 3465K rwdata, 8028K rodata, 2020K init, 13252K bss, 200244K reserved, 0K cma-reserved) [ 0.077798] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.077862] Kernel/User page tables isolation: enabled [ 0.077948] ftrace: allocating 53396 entries in 209 pages [ 0.138325] ftrace: allocated 209 pages with 4 groups [ 0.138630] Running RCU self tests [ 0.138647] rcu: Hierarchical RCU implementation. [ 0.138651] rcu: RCU event tracing is enabled. [ 0.138656] rcu: RCU lockdep checking is enabled. [ 0.138661] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.138666] Rude variant of Tasks RCU enabled. [ 0.138670] Tracing variant of Tasks RCU enabled. [ 0.138676] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.138680] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.149017] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.149506] random: crng init done [ 0.149620] Console: colour dummy device 80x25 [ 0.224841] printk: console [ttyS0] enabled [ 0.225210] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.225873] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.226234] ... MAX_LOCK_DEPTH: 48 [ 0.226601] ... MAX_LOCKDEP_KEYS: 8192 [ 0.226984] ... CLASSHASH_SIZE: 4096 [ 0.227366] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.227755] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.228145] ... CHAINHASH_SIZE: 32768 [ 0.228534] memory used by lock dependency info: 6365 kB [ 0.229003] memory used for stack traces: 4224 kB [ 0.229421] per task-struct memory footprint: 1920 bytes [ 0.229952] ACPI: Core revision 20200925 [ 0.230563] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.231063] APIC: Switch to symmetric I/O mode setup [ 0.235530] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.236453] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.237360] pid_max: default: 32768 minimum: 301 [ 0.237434] LSM: Security Framework initializing [ 0.237434] SELinux: Initializing. [ 0.237434] LSM support for eBPF active [ 0.237434] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237434] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.237434] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.237434] process: using mwait in idle threads [ 0.237434] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.237434] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.237434] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.237434] Spectre V2 : Mitigation: IBRS [ 0.237434] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.237434] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.237434] RETBleed: Mitigation: IBRS [ 0.237434] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.237434] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.237434] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237434] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.237434] SRBDS: Vulnerable: No microcode [ 0.237434] ------------[ cut here ]------------ [ 0.237434] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.237434] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.237434] Modules linked in: [ 0.237434] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.158-cip22 #1 [ 0.237434] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.237434] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.237434] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 c0 a1 5f bc c6 05 3a 5a e4 01 01 e8 55 a6 e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.237434] RSP: 0000:ffffffffbc803de0 EFLAGS: 00010282 [ 0.237434] RAX: 0000000000000000 RBX: ffffffffbd2e05f4 RCX: 0000000000000000 [ 0.237434] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbad7a891 [ 0.237434] RBP: ffffffffbc2d1260 R08: 0000000000000001 R09: 0000000000000001 [ 0.237434] R10: ffffffffbc88fcc0 R11: 3fffffffffffffff R12: ffffffffbd2f81dc [ 0.237434] R13: cccccccccccccccc R14: ffffffffbc2d1265 R15: 0000000000000004 [ 0.237434] FS: 0000000000000000(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 0.237434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.237434] CR2: ffff9303fefff000 CR3: 0000000069626001 CR4: 00000000003706f0 [ 0.237434] Call Trace: [ 0.237434] alternative_instructions+0x7d/0x143 [ 0.237434] check_bugs+0xece/0xf2a [ 0.237434] start_kernel+0x517/0x54d [ 0.237434] secondary_startup_64_no_verify+0xc2/0xcb [ 0.237434] irq event stamp: 162585 [ 0.237434] hardirqs last enabled at (162593): [] console_unlock+0x4d1/0x5f0 [ 0.237434] hardirqs last disabled at (162600): [] console_unlock+0x444/0x5f0 [ 0.237434] softirqs last enabled at (1824): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.237434] softirqs last disabled at (1822): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.237434] ---[ end trace c2affdc28f4efb8c ]--- [ 0.237434] Freeing SMP alternatives memory: 44K [ 0.237434] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.238366] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.238453] ... version: 4 [ 0.238812] ... bit width: 48 [ 0.239175] ... generic registers: 4 [ 0.239443] ... value mask: 0000ffffffffffff [ 0.239909] ... max period: 00007fffffffffff [ 0.240373] ... fixed-purpose events: 3 [ 0.240442] ... event mask: 000000070000000f [ 0.241595] rcu: Hierarchical SRCU implementation. [ 0.244468] smp: Bringing up secondary CPUs ... [ 0.245876] x86: Booting SMP configuration: [ 0.246274] .... node #0, CPUs: #1 [ 0.246950] 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. [ 0.248446] 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. [ 0.250324] #2 #3 [ 0.253113] smp: Brought up 1 node, 4 CPUs [ 0.253816] smpboot: Max logical packages: 1 [ 0.254197] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.257450] devtmpfs: initialized [ 0.258209] x86/mm: Memory block size: 128MB [ 0.263584] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.264465] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.265663] pinctrl core: initialized pinctrl subsystem [ 0.266598] PM: RTC time: 19:32:42, date: 2022-12-16 [ 0.267794] NET: Registered protocol family 16 [ 0.269231] audit: initializing netlink subsys (disabled) [ 0.269507] audit: type=2000 audit(1671219162.033:1): state=initialized audit_enabled=0 res=1 [ 0.270618] thermal_sys: Registered thermal governor 'step_wise' [ 0.270626] thermal_sys: Registered thermal governor 'user_space' [ 0.271261] cpuidle: using governor menu [ 0.271867] ACPI: bus type PCI registered [ 0.272941] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.273450] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.274085] PCI: Using configuration type 1 for base access [ 0.305664] Kprobes globally optimized [ 0.306522] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.307105] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.307687] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.311837] ACPI: Added _OSI(Module Device) [ 0.312214] ACPI: Added _OSI(Processor Device) [ 0.312472] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.312890] ACPI: Added _OSI(Processor Aggregator Device) [ 0.313367] ACPI: Added _OSI(Linux-Dell-Video) [ 0.313446] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.313917] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.331314] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.342434] ACPI: EC: EC started [ 0.342441] ACPI: EC: interrupt blocked [ 0.343827] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.344278] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.344443] ACPI: Interpreter enabled [ 0.344869] ACPI: (supports S0 S3 S4 S5) [ 0.345223] ACPI: Using IOAPIC for interrupt routing [ 0.345552] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.370058] ACPI: Power Resource [PRIC] (on) [ 0.506903] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.507456] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.508646] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.509339] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.510285] PCI host bridge to bus 0000:00 [ 0.510448] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.511041] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.511446] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.512094] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.512444] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.513091] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.513445] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.514092] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.514444] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.515092] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.515445] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.516092] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.516444] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.517091] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.517444] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.518092] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.518445] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.519093] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.519444] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.520092] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.520445] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.521037] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.522847] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.523402] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.523463] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.524099] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.525343] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.525474] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.527132] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.527476] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.528978] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.529487] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.530246] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.531506] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.532073] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.533389] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.533494] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.535201] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.535495] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.537235] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.537496] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.538117] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.539533] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.540106] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.541593] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.542347] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.543520] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.544094] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.545567] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.546140] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.547583] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.548149] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.549715] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.550285] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.551529] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.553123] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.553489] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.555094] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.555492] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.556145] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.556570] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.558167] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.558512] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.559179] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.560454] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.561014] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.563131] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.564388] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.568828] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.571874] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.572331] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.574247] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.574830] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.575826] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.576824] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.577820] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.578823] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.579827] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.580820] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.589234] ACPI: EC: interrupt unblocked [ 0.589456] ACPI: EC: event unblocked [ 0.589806] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.590258] ACPI: EC: GPE=0x6e [ 0.590489] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.591104] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.592010] iommu: Default domain type: Translated [ 0.592691] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.593085] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.593470] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.593973] vgaarb: loaded [ 0.594897] SCSI subsystem initialized [ 0.595659] ACPI: bus type USB registered [ 0.596182] usbcore: registered new interface driver usbfs [ 0.596523] usbcore: registered new interface driver hub [ 0.597038] usbcore: registered new device driver usb [ 0.597601] pps_core: LinuxPPS API ver. 1 registered [ 0.598039] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.598456] PTP clock support registered [ 0.599496] Advanced Linux Sound Architecture Driver Initialized. [ 0.601296] NetLabel: Initializing [ 0.601445] NetLabel: domain hash size = 128 [ 0.601832] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.602417] NetLabel: unlabeled traffic allowed by default [ 0.602599] PCI: Using ACPI for IRQ routing [ 0.610904] clocksource: Switched to clocksource tsc-early [ 1.143348] VFS: Disk quotas dquot_6.6.0 [ 1.143793] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.144927] pnp: PnP ACPI init [ 1.146311] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.146925] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.147530] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.148111] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.148713] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.149295] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.149925] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.150557] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.151138] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.151738] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.153593] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.154660] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.155553] system 00:04: [io 0x0200] has been reserved [ 1.156026] system 00:04: [io 0x0204] has been reserved [ 1.156522] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.157045] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.161113] pnp: PnP ACPI: found 6 devices [ 1.178911] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.179851] NET: Registered protocol family 2 [ 1.180430] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.183468] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.184372] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.185366] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.188361] TCP: Hash tables configured (established 32768 bind 32768) [ 1.189356] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.190390] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.191329] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.192509] NET: Registered protocol family 1 [ 1.193751] RPC: Registered named UNIX socket transport module. [ 1.194298] RPC: Registered udp transport module. [ 1.194739] RPC: Registered tcp transport module. [ 1.195156] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.196422] NET: Registered protocol family 44 [ 1.196862] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.197317] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.197946] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.198503] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.199043] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.199728] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.200325] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.200943] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.201561] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.202166] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.202789] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.203394] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.204069] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.204693] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.205300] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.205922] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.206547] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.207153] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.207775] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.208383] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.209020] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.209645] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.210252] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.211487] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.214898] PCI: CLS 64 bytes, default 64 [ 1.215788] Unpacking initramfs... [ 1.581958] Freeing initrd memory: 8236K [ 1.582397] DMAR: Host address width 39 [ 1.582832] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.583377] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.584125] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.584691] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.585180] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.585998] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.586580] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.587585] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.588269] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.588858] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.589353] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.589841] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.590336] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.593099] kvm: already loaded the other module [ 1.631105] check: Scanning for low memory corruption every 60 seconds [ 1.635889] Initialise system trusted keyrings [ 1.636648] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.663847] NFS: Registering the id_resolver key type [ 1.664336] Key type id_resolver registered [ 1.664768] Key type id_legacy registered [ 1.688070] Key type asymmetric registered [ 1.688504] Asymmetric key parser 'x509' registered [ 1.688998] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.689681] io scheduler mq-deadline registered [ 1.690085] io scheduler kyber registered [ 1.690738] test_firmware: interface ready [ 1.693197] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.695404] ACPI: AC Adapter [AC] (on-line) [ 1.696305] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.698227] ACPI: Lid Switch [LID0] [ 1.698929] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.699915] ACPI: Power Button [PWRF] [ 1.700713] ACPI: \_PR_.CP00: Found 3 idle states [ 1.702187] ACPI: \_PR_.CP01: Found 3 idle states [ 1.703427] ACPI: \_PR_.CP02: Found 3 idle states [ 1.704664] ACPI: \_PR_.CP03: Found 3 idle states [ 1.707014] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.710553] hpet_acpi_add: no address or irqs in _CRS [ 1.711313] Non-volatile memory driver v1.3 [ 1.711945] Linux agpgart interface v0.103 [ 1.712427] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.715924] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.770166] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.771995] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4) [ 1.802694] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.807234] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.830708] loop: module loaded [ 1.832095] lkdtm: No crash points registered, enable through debugfs [ 1.863680] printk: console [ttyS0] disabled [ 1.865153] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.642924] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.642960] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.643170] clocksource: Switched to clocksource tsc [ 5.260825] printk: console [ttyS0] enabled [ 5.260873] fbcon: i915drmfb (fb0) is primary device [ 5.278031] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.280502] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.292649] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.292950] e100: Intel(R) PRO/100 Network Driver [ 5.292955] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.293118] e1000: Intel(R) PRO/1000 Network Driver [ 5.293122] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.293297] e1000e: Intel(R) PRO/1000 Network Driver [ 5.293300] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.293574] sky2: driver version 1.30 [ 5.294343] usbcore: registered new interface driver r8152 [ 5.295213] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.295243] ehci-pci: EHCI PCI platform driver [ 5.295350] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.295383] ohci-pci: OHCI PCI platform driver [ 5.295611] uhci_hcd: USB Universal Host Controller Interface driver [ 5.296416] Console: switching to colour frame buffer device 240x67 [ 5.298074] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.299389] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.300894] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.300960] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.303817] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.303844] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.303853] usb usb1: Product: xHCI Host Controller [ 5.303860] usb usb1: Manufacturer: Linux 5.10.158-cip22 xhci-hcd [ 5.303866] usb usb1: SerialNumber: 0000:00:14.0 [ 5.306191] hub 1-0:1.0: USB hub found [ 5.306426] hub 1-0:1.0: 12 ports detected [ 5.312020] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.312584] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.312601] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.313094] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.313106] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.313110] usb usb2: Product: xHCI Host Controller [ 5.313117] usb usb2: Manufacturer: Linux 5.10.158-cip22 xhci-hcd [ 5.313123] usb usb2: SerialNumber: 0000:00:14.0 [ 5.314896] hub 2-0:1.0: USB hub found [ 5.315032] hub 2-0:1.0: 6 ports detected [ 5.317515] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.318015] usbcore: registered new interface driver usblp [ 5.318122] usbcore: registered new interface driver usb-storage [ 5.318783] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.318967] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.318970] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.319889] i8042: Warning: Keylock active [ 5.320163] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.322825] rtc_cmos 00:02: RTC can wake from S4 [ 5.325848] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.326000] rtc_cmos 00:02: registered as rtc0 [ 5.326248] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.327497] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.327545] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.328741] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.330408] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.337778] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.566513] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.573557] intel_pstate: Intel P-state driver initializing [ 5.684342] 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 [ 5.710639] intel_pstate: HWP enabled [ 5.740955] sdhci: Secure Digital Host Controller Interface driver [ 5.747912] sdhci: Copyright(c) Pierre Ossman [ 5.752886] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.761123] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.762327] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.770305] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.778229] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.795643] hid: raw HID events driver (C) Jiri Kosina [ 5.801869] usbcore: registered new interface driver usbhid [ 5.808108] usbhid: USB HID core driver [ 5.812973] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.831637] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.838675] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.839338] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.857362] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.864271] gre: GRE over IPv4 demultiplexor driver [ 5.869771] ip_gre: GRE over IPv4 tunneling driver [ 5.876323] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.876880] IPv4 over IPsec tunneling driver [ 5.885532] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.890676] Initializing XFRM netlink socket [ 5.898335] usb 2-3: Product: USB 10/100/1000 LAN [ 5.903749] NET: Registered protocol family 10 [ 5.908390] usb 2-3: Manufacturer: Realtek [ 5.914424] Segment Routing with IPv6 [ 5.917952] usb 2-3: SerialNumber: 001000001 [ 5.927545] ip6_gre: GRE over IPv6 tunneling driver [ 5.933302] NET: Registered protocol family 17 [ 5.938456] 8021q: 802.1Q VLAN Support v1.8 [ 5.943255] Key type dns_resolver registered [ 5.948795] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.955028] microcode: Microcode Update Driver: v2.2. [ 5.955035] IPI shorthand broadcast: enabled [ 5.965575] sched_clock: Marking stable (5878506488, 86971163)->(6095947470, -130469819) [ 5.974959] registered taskstats version 1 [ 5.979558] Loading compiled-in X.509 certificates [ 5.986820] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.988494] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.996874] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.021672] PM: Magic number: 2:733:546 [ 6.026219] mem null: hash matches [ 6.030158] printk: console [netcon0] enabled [ 6.035034] netconsole: network logging started [ 6.041470] mmc0: new HS400 MMC card at address 0001 [ 6.047752] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 6.053004] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 6.059762] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 6.066600] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 6.079750] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 6.095367] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 6.106118] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.119410] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.160457] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.169658] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.177644] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.183032] usb 1-9: Manufacturer: Azurewave [ 6.187835] usb 1-9: SerialNumber: 0x0001 [ 6.197489] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.245844] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.297885] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.339847] r8152 2-3:1.0 eth0: v1.11.11 [ 6.345050] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.345859] IP-Config: Failed to open gretap0 [ 6.358213] IP-Config: Failed to open erspan0 [ 6.380621] Sending DHCP requests . [ 7.962543] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.974235] r8152 2-3:1.0 eth0: carrier on [ 9.188613] ., OK [ 9.196907] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.11 [ 9.205895] IP-Config: Complete: [ 9.209538] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.11, mask=255.255.255.0, gw=192.168.201.1 [ 9.221235] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 9.230492] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 9.230496] nameserver0=192.168.201.1 [ 9.243351] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.255104] modprobe (101) used greatest stack depth: 14208 bytes left [ 9.258284] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.269841] ALSA device list: [ 9.273353] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.273474] No soundcards found. [ 9.283087] cfg80211: failed to load regulatory.db [ 9.292672] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.302775] Freeing unused kernel image (initmem) memory: 2020K [ 9.317739] Write protecting the kernel read-only data: 28672k [ 9.325471] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.333179] Freeing unused kernel image (rodata/data gap) memory: 164K [ 9.340558] Run /init as init process Loading, please wait... [ 9.355807] all_generic_ide (118) used greatest stack depth: 14192 bytes left Starting version 247.3-7+deb11u1 [ 9.364483] systemd-udevd (123) used greatest stack depth: 13576 bytes left [ 9.578591] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.587603] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.620789] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.662803] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.673593] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.684147] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.699090] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.714064] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.726269] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.736799] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.760333] udevadm (142) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.11 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-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.936908] nfsmount (162) 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 [ 11.154763] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 11.192730] systemd[1]: Detected architecture x86-64. Welcome to Debian GNU/Linux 11 (bullseye)! [ 11.223083] systemd[1]: Set hostname to . [ 11.382345] systemd-getty-g (181) used greatest stack depth: 12624 bytes left [ 11.662135] systemd[1]: Queued start job for default target Graphical Interface. [ 11.673421] systemd[1]: Created slice system-getty.slice. [ OK ] Created slice system-getty.slice. [ 11.689123] systemd[1]: Created slice system-modprobe.slice. [ OK ] Created slice system-modprobe.slice. [ 11.705133] systemd[1]: Created slice system-serial\x2dgetty.slice. [ OK ] Created slice system-serial\x2dgetty.slice. [ 11.722089] systemd[1]: Created slice User and Session Slice. [ OK ] Created slice User and Session Slice. [ 11.738015] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [ OK ] Started Dispatch Password …ts to Console Directory Watch. [ 11.756900] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [ OK ] Started Forward Password R…uests to Wall Directory Watch. [ 11.778616] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [ OK ] Set up automount Arbitrary…s File System Automount Point. [ 11.801750] systemd[1]: Reached target Local Encrypted Volumes. [ OK ] Reached target Local Encrypted Volumes. [ 11.817819] systemd[1]: Reached target Paths. [ OK ] Reached target Paths. [ 11.828710] systemd[1]: Reached target Remote File Systems. [ OK ] Reached target Remote File Systems. [ 11.844793] systemd[1]: Reached target Slices. [ OK ] Reached target Slices. [ 11.855703] systemd[1]: Reached target Swap. [ OK ] Reached target Swap. [ 11.867025] systemd[1]: Listening on initctl Compatibility Named Pipe. [ OK ] Listening on initctl Compatibility Named Pipe. [ 11.884643] systemd[1]: Listening on Journal Audit Socket. [ OK ] Listening on Journal Audit Socket. [ 11.900691] systemd[1]: Listening on Journal Socket (/dev/log). [ OK ] Listening on Journal Socket (/dev/log). [ 11.917216] systemd[1]: Listening on Journal Socket. [ OK ] Listening on Journal Socket. [ 11.932608] systemd[1]: Listening on Network Service Netlink Socket. [ OK ] Listening on Network Service Netlink Socket. [ 11.950634] systemd[1]: Listening on udev Control Socket. [ OK ] Listening on udev Control Socket. [ 11.966039] systemd[1]: Listening on udev Kernel Socket. [ OK ] Listening on udev Kernel Socket. [ 11.983655] systemd[1]: Mounting Huge Pages File System... Mounting Huge Pages File System... [ 12.000283] systemd[1]: Mounting POSIX Message Queue File System... Mounting POSIX Message Queue File System... [ 12.019165] systemd[1]: Mounting Kernel Debug File System... Mounting Kernel Debug File System... [ 12.035080] systemd[1]: Mounting Kernel Trace File System... Mounting Kernel Trace File System... [ 12.059510] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting Create list of st…odes for the current kernel... [ 12.079161] systemd[1]: Starting Load Kernel Module configfs... Starting Load Kernel Module configfs... [ 12.095431] systemd[1]: Starting Load Kernel Module drm... Starting Load Kernel Module drm... [ 12.110427] systemd[1]: Starting Load Kernel Module fuse... Starting Load Kernel Module fuse... [ 12.147923] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.158331] fuse: init (API version 7.32) [ 12.164462] systemd[1]: Starting Journal Service... Starting Journal Service... [ 12.182509] systemd[1]: Starting Load Kernel Modules... Starting Load Kernel Modules... [ 12.199057] systemd[1]: Starting Remount Root and Kernel File Systems... Starting Remount Root and Kernel File Systems... [ 12.217461] systemd[1]: Starting Coldplug All udev Devices... Starting Coldplug All udev Devices... [ 12.236387] systemd[1]: Mounted Huge Pages File System. [ OK ] Mounted Huge Pages File System. [ 12.253034] systemd[1]: Mounted POSIX Message Queue File System. [ OK ] Mounted POSIX Message Queue File System. [ 12.269736] systemd[1]: Mounted Kernel Debug File System. [ OK ] Mounted Kernel Debug File System. [ 12.285776] systemd[1]: Mounted Kernel Trace File System. [ OK ] Mounted Kernel Trace File System. [ 12.301813] systemd[1]: Finished Create list of static device nodes for the current kernel. [ OK ] Finished Create list of st… nodes for the current kernel. [ 12.324382] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.331375] systemd[1]: Finished Load Kernel Module configfs. [ OK ] Finished Load Kernel Module configfs. [ 12.347565] systemd[1]: modprobe@drm.service: Succeeded. [ 12.354377] systemd[1]: Finished Load Kernel Module drm. [ OK ] Finished Load Kernel Module drm. [ 12.370551] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.377395] systemd[1]: Finished Load Kernel Module fuse. [ OK ] Finished Load Kernel Module fuse. [ 12.393435] systemd[1]: Finished Load Kernel Modules. [ OK ] Finished Load Kernel Modules. [ 12.408267] systemd[1]: Finished Remount Root and Kernel File Systems. [ OK ] Finished Remount Root and Kernel File Systems. [ 12.426088] systemd[1]: Started Journal Service. [ OK ] Started Journal Service. Mounting FUSE Control File System... Mounting Kernel Configuration File System... Starting Flush Journal to Persistent Storage... Starting Load/Save Random Seed... Starting Apply Kernel Variables... Starting Create System Users... [ 12.501566] systemd-journald[199]: Received client request to flush runtime journal. [ OK ] Mounted FUSE Control File System. [ OK ] Mounted Kernel Configuration File System. [ OK ] Finished Load/Save Random Seed. [ OK ] Finished Apply Kernel Variables. [ OK ] Finished Coldplug All udev Devices. [ OK ] Finished Create System Users. Starting Create Static Device Nodes in /dev... [ OK ] Finished Flush Journal to Persistent Storage. [ 14.026267] systemd-tmpfile (210) 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 ] Finished Update UTMP about System Boot/Shutdown. [ OK ] Found device Sunrise Point-LP Serial IO UART Controller. [ OK ] Created slice system-systemd\x2dbacklight.slice. [ OK ] Listening on Load/Save RF …itch Status /dev/rfkill Watch. Starting Load/Save Screen …f backlight:intel_backlight... [ OK ] Started Network Time Synchronization. [ OK ] Reached target System Time Set. [ OK ] Reached target System Time Synchronized. [ OK ] Started Network Service. [ OK ] Finished Load/Save Screen … of backlight:intel_backlight. [ OK ] Reached target System Initialization. [ 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 ] Started Daily Cleanup of Temporary Directories. [ 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... Starting Network Name Resolution... [ OK ] Finished Remove Stale Onli…ext4 Metadata Check Snapshots. [ OK ] Started User Login Management. [ OK ] Started Network Name Resolution. [ OK ] Reached target Network. [ OK ] Reached target Host and Network Name Lookups. Starting Permit User Sessions... [ OK ] Finished Permit User Sessions. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.158-cip22 #1 SMP Fri Dec 16 19:22:33 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/8392223/extract-nfsrootfs-ue0hozq9' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/8392223/extract-nfsrootfs-ue0hozq9' / # 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-8392223/environment . /lava-8392223/environment / # /lava-8392223/bin/lava-test-runner /lava-8392223/0 /lava-8392223/bin/lava-test-runner /lava-8392223/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-8392223/0/tests/0_timesync-off ++ cat uuid + UUID=8392223_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-8392223/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=8392223_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22-7-g92462fd9830b/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip -e '' -p /opt/kselftests/mainline/ -n 1 -i 1 INFO: Generating a skipfile based on /lava-8392223/0/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. --2022-12-16 19:33:19-- http://storage.kernelci.org/cip/linux-5.10.y-cip/v5.10.158-cip22-7-g92462fd9830b/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: 3539984 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 47.81K 166KB/s kselftest.tar.xz 6%[> ] 217.50K 376KB/s kselftest.tar.xz 23%[===> ] 808.57K 762KB/s kselftest.tar.xz 69%[============> ] 2.33M 1.71MB/s kselftest.tar.xz 98%[==================> ] 3.31M 2.08MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.10MB/s in 1.6s 2022-12-16 19:33:21 (2.10 MB/s) - 'kselftest.tar.xz' saved [3539984/3539984] skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ============== Tests to run =============== lkdtm:PANIC.sh lkdtm:BUG.sh lkdtm:WARNING.sh lkdtm:WARNING_MESSAGE.sh lkdtm:EXCEPTION.sh lkdtm:LOOP.sh lkdtm:EXHAUST_STACK.sh lkdtm:CORRUPT_STACK.sh lkdtm:CORRUPT_STACK_STRONG.sh lkdtm:CORRUPT_LIST_ADD.sh lkdtm:CORRUPT_LIST_DEL.sh lkdtm:STACK_GUARD_PAGE_LEADING.sh lkdtm:STACK_GUARD_PAGE_TRAILING.sh lkdtm:UNSET_SMEP.sh lkdtm:DOUBLE_FAULT.sh lkdtm:CORRUPT_PAC.sh lkdtm:UNALIGNED_LOAD_STORE_WRITE.sh lkdtm:OVERWRITE_ALLOCATION.sh lkdtm:WRITE_AFTER_FREE.sh lkdtm:READ_AFTER_FREE.sh lkdtm:WRITE_BUDDY_AFTER_FREE.sh lkdtm:READ_BUDDY_AFTER_FREE.sh lkdtm:SLAB_FREE_DOUBLE.sh lkdtm:SLAB_FREE_CROSS.sh lkdtm:SLAB_FREE_PAGE.sh lkdtm:SOFTLOCKUP.sh lkdtm:HARDLOCKUP.sh lkdtm:SPINLOCKUP.sh lkdtm:HUNG_TASK.sh lkdtm:EXEC_DATA.sh lkdtm:EXEC_STACK.sh lkdtm:EXEC_KMALLOC.sh lkdtm:EXEC_VMALLOC.sh lkdtm:EXEC_RODATA.sh lkdtm:EXEC_USERSPACE.sh lkdtm:EXEC_NULL.sh lkdtm:ACCESS_USERSPACE.sh lkdtm:ACCESS_NULL.sh lkdtm:WRITE_RO.sh lkdtm:WRITE_RO_AFTER_INIT.sh lkdtm:WRITE_KERN.sh lkdtm:REFCOUNT_INC_OVERFLOW.sh lkdtm:REFCOUNT_ADD_OVERFLOW.sh lkdtm:REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh lkdtm:REFCOUNT_DEC_ZERO.sh lkdtm:REFCOUNT_DEC_NEGATIVE.sh lkdtm:REFCOUNT_DEC_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_SUB_AND_TEST_NEGATIVE.sh lkdtm:REFCOUNT_INC_ZERO.sh lkdtm:REFCOUNT_ADD_ZERO.sh lkdtm:REFCOUNT_INC_SATURATED.sh lkdtm:REFCOUNT_DEC_SATURATED.sh lkdtm:REFCOUNT_ADD_SATURATED.sh lkdtm:REFCOUNT_INC_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_ADD_NOT_ZERO_SATURATED.sh lkdtm:REFCOUNT_DEC_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_SUB_AND_TEST_SATURATED.sh lkdtm:REFCOUNT_TIMING.sh lkdtm:ATOMIC_TIMING.sh lkdtm:USERCOPY_HEAP_SIZE_TO.sh lkdtm:USERCOPY_HEAP_SIZE_FROM.sh lkdtm:USERCOPY_HEAP_WHITELIST_TO.sh lkdtm:USERCOPY_HEAP_WHITELIST_FROM.sh lkdtm:USERCOPY_STACK_FRAME_TO.sh lkdtm:USERCOPY_STACK_FRAME_FROM.sh lkdtm:USERCOPY_STACK_BEYOND.sh lkdtm:USERCOPY_KERNEL.sh lkdtm:STACKLEAK_ERASING.sh lkdtm:CFI_FORWARD_PROTO.sh ===========End Tests to run =============== [ 47.691880] kselftest: Running tests in lkdtm TAP version 13 1..70 # selftests: lkdtm: PANIC.sh # Skipping PANIC: crashes entire system ok 1 selftests: lkdtm: PANIC.sh # SKIP # selftests: lkdtm: BUG.sh [ 47.930840] lkdtm: Performing direct entry BUG [ 47.935904] ------------[ cut here ]------------ [ 47.941093] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 47.947131] invalid opcode: 0000 [#1] SMP PTI [ 47.952001] CPU: 2 PID: 735 Comm: cat Tainted: G W 5.10.158-cip22 #1 [ 47.960559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 47.967366] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 47.971748] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 47.992726] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 47.998558] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.006524] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 48.014490] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.022469] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.030437] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 48.038405] FS: 00007f3440734580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 48.047431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.053846] CR2: 00007f344053d000 CR3: 0000000104044002 CR4: 00000000003706e0 [ 48.061812] Call Trace: [ 48.064541] direct_entry.cold+0x2c/0x38 [ 48.068919] full_proxy_write+0x53/0x80 [ 48.073198] vfs_write+0xe7/0x3a0 [ 48.076895] ksys_write+0x68/0xf0 [ 48.080592] do_syscall_64+0x30/0x40 [ 48.084580] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.090209] RIP: 0033:0x7f344064a8f3 [ 48.094197] 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 [ 48.115173] RSP: 002b:00007ffc4cf503b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.123618] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f344064a8f3 [ 48.131584] RDX: 0000000000000004 RSI: 00007f344053d000 RDI: 0000000000000001 [ 48.139551] RBP: 00007f344053d000 R08: 00007f344053c010 R09: 0000000000000000 [ 48.147523] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 48.155490] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 48.163474] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.189917] ---[ end trace c2affdc28f4efb8e ]--- [ 48.195108] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.199494] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 48.220518] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 48.226382] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.234381] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 48.242381] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 48.250383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 48.258360] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 48.266360] FS: 00007f3440734580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 48.275403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.281851] CR2: 00007f344053d000 CR3: 0000000104044002 CR4: 00000000003706e0 # Segmentation fault # [ 47.930840] lkdtm: Performing direct entry BUG # [ 47.935904] ------------[ cut here ]------------ # [ 47.941093] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 47.947131] invalid opcode: 0000 [#1] SMP PTI # [ 47.952001] CPU: 2 PID: 735 Comm: cat Tainted: G W 5.10.158-cip22 #1 # [ 47.960559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 47.967366] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 47.971748] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 47.992726] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 47.998558] RAX: ffffffffbb4e0010 RBX: 00000000000[ 48.373779] lkdtm: Performing direct entry WARNING 00001 RCX: 0000000000000000 # [ 48.006524] RDX: 0000000000000[ 48.384940] ------------[ cut here ]------------ 000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 48.014490[ 48.396320] WARNING: CPU: 1 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 ] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000[ 48.411938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 001 # [ 48.022469] R10: 00000000ffffe000 R11: 3ffffffffffffff[ 48.444572] CPU: 1 PID: 771 Comm: cat Tainted: G D W 5.10.158-cip22 #1 f R12: 0000000000000004 # [ 48.030437] R13: ffffb4c3414cff10 [ 48.459340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 48.038405] FS[ 48.472361] RIP: 0010:lkdtm_WARNING+0x13/0x20 : 00007f3440734580(0000) GS:ffff9303fad00000(0000) knlGS:000000[ 48.483457] Code: c0 f4 ff ff ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 0000000000 # [ 48.047431] CS: 0010 DS: 0000 ES: 0000 CR0: 00[ 48.510629] RSP: 0018:ffffb4c341567e60 EFLAGS: 00010202 00000080050033 # [ 48.053846] CR2: 00007f344053d000 CR3: 0000[ 48.522700] RAX: ffffffffbb4e0020 RBX: 0000000000000002 RCX: 0000000000000000 000104044002 CR4: 00000000003706e0 # [ 48.061812] Call Trace:[ 48.536865] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffffffffbc2d0de0 [ 48.551046] RBP: ffffffffbc6bc107 R08: 0000000000000000 R09: 0000000000000000 # [ 48.064541] direct_entry.cold+0x2c/0x38 # [ 48.068919[ 48.559020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 48.573197] R13: ffffb4c341567f10 R14: ffffb4c341567f10 R15: ffff930385a87000 ] full_proxy_write+0x53/0x80 # [ 48.073198] vfs_write+0xe7/[ 48.581171] FS: 00007f645e6cd580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 48.596415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0x3a0 # [ 48.076895] ksys_write+0x68/0xf0 # [ 48.080592] [ 48.602833] CR2: 00007f645e4d6000 CR3: 0000000102718004 CR4: 00000000003706e0 [ 48.617012] Call Trace: do_syscall_64+0x30/0x40 # [ 48.084580] entry_SYSCALL_64_aft[ 48.619744] direct_entry.cold+0x2c/0x38 er_hwframe+0x61/0xc6 # [ 48.090209] RIP: 0033:0x7f344064a8f3 [ 48.630329] full_proxy_write+0x53/0x80 # [ 48.094197] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c[ 48.640824] vfs_write+0xe7/0x3a0 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 48.650736] ksys_write+0x68/0xf0 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 48.660647] do_syscall_64+0x30/0x40 8 83 ec 28 48 89 54 24 18 # [ 48.115173] RSP: 002b:00007ffc4c[ 48.670850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 48.682703] RIP: 0033:0x7f645e5e38f3 f503b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.123[ 48.686696] 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 [ 48.713884] RSP: 002b:00007ffcad368368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 618] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3440[ 48.722342] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f645e5e38f3 [ 48.736528] RDX: 0000000000000008 RSI: 00007f645e4d6000 RDI: 0000000000000001 64a8f3 # [ 48.131584] RDX: 0000000000000004 RSI: 00007f344053[ 48.744498] RBP: 00007f645e4d6000 R08: 00007f645e4d5010 R09: 0000000000000000 d000 RDI: 0000000000000001 # [ 48.139551] RBP: 00007f344053d0[ 48.758680] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 R08: 00007f344053c010 R09: 0000000000000000 # [ 48.147523][ 48.772865] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000000000000[ 48.787055] irq event stamp: 0 01 # [ 48.155490] R13: 0000000000000001 R14: 0000000000020000[ 48.796671] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R15: 0000000000020000 # [ 48.163474] Modules linked in: fuse[ 48.809888] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 48.825236] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sys[ 48.840585] softirqs last disabled at (0): [<0000000000000000>] 0x0 fs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_te[ 48.853798] ---[ end trace c2affdc28f4efb8f ]--- mp_thermal cros_ec_dev cros_usbpd_notify # [ 48.189917] ---[ end trace c2affdc28f4efb8e ]--- # [ 48.195108] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.199494] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 48.220518] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 48.226382] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 48.234381] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 48.242381] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 48.250383] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 48[ 48.939346] lkdtm: Performing direct entry WARNING_MESSAGE [ 48.945880] ------------[ cut here ]------------ [ 48.951067] Warning message trigger count: 2 [ 48.955864] WARNING: CPU: 3 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 .258360] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff93[ 48.966076] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 48.998702] CPU: 3 PID: 806 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 49.007255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.014062] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 [ 49.019705] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 93 02 48 c7 c7 68 c6 6b bc 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 [ 49.040713] RSP: 0018:ffffb4c3415f7e60 EFLAGS: 00010286 [ 49.046559] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 0380ff3000 # [ 48.266360] FS: 00007f3440734580(0000) GS:ffff[ 49.054532] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 49.068713] RBP: ffffffffbc6bc10f R08: 0000000000000000 R09: 0000000000000000 [ 49.076683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 49.084676] R13: ffffb4c3415f7f10 R14: ffffb4c3415f7f10 R15: ffff930385bf4000 9303fad00000(0000) knlGS:0000000000000000 # [ 48.275403] CS: [ 49.092662] FS: 00007fd81ad5e580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 49.107903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.114320] CR2: 00007fd81ab67000 CR3: 000000010580a003 CR4: 00000000003706e0 [ 49.122287] Call Trace: [ 49.125017] direct_entry.cold+0x2c/0x38 [ 49.129427] full_proxy_write+0x53/0x80 [ 49.133741] vfs_write+0xe7/0x3a0 [ 49.137440] ksys_write+0x68/0xf0 [ 49.141141] do_syscall_64+0x30/0x40 [ 49.145131] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.150774] RIP: 0033:0x7fd81ac748f3 [ 49.154764] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.175744] RSP: 002b:00007ffff50adb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.184199] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd81ac748f3 [ 49.192168] RDX: 0000000000000010 RSI: 00007fd81ab67000 RDI: 0000000000000001 [ 49.200137] RBP: 00007fd81ab67000 R08: 00007fd81ab66010 R09: 0000000000000000 [ 49.208106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.216075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.224050] irq event stamp: 0 [ 49.227489] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.234489] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.243623] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.252757] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.259758] ---[ end trace c2affdc28f4efb90 ]--- 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.281851] CR2: 00007f344053d000 CR3: 0000000104044002 CR4: 00000000003706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 48.373779] lkdtm: Performing direct entry WARNING # [ 48.384940] ------------[ cut here ]------------ # [ 48.396320] WARNING: CPU: 1 PID: 771 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 48.411938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.444572] CPU: 1 PID: 771 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 48.459340] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.472361] RIP: 0[ 49.351113] lkdtm: Performing direct entry EXCEPTION 010:lkdtm_WARNING+0x13/0x20 # [ 48.483457] Code: c0 f4 ff ff [ 49.357518] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 49.371488] #PF: supervisor write access in kernel mode [ 49.377318] #PF: error_code(0x0002) - not-present page [ 49.383052] PGD 0 P4D 0 [ 49.385876] Oops: 0002 [#2] SMP PTI [ 49.389764] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 49.398316] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.405121] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 49.410084] Code: 48 c7 c7 68 c6 6b bc 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 [ 49.431050] RSP: 0018:ffffb4c34164fe60 EFLAGS: 00010282 [ 49.436882] RAX: ffffffffbb4e0070 RBX: 0000000000000004 RCX: 0000000000000000 [ 49.444847] RDX: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffffffffbc2d0e00 [ 49.452813] RBP: ffffffffbc5f134f R08: 0000000000000000 R09: 0000000000000000 [ 49.460780] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 49.468747] R13: ffffb4c34164ff10 R14: ffffb4c34164ff10 R15: ffff9303841e7000 [ 49.476716] FS: 00007f2c4281d580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 49.485752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.492165] CR2: 0000000000000000 CR3: 0000000103bde001 CR4: 00000000003706f0 [ 49.500132] Call Trace: [ 49.502860] direct_entry.cold+0x2c/0x38 [ 49.507243] full_proxy_write+0x53/0x80 [ 49.511530] vfs_write+0xe7/0x3a0 [ 49.515227] ksys_write+0x68/0xf0 [ 49.518924] do_syscall_64+0x30/0x40 [ 49.522912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.528541] RIP: 0033:0x7f2c427338f3 [ 49.532529] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.553499] RSP: 002b:00007ffede36e5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.561972] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2c427338f3 [ 49.569938] RDX: 000000000000000a RSI: 00007f2c42626000 RDI: 0000000000000001 [ 49.577905] RBP: 00007f2c42626000 R08: 00007f2c42625010 R09: 0000000000000000 [ 49.585873] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.593841] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.601814] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.628252] CR2: 0000000000000000 [ 49.631948] ---[ end trace c2affdc28f4efb91 ]--- [ 49.637101] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.641476] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 49.662470] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 49.668303] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.676271] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 49.684240] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 49.692208] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.700176] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 49.708145] FS: 00007f2c4281d580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 49.717181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.723595] CR2: 0000000000000000 CR3: 0000000103bde001 CR4: 00000000003706f0 [ 49.731563] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 49.741472] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 838, name: cat [ 49.749829] INFO: lockdep is turned off. [ 49.754203] irq event stamp: 0 [ 49.757607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.764605] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.773738] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.782872] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.789870] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 49.798420] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.805222] Call Trace: [ 49.807949] dump_stack+0x77/0x9b [ 49.811648] ___might_sleep.cold+0xa6/0xb6 [ 49.816219] exit_signals+0x1c/0x2e0 [ 49.820206] do_exit+0xd5/0xb00 [ 49.823708] ? ksys_write+0x68/0xf0 [ 49.827601] rewind_stack_do_exit+0x17/0x20 [ 49.832268] RIP: 0033:0x7f2c427338f3 [ 49.836255] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.857236] RSP: 002b:00007ffede36e5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.865682] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2c427338f3 [ 49.873649] RDX: 000000000000000a RSI: 00007f2c42626000 RDI: 0000000000000001 [ 49.881617] RBP: 00007f2c42626000 R08: 00007f2c42625010 R09: 0000000000000000 [ 49.889587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 49.897554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ff eb c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 # [ 48.510629] RSP: 0018:ffffb4c341567e60 EFLAGS: 00010202 # [ 48.522700] RAX: ffffffffbb4e0020 RBX: 0000000000000002 RCX: 0000000000000000 # [ 48.536865] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffffffffbc2d0de0 # [ 48.551046] RBP: ffffffffbc6bc107 R08: 0000000000000000 R09: 0000000000000000 # [ 48.559020] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 48.573197] R13: ffffb4c341567f10 R14: ffffb4c341567f10 R15: ffff930385a87000 # [ 48.581171] FS: 00007f645e6cd580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 48.596415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 48.602833] CR2: 00007f645e4d6000 CR3: 0000000102718004 CR4: 00000000003706e0 # [ 48.617012] Call Trace: # [ 48.619744] direct_entry.cold+0x2c/0x38 # [ 48.630329] full_proxy_write+0x53/0x80 # [ 48.640824] vfs_write+0xe7/0x3a0 # [ 48.650736] ksys_write+0x68/0xf0 # [ 48.660647] do_syscall_64+0x30/0x40 # [ 48.670850] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 48.682703] RIP: 0033:0x7f645e5e38f3 # [ 48.686696] 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 # [ 48.713884] RSP: 002b:00007ffcad368368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 48.722342] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f645e5e38f3 # [ 48.736528] RDX: 0000000000000008 RSI: 00007f645e4d6000 RDI: 0000000000000001 # [ 48.744498] RBP: 00007f645e4d6000 R08: 00007f645e4d5010 R09: 0000000000000000 # [ 48.758680] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 48.772865] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 48.787055] irq event stamp: 0 # [ 48.796671] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 48.809888] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 48.825236] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 48.840585] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 48.853798] ---[ end trace c2affdc28f4efb8f ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 48.939346] lkdtm: Performing direct entry WARNING_MESSAGE # [ 48.945880] ------------[ cut here ]------------ # [ 48.951067] Warning message trigger count: 2 # [ 48.955864] WARNING: CPU: 3 PID: 806 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 48.966076] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 48.998702] CPU: 3 PID: 806 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 49.007255] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.014062] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.019705] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 e1 a5 93 02 48 c7 c7 68 c6 6b bc 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 50.245498] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 49.040713] RSP: 0018:ffffb4c3415f7e60 EFLAGS: 00010286 # [ [ 50.253621] lkdtm: attempting good list addition 49.046559] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00[ 50.264994] lkdtm: attempting corrupted list addition 00000000000000 # [ 49.054532] RDX: ffff9303fadac660 RSI: ffff[ 50.276844] lkdtm: list_add() corruption not detected! 9303fad9bf70 RDI: ffff9303fad9bf70 # [ 49.068713] RBP: ffffffffbc6bc10f R08: 0000000000000000 R09: 0000000000000000 # [ 49.076683] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.084676] R13: ffffb4c3415f7f10 R14: ffffb4c3415f7f10 R15: ffff930385bf4000 # [ 49.092662] FS: 00007fd81ad5e580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 49.107903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.114320] CR2: 00007fd81ab67000 CR3: 000000010580a003 CR4: 00000000003706e0 # [ 49.122287] Call Trace: # [ 49.125017] direct_entry.cold+0x2c/0x38 # [ 49.129427] full_proxy_write+0x53/0x80 # [ 49.133741] vfs_write+0xe7/0x3a0 # [ 49.137440] ksys_write+0x68/0xf0 # [ 49.141141] do_syscall_64+0x30/0x40 # [ 49.145131] entry_SYSCALL_64_after_hwframe+0x[ 50.363691] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 50.375825] lkdtm: attempting good list removal [ 50.380919] lkdtm: attempting corrupted list removal 61/0xc6 # [ 49.150774] RIP: 0033:0x7fd81ac748f3 # [ 49.154[ 50.386493] lkdtm: list_del() corruption not detected! 764] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.175744] RSP: 002b:00007ffff50adb68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.184199] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fd81ac748f3 # [ 49.192168] RDX: 0000000000000010 RSI: 00007fd81ab67000 RDI: 0000000000000001 # [ 49.200137] RBP: 00007fd81ab67000 R08: 00007fd81ab66010 R09: 0000000000000000 # [ 49.208106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.216075] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.224050] irq event stamp: 0 # [ 49.227489][ 50.472147] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 50.480064] lkdtm: attempting bad read from page below current stack hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ [ 50.487187] BUG: stack guard page was hit at 00000000fabdc9b2 (stack is 0000000011800e19..00000000f6c6d170) [ 50.504271] kernel stack overflow (page fault): 0000 [#3] SMP PTI [ 50.511075] CPU: 2 PID: 1063 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 50.519714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.526528] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 50.533040] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 ca 6b bc 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 48 ca 6b bc <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 [ 50.554021] RSP: 0018:ffffb4c3419d7e50 EFLAGS: 00010246 [ 50.559847] RAX: 0000000000000038 RBX: ffffb4c3419d4000 RCX: 0000000000000000 [ 50.567817] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc6bca48 [ 50.575784] RBP: ffffffffbc6bc172 R08: 0000000000000000 R09: 0000000000000000 [ 50.583752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 50.591721] R13: ffffb4c3419d7f10 R14: ffffb4c3419d7f10 R15: ffff9303828de000 [ 50.599690] FS: 00007ff70915b580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 50.608725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.615141] CR2: ffffb4c3419d3fff CR3: 0000000104e00005 CR4: 00000000003706e0 [ 50.623108] Call Trace: [ 50.625834] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 50.630890] direct_entry.cold+0x2c/0x38 [ 50.635269] full_proxy_write+0x53/0x80 [ 50.639549] vfs_write+0xe7/0x3a0 [ 50.643247] ksys_write+0x68/0xf0 [ 50.646945] do_syscall_64+0x30/0x40 [ 50.650932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.656569] RIP: 0033:0x7ff7090718f3 [ 50.660556] 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 [ 50.681538] RSP: 002b:00007ffc6afeed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.689991] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff7090718f3 [ 50.697959] RDX: 0000000000000019 RSI: 00007ff708f64000 RDI: 0000000000000001 [ 50.705927] RBP: 00007ff708f64000 R08: 00007ff708f63010 R09: 0000000000000000 [ 50.713895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 50.721863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.729836] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 49.234489] hardirqs last disabled at (0): [] c[ 50.756296] ---[ end trace c2affdc28f4efb92 ]--- [ 50.767661] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.772038] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 50.793007] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 50.798838] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.806806] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 50.814772] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 50.822741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.830709] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 50.838677] FS: 00007ff70915b580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 50.847714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.854128] CR2: ffffb4c3419d3fff CR3: 0000000104e00005 CR4: 00000000003706e0 [ 50.862095] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.872004] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1063, name: cat [ 50.880468] INFO: lockdep is turned off. [ 50.884844] irq event stamp: 0 [ 50.888248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.895246] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.904379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.913522] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.920523] CPU: 2 PID: 1063 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 50.929171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.935974] Call Trace: [ 50.938701] dump_stack+0x77/0x9b [ 50.942399] ___might_sleep.cold+0xa6/0xb6 [ 50.946969] exit_signals+0x1c/0x2e0 [ 50.950957] do_exit+0xd5/0xb00 [ 50.954473] ? ksys_write+0x68/0xf0 [ 50.958365] rewind_stack_do_exit+0x17/0x20 [ 50.963031] RIP: 0033:0x7ff7090718f3 [ 50.967017] 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 [ 50.987998] RSP: 002b:00007ffc6afeed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.996470] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff7090718f3 [ 51.004438] RDX: 0000000000000019 RSI: 00007ff708f64000 RDI: 0000000000000001 [ 51.012407] RBP: 00007ff708f64000 R08: 00007ff708f63010 R09: 0000000000000000 [ 51.020376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.028345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 opy_process+0x640/0x1c80 # [ 49.243623] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.252757] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.259758] ---[ end trace c2affdc28f4efb90 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 49.351113] lkdtm: Performing direct entry EXCEPTION # [ 49.357518] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 49.371488] #PF: supervisor write access in kernel mode # [ 49.377318] #PF: error_code(0x0002) - not-present page # [ 49.383052] PGD 0 P4D 0 # [ 49.385876] Oops: 0002 [#2] SMP PTI # [ 49.389764] CPU: 0 PID: 838 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 49.398316] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.405121] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 49.410084] Code: 48 c7 c7 68 c6 6b bc 8d 70 01 89 35 d1 a5 93 02 e8 9a 37 66 00 0f 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 04 25 00 00 00 00 00 00 00 00 c3 cc cc cc cc 66 66 2e 0f 1f 84 # [ 49.431050] RSP: 0018:ffffb4c34164fe60 EFLAGS: 00010282 # [ 49.436882] RAX: ffffffffbb4e0070 RBX: 0000000000000004 RCX: 0000000000000000 # [ 49.444847] RDX: 0000000000000000 RSI: [ 51.165202] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 51.174158] lkdtm: attempting bad read from page above current stack [ 51.181268] BUG: stack guard page was hit at 00000000ef4a5ad0 (stack is 00000000423548d5..00000000b4448221) [ 51.192155] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 51.198958] CPU: 3 PID: 1096 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 51.207597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.214404] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 51.221014] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 ca 6b bc 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 c0 ca 6b bc <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff [ 51.241993] RSP: 0018:ffffb4c341a5fe50 EFLAGS: 00010246 [ 51.247826] RAX: 0000000000000038 RBX: ffffb4c341a5c000 RCX: 0000000000000000 [ 51.255794] RDX: 0000000000000000 RSI: ffff9303fad9bf70 RDI: ffffffffbc6bcac0 [ 51.263762] RBP: ffffffffbc6bc18b R08: 0000000000000000 R09: 0000000000000000 [ 51.271730] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 51.279696] R13: ffffb4c341a5ff10 R14: ffffb4c341a5ff10 R15: ffff9303859a3000 [ 51.287663] FS: 00007fb50bff2580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 51.296698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.303113] CR2: ffffb4c341a60000 CR3: 0000000104ca8005 CR4: 00000000003706e0 [ 51.311081] Call Trace: [ 51.313806] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 51.319632] direct_entry.cold+0x2c/0x38 [ 51.324008] full_proxy_write+0x53/0x80 [ 51.328281] vfs_write+0xe7/0x3a0 [ 51.331979] ksys_write+0x68/0xf0 [ 51.335667] do_syscall_64+0x30/0x40 [ 51.339656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.345295] RIP: 0033:0x7fb50bf088f3 [ 51.349273] 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 [ 51.370250] RSP: 002b:00007ffd49b76468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.378703] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb50bf088f3 [ 51.386669] RDX: 000000000000001a RSI: 00007fb50bdfb000 RDI: 0000000000000001 [ 51.394634] RBP: 00007fb50bdfb000 R08: 00007fb50bdfa010 R09: 0000000000000000 [ 51.402602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.410569] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 51.418540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffff9303fac1bf70 RDI: ffffffffbc2d0e00 # [ 49.452813] RBP: ff[ 51.444997] ---[ end trace c2affdc28f4efb93 ]--- [ 51.456360] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.460735] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 51.481713] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 51.487545] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.495528] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 51.503496] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 51.511470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.519439] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 51.527408] FS: 00007fb50bff2580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 51.536445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffffffbc5f134f R08: 0000000000000000 R09: 0000000000000000 # [ [ 51.542886] CR2: ffffb4c341a60000 CR3: 0000000104ca8005 CR4: 00000000003706e0 [ 51.557065] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.566976] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1096, name: cat [ 51.575431] INFO: lockdep is turned off. [ 51.579805] irq event stamp: 0 [ 51.583210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.590210] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 51.599337] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 51.608472] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 51.615471] CPU: 3 PID: 1096 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 51.624119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.630923] Call Trace: [ 51.633649] dump_stack+0x77/0x9b [ 51.637347] ___might_sleep.cold+0xa6/0xb6 [ 51.641918] exit_signals+0x1c/0x2e0 [ 51.645898] do_exit+0xd5/0xb00 [ 51.649402] ? ksys_write+0x68/0xf0 [ 51.653294] rewind_stack_do_exit+0x17/0x20 [ 51.657960] RIP: 0033:0x7fb50bf088f3 [ 51.661949] 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 [ 51.682925] RSP: 002b:00007ffd49b76468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.691381] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb50bf088f3 [ 51.699350] RDX: 000000000000001a RSI: 00007fb50bdfb000 RDI: 0000000000000001 [ 51.707320] RBP: 00007fb50bdfb000 R08: 00007fb50bdfa010 R09: 0000000000000000 [ 51.715288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 51.723256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 