[Enter `^Ec?' for help] [ 332.933312] kworker/dying (9) used greatest stack depth: 12920 bytes left coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 bootblock starting... CPU: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz CPU: ID 806e9, Kabylake H0, ucode: 00000097 CPU: AES supported, TXT NOT supported, VT supported MCH: device id 590c (rev 02) is Kabylake-Y PCH: device id 9d4b (rev 21) is Kabylake-Y iHDCP 2.2 Premium IGD: device id 591c (rev 02) is Amberlake ULX GT2 VBOOT: Loading verstage. CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/verstage' CBFS: Found @ offset 1a0a80 size f47c coreboot-v1.9308_26_0.0.22-6607-g034eeb8dd5 Fri Sep 4 02:38:51 UTC 2020 verstage starting... Probing TPM: .Timeout wait for TPM IRQ! . 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 33462 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 2 apic_id 1. done. AP: slot 1 apic_id 3. AP: slot 3 apic_id 2. Waiting for 2nd SIPI to complete...done. Loading module at 00038000 with entry 00038000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x00038000 SMM Module: stub loaded at 00038000. Will call 7ab21603(00000000) Installing SMM handler to 0x7b000000 Loading module at 7b010000 with entry 7b010a19. filesize: 0x3b08 memsize: 0x8bc0 Processing 243 relocs. Offset value of 0x7b010000 Loading module at 7b008000 with entry 7b008000. filesize: 0x1a8 memsize: 0x1a8 Processing 13 relocs. Offset value of 0x7b008000 SMM Module: placing jmp sequence at 7b007c00 rel16 0x03fd SMM Module: placing jmp sequence at 7b007800 rel16 0x07fd SMM Module: placing jmp sequence at 7b007400 rel16 0x0bfd SMM Module: stub loaded at 7b008000. Will call 7b010a19(00000000) Clearing SMI status registers SMI_STS: PM1 PM1_STS: PWRBTN TCO_STS: BOOT SECOND_TO New SMBASE 0x7b000000 In relocation handler: CPU 0 New SMBASE=0x7b000000 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff800 In relocation handler: CPU 2 New SMBASE=0x7afff800 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afff400 In relocation handler: CPU 3 New SMBASE=0x7afff400 IEDBASE=0x7b400000 Writing SMRR. base = 0x7b000006, mask=0xff800800 Relocation complete. New SMBASE 0x7afffc00 In relocation handler: CPU 1 New SMBASE=0x7afffc00 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 #2 Initializing CPU #3 Initializing CPU #1 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 #1 initialized CPU #3 initialized apic_id: 0x01 done. Skip microcode update CPU #2 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 376075 run 170276 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: 03: enabled 1 APIC: 01: enabled 1 APIC: 02: enabled 1 Compare with tree... Root Device: enabled 1 CPU_CLUSTER: 0: enabled 1 APIC: 00: enabled 1 APIC: 03: enabled 1 APIC: 01: 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 8969 usecs USB2 port 1 scanning... scan_usb_bus for USB2 port 1 scan_usb_bus for USB2 port 1 done scan_bus: scanning of bus USB2 port 1 took 8971 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 8961 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 8971 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 8962 usecs scan_usb_bus for USB0 port 0 done scan_bus: scanning of bus USB0 port 0 took 90919 usecs scan_usb_bus for PCI: 00:14.0 done scan_bus: scanning of bus PCI: 00:14.0 took 107702 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 14202 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 14153 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 22364 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 53506 usecs PCI: 00:1e.2 scanning... scan_generic_bus for PCI: 00:1e.2 bus: PCI: 00:1e.2[0]->SPI: 00 enabled scan_generic_bus for PCI: 00:1e.2 done scan_bus: scanning of bus PCI: 00:1e.2 took 13862 usecs PCI: 00:1f.0 scanning... scan_lpc_bus for PCI: 00:1f.0 PNP: 0c09.0 enabled scan_lpc_bus for PCI: 00:1f.0 done scan_bus: scanning of bus PCI: 00:1f.0 took 11324 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 9271 usecs PCI: 00:1f.3 scanning... scan_bus: scanning of bus PCI: 00:1f.3 took 2718 usecs PCI: 00:1f.4 scanning... scan_generic_bus for PCI: 00:1f.4 scan_generic_bus for PCI: 00:1f.4 done scan_bus: scanning of bus PCI: 00:1f.4 took 10049 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 10051 usecs scan_bus: scanning of bus DOMAIN: 0000 took 466014 usecs root_dev_scan_bus for Root Device done scan_bus: scanning of bus Root Device took 486171 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 825842 exit 39268 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: 03 APIC: 01 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: 03 APIC: 01 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 2114315 exit 31 Enabling resources... PCI: 00:00.0 subsystem <- 8086/590c PCI: 00:00.0 cmd <- 06 PCI: 00:02.0 subsystem <- 8086/591c PCI: 00:02.0 cmd <- 03 PCI: 00:04.0 cmd <- 02 PCI: 00:08.0 cmd <- 06 PCI: 00:14.0 subsystem <- 8086/9d2f PCI: 00:14.0 cmd <- 02 PCI: 00:14.2 subsystem <- 8086/9d31 PCI: 00:14.2 cmd <- 02 PCI: 00:15.0 subsystem <- 8086/9d60 PCI: 00:15.0 cmd <- 06 PCI: 00:15.1 subsystem <- 8086/9d61 PCI: 00:15.1 cmd <- 06 PCI: 00:16.0 subsystem <- 8086/9d3a PCI: 00:16.0 cmd <- 02 PCI: 00:19.0 subsystem <- 8086/9d66 PCI: 00:19.0 cmd <- 06 PCI: 00:19.1 subsystem <- 8086/9d65 PCI: 00:19.1 cmd <- 06 PCI: 00:1c.0 bridge ctrl <- 0003 PCI: 00:1c.0 subsystem <- 8086/9d10 PCI: 00:1c.0 cmd <- 06 PCI: 00:1e.0 subsystem <- 8086/9d27 PCI: 00:1e.0 cmd <- 06 PCI: 00:1e.2 subsystem <- 8086/9d29 PCI: 00:1e.2 cmd <- 06 PCI: 00:1e.4 subsystem <- 8086/9d2b PCI: 00:1e.4 cmd <- 06 PCI: 00:1e.6 subsystem <- 8086/9d2d PCI: 00:1e.6 cmd <- 06 PCI: 00:1f.0 subsystem <- 8086/9d4b PCI: 00:1f.0 cmd <- 407 PCI: 00:1f.2 subsystem <- 8086/9d21 PCI: 00:1f.2 cmd <- 02 PCI: 00:1f.3 subsystem <- 8086/9d71 PCI: 00:1f.3 cmd <- 02 PCI: 00:1f.4 subsystem <- 8086/9d23 PCI: 00:1f.4 cmd <- 03 PCI: 00:1f.5 subsystem <- 8086/9d24 PCI: 00:1f.5 cmd <- 406 PCI: 01:00.0 subsystem <- 8086/095a PCI: 01:00.0 cmd <- 02 done. ME: Version : 11.8.50.3470 BS: BS_DEV_ENABLE times (us): entry 230 run 139354 exit 19491 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 30927 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 6985 usecs PCI: 00:02.0 init ... PCI: 00:02.0 init finished in 2249 usecs PCI: 00:04.0 init ... PCI: 00:04.0 init finished in 2249 usecs PCI: 00:08.0 init ... PCI: 00:08.0 init finished in 2249 usecs PCI: 00:14.0 init ... PCI: 00:14.0 init finished in 2248 usecs PCI: 00:14.2 init ... PCI: 00:14.2 init finished in 2250 usecs PCI: 00:15.0 init ... DW I2C bus 0 at 0xd1132000 (400 KHz) PCI: 00:15.0 init finished in 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 2248 usecs PCI: 00:19.1 init ... DW I2C bus 5 at 0xd1136000 (400 KHz) PCI: 00:19.1 init finished in 5961 usecs PCI: 00:1c.0 init ... Initializing PCH PCIe bridge. PCI: 00:1c.0 init finished in 5289 usecs PCI: 00:1e.4 init ... PCI: 00:1e.4 init finished in 2248 usecs PCI: 00:1f.0 init ... IOAPIC: Initializing IOAPIC at 0xfec00000 IOAPIC: Bootstrap Processor Local APIC = 0x00 IOAPIC: ID = 0x02 IOAPIC: Dumping registers reg 0x0000: 0x02000000 reg 0x0001: 0x00770020 reg 0x0002: 0x00000000 PCI: 00:1f.0 init finished in 23478 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 23844 usecs PCI: 00:1f.4 init ... PCI: 00:1f.4 init finished in 2251 usecs PCI: 01:00.0 init ... PCI: 01:00.0 init finished in 2394 usecs PNP: 0c09.0 init ... Google Chrome EC: Hello got back 11223344 status (0) Google Chrome EC: version: ro: rammus_v2.0.387-f0df0fe2e rw: rammus_v2.0.425-6e0dd622e running image: 1 EC returned error result code 1 PNP: 0c09.0 init finished in 24479 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: 03: enabled 1 APIC: 01: 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 2022-09-28 13:47:04 UTC POST: Unexpected post code in previous boot: 0x34 ELOG: Event(A3) added with size 11 at 2022-09-28 13:47:04 UTC ELOG: Event(92) added with size 9 at 2022-09-28 13:47:04 UTC ELOG: Event(9A) added with size 9 at 2022-09-28 13:47:04 UTC ELOG: Event(AD) added with size 10 at 2022-09-28 13:47:04 UTC ELOG: Event(9F) added with size 14 at 2022-09-28 13:47:04 UTC BS: BS_DEV_INIT times (us): entry 0 run 417272 exit 60041 ELOG: Event(A1) added with size 10 at 2022-09-28 13:47:04 UTC elog_add_boot_reason: Logged recovery mode boot (Dev-switch on), reason: 0x1b ELOG: Event(A0) added with size 9 at 2022-09-28 13:47:04 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 25581 run 3962 exit 5204 BS: BS_OS_RESUME_CHECK times (us): entry 0 run 58 exit 0 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/dsdt.aml' CBFS: Found @ offset 19af40 size 4691 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'fallback/slic' CBFS: 'fallback/slic' not found. ACPI: Writing ACPI tables at 7aa9a000. ACPI: * FACS ACPI: * DSDT Ramoops buffer: 0x100000@0x7a999000. SGX: not enabled or not supported. skip gnvs fill ACPI: * FADT SCI is IRQ9 ACPI: added table 1/32, length now 40 ACPI: * SSDT Found 1 CPU(s) with 4 core(s) each. \_SB.PCI0.I2C0.H05C: SISC Touchscreen at I2C: 01:5c \_SB.PCI0.I2C1.D015: ELAN Touchpad at I2C: 02:15 \_SB.PCI0.I2C5.MAXR: Maxim MAX98927 Codec address 039h \_SB.PCI0.I2C5.MAXL: Maxim MAX98927 Codec address 03ah \_SB.PCI0.I2C5.DLG7: Dialog Semiconductor DA7219 Audio Codec address 01ah irq 105 Error: Could not locate 'wifi_sar' in VPD. Error: failed from getting SAR limits! \_SB.PCI0.RP01.WIFI: Intel WiFi PCI: 01:00.0 \_SB.PCI0.SPI0.S001: SPI Device at SPI: 00 \_SB.PCI0.XHCI.RHUB.HS01: USB Type C Port 1 at USB2 port 0 \_SB.PCI0.XHCI.RHUB.HS02: USB Type A Port 1 at USB2 port 1 \_SB.PCI0.XHCI.RHUB.HS03: Bluetooth at USB2 port 2 \_SB.PCI0.XHCI.RHUB.HS05: USB Type C Port 2 at USB2 port 4 \_SB.PCI0.XHCI.RHUB.HS09: Camera at USB2 port 8 ACPI: added table 2/32, length now 44 ACPI: * MCFG ACPI: added table 3/32, length now 48 ACPI: * TPM2 ACPI: added table 4/32, length now 52 ACPI: * MADT SCI is IRQ9 ACPI: added table 5/32, length now 56 current = 7aa9fa60 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-16b.bin' CBFS: Found @ offset 167000 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dmic-4ch-48khz-32b.bin' CBFS: Found @ offset 19f640 size ba8 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'dialog-2ch-48khz-24b.bin' CBFS: Found @ offset 167cc0 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-24b.bin' CBFS: Found @ offset 167c00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) CBFS: Locating 'max98927-render-2ch-48khz-16b.bin' CBFS: Found @ offset 103f00 size 64 ACPI: * NHLT ACPI: added table 6/32, length now 60 ACPI: * DMAR ACPI: added table 7/32, length now 64 ACPI: * IGD OpRegion GMA: Found VBT in CBFS GMA: Found valid VBT in CBFS current = 7aaa3610 ACPI: added table 8/32, length now 68 ACPI: * HPET ACPI: added table 9/32, length now 72 ACPI: done. ACPI tables: 38592 bytes. smbios_write_tables: 7a998000 Create SMBIOS type 17 PCI: 01:00.0 (Intel WiFi) SMBIOS tables: 662 bytes. Writing table forward entry at 0x00000500 Wrote coreboot table at: 00000500, 0x10 bytes, checksum a532 Writing coreboot table at 0x7aabe000 0. 