[Enter `^Ec?' for help] coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x0 / 0x0 Phase 2 Phase 3 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_report_dev_firmware() This is developer signed firmware FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_keyblock() Checking key block signature... FMAP: area VBLOCK_A found @ 200000 (65536 bytes) FMAP: area VBLOCK_A found @ 200000 (65536 bytes) VB2:vb2_verify_fw_preamble() Verifying preamble. Phase 4 FMAP: area FW_MAIN_A found @ 210000 (4030400 bytes) VB2:vb2api_init_hash() HW crypto for hash_alg 2 not supported, using SW VB2:vb2_rsa_verify_digest() Digest check failed! VB2:vb2_fail() Need recovery, reason: 0x1b / 0x7 Saving nvdata Reboot requested (10020007) board_reset() called! full_reset() called! coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: . done! TPM ready after 0 ms Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 tlcl_send_startup: Startup return code is 0 TPM: setup succeeded src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x1007 return code 0 Chrome EC: UHEPI supported Phase 1 FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area GBB found @ c11000 (978944 bytes) VB2:vb2_check_recovery() Recovery reason from previous boot: 0x1b / 0x7 VB2:vb2_check_recovery() We have a recovery request: 0x1b / 0x0 Recovery requested (1009000e) Saving nvdata tlcl_extend: response is 0 tlcl_extend: response is 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/romstage' CBFS: Found @ offset 80 size 10ffc coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 romstage starting... pm1_sts: 0100 pm1_en: 0000 pm1_cnt: 00001c00 gpe0_sts[0]: 00000000 gpe0_en[0]: 00000000 gpe0_sts[1]: 00000000 gpe0_en[1]: 00000000 gpe0_sts[2]: 00000001 gpe0_en[2]: 00000000 gpe0_sts[3]: 00000000 gpe0_en[3]: 00010000 TCO_STS: 0000 0000 GEN_PMCON: e0040200 0000523a GBLRST_CAUSE: 00000000 00000000 prev_sleep_state 5 Boot Count incremented to 34102 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fspm.bin' CBFS: Found @ offset 103fc0 size 63000 Chrome EC: UHEPI supported FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RECOVERY_MRC_CACHE found @ 9d0000 (65536 bytes) Probing TPM: done! Connected to device vid:did:rid of 1ae0:0028:00 Firmware version: B2-C:0 RO_B:0.0.11/4d655eab RW_A:0.5.6/cr50_v1.9308_87_mp.510-d2da4373 Initialized TPM device CR50 revision 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: Hash comparison successful. Using data from RECOVERY_MRC_CACHE MRC cache found, size 1868 bootmode is set to :2 SPD index 1 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'spd.bin' CBFS: Found @ offset 1a0240 size 800 SPD: module type is LPDDR3 SPD: module part is K4E8E324EB-EGCF SPD: banks 8, ranks 1, rows 15, columns 10, density 8192 Mb SPD: device width 32 bits, bus width 64 bits SPD: module size is 2048 MB (per channel) CBMEM: IMD: root @ 7afff000 254 entries. IMD: root @ 7affec00 62 entries. External stage cache: IMD: root @ 7b3ff000 254 entries. IMD: root @ 7b3fec00 62 entries. creating vboot_handoff structure Chrome EC: clear events_b mask to 0x0000000021004000 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 tlcl_write: response is 0 src/security/tpm/tss/tcg-2.0/tss.c:188 index 0x100b return code 0 MRC: TPM MRC hash updated successfully. 2 DIMMs found top_of_ram = 0x7b000000 MTRR Range: Start=7a000000 End=7b000000 (Size 1000000) MTRR Range: Start=7b000000 End=7b800000 (Size 800000) MTRR Range: Start=ff000000 End=0 (Size 1000000) CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/postcar' CBFS: Found @ offset 197000 size 3f04 Decompressing stage fallback/postcar @ 0x7abd0fc0 (32720 bytes) Loading module at 7abd1000 with entry 7abd1000. filesize: 0x3cd0 memsize: 0x7f90 Processing 118 relocs. Offset value of 0x78bd1000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 postcar starting... CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/ramstage' CBFS: Found @ offset e8d80 size 1a462 Decompressing stage fallback/ramstage @ 0x7ab05fc0 (826808 bytes) Loading module at 7ab06000 with entry 7ab06000. filesize: 0x38d90 memsize: 0xc9d78 Processing 3657 relocs. Offset value of 0x79d06000 coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 ramstage starting... FMAP: Found \"FLASH\" version 1.1 at c10000. FMAP: base = ff000000 size = 1000000 #areas = 33 FMAP: area RO_VPD found @ c00000 (16384 bytes) WARNING: RO_VPD is uninitialized or empty. FMAP: area RW_VPD found @ 9f8000 (8192 bytes) WARNING: RW_VPD is uninitialized or empty. Normal boot. BS: BS_PRE_DEVICE times (us): entry 0 run 30 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'cpu_microcode_blob.bin' CBFS: Found @ offset 11100 size d7c00 microcode: sig=0x806e9 pf=0x10 revision=0x97 Skip microcode update CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fsps.bin' CBFS: Found @ offset 167fc0 size 2f000 Detected 2 core, 4 thread CPU. Setting up SMI for CPU IED base = 0x7b400000 IED size = 0x00400000 Will perform SMM setup. CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz. Loading module at 00030000 with entry 00030000. filesize: 0x170 memsize: 0x170 Processing 16 relocs. Offset value of 0x00030000 Attempting to start 3 APs Waiting for 10ms after sending INIT. Waiting for 1st SIPI to complete...AP: slot 1 apic_id 1. done. AP: slot 3 apic_id 2. AP: slot 2 apic_id 3. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. Initializing CPU #0 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC... apic_id: 0x00 done. Turbo is available but hidden Turbo has been enabled SGX : param.enable = 0 Skip microcode update CPU #0 initialized Initializing CPU #1 Initializing CPU #3 Initializing CPU #2 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...CPU: vendor Intel device 806e9 CPU: family 06, model 8e, stepping 09 Setting up local APIC...Setting up local APIC... apic_id: 0x03 done. apic_id: 0x02 done. Skip microcode update Skip microcode update CPU #2 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #1 initialized bsp_do_flight_plan done after 226 msecs. CPU: frequency set to 3400 MHz Enabling SMIs. Locking SMM. VMX : param.enable = 1 VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked SGX: pre-conditions not met VMX status: enabled, unlocked VMX status: enabled, unlocked SGX: pre-conditions not met SGX: pre-conditions not met CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'vbt.bin' CBFS: Found @ offset 103a00 size 48e Found a VBT of 4608 bytes after decompression psys_pmax = 360 FMAP: area GBB found @ c11000 (978944 bytes) ITSS IRQ Polarities Before: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 ITSS IRQ Polarities After: IPC0: 0x00ff4000 IPC1: 0x00000007 IPC2: 0x00000000 IPC3: 0x00000000 Override DT after FSP-S, PCH is KBL/SKL PCH-LP SKU BS: BS_DEV_INIT_CHIPS times (us): entry 375986 run 170874 exit 0 Enumerating buses... Show all devs... Before device enumeration. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 00:5c: enabled 1 I2C: 00:15: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 DOMAIN: 0000: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 USB0 port 0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 I2C: 00:5c: enabled 1 PCI: 00:15.1: enabled 1 I2C: 00:15: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 I2C: 00:39: enabled 1 I2C: 00:3a: enabled 1 I2C: 00:1a: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 SPI: 00: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PNP: 0c09.0: enabled 1 PCI: 00:1f.1: enabled 1 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 Root Device scanning... root_dev_scan_bus for Root Device CPU_CLUSTER: 0 enabled DOMAIN: 0000 enabled DOMAIN: 0000 scanning... PCI: pci_scan_bus for bus 00 PCI: 00:00.0 [8086/0000] ops PCI: 00:00.0 [8086/590c] enabled PCI: 00:02.0 [8086/0000] ops PCI: 00:02.0 [8086/591c] enabled PCI: 00:04.0 [8086/1903] enabled PCI: 00:08.0 [8086/1911] enabled PCI: 00:14.0 [8086/0000] bus ops PCI: 00:14.0 [8086/9d2f] enabled PCI: 00:14.2 [8086/9d31] enabled PCI: 00:15.0 [8086/0000] bus ops PCI: 00:15.0 [8086/9d60] enabled PCI: 00:15.1 [8086/0000] bus ops PCI: 00:15.1 [8086/9d61] enabled PCI: 00:16.0 [8086/0000] ops PCI: 00:16.0 [8086/9d3a] enabled PCI: 00:19.0 [8086/0000] ops PCI: 00:19.0 [8086/9d66] enabled PCI: 00:19.1 [8086/0000] bus ops PCI: 00:19.1 [8086/9d65] enabled PCI: 00:1c.0 [8086/0000] bus ops PCI: 00:1c.0 [8086/9d10] enabled PCI: 00:1e.0 [8086/0000] ops PCI: 00:1e.0 [8086/9d27] enabled PCI: 00:1e.2 [8086/0000] bus ops PCI: 00:1e.2 [8086/9d29] enabled PCI: 00:1e.4 [8086/9d2b] enabled PCI: 00:1e.6 [8086/0000] ops PCI: 00:1e.6 [8086/9d2d] enabled PCI: 00:1f.0 [8086/0000] bus ops PCI: 00:1f.0 [8086/9d4b] enabled PCI: Static device PCI: 00:1f.1 not found, disabling it. PCI: 00:1f.2 [8086/0000] bus ops PCI: 00:1f.2 [8086/9d21] enabled PCI: 00:1f.3 [8086/0000] bus ops PCI: 00:1f.3 [8086/9d71] enabled PCI: 00:1f.4 [8086/0000] bus ops PCI: 00:1f.4 [8086/9d23] enabled PCI: 00:1f.5 [8086/0000] bus ops PCI: 00:1f.5 [8086/9d24] enabled PCI: 00:14.0 scanning... scan_usb_bus for PCI: 00:14.0 USB0 port 0 enabled USB0 port 0 scanning... scan_usb_bus for USB0 port 0 USB2 port 0 enabled USB2 port 1 enabled USB2 port 2 enabled USB2 port 4 enabled USB2 port 8 enabled USB2 port 0 scanning... scan_usb_bus for USB2 port 0 scan_usb_bus for USB2 port 0 done scan_bus: scanning of bus USB2 port 0 took 8964 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8972 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 8964 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 8972 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 8971 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90938 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107724 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 14144 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 14151 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 22356 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 53520 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 13863 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11317 usecs PCI: 00:1f.2 scanning... scan_lpc_bus for PCI: 00:1f.2 scan_lpc_bus for PCI: 00:1f.2 done scan_bus: scanning of bus PCI: 00:1f.2 took 9266 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 10040 usecs PCI: 00:1f.5 scanning... scan_generic_bus for PCI: 00:1f.5 scan_generic_bus for PCI: 00:1f.5 done scan_bus: scanning of bus PCI: 00:1f.5 took 10046 usecs scan_bus: scanning of bus DOMAIN: 0000 took 465906 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486008 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 825674 exit 39237 found VGA at PCI: 00:02.0 Setting up VGA for PCI: 00:02.0 Setting PCI_BRIDGE_CTL_VGA for bridge DOMAIN: 0000 Setting PCI_BRIDGE_CTL_VGA for bridge Root Device Allocating resources... Reading resources... Root Device read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 CPU_CLUSTER: 0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 PCI: 00:14.0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 USB0 port 0 read_resources bus 0 link: 0 done PCI: 00:14.0 read_resources bus 0 link: 0 done PCI: 00:15.0 read_resources bus 1 link: 0 PCI: 00:15.0 read_resources bus 1 link: 0 done PCI: 00:15.1 read_resources bus 2 link: 0 PCI: 00:15.1 read_resources bus 2 link: 0 done PCI: 00:19.1 read_resources bus 3 link: 0 PCI: 00:19.1 read_resources bus 3 link: 0 done PCI: 00:1c.0 read_resources bus 1 link: 0 PCI: 00:1c.0 read_resources bus 1 link: 0 done PCI: 00:1e.2 read_resources bus 4 link: 0 PCI: 00:1e.2 read_resources bus 4 link: 0 done PCI: 00:1f.0 read_resources bus 0 link: 0 PCI: 00:1f.0 read_resources bus 0 link: 0 done DOMAIN: 0000 read_resources bus 0 link: 0 done Root Device read_resources bus 0 link: 0 done Done reading resources. Show resources in subtree (Root Device)...After reading. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffff flags 40040100 index 10000000 DOMAIN: 0000 resource base 0 size 0 align 0 gran 0 limit ffffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base 0 size 1000000 align 24 gran 24 limit ffffffffffffffff flags 201 index 10 PCI: 00:02.0 resource base 0 size 10000000 align 28 gran 28 limit ffffffffffffffff flags 1201 index 18 PCI: 00:02.0 resource base 0 size 40 align 6 gran 6 limit ffff flags 100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base 0 size 8000 align 15 gran 15 limit ffffffffffffffff flags 201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base 0 size 0 align 12 gran 12 limit ffff flags 80102 index 1c PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffffffffffff flags 81202 index 24 PCI: 00:1c.0 resource base 0 size 0 align 20 gran 20 limit ffffffff flags 80202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base 0 size 2000 align 13 gran 13 limit ffffffffffffffff flags 201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base 0 size 1000 align 12 gran 12 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base 0 size 4000 align 14 gran 14 limit ffffffff flags 200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base 0 size 4000 align 14 gran 14 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.3 resource base 0 size 10000 align 16 gran 16 limit ffffffffffffffff flags 201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base 0 size 100 align 12 gran 8 limit ffffffffffffffff flags 201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base 0 size 1000 align 12 gran 12 limit ffffffff flags 200 index 10 PCI: 00:1f.6 DOMAIN: 0000 io: base: 0 size: 0 align: 0 gran: 0 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff PCI: 00:1c.0 io: base: 0 size: 0 align: 12 gran: 12 limit: ffff done PCI: 00:02.0 20 * [0x0 - 0x3f] io DOMAIN: 0000 io: base: 40 size: 40 align: 6 gran: 0 limit: ffff done DOMAIN: 0000 mem: base: 0 size: 0 align: 0 gran: 0 limit: ffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff PCI: 00:1c.0 prefmem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffffffffffff done PCI: 00:1c.0 mem: base: 0 size: 0 align: 20 gran: 20 limit: ffffffff PCI: 01:00.0 10 * [0x0 - 0x1fff] mem PCI: 00:1c.0 mem: base: 2000 size: 100000 align: 20 gran: 20 limit: ffffffff done PCI: 00:02.0 18 * [0x0 - 0xfffffff] prefmem PCI: 00:02.0 10 * [0x10000000 - 0x10ffffff] mem PCI: 00:1c.0 20 * [0x11000000 - 0x110fffff] mem PCI: 00:14.0 10 * [0x11100000 - 0x1110ffff] mem PCI: 00:1f.3 20 * [0x11110000 - 0x1111ffff] mem PCI: 00:04.0 10 * [0x11120000 - 0x11127fff] mem PCI: 00:1f.2 10 * [0x11128000 - 0x1112bfff] mem PCI: 00:1f.3 10 * [0x1112c000 - 0x1112ffff] mem PCI: 00:08.0 10 * [0x11130000 - 0x11130fff] mem PCI: 00:14.2 10 * [0x11131000 - 0x11131fff] mem PCI: 00:15.0 10 * [0x11132000 - 0x11132fff] mem PCI: 00:15.1 10 * [0x11133000 - 0x11133fff] mem PCI: 00:16.0 10 * [0x11134000 - 0x11134fff] mem PCI: 00:19.0 18 * [0x11135000 - 0x11135fff] mem PCI: 00:19.1 10 * [0x11136000 - 0x11136fff] mem PCI: 00:1e.0 10 * [0x11137000 - 0x11137fff] mem PCI: 00:1e.2 10 * [0x11138000 - 0x11138fff] mem PCI: 00:1e.4 10 * [0x11139000 - 0x11139fff] mem PCI: 00:1e.6 10 * [0x1113a000 - 0x1113afff] mem PCI: 00:1f.5 10 * [0x1113b000 - 0x1113bfff] mem PCI: 00:1f.4 10 * [0x1113c000 - 0x1113c0ff] mem DOMAIN: 0000 mem: base: 1113c100 size: 1113c100 align: 28 gran: 0 limit: ffffffff done avoid_fixed_resources: DOMAIN: 0000 avoid_fixed_resources:@DOMAIN: 0000 10000000 limit 0000ffff avoid_fixed_resources:@DOMAIN: 0000 10000100 limit ffffffff constrain_resources: PCI: 00:00.0 00 base e0000000 limit e3ffffff mem (fixed) constrain_resources: PCI: 00:00.0 08 base 00000000 limit 0009ffff mem (fixed) constrain_resources: PCI: 00:00.0 09 base 000c0000 limit 7affffff mem (fixed) constrain_resources: PCI: 00:00.0 0b base 7b000000 limit 7b7fffff mem (fixed) constrain_resources: PCI: 00:00.0 0c base 7b800000 limit 7fffffff mem (fixed) constrain_resources: PCI: 00:1f.0 00 base 00000000 limit 00000fff io (fixed) constrain_resources: PCI: 00:1f.2 40 base 00001800 limit 000018ff io (fixed) constrain_resources: PCI: 00:1f.4 20 base 0000efa0 limit 0000efbf io (fixed) avoid_fixed_resources:@DOMAIN: 0000 10000000 base 00001900 limit 0000ef9f avoid_fixed_resources:@DOMAIN: 0000 10000100 base c0000000 limit dfffffff Setting resources... DOMAIN: 0000 io: base:1900 size:40 align:6 gran:0 limit:ef9f PCI: 00:02.0 20 * [0x1c00 - 0x1c3f] io DOMAIN: 0000 io: next_base: 1c40 size: 40 align: 6 gran: 0 done PCI: 00:1c.0 io: base:ef9f size:0 align:12 gran:12 limit:ef9f PCI: 00:1c.0 io: next_base: ef9f size: 0 align: 12 gran: 12 done DOMAIN: 0000 mem: base:c0000000 size:1113c100 align:28 gran:0 limit:dfffffff PCI: 00:02.0 18 * [0xc0000000 - 0xcfffffff] prefmem PCI: 00:02.0 10 * [0xd0000000 - 0xd0ffffff] mem PCI: 00:1c.0 20 * [0xd1000000 - 0xd10fffff] mem PCI: 00:14.0 10 * [0xd1100000 - 0xd110ffff] mem PCI: 00:1f.3 20 * [0xd1110000 - 0xd111ffff] mem PCI: 00:04.0 10 * [0xd1120000 - 0xd1127fff] mem PCI: 00:1f.2 10 * [0xd1128000 - 0xd112bfff] mem PCI: 00:1f.3 10 * [0xd112c000 - 0xd112ffff] mem PCI: 00:08.0 10 * [0xd1130000 - 0xd1130fff] mem PCI: 00:14.2 10 * [0xd1131000 - 0xd1131fff] mem PCI: 00:15.0 10 * [0xd1132000 - 0xd1132fff] mem PCI: 00:15.1 10 * [0xd1133000 - 0xd1133fff] mem PCI: 00:16.0 10 * [0xd1134000 - 0xd1134fff] mem PCI: 00:19.0 18 * [0xd1135000 - 0xd1135fff] mem PCI: 00:19.1 10 * [0xd1136000 - 0xd1136fff] mem PCI: 00:1e.0 10 * [0xd1137000 - 0xd1137fff] mem PCI: 00:1e.2 10 * [0xd1138000 - 0xd1138fff] mem PCI: 00:1e.4 10 * [0xd1139000 - 0xd1139fff] mem PCI: 00:1e.6 10 * [0xd113a000 - 0xd113afff] mem PCI: 00:1f.5 10 * [0xd113b000 - 0xd113bfff] mem PCI: 00:1f.4 10 * [0xd113c000 - 0xd113c0ff] mem DOMAIN: 0000 mem: next_base: d113c100 size: 1113c100 align: 28 gran: 0 done PCI: 00:1c.0 prefmem: base:dfffffff size:0 align:20 gran:20 limit:dfffffff PCI: 00:1c.0 prefmem: next_base: dfffffff size: 0 align: 20 gran: 20 done PCI: 00:1c.0 mem: base:d1000000 size:100000 align:20 gran:20 limit:d10fffff PCI: 01:00.0 10 * [0xd1000000 - 0xd1001fff] mem PCI: 00:1c.0 mem: next_base: d1002000 size: 100000 align: 20 gran: 20 done Root Device assign_resources, bus 0 link: 0 DOMAIN: 0000 assign_resources, bus 0 link: 0 PCI: 00:02.0 10 <- [0x00d0000000 - 0x00d0ffffff] size 0x01000000 gran 0x18 mem64 PCI: 00:02.0 18 <- [0x00c0000000 - 0x00cfffffff] size 0x10000000 gran 0x1c prefmem64 PCI: 00:02.0 20 <- [0x0000001c00 - 0x0000001c3f] size 0x00000040 gran 0x06 io PCI: 00:04.0 10 <- [0x00d1120000 - 0x00d1127fff] size 0x00008000 gran 0x0f mem64 PCI: 00:08.0 10 <- [0x00d1130000 - 0x00d1130fff] size 0x00001000 gran 0x0c mem64 PCI: 00:14.0 10 <- [0x00d1100000 - 0x00d110ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.0 assign_resources, bus 0 link: 0 PCI: 00:14.2 10 <- [0x00d1131000 - 0x00d1131fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 10 <- [0x00d1132000 - 0x00d1132fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.0 assign_resources, bus 1 link: 0 PCI: 00:15.1 10 <- [0x00d1133000 - 0x00d1133fff] size 0x00001000 gran 0x0c mem64 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:15.1 assign_resources, bus 2 link: 0 PCI: 00:16.0 10 <- [0x00d1134000 - 0x00d1134fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.0 18 <- [0x00d1135000 - 0x00d1135fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 10 <- [0x00d1136000 - 0x00d1136fff] size 0x00001000 gran 0x0c mem64 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:19.1 assign_resources, bus 3 link: 0 PCI: 00:1c.0 1c <- [0x000000ef9f - 0x000000ef9e] size 0x00000000 gran 0x0c bus 01 io PCI: 00:1c.0 24 <- [0x00dfffffff - 0x00dffffffe] size 0x00000000 gran 0x14 bus 01 prefmem PCI: 00:1c.0 20 <- [0x00d1000000 - 0x00d10fffff] size 0x00100000 gran 0x14 bus 01 mem PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 01:00.0 10 <- [0x00d1000000 - 0x00d1001fff] size 0x00002000 gran 0x0d mem64 PCI: 00:1c.0 assign_resources, bus 1 link: 0 PCI: 00:1e.0 10 <- [0x00d1137000 - 0x00d1137fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 10 <- [0x00d1138000 - 0x00d1138fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.2 assign_resources, bus 4 link: 0 PCI: 00:1e.4 10 <- [0x00d1139000 - 0x00d1139fff] size 0x00001000 gran 0x0c mem64 PCI: 00:1e.6 10 <- [0x00d113a000 - 0x00d113afff] size 0x00001000 gran 0x0c mem64 PCI: 00:1f.0 assign_resources, bus 0 link: 0 PCI: 00:1f.0 assign_resources, bus 0 link: 0 LPC: Trying to open IO window from 800 size 1ff PCI: 00:1f.2 10 <- [0x00d1128000 - 0x00d112bfff] size 0x00004000 gran 0x0e mem PCI: 00:1f.3 10 <- [0x00d112c000 - 0x00d112ffff] size 0x00004000 gran 0x0e mem64 PCI: 00:1f.3 20 <- [0x00d1110000 - 0x00d111ffff] size 0x00010000 gran 0x10 mem64 PCI: 00:1f.4 10 <- [0x00d113c000 - 0x00d113c0ff] size 0x00000100 gran 0x08 mem64 PCI: 00:1f.5 10 <- [0x00d113b000 - 0x00d113bfff] size 0x00001000 gran 0x0c mem DOMAIN: 0000 assign_resources, bus 0 link: 0 Root Device assign_resources, bus 0 link: 0 Done setting resources. Show resources in subtree (Root Device)...After assigning values. Root Device child on link 0 CPU_CLUSTER: 0 CPU_CLUSTER: 0 child on link 0 APIC: 00 APIC: 00 APIC: 01 APIC: 03 APIC: 02 DOMAIN: 0000 child on link 0 PCI: 00:00.0 DOMAIN: 0000 resource base 1900 size 40 align 6 gran 0 limit ef9f flags 40040100 index 10000000 DOMAIN: 0000 resource base c0000000 size 1113c100 align 28 gran 0 limit dfffffff flags 40040200 index 10000100 PCI: 00:00.0 PCI: 00:00.0 resource base e0000000 size 4000000 align 0 gran 0 limit 0 flags f0000200 index 0 PCI: 00:00.0 resource base fed10000 size 8000 align 0 gran 0 limit 0 flags f0000200 index 1 PCI: 00:00.0 resource base fed18000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 2 PCI: 00:00.0 resource base fed19000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 3 PCI: 00:00.0 resource base fed84000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 4 PCI: 00:00.0 resource base fed80000 size 4000 align 0 gran 0 limit 0 flags f0000200 index 5 PCI: 00:00.0 resource base fed90000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 6 PCI: 00:00.0 resource base fed91000 size 1000 align 0 gran 0 limit 0 flags f0000200 index 7 PCI: 00:00.0 resource base 0 size a0000 align 0 gran 0 limit 0 flags e0004200 index 8 PCI: 00:00.0 resource base c0000 size 7af40000 align 0 gran 0 limit 0 flags e0004200 index 9 PCI: 00:00.0 resource base 7b000000 size 800000 align 0 gran 0 limit 0 flags f0004200 index b PCI: 00:00.0 resource base 7b800000 size 4800000 align 0 gran 0 limit 0 flags f0000200 index c PCI: 00:00.0 resource base 100000000 size 7f000000 align 0 gran 0 limit 0 flags e0004200 index d PCI: 00:00.0 resource base a0000 size 20000 align 0 gran 0 limit 0 flags f0000200 index e PCI: 00:00.0 resource base c0000 size 40000 align 0 gran 0 limit 0 flags f0004200 index f PCI: 00:02.0 PCI: 00:02.0 resource base d0000000 size 1000000 align 24 gran 24 limit d0ffffff flags 60000201 index 10 PCI: 00:02.0 resource base c0000000 size 10000000 align 28 gran 28 limit cfffffff flags 60001201 index 18 PCI: 00:02.0 resource base 1c00 size 40 align 6 gran 6 limit 1c3f flags 60000100 index 20 PCI: 00:04.0 PCI: 00:04.0 resource base d1120000 size 8000 align 15 gran 15 limit d1127fff flags 60000201 index 10 PCI: 00:08.0 PCI: 00:08.0 resource base d1130000 size 1000 align 12 gran 12 limit d1130fff flags 60000201 index 10 PCI: 00:14.0 child on link 0 USB0 port 0 PCI: 00:14.0 resource base d1100000 size 10000 align 16 gran 16 limit d110ffff flags 60000201 index 10 USB0 port 0 child on link 0 USB2 port 0 USB2 port 0 USB2 port 1 USB2 port 2 USB2 port 4 USB2 port 8 PCI: 00:14.1 PCI: 00:14.2 PCI: 00:14.2 resource base d1131000 size 1000 align 12 gran 12 limit d1131fff flags 60000201 index 10 PCI: 00:15.0 child on link 0 I2C: 01:5c PCI: 00:15.0 resource base d1132000 size 1000 align 12 gran 12 limit d1132fff flags 60000201 index 10 I2C: 01:5c PCI: 00:15.1 child on link 0 I2C: 02:15 PCI: 00:15.1 resource base d1133000 size 1000 align 12 gran 12 limit d1133fff flags 60000201 index 10 I2C: 02:15 PCI: 00:15.2 PCI: 00:15.3 PCI: 00:16.0 PCI: 00:16.0 resource base d1134000 size 1000 align 12 gran 12 limit d1134fff flags 60000201 index 10 PCI: 00:16.1 PCI: 00:16.2 PCI: 00:16.3 PCI: 00:16.4 PCI: 00:17.0 PCI: 00:19.0 PCI: 00:19.0 resource base fe034000 size 1000 align 12 gran 12 limit ffffffffffffffff flags c0000200 index 10 PCI: 00:19.0 resource base d1135000 size 1000 align 12 gran 12 limit d1135fff flags 60000201 index 18 PCI: 00:19.1 child on link 0 I2C: 03:39 PCI: 00:19.1 resource base d1136000 size 1000 align 12 gran 12 limit d1136fff flags 60000201 index 10 I2C: 03:39 I2C: 03:3a I2C: 03:1a PCI: 00:19.2 PCI: 00:1c.0 child on link 0 PCI: 01:00.0 PCI: 00:1c.0 resource base ef9f size 0 align 12 gran 12 limit ef9f flags 60080102 index 1c PCI: 00:1c.0 resource base dfffffff size 0 align 20 gran 20 limit dfffffff flags 60081202 index 24 PCI: 00:1c.0 resource base d1000000 size 100000 align 20 gran 20 limit d10fffff flags 60080202 index 20 PCI: 01:00.0 PCI: 01:00.0 resource base d1000000 size 2000 align 13 gran 13 limit d1001fff flags 60000201 index 10 PCI: 00:1c.1 PCI: 00:1c.2 PCI: 00:1c.3 PCI: 00:1c.4 PCI: 00:1c.5 PCI: 00:1c.6 PCI: 00:1c.7 PCI: 00:1d.0 PCI: 00:1d.1 PCI: 00:1d.2 PCI: 00:1d.3 PCI: 00:1e.0 PCI: 00:1e.0 resource base d1137000 size 1000 align 12 gran 12 limit d1137fff flags 60000201 index 10 PCI: 00:1e.1 PCI: 00:1e.2 child on link 0 SPI: 00 PCI: 00:1e.2 resource base d1138000 size 1000 align 12 gran 12 limit d1138fff flags 60000201 index 10 SPI: 00 PCI: 00:1e.3 PCI: 00:1e.4 PCI: 00:1e.4 resource base d1139000 size 1000 align 12 gran 12 limit d1139fff flags 60000201 index 10 PCI: 00:1e.5 PCI: 00:1e.6 PCI: 00:1e.6 resource base d113a000 size 1000 align 12 gran 12 limit d113afff flags 60000201 index 10 PCI: 00:1f.0 child on link 0 PNP: 0c09.0 PCI: 00:1f.0 resource base 0 size 1000 align 0 gran 0 limit 0 flags c0000100 index 0 PNP: 0c09.0 PNP: 0c09.0 resource base 800 size 1ff align 0 gran 0 limit 0 flags c0000100 index 0 PCI: 00:1f.1 PCI: 00:1f.2 PCI: 00:1f.2 resource base d1128000 size 4000 align 14 gran 14 limit d112bfff flags 60000200 index 10 PCI: 00:1f.2 resource base fe000000 size 10000 align 0 gran 0 limit 0 flags d0000200 index 48 PCI: 00:1f.2 resource base 1800 size 100 align 0 gran 0 limit 0 flags c0000100 index 40 PCI: 00:1f.3 PCI: 00:1f.3 resource base d112c000 size 4000 align 14 gran 14 limit d112ffff flags 60000201 index 10 PCI: 00:1f.3 resource base d1110000 size 10000 align 16 gran 16 limit d111ffff flags 60000201 index 20 PCI: 00:1f.4 PCI: 00:1f.4 resource base efa0 size 20 align 0 gran 0 limit efbf flags f0000100 index 20 PCI: 00:1f.4 resource base d113c000 size 100 align 12 gran 8 limit d113c0ff flags 60000201 index 10 PCI: 00:1f.5 PCI: 00:1f.5 resource base d113b000 size 1000 align 12 gran 12 limit d113bfff flags 60000200 index 10 PCI: 00:1f.6 Done allocating resources. BS: BS_DEV_RESOURCES times (us): entry 0 run 2113999 exit 29 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 227 run 139264 exit 19896 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 30867 usecs CPU_CLUSTER: 0 init ... CPU_CLUSTER: 0 init finished in 2445 usecs PCI: 00:00.0 init ... CPU TDP: 5 Watts CPU PL2 = 18 Watts PCI: 00:00.0 init finished in 6981 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 2249 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 5969 usecs PCI: 00:15.1 init ... DW I2C bus 1 at 0xd1133000 (400 KHz) PCI: 00:15.1 init finished in 5967 usecs PCI: 00:16.0 init ... PCI: 00:16.0 init finished in 2250 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5966 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 2249 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23479 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 23786 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 2390 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24440 usecs Devices initialized Show all devs... After init. Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 DOMAIN: 0000: enabled 1 APIC: 00: enabled 1 PCI: 00:00.0: enabled 1 PCI: 00:02.0: enabled 1 PCI: 00:14.0: enabled 1 PCI: 00:14.1: enabled 0 PCI: 00:14.2: enabled 1 PCI: 00:15.0: enabled 1 PCI: 00:15.1: enabled 1 PCI: 00:15.2: enabled 0 PCI: 00:15.3: enabled 0 PCI: 00:16.0: enabled 1 PCI: 00:16.1: enabled 0 PCI: 00:16.2: enabled 0 PCI: 00:16.3: enabled 0 PCI: 00:16.4: enabled 0 PCI: 00:17.0: enabled 0 PCI: 00:19.0: enabled 1 PCI: 00:19.1: enabled 1 PCI: 00:19.2: enabled 0 PCI: 00:1c.0: enabled 1 PCI: 00:1c.1: enabled 0 PCI: 00:1c.2: enabled 0 PCI: 00:1c.3: enabled 0 PCI: 00:1c.4: enabled 0 PCI: 00:1c.5: enabled 0 PCI: 00:1c.6: enabled 0 PCI: 00:1c.7: enabled 0 PCI: 00:1d.0: enabled 0 PCI: 00:1d.1: enabled 0 PCI: 00:1d.2: enabled 0 PCI: 00:1d.3: enabled 0 PCI: 00:1e.0: enabled 1 PCI: 00:1e.1: enabled 0 PCI: 00:1e.2: enabled 1 PCI: 00:1e.3: enabled 0 PCI: 00:1e.4: enabled 1 PCI: 00:1e.5: enabled 0 PCI: 00:1e.6: enabled 1 PCI: 00:1f.0: enabled 1 PCI: 00:1f.1: enabled 0 PCI: 00:1f.2: enabled 1 PCI: 00:1f.3: enabled 1 PCI: 00:1f.4: enabled 1 PCI: 00:1f.5: enabled 1 PCI: 00:1f.6: enabled 0 USB0 port 0: enabled 1 I2C: 01:5c: enabled 1 I2C: 02:15: enabled 1 I2C: 03:39: enabled 1 I2C: 03:3a: enabled 1 I2C: 03:1a: enabled 1 PCI: 01:00.0: enabled 1 SPI: 00: enabled 1 PNP: 0c09.0: enabled 1 USB2 port 0: enabled 1 USB2 port 1: enabled 1 USB2 port 2: enabled 1 USB2 port 4: enabled 1 USB2 port 8: enabled 1 APIC: 01: enabled 1 APIC: 03: enabled 1 APIC: 02: enabled 1 PCI: 00:04.0: enabled 1 PCI: 00:08.0: enabled 1 FMAP: area RW_ELOG found @ 9f0000 (16384 bytes) ELOG: NV offset 0x9f0000 size 0x4000 ELOG: area is 4096 bytes, full threshold 3842, shrink size 1024 ELOG: Event(17) added with size 13 at 2022-08-11 13:18:20 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-08-11 13:18:20 UTC ELOG: Event(92) added with size 9 at 2022-08-11 13:18:20 UTC ELOG: Event(9A) added with size 9 at 2022-08-11 13:18:20 UTC ELOG: Event(AD) added with size 10 at 2022-08-11 13:18:20 UTC ELOG: Event(9F) added with size 14 at 2022-08-11 13:18:20 UTC BS: BS_DEV_INIT times (us): entry 0 run 417173 exit 60001 ELOG: Event(A1) added with size 10 at 2022-08-11 13:18:20 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-08-11 13:18:20 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 25583 run 3966 exit 5203 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 54 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum bebf coreboot table: 1428 bytes. IMD ROOT 0. 7afff000 00001000 IMD SMALL 1. 7affe000 00001000 FSP MEMORY 2. 7abfe000 00400000 CONSOLE 3. 7abde000 00020000 TIME STAMP 4. 7abdd000 00000910 VBOOT 5. 7abdc000 00000c0c MRC DATA 6. 7abda000 00001878 ROMSTG STCK 7. 7abd9000 00000400 AFTER CAR 8. 7abd0000 00009000 RAMSTAGE 9. 7ab05000 000cb000 REFCODE 10. 7aad6000 0002f000 SMM BACKUP 11. 7aac6000 00010000 COREBOOT 12. 7aabe000 00008000 ACPI 13. 7aa9a000 00024000 ACPI GNVS 14. 7aa99000 00001000 RAMOOPS 15. 7a999000 00100000 SMBIOS 16. 7a998000 00000800 IMD small region: IMD ROOT 0. 7affec00 00000400 FSP RUNTIME 1. 7affebe0 00000004 VBOOT SEL 2. 7affebc0 00000008 EC HOSTEVENT 3. 7affeba0 00000008 POWER STATE 4. 7affeb60 00000040 ROMSTAGE 5. 7affeb40 00000004 MEM INFO 6. 7affe980 000001a9 COREBOOTFWD 7. 7affe940 00000028 MTRR: Physical address space: 0x0000000000000000 - 0x00000000000a0000 size 0x000a0000 type 6 0x00000000000a0000 - 0x00000000000c0000 size 0x00020000 type 0 0x00000000000c0000 - 0x000000007b800000 size 0x7b740000 type 6 0x000000007b800000 - 0x00000000c0000000 size 0x44800000 type 0 0x00000000c0000000 - 0x00000000d0000000 size 0x10000000 type 1 0x00000000d0000000 - 0x0000000100000000 size 0x30000000 type 0 0x0000000100000000 - 0x000000017f000000 size 0x7f000000 type 6 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 call enable_fixed_mtrr() CPU physical address size: 39 bits MTRR: default type WB/UC MTRR counts: 6/5. MTRR: UC selected as default type. MTRR: 0 base 0x0000000000000000 mask 0x0000007f80000000 type 6 MTRR: 1 base 0x000000007b800000 mask 0x0000007fff800000 type 0 MTRR: 2 base 0x000000007c000000 mask 0x0000007ffc000000 type 0 MTRR: 3 base 0x00000000c0000000 mask 0x0000007ff0000000 type 1 MTRR: 4 base 0x0000000100000000 mask 0x0000007f80000000 type 6 MTRR check Fixed MTRRs : Enabled Variable MTRRs: Enabled MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 BS: BS_WRITE_TABLES times (us): entry 0 run 533898 exit 145978 call enable_fixed_mtrr() CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CPU physical address size: 39 bits CBFS: Locating 'fallback/payload' MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x250 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 MTRR: Fixed MSR 0x258 0x0606060606060606 call enable_fixed_mtrr() MTRR: Fixed MSR 0x259 0x0000000000000000 MTRR: Fixed MSR 0x268 0x0606060606060606 MTRR: Fixed MSR 0x269 0x0606060606060606 MTRR: Fixed MSR 0x26a 0x0606060606060606 MTRR: Fixed MSR 0x26b 0x0606060606060606 MTRR: Fixed MSR 0x26c 0x0606060606060606 MTRR: Fixed MSR 0x26d 0x0606060606060606 MTRR: Fixed MSR 0x26e 0x0606060606060606 MTRR: Fixed MSR 0x26f 0x0606060606060606 CPU physical address size: 39 bits call enable_fixed_mtrr() CBFS: Found @ offset 223040 size 360b4 CPU physical address size: 39 bits Checking segment from ROM address 0xfff23078 Checking segment from ROM address 0xfff23094 Loading segment from ROM address 0xfff23078 code (compression=0) New segment dstaddr 0x30104020 memsize 0x64d8b0 srcaddr 0xfff230b0 filesize 0x3607c Loading Segment: addr: 0x30104020 memsz: 0x000000000064d8b0 filesz: 0x000000000003607c it's not compressed! [ 0x30104020, 3013a09c, 0x307518d0) <- fff230b0 Clearing Segment: addr: 0x000000003013a09c memsz: 0x0000000000617834 Loading segment from ROM address 0xfff23094 Entry Point 0x30104020 Loaded segments Finalizing chipset. ME: Host Firmware Status Register 1 : 0x90000245 ME: Host Firmware Status Register 2 : 0x6B000306 ME: Host Firmware Status Register 3 : 0x00000020 ME: Host Firmware Status Register 4 : 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 599 run 259159 exit 135232 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 7015275/tftp-deploy-q4nj_laa/kernel/bzImage 7015275/tftp-deploy-q4nj_laa/kernel/cmdline 7015275/tftp-deploy-q4nj_laa/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7015275/tftp-deploy-q4nj_laa/kernel/bzImay-q4nj_laa/kernel/cmdline 7015275/tftp-deploy-q4nj_laa/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:68:0b:d9 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7015275/tftp-deploy-q4nj_laa/kernel/bzImage Sending tftp read request... done. Waiting for the transfer... 00000000 ################################################################ 00080000 ################################################################ 00100000 ################################################################ 00180000 ################################################################ 00200000 ################################################################ 00280000 ################################################################ 00300000 ################################################################ 00380000 ################################################################ 00400000 ################################################################ 00480000 ################################################################ 00500000 ################################################################ 00580000 ################################################################ 00600000 ################################################################ 00680000 ################################################################ 00700000 ################################################################ 00780000 ################################################################ 00800000 ################################################################ 00880000 ################################################################ 00900000 ################################################################ 00980000 ################################################################ 00a00000 ################################################################ 00a80000 ################################################################ 00b00000 ################################################################ 00b80000 ################################################################ 00c00000 ################################################################ 00c80000 ################################################################ 00d00000 ####### done. The bootfile was 13683360 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: 7015275/tftp-deploy-q4nj_laa/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/7015275/extract-nfsrootfs-uk41ch9n,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: 21252608 Starting kernel ... [ 0.000000] Linux version 5.10.136-cip13 (KernelCI@build-j18989-x86-64-gcc-10-x86-64-defconfig-x86-chromebooks4lmj) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Thu Aug 11 14:01:46 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/7015275/extract-nfsrootfs-uk41ch9n,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 [ 0.000044] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001097] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.005639] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.018992] check: Scanning 1 areas for low memory corruption [ 0.019002] Using GB pages for direct mapping [ 0.019455] RAMDISK: [mem 0x377fa000-0x37ffffff] [ 0.019461] ACPI: Early table checksum verification disabled [ 0.019467] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.019478] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019491] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019504] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.019514] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019523] ACPI: FACS 0x000000007AA9A240 000040 [ 0.019532] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.019542] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019551] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.019561] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.019570] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.019580] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019589] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.019599] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.019608] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.019613] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.019616] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019620] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.019623] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.019627] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.019631] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.019634] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.019638] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.019642] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.019645] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.019649] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.019777] No NUMA configuration found [ 0.019781] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.019789] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.019824] Zone ranges: [ 0.019828] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.019834] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.019840] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.019845] Movable zone start for each node [ 0.019849] Early memory node ranges [ 0.019853] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.019857] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.019861] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.019866] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.019894] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.019929] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.029751] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.029807] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.029831] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.030173] ACPI: PM-Timer IO Port: 0x1808 [ 0.030224] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.030235] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.030240] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.030251] Using ACPI (MADT) for SMP configuration information [ 0.030256] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.030262] TSC deadline timer available [ 0.030266] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.030290] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.030294] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.030299] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.030303] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.030306] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.030310] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.030313] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.030316] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.030320] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.030323] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.030327] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.030330] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.030333] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.030337] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.030340] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.030347] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.030353] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.041489] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.041719] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.041777] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.041781] Policy zone: Normal [ 0.041794] 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/7015275/extract-nfsrootfs-uk41ch9n,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.042201] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.042395] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.042468] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.060538] Memory: 3890624K/4089052K available (18450K kernel code, 3464K rwdata, 6032K rodata, 2040K init, 13236K bss, 198168K reserved, 0K cma-reserved) [ 0.060661] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.060708] Kernel/User page tables isolation: enabled [ 0.060772] ftrace: allocating 53357 entries in 209 pages [ 0.105654] ftrace: allocated 209 pages with 4 groups [ 0.105887] Running RCU self tests [ 0.105900] rcu: Hierarchical RCU implementation. [ 0.105903] rcu: RCU event tracing is enabled. [ 0.105906] rcu: RCU lockdep checking is enabled. [ 0.105910] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.105914] Rude variant of Tasks RCU enabled. [ 0.105917] Tracing variant of Tasks RCU enabled. [ 0.105921] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.105925] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.114168] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.114572] random: crng init done [ 0.114658] Console: colour dummy device 80x25 [ 0.189775] printk: console [ttyS0] enabled [ 0.190142] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.190804] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.191163] ... MAX_LOCK_DEPTH: 48 [ 0.191524] ... MAX_LOCKDEP_KEYS: 8192 [ 0.191905] ... CLASSHASH_SIZE: 4096 [ 0.192281] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.192669] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.193052] ... CHAINHASH_SIZE: 32768 [ 0.193435] memory used by lock dependency info: 6365 kB [ 0.193902] memory used for stack traces: 4224 kB [ 0.194319] per task-struct memory footprint: 1920 bytes [ 0.194834] ACPI: Core revision 20200925 [ 0.195378] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.195877] APIC: Switch to symmetric I/O mode setup [ 0.200341] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.201257] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.202161] pid_max: default: 32768 minimum: 301 [ 0.202242] LSM: Security Framework initializing [ 0.202242] SELinux: Initializing. [ 0.202242] LSM support for eBPF active [ 0.202242] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.202242] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.202242] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.202242] process: using mwait in idle threads [ 0.202242] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.202242] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.202242] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.202242] Spectre V2 : Mitigation: IBRS [ 0.202242] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.202242] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.202242] RETBleed: Mitigation: IBRS [ 0.202242] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.202242] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.202242] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.202242] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.202242] SRBDS: Vulnerable: No microcode [ 0.202242] ------------[ cut here ]------------ [ 0.202242] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.202242] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.202242] Modules