49.460780] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 49.468747] R13: ffffb4c34164ff10 R14: ffffb4c34164ff10 R15: ffff9303841e7000 # [ 49.476716] FS: 00007f2c4281d580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 49.485752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.492165] CR2: 0000000000000000 CR3: 0000000103bde001 CR4: 00000000003706f0 # [ 49.500132] Call Trace: # [ 49.502860] direct_entry.cold+0x2c/0x38 # [ 49.507243] full_proxy_write+0x53/0x80 # [ 49.511530] vfs_write+0xe7/0x3a0 # [ 49.515227] ksys_write+0x68/0xf0 # [ 49.518924] do_syscall_64+0x30/0x40 # [ 49.522912] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.528541] RIP: 0033:0x7f2c427338f3 # [ 49.532529] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.553499] RSP: 002b:00007ffede36e5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.561972] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2c427338f3 #[ 51.842172] lkdtm: Performing direct entry UNSET_SMEP [ 49.569938] RDX: 000000000000000a RSI: 00007f2c42626000 RDI:[ 51.848814] lkdtm: trying to clear SMEP normally 0000000000000001 # [ 49.577905] RBP: 00007f2c42626000 R08: 0[ 51.860172] ------------[ cut here ]------------ 0007f2c42625010 R09: 0000000000000000 # [ 49.585873] R10: fff[ 51.871566] pinned CR4 bits changed: 0x100000!? ffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 51.882887] WARNING: CPU: 0 PID: 1132 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 49.593841] R13: 0000000000000001 R14: 0000000000020000 R15: 000[ 51.899316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000000020000 # [ 49.601814] Modules linked in: fuse ip_table[ 51.931952] CPU: 0 PID: 1132 Comm: cat Tainted: G D W 5.10.158-cip22 #1 s cros_ec_sensors cros_ec_sensors_core industrialio_triggered_bu[ 51.946815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_e[ 51.959842] RIP: 0010:native_write_cr4+0x45/0x60 c_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_therma[ 51.971235] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 72 a0 e3 01 00 75 f2 48 c7 c7 70 b3 5f bc c6 05 62 a0 e3 01 01 e8 65 ec e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 l cros_ec_dev cros_usbpd_notify # [ 49.628252] CR2: 000000000[ 51.998446] RSP: 0018:ffffb4c341ae7e48 EFLAGS: 00010286 0000000 # [ 49.631948] ---[ end trace c2affdc28f4efb91 ]--- [ 52.010505] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 49.637101] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 49.641476] [ 52.024744] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 e[ 52.038883] RBP: ffffffffbc6bc1a5 R08: 0000000000000000 R09: 0000000000000000 a ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00[ 52.053103] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a[ 52.067270] R13: ffffb4c341ae7f10 R14: ffffb4c341ae7f10 R15: ffff930383234000 6 93 02 # [ 49.662470] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 000[ 52.081515] FS: 00007f35a0ce0580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 10282 # [ 49.668303] RAX: ffffffffbb4e0010 RBX: 0000000000000[ 52.096717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 001 RCX: 0000000000000000 # [ 49.676271] RDX: 000000000000000[ 52.109352] CR2: 00007f35a0ae9000 CR3: 00000001034bc001 CR4: 00000000003706f0 0 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 49.684240] [ 52.123560] Call Trace: RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 000000000000000[ 52.132554] lkdtm_UNSET_SMEP.cold+0x1d/0x103 1 # [ 49.692208] R10: 00000000ffffe000 R11: 3fffffffffffffff [ 52.143623] direct_entry.cold+0x2c/0x38 R12: 0000000000000004 # [ 49.700176] R13: ffffb4c3414cff10 R1[ 52.154207] full_proxy_write+0x53/0x80 4: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 49.708145] FS: [ 52.164731] vfs_write+0xe7/0x3a0 00007f2c4281d580(0000) GS:ffff9303fac00000(0000) knlGS:00000000[ 52.174647] ksys_write+0x68/0xf0 00000000 # [ 49.717181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000[ 52.184590] do_syscall_64+0x30/0x40 000080050033 # [ 49.723595] CR2: 0000000000000000 CR3: 000000[ 52.194776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0103bde001 CR4: 00000000003706f0 # [ 49.731563] BUG: sleeping[ 52.206685] RIP: 0033:0x7f35a0bf68f3 function called from invalid context at include/linux/percpu-rw[ 52.216903] 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 sem.h:49 # [ 49.741472] in_atomic(): 0, irqs_disabled(): 1, n[ 52.244162] RSP: 002b:00007ffd2f5b0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 on_block: 0, pid: 838, name: cat # [ 49.749829] INFO: lockdep[ 52.258782] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f35a0bf68f3 is turned off. # [ 49.754203] irq event stamp: 0 # [ 49.7[ 52.272979] RDX: 000000000000000b RSI: 00007f35a0ae9000 RDI: 0000000000000001 57607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.287157] RBP: 00007f35a0ae9000 R08: 00007f35a0ae8010 R09: 0000000000000000 # [ 49.764605] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.773738] softirqs last [ 52.315553] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 enabled at (0): [] copy_process+0x640/0x1c80 [ 52.329726] irq event stamp: 0 # [ 49.782872] softirqs last disabled at (0): [<00000000000000[ 52.339350] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00>] 0x0 # [ 49.789870] CPU: 0 PID: 838 Comm: cat Tainted: G [ 52.352576] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 D W 5.10.158-cip22 #1 # [ 49.798420] Hardware na[ 52.367933] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.805222] Cal[ 52.383290] softirqs last disabled at (0): [<0000000000000000>] 0x0 l Trace: # [ 49.807949] dump_stack+0x77/0x9b # [ 49.81164[ 52.396509] ---[ end trace c2affdc28f4efb94 ]--- 8] ___might_sleep.cold+0xa6/0xb6 # [ 49.816219] exit_signal[ 52.407893] lkdtm: ok: SMEP did not get cleared s+0x1c/0x2e0 # [ 49.820206] do_exit+0xd5/0xb00 # [ 49.823[ 52.419158] lkdtm: trying to clear SMEP with call gadget 708] ? ksys_write+0x68/0xf0 # [ 49.827601] rewind_stack_do_[ 52.431310] lkdtm: ok: SMEP removal was reverted exit+0x17/0x20 # [ 49.832268] RIP: 0033:0x7f2c427338f3 # [ 49.836255] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.857236] RSP: 002b:00007ffede36e5c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.865682] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f2c427338f3 # [ 49.873649] RDX: 000000000000000a RSI: 00007f2c42626000 RDI: 0000000000000001 # [ 49.881617] RBP: 00007f2c42626000 R08: 00007f2c42625010 R09: 0000000000000000 # [ 49.889587] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 49.897554] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping C[ 52.549344] lkdtm: Performing direct entry DOUBLE_FAULT [ 52.560365] lkdtm: XFAIL: this test is ia32-only ORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 50.245498] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 50.253621] lkdtm: attempting good list addition # [ 50.264994] lkdtm: attempting corrupted list addition # [ 50.276844] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 50.363691] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.375825] lkdtm: attempting good list removal # [ 50.380919] lkdtm: attempting corrupted list removal # [ 50.386493] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_D[ 52.656035] lkdtm: Performing direct entry CORRUPT_PAC EL: missing 'list_del corruption': [FAIL] not ok 11 selftests: [ 52.664537] lkdtm: XFAIL: this test is arm64-only lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 50.472147] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 50.480064] lkdtm: attempting bad read from page below current stack # [ 50.487187] BUG: stack guard page was hit at 00000000fabdc9b2 (stack is 0000000011800e19..00000000f6c6d170) # [ 50.504271] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 50.511075] CPU: 2 PID: 1063 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 50.519714] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.526528] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 50.533040] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 08 ca 6b bc 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 32 a0 fd ff 48 c7 c7 48 ca 6b bc <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 18 a0 fd ff 0f 1f 44 # [ 50.554021] RSP: 0018:ffffb4c3419d7e50 EFLAGS: 00010246 # [ 50.559847] RAX: 0000000000000038 RBX: ffffb4c3419d4000 RCX: 0000000000000000 # [ 50.567817] RDX: 0000000000000000 RSI: ffff9[ 52.775717] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE 303fad1bf70 RDI: ffffffffbc6bca48 # [ 50.575784] RBP: fffffff[ 52.789007] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS fbc6bc172 R08: 0000000000000000 R09: 0000000000000000 # [ 50.583752] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 50.591721] R13: ffffb4c3419d7f10 R14: ffffb4c3419d7f10 R15: ffff9303828de000 # [ 50.599690] FS: 00007ff70915b580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 # [ 50.608725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.615141] CR2: ffffb4c3419d3fff CR3: 0000000104e00005 CR4: 00000000003706e0 # [ 50.623108] Call Trace: # [ 50.625834] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 50.630890] direct_entry.cold+0x2c/0x38 # [ 50.635269] full_proxy_write+0x53/0x80 # [ 50.639549] vfs_write+0xe7/0x3a0 # [ 50.643247] ksys_write+0x68/0xf0 # [ 50.646945] do_syscall_64+0x30/0x40 # [ 50.650932] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.656569] RIP: 0033:0x7ff7090718f3 # [ 50.660556] 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 # [ 50.681538] RSP: 002b:00007ffc6afeed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.689991] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff7090718f3 # [ 50.697959] RDX: 0000000000000019 RSI: 00007ff708f64000 RDI: 0000000000000001 # [ 50.705927] RBP: 00007ff708f64000 R08: 00007ff708f63010 R09: 0000000000000000 # [ 50.713895] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 50.721863] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.729836] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.756296] ---[ end trace c2affdc28f4efb92 ]--- # [ 50.767661] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.772038] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 50.793007] RSP: 0018:ffffb4c3414cfe60 EF[ 53.019220] lkdtm: Performing direct entry READ_AFTER_FREE LAGS: 00010282 # [ 50.798838] RAX: ffffffffbb4e0010 RBX: 0000[ 53.026503] lkdtm: Value in memory before free: 12345678 000000000001 RCX: 0000000000000000 # [ 50.806806] RDX: 000000[ 53.038653] lkdtm: Attempting bad read from freed memory 0000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 50[ 53.050830] lkdtm: Memory was not poisoned .814772] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 50.822741] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.830709] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 50.838677] FS: 00007ff70915b580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 # [ 50.847714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.854128] CR2: ffffb4c3419d3fff CR3: 0000000104e00005 CR4: 00000000003706e0 # [ 50.862095] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 50.872004] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1063, name: cat # [ 50.880468] INFO: lockdep is turned off. # [ 50.884844] irq event stamp: 0 # [ 50.888248] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 50.895246] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.904379] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 50.913522] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.920523] CPU: 2 PID: 1063 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 50.929171] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.935974] Call Trace: # [ 50.938701] dump_stack+0x77/0x9b # [ 50.942399] ___might_sleep.cold+0xa6/0xb6 # [ 50.946969] exit_signals+0x1c/0x2e0 # [ 50.950957] do_exit+0xd5/0xb00 # [ 50.954473] ? ksys_write+0x68/0xf0 # [ 50.958365] rewin[ 53.208012] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.217465] lkdtm: Value in memory before free: 12345678 [ 53.223406] lkdtm: Attempting to read from freed memory [ 53.229251] lkdtm: Buddy page was not poisoned d_stack_do_exit+0x17/0x20 # [ 50.963031] RIP: 0033:0x7ff7090718f3 # [ 50.967017] 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 # [ 50.987998] RSP: 002b:00007ffc6afeed08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.996470] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff7090718f3 # [ 51.004438] RDX: 0000000000000019 RSI: 00007ff708f64000 RDI: 0000000000000001 # [ 51.012407] RBP: 00007ff708f64000 R08: 00007ff708f63010 R09: 0000000000000000 # [ 51.020376] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.028345] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING[ 53.320627] lkdtm: Performing direct entry SLAB_FREE_DOUBLE .sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segment[ 53.327497] lkdtm: Attempting double slab free ... ation fault # [ 51.165202] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 51.174158] lkdtm: attempting bad read from page above current stack # [ 51.181268] BUG: stack guard page was hit at 00000000ef4a5ad0 (stack is 00000000423548d5..00000000b4448221) # [ 51.192155] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 51.198958] CPU: 3 PID: 1096 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.207597] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.214404] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 51.221014] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 80 ca 6b bc 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 f8 9f fd ff 48 c7 c7 c0 ca 6b bc <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 db 9f fd ff # [ 51.241993] RSP: 0018:ffffb4c341a5fe50 EFLAGS: 00010246 # [ 51.247826] RAX: 0000000000000038 RBX: ffffb4c341a5c000 RCX: 0000000000000000 # [ 51.255794] RDX: 0000000000000000 RSI: ffff9303fad9bf70 RDI: ffffffffbc6bcac0 # [ 51.263762] RBP: ffffffffbc6bc18b R08: 0000000000000000 R09: 0000000000000000 # [ 51.271730] R10: 00000000ffffe000[ 53.448504] lkdtm: Performing direct entry SLAB_FREE_CROSS R11: 3fffffffffffffff R12: 000000000000001a # [ 51.279696] R[ 53.457070] lkdtm: Attempting cross-cache slab free ... 13: ffffb4c341a5ff10 R14: ffffb4c341a5ff10 R15: ffff9303859a3000 # [ 51.287663] FS: 00007fb50bff2580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 51.296698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.303113] CR2: ffffb4c341a60000 CR3: 0000000104ca8005 CR4: 00000000003706e0 # [ 51.311081] Call Trace: # [ 51.313806] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 51.319632] direct_entry.cold+0x2c/0x38 # [ 51.324008] full_proxy_write+0x53/0x80 # [ 51.328281] vfs_write+0xe7/0x3a0 # [ 51.331979] ksys_write+0x68/0xf0 # [ 51.335667] do_syscall_64+0x30/0x40 # [ 51.339656] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.345295] RIP: 0033:0x7fb50bf088f3 # [ 51.349273] 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 0[ 53.545161] lkdtm: Performing direct entry SLAB_FREE_PAGE 0 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 [ 53.555976] lkdtm: Attempting non-Slab slab free ... 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.370250] RSP: 002b:00007ffd49b76468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.378703] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb50bf088f3 # [ 51.386669] RDX: 000000000000001a RSI: 00007fb50bdfb000 RDI: 0000000000000001 # [ 51.394634] RBP: 00007fb50bdfb000 R08: 00007fb50bdfa010 R09: 0000000000000000 # [ 51.402602] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.410569] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.418540] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.444997] ---[ end trace c2affdc28f4efb93 ]--- # [ 51.456360] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.460735] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 51.481713] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 51.487545] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.495528] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 51.503496] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 51.511470] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.519439] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 51.527408] FS: 00007fb50bff2580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 51.536445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.542886] CR2: ffffb4c341a60000 CR3: 0000000104ca8005 CR4: 00000000003706e0 # [ 51.557065] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.566976] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1096, name: cat # [ 51.575431] INFO: lockdep is turned off. # [ 51.579805] irq event stamp: 0 # [ 51.583210] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 51.59[ 53.782610] lkdtm: Performing direct entry EXEC_DATA 0210] hardirqs last disabled at (0): [] copy_p[ 53.790834] lkdtm: attempting ok execution at ffffffffbb4e03e0 rocess+0x640/0x1c80 # [ 51.599337] softirqs last enabled at [ 53.803579] lkdtm: attempting bad execution at ffffffffbde1a660 (0): [] copy_process+0x640/0x1c80 # [ 51.60[ 53.816403] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 53.830935] BUG: unable to handle page fault for address: ffffffffbde1a660 [ 53.838610] #PF: supervisor instruction fetch in kernel mode [ 53.844926] #PF: error_code(0x0011) - permissions violation [ 53.851146] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 800000006ac000e3 [ 53.858638] Oops: 0011 [#5] SMP PTI [ 53.862530] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 53.871178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.877984] RIP: 0010:data_area+0x0/0x40 [ 53.882366] Code: ff ff 00 63 b6 80 03 93 ff ff 00 62 b6 80 03 93 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 [ 53.903343] RSP: 0018:ffffb4c342317e48 EFLAGS: 00010246 [ 53.909173] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.917140] RDX: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 53.925108] RBP: ffffffffbde1a660 R08: 0000000000000000 R09: 0000000000000000 [ 53.933075] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.941034] R13: ffffb4c342317f10 R14: ffffb4c342317f10 R15: ffff930384f71000 [ 53.949001] FS: 00007f07efb50580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 53.958027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.964440] CR2: ffffffffbde1a660 CR3: 0000000104d98004 CR4: 00000000003706f0 [ 53.972407] Call Trace: [ 53.975135] ? execute_location+0x45/0x56 [ 53.979614] ? direct_entry.cold+0x2c/0x38 [ 53.984189] ? full_proxy_write+0x53/0x80 [ 53.988668] ? vfs_write+0xe7/0x3a0 [ 53.992565] ? ksys_write+0x68/0xf0 [ 53.996455] ? do_syscall_64+0x30/0x40 [ 54.000638] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.006473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 54.032909] CR2: ffffffffbde1a660 [ 54.036606] ---[ end trace c2affdc28f4efb95 ]--- [ 54.041761] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.046136] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 54.067101] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 54.072930] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.080898] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 54.088863] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 54.096828] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.104795] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 54.112761] FS: 00007f07efb50580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 54.121796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.128209] CR2: ffffffffbde1a660 CR3: 0000000104d98004 CR4: 00000000003706f0 [ 54.136176] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.146077] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1639, name: cat [ 54.154521] INFO: lockdep is turned off. [ 54.158895] irq event stamp: 0 [ 54.162300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.169297] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.178422] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.187544] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.194540] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 54.203188] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.209990] Call Trace: [ 54.212718] dump_stack+0x77/0x9b [ 54.216420] ___might_sleep.cold+0xa6/0xb6 [ 54.220982] exit_signals+0x1c/0x2e0 [ 54.224960] do_exit+0xd5/0xb00 [ 54.228463] ? ksys_write+0x68/0xf0 [ 54.232356] rewind_stack_do_exit+0x17/0x20 [ 54.237028] RIP: 0033:0x7f07efa668f3 [ 54.241015] 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 [ 54.261995] RSP: 002b:00007fff23b9e058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.270449] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f07efa668f3 [ 54.278417] RDX: 000000000000000a RSI: 00007f07ef959000 RDI: 0000000000000001 [ 54.286385] RBP: 00007f07ef959000 R08: 00007f07ef958010 R09: 0000000000000000 [ 54.294354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.302322] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8472] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 51.615471] CPU: 3 PID: 1096 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.624119] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.630923] Call Trace: # [ 51.633649] dump_stack+0x77/0x9b # [ 51.637347] ___might_sleep.cold+0xa6/0xb6 # [ 51.641918] exit_signals+0x1c/0x2e0 # [ 51.645898] do_exit+0xd5/0xb00 # [ 51.649402] ? ksys_write+0x68/0xf0 # [ 51.653294] rewind_stack_do_exit+0x17/0x20 # [ 51.657960] RIP: 0033:0x7fb50bf088f3 # [ 51.661949] 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 # [ 51.682925] RSP: 002b:00007ffd49b76468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.691381] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007fb50bf088f3 # [ 51.699350] RDX: 000000000000001a RSI: 00007fb50bdfb000 RDI: 0000000000000001 # [ 51.707320] RBP: 00007fb50bdfb000 R08: 00007fb50bdfa010 R09: 0000000000000000 # [ 51.715288] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 51.723256] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000[ 54.434527] lkdtm: Performing direct entry EXEC_STACK [ 54.440271] lkdtm: attempting ok execution at ffffffffbb4e03e0 [ 54.446789] lkdtm: attempting bad execution at ffffb4c34239fe18 [ 54.453403] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.461785] BUG: unable to handle page fault for address: ffffb4c34239fe18 [ 54.469466] #PF: supervisor instruction fetch in kernel mode [ 54.475785] #PF: error_code(0x0011) - permissions violation 02[0000 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 1 54.481998] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10316b067 PTE 8000000103c7e063 [ 54.497256] Oops: 0011 [#6] SMP PTI [ 54.501150] CPU: 3 PID: 1675 Comm: cat Tainted: G D W 5.10.158-cip22 #1 3 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: l[ 54.509803] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.522825] RIP: 0010:0xffffb4c34239fe18 [ 54.527192] Code: 00 00 18 fe 39 42 c3 b4 ff ff f1 f5 b6 bb ff ff ff ff 20 00 00 00 00 00 00 00 ce c2 6b bc ff ff ff ff 20 f7 b6 bb 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 [ 54.548176] RSP: 0018:ffffb4c34239fdf8 EFLAGS: 00010246 [ 54.554008] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.561976] RDX: 0000000000000000 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 54.569946] RBP: ffffb4c34239fe18 R08: 0000000000000000 R09: 0000000000000000 [ 54.577915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 54.585885] R13: ffffb4c34239ff10 R14: ffffb4c34239ff10 R15: ffff930384eeb000 [ 54.593856] FS: 00007f71d1643580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 54.602893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.609309] CR2: ffffb4c34239fe18 CR3: 0000000104044003 CR4: 00000000003706e0 [ 54.617277] Call Trace: [ 54.620007] ? execute_location+0x45/0x56 [ 54.624482] ? lkdtm_EXEC_STACK+0x26/0x44 [ 54.628950] ? direct_entry.cold+0x2c/0x38 [ 54.633535] ? full_proxy_write+0x53/0x80 [ 54.638010] ? vfs_write+0xe7/0x3a0 [ 54.641893] ? ksys_write+0x68/0xf0 [ 54.645776] ? do_syscall_64+0x30/0x40 [ 54.649958] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.655796] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify kdtm: UNSET_SMEP.sh # [ 51.842172] lkdtm: Performing direct e[ 54.682259] CR2: ffffb4c34239fe18 [ 54.692170] ---[ end trace c2affdc28f4efb96 ]--- [ 54.697316] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.701691] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 54.722678] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 54.728523] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.736494] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 54.744469] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 54.752439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.760410] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 54.768380] FS: 00007f71d1643580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 54.777416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.783832] CR2: ffffb4c34239fe18 CR3: 0000000104044003 CR4: 00000000003706e0 ntry UNSET_SMEP # [ 51.848814] lkdtm: trying to clear SMEP normally # [ 51.860172] ------------[ cut here ]------------ # [ 51.871566] pinned CR4 bits changed: 0x100000!? # [ 51.882887] WARNING: CPU: 0 PID: 1132 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 51.899316] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.931952] CPU: 0 PID: 1132 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 51.946815] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.959842] RIP: 0010:native_write_cr4+0x45/0x60 # [ 51.971235] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 72 a0 e3 01 00 75 f2 48 c7 c7 70 b3 5f bc c6 05 62 a0 e3 01 01 e8 65 ec e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 51.998446] RSP: 0018:ffffb4c341ae7e48 EFLAGS: 00010286 # [ 52.010505] RAX: 000000[ 54.891470] lkdtm: Performing direct entry EXEC_KMALLOC 0000000000 RBX: 00000000002706f0 RCX: 0000000000000000 # [ 52[ 54.903338] lkdtm: attempting ok execution at ffffffffbb4e03e0 .024744] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff93[ 54.916067] lkdtm: attempting bad execution at ffff9303840eb3c0 03fac1bf70 # [ 52.038883] RBP: ffffffffbc6bc1a5 R08: 00000000[ 54.928900] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.943469] BUG: unable to handle page fault for address: ffff9303840eb3c0 [ 54.951147] #PF: supervisor instruction fetch in kernel mode [ 54.957467] #PF: error_code(0x0011) - permissions violation [ 54.963680] PGD 6ae01067 P4D 6ae01067 PUD 10084e063 PMD 104052063 PTE 80000001040eb063 00000000 R09: 0000000000000000 # [ 52.053103] R10: 00000000ff[ 54.972530] Oops: 0011 [#7] SMP PTI [ 54.982636] CPU: 1 PID: 1711 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 54.991285] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.998093] RIP: 0010:0xffff9303840eb3c0 [ 55.002471] Code: 00 00 02 00 00 00 00 00 00 00 c0 b2 0e 84 03 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2b 24 d0 ba 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 [ 55.023473] RSP: 0018:ffffb4c342407e38 EFLAGS: 00010246 [ 55.029307] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.037276] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 [ 55.045246] RBP: ffff9303840eb3c0 R08: 0000000000000000 R09: 0000000000000000 [ 55.053216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.061185] R13: ffffb4c342407f10 R14: ffffb4c342407f10 R15: ffff930384d8c000 [ 55.069155] FS: 00007f3c6f46f580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 55.078194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.084610] CR2: ffff9303840eb3c0 CR3: 0000000104f08001 CR4: 00000000003706e0 [ 55.092580] Call Trace: [ 55.095310] ? execute_location+0x45/0x56 ffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.067[ 55.099787] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.110667] ? direct_entry.cold+0x2c/0x38 [ 55.115240] ? full_proxy_write+0x53/0x80 [ 55.119707] ? vfs_write+0xe7/0x3a0 [ 55.123600] ? ksys_write+0x68/0xf0 [ 55.127491] ? do_syscall_64+0x30/0x40 [ 55.131676] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 270] R13: ffffb4c341ae7f10 R14: ffffb4c341ae7f10 R15: ffff930383[ 55.137518] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.170167] CR2: ffff9303840eb3c0 [ 55.173864] ---[ end trace c2affdc28f4efb97 ]--- [ 55.179018] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.183395] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 55.204381] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 55.210215] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.218186] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 55.226157] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.234128] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.242098] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 55.250070] FS: 00007f3c6f46f580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 55.259100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.265527] CR2: ffff9303840eb3c0 CR3: 0000000104f08001 CR4: 00000000003706e0 [ 55.273498] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.283411] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1711, name: cat [ 55.291867] INFO: lockdep is turned off. [ 55.296243] irq event stamp: 0 [ 55.299649] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.306650] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.315778] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.324915] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.331914] CPU: 1 PID: 1711 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 55.340566] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.347370] Call Trace: [ 55.350099] dump_stack+0x77/0x9b 234000 # [ 52.081515] FS: 00007f35a0ce0580(0000) GS:ffff9303[ 55.353800] ___might_sleep.cold+0xa6/0xb6 [ 55.364587] exit_signals+0x1c/0x2e0 [ 55.368575] do_exit+0xd5/0xb00 [ 55.372081] ? ksys_write+0x68/0xf0 [ 55.375973] rewind_stack_do_exit+0x17/0x20 [ 55.380643] RIP: 0033:0x7f3c6f3858f3 [ 55.384631] 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 [ 55.405618] RSP: 002b:00007ffe87a60398 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.414067] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f3c6f3858f3 [ 55.422037] RDX: 000000000000000d RSI: 00007f3c6f278000 RDI: 0000000000000001 [ 55.430007] RBP: 00007f3c6f278000 R08: 00007f3c6f277010 R09: 0000000000000000 [ 55.437978] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.445947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fac00000(0000) knlGS:0000000000000000 # [ 52.096717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.109352] CR2: 00007f35a0ae9000 CR3: 00000001034bc001 CR4: 00000000003706f0 # [ 52.123560] Call Trace: # [ 52.132554] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 52.143623] direct_entry.cold+0x2c/0x38 # [ 52.154207] full_proxy_write+0x53/0x80 # [ 52.164731] vfs_write+0xe7/0x3a0 # [ 52.174647] ksys_write+0x68/0xf0 # [ 52.184590] do_syscall_64+0x30/0x40 # [ 52.194776] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.206685] RIP: 0033:0x7f35a0bf68f3 # [ 52.216903] 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 # [ 52.244162] RSP: 002b:00007ffd2f5b0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.258782] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f35a0bf68f3 # [ 52.272979] RDX: 000000000000000b RSI: 00007f35a0ae9000 RDI: 0000000000000001 # [ 52.287157] RBP: 00007f35a0ae9000 R08: 00007f35a0ae8010 R09: 0000000000000000 # [ 52.301316] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.315553] R13: 0000000000000001 R14: 0[ 55.578130] lkdtm: Performing direct entry EXEC_VMALLOC 000000000020000 R15: 0000000000020000 # [ 52.329726] irq even[ 55.584122] lkdtm: attempting ok execution at ffffffffbb4e03e0 t stamp: 0 # [ 52.339350] hardirqs last enabled at (0): [<00[ 55.596842] lkdtm: attempting bad execution at ffffb4c340349000 00000000000000>] 0x0 # [ 52.352576] hardirqs last disabled at[ 55.609670] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.624241] BUG: unable to handle page fault for address: ffffb4c340349000 [ 55.631912] #PF: supervisor instruction fetch in kernel mode [ 55.638233] #PF: error_code(0x0011) - permissions violation (0): [] copy_process+0x640/0x1c80 # [ 52.3[ 55.644456] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1009a7067 PTE 8000000102864063 [ 55.659718] Oops: 0011 [#8] SMP PTI [ 55.663609] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 55.672260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.679065] RIP: 0010:0xffffb4c340349000 [ 55.683461] Code: Unable to access opcode bytes at RIP 0xffffb4c340348fd6. 