0000000000000000-0000000000000fff: CONFIGURATION TABLES 1. 0000000000001000-000000000009ffff: RAM 2. 00000000000a0000-00000000000fffff: RESERVED 3. 0000000000100000-000000007a997fff: RAM 4. 000000007a998000-000000007ab05fff: CONFIGURATION TABLES 5. 000000007ab06000-000000007abcffff: RAMSTAGE 6. 000000007abd0000-000000007affffff: CONFIGURATION TABLES 7. 000000007b000000-000000007fffffff: RESERVED 8. 00000000e0000000-00000000e3ffffff: RESERVED 9. 00000000fe000000-00000000fe00ffff: RESERVED 10. 00000000fed10000-00000000fed19fff: RESERVED 11. 00000000fed80000-00000000fed84fff: RESERVED 12. 00000000fed90000-00000000fed91fff: RESERVED 13. 0000000100000000-000000017effffff: RAM Graphics framebuffer located at 0xc0000000 Passing 6 GPIOs to payload: NAME | PORT | POLARITY | VALUE write protect | undefined | high | low recovery | undefined | high | low lid | undefined | high | high power | undefined | high | low oprom | undefined | high | low EC in RW | 0x00000036 | high | low Board ID: 6 CBFS: 'Master Header Locator' located CBFS at [d00000:ffffc0) Wrote coreboot table at: 7aabe000, 0x57c bytes, checksum fb17 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 533873 exit 146880 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 609 run 261916 exit 135684 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 7438671/tftp-deploy-3486sxm6/kernel/bzImage 7438671/tftp-deploy-3486sxm6/kernel/cmdline 7438671/tftp-deploy-3486sxm6/ramdisk/ramdisk.cpio.gz tftpboot 192.168.201.1 7438671/tftp-deploy-3486sxm6/kernel/bzImoy-3486sxm6/kernel/cmdline 7438671/tftp-deploy-3486sxm6/ramdisk/ramdisk.cpio.gz Waiting for link R8152: Initializing Version 9 (ocp_data = 6010) R8152: Done initializing Adding net device done. MAC: 00:e0:4c:68:01:e7 Sending DHCP discover... done. Waiting for reply... done. Sending DHCP request... done. Waiting for reply... done. My ip is 192.168.201.10 The DHCP server ip is 192.168.201.1 TFTP server IP predefined by user: 192.168.201.1 Bootfile predefined by user: 7438671/tftp-deploy-3486sxm6/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 14018848 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: 7438671/tftp-deploy-3486sxm6/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/7438671/extract-nfsrootfs-rki03mzt,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: 21331888 Starting kernel ... [ 0.000000] Linux version 5.10.146-cip17 (KernelCI@build-j229519-x86-64-gcc-10-x86-64-defconfig-x86-chromeboopd5s5) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Wed Sep 28 13:47:48 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/7438671/extract-nfsrootfs-rki03mzt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x008: 'MPX bounds registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x010: 'MPX CSR' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[3]: 832, xstate_sizes[3]: 64 [ 0.000000] x86/fpu: xstate_offset[4]: 896, xstate_sizes[4]: 64 [ 0.000000] x86/fpu: Enabled xstate features 0x1f, context size is 960 bytes, using 'compacted' format. [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] type 16 [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000007a997fff] usable [ 0.000000] BIOS-e820: [mem 0x000000007a998000-0x000000007affffff] type 16 [ 0.000000] BIOS-e820: [mem 0x000000007b000000-0x000000007fffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000e3ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe00ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed80000-0x00000000fed84fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed90000-0x00000000fed91fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000017effffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.7 present. [ 0.000000] DMI: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.000000] tsc: Detected 1600.000 MHz processor [ 0.000000] tsc: Detected 1599.960 MHz TSC [ 0.000058] last_pfn = 0x17f000 max_arch_pfn = 0x400000000 [ 0.001407] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.007235] last_pfn = 0x7a998 max_arch_pfn = 0x400000000 [ 0.026445] check: Scanning 1 areas for low memory corruption [ 0.026460] Using GB pages for direct mapping [ 0.027223] RAMDISK: [mem 0x377f8000-0x37ffffff] [ 0.027231] ACPI: Early table checksum verification disabled [ 0.027240] ACPI: RSDP 0x00000000000F0000 000024 (v02 CORE ) [ 0.027255] ACPI: XSDT 0x000000007AA9A0E0 00006C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027274] ACPI: FACP 0x000000007AA9E970 0000F4 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027292] ACPI: DSDT 0x000000007AA9A280 0046E3 (v05 COREv4 COREBOOT 20110725 INTL 20180531) [ 0.027306] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027320] ACPI: FACS 0x000000007AA9A240 000040 [ 0.027332] ACPI: SSDT 0x000000007AA9EA70 000EFA (v02 CORE COREBOOT 0000002A CORE 0000002A) [ 0.027347] ACPI: MCFG 0x000000007AA9F970 00003C (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027361] ACPI: TPM2 0x000000007AA9F9B0 000040 (v04 CORE COREBOOT 00000000 CORE 00000000) [ 0.027374] ACPI: APIC 0x000000007AA9F9F0 00006C (v02 CORE COREBOOT 00000000 CORE 00000000) [ 0.027388] ACPI: NHLT 0x000000007AA9FA60 001B1C (v05 GOOGLE RAMMUS 00000000 CORE 00000000) [ 0.027402] ACPI: DMAR 0x000000007AAA1580 000088 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027415] ACPI: DBG2 0x000000007AAA3610 000061 (v00 CORE COREBOOT 00000000 CORE 00000000) [ 0.027429] ACPI: HPET 0x000000007AAA3680 000038 (v01 CORE COREBOOT 00000000 CORE 00000000) [ 0.027443] ACPI: Reserving FACP table memory at [mem 0x7aa9e970-0x7aa9ea63] [ 0.027449] ACPI: Reserving DSDT table memory at [mem 0x7aa9a280-0x7aa9e962] [ 0.027454] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027459] ACPI: Reserving FACS table memory at [mem 0x7aa9a240-0x7aa9a27f] [ 0.027464] ACPI: Reserving SSDT table memory at [mem 0x7aa9ea70-0x7aa9f969] [ 0.027470] ACPI: Reserving MCFG table memory at [mem 0x7aa9f970-0x7aa9f9ab] [ 0.027475] ACPI: Reserving TPM2 table memory at [mem 0x7aa9f9b0-0x7aa9f9ef] [ 0.027480] ACPI: Reserving APIC table memory at [mem 0x7aa9f9f0-0x7aa9fa5b] [ 0.027486] ACPI: Reserving NHLT table memory at [mem 0x7aa9fa60-0x7aaa157b] [ 0.027491] ACPI: Reserving DMAR table memory at [mem 0x7aaa1580-0x7aaa1607] [ 0.027496] ACPI: Reserving DBG2 table memory at [mem 0x7aaa3610-0x7aaa3670] [ 0.027502] ACPI: Reserving HPET table memory at [mem 0x7aaa3680-0x7aaa36b7] [ 0.027646] No NUMA configuration found [ 0.027651] Faking a node at [mem 0x0000000000000000-0x000000017effffff] [ 0.027662] NODE_DATA(0) allocated [mem 0x17effc000-0x17effffff] [ 0.027712] Zone ranges: [ 0.027717] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.027726] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.027734] Normal [mem 0x0000000100000000-0x000000017effffff] [ 0.027742] Movable zone start for each node [ 0.027747] Early memory node ranges [ 0.027753] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.027759] node 0: [mem 0x0000000000100000-0x000000007a997fff] [ 0.027764] node 0: [mem 0x0000000100000000-0x000000017effffff] [ 0.027771] Initmem setup node 0 [mem 0x0000000000001000-0x000000017effffff] [ 0.027810] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.027860] On node 0, zone DMA: 96 pages in unavailable ranges [ 0.039867] On node 0, zone Normal: 22120 pages in unavailable ranges [ 0.039958] On node 0, zone Normal: 4096 pages in unavailable ranges [ 0.039984] Reserving Intel graphics memory at [mem 0x7c000000-0x7fffffff] [ 0.040347] ACPI: PM-Timer IO Port: 0x1808 [ 0.040404] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.040418] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.040425] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.040440] Using ACPI (MADT) for SMP configuration information [ 0.040447] ACPI: HPET id: 0x8086a701 base: 0xfed00000 [ 0.040455] TSC deadline timer available [ 0.040460] smpboot: Allowing 4 CPUs, 0 hotplug CPUs [ 0.040490] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.040497] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000fffff] [ 0.040503] PM: hibernation: Registered nosave memory: [mem 0x7a998000-0x7affffff] [ 0.040507] PM: hibernation: Registered nosave memory: [mem 0x7b000000-0x7fffffff] [ 0.040512] PM: hibernation: Registered nosave memory: [mem 0x80000000-0xdfffffff] [ 0.040517] PM: hibernation: Registered nosave memory: [mem 0xe0000000-0xe3ffffff] [ 0.040521] PM: hibernation: Registered nosave memory: [mem 0xe4000000-0xfdffffff] [ 0.040526] PM: hibernation: Registered nosave memory: [mem 0xfe000000-0xfe00ffff] [ 0.040530] PM: hibernation: Registered nosave memory: [mem 0xfe010000-0xfed0ffff] [ 0.040535] PM: hibernation: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.040540] PM: hibernation: Registered nosave memory: [mem 0xfed1a000-0xfed7ffff] [ 0.040544] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xfed84fff] [ 0.040549] PM: hibernation: Registered nosave memory: [mem 0xfed85000-0xfed8ffff] [ 0.040553] PM: hibernation: Registered nosave memory: [mem 0xfed90000-0xfed91fff] [ 0.040558] PM: hibernation: Registered nosave memory: [mem 0xfed92000-0xffffffff] [ 0.040567] [mem 0x80000000-0xdfffffff] available for PCI devices [ 0.040575] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.055453] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:4 nr_node_ids:1 [ 0.055765] percpu: Embedded 59 pages/cpu s200848 r8192 d32624 u524288 [ 0.055841] Built 1 zonelists, mobility grouping on. Total pages: 1006266 [ 0.055846] Policy zone: Normal [ 0.055861] 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/7438671/extract-nfsrootfs-rki03mzt,tcp,hard ip=dhcp tftpserverip=192.168.201.1 [ 0.056416] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.056677] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes, linear) [ 0.056772] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.079188] Memory: 3888568K/4089052K available (18450K kernel code, 3465K rwdata, 6808K rodata, 2036K init, 13236K bss, 200224K reserved, 0K cma-reserved) [ 0.079348] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.079412] Kernel/User page tables isolation: enabled [ 0.079498] ftrace: allocating 53398 entries in 209 pages [ 0.141920] ftrace: allocated 209 pages with 4 groups [ 0.142255] Running RCU self tests [ 0.142273] rcu: Hierarchical RCU implementation. [ 0.142278] rcu: RCU event tracing is enabled. [ 0.142283] rcu: RCU lockdep checking is enabled. [ 0.142288] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4. [ 0.142294] Rude variant of Tasks RCU enabled. [ 0.142298] Tracing variant of Tasks RCU enabled. [ 0.142304] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies. [ 0.142310] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.153763] NR_IRQS: 4352, nr_irqs: 1024, preallocated irqs: 16 [ 0.154244] random: crng init done [ 0.154359] Console: colour dummy device 80x25 [ 0.229645] printk: console [ttyS0] enabled [ 0.230014] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.230677] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.231038] ... MAX_LOCK_DEPTH: 48 [ 0.231406] ... MAX_LOCKDEP_KEYS: 8192 [ 0.231789] ... CLASSHASH_SIZE: 4096 [ 0.232171] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.232561] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.232950] ... CHAINHASH_SIZE: 32768 [ 0.233340] memory used by lock dependency info: 6365 kB [ 0.233808] memory used for stack traces: 4224 kB [ 0.234226] per task-struct memory footprint: 1920 bytes [ 0.234758] ACPI: Core revision 20200925 [ 0.235372] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.235873] APIC: Switch to symmetric I/O mode setup [ 0.240304] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x170fff30cc4, max_idle_ns: 440795237869 ns [ 0.241228] Calibrating delay loop (skipped), value calculated using timer frequency.. 