linked in: [ 0.202242] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.136-cip13 #1 [ 0.202242] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.202242] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.202242] Code: c4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 90 6b c0 b1 c6 05 3b 5d c4 01 01 e8 e3 6c e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.202242] RSP: 0000:ffffffffb1e03de0 EFLAGS: 00010282 [ 0.202242] RAX: 0000000000000000 RBX: ffffffffb28e48b4 RCX: 0000000000000000 [ 0.202242] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb057ab31 [ 0.202242] RBP: ffffffffb18da1c0 R08: 0000000000000001 R09: 0000000000000001 [ 0.202242] R10: ffffffffb1e8fb80 R11: 3fffffffffffffff R12: ffffffffb28fc44c [ 0.202242] R13: cccccccccccccccc R14: ffffffffb18da1c5 R15: 0000000000000004 [ 0.202242] FS: 0000000000000000(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 0.202242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.202242] CR2: ffff99e810001000 CR3: 000000014e826001 CR4: 00000000003706f0 [ 0.202242] Call Trace: [ 0.202242] alternative_instructions+0x7d/0x143 [ 0.202242] check_bugs+0xebd/0xf19 [ 0.202242] start_kernel+0x517/0x54d [ 0.202242] secondary_startup_64_no_verify+0xc2/0xcb [ 0.202242] irq event stamp: 162113 [ 0.202242] hardirqs last enabled at (162121): [] console_unlock+0x4d1/0x5f0 [ 0.202242] hardirqs last disabled at (162128): [] console_unlock+0x444/0x5f0 [ 0.202242] softirqs last enabled at (1836): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.202242] softirqs last disabled at (1834): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.202242] ---[ end trace febdcaa53cdb3d13 ]--- [ 0.202242] Freei# ng SMP alternatives memory: 44K [ 0.202242] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.202907] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.203257] ... version: 4 [ 0.203614] ... bit width: 48 [ 0.203975] ... generic registers: 4 [ 0.204249] ... value mask: 0000ffffffffffff [ 0.204712] ... max period: 00007fffffffffff [ 0.205174] ... fixed-purpose events: 3 [ 0.205247] ... event mask: 000000070000000f [ 0.206222] rcu: Hierarchical SRCU implementation. [ 0.208133] smp: Bringing up secondary CPUs ... [ 0.208991] x86: Booting SMP configuration: [ 0.209266] .... node #0, CPUs: #1 [ 0.210302] 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. [ 0.211272] 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. [ 0.212928] #2 #3 [ 0.215061] smp: Brought up 1 node, 4 CPUs [ 0.215610] smpboot: Max logical packages: 1 [ 0.215989] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.218572] devtmpfs: initialized [ 0.219298] x86/mm: Memory block size: 128MB [ 0.223332] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.224264] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.225267] pinctrl core: initialized pinctrl subsystem [ 0.226076] PM: RTC time: 13:18:37, date: 2022-08-11 [ 0.226770] NET: Registered protocol family 16 [ 0.227878] audit: initializing netlink subsys (disabled) [ 0.228292] audit: type=2000 audit(1660223917.027:1): state=initialized audit_enabled=0 res=1 [ 0.228962] thermal_sys: Registered thermal governor 'step_wise' [ 0.229029] thermal_sys: Registered thermal governor 'user_space' [ 0.229327] cpuidle: using governor menu [ 0.230397] ACPI: bus type PCI registered [ 0.231105] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.231257] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.231875] PCI: Using configuration type 1 for base access [ 0.255421] Kprobes globally optimized [ 0.255793] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.256263] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.257018] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.259564] ACPI: Added _OSI(Module Device) [ 0.259938] ACPI: Added _OSI(Processor Device) [ 0.260257] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.260674] ACPI: Added _OSI(Processor Aggregator Device) [ 0.261146] ACPI: Added _OSI(Linux-Dell-Video) [ 0.261252] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.261718] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.275835] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.284458] ACPI: EC: EC started [ 0.284767] ACPI: EC: interrupt blocked [ 0.285905] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.286253] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.286889] ACPI: Interpreter enabled [ 0.287279] ACPI: (supports S0 S3 S4 S5) [ 0.287629] ACPI: Using IOAPIC for interrupt routing [ 0.288141] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.305992] ACPI: Power Resource [PRIC] (on) [ 0.434358] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.434905] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.436562] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.437228] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.438887] PCI host bridge to bus 0000:00 [ 0.439253] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.439842] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.440250] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.440895] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.441250] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.441895] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.443251] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.443895] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.444249] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.444895] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.445249] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.445893] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.446249] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.446895] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.448250] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.448895] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.449250] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.449894] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.450249] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.450894] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.452251] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.452814] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.454282] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.454827] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.455263] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.455893] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.456926] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.457274] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.458662] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.459209] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.460941] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.461286] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.462011] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.463045] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.464288] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.465587] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.466145] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.467112] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.467294] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.468767] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.469295] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.469904] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.472093] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.472294] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.473769] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.474449] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.475782] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.476295] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.477745] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.478297] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.479745] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.480290] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.481837] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.482288] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.483698] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.485033] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.486282] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.487621] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.488178] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.488308] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.488995] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.490046] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.491316] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.491974] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.493028] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.493282] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.494905] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.495447] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.497029] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.499972] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.500265] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.502209] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.503162] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.503542] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.504466] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.505387] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.506317] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.507242] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.508167] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.515277] ACPI: EC: interrupt unblocked [ 0.515644] ACPI: EC: event unblocked [ 0.515980] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.516249] ACPI: EC: GPE=0x6e [ 0.516531] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.517141] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.518671] iommu: Default domain type: Translated [ 0.519427] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.519857] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.520280] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.520781] vgaarb: loaded [ 0.521582] SCSI subsystem initialized [ 0.522315] ACPI: bus type USB registered [ 0.522761] usbcore: registered new interface driver usbfs [ 0.523288] usbcore: registered new interface driver hub [ 0.523791] usbcore: registered new device driver usb [ 0.524358] pps_core: LinuxPPS API ver. 1 registered [ 0.524793] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.526260] PTP clock support registered [ 0.526670] Advanced Linux Sound Architecture Driver Initialized. [ 0.528198] NetLabel: Initializing [ 0.528250] NetLabel: domain hash size = 128 [ 0.528635] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.529200] NetLabel: unlabeled traffic allowed by default [ 0.530368] PCI: Using ACPI for IRQ routing [ 0.538591] clocksource: Switched to clocksource tsc-early [ 0.909492] VFS: Disk quotas dquot_6.6.0 [ 0.909894] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.910867] pnp: PnP ACPI init [ 0.911894] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.912490] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.913064] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.913650] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 0.914225] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.914811] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 0.915426] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 0.916030] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 0.916613] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 0.917187] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 0.918665] system 00:01: [io 0x1800-0x18fe] has been reserved [ 0.919561] system 00:03: [io 0x0900-0x09fe] has been reserved [ 0.920324] system 00:04: [io 0x0200] has been reserved [ 0.920792] system 00:04: [io 0x0204] has been reserved [ 0.921271] system 00:04: [io 0x0800-0x087f] has been reserved [ 0.921788] system 00:04: [io 0x0880-0x08ff] has been reserved [ 0.924647] pnp: PnP ACPI: found 6 devices [ 0.939059] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.939938] NET: Registered protocol family 2 [ 0.940484] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 0.942529] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 0.943460] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.944344] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 0.946560] TCP: Hash tables configured (established 32768 bind 32768) [ 0.947415] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 0.948305] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.949117] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 0.950085] NET: Registered protocol family 1 [ 0.951081] RPC: Registered named UNIX socket transport module. [ 0.951637] RPC: Registered udp transport module. [ 0.952050] RPC: Registered tcp transport module. [ 0.952475] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.953532] NET: Registered protocol family 44 [ 0.953941] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.954413] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.955011] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.955557] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.956092] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.956745] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 0.957350] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 0.957943] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 0.958546] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 0.959147] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 0.959756] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 0.960367] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 0.960968] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 0.961577] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 0.962178] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 0.962787] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 0.963430] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 0.964031] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 0.964641] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 0.965242] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 0.965869] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 0.966478] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 0.967080] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 0.968060] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.970652] PCI: CLS 64 bytes, default 64 [ 0.971344] Unpacking initramfs... [ 1.221143] Freeing initrd memory: 8216K [ 1.221633] DMAR: Host address width 39 [ 1.222002] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.222538] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.223275] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.223819] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.224340] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.225108] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.225682] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.226551] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.227232] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.227749] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.228242] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.228723] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.229214] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.231354] kvm: already loaded the other module [ 1.244710] check: Scanning for low memory corruption every 60 seconds [ 1.248161] Initialise system trusted keyrings [ 1.248796] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.267590] NFS: Registering the id_resolver key type [ 1.268064] Key type id_resolver registered [ 1.268472] Key type id_legacy registered [ 1.284556] Key type asymmetric registered [ 1.284943] Asymmetric key parser 'x509' registered [ 1.285431] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.286083] io scheduler mq-deadline registered [ 1.286495] io scheduler kyber registered [ 1.287056] test_firmware: interface ready [ 1.288861] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.290559] ACPI: AC Adapter [AC] (on-line) [ 1.291288] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.292882] ACPI: Lid Switch [LID0] [ 1.293447] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.294321] ACPI: Power Button [PWRF] [ 1.295028] ACPI: \_PR_.CP00: Found 3 idle states [ 1.296111] ACPI: \_PR_.CP01: Found 3 idle states [ 1.297056] ACPI: \_PR_.CP02: Found 3 idle states [ 1.298041] ACPI: \_PR_.CP03: Found 3 idle states [ 1.299432] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.302743] hpet_acpi_add: no address or irqs in _CRS [ 1.303504] Non-volatile memory driver v1.3 [ 1.303906] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.304018] Linux agpgart interface v0.103 [ 1.307360] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.360165] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.361523] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.362424] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.363619] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.392677] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.396431] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.414373] loop: module loaded [ 1.415473] lkdtm: No crash points registered, enable through debugfs [ 1.438876] printk: console [ttyS0] disabled [ 1.439524] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.304365] tsc: Refined TSC clocksource calibration: 1607.999 MHz [ 2.312363] printk: console [ttyS0] enabled [ 2.321055] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172da94f0e2, max_idle_ns: 440795278248 ns [ 2.340045] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 4.880094] clocksource: Switched to clocksource tsc [ 4.880315] fbcon: i915drmfb (fb0) is primary device [ 4.882347] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 4.890206] e100: Intel(R) PRO/100 Network Driver [ 4.890209] e100: Copyright(c) 1999-2006 Intel Corporation [ 4.890288] e1000: Intel(R) PRO/1000 Network Driver [ 4.890290] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 4.890365] e1000e: Intel(R) PRO/1000 Network Driver [ 4.890367] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 4.890443] sky2: driver version 1.30 [ 4.890778] usbcore: registered new interface driver r8152 [ 4.891183] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 4.891199] ehci-pci: EHCI PCI platform driver [ 4.891284] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 4.891299] ohci-pci: OHCI PCI platform driver [ 4.891354] uhci_hcd: USB Universal Host Controller Interface driver [ 4.892527] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.893066] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 4.893595] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 4.894985] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 4.895038] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.897194] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 4.897214] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.897218] usb usb1: Product: xHCI Host Controller [ 4.897223] usb usb1: Manufacturer: Linux 5.10.136-cip13 xhci-hcd [ 4.897227] usb usb1: SerialNumber: 0000:00:14.0 [ 4.899000] hub 1-0:1.0: USB hub found [ 4.899166] hub 1-0:1.0: 12 ports detected [ 4.903737] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.904222] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.904236] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 4.904668] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 4.904677] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 4.904682] usb usb2: Product: xHCI Host Controller [ 4.904685] usb usb2: Manufacturer: Linux 5.10.136-cip13 xhci-hcd [ 4.904688] usb usb2: SerialNumber: 0000:00:14.0 [ 4.905951] hub 2-0:1.0: USB hub found [ 4.906041] hub 2-0:1.0: 6 ports detected [ 4.907986] usbcore: registered new interface driver usblp [ 4.908048] usbcore: registered new interface driver usb-storage [ 4.908487] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 4.908621] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 4.908624] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 4.908911] Console: switching to colour frame buffer device 240x67 [ 4.909363] i8042: Warning: Keylock active [ 4.909603] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 4.911525] rtc_cmos 00:02: RTC can wake from S4 [ 4.913613] rtc_cmos 00:02: registered as rtc0 [ 4.913814] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 4.914332] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 4.915622] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 4.915726] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 4.916378] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 4.916963] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 4.918874] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 4.918906] intel_pstate: Intel P-state driver initializing [ 4.920024] intel_pstate: HWP enabled [ 4.920066] sdhci: Secure Digital Host Controller Interface driver [ 4.920067] sdhci: Copyright(c) Pierre Ossman [ 4.920147] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 4.921773] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 4.921988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 4.924119] hid: raw HID events driver (C) Jiri Kosina [ 4.929061] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.129726] mmc0: new HS400 MMC card at address 0001 [ 5.134883] usbcore: registered new interface driver usbhid [ 5.138281] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.142268] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.147055] usbhid: USB HID core driver [ 5.153992] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.159634] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.163401] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.173286] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.174107] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.181447] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.197887] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.200137] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.276597] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.281681] gre: GRE over IPv4 demultiplexor driver [ 5.290713] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.357975] 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 [ 5.361973] ip_gre: GRE over IPv4 tunneling driver [ 5.362793] IPv4 over IPsec tunneling driver [ 5.367889] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.398581] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.405630] Initializing XFRM netlink socket [ 5.465941] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 5.478994] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.479231] NET: Registered protocol family 10 [ 5.480184] Segment Routing with IPv6 [ 5.480932] ip6_gre: GRE over IPv6 tunneling driver [ 5.481357] NET: Registered protocol family 17 [ 5.481511] 8021q: 802.1Q VLAN Support v1.8 [ 5.481550] Key type dns_resolver registered [ 5.556643] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.564651] usb 2-3: Product: USB 10/100/1000 LAN [ 5.569916] usb 2-3: Manufacturer: Realtek [ 5.574524] usb 2-3: SerialNumber: 001000001 [ 5.579670] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.585880] microcode: Microcode Update Driver: v2.2. [ 5.585887] IPI shorthand broadcast: enabled [ 5.596361] sched_clock: Marking stable (5509615536, 86703700)->(5677272608, -80953372) [ 5.605643] registered taskstats version 1 [ 5.610226] Loading compiled-in X.509 certificates [ 5.617850] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.627685] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.631282] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 5.637397] PM: Magic number: 2:488:331 [ 5.647769] tty tty52: hash matches [ 5.651855] printk: console [netcon0] enabled [ 5.656727] netconsole: network logging started [ 5.813304] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 5.822495] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 5.830494] usb 1-9: Product: USB2.0 HD UVC WebCam [ 5.835868] usb 1-9: Manufacturer: Azurewave [ 5.840660] usb 1-9: SerialNumber: 0x0001 [ 5.853333] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.898668] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.927214] r8152 2-3:1.0: Direct firmware load for rtl_nic/rtl8153b-2.fw failed with error -2 [ 5.936980] r8152 2-3:1.0: unable to load firmware patch rtl_nic/rtl8153b-2.fw (-2) [ 5.977828] r8152 2-3:1.0 eth0: v1.11.11 [ 5.982788] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.983344] IP-Config: Failed to open gretap0 [ 5.995906] IP-Config: Failed to open erspan0 [ 6.017397] Sending DHCP requests . [ 7.604160] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 7.615409] r8152 2-3:1.0 eth0: carrier on [ 8.918386] ., OK [ 8.926641] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 8.935601] IP-Config: Complete: [ 8.939217] device=eth0, hwaddr=00:e0:4c:68:0b:d9, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 8.950891] host=asus-C433TA-AJ0005-rammus-cbg-0, domain=lava-rack, nis-domain=(none) [ 8.960137] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.960139] nameserver0=192.168.201.1 [ 8.973046] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.984843] modprobe (101) used greatest stack depth: 14208 bytes left [ 8.988030] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.992180] modprobe (102) used greatest stack depth: 14120 bytes left [ 8.999767] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.000348] ALSA device list: [ 9.000353] No soundcards found. [ 9.023645] cfg80211: failed to load regulatory.db [ 9.029480] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 9.039548] Freeing unused kernel image (initmem) memory: 2040K [ 9.058509] Write protecting the kernel read-only data: 26624k [ 9.066216] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 9.073934] Freeing unused kernel image (rodata/data gap) memory: 112K [ 9.081298] Run /init as init process Loading, please wait... [ 9.093602] cat (115) used greatest stack depth: 14016 bytes left Starting version 247.3-7 [ 9.103359] systemd-udevd (123) used greatest stack depth: 13576 bytes left [ 9.317116] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.328782] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.362900] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.424104] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.434641] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.446363] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.460604] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.470952] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.494985] udev (122) used greatest stack depth: 13480 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: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:0b:d9 mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadc[ 9.564533] ipconfig (166) used greatest stack depth: 13464 bytes left ast: 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-0 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.647814] nfsmount (167) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.806674] systemd[1]: systemd 247.3-7 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.844550] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.872706] systemd[1]: Set hostname to . [ 11.351569] systemd[1]: Queued start job for default target Graphical Interface. [ 11.362841] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.378891] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.394911] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.411934] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.427807] systemd[1]: Started Dispatch Password Requests to Console Directory Watch. [[0;32m OK [0m] Started [0;1;39mDispatch Password …ts to Console Directory Watch[0m. [ 11.446689] systemd[1]: Started Forward Password Requests to Wall Directory Watch. [[0;32m OK [0m] Started [0;1;39mForward Password R…uests to Wall Directory Watch[0m. [ 11.468539] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point. [[0;32m OK [0m] Set up automount [0;1;39mArbitrary…s File System Automount Point[0m. [ 11.491639] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.507634] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.518509] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.534605] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.545515] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.556829] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.574589] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.591536] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.608053] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.623557] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.642474] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.657861] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.675487] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.692049] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.711047] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 11.727970] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 11.747543] systemd[1]: Starting Create list of static device nodes for the current kernel... Starting [0;1;39mCreate list of st…odes for the current kernel[0m... [ 11.769155] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 11.785196] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 11.801218] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 11.840869] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 11.851411] fuse: init (API version 7.32) [ 11.857802] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 11.873512] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 11.887057] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 11.904907] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 11.928408] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 11.944945] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 11.961013] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 11.977705] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 11.993914] systemd[1]: Finished Create list of static device nodes for the current kernel. [[0;32m OK [0m] Finished [0;1;39mCreate list of st… nodes for the current kernel[0m. [ 12.014168] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.021339] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.037199] systemd[1]: modprobe@drm.service: Succeeded. [ 12.043946] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.059364] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.066201] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 12.083432] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 12.099410] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 12.120722] systemd[1]: Mounting FUSE Control File System... Mounting [0;1;39mFUSE Control File System[0m... [ 12.135626] systemd[1]: Mounting Kernel Configuration File System... Mounting [0;1;39mKernel Configuration File System[0m... [ 12.154072] systemd[1]: Condition check resulted in Rebuild Hardware Database being skipped. [ 12.163800] systemd[1]: Condition check resulted in Platform Persistent Storage Archival being skipped. [ 12.176083] systemd[1]: Starting Load/Save Random Seed... Starting [0;1;39mLoad/Save Random Seed[0m... [ 12.190117] systemd[1]: Starting Apply Kernel Variables... Starting [0;1;39mApply Kernel Variables[0m... [ 12.204416] systemd[1]: Starting Create System Users... Starting [0;1;39mCreate System Users[0m... [ 12.219034] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. Starting [0;1;39mFlush Journal to Persistent Storage[0m... [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [ 12.308128] systemd-journald[202]: Received client request to flush runtime journal. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Found device [0;1;39mSunrise Point-LP Serial IO UART Controller[0m. [[0;32m OK [0m] Finished [0;1;39mCreate Volatile Files and Directories[0m. [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[0m... Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[0m... [[0;32m OK [0m] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Screen … of backlight:intel_backlight[0m. [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Boot/Shutdown[0m. [[0;32m OK [0m] Reached target [0;1;39mSystem Initialization[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt download activities[0m. [[0;32m OK [0m] Started [0;1;39mDaily apt upgrade and clean activities[0m. [[0;32m OK [0m] Started [0;1;39mPeriodic ext4 Onli…ata Check for All Filesystems[0m. [[0;32m OK [0m] Started [0;1;39mDiscard unused blocks once a week[0m. [[0;32m OK [0m] Started [0;1;39mDaily Cleanup of Temporary Directories[0m. [[0;32m OK [0m] Reached target [0;1;39mTimers[0m. [[0;32m OK [0m] Listening on [0;1;39mD-Bus System Message Bus Socket[0m. [[0;32m OK [0m] Reached target [0;1;39mSockets[0m. [[0;32m OK [0m] Reached target [0;1;39mBasic System[0m. [[0;32m OK [0m] Started [0;1;39mD-Bus System Message Bus[0m. Starting [0;1;39mRemove Stale Onli…t4 Metadata Check Snapshots[0m... Starting [0;1;39mUser Login Management[0m... [[0;32m OK [0m] Started [0;1;39mNetwork Service[0m. Starting [0;1;39mNetwork Name Resolution[0m... [[0;32m OK [0m] Finished [0;1;39mRemove Stale Onli…ext4 Metadata Check Snapshots[0m. [[0;32m OK [0m] Started [0;1;39mUser Login Management[0m. [[0;32m OK [0m] Started [0;1;39mNetwork Name Resolution[0m. [[0;32m OK [0m] Reached target [0;1;39mNetwork[0m. [[0;32m OK [0m] Reached target [0;1;39mHost and Network Name Lookups[0m. Starting [0;1;39mPermit User Sessions[0m... [[0;32m OK [0m] Finished [0;1;39mPermit User Sessions[0m. [[0;32m OK [0m] Started [0;1;39mGetty on tty1[0m. [[0;32m OK [0m] Started [0;1;39mSerial Getty on ttyS0[0m. [[0;32m OK [0m] Reached target [0;1;39mLogin Prompts[0m. [[0;32m OK [0m] Reached target [0;1;39mMulti-User System[0m. [[0;32m OK [0m] Reached target [0;1;39mGraphical Interface[0m. Starting [0;1;39mUpdate UTMP about System Runlevel Changes[0m... [[0;32m OK [0m] Finished [0;1;39mUpdate UTMP about System Runlevel Changes[0m. Debian GNU/Linux 11 debian-bullseye-amd64 ttyS0 debian-bullseye-amd64 login: root (automatic login) Linux debian-bullseye-amd64 5.10.136-cip13 #1 SMP Thu Aug 11 14:01:46 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/7015275/extract-nfsrootfs-uk41ch9n' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7015275/extract-nfsrootfs-uk41ch9n' / # 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-7015275/environment . /lava-7015275/environment / # /lava-7015275/bin/lava-test-runner /lava-7015275/0 /lava-7015275/bin/lava-test-runner /lava-7015275/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7015275/0/tests/0_timesync-off ++ cat uuid + UUID=7015275_1.5.2.3.1 + set +x + systemctl stop systemd-timesyncd Failed to stop systemd-timesyncd.service: Unit systemd-timesyncd.service not loaded. + true + set +x + export TESTRUN_ID=1_kselftest-lkdtm + TESTRUN_ID=1_kselftest-lkdtm + cd /lava-7015275/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7015275_1.5.2.3.5 + set +x + cd ./automated/linux/kselftest/ + ./kselftest.sh -c lkdtm -T '' -t kselftest_armhf.tar.gz -s false -u http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.131-cip13-493-ge129308279043/x86_64/x86_64_defconfig+x86-chromebook+kselftest/gcc-10/kselftest.tar.xz -L '' -S skipfile-lkft.yaml -b asus-C433TA-AJ0005-rammus -g cip-gitlab -e '' -p /opt/kselftests/mainline/ INFO: Generating a skipfile based on /lava-7015275/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml [ 18.198749] skipgen (316) used greatest stack depth: 12624 bytes left INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease [ 19.115990] apt-config (344) used greatest stack depth: 12528 bytes left Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-08-11 13:19:12-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.131-cip13-493-ge129308279043/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: 3527520 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 50.15K 170KB/s kselftest.tar.xz 5%[> ] 183.56K 313KB/s kselftest.tar.xz 18%[==> ] 623.33K 692KB/s kselftest.tar.xz 34%[=====> ] 1.17M 1.00MB/s kselftest.tar.xz 61%[===========> ] 2.08M 1.48MB/s kselftest.tar.xz 76%[==============> ] 2.56M 1.60MB/s kselftest.tar.xz 100%[===================>] 3.36M 1.87MB/s in 1.8s 2022-08-11 13:19:15 (1.87 MB/s) - 'kselftest.tar.xz' saved [3527520/3527520] tar: ./futex/run.sh: time stamp 2022-08-11 14:09:27 is 3011.717296909 s in the future tar: ./futex/functional/futex_wait_uninitialized_heap: time stamp 2022-08-11 14:08:59 is 2983.70145612 s in the future tar: ./futex/functional/futex_requeue_pi: time stamp 2022-08-11 14:08:58 is 2982.691772512 s in the future tar: ./futex/functional/futex_requeue_pi_mismatched_ops: time stamp 2022-08-11 14:08:59 is 2983.684268589 s in the future tar: ./futex/functional/futex_wait_wouldblock: time stamp 2022-08-11 14:08:58 is 2982.676909094 s in the future tar: ./futex/functional/futex_wait_timeout: time stamp 2022-08-11 14:08:58 is 2982.66895366 s in the future tar: ./futex/functional/futex_wait_private_mapped_file: time stamp 2022-08-11 14:08:59 is 2983.659423991 s in the future tar: ./futex/functional/futex_requeue_pi_signal_restart: time stamp 2022-08-11 14:08:58 is 2982.650182531 s in the future tar: ./futex/functional: time stamp 2022-08-11 14:09:27 is 3011.64715536 s in the future tar: ./futex: time stamp 2022-08-11 14:09:27 is 3011.644849832 s in the future tar: ./filesystems/binderfs/binderfs_test: time stamp 2022-08-11 14:09:27 is 3011.630638583 s in the future tar: ./filesystems/binderfs: time stamp 2022-08-11 14:09:27 is 3011.628196332 s in the future tar: ./filesystems/dnotify_test: time stamp 2022-08-11 14:08:56 is 2980.620815365 s in the future tar: ./filesystems/devpts_pts: time stamp 2022-08-11 14:08:56 is 2980.613759109 s in the future tar: ./filesystems/epoll/epoll_wakeup_test: time stamp 2022-08-11 14:08:57 is 2981.577468858 s in the future tar: ./filesystems/epoll: time stamp 2022-08-11 14:09:27 is 3011.574820171 s in the future tar: ./filesystems: time stamp 2022-08-11 14:09:27 is 3011.571862929 s in the future tar: ./ir/ir_loopback: time stamp 2022-08-11 14:08:59 is 2983.561426722 s in the future tar: ./ir: time stamp 2022-08-11 14:09:27 is 3011.554254704 s in the future tar: ./pstore: time stamp 2022-08-11 14:09:29 is 3013.534448377 s in the future tar: ./firmware/fw_namespace: time stamp 2022-08-11 14:08:57 is 2981.513856677 s in the future tar: ./firmware: time stamp 2022-08-11 14:09:27 is 3011.507636663 s in the future tar: ./ftrace: time stamp 2022-08-11 14:09:27 is 3011.011067145 s in the future tar: ./seccomp/seccomp_benchmark: time stamp 2022-08-11 14:09:17 is 3001.00011616 s in the future tar: ./seccomp/seccomp_bpf: time stamp 2022-08-11 14:09:18 is 3001.957228204 s in the future tar: ./seccomp: time stamp 2022-08-11 14:09:29 is 3012.954791488 s in the future tar: ./kvm/dirty_log_test: time stamp 2022-08-11 14:09:05 is 2988.905713297 s in the future tar: ./kvm/platform_info_test: time stamp 2022-08-11 14:09:02 is 2985.862877513 s in the future tar: ./kvm/tsc_msrs_test: time stamp 2022-08-11 14:09:04 is 2987.818290581 s in the future tar: ./kvm/vmx_set_nested_state_test: time stamp 2022-08-11 14:09:04 is 2987.760530675 s in the future tar: ./kvm/xss_msr_test: time stamp 2022-08-11 14:09:04 is 2987.725151198 s in the future tar: ./kvm/mmio_warning_test: time stamp 2022-08-11 14:09:02 is 2985.68469404 s in the future tar: ./kvm/hyperv_cpuid: time stamp 2022-08-11 14:09:02 is 2985.629769815 s in the future tar: ./kvm/set_sregs_test: time stamp 2022-08-11 14:09:02 is 2985.591896849 s in the future tar: ./kvm/state_test: time stamp 2022-08-11 14:09:03 is 2986.534929703 s in the future tar: ./kvm/sync_regs_test: time stamp 2022-08-11 14:09:03 is 2986.497525142 s in the future tar: ./kvm/debug_regs: time stamp 2022-08-11 14:09:04 is 2987.458590083 s in the future tar: ./kvm/vmx_preemption_timer_test: time stamp 2022-08-11 14:09:03 is 2986.399181113 s in the future tar: ./kvm/smm_test: time stamp 2022-08-11 14:09:02 is 2985.347208054 s in the future tar: ./kvm/set_memory_region_test: time stamp 2022-08-11 14:09:05 is 2988.305646013 s in the future tar: ./kvm/svm_vmcall_test: time stamp 2022-08-11 14:09:03 is 2986.261733759 s in the future tar: ./kvm/steal_time: time stamp 2022-08-11 14:09:06 is 2989.217219289 s in the future tar: ./kvm/vmx_close_while_nested_test: time stamp 2022-08-11 14:09:03 is 2986.165892884 s in the future tar: ./kvm/vmx_apic_access_test: time stamp 2022-08-11 14:09:03 is 2986.108012137 s in the future tar: ./kvm/kvm_pv_test: time stamp 2022-08-11 14:09:02 is 2985.071077175 s in the future tar: ./kvm/vmx_tsc_adjust_test: time stamp 2022-08-11 14:09:04 is 2987.021813395 s in the future tar: ./kvm/vmx_dirty_log_test: time stamp 2022-08-11 14:09:04 is 2986.968345756 s in the future tar: ./kvm/kvm_create_max_vcpus: time stamp 2022-08-11 14:09:05 is 2987.93232927 s in the future tar: ./kvm/user_msr_test: time stamp 2022-08-11 14:09:04 is 2986.894869896 s in the future tar: ./kvm/demand_paging_test: time stamp 2022-08-11 14:09:05 is 2987.854194837 s in the future tar: ./kvm/evmcs_test: time stamp 2022-08-11 14:09:02 is 2984.801925209 s in the future tar: ./kvm/dirty_log_perf_test: time stamp 2022-08-11 14:09:05 is 2987.759642916 s in the future tar: ./kvm/cr4_cpuid_sync_test: time stamp 2022-08-11 14:09:01 is 2983.716744032 s in the future tar: ./kvm: time stamp 2022-08-11 14:09:28 is 3010.713865059 s in the future tar: ./nsfs/owner: time stamp 2022-08-11 14:09:14 is 2996.703822653 s in the future tar: ./nsfs/pidns: time stamp 2022-08-11 14:09:14 is 2996.696571569 s in the future tar: ./nsfs: time stamp 2022-08-11 14:09:29 is 3011.693845932 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-08-11 14:09:15 is 2997.683190973 s in the future tar: ./ptrace/vmaccess: time stamp 2022-08-11 14:09:15 is 2997.673894616 s in the future tar: ./ptrace/get_syscall_info: time stamp 2022-08-11 14:09:15 is 2997.664311748 s in the future tar: ./ptrace: time stamp 2022-08-11 14:09:29 is 3011.660767791 s in the future tar: ./fpu/test_fpu: time stamp 2022-08-11 14:08:57 is 2979.650035862 s in the future tar: ./fpu: time stamp 2022-08-11 14:09:27 is 3009.641017498 s in the future tar: ./core/close_range_test: time stamp 2022-08-11 14:08:56 is 2978.628109379 s in the future tar: ./core: time stamp 2022-08-11 14:09:26 is 3008.624811929 s in the future tar: ./cpufreq: time stamp 2022-08-11 14:09:26 is 3008.582267217 s in the future tar: ./ipc/msgque: time stamp 2022-08-11 14:08:59 is 2981.571267993 s in the future tar: ./ipc: time stamp 2022-08-11 14:09:27 is 3009.568502766 s in the future tar: ./cpu-hotplug: time stamp 2022-08-11 14:09:26 is 3008.556927353 s in the future tar: ./mount/nosymfollow-test: time stamp 2022-08-11 14:09:06 is 2988.546545977 s in the future tar: ./mount/unprivileged-remount-test: time stamp 2022-08-11 14:09:06 is 2988.533082101 s in the future tar: ./mount: time stamp 2022-08-11 14:09:28 is 3010.523805553 s in the future tar: ./exec/load_address_4096: time stamp 2022-08-11 14:08:56 is 2978.407110595 s in the future tar: ./exec/non-regular: time stamp 2022-08-11 14:08:56 is 2978.396026051 s in the future tar: ./exec/subdir: time stamp 2022-08-11 14:08:56 is 2978.39304816 s in the future tar: ./exec/execveat.denatured: time stamp 2022-08-11 14:08:56 is 2978.386764115 s in the future tar: ./exec/load_address_2097152: time stamp 2022-08-11 14:08:56 is 2977.961660307 s in the future tar: ./exec/execveat.symlink: time stamp 2022-08-11 14:08:56 is 2977.958809261 s in the future tar: ./exec/script: time stamp 2022-08-11 14:08:56 is 2977.955228386 s in the future tar: ./exec/execveat: time stamp 2022-08-11 14:08:56 is 2977.948413636 s in the future tar: ./exec/recursion-depth: time stamp 2022-08-11 14:08:56 is 2977.942604982 s in the future tar: ./exec/load_address_16777216: time stamp 2022-08-11 14:08:56 is 2974.904782276 s in the future tar: ./exec: time stamp 2022-08-11 14:09:26 is 3004.902814133 s in the future tar: ./memfd/memfd_test: time stamp 2022-08-11 14:09:06 is 2984.892098012 s in the future tar: ./memfd/fuse_test: time stamp 2022-08-11 14:09:06 is 2984.887583485 s in the future tar: ./memfd/fuse_mnt: time stamp 2022-08-11 14:09:06 is 2984.883272535 s in the future tar: ./memfd: time stamp 2022-08-11 14:09:28 is 3006.879689556 s in the future tar: ./proc/self: time stamp 2022-08-11 14:09:14 is 2992.87468066 s in the future tar: ./proc/fd-002-posix-eq: time stamp 2022-08-11 14:09:14 is 2992.869267119 s in the future tar: ./proc/setns-sysvipc: time stamp 2022-08-11 14:09:15 is 2993.863699703 s in the future tar: ./proc/proc-multiple-procfs: time stamp 2022-08-11 14:09:15 is 