67933] softirqs last enabled at (0): [] copy_[ 55.691141] RSP: 0018:ffffb4c3424afe38 EFLAGS: 00010246 [ 55.703191] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.711161] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 [ 55.719133] RBP: ffffb4c340349000 R08: 0000000000000000 R09: 0000000000000000 [ 55.727102] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.735071] R13: ffffb4c3424aff10 R14: ffffb4c3424aff10 R15: ffff930382864000 [ 55.743043] FS: 00007f5085343580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 55.752083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.758501] CR2: ffffb4c340348fd6 CR3: 0000000103184003 CR4: 00000000003706e0 [ 55.766471] Call Trace: [ 55.769201] ? execute_location+0x45/0x56 process+0x640/0x1c80 # [ 52.383290] softirqs last disabled at[ 55.773680] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 55.784561] ? direct_entry.cold+0x2c/0x38 [ 55.789127] ? full_proxy_write+0x53/0x80 [ 55.793604] ? vfs_write+0xe7/0x3a0 [ 55.797498] ? ksys_write+0x68/0xf0 [ 55.801411] ? do_syscall_64+0x30/0x40 [ 55.805595] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 (0): [<0000000000000000>] 0x0 # [ 52.396509] ---[ end trace [ 55.811432] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.844078] CR2: ffffb4c340349000 [ 55.847775] ---[ end trace c2affdc28f4efb98 ]--- [ 55.852921] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.857298] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 55.878286] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 55.884118] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.892090] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 55.900061] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 55.908024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.915993] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 55.923963] FS: 00007f5085343580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 55.933002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.939420] CR2: ffffb4c340348fd6 CR3: 0000000103184003 CR4: 00000000003706e0 c2affdc28f4efb94 ]--- # [ 52.407893] lkdtm: ok: SMEP did not get cleared # [ 52.419158] lkdtm: trying to clear SMEP with call gadget # [ 52.431310] 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 # [ 52.549344] lkdtm: Performing direct entry DOUBLE_FAULT # [ 52.560365] 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 # [ 52.656035] lkdtm: Performing direct entry CORRUPT_PAC # [ 52.664537] 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 # [ 52.775717] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 52.789007] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19[ 56.071659] lkdtm: Performing direct entry EXEC_RODATA [ 56.083672] lkdtm: attempting ok execution at ffffffffbb4e03e0 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdt[ 56.090200] lkdtm: attempting bad execution at ffffffffbc2d1260 [ 56.103044] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) m: READ_AFTER_FREE.sh # [ 53.019220] lkdtm: Performing direct[ 56.111412] BUG: unable to handle page fault for address: ffffffffbc2d1260 [ 56.125304] #PF: supervisor instruction fetch in kernel mode [ 56.131615] #PF: error_code(0x0011) - permissions violation [ 56.137836] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 80000000690000e1 [ 56.145324] Oops: 0011 [#9] SMP PTI [ 56.149217] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.157867] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.164675] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.170412] Code: ff ff 90 0b b7 bb ff ff ff ff 1a c5 6b bc ff ff ff ff d6 f2 b6 bb 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 [ 56.191391] RSP: 0018:ffffb4c342547e48 EFLAGS: 00010246 [ 56.197217] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.205187] RDX: 0000000000000000 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 56.213156] RBP: ffffffffbc2d1260 R08: 0000000000000000 R09: 0000000000000000 [ 56.221125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.229096] R13: ffffb4c342547f10 R14: ffffb4c342547f10 R15: ffff93038586f000 [ 56.237065] FS: 00007fa893842580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 56.246105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.252525] CR2: ffffffffbc2d1260 CR3: 0000000103f58002 CR4: 00000000003706e0 [ 56.260496] Call Trace: [ 56.263223] ? execute_location+0x45/0x56 [ 56.267697] ? direct_entry.cold+0x2c/0x38 [ 56.272272] ? full_proxy_write+0x53/0x80 [ 56.276749] ? vfs_write+0xe7/0x3a0 [ 56.280641] ? ksys_write+0x68/0xf0 [ 56.284535] ? do_syscall_64+0x30/0x40 [ 56.288717] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.294555] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify entry READ_AFTER_FREE # [ 53.026503] lkdtm: Value in memory [ 56.321016] CR2: ffffffffbc2d1260 [ 56.330928] ---[ end trace c2affdc28f4efb99 ]--- [ 56.336075] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.340470] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 56.361470] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 56.367303] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.375273] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 56.383244] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 56.391215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.399183] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 56.407153] FS: 00007fa893842580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 56.416190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.422608] CR2: ffffffffbc2d1260 CR3: 0000000103f58002 CR4: 00000000003706e0 [ 56.430578] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.440492] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1783, name: cat [ 56.448949] INFO: lockdep is turned off. [ 56.453325] irq event stamp: 0 [ 56.456732] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.463724] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.472852] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.481988] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.488988] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.497638] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.504442] Call Trace: [ 56.507192] dump_stack+0x77/0x9b [ 56.510889] ___might_sleep.cold+0xa6/0xb6 [ 56.515471] exit_signals+0x1c/0x2e0 [ 56.519472] do_exit+0xd5/0xb00 [ 56.522974] ? ksys_write+0x68/0xf0 [ 56.526868] rewind_stack_do_exit+0x17/0x20 [ 56.531537] RIP: 0033:0x7fa8937588f3 [ 56.535527] 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 [ 56.556531] RSP: 002b:00007ffe4937d8d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.564990] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007fa8937588f3 [ 56.572960] RDX: 000000000000000c RSI: 00007fa89364b000 RDI: 0000000000000001 [ 56.580930] RBP: 00007fa89364b000 R08: 00007fa89364a010 R09: 0000000000000000 [ 56.588901] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.596872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 before free: 12345678 # [ 53.038653] lkdtm: Attempting bad read from freed memory # [ 53.050830] 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 # [ 53.208012] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.217465] lkdtm: Value in memory before free: 12345678 # [ 53.223406] lkdtm: Attempting to read from freed memory # [ 53.229251] 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 # [ 53.320627] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 53.327497] lkdtm: Attempting double slab free ... # SLAB_FREE_DOUBLE: missing 'call trace:': [FAIL] not ok 23 selftests: lkdtm: SLAB_FREE_DOUBLE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_CROSS.sh # [ 53.448504] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 53.457070] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROS[ 56.724751] lkdtm: Performing direct entry EXEC_USERSPACE S: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SL[ 56.735238] lkdtm: attempting ok execution at ffffffffbb4e03e0 AB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh[ 56.747997] lkdtm: attempting bad execution at 00007ff02bcb3000 # [ 53.545161] lkdtm: Performing direct entry SLAB_FREE_PAGE[ 56.760828] unable to execute userspace code (SMEP?) (uid: 0) [ 56.773462] BUG: unable to handle page fault for address: 00007ff02bcb3000 [ 56.781148] #PF: supervisor instruction fetch in kernel mode [ 56.787474] #PF: error_code(0x0011) - permissions violation [ 56.793695] PGD 80000001040d8067 P4D 80000001040d8067 PUD 10277b067 PMD 10320e067 PTE 1152fc067 [ 56.803423] Oops: 0011 [#10] SMP PTI [ 56.807412] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 56.816062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.822868] RIP: 0010:0x7ff02bcb3000 [ 56.826857] Code: Unable to access opcode bytes at RIP 0x7ff02bcb2fd6. [ 56.834147] RSP: 0018:ffffb4c3425afe50 EFLAGS: 00010246 [ 56.839982] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 56.847952] RDX: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 56.855921] RBP: 00007ff02bcb3000 R08: 0000000000000000 R09: 0000000000000000 [ 56.863891] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 56.871862] R13: ffffb4c3425aff10 R14: ffffb4c3425aff10 R15: ffff930383448000 [ 56.879831] FS: 00007ff02bc84580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 56.888871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.895288] CR2: 00007ff02bcb3000 CR3: 00000001058f0001 CR4: 00000000003706f0 [ 56.903257] Call Trace: [ 56.905986] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 56.911339] ? direct_entry.cold+0x2c/0x38 [ 56.915911] ? full_proxy_write+0x53/0x80 [ 56.920378] ? vfs_write+0xe7/0x3a0 [ 56.924260] ? ksys_write+0x68/0xf0 [ 56.928152] ? do_syscall_64+0x30/0x40 [ 56.932326] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.938163] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 56.964607] CR2: 00007ff02bcb3000 [ 56.968304] ---[ end trace c2affdc28f4efb9a ]--- [ 56.973472] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.977848] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 56.998833] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 57.004668] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.012637] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 57.020606] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 57.028577] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.036549] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 57.044520] FS: 00007ff02bc84580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 57.053557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.059974] CR2: 00007ff02bcb3000 CR3: 00000001058f0001 CR4: 00000000003706f0 # [ 53.555976] 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 # [ 53.782610] lkdtm: Performing direct entry EXEC_DATA # [ 53.790834] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 53.803579] lkdtm: attempting bad execution at ffffffffbde1a660 # [ 53.816403] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 53.830935] BUG: unable to handle page fault for address: ffffffffbde1a660 # [ 53.838610] #PF: supervisor instruction fetch in kernel mode # [ 53.844926] #PF: error_code(0x0011) - permissions violation # [ 53.851146] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 800000006ac000e3 # [ 53.858638] Oops: 0011 [#5] SMP PTI # [ 53.862530] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 53.871178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.877984] RIP: 0010:data_area+0x0/0x40 # [ 53.882366] Code: ff ff 00 63 b6 80 03 93 ff ff 00 62 b6 80 03 93 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 # [ 53.903343] RSP: 0018:ffffb4c342317e48 EFLAGS: 00010246 # [ 53.909173] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.917140] RDX: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 # [ 53.925108] RBP: ffffffffbde1a660 R08: 0000000000000000 R09: 0000000000000000 # [ 53.933075] R10: 00000000ffffe000 R11: 3fffffffff[ 57.272733] lkdtm: Performing direct entry EXEC_NULL ffffff R12: 000000000000000a # [ 53.941034] R13: ffffb4c34231[ 57.278630] lkdtm: attempting ok execution at ffffffffbb4e03e0 7f10 R14: ffffb4c342317f10 R15: ffff930384f71000 # [ 53.94900[ 57.291386] lkdtm: attempting bad execution at 0000000000000000 1] FS: 00007f07efb50580(0000) GS:ffff9303fac00000(0000) knlGS:0[ 57.304213] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 57.318189] #PF: supervisor instruction fetch in kernel mode [ 57.324513] #PF: error_code(0x0010) - not-present page [ 57.330249] PGD 0 P4D 0 [ 57.333072] Oops: 0010 [#11] SMP PTI [ 57.337059] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 57.345708] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.352518] RIP: 0010:0x0 [ 57.355438] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.363117] RSP: 0018:ffffb4c34264fe48 EFLAGS: 00010246 [ 57.368940] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.376910] RDX: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 57.384878] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.392847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.400815] R13: ffffb4c34264ff10 R14: ffffb4c34264ff10 R15: ffff930383354000 [ 57.408785] FS: 00007f9413947580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 57.417823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.424238] CR2: ffffffffffffffd6 CR3: 00000001058d0004 CR4: 00000000003706f0 [ 57.432207] Call Trace: [ 57.434935] execute_location+0x45/0x56 [ 57.439221] direct_entry.cold+0x2c/0x38 [ 57.443590] full_proxy_write+0x53/0x80 [ 57.447877] vfs_write+0xe7/0x3a0 [ 57.451582] ksys_write+0x68/0xf0 [ 57.455280] do_syscall_64+0x30/0x40 [ 57.459261] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.464902] RIP: 0033:0x7f941385d8f3 [ 57.468882] 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 [ 57.489870] RSP: 002b:00007ffee97b5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.498327] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f941385d8f3 [ 57.506297] RDX: 000000000000000a RSI: 00007f9413750000 RDI: 0000000000000001 [ 57.514266] RBP: 00007f9413750000 R08: 00007f941374f010 R09: 0000000000000000 [ 57.522235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.530207] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 57.538172] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.564614] CR2: 0000000000000000 [ 57.568313] ---[ end trace c2affdc28f4efb9b ]--- [ 57.573474] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.577857] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 57.598831] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 57.604666] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.612635] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 57.620604] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 57.628574] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.636543] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 57.644513] FS: 00007f9413947580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 57.653551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.659966] CR2: ffffffffffffffd6 CR3: 00000001058d0004 CR4: 00000000003706f0 [ 57.667937] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 57.677850] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1855, name: cat [ 57.686304] INFO: lockdep is turned off. [ 57.690678] irq event stamp: 0 [ 57.694084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 57.701076] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 57.710212] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 57.719347] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 57.726338] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 57.734978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.741783] Call Trace: [ 57.744511] dump_stack+0x77/0x9b [ 57.748213] ___might_sleep.cold+0xa6/0xb6 [ 57.752786] exit_signals+0x1c/0x2e0 [ 57.756781] do_exit+0xd5/0xb00 [ 57.760276] ? ksys_write+0x68/0xf0 [ 57.764171] rewind_stack_do_exit+0x17/0x20 [ 57.768845] RIP: 0033:0x7f941385d8f3 [ 57.772833] 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 [ 57.793815] RSP: 002b:00007ffee97b5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.802271] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f941385d8f3 [ 57.810241] RDX: 000000000000000a RSI: 00007f9413750000 RDI: 0000000000000001 [ 57.818211] RBP: 00007f9413750000 R08: 00007f941374f010 R09: 0000000000000000 [ 57.826171] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 57.834138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000000000000000 # [ 53.958027] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.964440] CR2: ffffffffbde1a660 CR3: 0000000104d98004 CR4: 00000000003706f0 # [ 53.972407] Call Trace: # [ 53.975135] ? execute_location+0x45/0x56 # [ 53.979614] ? direct_entry.cold+0x2c/0x38 # [ 53.984189] ? full_proxy_write+0x53/0x80 # [ 53.988668] ? vfs_write+0xe7/0x3a0 # [ 53.992565] ? ksys_write+0x68/0xf0 # [ 53.996455] ? do_syscall_64+0x30/0x40 # [ 54.000638] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.006473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.032909] CR2: ffffffffbde1a660 # [ 54.036606] ---[ end trace c2affdc28f4efb95 ]--- # [ 54.041761] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.046136] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 54.067101] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 54.072930] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.080898] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 54.088863] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.096828] R10: 00000000ffffe000 R11: 3ffffffff[ 57.986673] lkdtm: Performing direct entry ACCESS_USERSPACE fffffff R12: 0000000000000004 # [ 54.104795] R13: ffffb4c3414[ 57.997736] lkdtm: attempting bad read at 00007fce9b26c000 cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 54.1127[ 58.010026] BUG: unable to handle page fault for address: 00007fce9b26c000 [ 58.023894] #PF: supervisor read access in kernel mode 61] FS: 00007f07efb50580(0000) GS:ffff9303fac00000(0000) knlGS:[ 58.029632] #PF: error_code(0x0001) - permissions violation 0000000000000000 # [ 54.121796] CS: 0010 DS: 0000 ES: 0000 C[ 58.042070] PGD 8000000104810067 P4D 8000000104810067 PUD 103b8e067 PMD 104ce5067 PTE 1152f1067 [ 58.058010] Oops: 0001 [#12] SMP PTI R0: 0000000080050033 # [ 54.128209] CR2: ffffffffbde1a660 CR3[ 58.062001] CPU: 1 PID: 1890 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 58.076865] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.083673] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 : 0000000104d98004 CR4: 00000000003706f0 # [ 54.136176] BUG: [ 58.089897] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 d2 6b bc e8 6c 99 fd ff 48 c7 c7 60 d2 6b bc b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 88 d2 6b [ 58.117099] RSP: 0018:ffffb4c3426cfe48 EFLAGS: 00010246 [ 58.122925] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.130896] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffffffffbc6bd260 [ 58.138867] RBP: 00007fce9b26c000 R08: 0000000000000000 R09: 0000000000000000 [ 58.146838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.154808] R13: ffffb4c3426cff10 R14: ffffb4c3426cff10 R15: ffff930384e2c000 [ 58.162778] FS: 00007fce9b23d580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 58.171817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.178233] CR2: 00007fce9b26c000 CR3: 0000000103bac005 CR4: 00000000003706e0 [ 58.186202] Call Trace: [ 58.188931] direct_entry.cold+0x2c/0x38 sleeping function called from invalid context at include/linux/p[ 58.193309] full_proxy_write+0x53/0x80 [ 58.203805] vfs_write+0xe7/0x3a0 er[cpu-rwsem.h:49 # [ 54.146077] in_atomic(): 0, irqs_disabled 58.207517] ksys_write+0x68/0xf0 [ 58.217442] do_syscall_64+0x30/0x40 [ 58.221432] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.227073] RIP: 0033:0x7fce9b1538f3 [ 58.231062] 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 [ 58.252049] RSP: 002b:00007ffc4522a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.260522] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fce9b1538f3 [ 58.268494] RDX: 0000000000000011 RSI: 00007fce9b046000 RDI: 0000000000000001 [ 58.276478] RBP: 00007fce9b046000 R08: 00007fce9b045010 R09: 0000000000000000 [ 58.284473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.292444] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 (): 1, non_block: 0, pid: 1639, name: cat # [ 54.154521] INFO[ 58.300462] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.333083] CR2: 00007fce9b26c000 [ 58.336781] ---[ end trace c2affdc28f4efb9c ]--- [ 58.341936] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.346312] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 58.367299] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 58.373132] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.381102] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 58.389072] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.397043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.405013] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 58.412983] FS: 00007fce9b23d580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 58.422020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.428436] CR2: 00007fce9b26c000 CR3: 0000000103bac005 CR4: 00000000003706e0 : lockdep is turned off. # [ 54.158895] irq event stamp: 0 # [ 54.162300] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 54.169297] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 54.178422] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.187544] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.194540] CPU: 0 PID: 1639 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 54.203188] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.209990] Call Trace: # [ 54.212718] dump_stack+0x77/0x9b # [ 54.216420] ___might_sleep.cold+0xa6/0xb6 # [ 54.220982] exit_signals+0x1c/0x2e0 # [ 54.224960] do_exit+0xd5/0xb00 # [ 54.228463] ? ksys_write+0x68/0xf0 # [ 54.232356] rewind_stack_do_exit+0x17/0x20 # [ 54.237028] RIP: 0033:0x7f07efa668f3 # [ 54.241015] 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 # [ 54.261995] RSP: 002b:00007fff23b9e058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.270449] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f07efa668f3 # [ 54.278417] RDX: 000000000000000a RSI: 00007f07[ 58.561131] lkdtm: Performing direct entry ACCESS_NULL ef959000 RDI: 0000000000000001 # [ 54.286385] RBP: 00007f07ef[ 58.572739] lkdtm: attempting bad read at 0000000000000000 959000 R08: 00007f07ef958010 R09: 0000000000000000 # [ 54.294[ 58.585077] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 58.599043] #PF: supervisor read access in kernel mode [ 58.604779] #PF: error_code(0x0000) - not-present page [ 58.610508] PGD 0 P4D 0 [ 58.613335] Oops: 0000 [#13] SMP PTI [ 58.617315] CPU: 1 PID: 1925 Comm: cat Tainted: G D W 5.10.158-cip22 #1 354] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000[ 58.625967] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.638989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 000001 # [ 54.302322] R13: 0000000000000001 R14: 000000000002[ 58.644243] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 80 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 d2 6b bc e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 d2 6b bc 48 01 [ 58.671441] RSP: 0018:ffffb4c34274fe58 EFLAGS: 00010246 [ 58.677268] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 58.685239] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 [ 58.693209] RBP: ffffffffbc6bc329 R08: 0000000000000000 R09: 0000000000000000 [ 58.701180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 58.709151] R13: ffffb4c34274ff10 R14: ffffb4c34274ff10 R15: ffff930384f48000 [ 58.717114] FS: 00007f64ee64e580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 58.726144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.732559] CR2: 0000000000000000 CR3: 00000001058ae005 CR4: 00000000003706e0 [ 58.740532] Call Trace: [ 58.743259] direct_entry.cold+0x2c/0x38 0000 R15: 0000000000020000 # EXEC_DATA: saw 'call trace:': ok [ 58.747640] full_proxy_write+0x53/0x80 [ 58.758133] vfs_write+0xe7/0x3a0 ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_S[ 58.761833] ksys_write+0x68/0xf0 [ 58.771745] do_syscall_64+0x30/0x40 [ 58.775737] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.781378] RIP: 0033:0x7f64ee5648f3 [ 58.785366] 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 [ 58.806353] RSP: 002b:00007ffd74f3ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.814810] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ee5648f3 [ 58.822781] RDX: 000000000000000c RSI: 00007f64ee457000 RDI: 0000000000000001 [ 58.830753] RBP: 00007f64ee457000 R08: 00007f64ee456010 R09: 0000000000000000 [ 58.838722] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.846693] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 TACK.sh # Killed # [ 54.434527] lkdtm: Performing direct ent[ 58.854669] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.887311] CR2: 0000000000000000 [ 58.891009] ---[ end trace c2affdc28f4efb9d ]--- [ 58.896157] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.900535] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 58.921520] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 58.927345] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.935315] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 58.943285] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 58.951253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.959223] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 58.967193] FS: 00007f64ee64e580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 58.976233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.982642] CR2: 0000000000000000 CR3: 00000001058ae005 CR4: 00000000003706e0 [ 58.990611] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.000525] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1925, name: cat [ 59.008981] INFO: lockdep is turned off. [ 59.013358] irq event stamp: 0 [ 59.016764] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.023765] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.032900] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.042036] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.049036] CPU: 1 PID: 1925 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 59.057687] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.064493] Call Trace: [ 59.067241] dump_stack+0x77/0x9b ry EXEC_STACK # [ 54.440271] lkdtm: attempting ok execution a[ 59.070940] ___might_sleep.cold+0xa6/0xb6 [ 59.081723] exit_signals+0x1c/0x2e0 [ 59.085704] do_exit+0xd5/0xb00 [ 59.089201] ? ksys_write+0x68/0xf0 [ 59.093093] rewind_stack_do_exit+0x17/0x20 t ffffffffbb4e03e0 # [ 54.446789] lkdtm: attempting bad execu[ 59.097763] RIP: 0033:0x7f64ee5648f3 [ 59.107966] 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 [ 59.128951] RSP: 002b:00007ffd74f3ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.137409] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ee5648f3 [ 59.145380] RDX: 000000000000000c RSI: 00007f64ee457000 RDI: 0000000000000001 [ 59.153350] RBP: 00007f64ee457000 R08: 00007f64ee456010 R09: 0000000000000000 [ 59.161320] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.169291] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 tion at ffffb4c34239fe18 # [ 54.453403] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.461785] BUG: unable to handle page fault for address: ffffb4c34239fe18 # [ 54.469466] #PF: supervisor instruction fetch in kernel mode # [ 54.475785] #PF: error_code(0x0011) - permissions violation # [ 54.481998] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10316b067 PTE 8000000103c7e063 # [ 54.497256] Oops: 0011 [#6] SMP PTI # [ 54.501150] CPU: 3 PID: 1675 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 54.509803] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.522825] RIP: 0010:0xffffb4c34239fe18 # [ 54.527192] Code: 00 00 18 fe 39 42 c3 b4 ff ff f1 f5 b6 bb ff ff ff ff 20 00 00 00 00 00 00 00 ce c2 6b bc ff ff ff ff 20 f7 b6 bb 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 # [ 54.548176] RSP: 0018:ffffb4c34239fdf8 EFLAGS: 00010246 # [ 54.554008] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.561976] RDX: 0000000000000000 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 54.569946] RBP: ffffb4c34239fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 54.[ 59.291384] lkdtm: Performing direct entry WRITE_RO 577915] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000[ 59.300816] lkdtm: attempting bad rodata write at ffffffffbc2d1250 00000000b # [ 54.585885] R13: ffffb4c34239ff10 R14: ffffb4c34[ 59.313954] BUG: unable to handle page fault for address: ffffffffbc2d1250 [ 59.327825] #PF: supervisor write access in kernel mode [ 59.333658] #PF: error_code(0x0003) - permissions violation [ 59.339882] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 80000000690000e1 [ 59.347375] Oops: 0003 [#14] SMP PTI [ 59.351364] CPU: 0 PID: 1960 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 59.360014] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.366821] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 59.371785] Code: 00 48 c7 c7 18 d1 6b bc 48 c7 c6 50 12 2d bc e8 94 9b fd ff 48 8b 05 2f 1c 76 00 ba 34 12 cd ab 48 c7 c7 48 d1 6b bc 48 31 d0 <48> 89 05 19 1c 76 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 9c [ 59.392772] RSP: 0018:ffffb4c3427afe60 EFLAGS: 00010202 [ 59.398598] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.406567] RDX: 00000000abcd1234 RSI: ffff9303fac1bf70 RDI: ffffffffbc6bd148 [ 59.414536] RBP: ffffffffbc6bc335 R08: 0000000000000000 R09: 0000000000000000 [ 59.422505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.430476] R13: ffffb4c3427aff10 R14: ffffb4c3427aff10 R15: ffff930384ebc000 [ 59.438447] FS: 00007fe012ac2580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 59.447486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.453902] CR2: ffffffffbc2d1250 CR3: 0000000105be8006 CR4: 00000000003706f0 [ 59.461872] Call Trace: [ 59.464600] direct_entry.cold+0x2c/0x38 [ 59.468981] full_proxy_write+0x53/0x80 [ 59.473267] vfs_write+0xe7/0x3a0 [ 59.476972] ksys_write+0x68/0xf0 [ 59.480671] do_syscall_64+0x30/0x40 [ 59.484653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.490294] RIP: 0033:0x7fe0129d88f3 [ 59.494284] 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 [ 59.515263] RSP: 002b:00007ffe675dd808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.523721] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe0129d88f3 [ 59.531691] RDX: 0000000000000009 RSI: 00007fe0128cb000 RDI: 0000000000000001 [ 59.539661] RBP: 00007fe0128cb000 R08: 00007fe0128ca010 R09: 0000000000000000 [ 59.547630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.555601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.563575] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.590023] CR2: ffffffffbc2d1250 [ 59.593720] ---[ end trace c2affdc28f4efb9e ]--- [ 59.598875] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.603251] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 59.624235] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 59.630060] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.638030] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 59.645999] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 59.653969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.661937] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 59.669907] FS: 00007fe012ac2580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 [ 59.678938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.685353] CR2: ffffffffbc2d1250 CR3: 0000000105be8006 CR4: 00000000003706f0 239ff10 R15: ffff930384eeb000 # [ 54.593856] FS: 00007f71d1643580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 54.602893] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.609309] CR2: ffffb4c34239fe18 CR3: 0000000104044003 CR4: 00000000003706e0 # [ 54.617277] Call Trace: # [ 54.620007] ? execute_location+0x45/0x56 # [ 54.624482] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 54.628950] ? direct_entry.cold+0x2c/0x38 # [ 54.633535] ? full_proxy_write+0x53/0x80 # [ 54.638010] ? vfs_write+0xe7/0x3a0 # [ 54.641893] ? ksys_write+0x68/0xf0 # [ 54.645776] ? do_syscall_64+0x30/0x40 # [ 54.649958] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.655796] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.682259] CR2: ffffb4c34239fe18 # [ 54.692170] ---[ end trace c2affdc28f4efb96 ]--- # [ 54.697316] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.701691] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 54.722678] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 54.728523] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.736494] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 54.744469] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 54.752439] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.760410] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ff[ 59.862940] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 59.873949] lkdtm: attempting bad ro_after_init write at ffffffffbc739330 [ 59.881543] BUG: unable to handle page fault for address: ffffffffbc739330 [ 59.889228] #PF: supervisor write access in kernel mode [ 59.895063] #PF: error_code(0x0003) - permissions violation ff[930380ff3000 # [ 54.768380] FS: 00007f71d1643580(0000) GS: 59.901285] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 104c8f063 PTE 8000000069539061 [ 59.916252] Oops: 0003 [#15] SMP PTI [ 59.920244] CPU: 3 PID: 1995 Comm: cat Tainted: G D W 5.10.158-cip22 #1 ffff9303fad80000(0000) knlGS:0000000000000000 # [ 54.777416] [ 59.928896] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.941920] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 59.947948] Code: d1 6b bc e9 46 9b fd ff 48 c7 c7 a0 d1 6b bc e8 3a 9b fd ff 48 8b 05 b5 9c bc 00 ba 34 12 cd ab 48 c7 c7 48 d1 6b bc 48 31 d0 <48> 89 05 9f 9c bc 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 59.968934] RSP: 0018:ffffb4c342847e60 EFLAGS: 00010202 [ 59.974768] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 59.982737] RDX: 00000000abcd1234 RSI: ffff9303fad9bf70 RDI: ffffffffbc6bd148 [ 59.990706] RBP: ffffffffbc6bc33e R08: 0000000000000000 R09: 0000000000000000 [ 59.998676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.006646] R13: ffffb4c342847f10 R14: ffffb4c342847f10 R15: ffff9303831f3000 [ 60.014616] FS: 00007fc5667df580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 60.023655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.030071] CR2: ffffffffbc739330 CR3: 0000000103b88002 CR4: 00000000003706e0 [ 60.038041] Call Trace: [ 60.040769] direct_entry.cold+0x2c/0x38 [ 60.045148] full_proxy_write+0x53/0x80 [ 60.049431] vfs_write+0xe7/0x3a0 [ 60.053128] ksys_write+0x68/0xf0 [ 60.056826] do_syscall_64+0x30/0x40 [ 60.060815] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.066474] RIP: 0033:0x7fc5666f58f3 [ 60.070471] 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 [ 60.091470] RSP: 002b:00007ffec4fba8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.099927] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc5666f58f3 [ 60.107898] RDX: 0000000000000014 RSI: 00007fc5665e8000 RDI: 0000000000000001 [ 60.115870] RBP: 00007fc5665e8000 R08: 00007fc5665e7010 R09: 0000000000000000 [ 60.123841] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.131813] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.139788] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.7838[ 60.166252] CR2: ffffffffbc739330 [ 60.176164] ---[ end trace c2affdc28f4efb9f ]--- [ 60.181311] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.185689] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 60.206667] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 60.212514] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.220522] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 60.228491] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.236473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.244443] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 60.252440] FS: 00007fc5667df580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 60.261469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.267885] CR2: ffffffffbc739330 CR3: 0000000103b88002 CR4: 00000000003706e0 [ 60.275855] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.285769] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1995, name: cat [ 60.294225] INFO: lockdep is turned off. [ 60.298600] irq event stamp: 0 [ 60.302005] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.309005] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.318132] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.327268] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.334268] CPU: 3 PID: 1995 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 60.342918] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.349722] Call Trace: [ 60.352469] dump_stack+0x77/0x9b [ 60.356168] ___might_sleep.cold+0xa6/0xb6 [ 60.360732] exit_signals+0x1c/0x2e0 [ 60.364712] do_exit+0xd5/0xb00 [ 60.368216] ? ksys_write+0x68/0xf0 [ 60.372100] rewind_stack_do_exit+0x17/0x20 [ 60.376759] RIP: 0033:0x7fc5666f58f3 [ 60.380747] 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 [ 60.401733] RSP: 002b:00007ffec4fba8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.410190] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc5666f58f3 [ 60.418161] RDX: 0000000000000014 RSI: 00007fc5665e8000 RDI: 0000000000000001 [ 60.426132] RBP: 00007fc5665e8000 R08: 00007fc5665e7010 R09: 0000000000000000 [ 60.434103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.442073] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 32] CR2: ffffb4c34239fe18 CR3: 0000000104044003 CR4: 00000000003706e0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 54.891470] lkdtm: Performing direct entry EXEC_KMALLOC # [ 54.903338] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 54.916067] lkdtm: attempting bad execution at ffff9303840eb3c0 # [ 54.928900] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.943469] BUG: unable to handle page fault for address: ffff9303840eb3c0 # [ 54.951147] #PF: supervisor instruction fetch in kernel mode # [ 54.957467] #PF: error_code(0x0011) - permissions violation # [ 54.963680] PGD 6ae01067 P4D 6ae01067 PUD 10084e063 PMD 104052063 PTE 80000001040eb063 # [ 54.972530] Oops: 0011 [#7] SMP PTI # [ 54.982636] CPU: 1 PID: 1711 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 54.991285] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.998093] RIP: 