3199.92 BogoMIPS (lpj=1599960) [ 0.242135] pid_max: default: 32768 minimum: 301 [ 0.242208] LSM: Security Framework initializing [ 0.242208] SELinux: Initializing. [ 0.242208] LSM support for eBPF active [ 0.242208] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.242208] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes, linear) [ 0.242208] mce: CPU0: Thermal monitoring enabled (TM1) [ 0.242208] process: using mwait in idle threads [ 0.242208] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 0.242208] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 0.242208] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.242208] Spectre V2 : Mitigation: IBRS [ 0.242208] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.242208] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.242208] RETBleed: Mitigation: IBRS [ 0.242208] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.242208] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.242208] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.242208] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 0.242208] SRBDS: Vulnerable: No microcode [ 0.242208] ------------[ cut here ]------------ [ 0.242208] missing return thunk: lkdtm_rodata_do_nothing+0x0/0x10-lkdtm_rodata_do_nothing+0x5/0x10: e9 00 00 00 00 [ 0.242208] WARNING: CPU: 0 PID: 0 at arch/x86/kernel/alternative.c:712 apply_returns+0x1f5/0x220 [ 0.242208] Modules linked in: [ 0.242208] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.146-cip17 #1 [ 0.242208] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 0.242208] RIP: 0010:apply_returns+0x1f5/0x220 [ 0.242208] Code: e4 01 00 0f 85 e1 fe ff ff 49 89 e8 b9 05 00 00 00 4c 89 f2 48 89 ee 48 c7 c7 40 8e 0c b3 c6 05 ab 5c e4 01 01 e8 56 9a e8 00 <0f> 0b e9 b9 fe ff ff 44 89 f9 c7 00 cc cc cc cc c7 44 08 fc cc cc [ 0.242208] RSP: 0000:ffffffffb3403de0 EFLAGS: 00010282 [ 0.242208] RAX: 0000000000000000 RBX: ffffffffb3ee4064 RCX: 0000000000000000 [ 0.242208] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb197a891 [ 0.242208] RBP: ffffffffb2d9b320 R08: 0000000000000001 R09: 0000000000000001 [ 0.242208] R10: ffffffffb348fbc0 R11: 3fffffffffffffff R12: ffffffffb3efbc58 [ 0.242208] R13: cccccccccccccccc R14: ffffffffb2d9b325 R15: 0000000000000004 [ 0.242208] FS: 0000000000000000(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 0.242208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 0.242208] CR2: ffff9331aae01000 CR3: 0000000169626001 CR4: 00000000003706f0 [ 0.242208] Call Trace: [ 0.242208] alternative_instructions+0x7d/0x143 [ 0.242208] check_bugs+0xedd/0xf39 [ 0.242208] start_kernel+0x517/0x54d [ 0.242208] secondary_startup_64_no_verify+0xc2/0xcb [ 0.242208] irq event stamp: 162221 [ 0.242208] hardirqs last enabled at (162229): [] console_unlock+0x4d1/0x5f0 [ 0.242208] hardirqs last disabled at (162236): [] console_unlock+0x444/0x5f0 [ 0.242208] softirqs last enabled at (1812): [] cgroup_idr_alloc.constprop.0+0x5b/0xe0 [ 0.242208] softirqs last disabled at (1810): [] cgroup_idr_alloc.constprop.0+0x2e/0xe0 [ 0.242208] ---[ end trace d57bcebaeffbd9f7 ]--- # [ 0.242208] Freeing SMP alternatives memory: 44K [ 0.242208] smpboot: CPU0: Intel(R) Core(TM) m3-8100Y CPU @ 1.10GHz (family: 0x6, model: 0x8e, stepping: 0x9) [ 0.243247] Performance Events: PEBS fmt3+, Skylake events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.244181] ... version: 4 [ 0.244218] ... bit width: 48 [ 0.244585] ... generic registers: 4 [ 0.244942] ... value mask: 0000ffffffffffff [ 0.245217] ... max period: 00007fffffffffff [ 0.245683] ... fixed-purpose events: 3 [ 0.246039] ... event mask: 000000070000000f [ 0.246900] rcu: Hierarchical SRCU implementation. [ 0.249731] smp: Bringing up secondary CPUs ... [ 0.251156] x86: Booting SMP configuration: [ 0.251247] .... node #0, CPUs: #1 #2 [ 0.254657] 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. [ 0.256220] 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. [ 0.258086] #3 [ 0.259360] smp: Brought up 1 node, 4 CPUs [ 0.259897] smpboot: Max logical packages: 1 [ 0.260224] smpboot: Total of 4 processors activated (12799.68 BogoMIPS) [ 0.262634] devtmpfs: initialized [ 0.263678] x86/mm: Memory block size: 128MB [ 0.269357] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.270239] futex hash table entries: 1024 (order: 5, 131072 bytes, linear) [ 0.271466] pinctrl core: initialized pinctrl subsystem [ 0.272412] PM: RTC time: 13:47:21, date: 2022-09-28 [ 0.273606] NET: Registered protocol family 16 [ 0.275041] audit: initializing netlink subsys (disabled) [ 0.275285] audit: type=2000 audit(1664372840.034:1): state=initialized audit_enabled=0 res=1 [ 0.276407] thermal_sys: Registered thermal governor 'step_wise' [ 0.276415] thermal_sys: Registered thermal governor 'user_space' [ 0.277050] cpuidle: using governor menu [ 0.278680] ACPI: bus type PCI registered [ 0.279745] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xe0000000-0xe3ffffff] (base 0xe0000000) [ 0.280227] PCI: MMCONFIG at [mem 0xe0000000-0xe3ffffff] reserved in E820 [ 0.280860] PCI: Using configuration type 1 for base access [ 0.313965] Kprobes globally optimized [ 0.315284] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.315284] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.316476] cryptomgr_test (38) used greatest stack depth: 14880 bytes left [ 0.320282] ACPI: Added _OSI(Module Device) [ 0.320661] ACPI: Added _OSI(Processor Device) [ 0.321057] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.321239] ACPI: Added _OSI(Processor Aggregator Device) [ 0.321718] ACPI: Added _OSI(Linux-Dell-Video) [ 0.322117] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.323223] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.342048] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 0.353170] ACPI: EC: EC started [ 0.353215] ACPI: EC: interrupt blocked [ 0.354611] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.355061] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC used to handle transactions [ 0.356218] ACPI: Interpreter enabled [ 0.356644] ACPI: (supports S0 S3 S4 S5) [ 0.356996] ACPI: Using IOAPIC for interrupt routing [ 0.357322] PCI: Using host bridge windows from ACPI; if necessary, use \"pci=nocrs\" and report a bug [ 0.381711] ACPI: Power Resource [PRIC] (on) [ 0.521365] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.521920] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 0.522674] acpi PNP0A08:00: _OSC: OS now controls [PME PCIeCapability LTR] [ 0.524316] acpi PNP0A08:00: [Firmware Info]: MMCONFIG for domain 0000 [bus 00-3f] only partially covers this bridge [ 0.526153] PCI host bridge to bus 0000:00 [ 0.526224] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.526816] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.527220] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.527868] pci_bus 0000:00: root bus resource [mem 0x000c0000-0x000c3fff window] [ 0.528220] pci_bus 0000:00: root bus resource [mem 0x000c4000-0x000c7fff window] [ 0.528868] pci_bus 0000:00: root bus resource [mem 0x000c8000-0x000cbfff window] [ 0.530220] pci_bus 0000:00: root bus resource [mem 0x000cc000-0x000cffff window] [ 0.530869] pci_bus 0000:00: root bus resource [mem 0x000d0000-0x000d3fff window] [ 0.531220] pci_bus 0000:00: root bus resource [mem 0x000d4000-0x000d7fff window] [ 0.531867] pci_bus 0000:00: root bus resource [mem 0x000d8000-0x000dbfff window] [ 0.532219] pci_bus 0000:00: root bus resource [mem 0x000dc000-0x000dffff window] [ 0.532868] pci_bus 0000:00: root bus resource [mem 0x000e0000-0x000e3fff window] [ 0.534221] pci_bus 0000:00: root bus resource [mem 0x000e4000-0x000e7fff window] [ 0.534869] pci_bus 0000:00: root bus resource [mem 0x000e8000-0x000ebfff window] [ 0.535219] pci_bus 0000:00: root bus resource [mem 0x000ec000-0x000effff window] [ 0.535868] pci_bus 0000:00: root bus resource [mem 0x000f0000-0x000fffff window] [ 0.536220] pci_bus 0000:00: root bus resource [mem 0x80000001-0xdfffffff window] [ 0.536869] pci_bus 0000:00: root bus resource [mem 0x800000000-0xbffffffff window] [ 0.537219] pci_bus 0000:00: root bus resource [mem 0xfd000000-0xfe7fffff window] [ 0.537867] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.539222] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.539821] pci 0000:00:00.0: [8086:590c] type 00 class 0x060000 [ 0.541740] pci 0000:00:02.0: [8086:591c] type 00 class 0x030000 [ 0.542255] pci 0000:00:02.0: reg 0x10: [mem 0xd0000000-0xd0ffffff 64bit] [ 0.542864] pci 0000:00:02.0: reg 0x18: [mem 0xc0000000-0xcfffffff 64bit pref] [ 0.543231] pci 0000:00:02.0: reg 0x20: [io 0x1c00-0x1c3f] [ 0.544695] pci 0000:00:04.0: [8086:1903] type 00 class 0x118000 [ 0.545250] pci 0000:00:04.0: reg 0x10: [mem 0xd1120000-0xd1127fff 64bit] [ 0.546991] pci 0000:00:08.0: [8086:1911] type 00 class 0x088000 [ 0.548252] pci 0000:00:08.0: reg 0x10: [mem 0xd1130000-0xd1130fff 64bit] [ 0.549830] pci 0000:00:14.0: [8086:9d2f] type 00 class 0x0c0330 [ 0.550264] pci 0000:00:14.0: reg 0x10: [mem 0xd1100000-0xd110ffff 64bit] [ 0.551033] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.552358] pci 0000:00:14.2: [8086:9d31] type 00 class 0x118000 [ 0.552927] pci 0000:00:14.2: reg 0x10: [mem 0xd1131000-0xd1131fff 64bit] [ 0.554237] pci 0000:00:15.0: [8086:9d60] type 00 class 0x118000 [ 0.554814] pci 0000:00:15.0: reg 0x10: [mem 0xd1132000-0xd1132fff 64bit] [ 0.556423] pci 0000:00:15.1: [8086:9d61] type 00 class 0x118000 [ 0.557001] pci 0000:00:15.1: reg 0x10: [mem 0xd1133000-0xd1133fff 64bit] [ 0.559480] pci 0000:00:19.0: [8086:9d66] type 00 class 0x118000 [ 0.560058] pci 0000:00:19.0: reg 0x10: [mem 0xfe034000-0xfe034fff 64bit] [ 0.560255] pci 