2993.858350689 s in the future tar: ./proc/proc-self-map-files-001: time stamp 2022-08-11 14:09:14 is 2992.852578348 s in the future tar: ./proc/fd-003-kthread: time stamp 2022-08-11 14:09:14 is 2992.847365992 s in the future tar: ./proc/read: time stamp 2022-08-11 14:09:14 is 2992.841880649 s in the future tar: ./proc/fd-001-lookup: time stamp 2022-08-11 14:09:14 is 2992.835879863 s in the future tar: ./proc/proc-uptime-001: time stamp 2022-08-11 14:09:14 is 2992.829715913 s in the future tar: ./proc/thread-self: time stamp 2022-08-11 14:09:15 is 2993.823098943 s in the future tar: ./proc/proc-self-syscall: time stamp 2022-08-11 14:09:14 is 2992.817093197 s in the future tar: ./proc/proc-fsconfig-hidepid: time stamp 2022-08-11 14:09:15 is 2993.811563765 s in the future tar: ./proc/proc-self-map-files-002: time stamp 2022-08-11 14:09:14 is 2992.805673316 s in the future tar: ./proc/proc-loadavg-001: time stamp 2022-08-11 14:09:14 is 2992.800279847 s in the future tar: ./proc/proc-pid-vm: time stamp 2022-08-11 14:09:14 is 2992.793881209 s in the future tar: ./proc/proc-uptime-002: time stamp 2022-08-11 14:09:14 is 2992.788129036 s in the future tar: ./proc/proc-self-wchan: time stamp 2022-08-11 14:09:14 is 2992.782625432 s in the future tar: ./proc/setns-dcache: time stamp 2022-08-11 14:09:14 is 2992.777042442 s in the future tar: ./proc: time stamp 2022-08-11 14:09:29 is 3007.775100379 s in the future tar: ./efivarfs/open-unlink: time stamp 2022-08-11 14:08:56 is 2974.76751208 s in the future tar: ./efivarfs/create-read: time stamp 2022-08-11 14:08:56 is 2974.757230292 s in the future tar: ./efivarfs: time stamp 2022-08-11 14:09:26 is 3004.755405384 s in the future tar: ./vm/mlock-random-test: time stamp 2022-08-11 14:09:20 is 2998.747797926 s in the future tar: ./vm/transhuge-stress: time stamp 2022-08-11 14:09:20 is 2998.742190352 s in the future tar: ./vm/map_populate: time stamp 2022-08-11 14:09:20 is 2998.736232475 s in the future tar: ./vm/gup_benchmark: time stamp 2022-08-11 14:09:19 is 2997.730675773 s in the future tar: ./vm/userfaultfd: time stamp 2022-08-11 14:09:20 is 2998.722610316 s in the future tar: ./vm/hugepage-shm: time stamp 2022-08-11 14:09:20 is 2998.716699545 s in the future tar: ./vm/write_to_hugetlbfs: time stamp 2022-08-11 14:09:21 is 2999.71040677 s in the future tar: ./vm/va_128TBswitch: time stamp 2022-08-11 14:09:21 is 2999.699791037 s in the future tar: ./vm/mremap_dontunmap: time stamp 2022-08-11 14:09:20 is 2998.6936785 s in the future tar: ./vm/protection_keys_32: time stamp 2022-08-11 14:09:21 is 2999.684351009 s in the future tar: ./vm/map_fixed_noreplace: time stamp 2022-08-11 14:09:20 is 2998.677774279 s in the future tar: ./vm/map_hugetlb: time stamp 2022-08-11 14:09:20 is 2998.670667445 s in the future tar: ./vm/hmm-tests: time stamp 2022-08-11 14:09:20 is 2998.652841912 s in the future tar: ./vm/on-fault-limit: time stamp 2022-08-11 14:09:20 is 2998.64751 s in the future tar: ./vm/hugepage-mmap: time stamp 2022-08-11 14:09:20 is 2998.641806512 s in the future tar: ./vm/mlock2-tests: time stamp 2022-08-11 14:09:20 is 2998.635371358 s in the future tar: ./vm/khugepaged: time stamp 2022-08-11 14:09:20 is 2998.628187246 s in the future tar: ./vm/virtual_address_range: time stamp 2022-08-11 14:09:21 is 2999.621692319 s in the future tar: ./vm/thuge-gen: time stamp 2022-08-11 14:09:20 is 2998.614824647 s in the future tar: ./vm/compaction_test: time stamp 2022-08-11 14:09:19 is 2997.608246846 s in the future tar: ./vm/protection_keys_64: time stamp 2022-08-11 14:09:21 is 2999.5970651 s in the future tar: ./vm: time stamp 2022-08-11 14:09:30 is 3008.589453649 s in the future tar: ./rtc/rtctest: time stamp 2022-08-11 14:09:17 is 2995.5777988 s in the future tar: ./rtc/setdate: time stamp 2022-08-11 14:09:17 is 2995.564190657 s in the future tar: ./rtc: time stamp 2022-08-11 14:09:29 is 3007.560787653 s in the future tar: ./openat2/openat2_test: time stamp 2022-08-11 14:09:15 is 2993.535657691 s in the future tar: ./openat2/resolve_test: time stamp 2022-08-11 14:09:16 is 2994.506423419 s in the future tar: ./openat2/rename_attack_test: time stamp 2022-08-11 14:09:15 is 2993.49292014 s in the future tar: ./openat2: time stamp 2022-08-11 14:09:29 is 3007.490206724 s in the future tar: ./drivers/dma-buf/udmabuf: time stamp 2022-08-11 14:08:56 is 2974.476197598 s in the future tar: ./drivers/dma-buf: time stamp 2022-08-11 14:09:26 is 3004.472864469 s in the future tar: ./drivers: time stamp 2022-08-11 14:09:26 is 3004.469763846 s in the future tar: ./run_kselftest.sh: time stamp 2022-08-11 14:09:22 is 3000.46392684 s in the future tar: ./tpm2: time stamp 2022-08-11 14:09:30 is 3008.433869566 s in the future tar: ./capabilities/test_execve: time stamp 2022-08-11 14:08:55 is 2973.420864858 s in the future tar: ./capabilities/validate_cap: time stamp 2022-08-11 14:08:55 is 2973.412873248 s in the future tar: ./capabilities: time stamp 2022-08-11 14:09:26 is 3004.410007423 s in the future tar: ./user: time stamp 2022-08-11 14:09:30 is 3008.398062313 s in the future tar: ./splice/default_file_splice_read: time stamp 2022-08-11 14:09:18 is 2996.387533568 s in the future tar: ./splice/splice_read: time stamp 2022-08-11 14:09:18 is 2996.380507525 s in the future tar: ./splice: time stamp 2022-08-11 14:09:29 is 3007.369548565 s in the future tar: ./memory-hotplug: time stamp 2022-08-11 14:09:28 is 3006.358802746 s in the future tar: ./net/reuseport_bpf_numa: time stamp 2022-08-11 14:09:07 is 2985.336943993 s in the future tar: ./net/so_txtime: time stamp 2022-08-11 14:09:11 is 2989.326573902 s in the future tar: ./net/forwarding: time stamp 2022-08-11 14:09:28 is 3005.875167215 s in the future tar: ./net/ip_defrag: time stamp 2022-08-11 14:09:11 is 2988.862860993 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-08-11 14:09:11 is 2988.855439867 s in the future tar: ./net/nettest: time stamp 2022-08-11 14:09:09 is 2986.840265454 s in the future tar: ./net/reuseport_dualstack: time stamp 2022-08-11 14:09:07 is 2984.819956422 s in the future tar: ./net/socket: time stamp 2022-08-11 14:09:08 is 2985.81355723 s in the future tar: ./net/tcp_fastopen_backup_key: time stamp 2022-08-11 14:09:11 is 2988.805181114 s in the future tar: ./net/reuseaddr_conflict: time stamp 2022-08-11 14:09:07 is 2984.772791675 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-08-11 14:09:10 is 2987.744574283 s in the future tar: ./net/udpgso: time stamp 2022-08-11 14:09:10 is 2987.725110273 s in the future tar: ./net/hwtstamp_config: time stamp 2022-08-11 14:09:12 is 2989.705163163 s in the future tar: ./net/rxtimestamp: time stamp 2022-08-11 14:09:12 is 2989.689787662 s in the future tar: ./net/udpgso_bench_rx: time stamp 2022-08-11 14:09:11 is 2988.673891408 s in the future tar: ./net/tcp_mmap: time stamp 2022-08-11 14:09:10 is 2987.647466245 s in the future tar: ./net/ipsec: time stamp 2022-08-11 14:09:13 is 2990.616510477 s in the future tar: ./net/psock_snd: time stamp 2022-08-11 14:09:10 is 2987.597009735 s in the future tar: ./net/timestamping: time stamp 2022-08-11 14:09:12 is 2989.580109845 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-08-11 14:09:07 is 2984.533771918 s in the future tar: ./net/fin_ack_lat: time stamp 2022-08-11 14:09:12 is 2989.51487369 s in the future tar: ./net/txtimestamp: time stamp 2022-08-11 14:09:12 is 2989.502286877 s in the future tar: ./net/tls: time stamp 2022-08-11 14:09:08 is 2985.448648442 s in the future tar: ./net/tcp_inq: time stamp 2022-08-11 14:09:10 is 2987.441358345 s in the future tar: ./net/txring_overwrite: time stamp 2022-08-11 14:09:10 is 2987.434391158 s in the future tar: ./net/reuseaddr_ports_exhausted: time stamp 2022-08-11 14:09:12 is 2989.424248953 s in the future tar: ./net/psock_tpacket: time stamp 2022-08-11 14:09:09 is 2986.414163947 s in the future tar: ./net/reuseport_bpf: time stamp 2022-08-11 14:09:07 is 2984.403132044 s in the future tar: ./net/msg_zerocopy: time stamp 2022-08-11 14:09:09 is 2986.392279322 s in the future tar: ./net/ipv6_flowlabel: time stamp 2022-08-11 14:09:11 is 2988.374058874 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-08-11 14:09:13 is 2990.357090687 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-08-11 14:09:13 is 2990.324849776 s in the future tar: ./net/mptcp: time stamp 2022-08-11 14:09:28 is 3005.3172107 s in the future tar: ./net/udpgso_bench_tx: time stamp 2022-08-11 14:09:11 is 2988.287468167 s in the future tar: ./net/psock_fanout: time stamp 2022-08-11 14:09:09 is 2986.27234915 s in the future tar: ./net: time stamp 2022-08-11 14:09:28 is 3005.270242653 s in the future tar: ./netfilter/nf-queue: time stamp 2022-08-11 14:09:14 is 2991.257397058 s in the future tar: ./netfilter: time stamp 2022-08-11 14:09:29 is 3006.190826243 s in the future tar: ./size/get_size: time stamp 2022-08-11 14:09:18 is 2995.181531806 s in the future tar: ./size: time stamp 2022-08-11 14:09:29 is 3006.17907242 s in the future tar: ./zram: time stamp 2022-08-11 14:09:30 is 3007.149639593 s in the future tar: ./static_keys: time stamp 2022-08-11 14:09:29 is 3006.139542961 s in the future tar: ./intel_pstate: time stamp 2022-08-11 14:09:27 is 3004.129143358 s in the future tar: ./lib: time stamp 2022-08-11 14:09:28 is 3005.099753233 s in the future tar: ./x86/check_initial_reg_state_64: time stamp 2022-08-11 14:09:22 is 2998.987452221 s in the future tar: ./x86/test_FISTTP_32: time stamp 2022-08-11 14:09:22 is 2998.981432361 s in the future tar: ./x86/iopl_64: time stamp 2022-08-11 14:09:22 is 2998.974042802 s in the future tar: ./x86/ldt_gdt_32: time stamp 2022-08-11 14:09:22 is 2998.965893703 s in the future tar: ./x86/sigreturn_32: time stamp 2022-08-11 14:09:21 is 2997.957726143 s in the future tar: ./x86/mov_ss_trap_32: time stamp 2022-08-11 14:09:21 is 2997.951328316 s in the future tar: ./x86/ptrace_syscall_32: time stamp 2022-08-11 14:09:22 is 2998.944778859 s in the future tar: ./x86/test_vdso_64: time stamp 2022-08-11 14:09:22 is 2998.937504464 s in the future tar: ./x86/test_vsyscall_32: time stamp 2022-08-11 14:09:21 is 2997.930262572 s in the future tar: ./x86/test_syscall_vdso_32: time stamp 2022-08-11 14:09:22 is 2998.924031648 s in the future tar: ./x86/vdso_restorer_32: time stamp 2022-08-11 14:09:22 is 2998.918875783 s in the future tar: ./x86/syscall_nt_64: time stamp 2022-08-11 14:09:22 is 2998.912594954 s in the future tar: ./x86/fsgsbase_restore_32: time stamp 2022-08-11 14:09:21 is 2997.90711061 s in the future tar: ./x86/test_vdso_32: time stamp 2022-08-11 14:09:21 is 2997.90090196 s in the future tar: ./x86/syscall_arg_fault_32: time stamp 2022-08-11 14:09:21 is 2997.894527909 s in the future tar: ./x86/test_vsyscall_64: time stamp 2022-08-11 14:09:22 is 2998.885086535 s in the future tar: ./x86/check_initial_reg_state_32: time stamp 2022-08-11 14:09:21 is 2997.787829429 s in the future tar: ./x86/syscall_arg_fault_64: time stamp 2022-08-11 14:09:22 is 2998.78119708 s in the future tar: ./x86/ptrace_syscall_64: time stamp 2022-08-11 14:09:22 is 2998.774399353 s in the future tar: ./x86/entry_from_vm86_32: time stamp 2022-08-11 14:09:22 is 2998.766969065 s in the future tar: ./x86/sysret_rip_64: time stamp 2022-08-11 14:09:22 is 2998.758625436 s in the future tar: ./x86/ldt_gdt_64: time stamp 2022-08-11 14:09:22 is 2998.750348616 s in the future tar: ./x86/sysret_ss_attrs_64: time stamp 2022-08-11 14:09:22 is 2998.744072923 s in the future tar: ./x86/mov_ss_trap_64: time stamp 2022-08-11 14:09:22 is 2998.737632314 s in the future tar: ./x86/test_mremap_vdso_32: time stamp 2022-08-11 14:09:21 is 2997.732002494 s in the future tar: ./x86/ioperm_32: time stamp 2022-08-11 14:09:21 is 2997.725835606 s in the future tar: ./x86/unwind_vdso_32: time stamp 2022-08-11 14:09:22 is 2998.719334404 s in the future tar: ./x86/fsgsbase_64: time stamp 2022-08-11 14:09:22 is 2998.710436559 s in the future tar: ./x86/test_mremap_vdso_64: time stamp 2022-08-11 14:09:22 is 2998.703760212 s in the future tar: ./x86/syscall_numbering_64: time stamp 2022-08-11 14:09:22 is 2998.695944272 s in the future tar: ./x86/single_step_syscall_64: time stamp 2022-08-11 14:09:22 is 2998.687369918 s in the future tar: ./x86/fsgsbase_restore_64: time stamp 2022-08-11 14:09:22 is 2998.678642445 s in the future tar: ./x86/syscall_nt_32: time stamp 2022-08-11 14:09:21 is 2997.670652084 s in the future tar: ./x86/sigreturn_64: time stamp 2022-08-11 14:09:22 is 2998.659733594 s in the future tar: ./x86/ioperm_64: time stamp 2022-08-11 14:09:22 is 2998.651382133 s in the future tar: ./x86/single_step_syscall_32: time stamp 2022-08-11 14:09:21 is 2997.642690617 s in the future tar: ./x86/iopl_32: time stamp 2022-08-11 14:09:21 is 2997.634126383 s in the future tar: ./x86/sysret_ss_attrs_32: time stamp 2022-08-11 14:09:21 is 2997.627567987 s in the future tar: ./x86/test_FCOMI_32: time stamp 2022-08-11 14:09:22 is 2998.620898738 s in the future tar: ./x86/test_FCMOV_32: time stamp 2022-08-11 14:09:22 is 2998.614210878 s in the future tar: ./x86: time stamp 2022-08-11 14:09:30 is 3006.610860302 s in the future tar: ./membarrier/membarrier_test_single_thread: time stamp 2022-08-11 14:09:06 is 2982.598740779 s in the future tar: ./membarrier/membarrier_test_multi_thread: time stamp 2022-08-11 14:09:06 is 2982.589682136 s in the future tar: ./membarrier: time stamp 2022-08-11 14:09:28 is 3004.586776979 s in the future tar: ./timers/mqueue-lat: time stamp 2022-08-11 14:09:19 is 2995.576708851 s in the future tar: ./timers/nsleep-lat: time stamp 2022-08-11 14:09:19 is 2995.569505085 s in the future tar: ./timers/rtcpie: time stamp 2022-08-11 14:09:19 is 2995.561820529 s in the future tar: ./timers/valid-adjtimex: time stamp 2022-08-11 14:09:19 is 2995.554005786 s in the future tar: ./timers/alarmtimer-suspend: time stamp 2022-08-11 14:09:19 is 2995.545711773 s in the future tar: ./timers/posix_timers: time stamp 2022-08-11 14:09:19 is 2995.53812699 s in the future tar: ./timers/set-tai: time stamp 2022-08-11 14:09:19 is 2995.530400727 s in the future tar: ./timers/set-tz: time stamp 2022-08-11 14:09:19 is 2995.523063675 s in the future tar: ./timers/skew_consistency: time stamp 2022-08-11 14:09:19 is 2995.509555036 s in the future tar: ./timers/set-timer-lat: time stamp 2022-08-11 14:09:19 is 2995.502064274 s in the future tar: ./timers/set-2038: time stamp 2022-08-11 14:09:19 is 2995.494519765 s in the future tar: ./timers/threadtest: time stamp 2022-08-11 14:09:19 is 2995.487114953 s in the future tar: ./timers/leapcrash: time stamp 2022-08-11 14:09:19 is 2995.479291418 s in the future tar: ./timers/adjtick: time stamp 2022-08-11 14:09:19 is 2995.47108434 s in the future tar: ./timers/freq-step: time stamp 2022-08-11 14:09:19 is 2995.463731427 s in the future tar: ./timers/clocksource-switch: time stamp 2022-08-11 14:09:19 is 2995.45721503 s in the future tar: ./timers/leap-a-day: time stamp 2022-08-11 14:09:19 is 2995.449140206 s in the future tar: ./timers/raw_skew: time stamp 2022-08-11 14:09:19 is 2995.441815223 s in the future tar: ./timers/change_skew: time stamp 2022-08-11 14:09:19 is 2995.43561838 s in the future tar: ./timers/inconsistency-check: time stamp 2022-08-11 14:09:19 is 2995.429604946 s in the future tar: ./timers/nanosleep: time stamp 2022-08-11 14:09:19 is 2995.424108475 s in the future tar: ./timers: time stamp 2022-08-11 14:09:30 is 3006.422040112 s in the future tar: ./sigaltstack/sas: time stamp 2022-08-11 14:09:18 is 2994.414145095 s in the future tar: ./sigaltstack: time stamp 2022-08-11 14:09:29 is 3005.411804557 s in the future tar: ./rseq/librseq.so: time stamp 2022-08-11 14:09:16 is 2992.403588165 s in the future tar: ./rseq/param_test_compare_twice: time stamp 2022-08-11 14:09:17 is 2993.385547894 s in the future tar: ./rseq/param_test_benchmark: time stamp 2022-08-11 14:09:17 is 2993.373191096 s in the future tar: ./rseq/basic_test: time stamp 2022-08-11 14:09:16 is 2992.367701777 s in the future tar: ./rseq/param_test: time stamp 2022-08-11 14:09:17 is 2993.353624644 s in the future tar: ./rseq/basic_percpu_ops_test: time stamp 2022-08-11 14:09:16 is 2992.345279612 s in the future tar: ./rseq: time stamp 2022-08-11 14:09:29 is 3005.341062825 s in the future tar: ./pid_namespace/regression_enomem: time stamp 2022-08-11 14:09:14 is 2990.332412018 s in the future tar: ./pid_namespace: time stamp 2022-08-11 14:09:29 is 3005.330867741 s in the future tar: ./cgroup/test_freezer: time stamp 2022-08-11 14:08:56 is 2972.320928465 s in the future tar: ./cgroup/test_kmem: time stamp 2022-08-11 14:08:56 is 2972.315141039 s in the future tar: ./cgroup/test_memcontrol: time stamp 2022-08-11 14:08:56 is 2972.305556245 s in the future tar: ./cgroup/test_core: time stamp 2022-08-11 14:08:56 is 2972.299498276 s in the future tar: ./cgroup: time stamp 2022-08-11 14:09:26 is 3002.298532325 s in the future tar: ./android/run.sh: time stamp 2022-08-11 14:09:22 is 2998.295636118 s in the future tar: ./android: time stamp 2022-08-11 14:09:22 is 2998.294759311 s in the future tar: ./lkdtm/EXEC_USERSPACE.sh: time stamp 2022-08-11 14:09:06 is 2982.291494944 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_FROM.sh: time stamp 2022-08-11 14:09:06 is 2982.289257296 s in the future tar: ./lkdtm/WARNING.sh: time stamp 2022-08-11 14:09:06 is 2982.286927527 s in the future tar: ./lkdtm/SLAB_FREE_PAGE.sh: time stamp 2022-08-11 14:09:06 is 2982.284273613 s in the future tar: ./lkdtm/EXEC_RODATA.sh: time stamp 2022-08-11 14:09:06 is 2982.281695294 s in the future tar: ./lkdtm/SLAB_FREE_DOUBLE.sh: time stamp 2022-08-11 14:09:06 is 2982.279247866 s in the future tar: ./lkdtm/SOFTLOCKUP.sh: time stamp 2022-08-11 14:09:06 is 2982.276900893 s in the future tar: ./lkdtm/SPINLOCKUP.sh: time stamp 2022-08-11 14:09:06 is 2982.274422061 s in the future tar: ./lkdtm/REFCOUNT_INC_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2982.271895176 s in the future tar: ./lkdtm/CORRUPT_LIST_DEL.sh: time stamp 2022-08-11 14:09:06 is 2982.26943911 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_NEGATIVE.sh: time stamp 2022-08-11 14:09:06 is 2982.267217897 s in the future tar: ./lkdtm/HUNG_TASK.sh: time stamp 2022-08-11 14:09:06 is 2982.265010935 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_TO.sh: time stamp 2022-08-11 14:09:06 is 2982.262669991 s in the future tar: ./lkdtm/CFI_FORWARD_PROTO.sh: time stamp 2022-08-11 14:09:06 is 2982.260432262 s in the future tar: ./lkdtm/USERCOPY_HEAP_SIZE_TO.sh: time stamp 2022-08-11 14:09:06 is 2982.257928761 s in the future tar: ./lkdtm/SLAB_FREE_CROSS.sh: time stamp 2022-08-11 14:09:06 is 2982.255455449 s in the future tar: ./lkdtm/DOUBLE_FAULT.sh: time stamp 2022-08-11 14:09:06 is 2982.253285785 s in the future tar: ./lkdtm/WRITE_BUDDY_AFTER_FREE.sh: time stamp 2022-08-11 14:09:06 is 2982.250622199 s in the future tar: ./lkdtm/EXHAUST_STACK.sh: time stamp 2022-08-11 14:09:06 is 2982.248373147 s in the future tar: ./lkdtm/REFCOUNT_DEC_ZERO.sh: time stamp 2022-08-11 14:09:06 is 2982.245937414 s in the future tar: ./lkdtm/CORRUPT_LIST_ADD.sh: time stamp 2022-08-11 14:09:06 is 2982.243351396 s in the future tar: ./lkdtm/EXCEPTION.sh: time stamp 2022-08-11 14:09:06 is 2982.241059203 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_NEGATIVE.sh: time stamp 2022-08-11 14:09:06 is 2982.238520404 s in the future tar: ./lkdtm/REFCOUNT_DEC_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2982.23635148 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-11 14:09:06 is 2982.234099144 s in the future tar: ./lkdtm/REFCOUNT_ADD_ZERO.sh: time stamp 2022-08-11 14:09:06 is 2982.231751749 s in the future tar: ./lkdtm/ACCESS_USERSPACE.sh: time stamp 2022-08-11 14:09:06 is 2982.229362061 s in the future tar: ./lkdtm/WRITE_AFTER_FREE.sh: time stamp 2022-08-11 14:09:06 is 2982.226534592 s in the future tar: ./lkdtm/HARDLOCKUP.sh: time stamp 2022-08-11 14:09:06 is 2982.223579411 s in the future tar: ./lkdtm/CORRUPT_STACK.sh: time stamp 2022-08-11 14:09:06 is 2982.221281895 s in the future tar: ./lkdtm/WRITE_RO_AFTER_INIT.sh: time stamp 2022-08-11 14:09:06 is 2982.218685333 s in the future tar: ./lkdtm/USERCOPY_STACK_BEYOND.sh: time stamp 2022-08-11 14:09:06 is 2982.216400536 s in the future tar: ./lkdtm/WRITE_KERN.sh: time stamp 2022-08-11 14:09:06 is 2982.214048737 s in the future tar: ./lkdtm/REFCOUNT_TIMING.sh: time stamp 2022-08-11 14:09:06 is 2982.211191967 s in the future tar: ./lkdtm/REFCOUNT_DEC_NEGATIVE.sh: time stamp 2022-08-11 14:09:06 is 2982.208587119 s in the future tar: ./lkdtm/UNSET_SMEP.sh: time stamp 2022-08-11 14:09:06 is 2982.206375755 s in the future tar: ./lkdtm/REFCOUNT_INC_OVERFLOW.sh: time stamp 2022-08-11 14:09:06 is 2982.203973526 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_LEADING.sh: time stamp 2022-08-11 14:09:06 is 2982.20155221 s in the future tar: ./lkdtm/USERCOPY_KERNEL.sh: time stamp 2022-08-11 14:09:06 is 2981.813024257 s in the future tar: ./lkdtm/READ_AFTER_FREE.sh: time stamp 2022-08-11 14:09:06 is 2981.807167728 s in the future tar: ./lkdtm/PANIC.sh: time stamp 2022-08-11 14:09:06 is 2981.802573356 s in the future tar: ./lkdtm/EXEC_DATA.sh: time stamp 2022-08-11 14:09:06 is 2981.798361392 s in the future tar: ./lkdtm/CORRUPT_PAC.sh: time stamp 2022-08-11 14:09:06 is 2981.794290571 s in the future tar: ./lkdtm/BUG.sh: time stamp 2022-08-11 14:09:06 is 2981.78992171 s in the future tar: ./lkdtm/REFCOUNT_DEC_AND_TEST_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2981.786053262 s in the future tar: ./lkdtm/REFCOUNT_SUB_AND_TEST_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2981.782058952 s in the future tar: ./lkdtm/WARNING_MESSAGE.sh: time stamp 2022-08-11 14:09:06 is 2981.777826224 s in the future tar: ./lkdtm/STACK_GUARD_PAGE_TRAILING.sh: time stamp 2022-08-11 14:09:06 is 2981.773216541 s in the future tar: ./lkdtm/READ_BUDDY_AFTER_FREE.sh: time stamp 2022-08-11 14:09:06 is 2981.769012099 s in the future tar: ./lkdtm/REFCOUNT_ADD_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2981.764223919 s in the future tar: ./lkdtm/EXEC_VMALLOC.sh: time stamp 2022-08-11 14:09:06 is 2981.759210144 s in the future tar: ./lkdtm/EXEC_STACK.sh: time stamp 2022-08-11 14:09:06 is 2981.753111472 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2981.743304652 s in the future tar: ./lkdtm/WRITE_RO.sh: time stamp 2022-08-11 14:09:06 is 2981.738307318 s in the future tar: ./lkdtm/ATOMIC_TIMING.sh: time stamp 2022-08-11 14:09:06 is 2981.73330512 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_FROM.sh: time stamp 2022-08-11 14:09:06 is 2981.728211593 s in the future tar: ./lkdtm/REFCOUNT_ADD_OVERFLOW.sh: time stamp 2022-08-11 14:09:06 is 2981.722784115 s in the future tar: ./lkdtm/ACCESS_NULL.sh: time stamp 2022-08-11 14:09:06 is 2981.716907846 s in the future tar: ./lkdtm/REFCOUNT_ADD_NOT_ZERO_SATURATED.sh: time stamp 2022-08-11 14:09:06 is 2981.710846999 s in the future tar: ./lkdtm/EXEC_KMALLOC.sh: time stamp 2022-08-11 14:09:06 is 2981.704857694 s in the future tar: ./lkdtm/REFCOUNT_INC_ZERO.sh: time stamp 2022-08-11 14:09:06 is 2981.69894613 s in the future tar: ./lkdtm/STACKLEAK_ERASING.sh: time stamp 2022-08-11 14:09:06 is 2981.692526413 s in the future tar: ./lkdtm/OVERWRITE_ALLOCATION.sh: time stamp 2022-08-11 14:09:06 is 2981.686765534 s in the future tar: ./lkdtm/UNALIGNED_LOAD_STORE_WRITE.sh: time stamp 2022-08-11 14:09:06 is 2981.680840399 s in the future tar: ./lkdtm/CORRUPT_STACK_STRONG.sh: time stamp 2022-08-11 14:09:06 is 2981.674930635 s in the future tar: ./lkdtm/EXEC_NULL.sh: time stamp 2022-08-11 14:09:06 is 2981.668778428 s in the future tar: ./lkdtm/LOOP.sh: time stamp 2022-08-11 14:09:06 is 2981.66294481 s in the future tar: ./lkdtm/USERCOPY_HEAP_WHITELIST_TO.sh: time stamp 2022-08-11 14:09:06 is 2981.657109674 s in the future tar: ./lkdtm/REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh: time stamp 2022-08-11 14:09:06 is 2981.65222794 s in the future tar: ./lkdtm/USERCOPY_STACK_FRAME_FROM.sh: time stamp 2022-08-11 14:09:06 is 2981.646216145 s in the future tar: ./lkdtm: time stamp 2022-08-11 14:09:28 is 3003.642887813 s in the future tar: ./kselftest-list.txt: time stamp 2022-08-11 14:09:31 is 3006.635679414 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-08-11 14:08:59 is 2974.625354771 s in the future tar: ./kcmp: time stamp 2022-08-11 14:09:27 is 3002.622632651 s in the future tar: ./mqueue/mq_open_tests: time stamp 2022-08-11 14:09:06 is 2981.611066478 s in the future tar: ./mqueue/mq_perf_tests: time stamp 2022-08-11 14:09:06 is 2981.602004755 s in the future tar: ./mqueue: time stamp 2022-08-11 14:09:28 is 3003.599576762 s in the future tar: ./pidfd/pidfd_fdinfo_test: time stamp 2022-08-11 14:09:14 is 2989.58928217 s in the future tar: ./pidfd/pidfd_setns_test: time stamp 2022-08-11 14:09:14 is 2989.575240803 s in the future tar: ./pidfd/pidfd_test: time stamp 2022-08-11 14:09:14 is 2989.567178912 s in the future tar: ./pidfd/pidfd_wait: time stamp 2022-08-11 14:09:14 is 2989.557005171 s in the future tar: ./pidfd/pidfd_getfd_test: time stamp 2022-08-11 14:09:14 is 2989.547527999 s in the future tar: ./pidfd/pidfd_poll_test: time stamp 2022-08-11 14:09:14 is 2989.541086747 s in the future tar: ./pidfd/pidfd_open_test: time stamp 2022-08-11 14:09:14 is 2989.535051165 s in the future tar: ./pidfd: time stamp 2022-08-11 14:09:29 is 3004.533018417 s in the future tar: ./kselftest/prefix.pl: time stamp 2022-08-11 14:09:22 is 2997.527281352 s in the future tar: ./kselftest/runner.sh: time stamp 2022-08-11 14:09:22 is 2997.5233318 s in the future tar: ./kselftest/module.sh: time stamp 2022-08-11 14:09:22 is 2997.519065612 s in the future tar: ./kselftest: time stamp 2022-08-11 14:09:22 is 2997.516902214 s in the future tar: ./breakpoints/step_after_suspend_test: time stamp 2022-08-11 14:08:55 is 2970.507874088 s in the future tar: ./breakpoints: time stamp 2022-08-11 14:09:26 is 3001.505807643 s in the future tar: ./tmpfs/bug-link-o-tmpfile: time stamp 2022-08-11 14:09:19 is 2994.497389444 s in the future tar: ./tmpfs: time stamp 2022-08-11 14:09:30 is 3005.495229443 s in the future tar: ./clone3/clone3_clear_sighand: time stamp 2022-08-11 14:08:56 is 2971.48607554 s in the future tar: ./clone3/clone3_cap_checkpoint_restore: time stamp 2022-08-11 14:08:56 is 2971.477240214 s in the future tar: ./clone3/clone3_set_tid: time stamp 2022-08-11 14:08:56 is 2971.469387835 s in the future tar: ./clone3/clone3: time stamp 2022-08-11 14:08:56 is 2971.462330905 s in the future tar: ./clone3: time stamp 2022-08-11 14:09:26 is 3001.460069354 s in the future tar: ./timens/futex: time stamp 2022-08-11 14:09:18 is 2993.451445168 s in the future tar: ./timens/procfs: time stamp 2022-08-11 14:09:18 is 2993.445384083 s in the future tar: ./timens/timer: time stamp 2022-08-11 14:09:18 is 2993.438939537 s in the future tar: ./timens/exec: time stamp 2022-08-11 14:09:18 is 2993.433117833 s in the future tar: ./timens/clock_nanosleep: time stamp 2022-08-11 14:09:18 is 2993.427210463 s in the future tar: ./timens/timerfd: time stamp 2022-08-11 14:09:18 is 2993.421390784 s in the future tar: ./timens/timens: time stamp 2022-08-11 14:09:18 is 2993.414917252 s in the future tar: ./timens/gettime_perf: time stamp 2022-08-11 14:09:18 is 2993.409119224 s in the future tar: ./timens: time stamp 2022-08-11 14:09:30 is 3005.407144654 s in the future tar: ./mincore/mincore_selftest: time stamp 2022-08-11 14:09:06 is 2981.396802535 s in the future tar: ./mincore: time stamp 2022-08-11 14:09:28 is 3003.394663852 s in the future tar: ./sync/sync_test: time stamp 2022-08-11 14:09:18 is 2993.383911737 s in the future tar: ./sync: time stamp 2022-08-11 14:09:29 is 3004.382174971 s in the future tar: ./livepatch: time stamp 2022-08-11 14:09:28 is 3003.349303199 s in the future tar: ./sysctl: time stamp 2022-08-11 14:09:29 is 3004.339108984 s in the future tar: .: time stamp 2022-08-11 14:09:31 is 3006.336610655 s in the future skiplist: ======================================== breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait ======================================== [ 48.742602] 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 [ 48.907656] lkdtm: Performing direct entry BUG [ 48.912721] ------------[ cut here ]------------ [ 48.917909] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 48.923776] invalid opcode: 0000 [#1] SMP PTI [ 48.928648] CPU: 1 PID: 726 Comm: cat Tainted: G W 5.10.136-cip13 #1 [ 48.937202] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 48.944011] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 48.948394] Code: 89 ff e8 de bc 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 80 03 74 02 [ 48.969378] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 48.975212] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.983183] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 48.991144] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 48.999114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.007084] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 49.015054] FS: 00007f5b71f5f580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 49.024095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.030510] CR2: 00007f5b71d78000 CR3: 00000001056f0005 CR4: 00000000003706e0 [ 49.038479] Call Trace: [ 49.041197] direct_entry.cold+0x2c/0x38 [ 49.045577] full_proxy_write+0x53/0x80 [ 49.049865] vfs_write+0xe7/0x3a0 [ 49.053564] ksys_write+0x68/0xf0 [ 49.057278] do_syscall_64+0x30/0x40 [ 49.061278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.066920] RIP: 0033:0x7f5b71e87f33 [ 49.070909] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.091885] RSP: 002b:00007ffd21fa7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.100341] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5b71e87f33 [ 49.108320] RDX: 0000000000000004 RSI: 00007f5b71d78000 RDI: 0000000000000001 [ 49.116281] RBP: 00007f5b71d78000 R08: 00007f5b71d77010 R09: 0000000000000000 [ 49.124251] R10: 00007f5b71f821c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.132246] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.140246] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.166714] ---[ end trace febdcaa53cdb3d15 ]--- [ 49.171904] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 49.176294] Code: 89 ff e8 de bc 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 80 03 74 02 [ 49.197302] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 49.203174] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 49.211179] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 49.219206] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 49.227190] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 49.235191] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 49.243193] FS: 00007f5b71f5f580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 49.252280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.258705] CR2: 00007f5b71d78000 CR3: 00000001056f0005 CR4: 00000000003706e0 # Segmentation fault # [ 48.907656] lkdtm: Performing direct entry BUG # [ 48.912721] ------------[ cut here ]------------ # [ 48.917909] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 48.923776] invalid opcode: 0000 [#1] SMP PTI # [ 48.928648] CPU: 1 PID: 726 Comm: cat Tainted: G W 5.10.136-cip13 #1 # [ 48.937202] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 48.944011] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 48.948394] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 48.969378] RSP: 0018:ffff9d40814c7e60 EFL[ 49.348451] lkdtm: Performing direct entry WARNING [ 49.354896] ------------[ cut here ]------------ [ 49.360067] WARNING: CPU: 3 PID: 762 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 49.369505] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 49.395953] CPU: 3 PID: 762 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 49.404508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 49.411324] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 49.416213] 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 80 03 74 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 61 03 [ 49.437198] RSP: 0018:ffff9d408151fe60 EFLAGS: 00010202 [ 49.443036] RAX: ffffffffb0cde1a0 RBX: 0000000000000002 RCX: 0000000000000000 [ 49.451007] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb18d9d40 AGS: 00010286 # [ 48.975212] RAX: ffffffffb0cde190 RBX: 00000[ 49.458984] RBP: ffffffffb1cc875f R08: 0000000000000000 R09: 0000000000000000 [ 49.473173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 [ 49.481145] R13: ffff9d408151ff10 R14: ffff9d408151ff10 R15: ffff99e7c4cbf000 [ 49.489116] FS: 00007f786fc1e580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 49.498159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.504577] CR2: 00007f786fa37000 CR3: 000000010566e004 CR4: 00000000003706e0 [ 49.512570] Call Trace: 00000000001 RCX: 0000000000000000 # [ 48.983183] RDX: 0000000[ 49.515314] direct_entry.cold+0x2c/0x38 [ 49.525899] full_proxy_write+0x53/0x80 [ 49.530215] vfs_write+0xe7/0x3a0 [ 49.533939] ksys_write+0x68/0xf0 [ 49.537641] do_syscall_64+0x30/0x40 [ 49.541659] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 49.547301] RIP: 0033:0x7f786fb46f33 [ 49.551336] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 49.572327] RSP: 002b:00007fff8b8ef5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 49.580776] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f786fb46f33 [ 49.588747] RDX: 0000000000000008 RSI: 00007f786fa37000 RDI: 0000000000000001 [ 49.596720] RBP: 00007f786fa37000 R08: 00007f786fa36010 R09: 0000000000000000 [ 49.604691] R10: 00007f786fc411c0 R11: 0000000000000246 R12: 0000000000000001 [ 49.612664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 49.620641] irq event stamp: 0 000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 48.[ 49.624073] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 49.637287] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 49.646424] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 49.655560] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.662562] ---[ end trace febdcaa53cdb3d16 ]--- 991144] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 48.999114] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 49.007084] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 49.015054] FS: 00007f5b71f5f580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 49.024095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.030510] CR2: 00007f5b71d78000 CR3: 00000001056f0005 CR4: 00000000003706e0 # [ 49.038479] Call Trace: # [ 49.041197] direct_entry.cold+0x2c/0x38 # [ 49.045577] full_proxy_write+0x53/0x80 # [ 49.049865] vfs_write+0xe7/0x3a0 # [ 49.053564] ksys_write+0x68/0xf0 # [ 49.057278] do_syscall_64+0x30/0x40 # [ 49.061278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.066920] RIP: 0033:0x7f5b71e87f33 # [ 49.070909] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.091885] RSP: 002b:0000[ 49.768429] lkdtm: Performing direct entry WARNING_MESSAGE 7ffd21fa7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ [ 49.779562] ------------[ cut here ]------------ 49.100341] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000[ 49.790949] Warning message trigger count: 2 7f5b71e87f33 # [ 49.108320] RDX: 0000000000000004 RSI: 00007f[ 49.801943] WARNING: CPU: 0 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 5b71d78000 RDI: 0000000000000001 # [ 49.116281] RBP: 00007f5b[ 49.818395] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 71d78000 R08: 00007f5b71d77010 R09: 0000000000000000 # [ 49.1[ 49.851014] CPU: 0 PID: 797 Comm: cat Tainted: G D W 5.10.136-cip13 #1 24251] R10: 00007f5b71f821c0 R11: 0000000000000246 R12: 00000000[ 49.865801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000001 # [ 49.132246] R13: 0000000000000001 R14: 0000000000[ 49.878814] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 020000 R15: 0000000000020000 # [ 49.140246] Modules linked in[ 49.890769] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c cc b1 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 : fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrial[ 49.917861] RSP: 0018:ffff9d40815d7e60 EFLAGS: 00010286 io_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec[ 49.929932] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 _chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_[ 49.944107] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.166714][ 49.958300] RBP: ffffffffb1cc8767 R08: 0000000000000000 R09: 0000000000000000 ---[ end trace febdcaa53cdb3d15 ]--- # [ 49.171904] RIP: 001[ 49.972487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 0:lkdtm_BUG+0x5/0x10 # [ 49.176294] Code: 89 ff e8 de bc a3 f[ 49.986688] R13: ffff9d40815d7f10 R14: ffff9d40815d7f10 R15: ffff99e7c3ad0000 f 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc[ 50.000868] FS: 00007f44e6a46580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 0[ 50.016132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 49.197302][ 50.028785] CR2: 00007f44e685f000 CR3: 00000001013f2003 CR4: 00000000003706f0 RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 49.203174] R[ 50.043006] Call Trace: AX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000[ 50.051929] direct_entry.cold+0x2c/0x38 # [ 49.211179] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 R[ 50.062522] full_proxy_write+0x53/0x80 DI: ffffffffb18d9d30 # [ 49.219206] RBP: ffffffffb1d23c60 R08[ 50.073034] vfs_write+0xe7/0x3a0 : 0000000000000001 R09: 0000000000000001 # [ 49.227190] R10: [ 50.082984] ksys_write+0x68/0xf0 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 50.092873] do_syscall_64+0x30/0x40 [ 49.235191] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: [ 50.103081] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffff99e7c571d000 # [ 49.243193] FS: 00007f5b71f5f580(0000) G[ 50.114963] RIP: 0033:0x7f44e696ef33 S:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 49.252280[ 50.125202] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 49.25[ 50.152373] RSP: 002b:00007ffe6ee00278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8705] CR2: 00007f5b71d78000 CR3: 00000001056f0005 CR4: 000000000[ 50.167060] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f44e696ef33 03706e0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: [ 50.181269] RDX: 0000000000000010 RSI: 00007f44e685f000 RDI: 0000000000000001 BUG.sh # selftests: lkdtm: WARNING.sh # [ 49.348451] lkdtm: [ 50.195482] RBP: 00007f44e685f000 R08: 00007f44e685e010 R09: 0000000000000000 Performing direct entry WARNING # [ 49.354896] ------------[ [ 50.209666] R10: 00007f44e6a691c0 R11: 0000000000000246 R12: 0000000000000001 cut here ]------------ # [ 49.360067] WARNING: CPU: 3 PID: 76[ 50.223886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 2 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ [ 50.238053] irq event stamp: 0 49.369505] Modules linked in: fuse ip_tables cros_ec_sensors cr[ 50.247685] hardirqs last enabled at (0): [<0000000000000000>] 0x0 os_ec_sensors_core industrialio_triggered_buffer kfifo_buf indus[ 50.260917] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 trialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_d[ 50.276277] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ebugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_u[ 50.291623] softirqs last disabled at (0): [<0000000000000000>] 0x0 sbpd_notify # [ 49.395953] CPU: 3 PID: 762 Comm: cat Tainted:[ 50.304871] ---[ end trace febdcaa53cdb3d17 ]--- G D W 5.10.136-cip13 #1 # [ 49.404508] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.411324] RIP: 0010:lkdtm_WARNING+0x13/0x20 # [ 49.416213] 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 80 03 74 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 61 03 # [ 49.437198] RSP: 0018:ffff9d408151fe60 EFLAGS: 00010202 # [ 49.443036] RAX: ffffffffb0cde1a0 RBX: 0000000000000002 RCX: 0000000000000000 # [ 49.451007] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb18d9d40 # [ 49.458984] RBP: ffffffffb1cc875f R08: 0000000000000000 R09: 0000000000000000 # [ 49.473173] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 49.481145] R13: ffff9d408151ff10 R14: ffff9d408151ff10 R15: ffff99e7c4cbf000 # [ 49.489116] FS: 00007f786fc1e580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 50.406700] lkdtm: Performing direct entry EXCEPTION [ 50.414968] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 50.422753] #PF: supervisor write access in kernel mode [ 50.428587] #PF: error_code(0x0002) - not-present page [ 50.434325] PGD 0 P4D 0 [ 50.437152] Oops: 0002 [#2] SMP PTI [ 50.441043] CPU: 2 PID: 829 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 50.449596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.456404] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 [ 50.461363] Code: 48 c7 c7 c0 8c cc b1 8d 70 01 89 35 51 03 74 02 e8 28 16 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 [ 50.482346] RSP: 0018:ffff9d408162fe60 EFLAGS: 00010286 [ 50.488180] RAX: ffffffffb0cde1f0 RBX: 0000000000000004 RCX: 0000000000000000 [ 50.496150] RDX: 0000000000000000 RSI: ffff99e83ad1bf70 RDI: ffffffffb18d9d60 [ 50.504109] RBP: ffffffffb1bfdcff R08: 0000000000000000 R09: 0000000000000000 [ 50.512076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 50.520046] R13: ffff9d408162ff10 R14: ffff9d408162ff10 R15: ffff99e7c551f000 [ 50.528017] FS: 00007fd151270580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 50.537048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.543464] CR2: 0000000000000000 CR3: 0000000105434002 CR4: 00000000003706e0 [ 50.551433] Call Trace: [ 50.554162] direct_entry.cold+0x2c/0x38 [ 50.558543] full_proxy_write+0x53/0x80 [ 50.562824] vfs_write+0xe7/0x3a0 [ 50.566521] ksys_write+0x68/0xf0 [ 50.570212] do_syscall_64+0x30/0x40 [ 50.574201] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 50.579833] RIP: 0033:0x7fd151198f33 [ 50.583822] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.604805] RSP: 002b:00007ffd889417d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.613280] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd151198f33 [ 50.621267] RDX: 000000000000000a RSI: 00007fd151089000 RDI: 0000000000000001 [ 49.498159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 50.629243] RBP: 00007fd151089000 R08: 00007fd151088010 R09: 0000000000000000 [ 50.643426] R10: 00007fd1512931c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.651394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 50.659367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.504577] CR2: 00007f786fa37000 CR3: 000000010566e004 C[ 50.685821] CR2: 0000000000000000 [ 50.695733] ---[ end trace febdcaa53cdb3d18 ]--- R4: 00000000003706e0 # [ 49.512570] Call Trace: # [ 49.515[ 50.700890] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 50.711504] Code: 89 ff e8 de bc 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 80 03 74 02 314] direct_entry.cold+0x2c/0x38 # [ 49.525899] full_proxy_[ 50.732488] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 50.744534] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 50.752501] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 50.760469] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 50.768438] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 50.776405] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 50.784374] FS: 00007fd151270580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 50.793402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.799816] CR2: 0000000000000000 CR3: 0000000105434002 CR4: 00000000003706e0 [ 50.807783] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 50.817694] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 829, name: cat [ 50.826051] INFO: lockdep is turned off. [ 50.830426] irq event stamp: 0 [ 50.833832] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 50.840825] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 50.849958] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 50.859084] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 50.866082] CPU: 2 PID: 829 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 50.874633] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 50.881438] Call Trace: [ 50.884165] dump_stack+0x77/0x9b [ 50.887862] ___might_sleep.cold+0xa6/0xb6 [ 50.892426] exit_signals+0x1c/0x2e0 [ 50.896403] do_exit+0xd5/0xb00 [ 50.899905] ? ksys_write+0x68/0xf0 [ 50.903796] rewind_stack_do_exit+0x17/0x20 [ 50.908455] RIP: 0033:0x7fd151198f33 [ 50.912442] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 50.933421] RSP: 002b:00007ffd889417d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 50.941875] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd151198f33 [ 50.949842] RDX: 000000000000000a RSI: 00007fd151089000 RDI: 0000000000000001 [ 50.957808] RBP: 00007fd151089000 R08: 00007fd151088010 R09: 0000000000000000 [ 50.965778] R10: 00007fd1512931c0 R11: 0000000000000246 R12: 0000000000000001 [ 50.973744] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 write+0x53/0x80 # [ 49.530215] vfs_write+0xe7/0x3a0 # [ 49.533939] ksys_write+0x68/0xf0 # [ 49.537641] do_syscall_64+0x30/0x40 # [ 49.541659] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 49.547301] RIP: 0033:0x7f786fb46f33 # [ 49.551336] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 49.572327] RSP: 002b:00007fff8b8ef5b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 49.580776] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f786fb46f33 # [ 49.588747] RDX: 0000000000000008 RSI: 00007f786fa37000 RDI: 0000000000000001 # [ 49.596720] RBP: 00007f786fa37000 R08: 00007f786fa36010 R09: 0000000000000000 # [ 49.604691] R10: 00007f786fc411c0 R11: 0000000000000246 R12: 0000000000000001 # [ 49.612664] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 49.620641] irq event stamp: 0 # [ 49.624073] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 49.637287] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 49.646424] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 49.655560] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 49.662562] ---[ end trace febdcaa53cdb3d16 ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 49.768429] lkdtm: Performing direct entry WARNING_MESSAGE # [ 49.779562] ------------[ cut here ]------------ # [ 49.790949] Warning message trigger count: 2 # [ 49.801943] WARNING: CPU: 0 PID: 797 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.818395] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 49.851014] CPU: 0 PID: 797 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 49.865801] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 49.878814] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 49.890769] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 61 03 74 02 48 c7 c7 c0 8c cc b1 8d 70 01 89 35 51 03 74 02 e8 28 16 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 49.917861] RSP: 0018:ffff9d40815d7e60 EFLAGS: 00010286 # [ 49.929932] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 # [ 49.944107] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ 49.958300] RBP: ffffffffb1cc8767 R08: 0000000000000000 R09: 0000000000000000 # [ 49.972487] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 49.986688] R13: ffff9d40815d7f10 R14: ff[ 51.267138] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 51.273877] lkdtm: attempting good list addition [ 51.279051] lkdtm: attempting corrupted list addition ff9d40815d7f10 R15: ffff99e7c3ad0000 # [ 50.000868] FS: 0000[ 51.284712] lkdtm: list_add() corruption not detected! 