0010:0xffff9303840eb3c0 # [ 55.002471] Code: 00 00 02 00 00 00 00 00 00 00 c0 b2 0e 84 03 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 2b 24 d0 ba 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 # [ 55.023473] RSP: 0018:ffffb4c342407e38 EFLAGS: 00010246 # [ 55.029307] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.037276] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 55.045246] RBP: ffff9303840eb3c0 R08: 0000000000000000 R09: 0000000000000000 # [ 55.053216] R10: 0000[ 60.600525] lkdtm: Performing direct entry WRITE_KERN [ 60.611110] lkdtm: attempting bad 6877627 byte write at ffffffffbbb6f59b [ 60.618626] BUG: unable to handle page fault for address: ffffffffbbb6f59b 0000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ [ 60.626316] #PF: supervisor write access in kernel mode [ 60.638363] #PF: error_code(0x0003) - permissions violation [ 60.644584] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 688000e1 [ 60.651295] Oops: 0003 [#16] SMP PTI [ 60.655285] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 60.663927] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.670734] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 60.675889] Code: 53 48 c7 c3 9b f5 b6 bb 49 89 dc 48 89 da 49 81 ec e0 03 4e bb 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 4e bb a4 48 c7 c7 48 d1 6b bc e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff [ 60.696877] RSP: 0018:ffffb4c3428b7e50 EFLAGS: 00010246 [ 60.702703] RAX: 000000000000003c RBX: ffffffffbbb6f59b RCX: 000000000068f1bb [ 60.710673] RDX: 0000000000000000 RSI: ffffffffbb4e03e0 RDI: ffffffffbbb6f59b [ 60.718643] RBP: ffffffffbc6bc352 R08: 0000000000000000 R09: 0000000000000000 [ 60.726615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1bb [ 60.734585] R13: ffffb4c3428b7f10 R14: ffffb4c3428b7f10 R15: ffff9303827ce000 [ 60.742558] FS: 00007f05e51c7580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 60.751598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.758015] CR2: ffffffffbbb6f59b CR3: 00000001058c6001 CR4: 00000000003706e0 [ 60.765987] Call Trace: [ 60.768716] direct_entry.cold+0x2c/0x38 [ 60.773094] full_proxy_write+0x53/0x80 [ 60.777367] vfs_write+0xe7/0x3a0 [ 60.781066] ksys_write+0x68/0xf0 [ 60.784766] do_syscall_64+0x30/0x40 [ 60.788755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.794396] RIP: 0033:0x7f05e50dd8f3 [ 60.798378] 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 [ 60.819355] RSP: 002b:00007fff593bbab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.827811] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05e50dd8f3 [ 60.835780] RDX: 000000000000000b RSI: 00007f05e4fd0000 RDI: 0000000000000001 [ 60.843750] RBP: 00007f05e4fd0000 R08: 00007f05e4fcf010 R09: 0000000000000000 [ 60.851719] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 60.859687] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.867661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 55.061185] R13: ffffb4c342407f10 R14: ffffb4c342407f10 R15: ffff[ 60.894121] CR2: ffffffffbbb6f59b [ 60.904033] ---[ end trace c2affdc28f4efba0 ]--- [ 60.909189] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.913566] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 60.934554] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 [ 60.940387] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.948358] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 60.956328] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 [ 60.964298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.972268] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 60.980238] FS: 00007f05e51c7580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 60.989277] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.995693] CR2: ffffffffbbb6f59b CR3: 00000001058c6001 CR4: 00000000003706e0 930384d8c000 # [ 55.069155] FS: 00007f3c6f46f580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 55.078194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.084610] CR2: ffff9303840eb3c0 CR3: 0000000104f08001 CR4: 00000000003706e0 # [ 55.092580] Call Trace: # [ 55.095310] ? execute_location+0x45/0x56 # [ 55.099787] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.110667] ? direct_entry.cold+0x2c/0x38 # [ 55.115240] ? full_proxy_write+0x53/0x80 # [ 55.119707] ? vfs_write+0xe7/0x3a0 # [ 55.123600] ? ksys_write+0x68/0xf0 # [ 55.127491] ? do_syscall_64+0x30/0x40 # [ 55.131676] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.137518] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.170167] CR2: ffff9303840eb3c0 # [ 55.173864] ---[ end trace c2affdc28f4efb97 ]--- # [ 55.179018] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.183395] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff [ 61.113876] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff f[ 61.122291] lkdtm: attempting good refcount_inc() without overflow f ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f [ 61.135438] lkdtm: attempting bad refcount_inc() overflow [ 61.147661] ------------[ cut here ]------------ 1f 44 00 00 83 05 00 a6 93 02 # [ 55.204381] RSP: 0018:ffffb4[ 61.152820] refcount_t: saturated; leaking memory. c3414cfe60 EFLAGS: 00010282 # [ 55.210215] RAX: ffffffffbb4e0[ 61.164414] WARNING: CPU: 1 PID: 2065 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.218186[ 61.180033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0[ 61.212682] CPU: 1 PID: 2065 Comm: cat Tainted: G D W 5.10.158-cip22 #1 dd0 # [ 55.226157] RBP: ffffffffbc7177f0 R08: 000000000000000[ 61.227552] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 1 R09: 0000000000000001 # [ 55.234128] R10: 00000000ffffe000 [ 61.240582] RIP: 0010:refcount_warn_saturate+0x51/0x110 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.242098] R1[ 61.252638] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 3: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 [ 61.279840] RSP: 0018:ffffb4c34275fe48 EFLAGS: 00010286 # [ 55.250070] FS: 00007f3c6f46f580(0000) GS:ffff9303fac8000[ 61.291894] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 0(0000) knlGS:0000000000000000 # [ 55.259100] CS: 0010 DS: 0[ 61.306087] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 000 ES: 0000 CR0: 0000000080050033 # [ 55.265527] CR2: ffff93[ 61.320273] RBP: ffffffffbc6bc35d R08: 0000000000000000 R09: 0000000000000000 03840eb3c0 CR3: 0000000104f08001 CR4: 00000000003706e0 # [ 55[ 61.334462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 .273498] BUG: sleeping function called from invalid context at i[ 61.348653] R13: ffffb4c34275ff10 R14: ffffb4c34275ff10 R15: ffff930384fcb000 nclude/linux/percpu-rwsem.h:49 # [ 55.283411] in_atomic(): 0,[ 61.362843] FS: 00007feec6409580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 irqs_disabled(): 1, non_block: 0, pid: 1711, name: cat # [ 5[ 61.378111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 5.291867] INFO: lockdep is turned off. # [ 55.296243] irq eve[ 61.390742] CR2: 00007feec6212000 CR3: 0000000103c0e005 CR4: 00000000003706e0 nt stamp: 0 # [ 55.299649] hardirqs last enabled at (0): [<0[ 61.404930] Call Trace: 000000000000000>] 0x0 # [ 55.306650] hardirqs last disabled a[ 61.413881] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 t (0): [] copy_process+0x640/0x1c80 # [ 55.[ 61.425449] direct_entry.cold+0x2c/0x38 315778] softirqs last enabled at (0): [] copy[ 61.436048] full_proxy_write+0x53/0x80 _process+0x640/0x1c80 # [ 55.324915] softirqs last disabled a[ 61.436052] vfs_write+0xe7/0x3a0 t (0): [<0000000000000000>] 0x0 # [ 55.331914] CPU: 1 PID: 17[ 61.456464] ksys_write+0x68/0xf0 11 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ [ 61.466383] do_syscall_64+0x30/0x40 55.340566] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 61.476591] entry_SYSCALL_64_after_hwframe+0x61/0xc6 20 # [ 55.347370] Call Trace: # [ 55.350099] dump_stack+0[ 61.488449] RIP: 0033:0x7feec631f8f3 x77/0x9b # [ 55.353800] ___might_sleep.cold+0xa6/0xb6 # [ [ 61.498654] 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 55.364587] exit_signals+0x1c/0x2e0 # [ 55.368575] do_exit+[ 61.525857] RSP: 002b:00007ffe35e90768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0xd5/0xb00 # [ 55.372081] ? ksys_write+0x68/0xf0 # [ 55.3[ 61.540533] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feec631f8f3 75973] rewind_stack_do_exit+0x17/0x20 # [ 55.380643] RIP: 00[ 61.554724] RDX: 0000000000000016 RSI: 00007feec6212000 RDI: 0000000000000001 33:0x7f3c6f3858f3 # [ 55.384631] Code: 8b 15 a1 25 0e 00 f7 d[ 61.568913] RBP: 00007feec6212000 R08: 00007feec6211010 R09: 0000000000000000 8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00[ 61.583106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5[ 61.597298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 5 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.405618] RS[ 61.611495] irq event stamp: 0 P: 002b:00007ffe87a60398 EFLAGS: 00000246 ORIG_RAX: 000000000000[ 61.621115] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0001 # [ 55.414067] RAX: ffffffffffffffda RBX: 00000000000000[ 61.634334] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0d RCX: 00007f3c6f3858f3 # [ 55.422037] RDX: 000000000000000d[ 61.649689] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 RSI: 00007f3c6f278000 RDI: 0000000000000001 # [ 55.430007] R[ 61.665041] softirqs last disabled at (0): [<0000000000000000>] 0x0 BP: 00007f3c6f278000 R08: 00007f3c6f277010 R09: 0000000000000000[ 61.678259] ---[ end trace c2affdc28f4efba1 ]--- # [ 55.437978] R10: fffffffffffffbc5 R11: 0000000000000246 R[ 61.689631] lkdtm: Overflow detected: saturated 12: 0000000000000001 # [ 55.445947] 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 # [ 55.578130] lkdtm: Performing direct entry EXEC_VMALLOC # [ 55.584122] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 55.596842] lkdtm: attempting bad execution at ffffb4c340349000 # [ 55.609670] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.624241] BUG: unable to handle page fault for address: ffffb4c340349000 # [ 55.631912] #PF: supervisor instruction fetch in kernel mode # [ 55.638233] #PF: error_code(0x0011) - permissions violation # [ 55.644456] PGD 100000067 P4D 100000067 PUD 100211067 PMD 1009a7067 PTE 8000000102864063 # [ 55.659718] Oops: 0011 [#8] SMP PTI # [ 55.663609] CPU: 1 PID: 1747 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 55.672260] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.679065] RIP: 0010:0xffffb4c340349000 # [ [ 61.804381] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 55.683461] Code: Unable to access opcode bytes at RIP 0xffffb4c[ 61.813292] lkdtm: attempting good refcount_add() without overflow 340348fd6. # [ 55.691141] RSP: 0018:ffffb4c3424afe38 EFLAGS: [ 61.826449] lkdtm: attempting bad refcount_add() overflow 00010246 # [ 55.703191] RAX: 0000000000000033 RBX: 0000000000[ 61.838662] ------------[ cut here ]------------ 000001 RCX: 0000000000000000 # [ 55.711161] RDX: 000000000000[ 61.850059] refcount_t: saturated; leaking memory. 0000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 55.71913[ 61.861639] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 3] RBP: ffffb4c340349000 R08: 0000000000000000 R09: 000000000000[ 61.877291] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0000 # [ 55.727102] R10: 00000000ffffe000 R11: 3fffffffffffff[ 61.909934] CPU: 0 PID: 2097 Comm: cat Tainted: G D W 5.10.158-cip22 #1 ff R12: 000000000000000d # [ 55.735071] R13: ffffb4c3424aff10[ 61.924784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 R14: ffffb4c3424aff10 R15: ffff930382864000 # [ 55.743043] F[ 61.937804] RIP: 0010:refcount_warn_saturate+0x51/0x110 S: 00007f5085343580(0000) GS:ffff9303fac80000(0000) knlGS:00000[ 61.949897] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 00000000000 # [ 55.752083] CS: 0010 DS: 0000 ES: 0000 CR0: 0[ 61.977093] RSP: 0018:ffffb4c3429afe48 EFLAGS: 00010286 000000080050033 # [ 55.758501] CR2: ffffb4c340348fd6 CR3: 000[ 61.989162] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 0000103184003 CR4: 00000000003706e0 # [ 55.766471] Call Trace[ 62.003343] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 : # [ 55.769201] ? execute_location+0x45/0x56 # [ 55.7736[ 62.017572] RBP: ffffffffbc6bc373 R08: 0000000000000000 R09: 0000000000000000 80] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 55.784561] ? direct_[ 62.031733] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 entry.cold+0x2c/0x38 # [ 55.789127] ? full_proxy_write+0x53/[ 62.045925] R13: ffffb4c3429aff10 R14: ffffb4c3429aff10 R15: ffff930384039000 0x80 # [ 55.793604] ? vfs_write+0xe7/0x3a0 # [ 55.797498][ 62.060123] FS: 00007f125022e580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 ? ksys_write+0x68/0xf0 # [ 55.801411] ? do_syscall_64+0x30[ 62.075367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 /0x40 # [ 55.805595] ? entry_SYSCALL_64_after_hwframe+0x61/0[ 62.088005] CR2: 00007f1250037000 CR3: 00000001027ba006 CR4: 00000000003706f0 xc6 # [ 55.811432] Modules linked in: fuse ip_tables cros_ec_[ 62.102182] Call Trace: sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 62.111151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 _buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar[ 62.122713] direct_entry.cold+0x2c/0x38 cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_[ 62.133322] full_proxy_write+0x53/0x80 dev cros_usbpd_notify # [ 55.844078] CR2: ffffb4c340349000 #[ 62.143806] vfs_write+0xe7/0x3a0 [ 55.847775] ---[ end trace c2affdc28f4efb98 ]--- # [ 55.8[ 62.153751] ksys_write+0x68/0xf0 52921] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.857298] Code: 89 f[ 62.163661] do_syscall_64+0x30/0x40 f e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff[ 62.173869] entry_SYSCALL_64_after_hwframe+0x61/0xc6 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 62.185713] RIP: 0033:0x7f12501448f3 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 #[ 62.195907] 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 [ 55.878286] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [[ 62.223108] RSP: 002b:00007ffd8f230c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 55.884118] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0[ 62.237769] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f12501448f3 000000000000000 # [ 55.892090] RDX: 0000000000000000 RSI: fff[ 62.251980] RDX: 0000000000000016 RSI: 00007f1250037000 RDI: 0000000000000001 f9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 55.900061] RBP: fffff[ 62.266189] RBP: 00007f1250037000 R08: 00007f1250036010 R09: 0000000000000000 fffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 5[ 62.280387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 5.908024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 62.294573] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000004 # [ 55.915993] R13: ffffb4c3414cff10 R14: ffffb4c[ 62.308770] irq event stamp: 0 3414cff10 R15: ffff930380ff3000 # [ 55.923963] FS: 00007f508[ 62.318403] hardirqs last enabled at (0): [<0000000000000000>] 0x0 5343580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 [ 62.331623] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 55.933002] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 62.346959] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 33 # [ 55.939420] CR2: ffffb4c340348fd6 CR3: 0000000103184003[ 62.362310] softirqs last disabled at (0): [<0000000000000000>] 0x0 CR4: 00000000003706e0 # EXEC_VMALLOC: saw 'call trace:': ok o[ 62.375536] ---[ end trace c2affdc28f4efba2 ]--- k 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC[ 62.386903] lkdtm: Overflow detected: saturated _RODATA.sh # Killed # [ 56.071659] lkdtm: Performing direct entry EXEC_RODATA # [ 56.083672] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 56.090200] lkdtm: attempting bad execution at ffffffffbc2d1260 # [ 56.103044] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 56.111412] BUG: unable to handle page fault for address: ffffffffbc2d1260 # [ 56.125304] #PF: supervisor instruction fetch in kernel mode # [ 56.131615] #PF: error_code(0x0011) - permissions violation # [ 56.137836] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 80000000690000e1 # [ 56.145324] Oops: 0011 [#9] SMP PTI # [ 56.149217] CPU: 3 PID: 1783 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 56.157867] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.164675] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 56.170412] Code: ff ff 90 0b b7 bb ff ff ff ff 1a c5 6b bc ff ff ff ff d6 f2 b6 bb 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 #[ 62.502310] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.511416] lkdtm: attempting bad refcount_inc_not_zero() overflow [ 62.518334] ------------[ cut here ]------------ [ 56.191391] RSP: 0018:ffffb4c342547e48 EFLAGS: 00010246 # [[ 62.523501] refcount_t: saturated; leaking memory. 56.197217] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0[ 62.535078] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 62.550713] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000000000 # [ 56.205187] RDX: 0000000000000000 RSI: fff[ 62.577188] CPU: 2 PID: 2129 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 62.592045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.598872] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 62.604734] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 [ 62.625724] RSP: 0018:ffffb4c342a3fe38 EFLAGS: 00010282 [ 62.631561] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 [ 62.639534] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 [ 62.647526] RBP: ffffffffbc6bbfb0 R08: 0000000000000000 R09: 0000000000000000 [ 62.655514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 62.663522] R13: ffffb4c342a3ff10 R14: ffffb4c342a3ff10 R15: ffff930384ec4000 [ 62.671510] FS: 00007f30be62c580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 62.680583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.687003] CR2: 00007f30be435000 CR3: 00000001027be002 CR4: 00000000003706e0 [ 62.694976] Call Trace: [ 62.697708] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 62.703869] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 [ 62.710093] direct_entry.cold+0x2c/0x38 f9303fad9bf70 RDI: ffff9303fad9bf70 # [ 56.213156] RBP: fffff[ 62.714477] full_proxy_write+0x53/0x80 [ 62.724976] vfs_write+0xe7/0x3a0 [ 62.728700] ksys_write+0x68/0xf0 [ 62.732402] do_syscall_64+0x30/0x40 [ 62.736394] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.742036] RIP: 0033:0x7f30be5428f3 [ 62.746028] 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 [ 62.767018] RSP: 002b:00007ffedad52998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.775478] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f30be5428f3 [ 62.783473] RDX: 000000000000001f RSI: 00007f30be435000 RDI: 0000000000000001 fffbc2d1260 R08: 0000000000000000 R09: 0000000000000000 # [ 5[ 62.791449] RBP: 00007f30be435000 R08: 00007f30be434010 R09: 0000000000000000 [ 62.805634] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.813608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.821586] irq event stamp: 0 [ 62.825024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.832027] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.841167] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.850304] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.857307] ---[ end trace c2affdc28f4efba3 ]--- 6.221125] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 62.862465] lkdtm: Overflow detected: saturated 0000000000c # [ 56.229096] R13: ffffb4c342547f10 R14: ffffb4c342547f10 R15: ffff93038586f000 # [ 56.237065] FS: 00007fa893842580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 56.246105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.252525] CR2: ffffffffbc2d1260 CR3: 0000000103f58002 CR4: 00000000003706e0 # [ 56.260496] Call Trace: # [ 56.263223] ? execute_location+0x45/0x56 # [ 56.267697] ? direct_entry.cold+0x2c/0x38 # [ 56.272272] ? full_proxy_write+0x53/0x80 # [ 56.276749] ? vfs_write+0xe7/0x3a0 # [ 56.280641] ? ksys_write+0x68/0xf0 # [ 56.284535] ? do_syscall_64+0x30/0x40 # [ 56.288717] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.294555] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.321016] CR2: ffffffffbc2d1260 # [ 56.330928] ---[ end trace c2affdc28f4efb99 ]--- # [ 56.336075] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.340470] Code: 89 ff e8 5e a6 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> [ 62.994504] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 [ 63.005719] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 56.361470] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 63.018846] ------------[ cut here ]------------ [ 56.367303] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: [ 63.030218] refcount_t: saturated; leaking memory. 0000000000000000 # [ 56.375273] RDX: 0000000000000000 RSI: ff[ 63.041816] WARNING: CPU: 1 PID: 2161 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 56.383244] RBP: ffff[ 63.057458] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ [ 63.090082] CPU: 1 PID: 2161 Comm: cat Tainted: G D W 5.10.158-cip22 #1 56.391215] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 63.104953] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 000000000004 # [ 56.399183] R13: ffffb4c3414cff10 R14: ffffb4[ 63.117982] RIP: 0010:refcount_warn_saturate+0x97/0x110 c3414cff10 R15: ffff930380ff3000 # [ 56.407153] FS: 00007fa8[ 63.130036] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 93842580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 63.157244] RSP: 0018:ffffb4c342ac7e38 EFLAGS: 00010282 # [ 56.416190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050[ 63.169298] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 033 # [ 56.422608] CR2: ffffffffbc2d1260 CR3: 0000000103f5800[ 63.183490] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 2 CR4: 00000000003706e0 # [ 56.430578] BUG: sleeping function[ 63.197681] RBP: ffffffffbc6bbfd0 R08: 0000000000000000 R09: 0000000000000000 called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.211873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 56.440492] in_atomic(): 0, irqs_disabled(): 1, non_block:[ 63.226065] R13: ffffb4c342ac7f10 R14: ffffb4c342ac7f10 R15: ffff9303834cb000 0, pid: 1783, name: cat # [ 56.448949] INFO: lockdep is turn[ 63.240257] FS: 00007f952781b580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 ed off. # [ 56.453325] irq event stamp: 0 # [ 56.456732] h[ 63.255524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56[ 63.268163] CR2: 00007f9527624000 CR3: 0000000103c0e001 CR4: 00000000003706e0 .463724] hardirqs last disabled at (0): [] cop[ 63.282356] Call Trace: y_process+0x640/0x1c80 # [ 56.472852] softirqs last enabled [ 63.291308] __refcount_add_not_zero.constprop.0+0x2a/0x35 at (0): [] copy_process+0x640/0x1c80 # [ 56[ 63.303651] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 .481988] softirqs last disabled at (0): [<0000000000000000>] 0x0[ 63.316092] direct_entry.cold+0x2c/0x38 # [ 56.488988] CPU: 3 PID: 1783 Comm: cat Tainted: G D [ 63.326690] full_proxy_write+0x53/0x80 W 5.10.158-cip22 #1 # [ 56.497638] Hardware name: Goo[ 63.337190] vfs_write+0xe7/0x3a0 gle Rammus/Rammus, BIOS 09/04/2020 # [ 56.504442] Call Trace[ 63.347107] ksys_write+0x68/0xf0 : # [ 56.507192] dump_stack+0x77/0x9b # [ 56.510889] ___[ 63.357024] do_syscall_64+0x30/0x40 might_sleep.cold+0xa6/0xb6 # [ 56.515471] exit_signals+0x1c/[ 63.367231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0x2e0 # [ 56.519472] do_exit+0xd5/0xb00 # [ 56.522974] ?[ 63.379091] RIP: 0033:0x7f95277318f3 ksys_write+0x68/0xf0 # [ 56.526868] rewind_stack_do_exit+0x[ 63.389299] 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 17/0x20 # [ 56.531537] RIP: 0033:0x7fa8937588f3 # [ 56.535[ 63.416501] RSP: 002b:00007ffc7a4485b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 527] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff[ 63.431177] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f95277318f3 eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 [ 63.445368] RDX: 000000000000001f RSI: 00007f9527624000 RDI: 0000000000000001 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48[ 63.459559] RBP: 00007f9527624000 R08: 00007f9527623010 R09: 0000000000000000 89 54 24 18 # [ 56.556531] RSP: 002b:00007ffe4937d8d8 EFLAGS[ 63.473749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 00000246 ORIG_RAX: 0000000000000001 # [ 56.564990] RAX: fff[ 63.487941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fffffffffffda RBX: 000000000000000c RCX: 00007fa8937588f3 # [ [ 63.502139] irq event stamp: 0 56.572960] RDX: 000000000000000c RSI: 00007fa89364b000 RDI: 000[ 63.511760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 0000000000001 # [ 56.580930] RBP: 00007fa89364b000 R08: 00007[ 63.524981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 fa89364a010 R09: 0000000000000000 # [ 56.588901] R10: fffffff[ 63.540335] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 56.[ 63.555691] softirqs last disabled at (0): [<0000000000000000>] 0x0 596872] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000[ 63.568907] ---[ end trace c2affdc28f4efba4 ]--- 000020000 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests[ 63.580281] lkdtm: Overflow detected: saturated : lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 56.724751] lkdtm: Performing direct entry EXEC_USERSPACE # [ 56.735238] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 56.747997] lkdtm: attempting bad execution at 00007ff02bcb3000 # [ 56.760828] unable to execute userspace code (SMEP?) (uid: 0) # [ 56.773462] BUG: unable to handle page fault for address: 00007ff02bcb3000 # [ 56.781148] #PF: supervisor instruction fetch in kernel mode # [ 56.787474] #PF: error_code(0x0011) - permissions violation # [ 56.793695] PGD 80000001040d8067 P4D 80000001040d8067 PUD 10277b067 PMD 10320e067 PTE 1152fc067 # [ 56.803423] Oops: 0011 [#10] SMP PTI # [ 56.807412] CPU: 0 PID: 1819 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 56.816062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.822868] RIP: 0010:0x7ff02bcb3000 # [ 56.826857] Code: Unable to access opcode bytes at RIP 0x7ff02bcb2fd6. # [ 56.834147] RSP: 0018:ffffb4c3425afe50 EFLAGS: 00010246 # [ 56.839982] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 56.847952] RD[ 63.698490] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 63.709755] lkdtm: attempting good refcount_dec() [ 63.715010] lkdtm: attempting bad refcount_dec() to zero [ 63.720946] ------------[ cut here ]------------ [ 63.726103] refcount_t: decrement hit 0; leaking memory. [ 63.732050] WARNING: CPU: 3 PID: 2193 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 X: 0000000000000000 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 63.741489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.774144] CPU: 3 PID: 2193 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 63.782820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.789629] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 56.855921] RBP: 00007ff02bcb3000 R08: 0000000000000000 R0[ 63.795475] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 63.822681] RSP: 0018:ffffb4c342b4fe48 EFLAGS: 00010286 [ 63.828526] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 9: 0000000000000000 # [ 56.863891] R10: 00000000ffffe000 R11:[ 63.836503] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 63.850692] RBP: ffffffffbc6bc389 R08: 0000000000000000 R09: 0000000000000000 [ 63.858697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 63.866673] R13: ffffb4c342b4ff10 R14: ffffb4c342b4ff10 R15: ffff9303828ea000 [ 63.874649] FS: 00007f51a1a50580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 63.883694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.890138] CR2: 00007f51a1859000 CR3: 0000000105ae8001 CR4: 00000000003706e0 3fffffffffffffff R12: 000000000000000f # [ 56.871862] R13: f[ 63.898127] Call Trace: [ 63.907066] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd fffb4c3425aff10 R14: ffffb4c3425aff10 R15: ffff930383448000 # [[ 63.912062] direct_entry.cold+0x2c/0x38 [ 63.922651] full_proxy_write+0x53/0x80 [ 63.926969] vfs_write+0xe7/0x3a0 [ 63.930700] ksys_write+0x68/0xf0 [ 63.934404] do_syscall_64+0x30/0x40 [ 63.938426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.944070] RIP: 0033:0x7f51a19668f3 [ 63.948084] 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 [ 63.969076] RSP: 002b:00007ffe71108e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.977567] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f51a19668f3 [ 63.985543] RDX: 0000000000000012 RSI: 00007f51a1859000 RDI: 0000000000000001 [ 63.993538] RBP: 00007f51a1859000 R08: 00007f51a1858010 R09: 0000000000000000 [ 64.001527] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.009538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.017532] irq event stamp: 0 [ 64.020974] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 64.027980] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 64.037150] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.046291] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.053293] ---[ end trace c2affdc28f4efba5 ]--- [ 64.058470] lkdtm: Zero detected: saturated 56.879831] FS: 00007ff02bc84580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 56.888871] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.895288] CR2: 00007ff02bcb3000 CR3: 00000001058f0001 CR4: 00000000003706f0 # [ 56.903257] Call Trace: # [ 56.905986] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 56.911339] ? direct_entry.cold+0x2c/0x38 # [ 56.915911] ? full_proxy_write+0x53/0x80 # [ 56.920378] ? vfs_write+0xe7/0x3a0 # [ 56.924260] ? ksys_write+0x68/0xf0 # [ 56.928152] ? do_syscall_64+0x30/0x40 # [ 56.932326] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.938163] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.964607] CR2: 00007ff02bcb3000 # [ 56.968304] ---[ end trace c2affdc28f4efb9a ]--- # [ 56.973472] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 56.977848] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 56.998833] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 57.004668] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.012637] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: fffffff[ 64.200615] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE fbc2d0dd0 # [ 57.020606] RBP: ffffffffbc7177f0 R08: 000000000[ 64.212858] lkdtm: attempting bad refcount_dec() below zero 0000001 R09: 0000000000000001 # [ 57.028577] R10: 00000000fff[ 64.225319] ------------[ cut here ]------------ fe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.0365[ 64.236699] refcount_t: decrement hit 0; leaking memory. 49] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380f[ 64.248891] WARNING: CPU: 0 PID: 2228 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 f3000 # [ 57.044520] FS: 00007ff02bc84580(0000) GS:ffff9303f[ 64.264543] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ac00000(0000) knlGS:0000000000000000 # [ 57.053557] CS: 0010[ 64.297176] CPU: 0 PID: 2228 Comm: cat Tainted: G D W 5.10.158-cip22 #1 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.059974] CR2: [ 64.312067] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00007ff02bcb3000 CR3: 00000001058f0001 CR4: 00000000003706f0 # [ 64.325094] RIP: 0010:refcount_warn_saturate+0xfb/0x110 EXEC_USERSPACE: saw 'call trace:': ok ok 35 selftests: lkdtm: E[ 64.337157] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b XEC_USERSPACE.sh # selftests: lkdtm: EXEC_NULL.sh # Killed # [ 64.364390] RSP: 0018:ffffb4c342bffe48 EFLAGS: 00010286 [ 57.272733] lkdtm: Performing direct entry EXEC_NULL # [ 5[ 64.376467] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 7.278630] lkdtm: attempting ok execution at ffffffffbb4e03e0 # [ 64.390636] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 57.291386] lkdtm: attempting bad execution at 00000000000000[ 64.404848] RBP: ffffffffbc6bc39b R08: 0000000000000000 R09: 0000000000000000 00 # [ 57.304213] BUG: kernel NULL pointer dereference, addre[ 64.419007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 ss: 0000000000000000 # [ 57.318189] #PF: supervisor instructi[ 64.433241] R13: ffffb4c342bfff10 R14: ffffb4c342bfff10 R15: ffff9303827af000 on fetch in kernel mode # [ 57.324513] #PF: error_code(0x0010[ 64.447428] FS: 00007efc9b383580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 ) - not-present page # [ 57.330249] PGD 0 P4D 0 # [ 57.33[ 64.462695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 3072] Oops: 0010 [#11] SMP PTI # [ 57.337059] CPU: 0 PID: 185[ 64.475324] CR2: 00007efc9b18c000 CR3: 0000000104d68002 CR4: 00000000003706f0 5 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ [ 64.489537] Call Trace: 57.345708] Hardware name: Google Rammus/Rammus, BIOS 09/04/202[ 64.498511] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 0 # [ 57.352518] RIP: 0010:0x0 # [ 57.355438] Code: Unable[ 64.510055] direct_entry.cold+0x2c/0x38 to access opcode bytes at RIP 0xffffffffffffffd6. # [ 57.363[ 64.520697] full_proxy_write+0x53/0x80 117] RSP: 0018:ffffb4c34264fe48 EFLAGS: 00010246 # [ 57.36894[ 64.531184] vfs_write+0xe7/0x3a0 0] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 000000000000[ 64.541115] ksys_write+0x68/0xf0 0000 # [ 57.376910] RDX: 0000000000000000 RSI: ffff9303fac1bf[ 64.551018] do_syscall_64+0x30/0x40 70 RDI: ffff9303fac1bf70 # [ 57.384878] RBP: 0000000000000000[ 64.561230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 R08: 0000000000000000 R09: 0000000000000000 # [ 57.392847] R[ 64.573090] RIP: 0033:0x7efc9b2998f3 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a[ 64.583312] 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 # [ 57.400815] R13: ffffb4c34264ff10 R14: ffffb4c34264ff10 R[ 64.610503] RSP: 002b:00007ffc0e405f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 15: ffff930383354000 # [ 57.408785] FS: 00007f9413947580(000[ 64.625204] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efc9b2998f3 0) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 57.41[ 64.639383] RDX: 0000000000000016 RSI: 00007efc9b18c000 RDI: 0000000000000001 7823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 5[ 64.653606] RBP: 00007efc9b18c000 R08: 00007efc9b18b010 R09: 0000000000000000 7.424238] CR2: ffffffffffffffd6 CR3: 00000001058d0004 CR4: 00000[ 64.667775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 000003706f0 # [ 57.432207] Call Trace: # [ 57.434935] exe[ 64.681970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 cute_location+0x45/0x56 # [ 57.439221] direct_entry.cold+0x2[ 64.696158] irq event stamp: 0 c/0x38 # [ 57.443590] full_proxy_write+0x53/0x80 # [ 57.4[ 64.705785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 47877] vfs_write+0xe7/0x3a0 # [ 57.451582] ksys_write+0x68/[ 64.719006] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0xf0 # [ 57.455280] do_syscall_64+0x30/0x40 # [ 57.459261[ 64.734368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.464902] RI[ 64.749725] softirqs last disabled at (0): [<0000000000000000>] 0x0 P: 0033:0x7f941385d8f3 # [ 57.468882] Code: 8b 15 a1 25 0e 00[ 64.762958] ---[ end trace c2affdc28f4efba6 ]--- f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 [ 64.774327] lkdtm: Negative detected: saturated 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.489870] RSP: 002b:00007ffee97b5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.498327] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f941385d8f3 # [ 57.506297] RDX: 000000000000000a RSI: 00007f9413750000 RDI: 0000000000000001 # [ 57.514266] RBP: 00007f9413750000 R08: 00007f941374f010 R09: 0000000000000000 # [ 57.522235] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.530207] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 57.538172] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.564614] CR2: 0000000000000000 # [ 57.568313] ---[ end trace c2affdc28f4efb9b ]--- # [ 57.573474] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.577857] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 57.598831] RSP: 0[ 64.909020] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 64.917480] lkdtm: attempting bad refcount_dec_and_test() below zero 018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 57.604666] RAX: fff[ 64.924589] ------------[ cut here ]------------ [ 64.935957] refcount_t: underflow; use-after-free. [ 64.941360] WARNING: CPU: 3 PID: 2263 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 fffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ [ 64.950797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.983443] CPU: 3 PID: 2263 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 64.992126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.998934] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 65.004774] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 65.025764] RSP: 0018:ffffb4c342c87e40 EFLAGS: 00010286 [ 65.031602] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 65.039578] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 65.047553] RBP: ffffffffbc6bbff0 R08: 0000000000000000 R09: 0000000000000000 57.612635] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: fff[ 65.055529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f fffffbc2d0dd0 # [ 57.620604] RBP: ffffffffbc7177f0 R08: 00000[ 65.069718] R13: ffffb4c342c87f10 R14: ffffb4c342c87f10 R15: ffff930384f3c000 [ 65.083912] FS: 00007fafaf38f580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 65.092955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.099375] CR2: 00007fafaf198000 CR3: 00000001033b2002 CR4: 00000000003706e0 [ 65.107350] Call Trace: [ 65.110083] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.116243] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 65.122500] direct_entry.cold+0x2c/0x38 [ 65.126928] full_proxy_write+0x53/0x80 00000000001 R09: 0000000000000001 # [ 57.628574] R10: 0000000[ 65.131223] vfs_write+0xe7/0x3a0 [ 65.141132] ksys_write+0x68/0xf0 [ 65.144833] do_syscall_64+0x30/0x40 [ 65.148849] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.154494] RIP: 0033:0x7fafaf2a58f3 0ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.