0000:00:19.0: reg 0x18: [mem 0xd1135000-0xd1135fff 64bit] [ 0.562036] pci 0000:00:19.1: [8086:9d65] type 00 class 0x118000 [ 0.563273] pci 0000:00:19.1: reg 0x10: [mem 0xd1136000-0xd1136fff 64bit] [ 0.565108] pci 0000:00:1c.0: [8086:9d10] type 01 class 0x060400 [ 0.565463] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.567149] pci 0000:00:1e.0: [8086:9d27] type 00 class 0x118000 [ 0.567273] pci 0000:00:1e.0: reg 0x10: [mem 0xd1137000-0xd1137fff 64bit] [ 0.569077] pci 0000:00:1e.2: [8086:9d29] type 00 class 0x118000 [ 0.570274] pci 0000:00:1e.2: reg 0x10: [mem 0xd1138000-0xd1138fff 64bit] [ 0.572065] pci 0000:00:1e.4: [8086:9d2b] type 00 class 0x080501 [ 0.572266] pci 0000:00:1e.4: reg 0x10: [mem 0xd1139000-0xd1139fff 64bit] [ 0.574236] pci 0000:00:1e.6: [8086:9d2d] type 00 class 0x080501 [ 0.574808] pci 0000:00:1e.6: reg 0x10: [mem 0xd113a000-0xd113afff 64bit] [ 0.576393] pci 0000:00:1f.0: [8086:9d4b] type 00 class 0x060100 [ 0.578080] pci 0000:00:1f.2: [8086:9d21] type 00 class 0x058000 [ 0.579258] pci 0000:00:1f.2: reg 0x10: [mem 0xd1128000-0xd112bfff] [ 0.580938] pci 0000:00:1f.3: [8086:9d71] type 00 class 0x040100 [ 0.581270] pci 0000:00:1f.3: reg 0x10: [mem 0xd112c000-0xd112ffff 64bit] [ 0.581926] pci 0000:00:1f.3: reg 0x20: [mem 0xd1110000-0xd111ffff 64bit] [ 0.582352] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.584019] pci 0000:00:1f.4: [8086:9d23] type 00 class 0x0c0500 [ 0.585291] pci 0000:00:1f.4: reg 0x10: [mem 0xd113c000-0xd113c0ff 64bit] [ 0.585960] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.587315] pci 0000:00:1f.5: [8086:9d24] type 00 class 0x000000 [ 0.587877] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.589995] pci 0000:01:00.0: [8086:095a] type 00 class 0x028000 [ 0.591168] pci 0000:01:00.0: reg 0x10: [mem 0xd1000000-0xd1001fff 64bit] [ 0.596771] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.599761] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.600217] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 0.602794] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.603712] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 12 14 15) [ 0.605656] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.606686] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.607627] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.608625] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.609625] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.610626] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 12 14 15) *11 [ 0.619494] ACPI: EC: interrupt unblocked [ 0.619869] ACPI: EC: event unblocked [ 0.620216] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.620670] ACPI: EC: GPE=0x6e [ 0.620956] ACPI: \_SB_.PCI0.LPCB.EC0_: Boot DSDT EC initialization complete [ 0.621231] ACPI: \_SB_.PCI0.LPCB.EC0_: EC: Used to handle transactions and events [ 0.623292] iommu: Default domain type: Translated [ 0.624450] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.624869] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.625250] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.625753] vgaarb: loaded [ 0.626763] SCSI subsystem initialized [ 0.627546] ACPI: bus type USB registered [ 0.628080] usbcore: registered new interface driver usbfs [ 0.628303] usbcore: registered new interface driver hub [ 0.628825] usbcore: registered new device driver usb [ 0.630393] pps_core: LinuxPPS API ver. 1 registered [ 0.630831] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.631233] PTP clock support registered [ 0.632342] Advanced Linux Sound Architecture Driver Initialized. [ 0.634247] NetLabel: Initializing [ 0.634558] NetLabel: domain hash size = 128 [ 0.634945] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.635318] NetLabel: unlabeled traffic allowed by default [ 0.636392] PCI: Using ACPI for IRQ routing [ 0.644212] clocksource: Switched to clocksource tsc-early [ 1.168022] VFS: Disk quotas dquot_6.6.0 [ 1.168464] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 1.169599] pnp: PnP ACPI init [ 1.170960] system 00:00: [mem 0xfed10000-0xfed17fff] has been reserved [ 1.171568] system 00:00: [mem 0xfed18000-0xfed18fff] has been reserved [ 1.172148] system 00:00: [mem 0xfed19000-0xfed19fff] has been reserved [ 1.172745] system 00:00: [mem 0xe0000000-0xe3ffffff] has been reserved [ 1.173341] system 00:00: [mem 0xfed20000-0xfed3ffff] has been reserved [ 1.173922] system 00:00: [mem 0xfed90000-0xfed93fff] could not be reserved [ 1.174547] system 00:00: [mem 0xfed45000-0xfed8ffff] could not be reserved [ 1.175155] system 00:00: [mem 0xff000000-0xffffffff] has been reserved [ 1.175750] system 00:00: [mem 0xfee00000-0xfeefffff] has been reserved [ 1.176346] system 00:00: [mem 0xfed00000-0xfed003ff] has been reserved [ 1.178170] system 00:01: [io 0x1800-0x18fe] has been reserved [ 1.179254] system 00:03: [io 0x0900-0x09fe] has been reserved [ 1.180114] system 00:04: [io 0x0200] has been reserved [ 1.180608] system 00:04: [io 0x0204] has been reserved [ 1.181079] system 00:04: [io 0x0800-0x087f] has been reserved [ 1.181618] system 00:04: [io 0x0880-0x08ff] has been reserved [ 1.185320] pnp: PnP ACPI: found 6 devices [ 1.203081] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 1.204016] NET: Registered protocol family 2 [ 1.204618] IP idents hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 1.207312] tcp_listen_portaddr_hash hash table entries: 2048 (order: 5, 163840 bytes, linear) [ 1.208326] TCP established hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 1.209317] TCP bind hash table entries: 32768 (order: 9, 2359296 bytes, linear) [ 1.212253] TCP: Hash tables configured (established 32768 bind 32768) [ 1.213252] MPTCP token hash table entries: 4096 (order: 6, 360448 bytes, linear) [ 1.214273] UDP hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.215178] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes, linear) [ 1.216328] NET: Registered protocol family 1 [ 1.217594] RPC: Registered named UNIX socket transport module. [ 1.218142] RPC: Registered udp transport module. [ 1.218591] RPC: Registered tcp transport module. [ 1.219009] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.220314] NET: Registered protocol family 44 [ 1.220733] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 1.221189] pci 0000:00:1c.0: bridge window [mem 0xd1000000-0xd10fffff] [ 1.221827] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 1.222383] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 1.222922] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 1.223610] pci_bus 0000:00: resource 7 [mem 0x000c0000-0x000c3fff window] [ 1.224207] pci_bus 0000:00: resource 8 [mem 0x000c4000-0x000c7fff window] [ 1.224821] pci_bus 0000:00: resource 9 [mem 0x000c8000-0x000cbfff window] [ 1.225432] pci_bus 0000:00: resource 10 [mem 0x000cc000-0x000cffff window] [ 1.226036] pci_bus 0000:00: resource 11 [mem 0x000d0000-0x000d3fff window] [ 1.226655] pci_bus 0000:00: resource 12 [mem 0x000d4000-0x000d7fff window] [ 1.227320] pci_bus 0000:00: resource 13 [mem 0x000d8000-0x000dbfff window] [ 1.227924] pci_bus 0000:00: resource 14 [mem 0x000dc000-0x000dffff window] [ 1.228545] pci_bus 0000:00: resource 15 [mem 0x000e0000-0x000e3fff window] [ 1.229149] pci_bus 0000:00: resource 16 [mem 0x000e4000-0x000e7fff window] [ 1.229765] pci_bus 0000:00: resource 17 [mem 0x000e8000-0x000ebfff window] [ 1.230384] pci_bus 0000:00: resource 18 [mem 0x000ec000-0x000effff window] [ 1.230988] pci_bus 0000:00: resource 19 [mem 0x000f0000-0x000fffff window] [ 1.231607] pci_bus 0000:00: resource 20 [mem 0x80000001-0xdfffffff window] [ 1.232226] pci_bus 0000:00: resource 21 [mem 0x800000000-0xbffffffff window] [ 1.232844] pci_bus 0000:00: resource 22 [mem 0xfd000000-0xfe7fffff window] [ 1.233464] pci_bus 0000:00: resource 23 [mem 0xfed40000-0xfed44fff window] [ 1.234068] pci_bus 0000:01: resource 1 [mem 0xd1000000-0xd10fffff] [ 1.235285] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 1.238679] PCI: CLS 64 bytes, default 64 [ 1.239531] Unpacking initramfs... [ 1.602176] Freeing initrd memory: 8224K [ 1.602713] DMAR: Host address width 39 [ 1.603094] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 1.603658] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e [ 1.604439] DMAR: RMRR base: 0x0000007b800000 end: 0x0000007fffffff [ 1.604989] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 1.605496] DMAR: dmar1: reg_base_addr fed91000 ver 1:0 cap d2008c40660462 ecap f050da [ 1.606310] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 1.606874] software IO TLB: mapped [mem 0x0000000076998000-0x000000007a998000] (64MB) [ 1.607836] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer [ 1.608557] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules [ 1.609060] RAPL PMU: hw unit of domain package 2^-14 Joules [ 1.609623] RAPL PMU: hw unit of domain dram 2^-14 Joules [ 1.610097] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules [ 1.610605] RAPL PMU: hw unit of domain psys 2^-14 Joules [ 1.613356] kvm: already loaded the other module [ 1.646374] check: Scanning for low memory corruption every 60 seconds [ 1.651114] Initialise system trusted keyrings [ 1.651851] workingset: timestamp_bits=56 max_order=20 bucket_order=0 [ 1.678717] NFS: Registering the id_resolver key type [ 1.679207] Key type id_resolver registered [ 1.679631] Key type id_legacy registered [ 1.703363] Key type asymmetric registered [ 1.703763] Asymmetric key parser 'x509' registered [ 1.704289] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.704950] io scheduler mq-deadline registered [ 1.705376] io scheduler kyber registered [ 1.706009] test_firmware: interface ready [ 1.708470] pcieport 0000:00:1c.0: PME: Signaling with IRQ 120 [ 1.710697] ACPI: AC Adapter [AC] (on-line) [ 1.711620] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/PNP0C0D:00/input/input0 [ 1.713546] ACPI: Lid Switch [LID0] [ 1.714207] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input1 [ 1.715197] ACPI: Power Button [PWRF] [ 1.716100] ACPI: \_PR_.CP00: Found 3 idle states [ 1.717698] ACPI: \_PR_.CP01: Found 3 idle states [ 1.718935] ACPI: \_PR_.CP02: Found 3 idle states [ 1.720113] ACPI: \_PR_.CP03: Found 3 idle states [ 1.722056] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 1.725782] hpet_acpi_add: no address or irqs in _CRS [ 1.726574] Non-volatile memory driver v1.3 [ 1.727173] Linux agpgart interface v0.103 [ 1.727828] battery: ACPI: Battery Slot [BAT0] (battery present) [ 1.731126] i915 0000:00:02.0: vgaarb: deactivate vga console [ 1.784779] i915 0000:00:02.0: vgaarb: changed VGA decodes: olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 1.786166] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2 [ 1.787095] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management. [ 1.788304] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915 [ 1.822322] [drm] Initialized i915 1.6.0 20200917 for 0000:00:02.0 on minor 0 [ 1.826976] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 1 [ 1.851028] loop: module loaded [ 1.852442] lkdtm: No crash points registered, enable through debugfs [ 1.886189] printk: console [ttyS0] disabled [ 1.887679] dw-apb-uart.2: ttyS0 at MMIO 0xfe034000 (irq = 32, base_baud = 115200) is a 16550A [ 2.709636] tsc: Refined TSC clocksource calibration: 1608.000 MHz [ 2.709672] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x172daa3a18b, max_idle_ns: 440795212390 ns [ 2.709867] clocksource: Switched to clocksource tsc [ 5.310152] printk: console [ttyS0] enabled [ 5.310175] fbcon: i915drmfb (fb0) is primary device [ 5.327129] dw-apb-uart.4: ttyS1 at MMIO 0xd1137000 (irq = 20, base_baud = 115200) is a 16550A [ 5.330067] pxa2xx-spi pxa2xx-spi.5: no DMA channels available, using PIO [ 5.340664] e100: Intel(R) PRO/100 Network Driver [ 5.340670] e100: Copyright(c) 1999-2006 Intel Corporation [ 5.340771] e1000: Intel(R) PRO/1000 Network Driver [ 5.340775] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 5.340908] e1000e: Intel(R) PRO/1000 Network Driver [ 5.340911] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 5.341053] sky2: driver version 1.30 [ 5.341597] usbcore: registered new interface driver r8152 [ 5.341635] tpm_tis_spi spi-PRP0001:00: TPM ready IRQ confirmed on attempt 2 [ 5.342395] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 5.342426] ehci-pci: EHCI PCI platform driver [ 5.342527] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 5.342553] ohci-pci: OHCI PCI platform driver [ 5.342655] uhci_hcd: USB Universal Host Controller Interface driver [ 5.344397] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.345576] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 1 [ 5.347065] xhci_hcd 0000:00:14.0: hcc params 0x200077c1 hci version 0x100 quirks 0x0000000081109810 [ 5.347148] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 5.350063] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 5.350092] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.350099] usb usb1: Product: xHCI Host Controller [ 5.350106] usb usb1: Manufacturer: Linux 5.10.146-cip17 xhci-hcd [ 5.350112] usb usb1: SerialNumber: 0000:00:14.0 [ 5.350354] Console: switching to colour frame buffer device 240x67 [ 5.352523] hub 1-0:1.0: USB hub found [ 5.352724] hub 1-0:1.0: 12 ports detected [ 5.357971] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 5.358513] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 5.358528] xhci_hcd 0000:00:14.0: Host supports USB 3.0 SuperSpeed [ 5.358941] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.10 [ 5.358950] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 5.358955] usb usb2: Product: xHCI Host Controller [ 5.358959] usb usb2: Manufacturer: Linux 5.10.146-cip17 xhci-hcd [ 5.358963] usb usb2: SerialNumber: 0000:00:14.0 [ 5.360577] hub 2-0:1.0: USB hub found [ 5.360707] hub 2-0:1.0: 6 ports detected [ 5.363472] usbcore: registered new interface driver usblp [ 5.363560] usbcore: registered new interface driver usb-storage [ 5.364135] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 5.364327] i8042: PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1 [ 5.364330] i8042: PNP: PS/2 appears to have AUX port disabled, if this is incorrect please boot with i8042.nopnp [ 5.365081] i8042: Warning: Keylock active [ 5.365374] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 5.367505] tpm_tis_spi spi-PRP0001:00: 2.0 TPM (device-id 0x28, rev-id 0) [ 5.367730] rtc_cmos 00:02: RTC can wake from S4 [ 5.370864] rtc_cmos 00:02: registered as rtc0 [ 5.371288] rtc_cmos 00:02: alarms up to one month, 242 bytes nvram [ 5.373269] i801_smbus 0000:00:1f.4: SPD Write Disable is set [ 5.373350] i801_smbus 0000:00:1f.4: SMBus using PCI interrupt [ 5.375279] i2c i2c-9: 2/2 memory slots populated (from DMI) [ 5.377800] device-mapper: ioctl: 4.43.0-ioctl (2020-10-01) initialised: dm-devel@redhat.com [ 5.377898] intel_pstate: Intel P-state driver initializing [ 5.379413] intel_pstate: HWP enabled [ 5.379487] sdhci: Secure Digital Host Controller Interface driver [ 5.379489] sdhci: Copyright(c) Pierre Ossman [ 5.379558] sdhci-pci 0000:00:1e.4: SDHCI controller found [8086:9d2b] (rev 21) [ 5.381156] mmc0: SDHCI controller on PCI [0000:00:1e.4] using ADMA 64-bit [ 5.385621] i915 0000:00:02.0: [drm] fb0: i915drmfb frame buffer device [ 5.391285] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 5.393559] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.394823] hid: raw HID events driver (C) Jiri Kosina [ 5.395355] usbcore: registered new interface driver usbhid [ 5.395357] usbhid: USB HID core driver [ 5.395795] input: Tablet Mode Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/device:03/PNP0C09:00/GOOG0006:00/input/input3 [ 5.400739] cros_ec_lpcs GOOG0004:00: Chrome EC device registered [ 5.401527] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100 [ 5.603296] usb 1-3: new full-speed USB device number 2 using xhci_hcd [ 5.607656] netem: version 1.3 [ 5.672319] 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 [ 5.682884] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 5.739150] mmc0: new HS400 MMC card at address 0001 [ 5.746994] gre: GRE over IPv4 demultiplexor driver [ 5.753689] mmcblk0: mmc0:0001 DA4064 58.2 GiB [ 5.757010] ip_gre: GRE over IPv4 tunneling driver [ 5.757851] IPv4 over IPsec tunneling driver [ 5.764192] mmcblk0boot0: mmc0:0001 DA4064 partition 1 4.00 MiB [ 5.769133] Initializing XFRM netlink socket [ 5.777145] mmcblk0boot1: mmc0:0001 DA4064 partition 2 4.00 MiB [ 5.785367] NET: Registered protocol family 10 [ 5.792836] mmcblk0rpmb: mmc0:0001 DA4064 partition 3 16.0 MiB, chardev (246:0) [ 5.802768] Segment Routing with IPv6 [ 5.810372] usb 1-3: New USB device found, idVendor=8087, idProduct=0a2a, bcdDevice= 0.03 [ 5.816510] ip6_gre: GRE over IPv6 tunneling driver [ 5.822059] usb 1-3: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 5.837260] mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 [ 5.839912] NET: Registered protocol family 17 [ 5.913321] usb 2-3: new SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 5.919106] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops) [ 5.919430] 8021q: 802.1Q VLAN Support v1.8 [ 5.919472] Key type dns_resolver registered [ 5.937187] usb 2-3: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=31.00 [ 5.944605] microcode: sig=0x806e9, pf=0x10, revision=0x98 [ 5.947771] microcode: Microcode Update Driver: v2.2. [ 5.956930] usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=6 [ 5.962351] IPI shorthand broadcast: enabled [ 5.962387] sched_clock: Marking stable (5875334619, 87007317)->(6064555602, -102213666) [ 5.970661] registered taskstats version 1 [ 5.976787] usb 2-3: Product: USB 10/100/1000 LAN [ 5.981746] Loading compiled-in X.509 certificates [ 5.984481] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 5.989648] usb 2-3: Manufacturer: Realtek [ 6.001105] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.004022] usb 2-3: SerialNumber: 001000001 [ 6.010261] PM: Magic number: 6:737:787 [ 6.018766] snd_hda_intel 0000:00:1f.3: Cannot probe codecs, giving up [ 6.020529] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.069260] usb 1-9: new high-speed USB device number 3 using xhci_hcd [ 6.120060] printk: console [netcon0] enabled [ 6.124965] netconsole: network logging started [ 6.280482] usb 1-9: New USB device found, idVendor=13d3, idProduct=56d4, bcdDevice=18.07 [ 6.289685] usb 1-9: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 6.297693] usb 1-9: Product: USB2.0 HD UVC WebCam [ 6.303078] usb 1-9: Manufacturer: Azurewave [ 6.307879] usb 1-9: SerialNumber: 0x0001 [ 6.319616] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.365757] usb 2-3: reset SuperSpeed Gen 1 USB device number 2 using xhci_hcd [ 6.409911] r8152 2-3:1.0: load rtl8153b-2 v1 10/23/19 successfully [ 6.446366] r8152 2-3:1.0 eth0: v1.11.11 [ 6.451594] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 6.452402] IP-Config: Failed to open gretap0 [ 6.464757] IP-Config: Failed to open erspan0 [ 6.488463] Sending DHCP requests . [ 8.104389] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.115687] r8152 2-3:1.0 eth0: carrier on [ 8.844370] ., OK [ 8.852638] IP-Config: Got DHCP answer from 192.168.201.1, my address is 192.168.201.10 [ 8.861644] IP-Config: Complete: [ 8.865290] device=eth0, hwaddr=00:e0:4c:68:01:e7, ipaddr=192.168.201.10, mask=255.255.255.0, gw=192.168.201.1 [ 8.876988] host=asus-C433TA-AJ0005-rammus-cbg-1, domain=lava-rack, nis-domain=(none) [ 8.886246] bootserver=192.168.201.1, rootserver=192.168.201.1, rootpath= [ 8.886251] nameserver0=192.168.201.1 [ 8.899100] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.910735] modprobe (100) used greatest stack depth: 14208 bytes left [ 8.914050] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.925614] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.926344] ALSA device list: [ 8.935288] cfg80211: failed to load regulatory.db [ 8.938603] No soundcards found. [ 8.948149] dw-apb-uart dw-apb-uart.2: forbid DMA for kernel console [ 8.958333] Freeing unused kernel image (initmem) memory: 2036K [ 8.975520] Write protecting the kernel read-only data: 28672k [ 8.983231] Freeing unused kernel image (text/rodata gap) memory: 2028K [ 8.991185] Freeing unused kernel image (rodata/data gap) memory: 1384K [ 8.998742] Run /init as init process Loading, please wait... [ 9.008706] mount (111) used greatest stack depth: 13688 bytes left Starting version 247.3-7+deb11u1 [ 9.074770] udevadm (124) used greatest stack depth: 13672 bytes left [ 9.234026] cros-usbpd-notify-acpi GOOG0003:00: Couldn't get Chrome EC device pointer. [ 9.243513] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.277308] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.325617] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.336050] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.346391] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.361147] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.373988] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.384024] sdhci-pci 0000:00:1e.6: SDHCI controller found [8086:9d2d] (rev 21) [ 9.410057] udevadm (139) used greatest stack depth: 13400 bytes left Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... done. IP-Config: gretap0 hardware address 00:00:00:00:00:00 mtu 1462 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 hardware address 00:e0:4c:68:01:e7 mtu 1500 DHCP IP-Config: erspan0 hardware address 00:00:00:00:00:00 mtu 1450 DHCP SIOCSIFFLAGS: Cannot assign requested address IP-Config: eth0 complete (dhcp from 192.168.201.1): address: 192.168.201.10 broadcast: 192.168.201.255 netmask: 255.255.255.0 gateway: 192.168.201.1 dns0 : 192.168.201.1 dns1 : 0.0.0.0 host : asus-C433TA-AJ0005-rammus-cbg-1 domain : lava-rack rootserver: 192.168.201.1 rootpath: filename : [ 9.559792] nfsmount (163) used greatest stack depth: 12688 bytes left done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. SELinux: Could not open policy file <= /etc/selinux/targeted/policy/policy.33: No such file or directory [ 10.844281] systemd[1]: systemd 247.3-7+deb11u1 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +ZSTD +SECCOMP +BLKID +ELFUTILS +KMOD +IDN2 -IDN +PCRE2 default-hierarchy=unified) [ 10.882509] systemd[1]: Detected architecture x86-64. Welcome to [1mDebian GNU/Linux 11 (bullseye)[0m! [ 10.914719] systemd[1]: Set hostname to . [ 11.641455] systemd[1]: Queued start job for default target Graphical Interface. [ 11.653609] systemd[1]: Created slice system-getty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-getty.slice[0m. [ 11.669977] systemd[1]: Created slice system-modprobe.