7f44e6a46580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 50.016132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.028785] CR2: 00007f44e685f000 CR3: 00000001013f2003 CR4: 00000000003706f0 # [ 50.043006] Call Trace: # [ 50.051929] direct_entry.cold+0x2c/0x38 # [ 50.062522] full_proxy_write+0x53/0x80 # [ 50.073034] vfs_write+0xe7/0x3a0 # [ 50.082984] ksys_write+0x68/0xf0 # [ 50.092873] do_syscall_64+0x30/0x40 # [ 50.103081] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.114963] RIP: 0033:0x7f44e696ef33 # [ 50.125202] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 50.152373] RSP: 002b:00007ffe6ee00278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.167060] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f44e696ef33 # [ 50.181269] RDX: 0000000000000010 RSI: 00007f44e685f000 RDI: 0000000000000001 # [ 50.195482] RBP: 00007f44e685f000 R08: 00007f44e685e010 R09: 0000000000000000 # [ 50.209666] R10: 00007f44e6a691c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.223886] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.238053] irq event stamp: 0 # [ 50.247685] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 51.429869] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 50.260917] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.276277] softirqs last [ 51.451105] lkdtm: attempting corrupted list removal enabled at (0): [] copy_process+0x640/0x1c80 [ 51.462892] lkdtm: list_del() corruption not detected! # [ 50.291623] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 50.304871] ---[ end trace febdcaa53cdb3d17 ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 50.406700] lkdtm: Performing direct entry EXCEPTION # [ 50.414968] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 50.422753] #PF: supervisor write access in kernel mode # [ 50.428587] #PF: error_code(0x0002) - not-present page # [ 50.434325] PGD 0 P4D 0 # [ 50.437152] Oops: 0002 [#2] SMP PTI # [ 50.441043] CPU: 2 PID: 829 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 50.449596] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.456404] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 50.461363] Code: 48 c7 c7 c0 8c cc b1 8d 70 01 89 35 51 03 74 02 e8 28 16 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 # [ 50.482346] RSP: 0018:ffff9d408162fe60 EFLAGS: 0001[ 51.578385] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 51.587486] lkdtm: attempting bad read from page below current stack [ 51.594595] BUG: stack guard page was hit at 000000003f74ed02 (stack is 000000009fb4c829..00000000401eaa53) [ 51.605488] kernel stack overflow (page fault): 0000 [#3] SMP PTI 0286 # [ 50.488180] RAX: ffffffffb0cde1f0 RBX: 00000000000000[ 51.612293] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 51.627155] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 51.633963] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 51.640475] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 cc b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 cc b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 [ 51.661456] RSP: 0018:ffff9d408196fe50 EFLAGS: 00010246 [ 51.667279] RAX: 0000000000000038 RBX: ffff9d408196c000 RCX: 0000000000000000 [ 51.675249] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb1cc90a0 [ 51.683241] RBP: ffffffffb1cc87ca R08: 0000000000000000 R09: 0000000000000000 [ 51.691209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 51.699177] R13: ffff9d408196ff10 R14: ffff9d408196ff10 R15: ffff99e7c3ba7000 [ 51.707145] FS: 00007ff52e4a1580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 51.716173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.722581] CR2: ffff9d408196bfff CR3: 00000001013f2001 CR4: 00000000003706e0 [ 51.730549] Call Trace: [ 51.733277] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 51.738334] direct_entry.cold+0x2c/0x38 [ 51.742713] full_proxy_write+0x53/0x80 [ 51.746994] vfs_write+0xe7/0x3a0 [ 51.750691] ksys_write+0x68/0xf0 [ 51.754380] do_syscall_64+0x30/0x40 [ 51.758369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 51.764007] RIP: 0033:0x7ff52e3c9f33 [ 51.767993] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 51.788972] RSP: 002b:00007fff6cbf7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 51.797427] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff52e3c9f33 [ 51.805393] RDX: 0000000000000019 RSI: 00007ff52e2ba000 RDI: 0000000000000001 [ 51.813361] RBP: 00007ff52e2ba000 R08: 00007ff52e2b9010 R09: 0000000000000000 [ 51.821331] R10: 00007ff52e4c41c0 R11: 0000000000000246 R12: 0000000000000001 [ 51.829300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 04 RCX: 0000000000000000 # [ 50.496150] RDX: 0000000000000000[ 51.837280] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 51.869914] ---[ end trace febdcaa53cdb3d19 ]--- [ 51.875067] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 51.879443] Code: 89 ff e8 de bc 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 80 03 74 02 [ 51.900423] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 51.906277] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 51.914248] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 51.922242] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 51.930200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 51.938168] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 51.946136] FS: 00007ff52e4a1580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 51.955164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.961578] CR2: ffff9d408196bfff CR3: 00000001013f2001 CR4: 00000000003706e0 [ 51.969548] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 51.979457] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat [ 51.987911] INFO: lockdep is turned off. [ 51.992285] irq event stamp: 0 [ 51.995691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.002688] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.011819] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.020952] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.027950] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 52.036589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.043393] Call Trace: [ 52.046120] dump_stack+0x77/0x9b [ 52.049817] ___might_sleep.cold+0xa6/0xb6 [ 52.054390] exit_signals+0x1c/0x2e0 [ 52.058377] do_exit+0xd5/0xb00 [ 52.061870] ? ksys_write+0x68/0xf0 [ 52.065762] rewind_stack_do_exit+0x17/0x20 [ 52.070428] RIP: 0033:0x7ff52e3c9f33 [ 52.074415] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.095397] RSP: 002b:00007fff6cbf7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.103850] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff52e3c9f33 [ 52.111818] RDX: 0000000000000019 RSI: 00007ff52e2ba000 RDI: 0000000000000001 [ 52.119785] RBP: 00007ff52e2ba000 R08: 00007ff52e2b9010 R09: 0000000000000000 [ 52.127752] R10: 00007ff52e4c41c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.135719] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RSI: ffff99e83ad1bf70 RDI: ffffffffb18d9d60 # [ 50.504109] RBP: ffffffffb1bfdcff R08: 0000000000000000 R09: 0000000000000000 # [ 50.512076] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 50.520046] R13: ffff9d408162ff10 R14: ffff9d408162ff10 R15: ffff99e7c551f000 # [ 50.528017] FS: 00007fd151270580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 50.537048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 50.543464] CR2: 0000000000000000 CR3: 0000000105434002 CR4: 00000000003706e0 # [ 50.551433] Call Trace: # [ 50.554162] direct_entry.cold+0x2c/0x38 # [ 50.558543] full_proxy_write+0x53/0x80 # [ 50.562824] vfs_write+0xe7/0x3a0 # [ 50.566521] ksys_write+0x68/0xf0 # [ 50.570212] do_syscall_64+0x30/0x40 # [ 50.574201] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 50.579833] RIP: 0033:0x7fd151198f33 # [ 50.583822] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 f[ 52.234025] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING [ 52.244057] lkdtm: attempting bad read from page above current stack [ 52.251165] BUG: stack guard page was hit at 00000000e543951b (stack is 000000008013ca96..00000000c2cfe976) [ 52.262053] kernel stack overflow (page fault): 0000 [#4] SMP PTI f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 52.268858] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 52.283718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.290516] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 8[ 52.297126] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 d8 90 cc b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 cc b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff [ 52.324328] RSP: 0018:ffff9d4081a0fe50 EFLAGS: 00010246 [ 52.330162] RAX: 0000000000000038 RBX: ffff9d4081a0c000 RCX: 0000000000000000 [ 52.338130] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb1cc9118 [ 52.346098] RBP: ffffffffb1cc87e3 R08: 0000000000000000 R09: 0000000000000000 [ 52.354064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 52.362032] R13: ffff9d4081a0ff10 R14: ffff9d4081a0ff10 R15: ffff99e7c4d43000 [ 52.370000] FS: 00007f2d59003580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 52.379036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.385448] CR2: ffff9d4081a10000 CR3: 0000000103be2003 CR4: 00000000003706e0 [ 52.393416] Call Trace: [ 52.396141] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 52.401967] direct_entry.cold+0x2c/0x38 [ 52.406346] full_proxy_write+0x53/0x80 [ 52.410625] vfs_write+0xe7/0x3a0 [ 52.414330] ksys_write+0x68/0xf0 [ 52.418028] do_syscall_64+0x30/0x40 [ 52.422017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.427655] RIP: 0033:0x7f2d58f2bf33 [ 52.431642] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.452621] RSP: 002b:00007ffe2765c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.461066] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2d58f2bf33 [ 52.469032] RDX: 000000000000001a RSI: 00007f2d58e1c000 RDI: 0000000000000001 [ 52.476999] RBP: 00007f2d58e1c000 R08: 00007f2d58e1b010 R09: 0000000000000000 [ 52.484967] R10: 00007f2d590261c0 R11: 0000000000000246 R12: 0000000000000001 [ 52.492935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.500906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 3 ec 28 48 89 54 24 18 # [ 50.604805] RSP: 002b:00007ffd88941[ 52.527361] ---[ end trace febdcaa53cdb3d1a ]--- [ 52.538724] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.543098] Code: 89 ff e8 de bc 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 80 03 74 02 [ 52.564080] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 52.569901] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.577869] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 52.585836] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 52.593803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.601770] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 52.609738] FS: 00007f2d59003580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 52.618774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.625188] CR2: ffff9d4081a10000 CR3: 0000000103be2003 CR4: 00000000003706e0 7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.613280] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd151198f33 # [ 50.621267] RDX: 000000000000000a RSI: 00007fd151089000 RDI: 0000000000000001 # [ 50.629243] RBP: 00007fd151089000 R08: 00007fd151088010 R09: 0000000000000000 # [ 50.643426] R10: 00007fd1512931c0 R11: 0000000000000246 R12: 0000000000000001 # [ 50.651394] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 50.659367] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 50.685821] CR2: 0000000000000000 # [ 50.695733] ---[ end trace febdcaa53cdb3d18 ]--- # [ 50.700890] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 50.711504] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 50.732488] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 50.744534] RAX: ffffffffb0cde190 RBX: 0000000[ 52.746117] lkdtm: Performing direct entry UNSET_SMEP 000000001 RCX: 0000000000000000 # [ 50.752501] RDX: 000000000[ 52.757050] lkdtm: trying to clear SMEP normally 0000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 50.76[ 52.768456] ------------[ cut here ]------------ 0469] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 000000000[ 52.779820] pinned CR4 bits changed: 0x100000!? 0000001 # [ 50.768438] R10: 00000000ffffe000 R11: 3ffffffffff[ 52.791093] WARNING: CPU: 0 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 fffff R12: 0000000000000004 # [ 50.776405] R13: ffff9d40814c7[ 52.807525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 50.784374[ 52.840150] CPU: 0 PID: 1123 Comm: cat Tainted: G D W 5.10.136-cip13 #1 ] FS: 00007fd151270580(0000) GS:ffff99e83ad00000(0000) knlGS:00[ 52.855012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00000000000000 # [ 50.793402] CS: 0010 DS: 0000 ES: 0000 CR0[ 52.868029] RIP: 0010:native_write_cr4+0x45/0x60 : 0000000080050033 # [ 50.799816] CR2: 0000000000000000 CR3: [ 52.879398] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d c0 b1 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 0000000105434002 CR4: 00000000003706e0 # [ 50.807783] BUG: sl[ 52.906600] RSP: 0018:ffff9d4081a87e48 EFLAGS: 00010286 eeping function called from invalid context at include/linux/per[ 52.918667] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 0000000000000000 cpu-rwsem.h:49 # [ 50.817694] in_atomic(): 0, irqs_disabled()[ 52.932894] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 : 1, non_block: 0, pid: 829, name: cat # [ 50.826051] INFO: l[ 52.947053] RBP: ffffffffb1cc87fd R08: 0000000000000000 R09: 0000000000000000 ockdep is turned off. # [ 50.830426] irq event stamp: 0 # [ [ 52.961274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b 50.833832] hardirqs last enabled at (0): [<0000000000000000>][ 52.975466] R13: ffff9d4081a87f10 R14: ffff9d4081a87f10 R15: ffff99e7c26ec000 0x0 # [ 50.840825] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 50.849958] softirqs [ 53.004884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 last enabled at (0): [] copy_process+0x640/0x[ 53.017526] CR2: 00007f7b103c1000 CR3: 0000000104fd0001 CR4: 00000000003706f0 1c80 # [ 50.859084] softirqs last disabled at (0): [<00000000[ 53.031708] Call Trace: 00000000>] 0x0 # [ 50.866082] CPU: 2 PID: 829 Comm: cat Taint[ 53.040657] lkdtm_UNSET_SMEP.cold+0x1d/0x103 ed: G D W 5.10.136-cip13 #1 # [ 50.874633] Hardw[ 53.051744] direct_entry.cold+0x2c/0x38 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 50.88143[ 53.062334] full_proxy_write+0x53/0x80 8] Call Trace: # [ 50.884165] dump_stack+0x77/0x9b # [ 50[ 53.072836] vfs_write+0xe7/0x3a0 .887862] ___might_sleep.cold+0xa6/0xb6 # [ 50.892426] exit_[ 53.082741] ksys_write+0x68/0xf0 signals+0x1c/0x2e0 # [ 50.896403] do_exit+0xd5/0xb00 # [ [ 53.092665] do_syscall_64+0x30/0x40 50.899905] ? ksys_write+0x68/0xf0 # [ 50.903796] rewind_sta[ 53.102874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ck_do_exit+0x17/0x20 # [ 50.908455] RIP: 0033:0x7fd151198f33[ 53.114728] RIP: 0033:0x7f7b104d0f33 # [ 50.912442] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 53.124936] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 53.152142] RSP: 002b:00007fff9f0b2588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 53.166816] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7b104d0f33 8 83 ec 28 48 89 54 24 18 # [ 50.933421] RSP: 002b:00007ffd88[ 53.181011] RDX: 000000000000000b RSI: 00007f7b103c1000 RDI: 0000000000000001 9417d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 50.941[ 53.195171] RBP: 00007f7b103c1000 R08: 00007f7b103c0010 R09: 0000000000000000 875] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd151[ 53.209363] R10: 00007f7b105cb1c0 R11: 0000000000000246 R12: 0000000000000001 198f33 # [ 50.949842] RDX: 000000000000000a RSI: 00007fd15108[ 53.223548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9000 RDI: 0000000000000001 # [ 50.957808] RBP: 00007fd1510890[ 53.237724] irq event stamp: 0 00 R08: 00007fd151088010 R09: 0000000000000000 # [ 50.965778][ 53.247359] hardirqs last enabled at (0): [<0000000000000000>] 0x0 R10: 00007fd1512931c0 R11: 0000000000000246 R12: 00000000000000[ 53.260557] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 01 # [ 50.973744] R13: 0000000000000001 R14: 0000000000020000[ 53.275923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5[ 53.291269] softirqs last disabled at (0): [<0000000000000000>] 0x0 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # [ 53.304499] ---[ end trace febdcaa53cdb3d1b ]--- Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh [ 53.315855] lkdtm: ok: SMEP did not get cleared # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST[ 53.327137] lkdtm: trying to clear SMEP with call gadget _STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAU[ 53.339270] lkdtm: ok: SMEP removal was reverted ST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 51.267138] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 51.273877] lkdtm: attempting good list addition # [ 51.279051] lkdtm: attempting corrupted list addition # [ 51.284712] 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 # [ 51.429869] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 51.439831] lkdtm: attempting good list removal # [ 51.451105] lkdtm: attempting corrupted list removal # [ 51.462892] lkdtm: list_del() corruption not detected! # CORRUPT_[ 53.448026] lkdtm: Performing direct entry DOUBLE_FAULT [ 53.455903] lkdtm: XFAIL: this test is ia32-only LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 51.578385] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 51.587486] lkdtm: attempting bad read from page below current stack # [ 51.594595] BUG: stack guard page was hit at 000000003f74ed02 (stack is 000000009fb4c829..00000000401eaa53) # [ 51.605488] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 51.612293] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 51.627155] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 51.633963] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 51.640475] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 60 90 cc b1 50 65 48 8b 04 2[ 53.538839] lkdtm: Performing direct entry CORRUPT_PAC [ 53.547650] lkdtm: XFAIL: this test is arm64-only 5 40 b0 01 00 48 8b 58 18 e8 df a0 fd ff 48 c7 c7 a0 90 cc b1 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 c5 a0 fd ff 0f 1f 44 # [ 51.661456] RSP: 0018:ffff9d408196fe50 EFLAGS: 00010246 # [ 51.667279] RAX: 0000000000000038 RBX: ffff9d408196c000 RCX: 0000000000000000 # [ 51.675249] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb1cc90a0 # [ 51.683241] RBP: ffffffffb1cc87ca R08: 0000000000000000 R09: 0000000000000000 # [ 51.691209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 51.699177] R13: ffff9d408196ff10 R14: ffff9d408196ff10 R15: ffff99e7c3ba7000 # [ 51.707145] FS: 00007ff52e4a1580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 51.716173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.722581] CR2: ffff9d408196bfff CR3: 00000001013f[ 53.629112] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 53.640946] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 2001 CR4: 00000000003706e0 # [ 51.730549] Call Trace: # [ 51.733277] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 51.738334] direct_entry.cold+0x2c/0x38 # [ 51.742713] full_proxy_write+0x53/0x80 # [ 51.746994] vfs_write+0xe7/0x3a0 # [ 51.750691] ksys_write+0x68/0xf0 # [ 51.754380] do_syscall_64+0x30/0x40 # [ 51.758369] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 51.764007] RIP: 0033:0x7ff52e3c9f33 # [ 51.767993] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 51.788972] RSP: 002b:00007fff6cbf7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 51.797427] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff52e3c9f33 # [ 51.805393] RDX: 0000000000000019 RSI: 00007ff52e2ba000 RDI: 0000000000000001 # [ 51.813361] RBP: 00007ff52e2ba000 R08: 00007ff52e2b9010 R09: 0000000000000000 # [ 51.821331] R10: 00007ff52e4c41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 51.829300] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 51.837280] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 51.869914] ---[ end trace febdcaa53cdb3d19 ]--- # [ 51.875067] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 51.879443] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 51.900423] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 51.906277] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 51.914248] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 51.922242] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: [ 53.845182] lkdtm: Performing direct entry READ_AFTER_FREE [ 53.853623] lkdtm: Value in memory before free: 12345678 [ 53.859587] lkdtm: Attempting bad read from freed memory [ 53.865524] lkdtm: Memory was not poisoned 0000000000000001 # [ 51.930200] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 51.938168] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 51.946136] FS: 00007ff52e4a1580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 51.955164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 51.961578] CR2: ffff9d408196bfff CR3: 00000001013f2001 CR4: 00000000003706e0 # [ 51.969548] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 51.979457] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1054, name: cat # [ 51.987911] INFO: lockdep is turned off. # [ 51.992285] irq event stamp: 0 # [ 51.995691] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.002688] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.011819] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.020952] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.027950] CPU: 3 PID: 1054 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 52.03[ 53.978788] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 53.988746] lkdtm: Value in memory before free: 12345678 [ 53.994687] lkdtm: Attempting to read from freed memory [ 54.000526] lkdtm: Buddy page was not poisoned 6589] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.043393] Call Trace: # [ 52.046120] dump_stack+0x77/0x9b # [ 52.049817] ___might_sleep.cold+0xa6/0xb6 # [ 52.054390] exit_signals+0x1c/0x2e0 # [ 52.058377] do_exit+0xd5/0xb00 # [ 52.061870] ? ksys_write+0x68/0xf0 # [ 52.065762] rewind_stack_do_exit+0x17/0x20 # [ 52.070428] RIP: 0033:0x7ff52e3c9f33 # [ 52.074415] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.095397] RSP: 002b:00007fff6cbf7a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.103850] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007ff52e3c9f33 # [ 52.111818] RDX: 0000000000000019 RSI: 0[ 54.082098] lkdtm: Performing direct entry SLAB_FREE_DOUBLE 0007ff52e2ba000 RDI: 0000000000000001 # [ 52.119785] RBP: 000[ 54.092592] lkdtm: Attempting double slab free ... 07ff52e2ba000 R08: 00007ff52e2b9010 R09: 0000000000000000 # [ 52.127752] R10: 00007ff52e4c41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.135719] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # STACK_GUARD_PAGE_LEADING: saw 'call trace:': ok ok 12 selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # Segmentation fault # [ 52.234025] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 52.244057] lkdtm: attempting bad read from page above current stack # [ 52.251165] BUG: stack guard page was hit at 00000000e543951b (stack is 000000008013ca96..00000000c2cfe976) # [ 52.262053] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 52.268858] CPU: 3 PID: 1087 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 52.283718] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.290516] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING[ 54.194945] lkdtm: Performing direct entry SLAB_FREE_CROSS +0x27/0x3d # [ 52.297126] Code: a0 fd ff 0f 1f 44 00 00 53 48[ 54.203515] lkdtm: Attempting cross-cache slab free ... c7 c7 d8 90 cc b1 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 a5 a0 fd ff 48 c7 c7 18 91 cc b1 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 88 a0 fd ff # [ 52.324328] RSP: 0018:ffff9d4081a0fe50 EFLAGS: 00010246 # [ 52.330162] RAX: 0000000000000038 RBX: ffff9d4081a0c000 RCX: 0000000000000000 # [ 52.338130] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffffffffb1cc9118 # [ 52.346098] RBP: ffffffffb1cc87e3 R08: 0000000000000000 R09: 0000000000000000 # [ 52.354064] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 52.362032] R13: ffff9d4081a0ff10 R14: ffff9d4081a0ff10 R15: ffff99e7c4d43000 # [ 52.370000] FS: 00007f2d59003580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 52.379036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.385448] CR2: ffff9d4081a10000 CR3: 0000000103be2003 CR4: 00000000003706e0 # [ 52.393416] Call Trace: # [ 52.396141] ? lkdtm_STACK_GUA[ 54.303701] lkdtm: Performing direct entry SLAB_FREE_PAGE RD_PAGE_LEADING+0x3a/0x3a # [ 52.401967] direct_entry.cold+0[ 54.314871] lkdtm: Attempting non-Slab slab free ... x2c/0x38 # [ 52.406346] full_proxy_write+0x53/0x80 # [ 52.410625] vfs_write+0xe7/0x3a0 # [ 52.414330] ksys_write+0x68/0xf0 # [ 52.418028] do_syscall_64+0x30/0x40 # [ 52.422017] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.427655] RIP: 0033:0x7f2d58f2bf33 # [ 52.431642] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.452621] RSP: 002b:00007ffe2765c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.461066] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f2d58f2bf33 # [ 52.469032] RDX: 000000000000001a RSI: 00007f2d58e1c000 RDI: 0000000000000001 # [ 52.476999] RBP: 00007f2d58e1c000 R08: 00007f2d58e1b010 R09: 0000000000000000 # [ 52.484967] R10: 00007f2d590261c0 R11: 0000000000000246 R12: 0000000000000001 # [ 52.492935] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.500906] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.527361] ---[ end trace febdcaa53cdb3d1a ]--- # [ 52.538724] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.543098] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 52.564080] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 52.569901] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.577869] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 52.585836] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 52.593803] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.601770] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 52.609738] FS: 00007f2d59003580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 52.618774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.625188] CR2: ffff9d4081a10000 CR3: 0000000103be[ 54.547684] lkdtm: Performing direct entry EXEC_DATA [ 54.555929] lkdtm: attempting ok execution at ffffffffb0cde560 [ 54.562472] lkdtm: attempting bad execution at ffffffffb341e560 2003 CR4: 00000000003706e0 # STACK_GUARD_PAGE_TRAILING: saw 'ca[ 54.569109] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 54.583672] BUG: unable to handle page fault for address: ffffffffb341e560 [ 54.591349] #PF: supervisor instruction fetch in kernel mode [ 54.597667] #PF: error_code(0x0011) - permissions violation [ 54.603888] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 800000014fe000e3 [ 54.611665] Oops: 0011 [#5] SMP PTI [ 54.615555] CPU: 2 PID: 1630 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 54.624195] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.630999] RIP: 0010:data_area+0x0/0x40 [ 54.635374] Code: ff ff 00 42 53 c4 e7 99 ff ff 00 41 53 c4 e7 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 54.656352] RSP: 0018:ffff9d40822bfe48 EFLAGS: 00010246 [ 54.662182] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.670150] RDX: 0000000000000000 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 [ 54.678117] RBP: ffffffffb341e560 R08: 0000000000000000 R09: 0000000000000000 [ 54.686085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 54.694051] R13: ffff9d40822bff10 R14: ffff9d40822bff10 R15: ffff99e7c5605000 [ 54.702019] FS: 00007f69087d6580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 54.711055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.717469] CR2: ffffffffb341e560 CR3: 00000001055e6005 CR4: 00000000003706e0 [ 54.725435] Call Trace: [ 54.728163] ? execute_location+0x45/0x56 [ 54.732636] ? direct_entry.cold+0x2c/0x38 [ 54.737207] ? full_proxy_write+0x53/0x80 [ 54.741681] ? vfs_write+0xe7/0x3a0 [ 54.745573] ? ksys_write+0x68/0xf0 [ 54.749456] ? do_syscall_64+0x30/0x40 [ 54.753637] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.759473] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ll trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILIN[ 54.785925] CR2: ffffffffb341e560 [ 54.795834] ---[ end trace febdcaa53cdb3d1c ]--- [ 54.800990] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 54.805365] Code: 89 ff e8 de bc 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 80 03 74 02 [ 54.826337] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 54.832161] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.840129] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 54.848097] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 54.856066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 54.864035] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 54.872003] FS: 00007f69087d6580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 54.881039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.887453] CR2: ffffffffb341e560 CR3: 00000001055e6005 CR4: 00000000003706e0 [ 54.895419] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 54.905331] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat [ 54.913783] INFO: lockdep is turned off. [ 54.918158] irq event stamp: 0 [ 54.921563] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 54.928561] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 54.937684] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 54.946817] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 54.953815] CPU: 2 PID: 1630 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 54.962452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.969276] Call Trace: [ 54.972005] dump_stack+0x77/0x9b [ 54.975702] ___might_sleep.cold+0xa6/0xb6 [ 54.980279] exit_signals+0x1c/0x2e0 [ 54.984278] do_exit+0xd5/0xb00 [ 54.987780] ? ksys_write+0x68/0xf0 [ 54.991672] rewind_stack_do_exit+0x17/0x20 [ 54.996330] RIP: 0033:0x7f69086fef33 [ 55.000330] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.021329] RSP: 002b:00007ffc78cb28b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.029783] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f69086fef33 [ 55.037752] RDX: 000000000000000a RSI: 00007f69085ef000 RDI: 0000000000000001 [ 55.045718] RBP: 00007f69085ef000 R08: 00007f69085ee010 R09: 0000000000000000 [ 55.053686] R10: 00007f69087f91c0 R11: 0000000000000246 R12: 0000000000000001 [ 55.061654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 G.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 52.746117] lkdtm: Performing direct entry UNSET_SMEP # [ 52.757050] lkdtm: trying to clear SMEP normally # [ 52.768456] ------------[ cut here ]------------ # [ 52.779820] pinned CR4 bits changed: 0x100000!? # [ 52.791093] WARNING: CPU: 0 PID: 1123 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 52.807525] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.840150] CPU: 0 PID: 1123 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 52.855012] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.868029] RIP: 0010:native_write_cr4+0x45/0x60 # [ 52.879398] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d 93 a3 c3 01 00 75 f2 48 c7 c7 40 7d c0 b1 c6 05 83 a3 c3 01 01 e8 13 b3 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ [ 55.171834] lkdtm: Performing direct entry EXEC_STACK 52.906600] RSP: 0018:ffff9d4081a87e48 EFLAGS: 00010286 # [ 52[ 55.180992] lkdtm: attempting ok execution at ffffffffb0cde560 .918667] RAX: 0000000000000000 RBX: 00000000002706f0 RCX: 000000[ 55.193725] lkdtm: attempting bad execution at ffff9d4082357e18 0000000000 # [ 52.932894] RDX: ffff99e83ac2c660 RSI: ffff99e8[ 55.206559] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.221112] BUG: unable to handle page fault for address: ffff9d4082357e18 [ 55.228789] #PF: supervisor instruction fetch in kernel mode [ 55.235106] #PF: error_code(0x0011) - permissions violation [ 55.241329] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10380f067 PTE 8000000103186063 [ 55.250375] Oops: 0011 [#6] SMP PTI [ 55.254279] CPU: 0 PID: 1666 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 55.262926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.269731] RIP: 0010:0xffff9d4082357e18 [ 55.274108] Code: 00 00 18 7e 35 82 40 9d ff ff 46 b5 36 b1 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 cc b1 ff ff ff ff 75 b6 36 b1 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 [ 55.295079] RSP: 0018:ffff9d4082357df8 EFLAGS: 00010246 [ 55.300911] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.308878] RDX: 0000000000000000 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 [ 55.316846] RBP: ffff9d4082357e18 R08: 0000000000000000 R09: 0000000000000000 [ 55.324813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 55.332779] R13: ffff9d4082357f10 R14: ffff9d4082357f10 R15: ffff99e7c3146000 [ 55.340748] FS: 00007fa66a9e4580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 55.349783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.356196] CR2: ffff9d4082357e18 CR3: 000000010578a005 CR4: 00000000003706f0 [ 55.364163] Call Trace: [ 55.366891] ? execute_location+0x45/0x56 [ 55.371369] ? lkdtm_EXEC_STACK+0x26/0x44 [ 55.375843] ? direct_entry.cold+0x2c/0x38 [ 55.380407] ? full_proxy_write+0x53/0x80 [ 55.384887] ? vfs_write+0xe7/0x3a0 [ 55.388778] ? ksys_write+0x68/0xf0 [ 55.392671] ? do_syscall_64+0x30/0x40 [ 55.396858] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.402685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.429121] CR2: ffff9d4082357e18 [ 55.432809] ---[ end trace febdcaa53cdb3d1d ]--- [ 55.437956] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.442338] Code: 89 ff e8 de bc 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 80 03 74 02 [ 55.463318] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 55.469141] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.477107] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 55.485076] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 55.493043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.501012] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 55.508981] FS: 00007fa66a9e4580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 55.518008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.524424] CR2: ffff9d4082357e18 CR3: 000000010578a005 CR4: 00000000003706f0 3ac1bf70 RDI: ffff99e83ac1bf70 # [ 52.947053] RBP: ffffffffb1cc87fd R08: 0000000000000000 R09: 0000000000000000 # [ 52.961274] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 52.975466] R13: ffff9d4081a87f10 R14: ffff9d4081a87f10 R15: ffff99e7c26ec000 # [ 52.989634] FS: 00007f7b105a8580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 53.004884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.017526] CR2: 00007f7b103c1000 CR3: 0000000104fd0001 CR4: 00000000003706f0 # [ 53.031708] Call Trace: # [ 53.040657] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 53.051744] direct_entry.cold+0x2c/0x38 # [ 53.062334] full_proxy_write+0x53/0x80 # [ 53.072836] vfs_write+0xe7/0x3a0 # [ 53.082741] ksys_write+0x68/0xf0 # [ 53.092665] do_syscall_64+0x30/0x40 # [ 53.102874] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.114728] RIP: 0033:0x7f7b104d0f33 # [ 53.124936] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.152142] RSP: 002b:00007fff9f0b2588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.166816] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f7b104d0f33 # [ 53.181011] RDX: 000000000000000b RSI: 00007f7b103c1000 RDI: 0000000000000001 # [ 53.195171] RBP: 00007f7b103c1000 R08: 00007f7b103c0010 R09: 0000000000000000 # [ 53.209363] R10: 00007f7b105cb1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 53.223548] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ [ 55.691620] lkdtm: Performing direct entry EXEC_KMALLOC [ 55.699849] lkdtm: attempting ok execution at ffffffffb0cde560 [ 55.706384] lkdtm: attempting bad execution at ffff99e7c3872600 [ 55.713025] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 55.721396] BUG: unable to handle page fault for address: ffff99e7c3872600 53.237724] irq event stamp: 0 # [ 53.247359] hardirqs last [ 55.729076] #PF: supervisor instruction fetch in kernel mode [ 55.741607] #PF: error_code(0x0011) - permissions violation en[abled at (0): [<0000000000000000>] 0x0 # [ 53.260557] hardi 55.747827] PGD 150001067 P4D 150001067 PUD 10084e063 PMD 104d94063 PTE 8000000103872163 [ 55.763084] Oops: 0011 [#7] SMP PTI [ 55.766966] CPU: 3 PID: 1702 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 55.775605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.782408] RIP: 0010:0xffff99e7c3872600 [ 55.786776] Code: 73 74 61 62 6c 65 2e 67 70 67 00 25 87 c3 e7 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 55.807758] RSP: 0018:ffff9d40823cfe38 EFLAGS: 00010246 [ 55.813582] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.821548] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 [ 55.829516] RBP: ffff99e7c3872600 R08: 0000000000000000 R09: 0000000000000000 [ 55.837483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 55.845449] R13: ffff9d40823cff10 R14: ffff9d40823cff10 R15: ffff99e7c3e54000 [ 55.853416] FS: 00007f33d75ae580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 55.862451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.868866] CR2: ffff99e7c3872600 CR3: 00000001056e2001 CR4: 00000000003706e0 [ 55.876833] Call Trace: [ 55.879560] ? execute_location+0x45/0x56 [ 55.884035] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 55.888702] ? direct_entry.cold+0x2c/0x38 [ 55.893281] ? full_proxy_write+0x53/0x80 [ 55.897755] ? vfs_write+0xe7/0x3a0 [ 55.901645] ? ksys_write+0x68/0xf0 [ 55.905537] ? do_syscall_64+0x30/0x40 [ 55.909718] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.915552] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rqs last disabled at (0): [] copy_process+0x64[ 55.942004] CR2: ffff99e7c3872600 [ 55.951915] ---[ end trace febdcaa53cdb3d1e ]--- [ 55.957068] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.961444] Code: 89 ff e8 de bc 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 80 03 74 02 [ 55.982423] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 55.988246] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.996215] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 56.004182] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 56.012151] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.020116] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 56.028085] FS: 00007f33d75ae580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 56.037122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.043536] CR2: ffff99e7c3872600 CR3: 00000001056e2001 CR4: 00000000003706e0 0/0x1c80 # [ 53.275923] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.291269] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.304499] ---[ end trace febdcaa53cdb3d1b ]--- # [ 53.315855] lkdtm: ok: SMEP did not get cleared # [ 53.327137] lkdtm: trying to clear SMEP with call gadget # [ 53.339270] 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 # [ 53.448026] lkdtm: Performing direct entry DOUBLE_FAULT # [ 53.455903] 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 # [ 53.538839] lkdtm: Performing direct entry CORRUPT_PAC # [ 53.547650] 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 # [ 56.149880] lkdtm: Performing direct entry EXEC_VMALLOC [ 56.156844] lkdtm: attempting ok execution at ffffffffb0cde560 [ 53.629112] lkdtm: Performing direct entry UNALIGNED_LOAD_STO[ 56.163372] lkdtm: attempting bad execution at ffff9d40803af000 [ 56.176201] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.184567] BUG: unable to handle page fault for address: ffff9d40803af000 [ 56.192247] #PF: supervisor instruction fetch in kernel mode [ 56.198565] #PF: error_code(0x0011) - permissions violation RE[_WRITE # [ 53.640946] lkdtm: XFAIL: arch has CONFIG_HAVE_EF 56.204778] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10080b067 PTE 8000000103f5c063 [ 56.220034] Oops: 0011 [#8] SMP PTI [ 56.223924] CPU: 2 PID: 1738 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 56.232571] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.239374] RIP: 0010:0xffff9d40803af000 [ 56.243752] Code: Unable to access opcode bytes at RIP 0xffff9d40803aefd6. [ 56.251429] RSP: 0018:ffff9d408246fe38 EFLAGS: 00010246 [ 56.257271] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.265243] RDX: 0000000000000000 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 [ 56.273203] RBP: ffff9d40803af000 R08: 0000000000000000 R09: 0000000000000000 [ 56.281169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 56.289137] R13: ffff9d408246ff10 R14: ffff9d408246ff10 R15: ffff99e7c3f5c000 [ 56.297105] FS: 00007f2756036580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 56.306141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.312555] CR2: ffff9d40803aefd6 CR3: 0000000103b38006 CR4: 00000000003706e0 [ 56.320522] Call Trace: [ 56.323269] ? execute_location+0x45/0x56 FICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFA[ 56.327753] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 56.338628] ? direct_entry.cold+0x2c/0x38 [ 56.343201] ? full_proxy_write+0x53/0x80 [ 56.347676] ? vfs_write+0xe7/0x3a0 [ 56.351566] ? ksys_write+0x68/0xf0 [ 56.355458] ? do_syscall_64+0x30/0x40 [ 56.359639] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.365476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify IL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.