[ 65.158486] 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 [ 65.185693] RSP: 002b:00007fffc43460b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.194152] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fafaf2a58f3 [ 65.202126] RDX: 000000000000001f RSI: 00007fafaf198000 RDI: 0000000000000001 [ 65.210100] RBP: 00007fafaf198000 R08: 00007fafaf197010 R09: 0000000000000000 [ 65.218073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.226047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.234026] irq event stamp: 0 636543] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930[ 65.237460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.250675] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.259813] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.268954] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.275957] ---[ end trace c2affdc28f4efba7 ]--- [ 65.281115] lkdtm: Negative detected: saturated 380ff3000 # [ 57.644513] FS: 00007f9413947580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 57.653551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.659966] CR2: ffffffffffffffd6 CR3: 00000001058d0004 CR4: 00000000003706f0 # [ 57.667937] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 57.677850] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1855, name: cat # [ 57.686304] INFO: lockdep is turned off. # [ 57.690678] irq event stamp: 0 # [ 57.694084] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 57.701076] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 57.710212] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.719347] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 57.726338] CPU: 0 PID: 1855 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 57.734978] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 57.741783] Call Trace: # [ 57.744511] dump_stack+0x77/0x9b # [ 57.748213] ___might_sleep.cold+0xa6/0xb6 # [ 57.752786] exit_signals+0x1c/0x2e0 # [ 57.756781][ 65.398911] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 65.412043] lkdtm: attempting bad refcount_sub_and_test() below zero [ 65.419172] ------------[ cut here ]------------ do_exit+0xd5/0xb00 # [ 57.760276] ? ksys_write+0x68/0xf0 [ 65.424330] refcount_t: underflow; use-after-free. # [ 57.764171] rewind_stack_do_exit+0x17/0x20 # [ 57.76884[ 65.435909] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 5] RIP: 0033:0x7f941385d8f3 # [ 57.772833] Code: 8b 15 a1 25 [ 65.451546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.484253] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.158-cip22 #1 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 65.492921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.505935] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 65.511773] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 65.532764] RSP: 0018:ffffb4c342cffe40 EFLAGS: 00010286 [ 65.538603] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 [ 65.546578] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 65.554551] RBP: ffffffffbc6bc010 R08: 0000000000000000 R09: 0000000000000000 [ 65.562525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 65.570511] R13: ffffb4c342cfff10 R14: ffffb4c342cfff10 R15: ffff93038347a000 [ 65.578524] FS: 00007fad45b7b580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 65.587566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.593986] CR2: 00007fad45984000 CR3: 0000000100ff2002 CR4: 00000000003706e0 [ 65.601959] Call Trace: [ 65.604692] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 65.610855] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b [ 65.617107] direct_entry.cold+0x2c/0x38 [ 65.621522] full_proxy_write+0x53/0x80 [ 65.625833] vfs_write+0xe7/0x3a0 [ 65.629564] ksys_write+0x68/0xf0 [ 65.633268] do_syscall_64+0x30/0x40 [ 65.637285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.642930] RIP: 0033:0x7fad45a918f3 [ 65.646922] 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 [ 65.667912] RSP: 002b:00007ffcbe920028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.676372] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fad45a918f3 [ 65.684345] RDX: 000000000000001f RSI: 00007fad45984000 RDI: 0000000000000001 [ 65.692319] RBP: 00007fad45984000 R08: 00007fad45983010 R09: 0000000000000000 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 65.700294] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.714485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.722464] irq event stamp: 0 [ 65.725898] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.732903] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.742066] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.751206] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.758210] ---[ end trace c2affdc28f4efba8 ]--- [ 65.763368] lkdtm: Negative detected: saturated ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.793815] RSP: 002b:00007ffee97b5c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 57.802271] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f941385d8f3 # [ 57.810241] RDX: 000000000000000a RSI: 00007f9413750000 RDI: 0000000000000001 # [ 57.818211] RBP: 00007f9413750000 R08: 00007f941374f010 R09: 0000000000000000 # [ 57.826171] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 57.834138] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 36 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPACE.sh # Killed # [ 57.986673] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 57.997736] lkdtm: attempting bad read at 00007fce9b26c000 # [ 58.010026] BUG: unable to handle page fault for address: 00007fce9b26c000 # [ 58.023894] #PF: supervisor read access in kernel mode # [ 58.029632] #PF: error_code(0x0001) - permissions violation # [ 58.042070] PGD 8000000104810067 P4D 8000000104810067 PUD 103b8e067 PMD 104ce5067 PTE 1152f1067 # [ 58.058010] Oops:[ 65.878094] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 65.886674] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 65.893807] lkdtm: Good: zero detected [ 65.898023] lkdtm: Correctly stayed at zero [ 65.902697] lkdtm: attempting bad refcount_inc() from zero [ 65.908826] ------------[ cut here ]------------ [ 65.913983] refcount_t: addition on 0; use-after-free. [ 65.919750] WARNING: CPU: 3 PID: 2330 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0001 [#12] SMP PTI # [ 58.062001] CPU: 1 PID: 1890 Comm: cat[ 65.929187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 65.961827] CPU: 3 PID: 2330 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 65.970526] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.977337] RIP: 0010:refcount_warn_saturate+0x74/0x110 Tainted: G D W 5.10.158-cip22 #1 # [ 58.076865][ 65.983207] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 bc c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 [ 66.010415] RSP: 0018:ffffb4c342d97e48 EFLAGS: 00010286 [ 66.016281] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 66.024278] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58[ 66.032264] RBP: ffffffffbc6bc3b1 R08: 0000000000000000 R09: 0000000000000000 [ 66.046442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 66.054416] R13: ffffb4c342d97f10 R14: ffffb4c342d97f10 R15: ffff930383b46000 [ 66.062391] FS: 00007ff12ef8f580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 66.071434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.077853] CR2: 00007ff12ed98000 CR3: 0000000104820003 CR4: 00000000003706e0 [ 66.085826] Call Trace: [ 66.088557] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 66.093551] direct_entry.cold+0x2c/0x38 [ 66.097956] full_proxy_write+0x53/0x80 [ 66.102241] vfs_write+0xe7/0x3a0 [ 66.105973] ksys_write+0x68/0xf0 [ 66.109675] do_syscall_64+0x30/0x40 [ 66.113667] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 66.119311] RIP: 0033:0x7ff12eea58f3 [ 66.123303] 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 [ 66.144294] RSP: 002b:00007ffdfeeb10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.152755] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff12eea58f3 [ 66.160729] RDX: 0000000000000012 RSI: 00007ff12ed98000 RDI: 0000000000000001 [ 66.168703] RBP: 00007ff12ed98000 R08: 00007ff12ed97010 R09: 0000000000000000 [ 66.176679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 66.184653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 66.192632] irq event stamp: 0 .083673] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ [ 66.196065] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 66.209278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 66.218420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.227560] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 66.234563] ---[ end trace c2affdc28f4efba9 ]--- [ 66.239721] lkdtm: Zero detected: saturated 58.089897] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 38 d2 6b bc e8 6c 99 fd ff 48 c7 c7 60 d2 6b bc b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 53 99 fd ff 48 89 ee 48 c7 c7 88 d2 6b # [ 58.117099] RSP: 0018:ffffb4c3426cfe48 EFLAGS: 00010246 # [ 58.122925] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.130896] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffffffffbc6bd260 # [ 58.138867] RBP: 00007fce9b26c000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.146838] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 58.154808] R13: ffffb4c3426cff10 R14: ffffb4c3426cff10 R15: ffff930384e2c000 # [ 58.162778] FS: 00007fce9b23d580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 58.171817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.178233] CR2: 00007fce9b26c000 CR3: 0000000103bac005 CR4: 00000000003706e0 # [ 58.186202] Call Trace: # [ 58.188931] direct_entry.cold+0x2c/0x38 # [ 58.193309] full_proxy_write+0x53/0x80 # [ 58.203805] vfs_write+0xe7/0x3a0 # [ 58.207517] ksys_write+0x68/0xf0 # [ 58.217442] do_syscall_64+0x30/0x40 # [ 58.221432] entry_SYSCA[ 66.358604] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO LL_64_after_hwframe+0x61/0xc6 # [ 58.227073] RIP: 0033:0x7fce[ 66.368887] lkdtm: attempting safe refcount_add_not_zero() from zero 9b1538f3 # [ 58.231062] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 0[ 66.382253] lkdtm: Good: zero detected 2 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85[ 66.392680] lkdtm: Correctly stayed at zero c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1[ 66.403557] lkdtm: attempting bad refcount_add() from zero f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.252049] RSP: 002b:0[ 66.415983] ------------[ cut here ]------------ 0007ffc4522a6b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [[ 66.427332] refcount_t: addition on 0; use-after-free. 58.260522] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 0[ 66.439362] WARNING: CPU: 0 PID: 2362 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0007fce9b1538f3 # [ 58.268494] RDX: 0000000000000011 RSI: 000[ 66.454944] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 07fce9b046000 RDI: 0000000000000001 # [ 58.276478] RBP: 00007[ 66.487627] CPU: 0 PID: 2362 Comm: cat Tainted: G D W 5.10.158-cip22 #1 fce9b046000 R08: 00007fce9b045010 R09: 0000000000000000 # [ 5[ 66.502501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 8.284473] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 66.515568] RIP: 0010:refcount_warn_saturate+0x74/0x110 00000000001 # [ 58.292444] R13: 0000000000000001 R14: 0000000[ 66.527586] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 bc c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 000020000 R15: 0000000000020000 # [ 58.300462] Modules linked[ 66.554800] RSP: 0018:ffffb4c342dffe48 EFLAGS: 00010286 in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industr[ 66.566845] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 ialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cr[ 66.581033] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 os_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x[ 66.595210] RBP: ffffffffbc6bc3c3 R08: 0000000000000000 R09: 0000000000000000 86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.3330[ 66.609423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 83] CR2: 00007fce9b26c000 # [ 58.336781] ---[ end trace c2aff[ 66.623600] R13: ffffb4c342dfff10 R14: ffffb4c342dfff10 R15: ffff930383418000 dc28f4efb9c ]--- # [ 58.341936] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 66.637804] FS: 00007ff6a8376580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 58.346312] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff f[ 66.653053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 f eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff[ 66.665699] CR2: 00007ff6a817f000 CR3: 0000000103c98006 CR4: 00000000003706f0 eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 4[ 66.679875] Call Trace: 4 00 00 83 05 00 a6 93 02 # [ 58.367299] RSP: 0018:ffffb4c341[ 66.688847] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 4cfe60 EFLAGS: 00010282 # [ 58.373132] RAX: ffffffffbb4e0010 [ 66.700008] direct_entry.cold+0x2c/0x38 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.381102] RD[ 66.710610] full_proxy_write+0x53/0x80 X: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 [ 66.721099] vfs_write+0xe7/0x3a0 # [ 58.389072] RBP: ffffffffbc7177f0 R08: 0000000000000001 R0[ 66.731030] ksys_write+0x68/0xf0 9: 0000000000000001 # [ 58.397043] R10: 00000000ffffe000 R11:[ 66.740934] do_syscall_64+0x30/0x40 3fffffffffffffff R12: 0000000000000004 # [ 58.405013] R13: f[ 66.751162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [[ 66.763008] RIP: 0033:0x7ff6a828c8f3 58.412983] FS: 00007fce9b23d580(0000) GS:ffff9303fac80000(00[ 66.773228] 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 00) knlGS:0000000000000000 # [ 58.422020] CS: 0010 DS: 0000 [ 66.800426] RSP: 002b:00007ffced5f0a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ES: 0000 CR0: 0000000080050033 # [ 58.428436] CR2: 00007fce9b[ 66.815118] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff6a828c8f3 26c000 CR3: 0000000103bac005 CR4: 00000000003706e0 # ACCESS_USE[ 66.829287] RDX: 0000000000000012 RSI: 00007ff6a817f000 RDI: 0000000000000001 RSPACE: saw 'call trace:': ok ok 37 selftests: lkdtm: ACCESS_US[ 66.843500] RBP: 00007ff6a817f000 R08: 00007ff6a817e010 R09: 0000000000000000 ERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh # Killed # [ [ 66.857677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 58.561131] lkdtm: Performing direct entry ACCESS_NULL # [ 58.[ 66.871890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 572739] lkdtm: attempting bad read at 0000000000000000 # [ 58[ 66.886070] irq event stamp: 0 .585077] BUG: kernel NULL pointer dereference, address: 00000000[ 66.895710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 00000000 # [ 58.599043] #PF: supervisor read access in kernel[ 66.908917] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 mode # [ 58.604779] #PF: error_code(0x0000) - not-present pa[ 66.924291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ge # [ 58.610508] PGD 0 P4D 0 # [ 58.613335] Oops: 0000 [[ 66.939633] softirqs last disabled at (0): [<0000000000000000>] 0x0 #13] SMP PTI # [ 58.617315] CPU: 1 PID: 1925 Comm: cat Tainte[ 66.952861] ---[ end trace c2affdc28f4efbaa ]--- d: G D W 5.10.158-cip22 #1 # [ 58.625967] Hardwa[ 66.964234] lkdtm: Zero detected: saturated re name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.638989] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 58.644243] Code: 10 99 fd ff be 00 10 00 00 48 89 ef e8 95 80 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 38 d2 6b bc e8 ea 98 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 60 d2 6b bc 48 01 # [ 58.671441] RSP: 0018:ffffb4c34274fe58 EFLAGS: 00010246 # [ 58.677268] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 58.685239] RDX: 0000000000000000 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 58.693209] RBP: ffffffffbc6bc329 R08: 0000000000000000 R09: 0000000000000000 # [ 58.701180] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 58.709151] R13: ffffb4c34274ff10 R14: ffffb4c34274ff10 R15: ffff930384f48000 # [ 58.717114] FS: 00007f64ee64e580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 58.726144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.732559] CR2: 0000000000000000 CR3: 00000001058ae005 CR4: 00000000003706e0 # [ 58.740532] Call Trace: # [ 58.743259] direct_entry.cold+0x2c/0x38 # [ 58.747640] full_proxy_write+0x53/0x80 # [ 58.758133] vfs_write+0xe7/0x3a0 # [ 58.761833] ksys_write+0x68/0xf0 # [ 58.771745] do_sysc[ 67.093581] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 67.106200] lkdtm: attempting bad refcount_inc() from saturated [ 67.112870] ------------[ cut here ]------------ all_64+0x30/0x40 # [ 58.775737] entry_SYSCALL_64_after_hwfra[ 67.118040] refcount_t: saturated; leaking memory. [ 67.129629] WARNING: CPU: 2 PID: 2397 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 me+0x61/0xc6 # [ 58.781378] RIP: 0033:0x7f64ee5648f3 # [ 5[ 67.139069] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.171714] CPU: 2 PID: 2397 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 67.180401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.187213] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 67.193054] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 [ 67.214075] RSP: 0018:ffffb4c342e77e48 EFLAGS: 00010286 [ 67.219917] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 67.227922] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 [ 67.235899] RBP: ffffffffbc6bc3d5 R08: 0000000000000000 R09: 0000000000000000 [ 67.243905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 8.785366] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff [ 67.251880] R13: ffffb4c342e77f10 R14: ffffb4c342e77f10 R15: ffff9303858fa000 ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 0[ 67.266071] FS: 00007f95b23d0580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 0 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec [ 67.281330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 28 48 89 54 24 18 # [ 58.806353] RSP: 002b:00007ffd74f3ddd8 E[ 67.293968] CR2: 00007f95b21d9000 CR3: 00000001059b0006 CR4: 00000000003706e0 [ 67.308162] Call Trace: [ 67.310903] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 67.316362] direct_entry.cold+0x2c/0x38 [ 67.320753] full_proxy_write+0x53/0x80 [ 67.325047] vfs_write+0xe7/0x3a0 [ 67.328756] ksys_write+0x68/0xf0 [ 67.332467] do_syscall_64+0x30/0x40 FLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.814810] RAX[ 67.336462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ee5648f3 [ 67.348317] RIP: 0033:0x7f95b22e68f3 [ 67.358528] 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 # [ 58.822781] RDX: 000000000000000c RSI: 00007f64ee457000 RDI[ 67.379521] RSP: 002b:00007ffc6d9d4fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.394191] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f95b22e68f3 : 0000000000000001 # [ 58.830753] RBP: 00007f64ee457000 R08: [ 67.402165] RDX: 0000000000000017 RSI: 00007f95b21d9000 RDI: 0000000000000001 00007f64ee456010 R09: 0000000000000000 [ 67.416351] RBP: 00007f95b21d9000 R08: 00007f95b21d8010 R09: 0000000000000000 # [ 58.838722] R10: fffffffffffffbc5 R11: 0000000000000246 R12[ 67.428210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 : 0000000000000001 [ 67.442400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.846693] R13: 0000000000000001 R14: 0000000000020000 R15[ 67.452329] irq event stamp: 0 [ 67.461949] hardirqs last enabled at (0): [<0000000000000000>] 0x0 : 0000000000020000[ 67.468957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.479839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.488983] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.496176] ---[ end trace c2affdc28f4efbab ]--- # [ 58.854669] Modules linked in: fuse ip_tables cros_ec_senso[ 67.501335] lkdtm: Saturation detected: still saturated rs cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.887311] CR2: 0000000000000000 # [ 58.891009] ---[ end trace c2affdc28f4efb9d ]--- # [ 58.896157] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.900535] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 58.921520] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 58.927345] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.935315] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 58.943285] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 58.951253] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.959223] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 58.967193] FS: 00007f64ee64e580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 58.976233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 #[ 67.630208] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 67.638292] lkdtm: attempting bad refcount_dec() from saturated [ 67.644937] ------------[ cut here ]------------ [ 67.650093] refcount_t: decrement hit 0; leaking memory. [ 58.982642] CR2: 0000000000000000 CR3: 00000001058ae005 CR4:[ 67.656056] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000000003706e0 # [ 58.990611] BUG: sleeping function calle[ 67.671714] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.704357] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 67.713012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.719821] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 67.725680] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b d from invalid context at include/linux/percpu-rwsem.h:49 # [ [ 67.746683] RSP: 0018:ffffb4c342ecfe48 EFLAGS: 00010286 [ 67.758726] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 67.766699] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 67.774672] RBP: ffffffffbc6bc3ec R08: 0000000000000000 R09: 0000000000000000 [ 67.782646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 67.790618] R13: ffffb4c342ecff10 R14: ffffb4c342ecff10 R15: ffff93038320e000 [ 67.798606] FS: 00007fb51680d580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 67.807679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.814099] CR2: 00007fb516616000 CR3: 0000000103236003 CR4: 00000000003706e0 [ 67.822071] Call Trace: [ 67.824804] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 67.830285] direct_entry.cold+0x2c/0x38 [ 67.834691] full_proxy_write+0x53/0x80 [ 67.838975] vfs_write+0xe7/0x3a0 [ 67.842701] ksys_write+0x68/0xf0 [ 67.846402] do_syscall_64+0x30/0x40 [ 67.850418] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.856063] RIP: 0033:0x7fb5167238f3 [ 67.860055] 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 [ 67.881041] RSP: 002b:00007ffe50474378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.889516] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb5167238f3 59.000525] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pi[ 67.897521] RDX: 0000000000000017 RSI: 00007fb516616000 RDI: 0000000000000001 [ 67.911712] RBP: 00007fb516616000 R08: 00007fb516615010 R09: 0000000000000000 d: 1925, name: cat # [ 59.008981] INFO: lockdep is turned off[ 67.919686] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 67.933874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.941853] irq event stamp: 0 . # [ 59.013358] irq event stamp: 0 # [ 59.016764] hardirq[ 67.945286] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.958506] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.967650] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.976792] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.983793] ---[ end trace c2affdc28f4efbac ]--- [ 67.988950] lkdtm: Saturation detected: still saturated s last enabled at (0): [<0000000000000000>] 0x0 # [ 59.023765] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.032900] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.042036] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.049036] CPU: 1 PID: 1925 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 59.057687] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.064493] Call Trace: # [ 59.067241] dump_stack+0x77/0x9b # [ 59.070940] ___might_sleep.cold+0xa6/0xb6 # [ 59.081723] exit_signals+0x1c/0x2e0 # [ 59.085704] do_exit+0xd5/0xb00 # [ 59.089201] ? ksys_write+0x68/0xf0 # [ 59.093093] rewind_stack_do_exit+0x17/0x20 # [ 59.097763] RIP: 0033:0x7f64ee5648f3 # [ 59.107966] 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 # [ 59.128951] RSP: 002b:00007ffd74f3ddd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.137409] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f64ee5648f3 # [ 59.145380] RDX: 000000000000000c RSI: 00007f64ee457000 RDI: 000000000[ 68.113511] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED [ 68.125925] lkdtm: attempting bad refcount_dec() from saturated [ 68.132576] ------------[ cut here ]------------ [ 68.137765] refcount_t: saturated; leaking memory. [ 68.143146] WARNING: CPU: 2 PID: 2467 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 0000001 # [ 59.153350] RBP: 00007f64ee457000 R08: 00007f64ee4[ 68.152581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 68.185225] CPU: 2 PID: 2467 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 68.193910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.200720] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 68.206581] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 [ 68.227572] RSP: 0018:ffffb4c342f7fe48 EFLAGS: 00010286 56010 R09: 0000000000000000 # [ 59.161320] R10: fffffffffffff[ 68.233411] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 68.247606] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 [ 68.255609] RBP: ffffffffbc6bc403 R08: 0000000000000000 R09: 0000000000000000 [ 68.263581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.271554] R13: ffffb4c342f7ff10 R14: ffffb4c342f7ff10 R15: ffff9303864c9000 [ 68.279528] FS: 00007f25292f9580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 [ 68.288591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 bc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.169291[ 68.295022] CR2: 00007f2529102000 CR3: 0000000103326005 CR4: 00000000003706e0 [ 68.309205] Call Trace: [ 68.311935] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 68.317416] direct_entry.cold+0x2c/0x38 [ 68.321799] full_proxy_write+0x53/0x80 [ 68.326107] vfs_write+0xe7/0x3a0 [ 68.329833] ksys_write+0x68/0xf0 [ 68.333535] do_syscall_64+0x30/0x40 [ 68.337553] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.343197] RIP: 0033:0x7f252920f8f3 [ 68.347189] 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 [ 68.368181] RSP: 002b:00007ffd12ff6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.376642] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f252920f8f3 [ 68.384616] RDX: 0000000000000017 RSI: 00007f2529102000 RDI: 0000000000000001 [ 68.392590] RBP: 00007f2529102000 R08: 00007f2529101010 R09: 0000000000000000 [ 68.400563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.408535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.416526] irq event stamp: 0 [ 68.419965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.426968] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.436109] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.445248] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.452250] ---[ end trace c2affdc28f4efbad ]--- [ 68.457407] lkdtm: Saturation detected: still saturated ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 59.291384] lkdtm: Performing direct entry WRITE_RO # [ 59.300816] lkdtm: attempting bad rodata write at ffffffffbc2d1250 # [ 59.313954] BUG: unable to handle page fault for address: ffffffffbc2d1250 # [ 59.327825] #PF: supervisor write access in kernel mode # [ 59.333658] #PF: error_code(0x0003) - permissions violation # [ 59.339882] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 80000000690000e1 # [ 59.347375] Oops: 0003 [#14] SMP PTI # [ 59.351364] CPU: 0 PID: 1960 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 59.360014] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.366821] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.371785] Code: 00 48 c7 c7 18 d1 6b bc 48 c7 c6 50 12 2d bc e8 94 9b fd ff 48 8b 05 2f 1c 76 00 ba 34 12 cd ab 48 c7 c7 48 d1 6b bc 48 31 d0 <48> 89 05 19 1c 76 00 e9 72 9b fd ff 0f 1f 44 00 00 48 8b 05 e8 9c # [ 59.392772] RSP: 0018:ffffb4c3427afe60 EFLAGS: 00010202 # [ 59.398598] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 00[ 68.579285] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 68.589080] lkdtm: attempting bad refcount_inc_not_zero() from saturated 00000000000000 # [ 59.406567] RDX: 00000000abcd1234 RSI: ffff[ 68.596582] ------------[ cut here ]------------ 9303fac1bf70 RDI: ffffffffbc6bd148 # [ 59.414536] RBP: ffffff[ 68.607949] refcount_t: saturated; leaking memory. ffbc6bc335 R08: 0000000000000000 R09: 0000000000000000 # [ 59[ 68.619527] WARNING: CPU: 3 PID: 2499 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 68.635167] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .422505] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 68.661632] CPU: 3 PID: 2499 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 68.676514] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.683361] RIP: 0010:refcount_warn_saturate+0x97/0x110 0000000009 # [ 59.430476] R13: ffffb4c3427aff10 R14: ffffb4c3[ 68.689229] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 [ 68.716427] RSP: 0018:ffffb4c343007e38 EFLAGS: 00010282 [ 68.722267] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 68.730242] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 68.738217] RBP: ffffffffbc6bc030 R08: 0000000000000000 R09: 0000000000000000 [ 68.746193] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 68.754167] R13: ffffb4c343007f10 R14: ffffb4c343007f10 R15: ffff930385902000 [ 68.762141] FS: 00007f3b4fea9580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 68.771184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.777605] CR2: 00007f3b4fcb2000 CR3: 0000000103c60004 CR4: 00000000003706e0 [ 68.785580] Call Trace: [ 68.788314] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 68.794484] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 427aff10 R15: ffff930384ebc000 # [ 59.438447] FS: 00007fe012[ 68.800805] direct_entry.cold+0x2c/0x38 [ 68.811398] full_proxy_write+0x53/0x80 [ 68.815713] vfs_write+0xe7/0x3a0 [ 68.819440] ksys_write+0x68/0xf0 [ 68.823166] do_syscall_64+0x30/0x40 [ 68.827157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.832803] RIP: 0033:0x7f3b4fdbf8f3 [ 68.836827] 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 [ 68.857815] RSP: 002b:00007fff385992b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.866303] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3b4fdbf8f3 [ 68.874279] RDX: 0000000000000020 RSI: 00007f3b4fcb2000 RDI: 0000000000000001 [ 68.882255] RBP: 00007f3b4fcb2000 R08: 00007f3b4fcb1010 R09: 0000000000000000 ac2580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 #[ 68.890231] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 68.904420] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.447486] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 68.912399] irq event stamp: 0 [ 68.922016] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.929021] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.938159] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.947300] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.954303] ---[ end trace c2affdc28f4efbae ]--- 3 # [ 59.453902] CR2: ffffffffbc2d1250 CR3: 0000000105be8006 [ 68.959476] lkdtm: Saturation detected: still saturated CR4: 00000000003706f0 # [ 59.461872] Call Trace: # [ 59.464600] direct_entry.cold+0x2c/0x38 # [ 59.468981] full_proxy_write+0x53/0x80 # [ 59.473267] vfs_write+0xe7/0x3a0 # [ 59.476972] ksys_write+0x68/0xf0 # [ 59.480671] do_syscall_64+0x30/0x40 # [ 59.484653] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.490294] RIP: 0033:0x7fe0129d88f3 # [ 59.494284] 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 # [ 59.515263] RSP: 002b:00007ffe675dd808 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.523721] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007fe0129d88f3 # [ 59.531691] RDX: 0000000000000009 RSI: 00007fe0128cb000 RDI: 0000000000000001 # [ 59.539661] RBP: 00007fe0128cb000 R08: 00007fe0128ca010 R09: 0000000000000000 # [ 59.547630] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.555601] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.563575] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_li[ 69.091192] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED ghtbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cr[ 69.103741] lkdtm: attempting bad refcount_add_not_zero() from saturated os_ec_dev cros_usbpd_notify # [ 59.590023] CR2: ffffffffbc2d1[ 69.117480] ------------[ cut here ]------------ 250 # [ 59.593720] ---[ end trace c2affdc28f4efb9e ]--- # [ [ 69.128843] refcount_t: saturated; leaking memory. 