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-modprobe.slice[0m. [ 11.686012] systemd[1]: Created slice system-serial\x2dgetty.slice. [[0;32m OK [0m] Created slice [0;1;39msystem-serial\x2dgetty.slice[0m. [ 11.702938] systemd[1]: Created slice User and Session Slice. [[0;32m OK [0m] Created slice [0;1;39mUser and Session Slice[0m. [ 11.718867] 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. [ 11.737723] 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. [ 11.759538] 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. [ 11.779635] systemd[1]: Reached target Local Encrypted Volumes. [[0;32m OK [0m] Reached target [0;1;39mLocal Encrypted Volumes[0m. [ 11.795563] systemd[1]: Reached target Paths. [[0;32m OK [0m] Reached target [0;1;39mPaths[0m. [ 11.806486] systemd[1]: Reached target Remote File Systems. [[0;32m OK [0m] Reached target [0;1;39mRemote File Systems[0m. [ 11.822573] systemd[1]: Reached target Slices. [[0;32m OK [0m] Reached target [0;1;39mSlices[0m. [ 11.833498] systemd[1]: Reached target Swap. [[0;32m OK [0m] Reached target [0;1;39mSwap[0m. [ 11.844842] systemd[1]: Listening on initctl Compatibility Named Pipe. [[0;32m OK [0m] Listening on [0;1;39minitctl Compatibility Named Pipe[0m. [ 11.862977] systemd[1]: Listening on Journal Audit Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Audit Socket[0m. [ 11.879705] systemd[1]: Listening on Journal Socket (/dev/log). [[0;32m OK [0m] Listening on [0;1;39mJournal Socket (/dev/log)[0m. [ 11.896086] systemd[1]: Listening on Journal Socket. [[0;32m OK [0m] Listening on [0;1;39mJournal Socket[0m. [ 11.911737] systemd[1]: Listening on Network Service Netlink Socket. [[0;32m OK [0m] Listening on [0;1;39mNetwork Service Netlink Socket[0m. [ 11.931122] systemd[1]: Listening on udev Control Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Control Socket[0m. [ 11.946985] systemd[1]: Listening on udev Kernel Socket. [[0;32m OK [0m] Listening on [0;1;39mudev Kernel Socket[0m. [ 11.964702] systemd[1]: Mounting Huge Pages File System... Mounting [0;1;39mHuge Pages File System[0m... [ 11.981350] systemd[1]: Mounting POSIX Message Queue File System... Mounting [0;1;39mPOSIX Message Queue File System[0m... [ 11.999343] systemd[1]: Mounting Kernel Debug File System... Mounting [0;1;39mKernel Debug File System[0m... [ 12.015208] systemd[1]: Mounting Kernel Trace File System... Mounting [0;1;39mKernel Trace File System[0m... [ 12.030893] 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... [ 12.052029] systemd[1]: Starting Load Kernel Module configfs... Starting [0;1;39mLoad Kernel Module configfs[0m... [ 12.070155] systemd[1]: Starting Load Kernel Module drm... Starting [0;1;39mLoad Kernel Module drm[0m... [ 12.088243] systemd[1]: Starting Load Kernel Module fuse... Starting [0;1;39mLoad Kernel Module fuse[0m... [ 12.130948] systemd[1]: Condition check resulted in Set Up Additional Binary Formats being skipped. [ 12.141401] fuse: init (API version 7.32) [ 12.147549] systemd[1]: Starting Journal Service... Starting [0;1;39mJournal Service[0m... [ 12.163751] systemd[1]: Starting Load Kernel Modules... Starting [0;1;39mLoad Kernel Modules[0m... [ 12.176985] systemd[1]: Starting Remount Root and Kernel File Systems... Starting [0;1;39mRemount Root and Kernel File Systems[0m... [ 12.195125] systemd[1]: Starting Coldplug All udev Devices... Starting [0;1;39mColdplug All udev Devices[0m... [ 12.212375] systemd[1]: Mounted Huge Pages File System. [[0;32m OK [0m] Mounted [0;1;39mHuge Pages File System[0m. [ 12.227624] systemd[1]: Mounted POSIX Message Queue File System. [[0;32m OK [0m] Mounted [0;1;39mPOSIX Message Queue File System[0m. [ 12.244555] systemd[1]: Mounted Kernel Debug File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Debug File System[0m. [ 12.260544] systemd[1]: Mounted Kernel Trace File System. [[0;32m OK [0m] Mounted [0;1;39mKernel Trace File System[0m. [ 12.276935] 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. [ 12.299461] systemd[1]: modprobe@configfs.service: Succeeded. [ 12.306877] systemd[1]: Finished Load Kernel Module configfs. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module configfs[0m. [ 12.323338] systemd[1]: modprobe@drm.service: Succeeded. [ 12.330071] systemd[1]: Finished Load Kernel Module drm. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module drm[0m. [ 12.347394] systemd[1]: modprobe@fuse.service: Succeeded. [ 12.354235] systemd[1]: Finished Load Kernel Module fuse. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Module fuse[0m. [ 12.370471] systemd[1]: Finished Load Kernel Modules. [[0;32m OK [0m] Finished [0;1;39mLoad Kernel Modules[0m. [ 12.384197] systemd[1]: Finished Remount Root and Kernel File Systems. [[0;32m OK [0m] Finished [0;1;39mRemount Root and Kernel File Systems[0m. [ 12.401864] systemd[1]: Started Journal Service. [[0;32m OK [0m] Started [0;1;39mJournal Service[0m. Mounting [0;1;39mFUSE Control File System[0m... Mounting [0;1;39mKernel Configuration File System[0m... Starting [0;1;39mFlush Journal to Persistent Storage[0m... Starting [0;1;39mLoad/Save Random Seed[0m... Starting [0;1;39mApply Kernel Variables[0m... Starting [0;1;39mCreate System Users[0m... [ 12.486209] systemd-journald[199]: Received client request to flush runtime journal. [[0;32m OK [0m] Mounted [0;1;39mFUSE Control File System[0m. [[0;32m OK [0m] Mounted [0;1;39mKernel Configuration File System[0m. [[0;32m OK [0m] Finished [0;1;39mLoad/Save Random Seed[0m. [[0;32m OK [0m] Finished [0;1;39mApply Kernel Variables[0m. [[0;32m OK [0m] Finished [0;1;39mColdplug All udev Devices[0m. [[0;32m OK [0m] Finished [0;1;39mCreate System Users[0m. [[0;32m OK [0m] Finished [0;1;39mFlush Journal to Persistent Storage[0m. Starting [0;1;39mCreate Static Device Nodes in /dev[0m... [ 14.068039] systemd-tmpfile (211) used greatest stack depth: 12528 bytes left [[0;32m OK [0m] Finished [0;1;39mCreate Static Device Nodes in /dev[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems (Pre)[0m. [[0;32m OK [0m] Reached target [0;1;39mLocal File Systems[0m. Starting [0;1;39mCreate Volatile Files and Directories[0m... Starting [0;1;39mRule-based Manage…for Device Events and Files[0m... [[0;32m OK [0m] Started [0;1;39mRule-based Manager for Device Events and Files[0m. Starting [0;1;39mNetwork Service[0m... [[0;32m OK [0m] Created slice [0;1;39msystem-systemd\x2dbacklight.slice[0m. Starting [0;1;39mLoad/Save Screen …f backlight:intel_backlight[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] Listening on [0;1;39mLoad/Save RF …itch Status /dev/rfkill Watch[0m. Starting [0;1;39mUpdate UTMP about System Boot/Shutdown[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 5.10.146-cip17 #1 SMP Wed Sep 28 13:47:48 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/7438671/extract-nfsrootfs-rki03mzt' export NFS_ROOTFS='/var/lib/lava/dispatcher/tmp/7438671/extract-nfsrootfs-rki03mzt' / # 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-7438671/environment . /lava-7438671/environment / # /lava-7438671/bin/lava-test-runner /lava-7438671/0 /lava-7438671/bin/lava-test-runner /lava-7438671/0 + export TESTRUN_ID=0_timesync-off + TESTRUN_ID=0_timesync-off + cd /lava-7438671/0/tests/0_timesync-off ++ cat uuid + UUID=7438671_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-7438671/0/tests/1_kselftest-lkdtm ++ cat uuid + UUID=7438671_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/v5.10.145-cip17-140-g62223aebb3a92/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-7438671/0/tests/1_kselftest-lkdtm/automated/linux/kselftest/skipfile-lkft.yaml INFO: Using the following generated skipfile contents (until EOF): breakpoints:breakpoint_test breakpoints:step_after_suspend_test ftrace:ftracetest net:rtnetlink.sh net:tls netfilter:bridge_brouter.sh netfilter:nft_flowtable.sh netfilter:nft_trans_stress.sh pidfd:pidfd_wait INFO: EOF INFO: Installing sed perl wget xz-utils iproute2 Hit:1 http://deb.debian.org/debian bullseye InRelease Reading package lists... Reading package lists... Building dependency tree... Reading state information... iproute2 is already the newest version (5.10.0-4). perl is already the newest version (5.32.1-4+deb11u2). sed is already the newest version (4.7-1). wget is already the newest version (1.21-1+deb11u1). xz-utils is already the newest version (5.2.5-2.1~deb11u1). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. --2022-09-28 13:47:57-- http://storage.kernelci.org/cip-gitlab/ci-iwamatsu-linux-5.10.y-cip-rc/v5.10.145-cip17-140-g62223aebb3a92/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: 3543688 (3.4M) [application/octet-stream] Saving to: 'kselftest.tar.xz' kselftest.tar.xz 0%[ ] 0 --.