[ 56.391930] CR2: ffff9d40803af000 [ 56.401841] ---[ end trace febdcaa53cdb3d1f ]--- [ 56.406994] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 56.411369] Code: 89 ff e8 de bc 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 80 03 74 02 [ 56.432349] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 56.438180] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 56.446146] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 56.454115] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 56.462083] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 56.470051] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 56.478018] FS: 00007f2756036580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 56.487052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.493467] CR2: ffff9d40803aefd6 CR3: 0000000103b38006 CR4: 00000000003706e0 [ 56.501434] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 56.511344] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1738, name: cat [ 56.519796] INFO: lockdep is turned off. [ 56.524170] irq event stamp: 0 [ 56.527573] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.534571] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.543696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.552828] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.559824] CPU: 2 PID: 1738 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 56.568470] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.575277] Call Trace: [ 56.578003] dump_stack+0x77/0x9b [ 56.581692] ___might_sleep.cold+0xa6/0xb6 [ 56.586280] exit_signals+0x1c/0x2e0 [ 56.590279] do_exit+0xd5/0xb00 [ 56.593781] ? ksys_write+0x68/0xf0 [ 56.597673] rewind_stack_do_exit+0x17/0x20 [ 56.602340] RIP: 0033:0x7f2755f5ef33 [ 56.606340] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.627335] RSP: 002b:00007ffcc7bafdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.635788] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2755f5ef33 [ 56.643755] RDX: 000000000000000d RSI: 00007f2755e4f000 RDI: 0000000000000001 [ 56.651723] RBP: 00007f2755e4f000 R08: 00007f2755e4e010 R09: 0000000000000000 [ 56.659691] R10: 00007f27560591c0 R11: 0000000000000246 R12: 0000000000000001 [ 56.667658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on failure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selftests: lkdtm: READ_AFTER_FREE.sh # [ 53.845182] lkdtm: Performing direct entry READ_AFTER_FREE # [ 53.853623] lkdtm: Value in memory before free: 12345678 # [ 53.859587] lkdtm: Attempting bad read from freed memory # [ 53.865524] 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 # [ 53.978788] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 53.988746] lkdtm: Value in memory before free: 12345678 # [ 53.994687] lkdtm: Attempting to read from freed memory # [ 54.000526] lkdtm: Buddy pa[ 56.787427] lkdtm: Performing direct entry EXEC_RODATA ge was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trac[ 56.793320] lkdtm: attempting ok execution at ffffffffb0cde560 e:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.s[ 56.806063] lkdtm: attempting bad execution at ffffffffb18da1c0 h # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 54.08[ 56.818905] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 56.833436] BUG: unable to handle page fault for address: ffffffffb18da1c0 [ 56.841112] #PF: supervisor instruction fetch in kernel mode [ 56.847429] #PF: error_code(0x0011) - permissions violation [ 56.853650] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 800000014e2000e1 [ 56.861431] Oops: 0011 [#9] SMP PTI [ 56.865321] CPU: 0 PID: 1774 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 56.873960] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.880765] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 [ 56.886505] Code: ff ff e5 ca 36 b1 ff ff ff ff 72 8b cc b1 ff ff ff ff 2b b2 36 b1 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 [ 56.907483] RSP: 0018:ffff9d40824f7e48 EFLAGS: 00010246 [ 56.913319] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 56.921286] RDX: 0000000000000000 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 [ 56.929275] RBP: ffffffffb18da1c0 R08: 0000000000000000 R09: 0000000000000000 [ 56.937244] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 56.945212] R13: ffff9d40824f7f10 R14: ffff9d40824f7f10 R15: ffff99e7c4bfc000 [ 56.953181] FS: 00007fa1bac47580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 56.962206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.968620] CR2: ffffffffb18da1c0 CR3: 0000000105746001 CR4: 00000000003706f0 [ 56.976587] Call Trace: [ 56.979326] ? execute_location+0x45/0x56 [ 56.983804] ? direct_entry.cold+0x2c/0x38 [ 56.988375] ? full_proxy_write+0x53/0x80 [ 56.992855] ? vfs_write+0xe7/0x3a0 [ 56.996746] ? ksys_write+0x68/0xf0 [ 57.000638] ? do_syscall_64+0x30/0x40 [ 57.004826] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.010661] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.037096] CR2: ffffffffb18da1c0 [ 57.040784] ---[ end trace febdcaa53cdb3d20 ]--- [ 57.045937] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.050304] Code: 89 ff e8 de bc 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 80 03 74 02 [ 57.071281] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 57.077114] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.085080] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 57.093046] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 57.101013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.108981] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 57.116948] FS: 00007fa1bac47580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 57.125985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.132399] CR2: ffffffffb18da1c0 CR3: 0000000105746001 CR4: 00000000003706f0 2098] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 54.092592] 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 # [ 54.194945] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 54.203515] lkdtm: Attempting cross-cache slab free ... # SLAB_FREE_CROSS: missing 'call trace:': [FAIL] not ok 24 selftests: lkdtm: SLAB_FREE_CROSS.sh # exit=1 # selftests: lkdtm: SLAB_FREE_PAGE.sh # [ 54.303701] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 54.314871] 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 # [ 54.547684] lkdtm: Performing direct entry EXEC_DATA # [ 54.555929] lkdtm: attempting ok execution at ffffffffb0cde560 # [ 54.562472] lkdtm: attempting bad execution at ffffffffb341e560 # [ 54.569109] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 54.583672] BUG: unable to handle page fault for address: ffffffffb341e560 # [ 54.591349] #PF: supervisor instruction fetch in kernel mode # [ 54.597667] #PF: error_code(0x0011) - permissions violation # [ 54.603888] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 80[ 57.317519] lkdtm: Performing direct entry EXEC_USERSPACE 0000014fe000e3 # [ 54.611665] Oops: 0011 [#5] SMP PTI # [ [ 57.326734] lkdtm: attempting ok execution at ffffffffb0cde560 54.615555] CPU: 2 PID: 1630 Comm: cat Tainted: G D W [ 57.339490] lkdtm: attempting bad execution at 00007f995c3ad000 5.10.136-cip13 #1 # [ 54.624195] Hardware name: Google Ram[ 57.352301] unable to execute userspace code (SMEP?) (uid: 0) [ 57.364912] BUG: unable to handle page fault for address: 00007f995c3ad000 [ 57.372589] #PF: supervisor instruction fetch in kernel mode [ 57.378907] #PF: error_code(0x0011) - permissions violation [ 57.385126] PGD 8000000104fd0067 P4D 8000000104fd0067 PUD 100969067 PMD 103dd2067 PTE 1147af067 [ 57.394852] Oops: 0011 [#10] SMP PTI [ 57.398831] CPU: 0 PID: 1810 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 57.407470] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.414277] RIP: 0010:0x7f995c3ad000 [ 57.418275] Code: Unable to access opcode bytes at RIP 0x7f995c3acfd6. [ 57.425564] RSP: 0018:ffff9d4082557e50 EFLAGS: 00010246 [ 57.431386] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 57.439354] RDX: 0000000000000000 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 [ 57.447328] RBP: 00007f995c3ad000 R08: 0000000000000000 R09: 0000000000000000 [ 57.455317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 57.463284] R13: ffff9d4082557f10 R14: ffff9d4082557f10 R15: ffff99e7c4bfc000 [ 57.471276] FS: 00007f995c37e580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 57.480321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.486727] CR2: 00007f995c3ad000 CR3: 000000010383c003 CR4: 00000000003706f0 [ 57.494694] Call Trace: [ 57.497421] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 57.502772] ? direct_entry.cold+0x2c/0x38 [ 57.507344] ? full_proxy_write+0x53/0x80 [ 57.511824] ? vfs_write+0xe7/0x3a0 [ 57.515716] ? ksys_write+0x68/0xf0 [ 57.519600] ? do_syscall_64+0x30/0x40 [ 57.523788] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.529626] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 57.556060] CR2: 00007f995c3ad000 [ 57.559755] ---[ end trace febdcaa53cdb3d21 ]--- [ 57.564909] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 57.569284] Code: 89 ff e8 de bc 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 80 03 74 02 [ 57.590275] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 57.596108] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 57.604076] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 57.612043] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 57.620009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 57.627977] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 57.635944] FS: 00007f995c37e580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 [ 57.644980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.651395] CR2: 00007f995c3ad000 CR3: 000000010383c003 CR4: 00000000003706f0 mus/Rammus, BIOS 09/04/2020 # [ 54.630999] RIP: 0010:data_area+0x0/0x40 # [ 54.635374] Code: ff ff 00 42 53 c4 e7 99 ff ff 00 41 53 c4 e7 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 54.656352] RSP: 0018:ffff9d40822bfe48 EFLAGS: 00010246 # [ 54.662182] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.670150] RDX: 0000000000000000 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 54.678117] RBP: ffffffffb341e560 R08: 0000000000000000 R09: 0000000000000000 # [ 54.686085] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 54.694051] R13: ffff9d40822bff10 R14: ffff9d40822bff10 R15: ffff99e7c5605000 # [ 54.702019] FS: 00007f69087d6580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 54.711055] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.717469] CR2: ffffffffb341e560 CR3: 00000001055e6005 CR4: 00000000003706e0 # [ 54.725435] Call Trace: # [ 54.728163] ? execute_location+0x45/0x56 # [ 54.732636] ? direct_entry.cold+0x2c/0x38 # [ 54.737207] ? full_proxy_write+0x53/0x80 # [ 54.741681] ? vfs_write+0xe7/0x3a0 # [ 54.745573] ? ksys_write+0x68/0xf0 # [ 54.749456] ? do_syscall_64+0x30/0x40 # [ 54.753637] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.759473] M[ 57.795311] lkdtm: Performing direct entry EXEC_NULL [ 57.801687] lkdtm: attempting ok execution at ffffffffb0cde560 [ 57.808202] lkdtm: attempting bad execution at 0000000000000000 [ 57.814819] BUG: kernel NULL pointer dereference, address: 0000000000000000 odules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors[ 57.822620] #PF: supervisor instruction fetch in kernel mode [ 57.835151] #PF: error_code(0x0010) - not-present page [ 57.840886] PGD 0 P4D 0 [ 57.843710] Oops: 0010 [#11] SMP PTI [ 57.847696] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 57.856344] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 57.863149] RIP: 0010:0x0 [ 57.866068] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 57.873736] RSP: 0018:ffff9d408259fe48 EFLAGS: 00010246 [ 57.879567] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 57.887535] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 [ 57.895504] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 57.903473] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 57.911440] R13: ffff9d408259ff10 R14: ffff9d408259ff10 R15: ffff99e7c3e64000 [ 57.919408] FS: 00007fd1d19d8580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 57.928443] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.934859] CR2: ffffffffffffffd6 CR3: 0000000103162004 CR4: 00000000003706e0 [ 57.942827] Call Trace: [ 57.945555] execute_location+0x45/0x56 [ 57.949834] direct_entry.cold+0x2c/0x38 [ 57.954203] full_proxy_write+0x53/0x80 [ 57.958483] vfs_write+0xe7/0x3a0 [ 57.962180] ksys_write+0x68/0xf0 [ 57.965878] do_syscall_64+0x30/0x40 [ 57.969867] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 57.975504] RIP: 0033:0x7fd1d1900f33 [ 57.979492] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.000472] RSP: 002b:00007fff32a37898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.008968] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1d1900f33 [ 58.016937] RDX: 000000000000000a RSI: 00007fd1d17f1000 RDI: 0000000000000001 [ 58.024905] RBP: 00007fd1d17f1000 R08: 00007fd1d17f0010 R09: 0000000000000000 [ 58.032873] R10: 00007fd1d19fb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.040842] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 58.048813] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify _core industrialio_triggered_buffer kfifo_buf industrialio cros_[ 58.075268] CR2: 0000000000000000 [ 58.085176] ---[ end trace febdcaa53cdb3d22 ]--- [ 58.090324] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.094700] Code: 89 ff e8 de bc 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 80 03 74 02 [ 58.115668] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 58.121501] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.129469] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 58.137436] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 58.145403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.153370] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 58.161338] FS: 00007fd1d19d8580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 58.170374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.176788] CR2: ffffffffffffffd6 CR3: 0000000103162004 CR4: 00000000003706e0 [ 58.184755] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.194666] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1846, name: cat [ 58.203109] INFO: lockdep is turned off. [ 58.207485] irq event stamp: 0 [ 58.210889] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.217887] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.227011] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.236144] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.243142] CPU: 3 PID: 1846 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 58.251789] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.258591] Call Trace: [ 58.261329] dump_stack+0x77/0x9b [ 58.265025] ___might_sleep.cold+0xa6/0xb6 [ 58.269588] exit_signals+0x1c/0x2e0 [ 58.273577] do_exit+0xd5/0xb00 [ 58.277071] ? ksys_write+0x68/0xf0 [ 58.280964] rewind_stack_do_exit+0x17/0x20 [ 58.285631] RIP: 0033:0x7fd1d1900f33 [ 58.289619] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.310589] RSP: 002b:00007fff32a37898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.319043] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1d1900f33 [ 58.327011] RDX: 000000000000000a RSI: 00007fd1d17f1000 RDI: 0000000000000001 [ 58.334979] RBP: 00007fd1d17f1000 R08: 00007fd1d17f0010 R09: 0000000000000000 [ 58.342946] R10: 00007fd1d19fb1c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.350912] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 54.785925] CR2: ffffffffb341e560 # [ 54.795834] ---[ end trace febdcaa53cdb3d1c ]--- # [ 54.800990] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 54.805365] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 54.826337] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 54.832161] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 54.840129] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 54.848097] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 54.856066] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 54.864035] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 54.872003] FS: 00007f69087d6580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 54.881039] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.887453] CR2: ffffffffb341e560 CR3: 00000001055e6005 CR4: 00000000003706e0[ 58.472075] lkdtm: Performing direct entry ACCESS_USERSPACE # [ 54.895419] BUG: sleeping function called from invalid con[ 58.483268] lkdtm: attempting bad read at 00007f8113242000 text at include/linux/percpu-rwsem.h:49 # [ 54.905331] in_ato[ 58.495603] BUG: unable to handle page fault for address: 00007f8113242000 [ 58.509482] #PF: supervisor read access in kernel mode [ 58.515217] #PF: error_code(0x0001) - permissions violation mi[c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1630, name: cat 58.521431] PGD 8000000103b16067 P4D 8000000103b16067 PUD 103d61067 PMD 1027f6067 PTE 113ca0067 [ 58.537369] Oops: 0001 [#12] SMP PTI [ 58.541357] CPU: 1 PID: 1881 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 58.550006] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.556812] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 54.913783] INFO: lockdep is turned off. # [ 54.918158[ 58.563036] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 cc b1 e8 19 9a fd ff 48 c7 c7 b8 98 cc b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 cc [ 58.590229] RSP: 0018:ffff9d4082637e48 EFLAGS: 00010246 [ 58.596062] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 58.604031] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb1cc98b8 [ 58.611998] RBP: 00007f8113242000 R08: 0000000000000000 R09: 0000000000000000 [ 58.619966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 58.627934] R13: ffff9d4082637f10 R14: ffff9d4082637f10 R15: ffff99e7c3d7b000 [ 58.635902] FS: 00007f8113213580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 58.644937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.651353] CR2: 00007f8113242000 CR3: 0000000105cac006 CR4: 00000000003706e0 [ 58.659327] Call Trace: [ 58.662054] direct_entry.cold+0x2c/0x38 ] irq event stamp: 0 # [ 54.921563] hardirqs last enabled at[ 58.666435] full_proxy_write+0x53/0x80 [ 58.676926] vfs_write+0xe7/0x3a0 [ 58.680624] ksys_write+0x68/0xf0 [ 58.684330] do_syscall_64+0x30/0x40 (0): [<0000000000000000>] 0x0 # [ 54.928561] hardirqs last d[ 58.688332] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.700184] RIP: 0033:0x7f811313bf33 [ 58.704163] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.725143] RSP: 002b:00007ffd78dcf588 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.733598] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007f811313bf33 [ 58.741567] RDX: 0000000000000011 RSI: 00007f811302c000 RDI: 0000000000000001 [ 58.749536] RBP: 00007f811302c000 R08: 00007f811302b010 R09: 0000000000000000 [ 58.757504] R10: 00007f81132361c0 R11: 0000000000000246 R12: 0000000000000001 [ 58.765471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 isabled at (0): [] copy_process+0x640/0x1c80 [ 58.773444] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.806079] CR2: 00007f8113242000 [ 58.809766] ---[ end trace febdcaa53cdb3d23 ]--- [ 58.814920] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.819286] Code: 89 ff e8 de bc 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 80 03 74 02 [ 58.840284] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 58.846117] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.854085] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 58.862054] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 58.870024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.877993] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 58.885962] FS: 00007f8113213580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 58.894999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.901413] CR2: 00007f8113242000 CR3: 0000000105cac006 CR4: 00000000003706e0 # [ 54.937684] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 54.946817] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 54.953815] CPU: 2 PID: 1630 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 54.962452] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 54.969276] Call Trace: # [ 54.972005] dump_stack+0x77/0x9b # [ 54.975702] ___might_sleep.cold+0xa6/0xb6 # [ 54.980279] exit_signals+0x1c/0x2e0 # [ 54.984278] do_exit+0xd5/0xb00 # [ 54.987780] ? ksys_write+0x68/0xf0 # [ 54.991672] rewind_stack_do_exit+0x17/0x20 # [ 54.996330] RIP: 0033:0x7f69086fef33 # [ 55.000330] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.021329] RSP: 002b:00007ffc78cb28b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.029783] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f69086fef33 # [ 55.037752] RDX: 000000000000000a RSI: 00007f69085ef000 RDI: 0000000000000001 # [ 55.045718] RBP: 00007f69085ef000 R08: 00007f69085ee010 R09: 0000000000000000 # [ 55.053686] R10: 00007f69087f91c0 R11: 0000000000000246 R12: 0000000000000001 # [ 55.061654] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_DATA: [ 59.041977] lkdtm: Performing direct entry ACCESS_NULL [ 59.051867] lkdtm: attempting bad read at 0000000000000000 [ 59.058012] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 59.065794] #PF: supervisor read access in kernel mode [ 59.071531] #PF: error_code(0x0000) - not-present page [ 59.077279] PGD 0 P4D 0 [ 59.080102] Oops: 0000 [#13] SMP PTI [ 59.084089] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 59.092737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.099534] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 59.104783] Code: bd 99 fd ff be 00 10 00 00 48 89 ef e8 30 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 98 cc b1 e8 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 98 cc b1 48 01 [ 59.125761] RSP: 0018:ffff9d40826d7e58 EFLAGS: 00010246 [ 59.131593] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 59.139562] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 [ 59.147529] RBP: ffffffffb1cc8981 R08: 0000000000000000 R09: 0000000000000000 [ 59.155497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 59.163466] R13: ffff9d40826d7f10 R14: ffff9d40826d7f10 R15: ffff99e7c56e7000 [ 59.171434] FS: 00007f7928efa580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 59.180471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.186885] CR2: 0000000000000000 CR3: 0000000104de0002 CR4: 00000000003706e0 [ 59.194851] Call Trace: [ 59.197579] direct_entry.cold+0x2c/0x38 [ 59.201957] full_proxy_write+0x53/0x80 [ 59.206236] vfs_write+0xe7/0x3a0 [ 59.209932] ksys_write+0x68/0xf0 [ 59.213631] do_syscall_64+0x30/0x40 [ 59.217619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.223247] RIP: 0033:0x7f7928e22f33 [ 59.227278] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.248279] RSP: 002b:00007fff047cba68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.256734] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7928e22f33 [ 59.264702] RDX: 000000000000000c RSI: 00007f7928d13000 RDI: 0000000000000001 [ 59.272669] RBP: 00007f7928d13000 R08: 00007f7928d12010 R09: 0000000000000000 [ 59.280636] R10: 00007f7928f1d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.288603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.296574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 59.323025] CR2: 0000000000000000 [ 59.326722] ---[ end trace febdcaa53cdb3d24 ]--- [ 59.331868] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.336243] Code: 89 ff e8 de bc 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 80 03 74 02 [ 59.357223] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 59.363055] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.371021] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 59.378989] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 59.386957] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.394924] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 59.402892] FS: 00007f7928efa580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 59.411929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.418343] CR2: 0000000000000000 CR3: 0000000104de0002 CR4: 00000000003706e0 [ 59.426312] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.436275] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat [ 59.444721] INFO: lockdep is turned off. [ 59.449097] irq event stamp: 0 [ 59.452500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.459499] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.468632] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.477765] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.484762] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 59.493408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.500210] Call Trace: [ 59.502938] dump_stack+0x77/0x9b [ 59.506634] ___might_sleep.cold+0xa6/0xb6 [ 59.511204] exit_signals+0x1c/0x2e0 [ 59.515190] do_exit+0xd5/0xb00 [ 59.518692] ? ksys_write+0x68/0xf0 [ 59.522583] rewind_stack_do_exit+0x17/0x20 [ 59.527241] RIP: 0033:0x7f7928e22f33 [ 59.531229] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.552199] RSP: 002b:00007fff047cba68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.560653] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f7928e22f33 [ 59.568620] RDX: 000000000000000c RSI: 00007f7928d13000 RDI: 0000000000000001 [ 59.576589] RBP: 00007f7928d13000 R08: 00007f7928d12010 R09: 0000000000000000 [ 59.584557] R10: 00007f7928f1d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.592524] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 saw 'call trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: lkdtm: EXEC_STACK.sh # Killed # [ 55.171834] lkdtm: Performing direct entry EXEC_STACK # [ 55.180992] lkdtm: attempting ok execution at ffffffffb0cde560 # [ 55.193725] lkdtm: attempting bad execution at ffff9d4082357e18 # [ 55.206559] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.221112] BUG: unable to handle page fault for address: ffff9d4082357e18 # [ 55.228789] #PF: supervisor instruction fetch in kernel mode # [ 55.235106] #PF: error_code(0x0011) - permissions violation # [ 55.241329] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10380f067 PTE 8000000103186063 # [ 55.250375] Oops: 0011 [#6] SMP PTI # [ 55.254279] CPU: 0 PID: 1666 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 55.262926] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.269731] RIP: 0010:0xffff9d4082357e18 # [ 55.274108] Code: 00 00 18 7e 35 82 40 9d ff ff 46 b5 36 b1 ff ff ff ff 20 00 00 00 00 00 00 00 26 89 cc b1 ff ff ff ff 75 b6 36 b1 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 # [ 55.295079] RSP: 0018:ffff9d4082357df8 EFLAGS: 00010246 # [ 55.300911] RAX: 0000000000000033 RBX: 00[ 59.720519] lkdtm: Performing direct entry WRITE_RO [ 59.730322] lkdtm: attempting bad rodata write at ffffffffb18da1b0 00000000000001 RCX: 0000000000000000 # [ 55.308878] RDX: 0000[ 59.737290] BUG: unable to handle page fault for address: ffffffffb18da1b0 [ 59.751182] #PF: supervisor write access in kernel mode [ 59.757016] #PF: error_code(0x0003) - permissions violation [ 59.763238] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 800000014e2000e1 [ 59.771021] Oops: 0003 [#14] SMP PTI [ 59.775010] CPU: 3 PID: 1951 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 59.783657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.790463] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a 000000000000 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ [ 59.795424] Code: 00 48 c7 c7 70 97 cc b1 48 c7 c6 b0 a1 8d b1 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 12 cd ab 48 c7 c7 a0 97 cc b1 48 31 d0 <48> 89 05 24 ec 56 00 e9 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad [ 59.822615] RSP: 0018:ffff9d408273fe60 EFLAGS: 00010202 [ 59.828447] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 59.836415] RDX: 00000000abcd1234 RSI: ffff99e83ad9bf70 RDI: ffffffffb1cc97a0 [ 59.844383] RBP: ffffffffb1cc898d R08: 0000000000000000 R09: 0000000000000000 [ 59.852350] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 59.860330] R13: ffff9d408273ff10 R14: ffff9d408273ff10 R15: ffff99e7c286a000 [ 59.868298] FS: 00007f0068527580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 59.877333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.883747] CR2: ffffffffb18da1b0 CR3: 0000000103d7c003 CR4: 00000000003706e0 [ 59.891714] Call Trace: [ 59.894441] direct_entry.cold+0x2c/0x38 [ 59.898819] full_proxy_write+0x53/0x80 [ 59.903099] vfs_write+0xe7/0x3a0 [ 59.906794] ksys_write+0x68/0xf0 [ 59.910492] do_syscall_64+0x30/0x40 [ 59.914481] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.920121] RIP: 0033:0x7f006844ff33 [ 59.924109] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.945080] RSP: 002b:00007ffddacf19b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.953535] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f006844ff33 [ 59.961501] RDX: 0000000000000009 RSI: 00007f0068340000 RDI: 0000000000000001 [ 59.969468] RBP: 00007f0068340000 R08: 00007f006833f010 R09: 0000000000000000 [ 59.977436] R10: 00007f006854a1c0 R11: 0000000000000246 R12: 0000000000000001 [ 59.985403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 59.993374] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 55.316846] RBP: ffff9d4082357e18 R08: 0000000000000000 R09: 0000[ 60.019830] CR2: ffffffffb18da1b0 [ 60.029739] ---[ end trace febdcaa53cdb3d25 ]--- [ 60.034893] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.039280] Code: 89 ff e8 de bc 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 80 03 74 02 [ 60.060277] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 60.066111] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.074079] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 60.082048] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 60.090017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.097984] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 60.105952] FS: 00007f0068527580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 60.114986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.121400] CR2: ffffffffb18da1b0 CR3: 0000000103d7c003 CR4: 00000000003706e0 000000000000 # [ 55.324813] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 55.332779] R13: ffff9d4082357f10 R14: ffff9d4082357f10 R15: ffff99e7c3146000 # [ 55.340748] FS: 00007fa66a9e4580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 55.349783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.356196] CR2: ffff9d4082357e18 CR3: 000000010578a005 CR4: 00000000003706f0 # [ 55.364163] Call Trace: # [ 55.366891] ? execute_location+0x45/0x56 # [ 55.371369] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 55.375843] ? direct_entry.cold+0x2c/0x38 # [ 55.380407] ? full_proxy_write+0x53/0x80 # [ 55.384887] ? vfs_write+0xe7/0x3a0 # [ 55.388778] ? ksys_write+0x68/0xf0 # [ 55.392671] ? do_syscall_64+0x30/0x40 # [ 55.396858] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.402685] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.429121] CR2: ffff9d4082357e18 # [ 55.432809] ---[ end trace febdcaa53cdb3d1d ]--- # [ 55.437956] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.442338] Code: 89 ff e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 60.258379] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT [ 60.266448] lkdtm: attempting bad ro_after_init write at ffffffffb1d46328 [ 60.274043] BUG: unable to handle page fault for address: ffffffffb1d46328 [ 60.281726] #PF: supervisor write access in kernel mode [ 60.287559] #PF: error_code(0x0003) - permissions violation [ 60.293780] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 104c71063 PTE 800000014e746061 [ 60.302821] Oops: 0003 [#15] SMP PTI [ 60.306809] CPU: 2 PID: 1986 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 60.315448] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.322279] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 60.328309] Code: 97 cc b1 e9 f3 9b fd ff 48 c7 c7 f8 97 cc b1 e8 e7 9b fd ff 48 8b 05 58 ad 9d 00 ba 34 12 cd ab 48 c7 c7 a0 97 cc b1 48 31 d0 <48> 89 05 42 ad 9d 00 e9 c5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 60.355503] RSP: 0018:ffff9d40827afe60 EFLAGS: 00010202 [ 60.361333] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 60.369300] RDX: 00000000abcd1234 RSI: ffff99e83ad1bf70 RDI: ffffffffb1cc97a0 [ 60.377289] RBP: ffffffffb1cc8996 R08: 0000000000000000 R09: 0000000000000000 [ 60.385276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 60.393238] R13: ffff9d40827aff10 R14: ffff9d40827aff10 R15: ffff99e7c273e000 [ 60.401205] FS: 00007f95ab02e580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 60.410242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.416657] CR2: ffffffffb1d46328 CR3: 0000000104014004 CR4: 00000000003706e0 [ 60.424626] Call Trace: [ 60.427354] direct_entry.cold+0x2c/0x38 [ 60.431734] full_proxy_write+0x53/0x80 [ 60.436015] vfs_write+0xe7/0x3a0 [ 60.439712] ksys_write+0x68/0xf0 [ 60.443410] do_syscall_64+0x30/0x40 [ 60.447398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.453037] RIP: 0033:0x7f95aaf56f33 [ 60.457024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.478001] RSP: 002b:00007fffa69e3448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.486455] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f95aaf56f33 [ 60.494423] RDX: 0000000000000014 RSI: 00007f95aae47000 RDI: 0000000000000001 [ 60.502391] RBP: 00007f95aae47000 R08: 00007f95aae46010 R09: 0000000000000000 [ 60.510360] R10: 00007f95ab0511c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.518328] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 60.526314] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74[ 60.552772] CR2: ffffffffb1d46328 [ 60.562679] ---[ end trace febdcaa53cdb3d26 ]--- [ 60.567833] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.572199] Code: 89 ff e8 de bc 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 80 03 74 02 [ 60.593178] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 60.599001] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.606969] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 60.614936] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 60.622902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.630869] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 60.638839] FS: 00007f95ab02e580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 60.647876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.654292] CR2: ffffffffb1d46328 CR3: 0000000104014004 CR4: 00000000003706e0 [ 60.662276] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 60.672186] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1986, name: cat [ 60.680638] INFO: lockdep is turned off. [ 60.685012] irq event stamp: 0 [ 60.688416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.695412] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 60.704546] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 60.713678] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 60.720675] CPU: 2 PID: 1986 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 60.729326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.736128] Call Trace: [ 60.738854] dump_stack+0x77/0x9b [ 60.742543] ___might_sleep.cold+0xa6/0xb6 [ 60.747114] exit_signals+0x1c/0x2e0 [ 60.751104] do_exit+0xd5/0xb00 [ 60.754605] ? ksys_write+0x68/0xf0 [ 60.758497] rewind_stack_do_exit+0x17/0x20 [ 60.763165] RIP: 0033:0x7f95aaf56f33 [ 60.767142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 60.788120] RSP: 002b:00007fffa69e3448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 60.796573] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f95aaf56f33 [ 60.804541] RDX: 0000000000000014 RSI: 00007f95aae47000 RDI: 0000000000000001 [ 60.812509] RBP: 00007f95aae47000 R08: 00007f95aae46010 R09: 0000000000000000 [ 60.820478] R10: 00007f95ab0511c0 R11: 0000000000000246 R12: 0000000000000001 [ 60.828446] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 02 # [ 55.463318] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 55.469141] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.477107] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 55.485076] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 55.493043] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.501012] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 55.508981] FS: 00007fa66a9e4580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 55.518008] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.524424] CR2: ffff9d4082357e18 CR3: 000000010578a005 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 55.691620] lkdtm: Performing direct entry EXEC_KMALLOC # [ 55.699849] lkdtm: attempting ok execution at ffffffffb0cde560 # [ 55.706384] lkdtm: attempting bad execution at ffff99e7c3872600 # [ 55.713025] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 55.721396] BUG: unable to handle page fault for address: ffff99e7c3872600 # [ 55.729076] #PF: supervisor instruction fetch in[ 60.955592] lkdtm: Performing direct entry WRITE_KERN kernel mode # [ 55.741607] #PF: error_code(0x0011) - permiss[ 60.966412] lkdtm: attempting bad 6868880 byte write at ffffffffb136b4f0 ions violation # [ 55.747827] PGD 150001067 P4D 150001067 PUD[ 60.980117] BUG: unable to handle page fault for address: ffffffffb136b4f0 [ 60.993999] #PF: supervisor write access in kernel mode [ 60.999834] #PF: error_code(0x0003) - permissions violation 10084e063 PMD 104d94063 PTE 8000000103872163 # [ 55.763084] [ 61.006056] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 14dc000e1 [ 61.019365] Oops: 0003 [#16] SMP PTI [ 61.023347] CPU: 1 PID: 2021 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 61.031997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 Oops: 0011 [#7] SMP PTI # [ 55.766966] CPU: 3 PID: 1702 Comm:[ 61.038806] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 61.050173] Code: 53 48 c7 c3 f0 b4 36 b1 49 89 dc 48 89 da 49 81 ec 60 e5 cd b0 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 cd b0 a4 48 c7 c7 a0 97 cc b1 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 61.071157] RSP: 0018:ffff9d408280fe50 EFLAGS: 00010246 [ 61.076991] RAX: 000000000000003c RBX: ffffffffb136b4f0 RCX: 000000000068cf90 [ 61.084958] RDX: 0000000000000000 RSI: ffffffffb0cde560 RDI: ffffffffb136b4f0 [ 61.092927] RBP: ffffffffb1cc89aa R08: 0000000000000000 R09: 0000000000000000 [ 61.100898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 [ 61.108867] R13: ffff9d408280ff10 R14: ffff9d408280ff10 R15: ffff99e7c4ac9000 [ 61.116837] FS: 00007f14281fa580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 61.125876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.132291] CR2: ffffffffb136b4f0 CR3: 0000000104c1e004 CR4: 00000000003706e0 [ 61.140282] Call Trace: [ 61.143012] direct_entry.cold+0x2c/0x38 cat Tainted: G D W 5.10.136-cip13 #1 # [ 55.775[ 61.147393] full_proxy_write+0x53/0x80 [ 61.157886] vfs_write+0xe7/0x3a0 [ 61.161586] ksys_write+0x68/0xf0 [ 61.165287] do_syscall_64+0x30/0x40 605] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 61.169278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.181132] RIP: 0033:0x7f1428122f33 [ 61.185112] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.206086] RSP: 002b:00007fff9e006f28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.214542] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f1428122f33 [ 61.222511] RDX: 000000000000000b RSI: 00007f1428013000 RDI: 0000000000000001 [ 61.230479] RBP: 00007f1428013000 R08: 00007f1428012010 R09: 0000000000000000 [ 61.238449] R10: 00007f142821d1c0 R11: 0000000000000246 R12: 0000000000000001 [ 61.246418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 55.782408] RIP: 0010:0xffff99e7c3872600 # [ 55.786776] Code[ 61.254393] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.287032] CR2: ffffffffb136b4f0 [ 61.290729] ---[ end trace febdcaa53cdb3d27 ]--- [ 61.295884] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.300276] Code: 89 ff e8 de bc 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 80 03 74 02 [ 61.321279] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 [ 61.327113] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.335081] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 [ 61.343048] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 [ 61.351017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.358986] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 [ 61.366955] FS: 00007f14281fa580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 61.375993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.382408] CR2: ffffffffb136b4f0 CR3: 0000000104c1e004 CR4: 00000000003706e0 : 73 74 61 62 6c 65 2e 67 70 67 00 25 87 c3 e7 99 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 55.807758] RSP: 0018:ffff9d40823cfe38 EFLAGS: 00010246 # [ 55.813582] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.821548] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 # [ 55.829516] RBP: ffff99e7c3872600 R08: 0000000000000000 R09: 0000000000000000 # [ 55.837483] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 55.845449] R13: ffff9d40823cff10 R14: ffff9d40823cff10 R15: ffff99e7c3e54000 # [ 55.853416] FS: 00007f33d75ae580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 55.862451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.868866] CR2: ffff99e7c3872600 CR3: 00000001056e2001 CR4: 00000000003706e0 # [ 55.876833] Call Trace: # [ 55.879560] ? execute_location+0x45/0x56 # [ 55.884035] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 # [ 55.888702] ? direct_entry.cold+0x2c/0x38 # [ 55.893281] ? full_proxy_write+0x53/0x80 # [ 55.897755] ? vfs_write+0xe7/0x3a0 # [ 55.901645] ? ksy[ 61.503945] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW s_write+0x68/0xf0 # [ 55.905537] ? do_syscall_64+0x30/0x40 [ 61.515199] lkdtm: attempting good refcount_inc() without overflow # [ 55.909718] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.528338] lkdtm: attempting bad refcount_inc() overflow [ 55.915552] Modules linked in: fuse ip_tables cros_ec_sensors[ 61.540611] ------------[ cut here ]------------ cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf in[ 61.551987] refcount_t: saturated; leaking memory. dustrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_e[ 61.563580] WARNING: CPU: 0 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 c_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cro[ 61.579193] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify s_usbpd_notify # [ 55.942004] CR2: ffff99e7c3872600 # [ 55[ 61.611836] CPU: 0 PID: 2056 Comm: cat Tainted: G D W 5.10.136-cip13 #1 .951915] ---[ end trace febdcaa53cdb3d1e ]--- # [ 55.957068] [ 61.626699] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.961444] Code: 89 ff e8 de[ 61.639730] RIP: 0010:refcount_warn_saturate+0x51/0x110 bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc [ 61.651768] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f[ 61.678994] RSP: 0018:ffff9d4082877e48 EFLAGS: 00010286 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 55[ 61.691080] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 .982423] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 55.9[ 61.705249] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 88246] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 00000000[ 61.719496] RBP: ffffffffb1cc89b5 R08: 0000000000000000 R09: 0000000000000000 00000000 # [ 55.996215] RDX: 0000000000000000 RSI: ffff99e83a[ 61.733696] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 c9bf70 RDI: ffffffffb18d9d30 # [ 56.004182] RBP: ffffffffb1d2[ 61.747884] R13: ffff9d4082877f10 R14: ffff9d4082877f10 R15: ffff99e7c2876000 3c60 R08: 0000000000000001 R09: 0000000000000001 # [ 56.01215[ 61.762054] FS: 00007f422a4f4580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 1] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000[ 61.777346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0004 # [ 56.020116] R13: ffff9d40814c7f10 R14: ffff9d40814c7f[ 61.789970] CR2: 00007f422a30d000 CR3: 0000000104d96003 CR4: 00000000003706f0 10 R15: ffff99e7c571d000 # [ 56.028085] FS: 00007f33d75ae580[ 61.804198] Call Trace: (0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 5[ 61.813141] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 6.037122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [[ 61.824714] direct_entry.cold+0x2c/0x38 56.043536] CR2: ffff99e7c3872600 CR3: 00000001056e2001 CR4: 0[ 61.835309] full_proxy_write+0x53/0x80 0000000003706e0 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 se[ 61.845863] vfs_write+0xe7/0x3a0 lftests: lkdtm: EXEC_KMALLOC.sh # selftests: lkdtm: EXEC_VMALLO[ 61.855748] ksys_write+0x68/0xf0 C.sh # Killed # [ 56.149880] lkdtm: Performing direct entry [ 61.865724] do_syscall_64+0x30/0x40 EXEC_VMALLOC # [ 56.156844] lkdtm: attempting ok execution at[ 61.875901] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ffffffffb0cde560 # [ 56.163372] lkdtm: attempting bad execut[ 61.887821] RIP: 0033:0x7f422a41cf33 ion at ffff9d40803af000 # [ 56.176201] kernel tried to execut[ 61.897995] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 e NX-protected page - exploit attempt? (uid: 0) # [ 56.184567[ 61.925274] RSP: 002b:00007ffc0aa2ab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ] BUG: unable to handle page fault for address: ffff9d40803af000[ 61.939915] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f422a41cf33 # [ 56.192247] #PF: supervisor instruction fetch in kernel m[ 61.954119] RDX: 0000000000000016 RSI: 00007f422a30d000 RDI: 0000000000000001 ode # [ 56.198565] #PF: error_code(0x0011) - permissions viol[ 61.968276] RBP: 00007f422a30d000 R08: 00007f422a30c010 R09: 0000000000000000 ation # [ 56.204778] PGD 100000067 P4D 100000067 PUD 10021106[ 61.982493] R10: 00007f422a5171c0 R11: 0000000000000246 R12: 0000000000000001 7 PMD 10080b067 PTE 8000000103f5c063 # [ 56.220034] Oops: 001[ 61.996655] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1 [#8] SMP PTI # [ 56.223924] CPU: 2 PID: 1738 Comm: cat Tain[ 62.010864] irq event stamp: 0 ted: G D W 5.10.136-cip13 #1 # [ 56.232571] Hard[ 62.020469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.2393[ 62.033705] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 74] RIP: 0010:0xffff9d40803af000 # [ 56.243752] Code: Unable [ 62.049033] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 to access opcode bytes at RIP 0xffff9d40803aefd6. # [ 56.2514[ 62.064391] softirqs last disabled at (0): [<0000000000000000>] 0x0 29] RSP: 0018:ffff9d408246fe38 EFLAGS: 00010246 # [ 56.257271[ 62.077597] ---[ end trace febdcaa53cdb3d28 ]--- ] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000[ 62.088978] lkdtm: Overflow detected: saturated 000 # [ 56.265243] RDX: 0000000000000000 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 56.273203] RBP: ffff9d40803af000 R08: 0000000000000000 R09: 0000000000000000 # [ 56.281169] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 56.289137] R13: ffff9d408246ff10 R14: ffff9d408246ff10 R15: ffff99e7c3f5c000 # [ 56.297105] FS: 00007f2756036580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 56.306141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.312555] CR2: ffff9d40803aefd6 CR3: 0000000103b38006 CR4: 00000000003706e0 # [ 56.320522] Call Trace: # [ 56.323269] ? execute_location+0x45/0x56 # [ 56.327753] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 56.338628] ? direct_entry.cold+0x2c/0x38 # [ 56.343201] ? full_proxy_write+0x53/0x80 # [ 56.347676] ? vfs_write+0xe7/0x3a0 # [ 56.351566] ? ksys_write+0x68/0xf0 # [ 56.355458] ? do_syscall_64+0x30/0x40 # [ 56.359639] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.365476] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.224442] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW [ 56.391930] CR2: ffff9d40803af000 # [ 56.401841] ---[ end [ 62.231243] lkdtm: attempting good refcount_add() without overflow trace febdcaa53cdb3d1f ]--- # [ 56.406994] RIP: 0010:lkdtm_BU[ 62.244363] lkdtm: attempting bad refcount_add() overflow [ 62.256603] ------------[ cut here ]------------ G+0x5/0x10 # [ 56.411369] Code: 89 ff e8 de bc a3 ff 48 c7 c0[ 62.261760] refcount_t: saturated; leaking memory. ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 [ 62.273349] WARNING: CPU: 1 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00[ 62.288966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 56.432349] RSP: 0018[ 62.321607] CPU: 1 PID: 2088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 62.336474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 :ffff9d40814c7e60 EFLAGS: 00010286 # [ 56.438180] RAX: ffffff[ 62.343284] RIP: 0010:refcount_warn_saturate+0x51/0x110 ffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 56[ 62.355339] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 .446146] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffff[ 62.382537] RSP: 0018:ffff9d40828efe48 EFLAGS: 00010286 ffb18d9d30 # [ 56.454115] RBP: ffffffffb1d23c60 R08: 00000000[ 62.394591] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 00000001 R09: 0000000000000001 # [ 56.462083] R10: 00000000ff[ 62.408778] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 56.470[ 62.422966] RBP: ffffffffb1cc89cb R08: 0000000000000000 R09: 0000000000000000 051] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c5[ 62.437153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 71d000 # [ 56.478018] FS: 00007f2756036580(0000) GS:ffff99e8[ 62.451340] R13: ffff9d40828eff10 R14: ffff9d40828eff10 R15: ffff99e7c569e000 3ad00000(0000) knlGS:0000000000000000 # [ 56.487052] CS: 001[ 62.465554] FS: 00007f0721a8c580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 0 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.493467] CR2:[ 62.480789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ffff9d40803aefd6 CR3: 0000000103b38006 CR4: 00000000003706e0 #[ 62.493422] CR2: 00007f07218a5000 CR3: 0000000103172001 CR4: 00000000003706e0 [ 62.507612] Call Trace: [ 56.501434] BUG: sleeping function called from invalid conte[ 62.510363] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 xt at include/linux/percpu-rwsem.h:49 # [ 56.511344] in_atomi[ 62.521905] direct_entry.cold+0x2c/0x38 c(): 0, irqs_disabled(): 1, non_block: 0, pid: 1738, name: cat [ 62.532500] full_proxy_write+0x53/0x80 # [ 56.519796] INFO: lockdep is turned off. # [ 56.524170] [ 62.542996] vfs_write+0xe7/0x3a0 irq event stamp: 0 # [ 56.527573] hardirqs last enabled at ([ 62.552909] ksys_write+0x68/0xf0 0): [<0000000000000000>] 0x0 # [ 56.534571] hardirqs last dis[ 62.562825] do_syscall_64+0x30/0x40 abled at (0): [] copy_process+0x640/0x1c80 # [ 62.573028] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.543696] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.552828] softirqs last dis[ 62.595091] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 abled at (0): [<0000000000000000>] 0x0 # [ 56.559824] CPU: 2 [ 62.622291] RSP: 002b:00007ffcf256fc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.636963] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f07219b4f33 PID: 1738 Comm: cat Tainted: G D W 5.10.136-cip13 #[ 62.644936] RDX: 0000000000000016 RSI: 00007f07218a5000 RDI: 0000000000000001 [ 62.659116] RBP: 00007f07218a5000 R08: 00007f07218a4010 R09: 0000000000000000 1 # [ 56.568470] Hardware name: Google Rammus/Rammus, BIOS 0[ 62.667091] R10: 00007f0721aaf1c0 R11: 0000000000000246 R12: 0000000000000001 9/04/2020 # [ 56.575277] Call Trace: # [ 56.578003] dump_[ 62.681278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 stack+0x77/0x9b # [ 56.581692] ___might_sleep.cold+0xa6/0xb6[ 62.695471] irq event stamp: 0 # [ 56.586280] exit_signals+0x1c/0x2e0 # [ 56.590279] d[ 62.705089] hardirqs last enabled at (0): [<0000000000000000>] 0x0 o_exit+0xd5/0xb00 # [ 56.593781] ? ksys_write+0x68/0xf0 # [[ 62.718308] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.733662] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 56.597673] rewind_stack_do_exit+0x17/0x20 # [ 56.602340] [ 62.742801] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.756014] ---[ end trace febdcaa53cdb3d29 ]--- RIP: 0033:0x7f2755f5ef33 # [ 56.606340] Code: 8b 15 61 ef 0c [ 62.761173] lkdtm: Overflow detected: saturated 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.627335] RSP: 002b:00007ffcc7bafdd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 56.635788] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f2755f5ef33 # [ 56.643755] RDX: 000000000000000d RSI: 00007f2755e4f000 RDI: 0000000000000001 # [ 56.651723] RBP: 00007f2755e4f000 R08: 00007f2755e4e010 R09: 0000000000000000 # [ 56.659691] R10: 00007f27560591c0 R11: 0000000000000246 R12: 0000000000000001 # [ 56.667658] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 56.787427] lkdtm: Performing direct entry EXEC_RODATA # [ 56.793320] lkdtm: attempting ok execution at ffffffffb0cde560 # [ 56.806063] lkdtm: attempting bad execution at ffffffffb18da1c0 # [ 56.818905] kernel tried to execute NX-protected page - exploit atte[ 62.877241] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW [ 62.885714] lkdtm: attempting bad refcount_inc_not_zero() overflow mpt? (uid: 0) # [ 56.833436] BUG: unable to handle page fault[ 62.892647] ------------[ cut here ]------------ for address: ffffffffb18da1c0 # [ 56.841112] #PF: supervisor[ 62.903990] refcount_t: saturated; leaking memory. instruction fetch in kernel mode # [ 56.847429] #PF: error_c[ 62.915585] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 ode(0x0011) - permissions violation # [ 56.853650] PGD 14e829[ 62.931200] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 067 P4D 14e829067 PUD 14e82a063 PMD 800000014e2000e1 # [ 56.[ 62.963861] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.136-cip13 #1 861431] Oops: 0011 [#9] SMP PTI # [ 56.865321] CPU: 0 PID: 17[ 62.978713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 74 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ [ 62.991737] RIP: 0010:refcount_warn_saturate+0x97/0x110 56.873960] Hardware name: Google Rammus/Rammus, BIOS 09/04/20[ 63.003787] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 20 # [ 56.880765] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10[ 63.030989] RSP: 0018:ffff9d408294fe38 EFLAGS: 00010282 [ 63.043042] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 56.886505] Code: ff ff e5 ca 36 b1 ff ff ff ff 72 8b cc b[ 63.051014] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 [ 63.065196] RBP: ffffffffb1cc8608 R08: 0000000000000000 R09: 0000000000000000 1 ff ff ff ff 2b b2 36 b1 ff ff ff ff 55 aa 55 aa 00 00 00 00 00[ 63.073170] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.087353] R13: ffff9d408294ff10 R14: ffff9d408294ff10 R15: ffff99e7c2733000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 0[ 63.095329] FS: 00007fa690343580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 63.110577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 0 00 00 54 68 69 73 20 69 # [ 56.907483] RSP: 0018:ffff9d4082[ 63.116999] CR2: 00007fa69015c000 CR3: 0000000103828002 CR4: 00000000003706e0 [ 63.131183] Call Trace: 4f7e48 EFLAGS: 00010246 # [ 56.913319] RAX: 0000000000000033 [ 63.133918] __refcount_add_not_zero.constprop.0+0x2a/0x35 RBX: 0000000000000000 RCX: 0000000000000000 # [ 56.921286] RD[ 63.146270] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 X: 0000000000000000 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70[ 63.158717] direct_entry.cold+0x2c/0x38 # [ 56.929275] RBP: ffffffffb18da1c0 R08: 0000000000000000 R0[ 63.169327] full_proxy_write+0x53/0x80 9: 0000000000000000 # [ 56.937244] R10: 00000000ffffe000 R11:[ 63.179825] vfs_write+0xe7/0x3a0 3fffffffffffffff R12: 000000000000000c # [ 56.945212] R13: f[ 63.189741] ksys_write+0x68/0xf0 fff9d40824f7f10 R14: ffff9d40824f7f10 R15: ffff99e7c4bfc000 # [[ 63.199657] do_syscall_64+0x30/0x40 56.953181] FS: 00007fa1bac47580(0000) GS:ffff99e83ac00000(00[ 63.209863] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00) knlGS:0000000000000000 # [ 56.962206] CS: 0010 DS: 0000 [ 63.221722] RIP: 0033:0x7fa69026bf33 [ 63.231928] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 ES: 0000 CR0: 0000000080050033 # [ 56.968620] CR2: ffffffffb1[ 63.252914] RSP: 002b:00007ffc68eb44d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 8da1c0 CR3: 0000000105746001 CR4: 00000000003706f0 # [ 56.976[ 63.267584] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa69026bf33 587] Call Trace: # [ 56.979326] ? execute_location+0x45/0x56[ 63.281772] RDX: 000000000000001f RSI: 00007fa69015c000 RDI: 0000000000000001 # [ 56.983804] ? direct_entry.cold+0x2c/0x38 # [ 56.9883[ 63.295961] RBP: 00007fa69015c000 R08: 00007fa69015b010 R09: 0000000000000000 75] ? full_proxy_write+0x53/0x80 # [ 56.992855] ? vfs_write[ 63.310155] R10: 00007fa6903661c0 R11: 0000000000000246 R12: 0000000000000001 +0xe7/0x3a0 # [ 56.996746] ? ksys_write+0x68/0xf0 # [ 57.[ 63.324342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000638] ? do_syscall_64+0x30/0x40 # [ 57.004826] ? entry_SY[ 63.338534] irq event stamp: 0 SCALL_64_after_hwframe+0x61/0xc6 # [ 57.010661] Modules linke[ 63.348153] hardirqs last enabled at (0): [<0000000000000000>] 0x0 d in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indust[ 63.361371] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 rialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cro[ 63.376725] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 s_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub [ 63.392081] softirqs last disabled at (0): [<0000000000000000>] 0x0 x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.037[ 63.405301] ---[ end trace febdcaa53cdb3d2a ]--- 096] CR2: ffffffffb18da1c0 # [ 57.040784] ---[ end trace febd[ 63.416673] lkdtm: Overflow detected: saturated caa53cdb3d20 ]--- # [ 57.045937] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.050304] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 57.071281] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 57.077114] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.085080] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 57.093046] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 57.101013] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.108981] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 57.116948] FS: 00007fa1bac47580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 57.125985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.132399] CR2: ffffffffb18da1c0 CR3: 0000000105746001 CR4: 00000000003706f0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.s[ 63.530512] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW h # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 57.317[ 63.541198] lkdtm: attempting bad refcount_add_not_zero() overflow 519] lkdtm: Performing direct entry EXEC_USERSPACE # [ 57.326[ 63.554348] ------------[ cut here ]------------ 734] lkdtm: attempting ok execution at ffffffffb0cde560 # [ 5[ 63.565692] refcount_t: saturated; leaking memory. 7.339490] lkdtm: attempting bad execution at 00007f995c3ad000 #[ 63.577269] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 57.352301] unable to execute userspace code (SMEP?) (uid: 0[ 63.592901] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ) [ 63.625535] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 57.364912] BUG: unable to handle page fault for address: 0[ 63.634480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0007f995c3ad000[ 63.647500] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 63.654792] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 [ 63.675970] RSP: 0018:ffff9d40829f7e38 EFLAGS: 00010282 [ 63.681831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 57.372589] #PF: supervisor instruction fetch in kernel mod[ 63.689805] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 e [ 63.703986] RBP: ffffffffb1cc8628 R08: 0000000000000000 R09: 0000000000000000 [ 63.712248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 63.720244] R13: ffff9d40829f7f10 R14: ffff9d40829f7f10 R15: ffff99e7c28e9000 [ 63.728220] FS: 00007f001feee580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 57.378907] #PF: error_code(0x0011) - permissions violation[ 63.737285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.749913] CR2: 00007f001fd07000 CR3: 0000000104c0a005 CR4: 00000000003706e0 # [ 57.385126] PGD 8000000104fd0067 P4D 8000000104fd0067 PUD[ 63.757886] Call Trace: 100969067 PMD 103dd2067 PTE 1147af067 # [ 57.394852] Oops: 0[ 63.766827] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 63.779165] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 011 [#10] SMP PTI # [ 57.398831] CPU: 0 PID: 1810 Comm: cat T[ 63.785414] direct_entry.cold+0x2c/0x38 ainted: G D W 5.10.136-cip13 #1 [ 63.796004] full_proxy_write+0x53/0x80 [ 63.804753] vfs_write+0xe7/0x3a0 # [ 57.407470] Hardware name: Google Rammus/Rammus, BIOS 09/0[ 63.808477] ksys_write+0x68/0xf0 4/2020 # [ 57.414277] RIP: 0010:0x7f995c3ad000 # [ 57.4182[ 63.818392] do_syscall_64+0x30/0x40 75] Code: Unable to access opcode bytes at RIP 0x7f995c3acfd6. [ 63.828594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.425564] RSP: 0018:ffff9d4082557e50 EFLAGS: 00010246 # [ 63.840452] RIP: 0033:0x7f001fe16f33 [ 57.431386] RAX: 0000000000000033 RBX: 0000000000000024 RCX: [ 63.850681] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.877876] RSP: 002b:00007ffc141a57e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000000 # [ 57.439354] RDX: 0000000000000000 RSI: ff[ 63.886337] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f001fe16f33 ff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ 57.447328] RBP: 0000[ 63.900523] RDX: 000000000000001f RSI: 00007f001fd07000 RDI: 0000000000000001 [ 63.914709] RBP: 00007f001fd07000 R08: 00007f001fd06010 R09: 0000000000000000 [ 63.922682] R10: 00007f001ff111c0 R11: 0000000000000246 R12: 0000000000000001 7f995c3ad000 R08: 0000000000000000 R09: 0000000000000000 # [ [ 63.930656] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 57.455317] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 63.944854] irq event stamp: 0 00000000000f # [ 57.463284] R13: ffff9d4082557f10 R14: ffff9d[ 63.954473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 4082557f10 R15: ffff99e7c4bfc000 [ 63.967687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.980124] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 57.471276] FS: 00007f995c37e580(0000) GS:ffff99e83ac00000[ 63.989268] softirqs last disabled at (0): [<0000000000000000>] 0x0 (0000) knlGS:0000000000000000[ 64.002483] ---[ end trace febdcaa53cdb3d2b ]--- [ 64.010454] lkdtm: Overflow detected: saturated # [ 57.480321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.486727] CR2: 00007f995c3ad000 CR3: 000000010383c003 CR4: 00000000003706f0 # [ 57.494694] Call Trace: # [ 57.497421] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 57.502772] ? direct_entry.cold+0x2c/0x38 # [ 57.507344] ? full_proxy_write+0x53/0x80 # [ 57.511824] ? vfs_write+0xe7/0x3a0 # [ 57.515716] ? ksys_write+0x68/0xf0 # [ 57.519600] ? do_syscall_64+0x30/0x40 # [ 57.523788] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 57.529626] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 57.556060] CR2: 00007f995c3ad000 # [ 57.559755] ---[ end trace febdcaa53cdb3d21 ]--- # [ 57.564909] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 57.569284] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 57.590275] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 57.596108] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 57.604076] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 57.612043] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 57.620009] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 57.627977] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 57.635944] FS: 00007f995c37e580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 57.644980] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 57.651395] CR2: 00007f995c3ad000 CR3: 000000[ 64.192316] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO 010383c003 CR4: 00000000003706f0 # EXEC_USERSPACE: saw 'call tr[ 64.202437] lkdtm: attempting good refcount_dec() ace:': ok ok 35 selftests: lkdtm: EXEC_USERSPACE.sh # selftest[ 64.213938] lkdtm: attempting bad refcount_dec() to zero s: lkdtm: EXEC_NULL.sh # Killed # [ 57.795311] lkdtm: Perfor[ 64.226067] ------------[ cut here ]------------ ming direct entry EXEC_NULL # [ 57.801687] lkdtm: attempting [ 64.237418] refcount_t: decrement hit 0; leaking memory. ok execution at ffffffffb0cde560 # [ 57.808202] lkdtm: attemp[ 64.249610] WARNING: CPU: 0 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ting bad execution at 0000000000000000 # [ 57.814819] BUG: ke[ 64.265262] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify rnel NULL pointer dereference, address: 0000000000000000 # [ [ 64.297915] CPU: 0 PID: 2184 Comm: cat Tainted: G D W 5.10.136-cip13 #1 57.822620] #PF: supervisor instruction fetch in kernel mode # [[ 64.312803] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 57.835151] #PF: error_code(0x0010) - not-present page # [ [ 64.325845] RIP: 0010:refcount_warn_saturate+0xfb/0x110 57.840886] PGD 0 P4D 0 # [ 57.843710] Oops: 0010 [#11] SMP P[ 64.337901] Code: 40 44 c6 b1 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b TI # [ 57.847696] CPU: 3 PID: 1846 Comm: cat Tainted: G [ 64.365062] RSP: 0018:ffff9d4082a97e48 EFLAGS: 00010286 D W 5.10.136-cip13 #1 # [ 57.856344] Hardware name: G[ 64.377151] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 oogle Rammus/Rammus, BIOS 09/04/2020 # [ 57.863149] RIP: 001[ 64.391326] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 0:0x0 # [ 57.866068] Code: Unable to access opcode bytes at R[ 64.405553] RBP: ffffffffb1cc89e1 R08: 0000000000000000 R09: 0000000000000000 IP 0xffffffffffffffd6. # [ 57.873736] RSP: 0018:ffff9d408259f[ 64.419726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 e48 EFLAGS: 00010246 # [ 57.879567] RAX: 0000000000000033 RBX[ 64.433950] R13: ffff9d4082a97f10 R14: ffff9d4082a97f10 R15: ffff99e7c3d7c000 : 0000000000000000 RCX: 0000000000000000 # [ 57.887535] RDX: [ 64.448101] FS: 00007f23f7059580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 # [ 64.463355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.895504] RBP: 0000000000000000 R08: 0000000000000000 R09: [ 64.476026] CR2: 00007f23f6e72000 CR3: 0000000103b0a002 CR4: 00000000003706f0 0000000000000000 # [ 57.903473] R10: 00000000ffffe000 R11: 3f[ 64.490199] Call Trace: ffffffffffffff R12: 000000000000000a # [ 57.911440] R13: ffff[ 64.499177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd 9d408259ff10 R14: ffff9d408259ff10 R15: ffff99e7c3e64000 # [ [ 64.510403] direct_entry.cold+0x2c/0x38 57.919408] FS: 00007fd1d19d8580(0000) GS:ffff99e83ad80000(0000)[ 64.520963] full_proxy_write+0x53/0x80 knlGS:0000000000000000 # [ 57.928443] CS: 0010 DS: 0000 ES:[ 64.531496] vfs_write+0xe7/0x3a0 0000 CR0: 0000000080050033 # [ 57.934859] CR2: fffffffffffff[ 64.541430] ksys_write+0x68/0xf0 fd6 CR3: 0000000103162004 CR4: 00000000003706e0 # [ 57.942827[ 64.551338] do_syscall_64+0x30/0x40 ] Call Trace: # [ 57.945555] execute_location+0x45/0x56 # [[ 64.561525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 57.949834] direct_entry.cold+0x2c/0x38 # [ 57.954203] fu[ 64.573392] RIP: 0033:0x7f23f6f81f33 ll_proxy_write+0x53/0x80 # [ 57.958483] vfs_write+0xe7/0x3a0[ 64.583592] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 57.962180] ksys_write+0x68/0xf0 # [ 57.965878] do_s[ 64.610809] RSP: 002b:00007ffc6aab56f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 yscall_64+0x30/0x40 # [ 57.969867] entry_SYSCALL_64_after_hw[ 64.625461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f23f6f81f33 frame+0x61/0xc6 # [ 57.975504] RIP: 0033:0x7fd1d1900f33 # [ [ 64.639657] RDX: 0000000000000012 RSI: 00007f23f6e72000 RDI: 0000000000000001 57.979492] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff [ 64.653832] RBP: 00007f23f6e72000 R08: 00007f23f6e71010 R09: 0000000000000000 ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 0[ 64.668044] R10: 00007f23f707c1c0 R11: 0000000000000246 R12: 0000000000000001 1 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 [ 64.682216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ec 28 48 89 54 24 18 # [ 58.000472] RSP: 002b:00007fff32a3789[ 64.696428] irq event stamp: 0 8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.008968] [ 64.706028] hardirqs last enabled at (0): [<0000000000000000>] 0x0 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1d1900f3[ 64.719269] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 3 # [ 58.016937] RDX: 000000000000000a RSI: 00007fd1d17f1000 [ 64.734601] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 RDI: 0000000000000001 # [ 58.024905] RBP: 00007fd1d17f1000 R0[ 64.749980] softirqs last disabled at (0): [<0000000000000000>] 0x0 8: 00007fd1d17f0010 R09: 0000000000000000 # [ 58.032873] R10:[ 64.763179] ---[ end trace febdcaa53cdb3d2c ]--- 00007fd1d19fb1c0 R11: 0000000000000246 R12: 0000000000000001 #[ 64.774571] lkdtm: Zero detected: saturated [ 58.040842] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 58.048813] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.075268] CR2: 0000000000000000 # [ 58.085176] ---[ end trace febdcaa53cdb3d22 ]--- # [ 58.090324] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.094700] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 58.115668] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 58.121501] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.129469] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 58.137436] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 58.145403] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.153370] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 58.161338] FS: 00007fd1d19d8580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 58.170374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.176788] CR2: ffffffffffffffd6 CR3: 0000000103162004 CR4: 00000000003706e0 # [ 58.184755] BUG: slee[ 64.927403] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE ping function called from invalid context at include/linux/percp[ 64.935364] lkdtm: attempting bad refcount_dec() below zero u-rwsem.h:49 # [ 58.194666] in_atomic(): 0, irqs_disabled(): [ 64.947820] ------------[ cut here ]------------ [ 64.959169] refcount_t: decrement hit 0; leaking memory. 1, non_block: 0, pid: 1846, name: cat # [ 58.203109] INFO: lo[ 64.965129] WARNING: CPU: 1 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 ckdep is turned off. # [ 58.207485] irq event stamp: 0 # [ [ 64.980738] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 58.210889] hardirqs last enabled at (0): [<0000000000000000>] [ 65.013378] CPU: 1 PID: 2219 Comm: cat Tainted: G D W 5.10.136-cip13 #1 0x0 # [ 58.217887] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 58.227011] softirqs l[ 65.041282] RIP: 0010:refcount_warn_saturate+0xfb/0x110 ast enabled at (0): [] copy_process+0x640/0x1[ 65.053334] Code: 40 44 c6 b1 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b c80 # [ 58.236144] softirqs last disabled at (0): [<000000000[ 65.080534] RSP: 0018:ffff9d4082affe48 EFLAGS: 00010286 0000000>] 0x0 # [ 58.243142] CPU: 3 PID: 1846 Comm: cat Taint[ 65.092587] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 ed: G D W 5.10.136-cip13 #1 # [ 58.251789] Hardw[ 65.106774] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 are name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.25859[ 65.120986] RBP: ffffffffb1cc89f3 R08: 0000000000000000 R09: 0000000000000000 1] Call Trace: # [ 58.261329] dump_stack+0x77/0x9b # [ 58[ 65.135155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 .265025] ___might_sleep.cold+0xa6/0xb6 # [ 58.269588] exit_[ 65.149341] R13: ffff9d4082afff10 R14: ffff9d4082afff10 R15: ffff99e7c3d25000 signals+0x1c/0x2e0 # [ 58.273577] do_exit+0xd5/0xb00 # [ [ 65.163531] FS: 00007f873b59a580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 58.277071] ? ksys_write+0x68/0xf0 # [ 58.280964] rewind_sta[ 65.178788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ck_do_exit+0x17/0x20 # [ 58.285631] RIP: 0033:0x7fd1d1900f33[ 65.191422] CR2: 00007f873b3b3000 CR3: 0000000103d60005 CR4: 00000000003706e0 # [ 58.289619] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c[ 65.205611] Call Trace: 0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14[ 65.214561] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 4[ 65.226125] direct_entry.cold+0x2c/0x38 8 83 ec 28 48 89 54 24 18 # [ 58.310589] RSP: 002b:00007fff32[ 65.236723] full_proxy_write+0x53/0x80 a37898 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.319[ 65.247221] vfs_write+0xe7/0x3a0 043] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fd1d1[ 65.257136] ksys_write+0x68/0xf0 900f33 # [ 58.327011] RDX: 000000000000000a RSI: 00007fd1d17f[ 65.267054] do_syscall_64+0x30/0x40 1000 RDI: 0000000000000001 # [ 58.334979] RBP: 00007fd1d17f10[ 65.277284] entry_SYSCALL_64_after_hwframe+0x61/0xc6 00 R08: 00007fd1d17f0010 R09: 0000000000000000 # [ 58.342946][ 65.289141] RIP: 0033:0x7f873b4c2f33 R10: 00007fd1d19fb1c0 R11: 0000000000000246 R12: 00000000000000[ 65.299348] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 01 # [ 58.350912] R13: 0000000000000001 R14: 0000000000020000[ 65.326550] RSP: 002b:00007fff03c59be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 R15: 0000000000020000 # EXEC_NULL: saw 'call trace:': ok ok 3[ 65.341225] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f873b4c2f33 6 selftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USE[ 65.355416] RDX: 0000000000000016 RSI: 00007f873b3b3000 RDI: 0000000000000001 RSPACE.sh # Killed # [ 58.472075] lkdtm: Performing direct e[ 65.369608] RBP: 00007f873b3b3000 R08: 00007f873b3b2010 R09: 0000000000000000 ntry ACCESS_USERSPACE # [ 58.483268] lkdtm: attempting bad re[ 65.383799] R10: 00007f873b5bd1c0 R11: 0000000000000246 R12: 0000000000000001 ad at 00007f8113242000 # [ 58.495603] BUG: unable to handle p[ 65.397988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 age fault for address: 00007f8113242000 # [ 58.509482] #PF: s[ 65.412185] irq event stamp: 0 upervisor read access in kernel mode # [ 58.515217] #PF: erro[ 65.421804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 r_code(0x0001) - permissions violation # [ 58.521431] PGD 800[ 65.435026] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000103b16067 P4D 8000000103b16067 PUD 103d61067 PMD 1027f6067 P[ 65.450382] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 TE 113ca0067 # [ 58.537369] Oops: 0001 [#12] SMP PTI # [ 5[ 65.465738] softirqs last disabled at (0): [<0000000000000000>] 0x0 8.541357] CPU: 1 PID: 1881 Comm: cat Tainted: G D W [ 65.478957] ---[ end trace febdcaa53cdb3d2d ]--- 5.10.136-cip13 #1 # [ 58.550006] Hardware name: Google Rammu[ 65.490329] lkdtm: Negative detected: saturated s/Rammus, BIOS 09/04/2020 # [ 58.556812] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 # [ 58.563036] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 90 98 cc b1 e8 19 9a fd ff 48 c7 c7 b8 98 cc b1 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 00 9a fd ff 48 89 ee 48 c7 c7 e0 98 cc # [ 58.590229] RSP: 0018:ffff9d4082637e48 EFLAGS: 00010246 # [ 58.596062] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 # [ 58.604031] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb1cc98b8 # [ 58.611998] RBP: 00007f8113242000 R08: 0000000000000000 R09: 0000000000000000 # [ 58.619966] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 # [ 58.627934] R13: ffff9d4082637f10 R14: ffff9d4082637f10 R15: ffff99e7c3d7b000 # [ 58.635902] FS: 00007f8113213580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 58.644937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.651353] CR2: 00007f8113242000 CR3: 0000000105cac006 CR4: 00000000003706e0 # [ 58.659327] Call Trace: # [ 58.662054] direct_entry.cold+0x2c/0x38 # [ 58.666435] full_proxy_write+0x53/0x80 # [ 58.676926] vfs_write+0xe7/0x3a0 # [ 58.680624] ksys_write+0x68/0xf0 # [ 58.684330] do_syscall_64+0x30[ 65.620118] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE /0x40 # [ 58.688332] entry_SYSCALL_64_after_hwframe+0x61/0xc[ 65.633627] lkdtm: attempting bad refcount_dec_and_test() below zero 6 # [ 58.700184] RIP: 0033:0x7f811313bf33 # [ 58.704163] C[ 65.646965] ------------[ cut here ]------------ ode: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7[ 65.658333] refcount_t: underflow; use-after-free. 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f [ 65.669939] WARNING: CPU: 0 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54[ 65.685546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 24 18 # [ 58.725143] RSP: 002b:00007ffd78dcf588 EFLAGS: 0000[ 65.718207] CPU: 0 PID: 2254 Comm: cat Tainted: G D W 5.10.136-cip13 #1 0246 ORIG_RAX: 0000000000000001 # [ 58.733598] RAX: fffffffff[ 65.733058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 fffffda RBX: 0000000000000011 RCX: 00007f811313bf33 # [ 58.74[ 65.746132] RIP: 0010:refcount_warn_saturate+0xba/0x110 1567] RDX: 0000000000000011 RSI: 00007f811302c000 RDI: 000000000[ 65.758138] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 0000001 # [ 58.749536] RBP: 00007f811302c000 R08: 00007f81130[ 65.785391] RSP: 0018:ffff9d4082b8fe40 EFLAGS: 00010286 2b010 R09: 0000000000000000 # [ 58.757504] R10: 00007f8113236[ 65.797454] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 58.765471[ 65.811699] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 ] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020[ 65.825865] RBP: ffffffffb1cc8648 R08: 0000000000000000 R09: 0000000000000000 000 # [ 58.773444] Modules linked in: fuse ip_tables cros_ec_[ 65.840084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo[ 65.854268] R13: ffff9d4082b8ff10 R14: ffff9d4082b8ff10 R15: ffff99e7c4612000 _buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar[ 65.868483] FS: 00007f5debd06580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_[ 65.883742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 dev cros_usbpd_notify # [ 58.806079] CR2: 00007f8113242000 #[ 65.896410] CR2: 00007f5debb1f000 CR3: 000000010556a006 CR4: 00000000003706f0 [ 58.809766] ---[ end trace febdcaa53cdb3d23 ]--- # [ 58.8[ 65.910587] Call Trace: 14920] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.819286] Code: 89 f[ 65.919551] __refcount_sub_and_test.constprop.0+0x3c/0x50 f e8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff[ 65.931888] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0[ 65.944402] direct_entry.cold+0x2c/0x38 b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 #[ 65.955001] full_proxy_write+0x53/0x80 [ 58.840284] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [[ 65.965526] vfs_write+0xe7/0x3a0 58.846117] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0[ 65.975440] ksys_write+0x68/0xf0 000000000000000 # [ 58.854085] RDX: 0000000000000000 RSI: fff[ 65.985399] do_syscall_64+0x30/0x40 f99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 58.862054] RBP: fffff[ 65.995614] entry_SYSCALL_64_after_hwframe+0x61/0xc6 fffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 5[ 66.007503] RIP: 0033:0x7f5debc2ef33 8.870024] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000[ 66.017705] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00000000004 # [ 58.877993] R13: ffff9d40814c7f10 R14: ffff9d4[ 66.044944] RSP: 002b:00007ffd7eeb05b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0814c7f10 R15: ffff99e7c571d000 # [ 58.885962] FS: 00007f811[ 66.059608] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5debc2ef33 3213580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 [ 66.073856] RDX: 000000000000001f RSI: 00007f5debb1f000 RDI: 0000000000000001 # [ 58.894999] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000800500[ 66.088017] RBP: 00007f5debb1f000 R08: 00007f5debb1e010 R09: 0000000000000000 33 # [ 58.901413] CR2: 00007f8113242000 CR3: 0000000105cac006[ 66.102237] R10: 00007f5debd291c0 R11: 0000000000000246 R12: 0000000000000001 CR4: 00000000003706e0 # ACCESS_USERSPACE: saw 'call trace:': o[ 66.116395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 k ok 37 selftests: lkdtm: ACCESS_USERSPACE.sh # selftests: lkd[ 66.130590] irq event stamp: 0 tm: ACCESS_NULL.sh # Killed # [ 59.041977] lkdtm: Performing[ 66.140207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 direct entry ACCESS_NULL # [ 59.051867] lkdtm: attempting ba[ 66.153432] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 d read at 0000000000000000 # [ 59.058012] BUG: kernel NULL po[ 66.168799] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 66.184138] softirqs last disabled at (0): [<0000000000000000>] 0x0 inter dereference, address: 0000000000000000 # [ 59.065794] #[ 66.191148] ---[ end trace febdcaa53cdb3d2e ]--- PF: supervisor read access in kernel mode # [ 59.071531] #PF:[ 66.202569] lkdtm: Negative detected: saturated error_code(0x0000) - not-present page # [ 59.077279] PGD 0 P4D 0 # [ 59.080102] Oops: 0000 [#13] SMP PTI # [ 59.084089] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 59.092737] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.099534] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 59.104783] Code: bd 99 fd ff be 00 10 00 00 48 89 ef e8 30 b9 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 90 98 cc b1 e8 97 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 b8 98 cc b1 48 01 # [ 59.125761] RSP: 0018:ffff9d40826d7e58 EFLAGS: 00010246 # [ 59.131593] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 59.139562] RDX: 0000000000000000 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 # [ 59.147529] RBP: ffffffffb1cc8981 R08: 0000000000000000 R09: 0000000000000000 # [ 59.155497] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 59.163466] R13: ffff9d40826d7f10 R14: ffff9d40826d7f10 R15: ffff99e7c56e7000 # [ 59.171434] FS: 00007f7928efa580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 59.180471] CS: 00[ 66.323757] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE 10 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.186885] CR2[ 66.333306] lkdtm: attempting bad refcount_sub_and_test() below zero : 0000000000000000 CR3: 0000000104de0002 CR4: 00000000003706e0 [ 66.346612] ------------[ cut here ]------------ # [ 59.194851] Call Trace: # [ 59.197579] direct_entry.col[ 66.357977] refcount_t: underflow; use-after-free. d+0x2c/0x38 # [ 59.201957] full_proxy_write+0x53/0x80 # [ [ 66.369576] WARNING: CPU: 1 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 59.206236] vfs_write+0xe7/0x3a0 # [ 59.209932] ksys_write+[ 66.385186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0x68/0xf0 # [ 59.213631] do_syscall_64+0x30/0x40 # [ 59.2[ 66.417825] CPU: 1 PID: 2289 Comm: cat Tainted: G D W 5.10.136-cip13 #1 17619] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.22324[ 66.432690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 7] RIP: 0033:0x7f7928e22f33 # [ 59.227278] Code: 8b 15 61 ef [ 66.445712] RIP: 0010:refcount_warn_saturate+0xba/0x110 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 0[ 66.457764] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 4 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 [ 66.484966] RSP: 0018:ffff9d4082b37e40 EFLAGS: 00010286 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.[ 66.497020] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 248279] RSP: 002b:00007fff047cba68 EFLAGS: 00000246 ORIG_RAX: 00[ 66.511210] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 00000000000001 # [ 59.256734] RAX: ffffffffffffffda RBX: 0000[ 66.525398] RBP: ffffffffb1cc8668 R08: 0000000000000000 R09: 0000000000000000 00000000000c RCX: 00007f7928e22f33 # [ 59.264702] RDX: 000000[ 66.539590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 000000000c RSI: 00007f7928d13000 RDI: 0000000000000001 # [ 59[ 66.553778] R13: ffff9d4082b37f10 R14: ffff9d4082b37f10 R15: ffff99e7c3a51000 .272669] RBP: 00007f7928d13000 R08: 00007f7928d12010 R09: 000000[ 66.567966] FS: 00007f7e68e09580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 0000000000 # [ 59.280636] R10: 00007f7928f1d1c0 R11: 00000000[ 66.583231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000246 R12: 0000000000000001 # [ 59.288603] R13: 0000000000[ 66.595866] CR2: 00007f7e68c22000 CR3: 000000010556a004 CR4: 00000000003706e0 000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.296[ 66.610049] Call Trace: 574] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_s[ 66.618998] __refcount_sub_and_test.constprop.0+0x3c/0x50 ensors_core industrialio_triggered_buffer kfifo_buf industrialio[ 66.631340] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs [ 66.643783] direct_entry.cold+0x2c/0x38 cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_no[ 66.654377] full_proxy_write+0x53/0x80 tify # [ 59.323025] CR2: 0000000000000000 # [ 59.326722] -[ 66.664876] vfs_write+0xe7/0x3a0 --[ end trace febdcaa53cdb3d24 ]--- # [ 59.331868] RIP: 0010:[ 66.674789] ksys_write+0x68/0xf0 lkdtm_BUG+0x5/0x10 # [ 59.336243] Code: 89 ff e8 de bc a3 ff [ 66.684705] do_syscall_64+0x30/0x40 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 4[ 66.694910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 8 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 [ 66.706769] RIP: 0033:0x7f7e68d31f33 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ 59.357223] R[ 66.716974] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 SP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 59.363055] RAX[ 66.744177] RSP: 002b:00007ffe32806508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 [ 66.758854] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7e68d31f33 # [ 59.371021] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI[ 66.773044] RDX: 000000000000001f RSI: 00007f7e68c22000 RDI: 0000000000000001 : ffffffffb18d9d30 # [ 59.378989] RBP: ffffffffb1d23c60 R08: [ 66.787233] RBP: 00007f7e68c22000 R08: 00007f7e68c21010 R09: 0000000000000000 0000000000000001 R09: 0000000000000001 # [ 59.386957] R10: 00[ 66.801422] R10: 00007f7e68e2c1c0 R11: 0000000000000246 R12: 0000000000000001 000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ [ 66.815609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 59.394924] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ff[ 66.829803] irq event stamp: 0 ff99e7c571d000 # [ 59.402892] FS: 00007f7928efa580(0000) GS:[ 66.839423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 59.411929] [ 66.852642] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.4183[ 66.867997] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 43] CR2: 0000000000000000 CR3: 0000000104de0002 CR4: 00000000003[ 66.883354] softirqs last disabled at (0): [<0000000000000000>] 0x0 706e0 # [ 59.426312] BUG: sleeping function called from inval[ 66.896572] ---[ end trace febdcaa53cdb3d2f ]--- id context at include/linux/percpu-rwsem.h:49 # [ 59.436275] [ 66.907945] lkdtm: Negative detected: saturated in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1916, name: cat # [ 59.444721] INFO: lockdep is turned off. # [ 59.449097] irq event stamp: 0 # [ 59.452500] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.459499] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.468632] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.477765] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.484762] CPU: 3 PID: 1916 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 59.493408] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.500210] Call Trace: # [ 59.502938] dump_stack+0x77/0x9b # [ 59.506634] ___might_sleep.cold+0xa6/0xb6 # [ 59.511204] exit_signals+0x1c/0x2e0 # [ 59.515190] do_exit+0xd5/0xb00 # [ 59.518692] ? ksys_write+0x68/0xf0 # [ 59.522583] rewind_stack_do_exit+0x17/0x20 # [ 59.527241] RIP: 0033:0x7f7928e22f33 # [ 59.531229] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ [ 67.032294] lkdtm: Performing direct entry REFCOUNT_INC_ZERO [ 67.043657] lkdtm: attempting safe refcount_inc_not_zero() from zero [ 67.050760] lkdtm: Good: zero detected [ 67.054981] lkdtm: Correctly stayed at zero [ 67.059681] lkdtm: attempting bad refcount_inc() from zero 59.552199] RSP: 002b:00007fff047cba68 EFLAGS: 00000246 ORIG_RA[ 67.065811] ------------[ cut here ]------------ X: 0000000000000001 # [ 59.560653] RAX: ffffffffffffffda RBX:[ 67.077185] refcount_t: addition on 0; use-after-free. [ 67.089164] WARNING: CPU: 2 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 000000000000000c RCX: 00007f7928e22f33 # [ 59.568620] RDX: 0[ 67.098603] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 67.131243] CPU: 2 PID: 2321 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 67.139920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 67.146729] RIP: 0010:refcount_warn_saturate+0x74/0x110 [ 67.152566] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 b1 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 [ 67.173553] RSP: 0018:ffff9d4082c97e48 EFLAGS: 00010286 [ 67.179389] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 [ 67.187363] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 [ 67.195335] RBP: ffffffffb1cc8a09 R08: 0000000000000000 R09: 0000000000000000 [ 67.203321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 67.211293] R13: ffff9d4082c97f10 R14: ffff9d4082c97f10 R15: ffff99e7c13f5000 [ 67.219281] FS: 00007f6359159580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 00000000000000c RSI: 00007f7928d13000 RDI: 0000000000000001 # [[ 67.228324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.240951] CR2: 00007f6358f72000 CR3: 000000010314e004 CR4: 00000000003706e0 [ 67.248924] Call Trace: [ 67.251656] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 [ 67.256642] direct_entry.cold+0x2c/0x38 [ 67.261047] full_proxy_write+0x53/0x80 [ 67.265352] vfs_write+0xe7/0x3a0 [ 67.269076] ksys_write+0x68/0xf0 [ 67.272778] do_syscall_64+0x30/0x40 [ 67.276793] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 67.282435] RIP: 0033:0x7f6359081f33 [ 67.286427] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.307414] RSP: 002b:00007ffd56f3f068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.315871] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6359081f33 [ 67.323843] RDX: 0000000000000012 RSI: 00007f6358f72000 RDI: 0000000000000001 [ 67.331815] RBP: 00007f6358f72000 R08: 00007f6358f71010 R09: 0000000000000000 59.576589] RBP: 00007f7928d13000 R08: 00007f7928d12010 R09: 0[ 67.339788] R10: 00007f635917c1c0 R11: 0000000000000246 R12: 0000000000000001 000000000000000 # [ 59.584557] R10: 00007f7928f1d1c0 R11: 000[ 67.353976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.368169] irq event stamp: 0 [ 67.371607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.378609] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.387773] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.396910] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.403933] ---[ end trace febdcaa53cdb3d30 ]--- 0000000000246 R12: 0000000000000001 # [ 59.592524] R13: 00000[ 67.409103] lkdtm: Zero detected: saturated 00000000001 R14: 0000000000020000 R15: 0000000000020000 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 59.720519] lkdtm: Performing direct entry WRITE_RO # [ 59.730322] lkdtm: attempting bad rodata write at ffffffffb18da1b0 # [ 59.737290] BUG: unable to handle page fault for address: ffffffffb18da1b0 # [ 59.751182] #PF: supervisor write access in kernel mode # [ 59.757016] #PF: error_code(0x0003) - permissions violation # [ 59.763238] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 800000014e2000e1 # [ 59.771021] Oops: 0003 [#14] SMP PTI # [ 59.775010] CPU: 3 PID: 1951 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 59.783657] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.790463] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a # [ 59.795424] Code: 00 48 c7 c7 70 97 cc b1 48 c7 c6 b0 a1 8d b1 e8 41 9c fd ff 48 8b 05 3a ec 56 00 ba 34 12 cd ab 48 c7 c7 a0 97 cc b1 48 31 d0 <48> 89 05 24 ec 56 00 e9 1f 9c fd ff 0f 1f 44 00 00 48 8b 05 8b ad # [ 59.822615] RSP: 0018:ffff9d408273fe60 EFLAGS: 00010202 # [ 59.828447] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 00000000000[ 67.534824] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO [ 67.544448] lkdtm: attempting safe refcount_add_not_zero() from zero [ 67.551568] lkdtm: Good: zero detected [ 67.555770] lkdtm: Correctly stayed at zero [ 67.560453] lkdtm: attempting bad refcount_add() from zero [ 67.566589] ------------[ cut here ]------------ [ 67.571744] refcount_t: addition on 0; use-after-free. [ 67.577492] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 [ 67.586927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 00000 # [ 59.836415] RDX: 00000000abcd1234 RSI: ffff99e83ad9b[ 67.613393] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 67.628271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f70 RDI: ffffffffb1cc97a0 # [ 59.844383] RBP: ffffffffb1cc898[ 67.635089] RIP: 0010:refcount_warn_saturate+0x74/0x110 d R08: 0000000000000000 R09: 0000000000000000 # [ 59.852350] [ 67.647139] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 b1 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 [ 67.674341] RSP: 0018:ffff9d4082c67e48 EFLAGS: 00010286 [ 67.680209] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 [ 67.688181] RDX: ffff99e83adac660 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 [ 67.696153] RBP: ffffffffb1cc8a1b R08: 0000000000000000 R09: 0000000000000000 [ 67.704147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000[ 67.712132] R13: ffff9d4082c67f10 R14: ffff9d4082c67f10 R15: ffff99e7c3ae1000 [ 67.726327] FS: 00007f1815f08580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 67.735366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.741784] CR2: 00007f1815d21000 CR3: 000000010273c003 CR4: 00000000003706e0 [ 67.749755] Call Trace: [ 67.752487] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 [ 67.757480] direct_entry.cold+0x2c/0x38 [ 67.761885] full_proxy_write+0x53/0x80 [ 67.766193] vfs_write+0xe7/0x3a0 [ 67.769918] ksys_write+0x68/0xf0 [ 67.773619] do_syscall_64+0x30/0x40 [ 67.777635] entry_SYSCALL_64_after_hwframe+0x61/0xc6 9 # [ 59.860330] R13: ffff9d408273ff10 R14: ffff9d408273ff10 [ 67.783281] RIP: 0033:0x7f1815e30f33 [ 67.793486] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 67.814472] RSP: 002b:00007ffec8b000d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.822930] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1815e30f33 [ 67.830900] RDX: 0000000000000012 RSI: 00007f1815d21000 RDI: 0000000000000001 [ 67.838872] RBP: 00007f1815d21000 R08: 00007f1815d20010 R09: 0000000000000000 [ 67.846843] R10: 00007f1815f2b1c0 R11: 0000000000000246 R12: 0000000000000001 [ 67.854814] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 67.862790] irq event stamp: 0 R15: ffff99e7c286a000 # [ 59.868298] FS: 00007f0068527580(00[ 67.866223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 67.879434] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 67.888572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 67.897708] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 67.904710] ---[ end trace febdcaa53cdb3d31 ]--- [ 67.909865] lkdtm: Zero detected: saturated 00) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 59.877333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.883747] CR2: ffffffffb18da1b0 CR3: 0000000103d7c003 CR4: 00000000003706e0 # [ 59.891714] Call Trace: # [ 59.894441] direct_entry.cold+0x2c/0x38 # [ 59.898819] full_proxy_write+0x53/0x80 # [ 59.903099] vfs_write+0xe7/0x3a0 # [ 59.906794] ksys_write+0x68/0xf0 # [ 59.910492] do_syscall_64+0x30/0x40 # [ 59.914481] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.920121] RIP: 0033:0x7f006844ff33 # [ 59.924109] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.945080] RSP: 002b:00007ffddacf19b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.953535] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f006844ff33 # [ 59.961501] RDX: 0000000000000009 RSI: 00007f0068340000 RDI: 0000000000000001 # [ 59.969468] RBP: 00007f0068340000 R08: 00007f006833f010 R09: 0000000000000000 # [ 59.977436] R10: 00007f006854a1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 59.985403] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 59.993374] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev[ 68.057687] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED cros_usbpd_notify # [ 60.019830] CR2: ffffffffb18da1b0 # [ [ 68.070528] lkdtm: attempting bad refcount_inc() from saturated 60.029739] ---[ end trace febdcaa53cdb3d25 ]--- # [ 60.0348[ 68.083363] ------------[ cut here ]------------ 93] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.039280] Code: 89 ff e[ 68.094722] refcount_t: saturated; leaking memory. 