59.598875] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.603251] Code[ 69.140423] WARNING: CPU: 0 PID: 2531 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 : 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 69.156062] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 69.188726] CPU: 0 PID: 2531 Comm: cat Tainted: G D W 5.10.158-cip22 #1 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93[ 69.203571] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 02 # [ 59.624235] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 0001028[ 69.216615] RIP: 0010:refcount_warn_saturate+0x97/0x110 2 # [ 59.630060] RAX: ffffffffbb4e0010 RBX: 0000000000000001 [ 69.228710] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 RCX: 0000000000000000 # [ 59.638030] RDX: 0000000000000000 RS[ 69.255896] RSP: 0018:ffffb4c34303fe38 EFLAGS: 00010282 I: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 59.645999] RBP:[ 69.267942] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 #[ 69.282147] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 59.653969] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 69.296342] RBP: ffffffffbc6bc050 R08: 0000000000000000 R09: 0000000000000000 0000000000000004 # [ 59.661937] R13: ffffb4c3414cff10 R14: f[ 69.310514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 fffb4c3414cff10 R15: ffff930380ff3000 # [ 59.669907] FS: 000[ 69.324704] R13: ffffb4c34303ff10 R14: ffffb4c34303ff10 R15: ffff930386456000 07fe012ac2580(0000) GS:ffff9303fac00000(0000) knlGS:000000000000[ 69.338890] FS: 00007fac2b81b580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 0000 # [ 59.678938] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 69.354152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 80050033 # [ 59.685353] CR2: ffffffffbc2d1250 CR3: 0000000105[ 69.366785] CR2: 00007fac2b624000 CR3: 0000000103266005 CR4: 00000000003706f0 be8006 CR4: 00000000003706f0 # WRITE_RO: saw 'call trace:': ok [ 69.380981] Call Trace: ok 39 selftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_[ 69.389932] __refcount_add_not_zero.constprop.0+0x2a/0x35 RO_AFTER_INIT.sh # Killed # [ 59.862940] lkdtm: Performing d[ 69.402304] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 irect entry WRITE_RO_AFTER_INIT # [ 59.873949] lkdtm: attempt[ 69.414826] direct_entry.cold+0x2c/0x38 ing bad ro_after_init write at ffffffffbc739330 # [ 59.881543[ 69.425435] full_proxy_write+0x53/0x80 ] BUG: unable to handle page fault for address: ffffffffbc739330[ 69.435926] vfs_write+0xe7/0x3a0 # [ 59.889228] #PF: supervisor write access in kernel mode [ 69.445870] ksys_write+0x68/0xf0 # [ 59.895063] #PF: error_code(0x0003) - permissions violation[ 69.455787] do_syscall_64+0x30/0x40 # [ 59.901285] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 10[ 69.465993] entry_SYSCALL_64_after_hwframe+0x61/0xc6 4c8f063 PTE 8000000069539061 # [ 59.916252] Oops: 0003 [#15] [ 69.477856] RIP: 0033:0x7fac2b7318f3 SMP PTI # [ 59.920244] CPU: 3 PID: 1995 Comm: cat Tainted: G [ 69.488074] 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 D W 5.10.158-cip22 #1 # [ 59.928896] Hardware na[ 69.515296] RSP: 002b:00007fff4e43d768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 me: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.941920] RIP[ 69.529993] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fac2b7318f3 : 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 59.947948] Cod[ 69.544152] RDX: 0000000000000020 RSI: 00007fac2b624000 RDI: 0000000000000001 e: d1 6b bc e9 46 9b fd ff 48 c7 c7 a0 d1 6b bc e8 3a 9b fd ff 4[ 69.558338] RBP: 00007fac2b624000 R08: 00007fac2b623010 R09: 0000000000000000 8 8b 05 b5 9c bc 00 ba 34 12 cd ab 48 c7 c7 48 d1 6b bc 48 31 d0[ 69.572546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 <48> 89 05 9f 9c bc 00 e9 18 9b fd ff 0f 1f 44 00 00 41 54 48 c[ 69.586723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 7 c7 # [ 59.968934] RSP: 0018:ffffb4c342847e60 EFLAGS: 000102[ 69.600941] irq event stamp: 0 02 # [ 59.974768] RAX: 00000000fe67479e RBX: 0000000000000029[ 69.610556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RCX: 0000000000000000 # [ 59.982737] RDX: 00000000abcd1234 R[ 69.623784] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 SI: ffff9303fad9bf70 RDI: ffffffffbc6bd148 # [ 59.990706] RBP[ 69.639136] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 : ffffffffbc6bc33e R08: 0000000000000000 R09: 0000000000000000 [ 69.654496] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.998676] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 69.667723] ---[ end trace c2affdc28f4efbaf ]--- : 0000000000000014 # [ 60.006646] R13: ffffb4c342847f10 R14: [ 69.679088] lkdtm: Saturation detected: still saturated ffffb4c342847f10 R15: ffff9303831f3000 # [ 60.014616] FS: 00007fc5667df580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 60.023655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.030071] CR2: ffffffffbc739330 CR3: 0000000103b88002 CR4: 00000000003706e0 # [ 60.038041] Call Trace: # [ 60.040769] direct_entry.cold+0x2c/0x38 # [ 60.045148] full_proxy_write+0x53/0x80 # [ 60.049431] vfs_write+0xe7/0x3a0 # [ 60.053128] ksys_write+0x68/0xf0 # [ 60.056826] do_syscall_64+0x30/0x40 # [ 60.060815] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.066474] RIP: 0033:0x7fc5666f58f3 # [ 60.070471] 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 # [ 60.091470] RSP: 002b:00007ffec4fba8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.099927] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc5666f58f3 # [ 60.107898] RDX: 0000000000000014 RSI: 00007fc5665e8000 RDI: 0000000000000001 # [ 60.115870] RBP: 00007fc5665e8000 R08: 00007fc5665e7010 R09: 0000000000000000 # [ 60.123841] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 #[ 69.812296] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 60.131813] R13: 0000000000000001 R14: 0000000000020000 R15:[ 69.823115] lkdtm: attempting bad refcount_dec_and_test() from saturated 0000000000020000 # [ 60.139788] Modules linked in: fuse ip_t[ 69.836823] ------------[ cut here ]------------ ables cros_ec_sensors cros_ec_sensors_core industrialio_triggere[ 69.848198] refcount_t: underflow; use-after-free. d_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cr[ 69.859794] WARNING: CPU: 1 PID: 2566 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 os_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_th[ 69.875416] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ermal cros_ec_dev cros_usbpd_notify # [ 60.166252] CR2: fffff[ 69.908060] CPU: 1 PID: 2566 Comm: cat Tainted: G D W 5.10.158-cip22 #1 fffbc739330 # [ 60.176164] ---[ end trace c2affdc28f4efb9f ]-[ 69.922929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 -- # [ 60.181311] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.1856[ 69.935958] RIP: 0010:refcount_warn_saturate+0xba/0x110 89] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 [ 69.948018] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 4[ 69.975239] RSP: 0018:ffffb4c3430f7e40 EFLAGS: 00010286 4 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 [ 69.987273] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 00 a6 93 02 # [ 60.206667] RSP: 0018:ffffb4c3414cfe60 EFLAGS:[ 70.001475] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 [ 70.015665] RBP: ffffffffbc6bc070 R08: 0000000000000000 R09: 0000000000000000 00010282 # [ 60.212514] RAX: ffffffffbb4e0010 RBX: 000000000[ 70.023640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.037823] R13: ffffb4c3430f7f10 R14: ffffb4c3430f7f10 R15: ffff930385bb4000 0000001 RCX: 0000000000000000 # [ 60.220522] RDX: 00000000000[ 70.045798] FS: 00007f5f56703580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 00000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 60.2284[ 70.061053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 91] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 00000000000[ 70.073692] CR2: 00007f5f5650c000 CR3: 00000001058ce006 CR4: 00000000003706e0 [ 70.087885] Call Trace: 00001 # [ 60.236473] R10: 00000000ffffe000 R11: 3ffffffffffff[ 70.090620] __refcount_sub_and_test.constprop.0+0x3c/0x50 fff R12: 0000000000000004 # [ 60.244443] R13: ffffb4c3414cff1[ 70.102957] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 0 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 60.252440] [ 70.115501] direct_entry.cold+0x2c/0x38 FS: 00007fc5667df580(0000) GS:ffff9303fad80000(0000) knlGS:0000[ 70.126097] full_proxy_write+0x53/0x80 000000000000 # [ 60.261469] CS: 0010 DS: 0000 ES: 0000 CR0: [ 70.136598] vfs_write+0xe7/0x3a0 0000000080050033 # [ 60.267885] CR2: ffffffffbc739330 CR3: 00[ 70.146525] ksys_write+0x68/0xf0 00000103b88002 CR4: 00000000003706e0 # [ 60.275855] BUG: slee[ 70.156443] do_syscall_64+0x30/0x40 ping function called from invalid context at include/linux/percp[ 70.166677] entry_SYSCALL_64_after_hwframe+0x61/0xc6 u-rwsem.h:49 # [ 60.285769] in_atomic(): 0, irqs_disabled(): [ 70.178536] RIP: 0033:0x7f5f566198f3 1, non_block: 0, pid: 1995, name: cat # [ 60.294225] INFO: lo[ 70.188742] 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 ckdep is turned off. # [ 60.298600] irq event stamp: 0 # [ [ 70.215946] RSP: 002b:00007ffc80e08638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.230625] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5f566198f3 60.302005] hardirqs last enabled at (0): [<0000000000000000>] [ 70.238601] RDX: 0000000000000020 RSI: 00007f5f5650c000 RDI: 0000000000000001 [ 70.252785] RBP: 00007f5f5650c000 R08: 00007f5f5650b010 R09: 0000000000000000 0x0 # [ 60.309005] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 60.318132] softirqs l[ 70.282929] irq event stamp: 0 ast enabled at (0): [] copy_process+0x640/0x1[ 70.292543] hardirqs last enabled at (0): [<0000000000000000>] 0x0 c80 # [ 60.327268] softirqs last disabled at (0): [<000000000[ 70.305762] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000>] 0x0 # [ 60.334268] CPU: 3 PID: 1995 Comm: cat Taint[ 70.321117] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ed: G D W 5.10.158-cip22 #1 # [ 60.342918] Hardw[ 70.336474] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.349693] ---[ end trace c2affdc28f4efbb0 ]--- are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.34972[ 70.354852] lkdtm: Saturation detected: still saturated 2] Call Trace: # [ 60.352469] dump_stack+0x77/0x9b # [ 60.356168] ___might_sleep.cold+0xa6/0xb6 # [ 60.360732] exit_signals+0x1c/0x2e0 # [ 60.364712] do_exit+0xd5/0xb00 # [ 60.368216] ? ksys_write+0x68/0xf0 # [ 60.372100] rewind_stack_do_exit+0x17/0x20 # [ 60.376759] RIP: 0033:0x7fc5666f58f3 # [ 60.380747] 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 # [ 60.401733] RSP: 002b:00007ffec4fba8c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.410190] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007fc5666f58f3 # [ 60.418161] RDX: 0000000000000014 RSI: 00007fc5665e8000 RDI: 0000000000000001 # [ 60.426132] RBP: 00007fc5665e8000 R08: 00007fc5665e7010 R09: 0000000000000000 # [ 60.434103] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 60.442073] 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 # [ 60.600525] lkdtm: Performing direct entry WRITE_KERN # [ 60.611110] lkdtm: attempting bad 6877627 byte write at ffffffffbbb6f59b # [ 60.618626] B[ 70.491400] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 70.505123] lkdtm: attempting bad refcount_sub_and_test() from saturated UG: unable to handle page fault for address: ffffffffbbb6f59b #[ 70.512628] ------------[ cut here ]------------ [ 60.626316] #PF: supervisor write access in kernel mode # [[ 70.523990] refcount_t: underflow; use-after-free. [ 70.535583] WARNING: CPU: 3 PID: 2601 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 60.638363] #PF: error_code(0x0003) - permissions violation #[ 70.545022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.577689] CPU: 3 PID: 2601 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 60.644584] PGD 69629067 P4D 69629067 PUD 6962a063 PMD 68800[ 70.586357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.599372] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.605211] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.626200] RSP: 0018:ffffb4c343187e40 EFLAGS: 00010286 [ 70.632038] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 70.640011] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 [ 70.647985] RBP: ffffffffbc6bc090 R08: 0000000000000000 R09: 0000000000000000 [ 70.655958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.663932] R13: ffffb4c343187f10 R14: ffffb4c343187f10 R15: ffff9303828ea000 [ 70.671906] FS: 00007fae8e2dd580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 [ 70.680947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.687366] CR2: 00007fae8e0e6000 CR3: 0000000103c1a003 CR4: 00000000003706e0 [ 70.695340] Call Trace: [ 70.698072] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 70.704233] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 70.710584] direct_entry.cold+0x2c/0x38 [ 70.714965] full_proxy_write+0x53/0x80 [ 70.719275] vfs_write+0xe7/0x3a0 [ 70.723001] ksys_write+0x68/0xf0 [ 70.726704] do_syscall_64+0x30/0x40 [ 70.730696] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.736340] RIP: 0033:0x7fae8e1f38f3 [ 70.740333] 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 [ 70.761322] RSP: 002b:00007fff45454c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.769782] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae8e1f38f3 [ 70.777755] RDX: 0000000000000020 RSI: 00007fae8e0e6000 RDI: 0000000000000001 [ 70.785729] RBP: 00007fae8e0e6000 R08: 00007fae8e0e5010 R09: 0000000000000000 0e1 # [ 60.651295] Oops: 0003 [#16] SMP PTI # [ 60.655285[ 70.793702] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ] CPU: 3 PID: 2030 Comm: cat Tainted: G D W 5.10.15[ 70.807893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.822088] irq event stamp: 0 8-cip22 #1 # [ 60.663927] Hardware name: Google Rammus/Rammus[ 70.825521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.838735] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.847890] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.857029] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.864032] ---[ end trace c2affdc28f4efbb1 ]--- [ 70.869188] lkdtm: Saturation detected: still saturated , BIOS 09/04/2020 # [ 60.670734] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 60.675889] Code: 53 48 c7 c3 9b f5 b6 bb 49 89 dc 48 89 da 49 81 ec e0 03 4e bb 4c 89 e6 e8 ed 9a fd ff 48 89 df 4c 89 e1 48 c7 c6 e0 03 4e bb a4 48 c7 c7 48 d1 6b bc e8 d2 9a fd ff 5b 41 5c e9 b7 fe ff ff # [ 60.696877] RSP: 0018:ffffb4c3428b7e50 EFLAGS: 00010246 # [ 60.702703] RAX: 000000000000003c RBX: ffffffffbbb6f59b RCX: 000000000068f1bb # [ 60.710673] RDX: 0000000000000000 RSI: ffffffffbb4e03e0 RDI: ffffffffbbb6f59b # [ 60.718643] RBP: ffffffffbc6bc352 R08: 0000000000000000 R09: 0000000000000000 # [ 60.726615] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f1bb # [ 60.734585] R13: ffffb4c3428b7f10 R14: ffffb4c3428b7f10 R15: ffff9303827ce000 # [ 60.742558] FS: 00007f05e51c7580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 60.751598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.758015] CR2: ffffffffbbb6f59b CR3: 00000001058c6001 CR4: 00000000003706e0 # [ 60.765987] Call Trace: # [ 60.768716] direct_entry.cold+0x2c/0x38 # [ 60.773094] full_proxy_write+0x53/0x80 # [ 60.777367] vfs_write+0xe7/0x3a0 # [ 60.781066] ksys_write+0x68/0xf0 # [ 60.784766] do_syscall_64+0x30/0x40 # [ 60.788755] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.794396] RIP: 0033:0x7f05e50dd8f3 # [ 60.798378] 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 # [ 60.819355] RSP: 002b:00007fff593bbab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.827811] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f05e50dd8f3 # [ 60.835780] RDX: 000000000000000b RSI: 00007f05e4fd0000 RDI: 0000000000000001 # [ 60.843750] RBP: 00007f05e4fd0000 R08: 00007f05e4fcf010 R09: 00000000[ 71.056170] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO 00000000 # [ 60.851719] R10: fffffffffffffbc5 R11: 0000000000[ 71.068287] lkdtm: attempting good copy_to_user of correct size 000246 R12: 0000000000000001 # [ 60.859687] R13: 000000000000[ 71.081132] lkdtm: attempting bad copy_to_user of too large size 0001 R14: 0000000000020000 R15: 0000000000020000 # [ 60.867661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.894121] CR2: ffffffffbbb6f59b # [ 60.904033] ---[ end trace c2affdc28f4efba0 ]--- # [ 60.909189] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.913566] Code: 89 ff e8 5e a6 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 00 a6 93 02 # [ 60.934554] RSP: 0018:ffffb4c3414cfe60 EFLAGS: 00010282 # [ 60.940387] RAX: ffffffffbb4e0010 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.948358] RDX: 0000000000000000 RSI: ffff9303fad1bf70 RDI: ffffffffbc2d0dd0 # [ 60.956328] RBP: ffffffffbc7177f0 R08: 0000000000000001 R09: 0000000000000001 # [ 60.964298] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.972268] R13: ffffb4c3414cff10 R14: ffffb4c3414cff10 R15: ffff930380ff3000 # [ 60.980238] FS: 00007f05e51c7580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 60.989277] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.995693] CR2: ffffffffbbb6f59b CR3: 00000001058c6001 CR4: 0000000000370[ 71.228131] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 71.237671] lkdtm: attempting good copy_from_user of correct size [ 71.244519] lkdtm: attempting bad copy_from_user of too large size 6e0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [ 61.113876] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.122291] lkdtm: attempting good refcount_inc() without overflow # [ 61.135438] lkdtm: attempting bad refcount_inc() overflow # [ 61.147661] ------------[ cut here ]------------ # [ 61.152820] refcount_t: saturated; leaking memory. # [ 61.164414] WARNING: CPU: 1 PID: 2065 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.180033] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.212682] CPU: 1 PID: 2065 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 61.227552] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.240582] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.252638] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 # [ 61.279840] [ 71.369843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 71.383146] lkdtm: attempting good copy_to_user inside whitelist RSP: 0018:ffffb4c34275fe48 EFLAGS: 00010286 # [ 61.291894] RA[ 71.389867] lkdtm: attempting bad copy_to_user outside whitelist X: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.306087] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 61.320273] RBP: ffffffffbc6bc35d R08: 0000000000000000 R09: 0000000000000000 # [ 61.334462] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 61.348653] R13: ffffb4c34275ff10 R14: ffffb4c34275ff10 R15: ffff930384fcb000 # [ 61.362843] FS: 00007feec6409580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 61.378111] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.390742] CR2: 00007feec6212000 CR3: 0000000103c0e005 CR4: 00000000003706e0 # [ 61.404930] Call Trace: # [ 61.413881] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.425449] direct_entry.cold+0x2c/0x38 # [ 61.436048] full_proxy_write+0x53/0x80 # [ 61.436052] vfs_write+0xe7/0x3a0 # [ 61.456464] ksys_write+0x68/0xf0 # [ 61.466383] do_syscall_64+0x30/0x40 # [ 61.476591] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.488449] RIP: 0033:0x7feec631f8f3 # [ 61.498654] 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[ 71.524247] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 71.534513] lkdtm: attempting good copy_from_user inside whitelist [ 71.541432] lkdtm: attempting bad copy_from_user outside whitelist .525857] RSP: 002b:00007ffe35e90768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.540533] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007feec631f8f3 # [ 61.554724] RDX: 0000000000000016 RSI: 00007feec6212000 RDI: 0000000000000001 # [ 61.568913] RBP: 00007feec6212000 R08: 00007feec6211010 R09: 0000000000000000 # [ 61.583106] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.597298] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.611495] irq event stamp: 0 # [ 61.621115] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 61.634334] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 61.649689] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.665041] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.678259] ---[ end trace c2affdc28f4efba1 ]--- # [ 61.689631] 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 # [ 61.804381] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 61.813292] lkdtm: attempting good refcount_add() without overflow # [ [ 71.671279] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 71.679562] lkdtm: good_stack: ffffb4c343507e20-ffffb4c343507e40 [ 71.686307] lkdtm: bad_stack : ffffb4c343507da8-ffffb4c343507dc8 [ 71.693056] lkdtm: attempting good copy_to_user of local stack [ 71.699606] lkdtm: attempting bad copy_to_user of distant stack 61.826449] lkdtm: attempting bad refcount_add() overflow # [ 61.838662] ------------[ cut here ]------------ # [ 61.850059] refcount_t: saturated; leaking memory. # [ 61.861639] WARNING: CPU: 0 PID: 2097 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.877291] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.909934] CPU: 0 PID: 2097 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 61.924784] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.937804] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.949897] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 # [ 61.977093] RSP: 0018:ffffb4c3429afe48 EFLAGS: 00010286 # [ 61.989162] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.003343] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 [ 71.823278] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 62.017572] RBP: ffffffffbc6bc373 R08: 0000000000000000 R0[ 71.831477] lkdtm: good_stack: ffffb4c34356fe20-ffffb4c34356fe40 9: 0000000000000000 # [ 62.031733] R10: 00000000ffffe000 R11:[ 71.844407] lkdtm: bad_stack : ffffb4c34356fda8-ffffb4c34356fdc8 3fffffffffffffff R12: 0000000000000016 # [ 62.045925] R13: f[ 71.857372] lkdtm: attempting good copy_from_user of local stack fffb4c3429aff10 R14: ffffb4c3429aff10 R15: ffff930384039000 # [[ 71.870289] lkdtm: attempting bad copy_from_user of distant stack 62.060123] FS: 00007f125022e580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 62.075367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.088005] CR2: 00007f1250037000 CR3: 00000001027ba006 CR4: 00000000003706f0 # [ 62.102182] Call Trace: # [ 62.111151] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.122713] direct_entry.cold+0x2c/0x38 # [ 62.133322] full_proxy_write+0x53/0x80 # [ 62.143806] vfs_write+0xe7/0x3a0 # [ 62.153751] ksys_write+0x68/0xf0 # [ 62.163661] do_syscall_64+0x30/0x40 # [ 62.173869] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.185713] RIP: 0033:0x7f12501448f3 # [ 62.195907] 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 # [ 62.223108] RSP: 002b:00007ffd8f230c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.237769] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f12501448f3 # [ 62.251980] RDX: 0000000000000016 RSI: 00007f1250037000 RDI: 0000000000000001 # [ 62.266189] RBP: 00007f1250037000 R08: 00007f1250036010 R09: 0000000000000000 # [ 62.280387] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00000[ 72.005564] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 00000000001 # [ 62.294573] R13: 0000000000000001 R14: 0000000[ 72.014347] lkdtm: good_stack: ffffb4c343607e20-ffffb4c343607e40 000020000 R15: 0000000000020000 # [ 62.308770] irq event stam[ 72.027312] lkdtm: bad_stack : ffffb4c343607ff8-ffffb4c343608018 p: 0 # [ 62.318403] hardirqs last enabled at (0): [<00000000[ 72.040296] lkdtm: attempting good copy_to_user of local stack 00000000>] 0x0 # [ 62.331623] hardirqs last disabled at (0): [ 72.053072] lkdtm: attempting bad copy_to_user of distant stack [] copy_process+0x640/0x1c80 # [ 62.346959][ 72.065880] lkdtm: copy_to_user failed, but lacked Oops softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.362310] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.375536] ---[ end trace c2affdc28f4efba2 ]--- # [ 62.386903] 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 # [ 62.502310] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.511416] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.518334] ------------[ cut here ]------------ # [ 62.523501] refcount_t: saturated; leaking memory. # [ 62.535078] WARNING: CPU: 2 PID: 2129 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.550713] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.577188] CPU: 2 PID: 2129 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 62.592045] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.598872] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 62.604734] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc [ 72.202317] lkdtm: Performing direct entry USERCOPY_KERNEL [ 72.214731] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbc2d1270 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 0[ 72.223412] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbaee3580 [ 72.237970] lkdtm: FAIL: survived bad copy_to_user() 1 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 # [ 62.625724] RSP: 0018:ffffb4c342a3fe38 EFLAGS: 00010282 # [ 62.631561] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 62.639534] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 # [ 62.647526] RBP: ffffffffbc6bbfb0 R08: 0000000000000000 R09: 0000000000000000 # [ 62.655514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 62.663522] R13: ffffb4c342a3ff10 R14: ffffb4c342a3ff10 R15: ffff930384ec4000 # [ 62.671510] FS: 00007f30be62c580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 # [ 62.680583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.687003] CR2: 00007f30be435000 CR3: 00000001027be002 CR4: 00000000003706e0 # [ 62.694976] Call Trace: # [ 62.697708] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 62.703869] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 62.710093] direct_entry.cold+0x2c/0x38 # [ 62.714477] full_proxy_write+0x53/0x80 # [ 62.724976] vfs_write+0xe7/0x3a0 # [ 62.728700] ksys_write+0x68/0xf0 # [ 62.732402] do_syscall_64+0x30/0x40 # [ 62.736394] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.742036] RIP: 003[ 72.362184] lkdtm: Performing direct entry STACKLEAK_ERASING 3:0x7f30be5428f3 # [ 62.746028] Code: 8b 15 a1 25 0e 00 f7 d8[ 72.374312] lkdtm: checking unused part of the thread stack (15928 bytes)... 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 [ 72.388402] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55[ 72.402397] lkdtm: FAIL: the thread stack is NOT properly erased c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.767018] RSP[ 72.415358] CPU: 0 PID: 2966 Comm: cat Tainted: G D W 5.10.158-cip22 #1 [ 72.430164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.436970] Call Trace: [ 72.439703] dump_stack+0x77/0x9b [ 72.443409] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 72.448570] direct_entry.cold+0x2c/0x38 [ 72.452942] full_proxy_write+0x53/0x80 [ 72.457230] vfs_write+0xe7/0x3a0 [ 72.460932] ksys_write+0x68/0xf0 [ 72.464631] do_syscall_64+0x30/0x40 [ 72.468621] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.474253] RIP: 0033:0x7f9f8a9508f3 [ 72.478243] 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 [ 72.499223] RSP: 002b:00007ffc5d5a3bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.507681] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f8a9508f3 [ 72.515651] RDX: 0000000000000012 RSI: 00007f9f8a843000 RDI: 0000000000000001 [ 72.523621] RBP: 00007f9f8a843000 R08: 00007f9f8a842010 R09: 0000000000000000 [ 72.531594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.539557] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 : 002b:00007ffedad52998 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.775478] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f30be5428f3 # [ 62.783473] RDX: 000000000000001f RSI: 00007f30be435000 RDI: 0000000000000001 # [ 62.791449] RBP: 00007f30be435000 R08: 00007f30be434010 R09: 0000000000000000 # [ 62.805634] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.813608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.821586] irq event stamp: 0 # [ 62.825024] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.832027] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.841167] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.850304] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.857307] ---[ end trace c2affdc28f4efba3 ]--- # [ 62.862465] 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 # [ 62.994504] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW # [ 63.005719] lkdtm: attempting bad refcount_add_not_zero() overflow # [ 63.018846] ------------[ cut here ]----[ 72.671996] lkdtm: Performing direct entry CFI_FORWARD_PROTO -------- # [ 63.030218] refcount_t: saturated; leaking memory[ 72.684536] lkdtm: Calling matched prototype ... . # [ 63.041816] WARNING: CPU: 1 PID: 2161 at lib/refcount.c:[ 72.695947] lkdtm: Calling mismatched prototype ... 19 refcount_warn_saturate+0x97/0x110 # [ 63.057458] Modules l[ 72.707600] lkdtm: Fail: survived mismatched prototype function call! inked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.090082] CPU: 1 PID: 2161 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 63.104953] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.117982] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.130036] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 # [ 63.157244] RSP: 0018:ffffb4c342ac7e38 EFLAGS: 00010282 # [ 63.169298] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.183490] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 63.197681] RBP: ffffffffbc6bbfd0 R08: 0000000000000000 R09: 0000000000000000 # [ 63.211873] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.226065] R13: ffffb4c342ac7f10 R14: ffffb4c342ac7f10 R15: ffff9303834cb000 # [ 63.240257] FS: 00007f952781b580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 63.255524] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.268163] CR2: 00007f9527624000 CR3: 0000000103c0e001 CR4: 00000000003706e0 # [ 63.282356] Call Trace: # [ 63.291308] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.303651] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.316092] direct_entry.cold+0x2c/0x38 # [ 63.326690] full_proxy_write+0x53/0x80 # [ 63.337190] vfs_write+0xe7/0x3a0 # [ 63.347107] ksys_write+0x68/0xf0 # [ 63.357024] do_syscall_64+0x30/0x40 # [ 63.367231] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.379091] RIP: 0033:0x7f95277318f3 # [ 63.389299] 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 # [ 63.416501] RSP: 002b:00007ffc7a4485b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.431177] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f95277318f3 # [ 63.445368] RDX: 000000000000001f RSI: 00007f9527624000 RDI: 0000000000000001 # [ 63.459559] RBP: 00007f9527624000 R08: 00007f9527623010 R09: 0000000000000000 # [ 63.473749] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.487941] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.502139] irq event stamp: 0 # [ 63.511760] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.524981] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.540335] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.555691] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.568907] ---[ end trace c2affdc28f4efba4 ]--- # [ 63.580281] 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 # [ 63.698490] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 63.709755] lkdtm: attempting good refcount_dec() # [ 63.715010] lkdtm: attempting bad refcount_dec() to zero # [ 63.720946] ------------[ cut here ]------------ # [ 63.726103] refcount_t: decrement hit 0; leaking memory. # [ 63.732050] WARNING: CPU: 3 PID: 2193 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 63.741489] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.774144] CPU: 3 PID: 2193 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 63.782820] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.789629] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 63.795475] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 63.822681] RSP: 0018:ffffb4c342b4fe48 EFLAGS: 00010286 # [ 63.828526] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 63.836503] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 63.850692] RBP: ffffffffbc6bc389 R08: 0000000000000000 R09: 0000000000000000 # [ 63.858697] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 63.866673] R13: ffffb4c342b4ff10 R14: ffffb4c342b4ff10 R15: ffff9303828ea000 # [ 63.874649] FS: 00007f51a1a50580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 63.883694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.890138] CR2: 00007f51a1859000 CR3: 0000000105ae8001 CR4: 00000000003706e0 # [ 63.898127] Call Trace: # [ 63.907066] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 63.912062] direct_entry.cold+0x2c/0x38 # [ 63.922651] full_proxy_write+0x53/0x80 # [ 63.926969] vfs_write+0xe7/0x3a0 # [ 63.930700] ksys_write+0x68/0xf0 # [ 63.934404] do_syscall_64+0x30/0x40 # [ 63.938426] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.944070] RIP: 0033:0x7f51a19668f3 # [ 63.948084] 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 # [ 63.969076] RSP: 002b:00007ffe71108e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.977567] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f51a19668f3 # [ 63.985543] RDX: 0000000000000012 RSI: 00007f51a1859000 RDI: 0000000000000001 # [ 63.993538] RBP: 00007f51a1859000 R08: 00007f51a1858010 R09: 0000000000000000 # [ 64.001527] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.009538] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.017532] irq event stamp: 0 # [ 64.020974] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.027980] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.037150] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.046291] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.053293] ---[ end trace c2affdc28f4efba5 ]--- # [ 64.058470] 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 # [ 64.200615] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.212858] lkdtm: attempting bad refcount_dec() below zero # [ 64.225319] ------------[ cut here ]------------ # [ 64.236699] refcount_t: decrement hit 0; leaking memory. # [ 64.248891] WARNING: CPU: 0 PID: 2228 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.264543] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.297176] CPU: 0 PID: 2228 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 64.312067] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.325094] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 64.337157] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.364390] RSP: 0018:ffffb4c342bffe48 EFLAGS: 00010286 # [ 64.376467] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 64.390636] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 # [ 64.404848] RBP: ffffffffbc6bc39b R08: 0000000000000000 R09: 0000000000000000 # [ 64.419007] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 