-KB/s kselftest.tar.xz 1%[ ] 44.98K 157KB/s kselftest.tar.xz 6%[> ] 216.08K 374KB/s kselftest.tar.xz 23%[===> ] 815.64K 889KB/s kselftest.tar.xz 58%[==========> ] 1.97M 1.70MB/s kselftest.tar.xz 89%[================> ] 3.02M 2.22MB/s kselftest.tar.xz 100%[===================>] 3.38M 2.28MB/s in 1.5s 2022-09-28 13:47:59 (2.28 MB/s) - 'kselftest.tar.xz' saved [3543688/3543688] tar: ./run_kselftest.sh: time stamp 2022-09-28 13:55:52 is 471.981199551 s in the future tar: ./ir/ir_loopback: time stamp 2022-09-28 13:55:28 is 447.970527861 s in the future tar: ./ir: time stamp 2022-09-28 13:55:58 is 477.962587128 s in the future tar: ./ptrace/peeksiginfo: time stamp 2022-09-28 13:55:44 is 463.953740114 s in the future tar: ./ptrace/vmaccess: time stamp 2022-09-28 13:55:44 is 463.946214413 s in the future tar: ./ptrace/get_syscall_info: time 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stamp 2022-09-28 13:55:56 is 470.931065287 s in the future tar: ./tpm2: time stamp 2022-09-28 13:56:00 is 474.898834147 s in the future tar: ./kcmp/kcmp_test: time stamp 2022-09-28 13:55:28 is 442.888164702 s in the future tar: ./kcmp: time stamp 2022-09-28 13:55:58 is 472.884733615 s in the future tar: ./exec/recursion-depth: time stamp 2022-09-28 13:55:24 is 438.87482598 s in the future tar: ./exec/load_address_16777216: time stamp 2022-09-28 13:55:24 is 435.830145735 s in the future tar: ./exec/load_address_2097152: time stamp 2022-09-28 13:55:24 is 435.405066224 s in the future tar: ./exec/script: time stamp 2022-09-28 13:55:24 is 435.396946321 s in the future tar: ./exec/non-regular: time stamp 2022-09-28 13:55:24 is 435.39014576 s in the future tar: ./exec/execveat.denatured: time stamp 2022-09-28 13:55:24 is 435.385045052 s in the future tar: ./exec/load_address_4096: time stamp 2022-09-28 13:55:24 is 435.303849761 s in the future tar: ./exec/subdir: time stamp 2022-09-28 13:55:24 is 435.301915496 s in the future tar: ./exec/execveat.symlink: time stamp 2022-09-28 13:55:24 is 435.300011681 s in the future tar: ./exec/execveat: time stamp 2022-09-28 13:55:24 is 435.29471347 s in the future tar: ./exec: time stamp 2022-09-28 13:55:57 is 468.292571932 s in the future tar: ./ipc/msgque: time stamp 2022-09-28 13:55:28 is 439.285134923 s in the future tar: ./ipc: time stamp 2022-09-28 13:55:58 is 469.282931322 s in the future tar: ./net/socket: time stamp 2022-09-28 13:55:37 is 448.265132065 s in the future tar: ./net/txring_overwrite: time stamp 2022-09-28 13:55:39 is 450.252515565 s in the future tar: ./net/psock_fanout: time stamp 2022-09-28 13:55:38 is 449.242199703 s in the future tar: ./net/hwtstamp_config: time stamp 2022-09-28 13:55:41 is 452.216564244 s in the future tar: ./net/udpgso_bench_rx: time stamp 2022-09-28 13:55:40 is 451.192495411 s in the future tar: ./net/so_txtime: time stamp 2022-09-28 13:55:40 is 451.16400233 s in the future tar: ./net/tcp_fastopen_backup_key: time stamp 2022-09-28 13:55:41 is 452.153269775 s in the future tar: ./net/tcp_inq: time stamp 2022-09-28 13:55:39 is 450.135830717 s in the future tar: ./net/forwarding: time stamp 2022-09-28 13:55:59 is 469.601550367 s in the future tar: ./net/tls: time stamp 2022-09-28 13:55:37 is 447.536431617 s in the future tar: ./net/reuseaddr_conflict: time stamp 2022-09-28 13:55:36 is 446.529362381 s in the future tar: ./net/mptcp/pm_nl_ctl: time stamp 2022-09-28 13:55:43 is 453.497733452 s in the future tar: ./net/mptcp/mptcp_connect: time stamp 2022-09-28 13:55:43 is 453.486930653 s in the future tar: ./net/mptcp: time stamp 2022-09-28 13:55:59 is 469.467427127 s in the future tar: ./net/udpgso: time stamp 2022-09-28 13:55:39 is 449.454127599 s in the future tar: ./net/txtimestamp: time stamp 2022-09-28 13:55:42 is 452.442437831 s in the future tar: ./net/ip_defrag: time stamp 2022-09-28 13:55:40 is 450.429701605 s in the future tar: ./net/udpgso_bench_tx: time stamp 2022-09-28 13:55:40 is 450.416333902 s in the future tar: ./net/reuseport_bpf_numa: time stamp 2022-09-28 13:55:36 is 446.385186988 s in the future tar: ./net/ipv6_flowlabel: time stamp 2022-09-28 13:55:41 is 451.368071271 s in the future tar: ./net/reuseport_addr_any: time stamp 2022-09-28 13:55:39 is 449.358832234 s in the future tar: ./net/reuseport_bpf: time stamp 2022-09-28 13:55:35 is 445.344318741 s in the future tar: ./net/reuseport_bpf_cpu: time stamp 2022-09-28 13:55:36 is 446.335672123 s in the future tar: ./net/msg_zerocopy: time stamp 2022-09-28 13:55:39 is 449.324930873 s in the future tar: ./net/psock_snd: time stamp 2022-09-28 13:55:39 is 449.317218659 s in the future tar: ./net/tcp_mmap: time stamp 2022-09-28 13:55:39 is 449.296072053 s in the future tar: ./net/fin_ack_lat: time stamp 2022-09-28 13:55:41 is 451.288824109 s in the future tar: ./net/rxtimestamp: time stamp 2022-09-28 13:55:41 is 451.253469017 s in the future tar: ./net/nettest: time stamp 2022-09-28 13:55:38 is 448.239092396 s in the future tar: ./net/ipv6_flowlabel_mgr: time stamp 2022-09-28 13:55:41 is 451.212033024 s in the future tar: ./net/ipsec: time stamp 2022-09-28 13:55:43 is 453.190756776 s in the future tar: ./net/reuseport_dualstack: time stamp 2022-09-28 13:55:36 is 446.182832322 s in the future tar: ./net/timestamping: time stamp 2022-09-28 13:55:42 is 452.160277858 s in the future tar: ./net/psock_tpacket: time stamp 2022-09-28 13:55:38 is 448.124156979 s in the future tar: ./net/reuseaddr_ports_exhausted: time stamp 2022-09-28 13:55:41 is 451.101736574 s in the future tar: ./net: time stamp 2022-09-28 13:55:59 is 469.077016325 s in the future tar: .: time stamp 2022-09-28 13:56:02 is 472.072668244 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 ======================================== [ 51.795291] 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 [ 52.092497] lkdtm: Performing direct entry BUG [ 52.097566] ------------[ cut here ]------------ [ 52.102752] kernel BUG at drivers/misc/lkdtm/bugs.c:76! [ 52.108664] invalid opcode: 0000 [#1] SMP PTI [ 52.113536] CPU: 0 PID: 723 Comm: cat Tainted: G W 5.10.146-cip17 #1 [ 52.122089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.128898] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.133275] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 52.154262] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 52.160099] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.168070] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 52.176041] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 52.184011] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.191983] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 52.199955] FS: 00007fed9afcc580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 52.208986] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.215404] CR2: 00007fed9add5000 CR3: 0000000102864001 CR4: 00000000003706f0 [ 52.223365] Call Trace: [ 52.226095] direct_entry.cold+0x2c/0x38 [ 52.230471] full_proxy_write+0x53/0x80 [ 52.234760] vfs_write+0xe7/0x3a0 [ 52.238465] ksys_write+0x68/0xf0 [ 52.242165] do_syscall_64+0x30/0x40 [ 52.246163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.251804] RIP: 0033:0x7fed9aee28f3 [ 52.255784] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.276764] RSP: 002b:00007ffe1be861e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.285222] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fed9aee28f3 [ 52.293185] RDX: 0000000000000004 RSI: 00007fed9add5000 RDI: 0000000000000001 [ 52.301156] RBP: 00007fed9add5000 R08: 00007fed9add4010 R09: 0000000000000000 [ 52.309127] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 52.317096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.325072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.351604] ---[ end trace d57bcebaeffbd9f9 ]--- [ 52.356804] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 52.361252] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 52.382284] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 52.388154] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 52.396170] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 52.404160] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 52.412163] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 52.420150] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 52.428146] FS: 00007fed9afcc580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 52.437200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.443626] CR2: 00007fed9add5000 CR3: 0000000102864001 CR4: 00000000003706f0 # Segmentation fault # [ 52.092497] lkdtm: Performing direct entry BUG # [ 52.097566] ------------[ cut here ]------------ # [ 52.102752] kernel BUG at drivers/misc/lkdtm/bugs.c:76! # [ 52.108664] invalid opcode: 0000 [#1] SMP PTI # [ 52.113536] CPU: 0 PID: 723 Comm: cat Tainted: G W 5.10.146-cip17 #1 # [ 52.122089] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.128898] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.133275] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 52.154262] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 52.160099] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52.168070] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 52.176041] RB[ 52.553755] lkdtm: Performing direct entry WARNING [ 52.561531] ------------[ cut here ]------------ [ 52.566708] WARNING: CPU: 3 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 [ 52.576153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 52.602606] CPU: 3 PID: 759 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 52.611196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 52.618010] RIP: 0010:lkdtm_WARNING+0x13/0x20 [ 52.622908] 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 60 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 fc [ 52.643934] RSP: 0018:ffffacdd0153fe60 EFLAGS: 00010202 [ 52.649806] RAX: ffffffffb20de8c0 RBX: 0000000000000002 RCX: 0000000000000000 [ 52.657780] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffffffffb2d9aea0 [ 52.665756] RBP: ffffffffb318aaf7 R08: 0000000000000000 R09: 0000000000000000 [ 52.673732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 P: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001[ 52.681711] R13: ffffacdd0153ff10 R14: ffffacdd0153ff10 R15: ffff933145cfc000 # [ 52.184011] R10: 00000000ffffe000 R11: 3fffffffffffffff R1[ 52.695901] FS: 00007f7edc346580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 2: 0000000000000004 # [ 52.191983] R13: ffffacdd014d7f10 R14:[ 52.711159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.723798] CR2: 00007f7edc14f000 CR3: 0000000103354001 CR4: 00000000003706e0 [ 52.731772] Call Trace: [ 52.734503] direct_entry.cold+0x2c/0x38 [ 52.738916] full_proxy_write+0x53/0x80 ffffacdd014d7f10 R15: ffff933144e88000 # [ 52.199955] FS: 0[ 52.743252] vfs_write+0xe7/0x3a0 [ 52.753175] ksys_write+0x68/0xf0 [ 52.756930] do_syscall_64+0x30/0x40 0007fed9afcc580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000[ 52.760935] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 52.772785] RIP: 0033:0x7f7edc25c8f3 [ 52.776777] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 52.797766] RSP: 002b:00007ffd75f37348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 52.806250] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7edc25c8f3 000000 # [ 52.208986] CS: 0010 DS: 0000 ES: 0000 CR0: 000000[ 52.814226] RDX: 0000000000000008 RSI: 00007f7edc14f000 RDI: 0000000000000001 [ 52.828413] RBP: 00007f7edc14f000 R08: 00007f7edc14e010 R09: 0000000000000000 [ 52.836391] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 0080050033 # [ 52.215404] CR2: 00007fed9add5000 CR3: 00000001[ 52.844363] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 52.858554] irq event stamp: 0 02864001 CR4: 00000000003706f0 # [ 52.223365] Call Trace: # [ 52.861988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 52.875202] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 52.884342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 