8 de bc a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3[ 68.106319] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 6[ 68.121938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 6 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 80 03 74 02 # [ [ 68.154577] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.136-cip13 #1 60.060277] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ [ 68.169446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 60.066111] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000[ 68.182471] RIP: 0010:refcount_warn_saturate+0x51/0x110 000000000000 # [ 60.074079] RDX: 0000000000000000 RSI: ffff99[ 68.194523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 e83ac9bf70 RDI: ffffffffb18d9d30 # [ 60.082048] RBP: ffffffff[ 68.221723] RSP: 0018:ffff9d4082dd7e48 EFLAGS: 00010286 b1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 60.0[ 68.233774] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 90017] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 00000000[ 68.247966] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 00000004 # [ 60.097984] R13: ffff9d40814c7f10 R14: ffff9d4081[ 68.262155] RBP: ffffffffb1cc8a2d R08: 0000000000000000 R09: 0000000000000000 4c7f10 R15: ffff99e7c571d000 # [ 60.105952] FS: 00007f006852[ 68.276344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 7580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [[ 68.290533] R13: ffff9d4082dd7f10 R14: ffff9d4082dd7f10 R15: ffff99e7c3133000 60.114986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033[ 68.304721] FS: 00007f1d4b3be580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 60.121400] CR2: ffffffffb18da1b0 CR3: 0000000103d7c003 CR[ 68.319978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 4: 00000000003706e0 # WRITE_RO: saw 'call trace:': ok ok 39 se[ 68.332614] CR2: 00007f1d4b1d7000 CR3: 0000000103156005 CR4: 00000000003706e0 [ 68.346801] Call Trace: lftests: lkdtm: WRITE_RO.sh # selftests: lkdtm: WRITE_RO_AFTER_[ 68.349536] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 INIT.sh # Killed # [ 60.258379] lkdtm: Performing direct ent[ 68.361196] direct_entry.cold+0x2c/0x38 ry WRITE_RO_AFTER_INIT # [ 60.266448] lkdtm: attempting bad r[ 68.371796] full_proxy_write+0x53/0x80 o_after_init write at ffffffffb1d46328 # [ 60.274043] BUG: un[ 68.382297] vfs_write+0xe7/0x3a0 able to handle page fault for address: ffffffffb1d46328 # [ 6[ 68.392208] ksys_write+0x68/0xf0 0.281726] #PF: supervisor write access in kernel mode # [ 60.[ 68.402132] do_syscall_64+0x30/0x40 287559] #PF: error_code(0x0003) - permissions violation # [ 6[ 68.412338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0.293780] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 104c7106[ 68.424195] RIP: 0033:0x7f1d4b2e6f33 3 PTE 800000014e746061 # [ 60.302821] Oops: 0003 [#15] SMP PT[ 68.434401] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 I # [ 60.306809] CPU: 2 PID: 1986 Comm: cat Tainted: G D[ 68.461605] RSP: 002b:00007ffdb1ee8e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 W 5.10.136-cip13 #1 # [ 60.315448] Hardware name: Go[ 68.476282] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1d4b2e6f33 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 60.322279] RIP: 0010[ 68.490472] RDX: 0000000000000017 RSI: 00007f1d4b1d7000 RDI: 0000000000000001 :lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 60.328309] Code: 97 [ 68.504661] RBP: 00007f1d4b1d7000 R08: 00007f1d4b1d6010 R09: 0000000000000000 cc b1 e9 f3 9b fd ff 48 c7 c7 f8 97 cc b1 e8 e7 9b fd ff 48 8b 0[ 68.518850] R10: 00007f1d4b3e11c0 R11: 0000000000000246 R12: 0000000000000001 5 58 ad 9d 00 ba 34 12 cd ab 48 c7 c7 a0 97 cc b1 48 31 d0 <48> [ 68.533038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 89 05 42 ad 9d 00 e9 c5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 68.547233] irq event stamp: 0 # [ 60.355503] RSP: 0018:ffff9d40827afe60 EFLAGS: 00010202 # [ 68.556853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 60.361333] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: [ 68.570072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000000000000 # [ 60.369300] RDX: 00000000abcd1234 RSI: ff[ 68.585425] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ff99e83ad1bf70 RDI: ffffffffb1cc97a0 # [ 60.377289] RBP: ffff[ 68.600780] softirqs last disabled at (0): [<0000000000000000>] 0x0 ffffb1cc8996 R08: 0000000000000000 R09: 0000000000000000 # [ [ 68.613998] ---[ end trace febdcaa53cdb3d32 ]--- 60.385276] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000[ 68.625372] lkdtm: Saturation detected: still saturated 000000000014 # [ 60.393238] R13: ffff9d40827aff10 R14: ffff9d40827aff10 R15: ffff99e7c273e000 # [ 60.401205] FS: 00007f95ab02e580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 60.410242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.416657] CR2: ffffffffb1d46328 CR3: 0000000104014004 CR4: 00000000003706e0 # [ 60.424626] Call Trace: # [ 60.427354] direct_entry.cold+0x2c/0x38 # [ 60.431734] full_proxy_write+0x53/0x80 # [ 60.436015] vfs_write+0xe7/0x3a0 # [ 60.439712] ksys_write+0x68/0xf0 # [ 60.443410] do_syscall_64+0x30/0x40 # [ 60.447398] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.453037] RIP: 0033:0x7f95aaf56f33 # [ 60.457024] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.478001] RSP: 002b:00007fffa69e3448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.486455] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f95aaf56f33 # [ 60.494423] RDX: 0000000000000014 RSI: 00007f95aae47000 RDI: 0000000000000001 # [ 60.502391] RBP: 00007f95aae47000 R08: 00007f95aae46010 R09: 0000000000000000 # [ 60.510360] R10: 00007f95ab0511c0 R11: 0000000000000246 R12: 0000000000000001 # [ 6[ 68.764386] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 68.774758] lkdtm: attempting bad refcount_dec() from saturated [ 68.781379] ------------[ cut here ]------------ [ 68.786569] refcount_t: decrement hit 0; leaking memory. [ 68.792511] WARNING: CPU: 2 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 68.801972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 0.518328] R13: 0000000000000001 R14: 0000000000020000 R15: 00000[ 68.828438] CPU: 2 PID: 2423 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 68.843309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.850150] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 68.855986] Code: 40 44 c6 b1 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 68.876971] RSP: 0018:ffff9d4082e4fe48 EFLAGS: 00010286 [ 68.882808] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 68.890781] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 [ 68.898753] RBP: ffffffffb1cc8a44 R08: 0000000000000000 R09: 0000000000000000 [ 68.906724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 68.914696] R13: ffff9d4082e4ff10 R14: ffff9d4082e4ff10 R15: ffff99e7c3be9000 [ 68.922670] FS: 00007f6cbfa90580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 68.931711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.938131] CR2: 00007f6cbf8a9000 CR3: 0000000103d7c001 CR4: 00000000003706e0 [ 68.946103] Call Trace: [ 68.948835] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 68.954325] direct_entry.cold+0x2c/0x38 [ 68.958708] full_proxy_write+0x53/0x80 [ 68.963025] vfs_write+0xe7/0x3a0 [ 68.966756] ksys_write+0x68/0xf0 [ 68.970458] do_syscall_64+0x30/0x40 [ 68.974471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.980113] RIP: 0033:0x7f6cbf9b8f33 [ 68.984104] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.005087] RSP: 002b:00007ffe65ce1e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.013546] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6cbf9b8f33 [ 69.021516] RDX: 0000000000000017 RSI: 00007f6cbf8a9000 RDI: 0000000000000001 00000020000 # [ 60.526314] Modules linked in: fuse ip_tables [ 69.029492] RBP: 00007f6cbf8a9000 R08: 00007f6cbf8a8010 R09: 0000000000000000 cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buff[ 69.043678] R10: 00007f6cbfab31c0 R11: 0000000000000246 R12: 0000000000000001 er kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_[ 69.057877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.072078] irq event stamp: 0 lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal [ 69.075496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.088710] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.097871] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.107008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.114008] ---[ end trace febdcaa53cdb3d33 ]--- [ 69.119162] lkdtm: Saturation detected: still saturated cros_ec_dev cros_usbpd_notify # [ 60.552772] CR2: ffffffffb1d46328 # [ 60.562679] ---[ end trace febdcaa53cdb3d26 ]--- # [ 60.567833] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.572199] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 60.593178] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 60.599001] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.606969] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 60.614936] RBP: ffffffffb1d23c60 R08: 0000000000000001 R09: 0000000000000001 # [ 60.622902] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.630869] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99e7c571d000 # [ 60.638839] FS: 00007f95ab02e580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 60.647876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.654292] CR2: ffffffffb1d46328 CR3: 0000000104014004 CR4: 00000000003706e0 # [ 60.662276] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 60.672186] in_atomic(): 0, irqs_disabled(): 1, non[ 69.244566] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED _block: 0, pid: 1986, name: cat # [ 60.680638] INFO: lockdep [ 69.256290] lkdtm: attempting bad refcount_dec() from saturated [ 69.269138] ------------[ cut here ]------------ is turned off. # [ 60.685012] irq event stamp: 0 # [ 60.68[ 69.274304] refcount_t: saturated; leaking memory. [ 69.285891] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 8416] hardirqs last enabled at (0): [<0000000000000000>] 0x0 #[ 69.295329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.327964] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 69.336639] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.695412] hardirqs last disabled at (0): [ 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 [ 69.376515] RSP: 0018:ffff9d4082ee7e48 EFLAGS: 00010286 [ 69.382382] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 69.390378] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 0>] copy_process+0x640/0x1c80 # [ 60.704546] softirqs last e[ 69.398363] RBP: ffffffffb1cc8a5b R08: 0000000000000000 R09: 0000000000000000 [ 69.412543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 69.420515] R13: ffff9d4082ee7f10 R14: ffff9d4082ee7f10 R15: ffff99e7c4c1b000 [ 69.428486] FS: 00007f487c97f580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 69.437526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.443943] CR2: 00007f487c798000 CR3: 0000000103fc4006 CR4: 00000000003706e0 [ 69.451915] Call Trace: [ 69.454646] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 [ 69.460117] direct_entry.cold+0x2c/0x38 [ 69.464499] full_proxy_write+0x53/0x80 [ 69.468807] vfs_write+0xe7/0x3a0 [ 69.472507] ksys_write+0x68/0xf0 [ 69.476210] do_syscall_64+0x30/0x40 [ 69.480202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.485844] RIP: 0033:0x7f487c8a7f33 [ 69.489834] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.510819] RSP: 002b:00007ffd7ccb1bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.519287] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f487c8a7f33 nabled at (0): [] copy_process+0x640/0x1c80 #[ 69.527260] RDX: 0000000000000017 RSI: 00007f487c798000 RDI: 0000000000000001 [ 69.541443] RBP: 00007f487c798000 R08: 00007f487c797010 R09: 0000000000000000 [ 69.549415] R10: 00007f487c9a21c0 R11: 0000000000000246 R12: 0000000000000001 [ 69.557386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 69.565363] irq event stamp: 0 [ 69.568800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 69.575802] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.584940] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.594077] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 69.601076] ---[ end trace febdcaa53cdb3d34 ]--- [ 69.606234] lkdtm: Saturation detected: still saturated [ 60.713678] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 60.720675] CPU: 2 PID: 1986 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 60.729326] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.736128] Call Trace: # [ 60.738854] dump_stack+0x77/0x9b # [ 60.742543] ___might_sleep.cold+0xa6/0xb6 # [ 60.747114] exit_signals+0x1c/0x2e0 # [ 60.751104] do_exit+0xd5/0xb00 # [ 60.754605] ? ksys_write+0x68/0xf0 # [ 60.758497] rewind_stack_do_exit+0x17/0x20 # [ 60.763165] RIP: 0033:0x7f95aaf56f33 # [ 60.767142] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 60.788120] RSP: 002b:00007fffa69e3448 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 60.796573] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007f95aaf56f33 # [ 60.804541] RDX: 0000000000000014 RSI: 00007f95aae47000 RDI: 0000000000000001 # [ 60.812509] RBP: 00007f95aae47000 R08: 00007f95aae46010 R09: 0000000000000000 # [ 60.820478] R10: 00007f95ab0511c0 R11: 0000000000000246 R12: 0000000000000001 # [ 60.828446] 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 # [ 60.955592] lkdtm: Performing direct entry WRITE_KERN # [ 60.966412] lkdtm: attempting bad [ 69.759381] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 69.769030] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 69.776547] ------------[ cut here ]------------ [ 69.781726] refcount_t: saturated; leaking memory. [ 69.787106] WARNING: CPU: 3 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 69.796546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 69.822997] CPU: 3 PID: 2490 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 69.831682] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.838489] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 69.844329] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 [ 69.865344] RSP: 0018:ffff9d4082f7fe38 EFLAGS: 00010282 [ 69.871181] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 69.879154] RDX: ffff99e83adac660 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 [ 69.887128] RBP: ffffffffb1cc8688 R08: 0000000000000000 R09: 0000000000000000 [ 69.895131] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 6868880 byte write at ffffffffb136b4f0 # [ 60.980117] BUG: un[ 69.903105] R13: ffff9d4082f7ff10 R14: ffff9d4082f7ff10 R15: ffff99e7c3b1d000 [ 69.917296] FS: 00007f735946c580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 [ 69.926360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.932778] CR2: 00007f7359285000 CR3: 0000000103186005 CR4: 00000000003706e0 [ 69.940749] Call Trace: [ 69.943481] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 69.949642] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 69.956017] direct_entry.cold+0x2c/0x38 able to handle page fault for address: ffffffffb136b4f0 # [ 6[ 69.960404] full_proxy_write+0x53/0x80 [ 69.970892] vfs_write+0xe7/0x3a0 [ 69.974592] ksys_write+0x68/0xf0 [ 69.978295] do_syscall_64+0x30/0x40 [ 69.982329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.987971] RIP: 0033:0x7f7359394f33 [ 69.991961] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.012946] RSP: 002b:00007ffe1aff7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.021404] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7359394f33 [ 70.029374] RDX: 0000000000000020 RSI: 00007f7359285000 RDI: 0000000000000001 [ 70.037347] RBP: 00007f7359285000 R08: 00007f7359284010 R09: 0000000000000000 [ 70.045325] R10: 00007f735948f1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.053288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 0.993999] #PF: supervisor write access in kernel mode # [ 60.[ 70.061283] irq event stamp: 0 [ 70.070903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.077907] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.087045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.096183] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.103184] ---[ end trace febdcaa53cdb3d35 ]--- [ 70.108338] lkdtm: Saturation detected: still saturated 999834] #PF: error_code(0x0003) - permissions violation # [ 61.006056] PGD 14e829067 P4D 14e829067 PUD 14e82a063 PMD 14dc000e1 # [ 61.019365] Oops: 0003 [#16] SMP PTI # [ 61.023347] CPU: 1 PID: 2021 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 61.031997] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.038806] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 61.050173] Code: 53 48 c7 c3 f0 b4 36 b1 49 89 dc 48 89 da 49 81 ec 60 e5 cd b0 4c 89 e6 e8 9a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 60 e5 cd b0 a4 48 c7 c7 a0 97 cc b1 e8 7f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 61.071157] RSP: 0018:ffff9d408280fe50 EFLAGS: 00010246 # [ 61.076991] RAX: 000000000000003c RBX: ffffffffb136b4f0 RCX: 000000000068cf90 # [ 61.084958] RDX: 0000000000000000 RSI: ffffffffb0cde560 RDI: ffffffffb136b4f0 # [ 61.092927] RBP: ffffffffb1cc89aa R08: 0000000000000000 R09: 0000000000000000 # [ 61.100898] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068cf90 # [ 61.108867] R13: ffff9d408280ff10 R14: ffff9d408280ff10 R15: ffff99e7c4ac9000 # [ 61.116837] FS: 00007f14281fa580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 61.125876] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.132291] CR2: ffffffffb136b4f0 CR3: 0000000104c1e004 CR4: 00000000003706e0 # [ 61.140282] Call Trace: # [ 61.143012] direct_entry.cold+0x2c/0x38 # [ 61.147393] full_proxy_write+0x53/0x80 # [ 61.157886] vfs_write+0xe7/0x3a0 # [ 61.161586] ksys_write+0x68/0xf0 # [ 61.165287] do_syscall_64+0x30/0x40 # [ 61.169278] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.181132] R[ 70.273713] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED [ 70.283487] lkdtm: attempting bad refcount_add_not_zero() from saturated [ 70.291029] ------------[ cut here ]------------ IP: 0033:0x7f1428122f33 # [ 61.185112] Code: 8b 15 61 ef 0c 0[ 70.296196] refcount_t: saturated; leaking memory. [ 70.307781] WARNING: CPU: 2 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 70.317219] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.349858] CPU: 2 PID: 2522 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 70.358540] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.365348] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 70.371183] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 [ 70.392167] RSP: 0018:ffff9d4082ff7e38 EFLAGS: 00010282 [ 70.398003] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 70.405976] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 [ 70.413949] RBP: ffffffffb1cc86a8 R08: 0000000000000000 R09: 0000000000000000 [ 70.421920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 70.429892] R13: ffff9d4082ff7f10 R14: ffff9d4082ff7f10 R15: ffff99e7c4ccf000 [ 70.437864] FS: 00007f8de6e7b580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 70.446903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.453326] CR2: 00007f8de6c94000 CR3: 0000000103186005 CR4: 00000000003706e0 [ 70.461311] Call Trace: [ 70.464072] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 70.470207] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 [ 70.476554] direct_entry.cold+0x2c/0x38 [ 70.480937] full_proxy_write+0x53/0x80 [ 70.485269] vfs_write+0xe7/0x3a0 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 70.488979] ksys_write+0x68/0xf0 [ 70.498891] do_syscall_64+0x30/0x40 [ 70.502914] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 70.508557] RIP: 0033:0x7f8de6da3f33 [ 70.512548] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 70.533532] RSP: 002b:00007ffc37d9f7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.541992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8de6da3f33 [ 70.549964] RDX: 0000000000000020 RSI: 00007f8de6c94000 RDI: 0000000000000001 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.2060[ 70.557938] RBP: 00007f8de6c94000 R08: 00007f8de6c93010 R09: 0000000000000000 86] RSP: 002b:00007fff9e006f28 EFLAGS: 00000246 ORIG_RAX: 000000[ 70.572127] R10: 00007f8de6e9e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 70.586325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.594335] irq event stamp: 0 [ 70.597773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.604776] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.613935] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.623097] softirqs last disabled at (0): [<0000000000000000>] 0x0 0000000001 # [ 61.214542] RAX: ffffffffffffffda RBX: 00000000[ 70.630113] ---[ end trace febdcaa53cdb3d36 ]--- [ 70.641474] lkdtm: Saturation detected: still saturated 0000000b RCX: 00007f1428122f33 # [ 61.222511] RDX: 000000000000000b RSI: 00007f1428013000 RDI: 0000000000000001 # [ 61.230479] RBP: 00007f1428013000 R08: 00007f1428012010 R09: 0000000000000000 # [ 61.238449] R10: 00007f142821d1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.246418] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.254393] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.287032] CR2: ffffffffb136b4f0 # [ 61.290729] ---[ end trace febdcaa53cdb3d27 ]--- # [ 61.295884] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.300276] Code: 89 ff e8 de bc 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 80 03 74 02 # [ 61.321279] RSP: 0018:ffff9d40814c7e60 EFLAGS: 00010286 # [ 61.327113] RAX: ffffffffb0cde190 RBX: 0000000000000001 RCX: 0000000000000000 # [ 61.335081] RDX: 0000000000000000 RSI: ffff99e83ac9bf70 RDI: ffffffffb18d9d30 # [ 61.343048] RBP: ffffffffb1d23c60 R08: 0000[ 70.771060] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 70.779362] lkdtm: attempting bad refcount_dec_and_test() from saturated [ 70.786859] ------------[ cut here ]------------ [ 70.792024] refcount_t: underflow; use-after-free. [ 70.797390] WARNING: CPU: 2 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 70.806826] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 000000000001 R09: 0000000000000001 # [ 61.351017] R10: 000000[ 70.833290] CPU: 2 PID: 2557 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 70.848147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 00ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 61[ 70.854957] RIP: 0010:refcount_warn_saturate+0xba/0x110 .358986] R13: ffff9d40814c7f10 R14: ffff9d40814c7f10 R15: ffff99[ 70.867009] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 70.894214] RSP: 0018:ffff9d40830afe40 EFLAGS: 00010286 [ 70.900084] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 70.908113] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 e7c571d000 # [ 61.366955] FS: 00007f14281fa580(0000) GS:ffff[ 70.916102] RBP: ffffffffb1cc86c8 R08: 0000000000000000 R09: 0000000000000000 [ 70.930283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 99e83ac80000(0000) knlGS:0000000000000000 # [ 61.375993] CS: [ 70.938265] R13: ffff9d40830aff10 R14: ffff9d40830aff10 R15: ffff99e7c4d8f000 [ 70.952450] FS: 00007f274e97b580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 70.961523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.967944] CR2: 00007f274e794000 CR3: 00000001057d6001 CR4: 00000000003706e0 [ 70.975916] Call Trace: [ 70.978650] __refcount_sub_and_test.constprop.0+0x3c/0x50 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.382408] [ 70.984809] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 70.997340] direct_entry.cold+0x2c/0x38 [ 71.001754] full_proxy_write+0x53/0x80 [ 71.006073] vfs_write+0xe7/0x3a0 [ 71.009805] ksys_write+0x68/0xf0 [ 71.013542] do_syscall_64+0x30/0x40 [ 71.017565] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.023211] RIP: 0033:0x7f274e8a3f33 [ 71.027234] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.048222] RSP: 002b:00007ffc005a68b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.056711] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f274e8a3f33 [ 71.064686] RDX: 0000000000000020 RSI: 00007f274e794000 RDI: 0000000000000001 [ 71.072660] RBP: 00007f274e794000 R08: 00007f274e793010 R09: 0000000000000000 [ 71.080634] R10: 00007f274e99e1c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.088608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.096607] irq event stamp: 0 CR2: ffffffffb136b4f0 CR3: 0000000104c1e004 CR4: 00000000003706e[ 71.100027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.113240] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0 # WRITE_KERN: saw 'call trace:': ok ok 41 selftests: lkdtm: [ 71.122400] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.137747] softirqs last disabled at (0): [<0000000000000000>] 0x0 WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # [[ 71.144752] ---[ end trace febdcaa53cdb3d37 ]--- [ 71.156124] lkdtm: Saturation detected: still saturated 61.503945] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW # [ 61.515199] lkdtm: attempting good refcount_inc() without overflow # [ 61.528338] lkdtm: attempting bad refcount_inc() overflow # [ 61.540611] ------------[ cut here ]------------ # [ 61.551987] refcount_t: saturated; leaking memory. # [ 61.563580] WARNING: CPU: 0 PID: 2056 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 61.579193] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.611836] CPU: 0 PID: 2056 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 61.626699] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.639730] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 61.651768] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 # [ 61.678994] RSP: 0018:ffff9d4082877e48 EFLAGS: 00010286 # [ 61.691080] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 # [ 61.705249] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ 61.719496] RBP: ffffffffb1cc89b5 R08: 0[ 71.296414] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED [ 71.306453] lkdtm: attempting bad refcount_sub_and_test() from saturated [ 71.313947] ------------[ cut here ]------------ [ 71.319114] refcount_t: underflow; use-after-free. [ 71.324499] WARNING: CPU: 2 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 000000000000000 R09: 0000000000000000 # [ 61.733696] R10: 000[ 71.333938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 71.366571] CPU: 2 PID: 2592 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 71.375276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 71.382086] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 71.387925] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 [ 71.408944] RSP: 0018:ffff9d408312fe40 EFLAGS: 00010286 [ 71.414811] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 [ 71.422784] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 00000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ [ 71.430760] RBP: ffffffffb1cc86e8 R08: 0000000000000000 R09: 0000000000000000 [ 71.444947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 71.452918] R13: ffff9d408312ff10 R14: ffff9d408312ff10 R15: ffff99e7c4f85000 [ 71.460892] FS: 00007f2a78da1580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 [ 71.469932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.476350] CR2: 00007f2a78bba000 CR3: 0000000103186001 CR4: 00000000003706e0 [ 71.484346] Call Trace: 61.747884] R13: ffff9d4082877f10 R14: ffff9d4082877f10 R15: fff[ 71.487090] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 71.499422] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 [ 71.505768] direct_entry.cold+0x2c/0x38 [ 71.510151] full_proxy_write+0x53/0x80 [ 71.514435] vfs_write+0xe7/0x3a0 [ 71.518159] ksys_write+0x68/0xf0 [ 71.521860] do_syscall_64+0x30/0x40 [ 71.525877] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 71.531518] RIP: 0033:0x7f2a78cc9f33 [ 71.535508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 71.556492] RSP: 002b:00007ffdd64a4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.564951] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2a78cc9f33 [ 71.572921] RDX: 0000000000000020 RSI: 00007f2a78bba000 RDI: 0000000000000001 [ 71.580891] RBP: 00007f2a78bba000 R08: 00007f2a78bb9010 R09: 0000000000000000 [ 71.588863] R10: 00007f2a78dc41c0 R11: 0000000000000246 R12: 0000000000000001 [ 71.596833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 71.604809] irq event stamp: 0 f99e7c2876000 # [ 61.762054] FS: 00007f422a4f4580(0000) GS:f[ 71.608244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 71.621454] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 71.630592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 71.639729] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 71.646729] ---[ end trace febdcaa53cdb3d38 ]--- [ 71.651886] lkdtm: Saturation detected: still saturated fff99e83ac00000(0000) knlGS:0000000000000000 # [ 61.777346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 61.789970] CR2: 00007f422a30d000 CR3: 0000000104d96003 CR4: 00000000003706f0 # [ 61.804198] Call Trace: # [ 61.813141] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 61.824714] direct_entry.cold+0x2c/0x38 # [ 61.835309] full_proxy_write+0x53/0x80 # [ 61.845863] vfs_write+0xe7/0x3a0 # [ 61.855748] ksys_write+0x68/0xf0 # [ 61.865724] do_syscall_64+0x30/0x40 # [ 61.875901] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 61.887821] RIP: 0033:0x7f422a41cf33 # [ 61.897995] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.925274] RSP: 002b:00007ffc0aa2ab18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.939915] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f422a41cf33 # [ 61.954119] RDX: 0000000000000016 RSI: 00007f422a30d000 RDI: 0000000000000001 # [ 61.968276] RBP: 00007f422a30d000 R08: 00007f422a30c010 R09: 0000000000000000 # [ 61.982493] R10: 00007f422a5171c0 R11: 0000000000000246 R12: 0000000000000001 # [ 61.996655] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.010864] irq event stamp: 0 # [ 62.020469] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.033705] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.049033] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.064391] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.077597] ---[ end trace febdcaa53cdb3d28 ]--- # [ 62.088978] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLOW: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_OVERFLOW.sh # sel[ 71.840012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO [ 71.850939] lkdtm: attempting good copy_to_user of correct size [ 71.857589] lkdtm: attempting bad copy_to_user of too large size ftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ 62.224442] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW # [ 62.231243] lkdtm: attempting good refcount_add() without overflow # [ 62.244363] lkdtm: attempting bad refcount_add() overflow # [ 62.256603] ------------[ cut here ]------------ # [ 62.261760] refcount_t: saturated; leaking memory. # [ 62.273349] WARNING: CPU: 1 PID: 2088 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 62.288966] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.321607] CPU: 1 PID: 2088 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 62.336474] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.343284] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 62.355339] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 # [ 62.382537] RSP: 0018:ffff9d40828efe48 EFLAGS: 00010286 # [ 62.394591] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 62.408778] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 62.422966] RBP: ffffffffb1cc89cb R08: 0000000000000000 R09: 0000000000000000 # [ 62.437153] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 62.451340] R13: fff[ 72.016156] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 72.026615] lkdtm: attempting good copy_from_user of correct size [ 72.033443] lkdtm: attempting bad copy_from_user of too large size f9d40828eff10 R14: ffff9d40828eff10 R15: ffff99e7c569e000 # [ 62.465554] FS: 00007f0721a8c580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 62.480789] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.493422] CR2: 00007f07218a5000 CR3: 0000000103172001 CR4: 00000000003706e0 # [ 62.507612] Call Trace: # [ 62.510363] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 # [ 62.521905] direct_entry.cold+0x2c/0x38 # [ 62.532500] full_proxy_write+0x53/0x80 # [ 62.542996] vfs_write+0xe7/0x3a0 # [ 62.552909] ksys_write+0x68/0xf0 # [ 62.562825] do_syscall_64+0x30/0x40 # [ 62.573028] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.584884] RIP: 0033:0x7f07219b4f33 # [ 62.595091] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.622291] RSP: 002b:00007ffcf256fc98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.636963] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f07219b4f33 # [ 62.644936] RDX: 0000000000000016 RSI: 00007f07218a5000 RDI: 0000000000000001 # [ 62.659116] RBP: 00007f07218a5000 R08: 00007f07218a4010 R09: 0000000000000000 # [ 62.667091] R10: 00007f0721aaf1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 62.681278] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.695471] irq event stamp:[ 72.182142] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 72.190565] lkdtm: attempting good copy_to_user inside whitelist 0 # [ 62.705089] hardirqs last enabled at (0): [<0000000000[ 72.197291] lkdtm: attempting bad copy_to_user outside whitelist 000000>] 0x0 # [ 62.718308] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.733662] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.742801] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.756014] ---[ end trace febdcaa53cdb3d29 ]--- # [ 62.761173] 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 # [ 62.877241] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW # [ 62.885714] lkdtm: attempting bad refcount_inc_not_zero() overflow # [ 62.892647] ------------[ cut here ]------------ # [ 62.903990] refcount_t: saturated; leaking memory. # [ 62.915585] WARNING: CPU: 1 PID: 2120 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 62.931200] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.963861] CPU: 1 PID: 2120 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 62.