64.433241] R13: ffffb4c342bfff10 R14: ffffb4c342bfff10 R15: ffff9303827af000 # [ 64.447428] FS: 00007efc9b383580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 64.462695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.475324] CR2: 00007efc9b18c000 CR3: 0000000104d68002 CR4: 00000000003706f0 # [ 64.489537] Call Trace: # [ 64.498511] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 64.510055] direct_entry.cold+0x2c/0x38 # [ 64.520697] full_proxy_write+0x53/0x80 # [ 64.531184] vfs_write+0xe7/0x3a0 # [ 64.541115] ksys_write+0x68/0xf0 # [ 64.551018] do_syscall_64+0x30/0x40 # [ 64.561230] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.573090] RIP: 0033:0x7efc9b2998f3 # [ 64.583312] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.610503] RSP: 002b:00007ffc0e405f88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.625204] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007efc9b2998f3 # [ 64.639383] RDX: 0000000000000016 RSI: 00007efc9b18c000 RDI: 0000000000000001 # [ 64.653606] RBP: 00007efc9b18c000 R08: 00007efc9b18b010 R09: 0000000000000000 # [ 64.667775] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 64.681970] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.696158] irq event stamp: 0 # [ 64.705785] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.719006] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.734368] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.749725] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.762958] ---[ end trace c2affdc28f4efba6 ]--- # [ 64.774327] 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 # [ 64.909020] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 64.917480] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 64.924589] ------------[ cut here ]------------ # [ 64.935957] refcount_t: underflow; use-after-free. # [ 64.941360] WARNING: CPU: 3 PID: 2263 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 64.950797] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.983443] CPU: 3 PID: 2263 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 64.992126] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.998934] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.004774] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.025764] RSP: 0018:ffffb4c342c87e40 EFLAGS: 00010286 # [ 65.031602] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 65.039578] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 65.047553] RBP: ffffffffbc6bbff0 R08: 0000000000000000 R09: 0000000000000000 # [ 65.055529] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.069718] R13: ffffb4c342c87f10 R14: ffffb4c342c87f10 R15: ffff930384f3c000 # [ 65.083912] FS: 00007fafaf38f580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 65.092955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.099375] CR2: 00007fafaf198000 CR3: 00000001033b2002 CR4: 00000000003706e0 # [ 65.107350] Call Trace: # [ 65.110083] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.116243] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 65.122500] direct_entry.cold+0x2c/0x38 # [ 65.126928] full_proxy_write+0x53/0x80 # [ 65.131223] vfs_write+0xe7/0x3a0 # [ 65.141132] ksys_write+0x68/0xf0 # [ 65.144833] do_syscall_64+0x30/0x40 # [ 65.148849] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.154494] RIP: 0033:0x7fafaf2a58f3 # [ 65.158486] 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 # [ 65.185693] RSP: 002b:00007fffc43460b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.194152] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fafaf2a58f3 # [ 65.202126] RDX: 000000000000001f RSI: 00007fafaf198000 RDI: 0000000000000001 # [ 65.210100] RBP: 00007fafaf198000 R08: 00007fafaf197010 R09: 0000000000000000 # [ 65.218073] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.226047] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.234026] irq event stamp: 0 # [ 65.237460] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.250675] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.259813] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.268954] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.275957] ---[ end trace c2affdc28f4efba7 ]--- # [ 65.281115] 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 # [ 65.398911] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 65.412043] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 65.419172] ------------[ cut here ]------------ # [ 65.424330] refcount_t: underflow; use-after-free. # [ 65.435909] WARNING: CPU: 3 PID: 2298 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.451546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.484253] CPU: 3 PID: 2298 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 65.492921] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.505935] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.511773] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.532764] RSP: 0018:ffffb4c342cffe40 EFLAGS: 00010286 # [ 65.538603] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 65.546578] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 65.554551] RBP: ffffffffbc6bc010 R08: 0000000000000000 R09: 0000000000000000 # [ 65.562525] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.570511] R13: ffffb4c342cfff10 R14: ffffb4c342cfff10 R15: ffff93038347a000 # [ 65.578524] FS: 00007fad45b7b580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 65.587566] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.593986] CR2: 00007fad45984000 CR3: 0000000100ff2002 CR4: 00000000003706e0 # [ 65.601959] Call Trace: # [ 65.604692] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.610855] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 65.617107] direct_entry.cold+0x2c/0x38 # [ 65.621522] full_proxy_write+0x53/0x80 # [ 65.625833] vfs_write+0xe7/0x3a0 # [ 65.629564] ksys_write+0x68/0xf0 # [ 65.633268] do_syscall_64+0x30/0x40 # [ 65.637285] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.642930] RIP: 0033:0x7fad45a918f3 # [ 65.646922] 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 # [ 65.667912] RSP: 002b:00007ffcbe920028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.676372] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fad45a918f3 # [ 65.684345] RDX: 000000000000001f RSI: 00007fad45984000 RDI: 0000000000000001 # [ 65.692319] RBP: 00007fad45984000 R08: 00007fad45983010 R09: 0000000000000000 # [ 65.700294] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.714485] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.722464] irq event stamp: 0 # [ 65.725898] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.732903] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.742066] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.751206] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.758210] ---[ end trace c2affdc28f4efba8 ]--- # [ 65.763368] 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 # [ 65.878094] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 65.886674] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 65.893807] lkdtm: Good: zero detected # [ 65.898023] lkdtm: Correctly stayed at zero # [ 65.902697] lkdtm: attempting bad refcount_inc() from zero # [ 65.908826] ------------[ cut here ]------------ # [ 65.913983] refcount_t: addition on 0; use-after-free. # [ 65.919750] WARNING: CPU: 3 PID: 2330 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 65.929187] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.961827] CPU: 3 PID: 2330 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 65.970526] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.977337] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 65.983207] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 bc c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 # [ 66.010415] RSP: 0018:ffffb4c342d97e48 EFLAGS: 00010286 # [ 66.016281] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 66.024278] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 66.032264] RBP: ffffffffbc6bc3b1 R08: 0000000000000000 R09: 0000000000000000 # [ 66.046442] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.054416] R13: ffffb4c342d97f10 R14: ffffb4c342d97f10 R15: ffff930383b46000 # [ 66.062391] FS: 00007ff12ef8f580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 66.071434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.077853] CR2: 00007ff12ed98000 CR3: 0000000104820003 CR4: 00000000003706e0 # [ 66.085826] Call Trace: # [ 66.088557] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 66.093551] direct_entry.cold+0x2c/0x38 # [ 66.097956] full_proxy_write+0x53/0x80 # [ 66.102241] vfs_write+0xe7/0x3a0 # [ 66.105973] ksys_write+0x68/0xf0 # [ 66.109675] do_syscall_64+0x30/0x40 # [ 66.113667] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.119311] RIP: 0033:0x7ff12eea58f3 # [ 66.123303] 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 # [ 66.144294] RSP: 002b:00007ffdfeeb10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.152755] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff12eea58f3 # [ 66.160729] RDX: 0000000000000012 RSI: 00007ff12ed98000 RDI: 0000000000000001 # [ 66.168703] RBP: 00007ff12ed98000 R08: 00007ff12ed97010 R09: 0000000000000000 # [ 66.176679] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.184653] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.192632] irq event stamp: 0 # [ 66.196065] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.209278] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.218420] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.227560] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.234563] ---[ end trace c2affdc28f4efba9 ]--- # [ 66.239721] 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 # [ 66.358604] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 66.368887] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 66.382253] lkdtm: Good: zero detected # [ 66.392680] lkdtm: Correctly stayed at zero # [ 66.403557] lkdtm: attempting bad refcount_add() from zero # [ 66.415983] ------------[ cut here ]------------ # [ 66.427332] refcount_t: addition on 0; use-after-free. # [ 66.439362] WARNING: CPU: 0 PID: 2362 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 66.454944] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.487627] CPU: 0 PID: 2362 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 66.502501] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.515568] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 66.527586] Code: 01 01 e8 39 86 98 00 0f 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 bc c6 05 fb 3a 94 01 01 e8 16 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 # [ 66.554800] RSP: 0018:ffffb4c342dffe48 EFLAGS: 00010286 # [ 66.566845] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 66.581033] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 # [ 66.595210] RBP: ffffffffbc6bc3c3 R08: 0000000000000000 R09: 0000000000000000 # [ 66.609423] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 66.623600] R13: ffffb4c342dfff10 R14: ffffb4c342dfff10 R15: ffff930383418000 # [ 66.637804] FS: 00007ff6a8376580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 66.653053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.665699] CR2: 00007ff6a817f000 CR3: 0000000103c98006 CR4: 00000000003706f0 # [ 66.679875] Call Trace: # [ 66.688847] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 66.700008] direct_entry.cold+0x2c/0x38 # [ 66.710610] full_proxy_write+0x53/0x80 # [ 66.721099] vfs_write+0xe7/0x3a0 # [ 66.731030] ksys_write+0x68/0xf0 # [ 66.740934] do_syscall_64+0x30/0x40 # [ 66.751162] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.763008] RIP: 0033:0x7ff6a828c8f3 # [ 66.773228] 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 # [ 66.800426] RSP: 002b:00007ffced5f0a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.815118] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007ff6a828c8f3 # [ 66.829287] RDX: 0000000000000012 RSI: 00007ff6a817f000 RDI: 0000000000000001 # [ 66.843500] RBP: 00007ff6a817f000 R08: 00007ff6a817e010 R09: 0000000000000000 # [ 66.857677] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.871890] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.886070] irq event stamp: 0 # [ 66.895710] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.908917] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.924291] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.939633] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.952861] ---[ end trace c2affdc28f4efbaa ]--- # [ 66.964234] 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 # [ 67.093581] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 67.106200] lkdtm: attempting bad refcount_inc() from saturated # [ 67.112870] ------------[ cut here ]------------ # [ 67.118040] refcount_t: saturated; leaking memory. # [ 67.129629] WARNING: CPU: 2 PID: 2397 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 67.139069] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.171714] CPU: 2 PID: 2397 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 67.180401] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.187213] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 67.193054] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 # [ 67.214075] RSP: 0018:ffffb4c342e77e48 EFLAGS: 00010286 # [ 67.219917] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 67.227922] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 # [ 67.235899] RBP: ffffffffbc6bc3d5 R08: 0000000000000000 R09: 0000000000000000 # [ 67.243905] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.251880] R13: ffffb4c342e77f10 R14: ffffb4c342e77f10 R15: ffff9303858fa000 # [ 67.266071] FS: 00007f95b23d0580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 # [ 67.281330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.293968] CR2: 00007f95b21d9000 CR3: 00000001059b0006 CR4: 00000000003706e0 # [ 67.308162] Call Trace: # [ 67.310903] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 67.316362] direct_entry.cold+0x2c/0x38 # [ 67.320753] full_proxy_write+0x53/0x80 # [ 67.325047] vfs_write+0xe7/0x3a0 # [ 67.328756] ksys_write+0x68/0xf0 # [ 67.332467] do_syscall_64+0x30/0x40 # [ 67.336462] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.348317] RIP: 0033:0x7f95b22e68f3 # [ 67.358528] 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 # [ 67.379521] RSP: 002b:00007ffc6d9d4fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.394191] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f95b22e68f3 # [ 67.402165] RDX: 0000000000000017 RSI: 00007f95b21d9000 RDI: 0000000000000001 # [ 67.416351] RBP: 00007f95b21d9000 R08: 00007f95b21d8010 R09: 0000000000000000 # [ 67.428210] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.442400] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.452329] irq event stamp: 0 # [ 67.461949] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.468957] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.479839] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.488983] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.496176] ---[ end trace c2affdc28f4efbab ]--- # [ 67.501335] 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 # [ 67.630208] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 67.638292] lkdtm: attempting bad refcount_dec() from saturated # [ 67.644937] ------------[ cut here ]------------ # [ 67.650093] refcount_t: decrement hit 0; leaking memory. # [ 67.656056] WARNING: CPU: 3 PID: 2432 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 67.671714] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.704357] CPU: 3 PID: 2432 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 67.713012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.719821] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 67.725680] Code: 30 7c 65 bc c6 05 8b 3a 94 01 01 e8 a9 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 00 7c 65 bc c6 05 72 3a 94 01 01 e8 8f 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 67.746683] RSP: 0018:ffffb4c342ecfe48 EFLAGS: 00010286 # [ 67.758726] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 67.766699] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 67.774672] RBP: ffffffffbc6bc3ec R08: 0000000000000000 R09: 0000000000000000 # [ 67.782646] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 67.790618] R13: ffffb4c342ecff10 R14: ffffb4c342ecff10 R15: ffff93038320e000 # [ 67.798606] FS: 00007fb51680d580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 67.807679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.814099] CR2: 00007fb516616000 CR3: 0000000103236003 CR4: 00000000003706e0 # [ 67.822071] Call Trace: # [ 67.824804] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 67.830285] direct_entry.cold+0x2c/0x38 # [ 67.834691] full_proxy_write+0x53/0x80 # [ 67.838975] vfs_write+0xe7/0x3a0 # [ 67.842701] ksys_write+0x68/0xf0 # [ 67.846402] do_syscall_64+0x30/0x40 # [ 67.850418] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.856063] RIP: 0033:0x7fb5167238f3 # [ 67.860055] 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 # [ 67.881041] RSP: 002b:00007ffe50474378 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.889516] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007fb5167238f3 # [ 67.897521] RDX: 0000000000000017 RSI: 00007fb516616000 RDI: 0000000000000001 # [ 67.911712] RBP: 00007fb516616000 R08: 00007fb516615010 R09: 0000000000000000 # [ 67.919686] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.933874] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.941853] irq event stamp: 0 # [ 67.945286] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.958506] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.967650] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.976792] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.983793] ---[ end trace c2affdc28f4efbac ]--- # [ 67.988950] 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 # [ 68.113511] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 68.125925] lkdtm: attempting bad refcount_dec() from saturated # [ 68.132576] ------------[ cut here ]------------ # [ 68.137765] refcount_t: saturated; leaking memory. # [ 68.143146] WARNING: CPU: 2 PID: 2467 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.152581] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.185225] CPU: 2 PID: 2467 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 68.193910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.200720] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.206581] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d 2f 3b 94 01 00 75 ee 48 c7 c7 80 7b 65 bc c6 05 1f 3b 94 01 01 e8 39 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 0b 3b 94 01 00 75 cb 48 c7 c7 a8 7b 65 # [ 68.227572] RSP: 0018:ffffb4c342f7fe48 EFLAGS: 00010286 # [ 68.233411] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 68.247606] RDX: ffff9303fad2c660 RSI: ffff9303fad1bf70 RDI: ffff9303fad1bf70 # [ 68.255609] RBP: ffffffffbc6bc403 R08: 0000000000000000 R09: 0000000000000000 # [ 68.263581] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.271554] R13: ffffb4c342f7ff10 R14: ffffb4c342f7ff10 R15: ffff9303864c9000 # [ 68.279528] FS: 00007f25292f9580(0000) GS:ffff9303fad00000(0000) knlGS:0000000000000000 # [ 68.288591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.295022] CR2: 00007f2529102000 CR3: 0000000103326005 CR4: 00000000003706e0 # [ 68.309205] Call Trace: # [ 68.311935] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 68.317416] direct_entry.cold+0x2c/0x38 # [ 68.321799] full_proxy_write+0x53/0x80 # [ 68.326107] vfs_write+0xe7/0x3a0 # [ 68.329833] ksys_write+0x68/0xf0 # [ 68.333535] do_syscall_64+0x30/0x40 # [ 68.337553] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.343197] RIP: 0033:0x7f252920f8f3 # [ 68.347189] 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 # [ 68.368181] RSP: 002b:00007ffd12ff6f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.376642] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f252920f8f3 # [ 68.384616] RDX: 0000000000000017 RSI: 00007f2529102000 RDI: 0000000000000001 # [ 68.392590] RBP: 00007f2529102000 R08: 00007f2529101010 R09: 0000000000000000 # [ 68.400563] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.408535] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.416526] irq event stamp: 0 # [ 68.419965] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.426968] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.436109] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.445248] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.452250] ---[ end trace c2affdc28f4efbad ]--- # [ 68.457407] 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 # [ 68.579285] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 68.589080] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 68.596582] ------------[ cut here ]------------ # [ 68.607949] refcount_t: saturated; leaking memory. # [ 68.619527] WARNING: CPU: 3 PID: 2499 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 68.635167] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.661632] CPU: 3 PID: 2499 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 68.676514] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.683361] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 68.689229] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 # [ 68.716427] RSP: 0018:ffffb4c343007e38 EFLAGS: 00010282 # [ 68.722267] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 68.730242] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 68.738217] RBP: ffffffffbc6bc030 R08: 0000000000000000 R09: 0000000000000000 # [ 68.746193] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 68.754167] R13: ffffb4c343007f10 R14: ffffb4c343007f10 R15: ffff930385902000 # [ 68.762141] FS: 00007f3b4fea9580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 68.771184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.777605] CR2: 00007f3b4fcb2000 CR3: 0000000103c60004 CR4: 00000000003706e0 # [ 68.785580] Call Trace: # [ 68.788314] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 68.794484] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 68.800805] direct_entry.cold+0x2c/0x38 # [ 68.811398] full_proxy_write+0x53/0x80 # [ 68.815713] vfs_write+0xe7/0x3a0 # [ 68.819440] ksys_write+0x68/0xf0 # [ 68.823166] do_syscall_64+0x30/0x40 # [ 68.827157] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.832803] RIP: 0033:0x7f3b4fdbf8f3 # [ 68.836827] 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 # [ 68.857815] RSP: 002b:00007fff385992b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.866303] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3b4fdbf8f3 # [ 68.874279] RDX: 0000000000000020 RSI: 00007f3b4fcb2000 RDI: 0000000000000001 # [ 68.882255] RBP: 00007f3b4fcb2000 R08: 00007f3b4fcb1010 R09: 0000000000000000 # [ 68.890231] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.904420] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.912399] irq event stamp: 0 # [ 68.922016] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.929021] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.938159] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.947300] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.954303] ---[ end trace c2affdc28f4efbae ]--- # [ 68.959476] 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 # [ 69.091192] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 69.103741] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 69.117480] ------------[ cut here ]------------ # [ 69.128843] refcount_t: saturated; leaking memory. # [ 69.140423] WARNING: CPU: 0 PID: 2531 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.156062] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.188726] CPU: 0 PID: 2531 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 69.203571] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.216615] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.228710] Code: 01 01 e8 16 86 98 00 0f 0b c3 cc cc cc cc 80 3d ea 3a 94 01 00 75 a8 48 c7 c7 80 7b 65 bc c6 05 da 3a 94 01 01 e8 f3 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 # [ 69.255896] RSP: 0018:ffffb4c34303fe38 EFLAGS: 00010282 # [ 69.267942] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.282147] RDX: ffff9303fac2c660 RSI: ffff9303fac1bf70 RDI: ffff9303fac1bf70 # [ 69.296342] RBP: ffffffffbc6bc050 R08: 0000000000000000 R09: 0000000000000000 # [ 69.310514] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.324704] R13: ffffb4c34303ff10 R14: ffffb4c34303ff10 R15: ffff930386456000 # [ 69.338890] FS: 00007fac2b81b580(0000) GS:ffff9303fac00000(0000) knlGS:0000000000000000 # [ 69.354152] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.366785] CR2: 00007fac2b624000 CR3: 0000000103266005 CR4: 00000000003706f0 # [ 69.380981] Call Trace: # [ 69.389932] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.402304] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.414826] direct_entry.cold+0x2c/0x38 # [ 69.425435] full_proxy_write+0x53/0x80 # [ 69.435926] vfs_write+0xe7/0x3a0 # [ 69.445870] ksys_write+0x68/0xf0 # [ 69.455787] do_syscall_64+0x30/0x40 # [ 69.465993] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.477856] RIP: 0033:0x7fac2b7318f3 # [ 69.488074] 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 # [ 69.515296] RSP: 002b:00007fff4e43d768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.529993] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fac2b7318f3 # [ 69.544152] RDX: 0000000000000020 RSI: 00007fac2b624000 RDI: 0000000000000001 # [ 69.558338] RBP: 00007fac2b624000 R08: 00007fac2b623010 R09: 0000000000000000 # [ 69.572546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.586723] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.600941] irq event stamp: 0 # [ 69.610556] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.623784] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.639136] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.654496] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.667723] ---[ end trace c2affdc28f4efbaf ]--- # [ 69.679088] 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 # [ 69.812296] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 69.823115] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 69.836823] ------------[ cut here ]------------ # [ 69.848198] refcount_t: underflow; use-after-free. # [ 69.859794] WARNING: CPU: 1 PID: 2566 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.875416] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.908060] CPU: 1 PID: 2566 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 69.922929] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.935958] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.948018] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.975239] RSP: 0018:ffffb4c3430f7e40 EFLAGS: 00010286 # [ 69.987273] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.001475] RDX: ffff9303facac660 RSI: ffff9303fac9bf70 RDI: ffff9303fac9bf70 # [ 70.015665] RBP: ffffffffbc6bc070 R08: 0000000000000000 R09: 0000000000000000 # [ 70.023640] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.037823] R13: ffffb4c3430f7f10 R14: ffffb4c3430f7f10 R15: ffff930385bb4000 # [ 70.045798] FS: 00007f5f56703580(0000) GS:ffff9303fac80000(0000) knlGS:0000000000000000 # [ 70.061053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.073692] CR2: 00007f5f5650c000 CR3: 00000001058ce006 CR4: 00000000003706e0 # [ 70.087885] Call Trace: # [ 70.090620] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.102957] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.115501] direct_entry.cold+0x2c/0x38 # [ 70.126097] full_proxy_write+0x53/0x80 # [ 70.136598] vfs_write+0xe7/0x3a0 # [ 70.146525] ksys_write+0x68/0xf0 # [ 70.156443] do_syscall_64+0x30/0x40 # [ 70.166677] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.178536] RIP: 0033:0x7f5f566198f3 # [ 70.188742] 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 # [ 70.215946] RSP: 002b:00007ffc80e08638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.230625] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f5f566198f3 # [ 70.238601] RDX: 0000000000000020 RSI: 00007f5f5650c000 RDI: 0000000000000001 # [ 70.252785] RBP: 00007f5f5650c000 R08: 00007f5f5650b010 R09: 0000000000000000 # [ 70.260761] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.274947] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.282929] irq event stamp: 0 # [ 70.292543] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.305762] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.321117] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.336474] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.349693] ---[ end trace c2affdc28f4efbb0 ]--- # [ 70.354852] 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 # [ 70.491400] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 70.505123] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 70.512628] ------------[ cut here ]------------ # [ 70.523990] refcount_t: underflow; use-after-free. # [ 70.535583] WARNING: CPU: 3 PID: 2601 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.545022] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_debugfs cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.577689] CPU: 3 PID: 2601 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 70.586357] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.599372] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.605211] Code: 01 01 e8 f3 85 98 00 0f 0b c3 cc cc cc cc 80 3d c4 3a 94 01 00 75 85 48 c7 c7 d8 7b 65 bc c6 05 b4 3a 94 01 01 e8 d0 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 9f 3a 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.626200] RSP: 0018:ffffb4c343187e40 EFLAGS: 00010286 # [ 70.632038] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 70.640011] RDX: ffff9303fadac660 RSI: ffff9303fad9bf70 RDI: ffff9303fad9bf70 # [ 70.647985] RBP: ffffffffbc6bc090 R08: 0000000000000000 R09: 0000000000000000 # [ 70.655958] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.663932] R13: ffffb4c343187f10 R14: ffffb4c343187f10 R15: ffff9303828ea000 # [ 70.671906] FS: 00007fae8e2dd580(0000) GS:ffff9303fad80000(0000) knlGS:0000000000000000 # [ 70.680947] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.687366] CR2: 00007fae8e0e6000 CR3: 0000000103c1a003 CR4: 00000000003706e0 # [ 70.695340] Call Trace: # [ 70.698072] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.704233] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 70.710584] direct_entry.cold+0x2c/0x38 # [ 70.714965] full_proxy_write+0x53/0x80 # [ 70.719275] vfs_write+0xe7/0x3a0 # [ 70.723001] ksys_write+0x68/0xf0 # [ 70.726704] do_syscall_64+0x30/0x40 # [ 70.730696] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.736340] RIP: 0033:0x7fae8e1f38f3 # [ 70.740333] 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 # [ 70.761322] RSP: 002b:00007fff45454c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.769782] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007fae8e1f38f3 # [ 70.777755] RDX: 0000000000000020 RSI: 00007fae8e0e6000 RDI: 0000000000000001 # [ 70.785729] RBP: 00007fae8e0e6000 R08: 00007fae8e0e5010 R09: 0000000000000000 # [ 70.793702] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 70.807893] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.822088] irq event stamp: 0 # [ 70.825521] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.838735] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.847890] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.857029] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.864032] ---[ end trace c2affdc28f4efbb1 ]--- # [ 70.869188] 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 # [ 71.056170] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.068287] lkdtm: attempting good copy_to_user of correct size # [ 71.081132] 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 # [ 71.228131] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 71.237671] lkdtm: attempting good copy_from_user of correct size # [ 71.244519] 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 # [ 71.369843] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 71.383146] lkdtm: attempting good copy_to_user inside whitelist # [ 71.389867] 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 # [ 71.524247] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 71.534513] lkdtm: attempting good copy_from_user inside whitelist # [ 71.541432] 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 # [ 71.671279] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 71.679562] lkdtm: good_stack: ffffb4c343507e20-ffffb4c343507e40 # [ 71.686307] lkdtm: bad_stack : ffffb4c343507da8-ffffb4c343507dc8 # [ 71.693056] lkdtm: attempting good copy_to_user of local stack # [ 71.699606] 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 # [ 71.823278] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 71.831477] lkdtm: good_stack: ffffb4c34356fe20-ffffb4c34356fe40 # [ 71.844407] lkdtm: bad_stack : ffffb4c34356fda8-ffffb4c34356fdc8 # [ 71.857372] lkdtm: attempting good copy_from_user of local stack # [ 71.870289] 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 # [ 72.005564] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.014347] lkdtm: good_stack: ffffb4c343607e20-ffffb4c343607e40 # [ 72.027312] lkdtm: bad_stack : ffffb4c343607ff8-ffffb4c343608018 # [ 72.040296] lkdtm: attempting good copy_to_user of local stack # [ 72.053072] lkdtm: attempting bad copy_to_user of distant stack # [ 72.065880] 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 # [ 72.202317] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 72.214731] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffbc2d1270 # [ 72.223412] lkdtm: attempting bad copy_to_user from kernel text: ffffffffbaee3580 # [ 72.237970] 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 # [ 72.362184] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 72.374312] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 72.388402] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 72.402397] lkdtm: FAIL: the thread stack is NOT properly erased # [ 72.415358] CPU: 0 PID: 2966 Comm: cat Tainted: G D W 5.10.158-cip22 #1 # [ 72.430164] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.436970] Call Trace: # [ 72.439703] dump_stack+0x77/0x9b # [ 72.443409] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 72.448570] direct_entry.cold+0x2c/0x38 # [ 72.452942] full_proxy_write+0x53/0x80 # [ 72.457230] vfs_write+0xe7/0x3a0 # [ 72.460932] ksys_write+0x68/0xf0 # [ 72.464631] do_syscall_64+0x30/0x40 # [ 72.468621] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.474253] RIP: 0033:0x7f9f8a9508f3 # [ 72.478243] 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 # [ 72.499223] RSP: 002b:00007ffc5d5a3bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.507681] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f8a9508f3 # [ 72.515651] RDX: 0000000000000012 RSI: 00007f9f8a843000 RDI: 0000000000000001 # [ 72.523621] RBP: 00007f9f8a843000 R08: 00007f9f8a842010 R09: 0000000000000000 # [ 72.531594] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.539557] 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 # [ 72.671996] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 72.684536] lkdtm: Calling matched prototype ... # [ 72.695947] lkdtm: Calling mismatched prototype ... # [ 72.707600] 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 / #