[ 72.329355] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM [ 72.341971] lkdtm: attempting good copy_from_user inside whitelist [ 72.348905] lkdtm: attempting bad copy_from_user outside whitelist 978713] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.991737] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.003787] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 # [ 63.030989] RSP: 0018:ffff9d408294fe38 EFLAGS: 00010282 # [ 63.043042] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.051014] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 63.065196] RBP: ffffffffb1cc8608 R08: 0000000000000000 R09: 0000000000000000 # [ 63.073170] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 63.087353] R13: ffff9d408294ff10 R14: ffff9d408294ff10 R15: ffff99e7c2733000 # [ 63.095329] FS: 00007fa690343580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 63.110577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.116999] CR2: 00007fa69015c000 CR3: 0000000103828002 CR4: 00000000003706e0 # [ 63.131183] Call Trace: # [ 63.133918] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.146270] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.158717] direct_entry.cold+0x2c/0x38 # [ 63.169327] full_proxy_write+0x53/0x80 # [ 63.179825] vfs_write+0xe7/0x3a0 # [ 63.189741] ksys_write+0x68/0xf0 # [ 63.199657] do_syscall_64+0x30/0x40 # [ 63.209863] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.221722] RIP: 0033:[ 72.500056] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO [ 72.511892] lkdtm: good_stack: ffff9d40834dfe20-ffff9d40834dfe40 [ 72.518638] lkdtm: bad_stack : ffff9d40834dfda8-ffff9d40834dfdc8 [ 72.525385] lkdtm: attempting good copy_to_user of local stack [ 72.531932] lkdtm: attempting bad copy_to_user of distant stack 0x7fa69026bf33 # [ 63.231928] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.252914] RSP: 002b:00007ffc68eb44d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.267584] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fa69026bf33 # [ 63.281772] RDX: 000000000000001f RSI: 00007fa69015c000 RDI: 0000000000000001 # [ 63.295961] RBP: 00007fa69015c000 R08: 00007fa69015b010 R09: 0000000000000000 # [ 63.310155] R10: 00007fa6903661c0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.324342] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.338534] irq event stamp: 0 # [ 63.348153] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.361371] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.376725] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.392081] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 63.405301] ---[ end trace febdcaa53cdb3d2a ]--- # [ 63.416673] lkdtm: Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh[ 72.664099] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # [ 63[ 72.676239] lkdtm: good_stack: ffff9d40835b7e20-ffff9d40835b7e40 .530512] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OV[ 72.689167] lkdtm: bad_stack : ffff9d40835b7da8-ffff9d40835b7dc8 ERFLOW # [ 63.541198] lkdtm: attempting bad refcount_add_not_[ 72.702123] lkdtm: attempting good copy_from_user of local stack zero() overflow # [ 63.554348] ------------[ cut here ]------[ 72.715023] lkdtm: attempting bad copy_from_user of distant stack ------ # [ 63.565692] refcount_t: saturated; leaking memory. # [ 63.577269] WARNING: CPU: 1 PID: 2152 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 63.592901] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.625535] CPU: 1 PID: 2152 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 63.634480] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.647500] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 63.654792] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 # [ 63.675970] RSP: 0018:ffff9d40829f7e38 EFLAGS: 00010282 # [ 63.681831] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 63.689805] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 63.703986] RBP: ffffffffb1cc8628 R08: 0000000000000000 R09: 0000000000000000 # [ 63.712248] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f #[ 72.846821] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND [ 72.859094] lkdtm: good_stack: ffff9d4083627e20-ffff9d4083627e40 [ 72.865813] lkdtm: bad_stack : ffff9d4083627ff8-ffff9d4083628018 [ 63.720244] R13: ffff9d40829f7f10 R14: ffff9d40829f7f10 R15:[ 72.872539] lkdtm: attempting good copy_to_user of local stack ffff99e7c28e9000 # [ 63.728220] FS: 00007f001feee580(0000) [ 72.885289] lkdtm: attempting bad copy_to_user of distant stack [ 72.898137] lkdtm: copy_to_user failed, but lacked Oops GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 63.737285] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.749913] CR2: 00007f001fd07000 CR3: 0000000104c0a005 CR4: 00000000003706e0 # [ 63.757886] Call Trace: # [ 63.766827] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 63.779165] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 63.785414] direct_entry.cold+0x2c/0x38 # [ 63.796004] full_proxy_write+0x53/0x80 # [ 63.804753] vfs_write+0xe7/0x3a0 # [ 63.808477] ksys_write+0x68/0xf0 # [ 63.818392] do_syscall_64+0x30/0x40 # [ 63.828594] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.840452] RIP: 0033:0x7f001fe16f33 # [ 63.850681] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.877876] RSP: 002b:00007ffc141a57e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.886337] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f001fe16f33 # [ 63.900523] RDX: 000000000000001f RSI: 00007f001fd07000 RDI: 0000000000000001 # [ 63.914709] RBP: 00007f001fd07000 R08: 00007f001fd06010 R09: 0000000000000000 # [ 63.922682] R10: 00007f001ff111c0 [ 73.024622] lkdtm: Performing direct entry USERCOPY_KERNEL [ 73.034535] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb18da1d0 [ 73.043237] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb06e2dc0 R11: 0000000000000246 R12: 0000000000000001 # [ 63.930656] R1[ 73.051608] lkdtm: FAIL: survived bad copy_to_user() 3: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.944854] irq event stamp: 0 # [ 63.954473] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 63.967687] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 63.980124] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 63.989268] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.002483] ---[ end trace febdcaa53cdb3d2b ]--- # [ 64.010454] lkdtm: Overflow detected: saturated # REFCOUNT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_DEC_ZERO.sh # [ 64.192316] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO # [ 64.202437] lkdtm: attempting good refcount_dec() # [ 64.213938] lkdtm: attempting bad refcount_dec() to zero # [ 64.226067] ------------[ cut here ]------------ # [ 64.237418] refcount_t: decrement hit 0; leaking memory. # [ 64.249610] WARNING: CPU: 0 PID: 2184 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.265262] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.297915] CPU: [ 73.199830] lkdtm: Performing direct entry STACKLEAK_ERASING 0 PID: 2184 Comm: cat Tainted: G D W 5.10.136-cip13[ 73.206513] lkdtm: checking unused part of the thread stack (15928 bytes)... #1 # [ 64.312803] Hardware name: Google Rammus/Rammus, BIOS [ 73.220592] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) 09/04/2020 # [ 64.325845] RIP: 0010:refcount_warn_saturate+0[ 73.234574] lkdtm: FAIL: the thread stack is NOT properly erased xfb/0x110 # [ 64.337901] Code: 40 44 c6 b1 c6 05 2a 53 74 01 [ 73.247520] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.136-cip13 #1 [ 73.262342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 73.269145] Call Trace: [ 73.271874] dump_stack+0x77/0x9b [ 73.275569] lkdtm_STACKLEAK_ERASING+0x116/0x144 [ 73.280723] direct_entry.cold+0x2c/0x38 [ 73.285102] full_proxy_write+0x53/0x80 [ 73.289388] vfs_write+0xe7/0x3a0 [ 73.293092] ksys_write+0x68/0xf0 [ 73.296791] do_syscall_64+0x30/0x40 [ 73.300785] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.306424] RIP: 0033:0x7f9f05579f33 [ 73.310412] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.331393] RSP: 002b:00007fff6026ccc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.339840] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f05579f33 [ 73.347809] RDX: 0000000000000012 RSI: 00007f9f0546a000 RDI: 0000000000000001 [ 73.355778] RBP: 00007f9f0546a000 R08: 00007f9f05469010 R09: 0000000000000000 [ 73.363747] R10: 00007f9f056741c0 R11: 0000000000000246 R12: 0000000000000001 [ 73.371716] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 64.365062] RSP: 0018:ffff9d4082a97e48 EFLAGS: 00010286 # [ 64.377151] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 64.391326] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ 64.405553] RBP: ffffffffb1cc89e1 R08: 0000000000000000 R09: 0000000000000000 # [ 64.419726] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 64.433950] R13: ffff9d4082a97f10 R14: ffff9d4082a97f10 R15: ffff99e7c3d7c000 # [ 64.448101] FS: 00007f23f7059580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 64.463355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.476026] CR2: 00007f23f6e72000 CR3: 0000000103b0a002 CR4: 00000000003706f0 # [ 64.490199] Call Trace: # [ 64.499177] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 64.510403] direct_entry.cold+0x2c/0x38 # [ 64.520963] full_proxy_write+0x53/0x80 # [ 64.531496] vfs_write+0xe7/0x3a0 # [ 64.541430] ksys_write+0x68/0xf0 # [ 64.551338] do_syscall_64+0x30/0x40 # [ 64.561525] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 64.573392] RIP: 0033:[ 73.499164] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 73.510347] lkdtm: Calling matched prototype ... [ 73.515512] lkdtm: Calling mismatched prototype ... 0x7f23f6f81f33 # [ 64.583592] Code: 8b 15 61 ef 0c 00 f7 d8 6[ 73.520971] lkdtm: Fail: survived mismatched prototype function call! 4 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.610809] RSP: 002b:00007ffc6aab56f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 64.625461] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f23f6f81f33 # [ 64.639657] RDX: 0000000000000012 RSI: 00007f23f6e72000 RDI: 0000000000000001 # [ 64.653832] RBP: 00007f23f6e72000 R08: 00007f23f6e71010 R09: 0000000000000000 # [ 64.668044] R10: 00007f23f707c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 64.682216] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 64.696428] irq event stamp: 0 # [ 64.706028] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 64.719269] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.734601] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 64.749980] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 64.763179] ---[ end trace febdcaa53cdb3d2c ]--- # [ 64.774571] 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 # [ 64.927403] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 64.935364] lkdtm: attempting bad refcount_dec() below zero # [ 64.947820] ------------[ cut here ]------------ # [ 64.959169] refcount_t: decrement hit 0; leaking memory. # [ 64.965129] WARNING: CPU: 1 PID: 2219 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 64.980738] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.013378] CPU: 1 PID: 2219 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 65.028244] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.041282] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 65.053334] Code: 40 44 c6 b1 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 65.080534] RSP: 0018:ffff9d4082affe48 EFLAGS: 00010286 # [ 65.092587] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 65.106774] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 65.120986] RBP: ffffffffb1cc89f3 R08: 0000000000000000 R09: 0000000000000000 # [ 65.135155] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 65.149341] R13: ffff9d4082afff10 R14: ffff9d4082afff10 R15: ffff99e7c3d25000 # [ 65.163531] FS: 00007f873b59a580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 65.178788] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.191422] CR2: 00007f873b3b3000 CR3: 0000000103d60005 CR4: 00000000003706e0 # [ 65.205611] Call Trace: # [ 65.214561] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 65.226125] direct_entry.cold+0x2c/0x38 # [ 65.236723] full_proxy_write+0x53/0x80 # [ 65.247221] vfs_write+0xe7/0x3a0 # [ 65.257136] ksys_write+0x68/0xf0 # [ 65.267054] do_syscall_64+0x30/0x40 # [ 65.277284] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.289141] RIP: 0033:0x7f873b4c2f33 # [ 65.299348] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.326550] RSP: 002b:00007fff03c59be8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.341225] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f873b4c2f33 # [ 65.355416] RDX: 0000000000000016 RSI: 00007f873b3b3000 RDI: 0000000000000001 # [ 65.369608] RBP: 00007f873b3b3000 R08: 00007f873b3b2010 R09: 0000000000000000 # [ 65.383799] R10: 00007f873b5bd1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 65.397988] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.412185] irq event stamp: 0 # [ 65.421804] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.435026] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.450382] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.465738] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.478957] ---[ end trace febdcaa53cdb3d2d ]--- # [ 65.490329] 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 # [ 65.620118] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 65.633627] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 65.646965] ------------[ cut here ]------------ # [ 65.658333] refcount_t: underflow; use-after-free. # [ 65.669939] WARNING: CPU: 0 PID: 2254 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 65.685546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.718207] CPU: 0 PID: 2254 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 65.733058] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.746132] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 65.758138] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 65.785391] RSP: 0018:ffff9d4082b8fe40 EFLAGS: 00010286 # [ 65.797454] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 65.811699] RDX: ffff99e83ac2c660 RSI: ffff99e83ac1bf70 RDI: ffff99e83ac1bf70 # [ 65.825865] RBP: ffffffffb1cc8648 R08: 0000000000000000 R09: 0000000000000000 # [ 65.840084] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 65.854268] R13: ffff9d4082b8ff10 R14: ffff9d4082b8ff10 R15: ffff99e7c4612000 # [ 65.868483] FS: 00007f5debd06580(0000) GS:ffff99e83ac00000(0000) knlGS:0000000000000000 # [ 65.883742] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 65.896410] CR2: 00007f5debb1f000 CR3: 000000010556a006 CR4: 00000000003706f0 # [ 65.910587] Call Trace: # [ 65.919551] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 65.931888] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 65.944402] direct_entry.cold+0x2c/0x38 # [ 65.955001] full_proxy_write+0x53/0x80 # [ 65.965526] vfs_write+0xe7/0x3a0 # [ 65.975440] ksys_write+0x68/0xf0 # [ 65.985399] do_syscall_64+0x30/0x40 # [ 65.995614] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.007503] RIP: 0033:0x7f5debc2ef33 # [ 66.017705] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.044944] RSP: 002b:00007ffd7eeb05b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.059608] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f5debc2ef33 # [ 66.073856] RDX: 000000000000001f RSI: 00007f5debb1f000 RDI: 0000000000000001 # [ 66.088017] RBP: 00007f5debb1f000 R08: 00007f5debb1e010 R09: 0000000000000000 # [ 66.102237] R10: 00007f5debd291c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.116395] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.130590] irq event stamp: 0 # [ 66.140207] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.153432] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.168799] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.184138] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.191148] ---[ end trace febdcaa53cdb3d2e ]--- # [ 66.202569] lkdtm: Negative detected: saturated # REFCOUNT_DEC_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 48 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # [ 66.323757] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 66.333306] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 66.346612] ------------[ cut here ]------------ # [ 66.357977] refcount_t: underflow; use-after-free. # [ 66.369576] WARNING: CPU: 1 PID: 2289 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 66.385186] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.417825] CPU: 1 PID: 2289 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 66.432690] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.445712] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 66.457764] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 66.484966] RSP: 0018:ffff9d4082b37e40 EFLAGS: 00010286 # [ 66.497020] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 66.511210] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 66.525398] RBP: ffffffffb1cc8668 R08: 0000000000000000 R09: 0000000000000000 # [ 66.539590] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 66.553778] R13: ffff9d4082b37f10 R14: ffff9d4082b37f10 R15: ffff99e7c3a51000 # [ 66.567966] FS: 00007f7e68e09580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 66.583231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.595866] CR2: 00007f7e68c22000 CR3: 000000010556a004 CR4: 00000000003706e0 # [ 66.610049] Call Trace: # [ 66.618998] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 66.631340] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 66.643783] direct_entry.cold+0x2c/0x38 # [ 66.654377] full_proxy_write+0x53/0x80 # [ 66.664876] vfs_write+0xe7/0x3a0 # [ 66.674789] ksys_write+0x68/0xf0 # [ 66.684705] do_syscall_64+0x30/0x40 # [ 66.694910] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.706769] RIP: 0033:0x7f7e68d31f33 # [ 66.716974] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.744177] RSP: 002b:00007ffe32806508 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 66.758854] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7e68d31f33 # [ 66.773044] RDX: 000000000000001f RSI: 00007f7e68c22000 RDI: 0000000000000001 # [ 66.787233] RBP: 00007f7e68c22000 R08: 00007f7e68c21010 R09: 0000000000000000 # [ 66.801422] R10: 00007f7e68e2c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 66.815609] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.829803] irq event stamp: 0 # [ 66.839423] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.852642] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.867997] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.883354] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.896572] ---[ end trace febdcaa53cdb3d2f ]--- # [ 66.907945] lkdtm: Negative detected: saturated # REFCOUNT_SUB_AND_TEST_NEGATIVE: saw 'Negative detected: saturated': ok ok 49 selftests: lkdtm: REFCOUNT_SUB_AND_TEST_NEGATIVE.sh # selftests: lkdtm: REFCOUNT_INC_ZERO.sh # [ 67.032294] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 67.043657] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 67.050760] lkdtm: Good: zero detected # [ 67.054981] lkdtm: Correctly stayed at zero # [ 67.059681] lkdtm: attempting bad refcount_inc() from zero # [ 67.065811] ------------[ cut here ]------------ # [ 67.077185] refcount_t: addition on 0; use-after-free. # [ 67.089164] WARNING: CPU: 2 PID: 2321 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.098603] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.131243] CPU: 2 PID: 2321 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 67.139920] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.146729] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.152566] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 b1 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 # [ 67.173553] RSP: 0018:ffff9d4082c97e48 EFLAGS: 00010286 # [ 67.179389] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 # [ 67.187363] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 67.195335] RBP: ffffffffb1cc8a09 R08: 0000000000000000 R09: 0000000000000000 # [ 67.203321] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.211293] R13: ffff9d4082c97f10 R14: ffff9d4082c97f10 R15: ffff99e7c13f5000 # [ 67.219281] FS: 00007f6359159580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 67.228324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.240951] CR2: 00007f6358f72000 CR3: 000000010314e004 CR4: 00000000003706e0 # [ 67.248924] Call Trace: # [ 67.251656] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 67.256642] direct_entry.cold+0x2c/0x38 # [ 67.261047] full_proxy_write+0x53/0x80 # [ 67.265352] vfs_write+0xe7/0x3a0 # [ 67.269076] ksys_write+0x68/0xf0 # [ 67.272778] do_syscall_64+0x30/0x40 # [ 67.276793] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.282435] RIP: 0033:0x7f6359081f33 # [ 67.286427] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.307414] RSP: 002b:00007ffd56f3f068 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.315871] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f6359081f33 # [ 67.323843] RDX: 0000000000000012 RSI: 00007f6358f72000 RDI: 0000000000000001 # [ 67.331815] RBP: 00007f6358f72000 R08: 00007f6358f71010 R09: 0000000000000000 # [ 67.339788] R10: 00007f635917c1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.353976] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.368169] irq event stamp: 0 # [ 67.371607] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.378609] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.387773] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.396910] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.403933] ---[ end trace febdcaa53cdb3d30 ]--- # [ 67.409103] lkdtm: Zero detected: saturated # REFCOUNT_INC_ZERO: saw 'call trace:': ok ok 50 selftests: lkdtm: REFCOUNT_INC_ZERO.sh # selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # [ 67.534824] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 67.544448] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 67.551568] lkdtm: Good: zero detected # [ 67.555770] lkdtm: Correctly stayed at zero # [ 67.560453] lkdtm: attempting bad refcount_add() from zero # [ 67.566589] ------------[ cut here ]------------ # [ 67.571744] refcount_t: addition on 0; use-after-free. # [ 67.577492] WARNING: CPU: 3 PID: 2353 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 67.586927] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.613393] CPU: 3 PID: 2353 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 67.628271] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.635089] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 67.647139] Code: 01 01 e8 67 62 98 00 0f 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 b1 c6 05 9a 53 74 01 01 e8 44 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 # [ 67.674341] RSP: 0018:ffff9d4082c67e48 EFLAGS: 00010286 # [ 67.680209] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 67.688181] RDX: ffff99e83adac660 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 # [ 67.696153] RBP: ffffffffb1cc8a1b R08: 0000000000000000 R09: 0000000000000000 # [ 67.704147] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 67.712132] R13: ffff9d4082c67f10 R14: ffff9d4082c67f10 R15: ffff99e7c3ae1000 # [ 67.726327] FS: 00007f1815f08580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 67.735366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.741784] CR2: 00007f1815d21000 CR3: 000000010273c003 CR4: 00000000003706e0 # [ 67.749755] Call Trace: # [ 67.752487] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 67.757480] direct_entry.cold+0x2c/0x38 # [ 67.761885] full_proxy_write+0x53/0x80 # [ 67.766193] vfs_write+0xe7/0x3a0 # [ 67.769918] ksys_write+0x68/0xf0 # [ 67.773619] do_syscall_64+0x30/0x40 # [ 67.777635] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.783281] RIP: 0033:0x7f1815e30f33 # [ 67.793486] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.814472] RSP: 002b:00007ffec8b000d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.822930] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f1815e30f33 # [ 67.830900] RDX: 0000000000000012 RSI: 00007f1815d21000 RDI: 0000000000000001 # [ 67.838872] RBP: 00007f1815d21000 R08: 00007f1815d20010 R09: 0000000000000000 # [ 67.846843] R10: 00007f1815f2b1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 67.854814] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.862790] irq event stamp: 0 # [ 67.866223] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.879434] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.888572] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.897708] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.904710] ---[ end trace febdcaa53cdb3d31 ]--- # [ 67.909865] lkdtm: Zero detected: saturated # REFCOUNT_ADD_ZERO: saw 'call trace:': ok ok 51 selftests: lkdtm: REFCOUNT_ADD_ZERO.sh # selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # [ 68.057687] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 68.070528] lkdtm: attempting bad refcount_inc() from saturated # [ 68.083363] ------------[ cut here ]------------ # [ 68.094722] refcount_t: saturated; leaking memory. # [ 68.106319] WARNING: CPU: 1 PID: 2388 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 68.121938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.154577] CPU: 1 PID: 2388 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 68.169446] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.182471] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 68.194523] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 # [ 68.221723] RSP: 0018:ffff9d4082dd7e48 EFLAGS: 00010286 # [ 68.233774] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 68.247966] RDX: ffff99e83acac660 RSI: ffff99e83ac9bf70 RDI: ffff99e83ac9bf70 # [ 68.262155] RBP: ffffffffb1cc8a2d R08: 0000000000000000 R09: 0000000000000000 # [ 68.276344] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.290533] R13: ffff9d4082dd7f10 R14: ffff9d4082dd7f10 R15: ffff99e7c3133000 # [ 68.304721] FS: 00007f1d4b3be580(0000) GS:ffff99e83ac80000(0000) knlGS:0000000000000000 # [ 68.319978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.332614] CR2: 00007f1d4b1d7000 CR3: 0000000103156005 CR4: 00000000003706e0 # [ 68.346801] Call Trace: # [ 68.349536] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 68.361196] direct_entry.cold+0x2c/0x38 # [ 68.371796] full_proxy_write+0x53/0x80 # [ 68.382297] vfs_write+0xe7/0x3a0 # [ 68.392208] ksys_write+0x68/0xf0 # [ 68.402132] do_syscall_64+0x30/0x40 # [ 68.412338] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.424195] RIP: 0033:0x7f1d4b2e6f33 # [ 68.434401] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.461605] RSP: 002b:00007ffdb1ee8e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.476282] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1d4b2e6f33 # [ 68.490472] RDX: 0000000000000017 RSI: 00007f1d4b1d7000 RDI: 0000000000000001 # [ 68.504661] RBP: 00007f1d4b1d7000 R08: 00007f1d4b1d6010 R09: 0000000000000000 # [ 68.518850] R10: 00007f1d4b3e11c0 R11: 0000000000000246 R12: 0000000000000001 # [ 68.533038] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.547233] irq event stamp: 0 # [ 68.556853] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.570072] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.585425] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.600780] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.613998] ---[ end trace febdcaa53cdb3d32 ]--- # [ 68.625372] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_SATURATED: saw 'Saturation detected: still saturated': ok ok 52 selftests: lkdtm: REFCOUNT_INC_SATURATED.sh # selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # [ 68.764386] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 68.774758] lkdtm: attempting bad refcount_dec() from saturated # [ 68.781379] ------------[ cut here ]------------ # [ 68.786569] refcount_t: decrement hit 0; leaking memory. # [ 68.792511] WARNING: CPU: 2 PID: 2423 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.801972] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 68.828438] CPU: 2 PID: 2423 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 68.843309] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.850150] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.855986] Code: 40 44 c6 b1 c6 05 2a 53 74 01 01 e8 d7 61 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 10 44 c6 b1 c6 05 11 53 74 01 01 e8 bd 61 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.876971] RSP: 0018:ffff9d4082e4fe48 EFLAGS: 00010286 # [ 68.882808] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 68.890781] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 68.898753] RBP: ffffffffb1cc8a44 R08: 0000000000000000 R09: 0000000000000000 # [ 68.906724] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 68.914696] R13: ffff9d4082e4ff10 R14: ffff9d4082e4ff10 R15: ffff99e7c3be9000 # [ 68.922670] FS: 00007f6cbfa90580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 68.931711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.938131] CR2: 00007f6cbf8a9000 CR3: 0000000103d7c001 CR4: 00000000003706e0 # [ 68.946103] Call Trace: # [ 68.948835] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 68.954325] direct_entry.cold+0x2c/0x38 # [ 68.958708] full_proxy_write+0x53/0x80 # [ 68.963025] vfs_write+0xe7/0x3a0 # [ 68.966756] ksys_write+0x68/0xf0 # [ 68.970458] do_syscall_64+0x30/0x40 # [ 68.974471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.980113] RIP: 0033:0x7f6cbf9b8f33 # [ 68.984104] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.005087] RSP: 002b:00007ffe65ce1e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.013546] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f6cbf9b8f33 # [ 69.021516] RDX: 0000000000000017 RSI: 00007f6cbf8a9000 RDI: 0000000000000001 # [ 69.029492] RBP: 00007f6cbf8a9000 R08: 00007f6cbf8a8010 R09: 0000000000000000 # [ 69.043678] R10: 00007f6cbfab31c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.057877] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.072078] irq event stamp: 0 # [ 69.075496] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.088710] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.097871] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.107008] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.114008] ---[ end trace febdcaa53cdb3d33 ]--- # [ 69.119162] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_SATURATED: saw 'Saturation detected: still saturated': ok ok 53 selftests: lkdtm: REFCOUNT_DEC_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # [ 69.244566] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 69.256290] lkdtm: attempting bad refcount_dec() from saturated # [ 69.269138] ------------[ cut here ]------------ # [ 69.274304] refcount_t: saturated; leaking memory. # [ 69.285891] WARNING: CPU: 2 PID: 2458 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 69.295329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.327964] CPU: 2 PID: 2458 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 69.336639] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.343450] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 69.355498] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d ce 53 74 01 00 75 ee 48 c7 c7 90 43 c6 b1 c6 05 be 53 74 01 01 e8 67 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d aa 53 74 01 00 75 cb 48 c7 c7 b8 43 c6 # [ 69.376515] RSP: 0018:ffff9d4082ee7e48 EFLAGS: 00010286 # [ 69.382382] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 69.390378] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 69.398363] RBP: ffffffffb1cc8a5b R08: 0000000000000000 R09: 0000000000000000 # [ 69.412543] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 69.420515] R13: ffff9d4082ee7f10 R14: ffff9d4082ee7f10 R15: ffff99e7c4c1b000 # [ 69.428486] FS: 00007f487c97f580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 69.437526] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.443943] CR2: 00007f487c798000 CR3: 0000000103fc4006 CR4: 00000000003706e0 # [ 69.451915] Call Trace: # [ 69.454646] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 69.460117] direct_entry.cold+0x2c/0x38 # [ 69.464499] full_proxy_write+0x53/0x80 # [ 69.468807] vfs_write+0xe7/0x3a0 # [ 69.472507] ksys_write+0x68/0xf0 # [ 69.476210] do_syscall_64+0x30/0x40 # [ 69.480202] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.485844] RIP: 0033:0x7f487c8a7f33 # [ 69.489834] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.510819] RSP: 002b:00007ffd7ccb1bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.519287] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f487c8a7f33 # [ 69.527260] RDX: 0000000000000017 RSI: 00007f487c798000 RDI: 0000000000000001 # [ 69.541443] RBP: 00007f487c798000 R08: 00007f487c797010 R09: 0000000000000000 # [ 69.549415] R10: 00007f487c9a21c0 R11: 0000000000000246 R12: 0000000000000001 # [ 69.557386] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.565363] irq event stamp: 0 # [ 69.568800] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.575802] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.584940] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.594077] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.601076] ---[ end trace febdcaa53cdb3d34 ]--- # [ 69.606234] lkdtm: Saturation detected: still saturated # REFCOUNT_ADD_SATURATED: saw 'Saturation detected: still saturated': ok ok 54 selftests: lkdtm: REFCOUNT_ADD_SATURATED.sh # selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # [ 69.759381] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 69.769030] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 69.776547] ------------[ cut here ]------------ # [ 69.781726] refcount_t: saturated; leaking memory. # [ 69.787106] WARNING: CPU: 3 PID: 2490 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 69.796546] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.822997] CPU: 3 PID: 2490 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 69.831682] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.838489] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 69.844329] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 # [ 69.865344] RSP: 0018:ffff9d4082f7fe38 EFLAGS: 00010282 # [ 69.871181] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 69.879154] RDX: ffff99e83adac660 RSI: ffff99e83ad9bf70 RDI: ffff99e83ad9bf70 # [ 69.887128] RBP: ffffffffb1cc8688 R08: 0000000000000000 R09: 0000000000000000 # [ 69.895131] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 69.903105] R13: ffff9d4082f7ff10 R14: ffff9d4082f7ff10 R15: ffff99e7c3b1d000 # [ 69.917296] FS: 00007f735946c580(0000) GS:ffff99e83ad80000(0000) knlGS:0000000000000000 # [ 69.926360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.932778] CR2: 00007f7359285000 CR3: 0000000103186005 CR4: 00000000003706e0 # [ 69.940749] Call Trace: # [ 69.943481] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 69.949642] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 69.956017] direct_entry.cold+0x2c/0x38 # [ 69.960404] full_proxy_write+0x53/0x80 # [ 69.970892] vfs_write+0xe7/0x3a0 # [ 69.974592] ksys_write+0x68/0xf0 # [ 69.978295] do_syscall_64+0x30/0x40 # [ 69.982329] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.987971] RIP: 0033:0x7f7359394f33 # [ 69.991961] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.012946] RSP: 002b:00007ffe1aff7f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.021404] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f7359394f33 # [ 70.029374] RDX: 0000000000000020 RSI: 00007f7359285000 RDI: 0000000000000001 # [ 70.037347] RBP: 00007f7359285000 R08: 00007f7359284010 R09: 0000000000000000 # [ 70.045325] R10: 00007f735948f1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.053288] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.061283] irq event stamp: 0 # [ 70.070903] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.077907] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.087045] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.096183] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.103184] ---[ end trace febdcaa53cdb3d35 ]--- # [ 70.108338] lkdtm: Saturation detected: still saturated # REFCOUNT_INC_NOT_ZERO_SATURATED: saw 'call trace:': ok ok 55 selftests: lkdtm: REFCOUNT_INC_NOT_ZERO_SATURATED.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_SATURATED.sh # [ 70.273713] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 70.283487] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 70.291029] ------------[ cut here ]------------ # [ 70.296196] refcount_t: saturated; leaking memory. # [ 70.307781] WARNING: CPU: 2 PID: 2522 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 70.317219] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.349858] CPU: 2 PID: 2522 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 70.358540] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.365348] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 70.371183] Code: 01 01 e8 44 62 98 00 0f 0b c3 cc cc cc cc 80 3d 89 53 74 01 00 75 a8 48 c7 c7 90 43 c6 b1 c6 05 79 53 74 01 01 e8 21 62 98 00 <0f> 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 # [ 70.392167] RSP: 0018:ffff9d4082ff7e38 EFLAGS: 00010282 # [ 70.398003] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 70.405976] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 70.413949] RBP: ffffffffb1cc86a8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.421920] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.429892] R13: ffff9d4082ff7f10 R14: ffff9d4082ff7f10 R15: ffff99e7c4ccf000 # [ 70.437864] FS: 00007f8de6e7b580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 70.446903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.453326] CR2: 00007f8de6c94000 CR3: 0000000103186005 CR4: 00000000003706e0 # [ 70.461311] Call Trace: # [ 70.464072] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 70.470207] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 70.476554] direct_entry.cold+0x2c/0x38 # [ 70.480937] full_proxy_write+0x53/0x80 # [ 70.485269] vfs_write+0xe7/0x3a0 # [ 70.488979] ksys_write+0x68/0xf0 # [ 70.498891] do_syscall_64+0x30/0x40 # [ 70.502914] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.508557] RIP: 0033:0x7f8de6da3f33 # [ 70.512548] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.533532] RSP: 002b:00007ffc37d9f7d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.541992] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f8de6da3f33 # [ 70.549964] RDX: 0000000000000020 RSI: 00007f8de6c94000 RDI: 0000000000000001 # [ 70.557938] RBP: 00007f8de6c94000 R08: 00007f8de6c93010 R09: 0000000000000000 # [ 70.572127] R10: 00007f8de6e9e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 70.586325] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.594335] irq event stamp: 0 # [ 70.597773] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.604776] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.613935] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.623097] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.630113] ---[ end trace febdcaa53cdb3d36 ]--- # [ 70.641474] 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 # [ 70.771060] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 70.779362] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 70.786859] ------------[ cut here ]------------ # [ 70.792024] refcount_t: underflow; use-after-free. # [ 70.797390] WARNING: CPU: 2 PID: 2557 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.806826] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.833290] CPU: 2 PID: 2557 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 70.848147] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.854957] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.867009] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.894214] RSP: 0018:ffff9d40830afe40 EFLAGS: 00010286 # [ 70.900084] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 70.908113] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 70.916102] RBP: ffffffffb1cc86c8 R08: 0000000000000000 R09: 0000000000000000 # [ 70.930283] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 70.938265] R13: ffff9d40830aff10 R14: ffff9d40830aff10 R15: ffff99e7c4d8f000 # [ 70.952450] FS: 00007f274e97b580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 70.961523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.967944] CR2: 00007f274e794000 CR3: 00000001057d6001 CR4: 00000000003706e0 # [ 70.975916] Call Trace: # [ 70.978650] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.984809] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 70.997340] direct_entry.cold+0x2c/0x38 # [ 71.001754] full_proxy_write+0x53/0x80 # [ 71.006073] vfs_write+0xe7/0x3a0 # [ 71.009805] ksys_write+0x68/0xf0 # [ 71.013542] do_syscall_64+0x30/0x40 # [ 71.017565] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.023211] RIP: 0033:0x7f274e8a3f33 # [ 71.027234] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.048222] RSP: 002b:00007ffc005a68b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.056711] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f274e8a3f33 # [ 71.064686] RDX: 0000000000000020 RSI: 00007f274e794000 RDI: 0000000000000001 # [ 71.072660] RBP: 00007f274e794000 R08: 00007f274e793010 R09: 0000000000000000 # [ 71.080634] R10: 00007f274e99e1c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.088608] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.096607] irq event stamp: 0 # [ 71.100027] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.113240] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.122400] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.137747] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.144752] ---[ end trace febdcaa53cdb3d37 ]--- # [ 71.156124] lkdtm: Saturation detected: still saturated # REFCOUNT_DEC_AND_TEST_SATURATED: saw 'Saturation detected: still saturated': ok ok 57 selftests: lkdtm: REFCOUNT_DEC_AND_TEST_SATURATED.sh # selftests: lkdtm: REFCOUNT_SUB_AND_TEST_SATURATED.sh # [ 71.296414] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 71.306453] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 71.313947] ------------[ cut here ]------------ # [ 71.319114] refcount_t: underflow; use-after-free. # [ 71.324499] WARNING: CPU: 2 PID: 2592 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 71.333938] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_chardev cros_ec_lightbar cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.366571] CPU: 2 PID: 2592 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 71.375276] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.382086] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 71.387925] Code: 01 01 e8 21 62 98 00 0f 0b c3 cc cc cc cc 80 3d 63 53 74 01 00 75 85 48 c7 c7 e8 43 c6 b1 c6 05 53 53 74 01 01 e8 fe 61 98 00 <0f> 0b c3 cc cc cc cc 80 3d 3e 53 74 01 00 0f 85 5e ff ff ff 48 c7 # [ 71.408944] RSP: 0018:ffff9d408312fe40 EFLAGS: 00010286 # [ 71.414811] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 71.422784] RDX: ffff99e83ad2c660 RSI: ffff99e83ad1bf70 RDI: ffff99e83ad1bf70 # [ 71.430760] RBP: ffffffffb1cc86e8 R08: 0000000000000000 R09: 0000000000000000 # [ 71.444947] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 71.452918] R13: ffff9d408312ff10 R14: ffff9d408312ff10 R15: ffff99e7c4f85000 # [ 71.460892] FS: 00007f2a78da1580(0000) GS:ffff99e83ad00000(0000) knlGS:0000000000000000 # [ 71.469932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.476350] CR2: 00007f2a78bba000 CR3: 0000000103186001 CR4: 00000000003706e0 # [ 71.484346] Call Trace: # [ 71.487090] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 71.499422] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 71.505768] direct_entry.cold+0x2c/0x38 # [ 71.510151] full_proxy_write+0x53/0x80 # [ 71.514435] vfs_write+0xe7/0x3a0 # [ 71.518159] ksys_write+0x68/0xf0 # [ 71.521860] do_syscall_64+0x30/0x40 # [ 71.525877] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.531518] RIP: 0033:0x7f2a78cc9f33 # [ 71.535508] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.556492] RSP: 002b:00007ffdd64a4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.564951] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f2a78cc9f33 # [ 71.572921] RDX: 0000000000000020 RSI: 00007f2a78bba000 RDI: 0000000000000001 # [ 71.580891] RBP: 00007f2a78bba000 R08: 00007f2a78bb9010 R09: 0000000000000000 # [ 71.588863] R10: 00007f2a78dc41c0 R11: 0000000000000246 R12: 0000000000000001 # [ 71.596833] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.604809] irq event stamp: 0 # [ 71.608244] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.621454] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.630592] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.639729] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.646729] ---[ end trace febdcaa53cdb3d38 ]--- # [ 71.651886] 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 # [ 71.840012] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 71.850939] lkdtm: attempting good copy_to_user of correct size # [ 71.857589] lkdtm: attempting bad copy_to_user of too large size # USERCOPY_HEAP_SIZE_TO: missing 'call trace:': [FAIL] not ok 61 selftests: lkdtm: USERCOPY_HEAP_SIZE_TO.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # [ 72.016156] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 72.026615] lkdtm: attempting good copy_from_user of correct size # [ 72.033443] lkdtm: attempting bad copy_from_user of too large size # USERCOPY_HEAP_SIZE_FROM: missing 'call trace:': [FAIL] not ok 62 selftests: lkdtm: USERCOPY_HEAP_SIZE_FROM.sh # exit=1 # selftests: lkdtm: USERCOPY_HEAP_WHITELIST_TO.sh # [ 72.182142] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 72.190565] lkdtm: attempting good copy_to_user inside whitelist # [ 72.197291] 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 # [ 72.329355] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 72.341971] lkdtm: attempting good copy_from_user inside whitelist # [ 72.348905] 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 # [ 72.500056] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 72.511892] lkdtm: good_stack: ffff9d40834dfe20-ffff9d40834dfe40 # [ 72.518638] lkdtm: bad_stack : ffff9d40834dfda8-ffff9d40834dfdc8 # [ 72.525385] lkdtm: attempting good copy_to_user of local stack # [ 72.531932] 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 # [ 72.664099] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 72.676239] lkdtm: good_stack: ffff9d40835b7e20-ffff9d40835b7e40 # [ 72.689167] lkdtm: bad_stack : ffff9d40835b7da8-ffff9d40835b7dc8 # [ 72.702123] lkdtm: attempting good copy_from_user of local stack # [ 72.715023] 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 # [ 72.846821] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 72.859094] lkdtm: good_stack: ffff9d4083627e20-ffff9d4083627e40 # [ 72.865813] lkdtm: bad_stack : ffff9d4083627ff8-ffff9d4083628018 # [ 72.872539] lkdtm: attempting good copy_to_user of local stack # [ 72.885289] lkdtm: attempting bad copy_to_user of distant stack # [ 72.898137] lkdtm: copy_to_user failed, but lacked Oops # USERCOPY_STACK_BEYOND: missing 'call trace:': [FAIL] not ok 67 selftests: lkdtm: USERCOPY_STACK_BEYOND.sh # exit=1 # selftests: lkdtm: USERCOPY_KERNEL.sh # [ 73.024622] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 73.034535] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb18da1d0 # [ 73.043237] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb06e2dc0 # [ 73.051608] 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 # [ 73.199830] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 73.206513] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 73.220592] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 73.234574] lkdtm: FAIL: the thread stack is NOT properly erased # [ 73.247520] CPU: 0 PID: 2957 Comm: cat Tainted: G D W 5.10.136-cip13 #1 # [ 73.262342] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.269145] Call Trace: # [ 73.271874] dump_stack+0x77/0x9b # [ 73.275569] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 73.280723] direct_entry.cold+0x2c/0x38 # [ 73.285102] full_proxy_write+0x53/0x80 # [ 73.289388] vfs_write+0xe7/0x3a0 # [ 73.293092] ksys_write+0x68/0xf0 # [ 73.296791] do_syscall_64+0x30/0x40 # [ 73.300785] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.306424] RIP: 0033:0x7f9f05579f33 # [ 73.310412] Code: 8b 15 61 ef 0c 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.331393] RSP: 002b:00007fff6026ccc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.339840] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f9f05579f33 # [ 73.347809] RDX: 0000000000000012 RSI: 00007f9f0546a000 RDI: 0000000000000001 # [ 73.355778] RBP: 00007f9f0546a000 R08: 00007f9f05469010 R09: 0000000000000000 # [ 73.363747] R10: 00007f9f056741c0 R11: 0000000000000246 R12: 0000000000000001 # [ 73.371716] 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 # [ 73.499164] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 73.510347] lkdtm: Calling matched prototype ... # [ 73.515512] lkdtm: Calling mismatched prototype ... # [ 73.520971] 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 / #