52.893481] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 52.900483] ---[ end trace d57bcebaeffbd9fa ]--- [ 52.226095] direct_entry.cold+0x2c/0x38 # [ 52.230471] full_proxy_write+0x53/0x80 # [ 52.234760] vfs_write+0xe7/0x3a0 # [ 52.238465] ksys_write+0x68/0xf0 # [ 52.242165] do_syscall_64+0x30/0x40 # [ 52.246163] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.251804] RIP: 0033:0x7fed9aee28f3 # [ 52.255784] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.276764] RSP: 002b:00007ffe1be861e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.285222] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fed9aee28f3 # [ 52.293185] RDX: 0000000000000004 RSI: 00007fed9add5000 RDI: 0000000000000001 # [ 52.301156] RBP: 00007fed9add5000 R08: 00007fed9add4010 R09: 0000000000000000 # [ 52.309127] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.317096] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.325072] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.351604] ---[ end trace d57bcebaeffbd9f9 ]--- # [ 52.356804] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 52.361252] Code: 89 ff e8 fe b5 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 [ 53.049620] lkdtm: Performing direct entry WARNING_MESSAGE [ 53.060961] ------------[ cut here ]------------ [ 53.066127] Warning message trigger count: 2 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00[ 53.070920] WARNING: CPU: 3 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 00 0f 1f 44 00 00 83 05 60 fc 93 02 # [ 52.382284] RSP: 0018[ 53.087329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.119972] CPU: 3 PID: 794 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 53.128559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.135393] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 :ffffacdd014d7e60 EFLAGS: 00010282 # [ 52.388154] RAX: ffffff[ 53.141045] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 fc 93 02 48 c7 c7 58 b0 18 b3 8d 70 01 89 35 31 fc 93 02 e8 0b 3f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 ffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 52[ 53.168251] RSP: 0018:ffffacdd015cfe60 EFLAGS: 00010286 [ 53.180306] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 53.188296] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 53.196284] RBP: ffffffffb318aaff R08: 0000000000000000 R09: 0000000000000000 [ 53.204296] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 [ 53.212260] R13: ffffacdd015cff10 R14: ffffacdd015cff10 R15: ffff93314566b000 [ 53.220248] FS: 00007fcee2c06580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 .396170] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffff[ 53.229288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.241917] CR2: 00007fcee2a0f000 CR3: 00000001036ce004 CR4: 00000000003706e0 [ 53.249890] Call Trace: [ 53.252622] direct_entry.cold+0x2c/0x38 [ 53.257030] full_proxy_write+0x53/0x80 [ 53.261344] vfs_write+0xe7/0x3a0 [ 53.265068] ksys_write+0x68/0xf0 [ 53.268770] do_syscall_64+0x30/0x40 [ 53.272762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.278405] RIP: 0033:0x7fcee2b1c8f3 [ 53.282397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.303386] RSP: 002b:00007ffe80f7eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.311847] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcee2b1c8f3 [ 53.319820] RDX: 0000000000000010 RSI: 00007fcee2a0f000 RDI: 0000000000000001 [ 53.327794] RBP: 00007fcee2a0f000 R08: 00007fcee2a0e010 R09: 0000000000000000 [ 53.335766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.343741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ffb2d9ae90 # [ 52.404160] RBP: ffffffffb31e60b8 R08: 00000000[ 53.351721] irq event stamp: 0 00000001 R09: 0000000000000001 # [ 52.412163] R10: 00000000ff[ 53.361342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.374564] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.383703] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.392842] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.399844] ---[ end trace d57bcebaeffbd9fb ]--- ffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 52.420150] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 52.428146] FS: 00007fed9afcc580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 52.437200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.443626] CR2: 00007fed9add5000 CR3: 0000000102864001 CR4: 00000000003706f0 # BUG: saw 'kernel BUG at': ok ok 2 selftests: lkdtm: BUG.sh # selftests: lkdtm: WARNING.sh # [ 52.553755] lkdtm: Performing direct entry WARNING # [ 52.561531] ------------[ cut here ]------------ # [ 52.566708] WARNING: CPU: 3 PID: 759 at drivers/misc/lkdtm/bugs.c:83 lkdtm_WARNING+0x13/0x20 # [ 52.576153] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 52.602606] CPU: 3 PID: 759 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 52.611196] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 52.618010] RIP: 0010:[ 53.512613] lkdtm: Performing direct entry EXCEPTION lkdtm_WARNING+0x13/0x20 # [ 52.622908] Code: c0 f4 ff ff ff e[ 53.522658] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 53.536630] #PF: supervisor write access in kernel mode [ 53.542466] #PF: error_code(0x0002) - not-present page [ 53.548201] PGD 0 P4D 0 [ 53.551027] Oops: 0002 [#2] SMP PTI [ 53.554910] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 53.563464] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.570272] RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 b c9 0f 1f 44 00 00 0f 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00[ 53.575244] Code: 48 c7 c7 58 b0 18 b3 8d 70 01 89 35 31 fc 93 02 e8 0b 3f 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 [ 53.602436] RSP: 0018:ffffacdd0165fe60 EFLAGS: 00010282 [ 53.608290] RAX: ffffffffb20de910 RBX: 0000000000000004 RCX: 0000000000000000 [ 53.616260] RDX: 0000000000000000 RSI: ffff9331bad1bf70 RDI: ffffffffb2d9aec0 [ 53.624246] RBP: ffffffffb30bffaf R08: 0000000000000000 R09: 0000000000000000 [ 53.632216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 53.640210] R13: ffffacdd0165ff10 R14: ffffacdd0165ff10 R15: ffff933143369000 [ 53.648181] FS: 00007f8d0b02f580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 53.657245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.663661] CR2: 0000000000000000 CR3: 00000001037f8006 CR4: 00000000003706e0 [ 53.671631] Call Trace: [ 53.674358] direct_entry.cold+0x2c/0x38 00 83 05 60 fc 93 02 01 75 05 c3 cc cc cc cc <0f> 0b c3 cc cc c[ 53.678738] full_proxy_write+0x53/0x80 [ 53.689247] vfs_write+0xe7/0x3a0 c cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 fc # [ 52.6439[ 53.692947] ksys_write+0x68/0xf0 [ 53.702860] do_syscall_64+0x30/0x40 [ 53.706851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 53.712491] RIP: 0033:0x7f8d0af458f3 [ 53.716481] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 53.737468] RSP: 002b:00007ffd5eb67b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 53.745916] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8d0af458f3 [ 53.753888] RDX: 000000000000000a RSI: 00007f8d0ae38000 RDI: 0000000000000001 [ 53.761857] RBP: 00007f8d0ae38000 R08: 00007f8d0ae37010 R09: 0000000000000000 [ 53.769827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 53.777796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 34] RSP: 0018:ffffacdd0153fe60 EFLAGS: 00010202 # [ 52.649806[ 53.785771] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.818412] CR2: 0000000000000000 [ 53.822110] ---[ end trace d57bcebaeffbd9fc ]--- [ 53.827264] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 53.831633] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 53.852619] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 53.858454] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.866425] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 53.874397] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 53.882369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 53.890340] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 53.898312] FS: 00007f8d0b02f580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 53.907350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.913768] CR2: 0000000000000000 CR3: 00000001037f8006 CR4: 00000000003706e0 [ 53.921740] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 53.931654] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat [ 53.940004] INFO: lockdep is turned off. [ 53.944380] irq event stamp: 0 [ 53.947784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 53.954785] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 53.963913] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 53.973048] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 53.980045] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 53.988595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 53.995403] Call Trace: [ 53.998133] dump_stack+0x77/0x9b ] RAX: ffffffffb20de8c0 RBX: 0000000000000002 RCX: 0000000000000[ 54.001833] ___might_sleep.cold+0xa6/0xb6 [ 54.012618] exit_signals+0x1c/0x2e0 [ 54.016607] do_exit+0xd5/0xb00 [ 54.020111] ? ksys_write+0x68/0xf0 [ 54.023996] rewind_stack_do_exit+0x17/0x20 [ 54.028668] RIP: 0033:0x7f8d0af458f3 [ 54.032645] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.053629] RSP: 002b:00007ffd5eb67b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.062083] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8d0af458f3 [ 54.070057] RDX: 000000000000000a RSI: 00007f8d0ae38000 RDI: 0000000000000001 [ 54.078030] RBP: 00007f8d0ae38000 R08: 00007f8d0ae37010 R09: 0000000000000000 [ 54.086002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.093965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 000 # [ 52.657780] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffffffffb2d9aea0 # [ 52.665756] RBP: ffffffffb318aaf7 R08: 0000000000000000 R09: 0000000000000000 # [ 52.673732] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000008 # [ 52.681711] R13: ffffacdd0153ff10 R14: ffffacdd0153ff10 R15: ffff933145cfc000 # [ 52.695901] FS: 00007f7edc346580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 52.711159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 52.723798] CR2: 00007f7edc14f000 CR3: 0000000103354001 CR4: 00000000003706e0 # [ 52.731772] Call Trace: # [ 52.734503] direct_entry.cold+0x2c/0x38 # [ 52.738916] full_proxy_write+0x53/0x80 # [ 52.743252] vfs_write+0xe7/0x3a0 # [ 52.753175] ksys_write+0x68/0xf0 # [ 52.756930] do_syscall_64+0x30/0x40 # [ 52.760935] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 52.772785] RIP: 0033:0x7f7edc25c8f3 # [ 52.776777] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 52.797766] RSP: 002b:00007ffd75f37348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 52.806250] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f7edc25c8f3 # [ 52.814226] RDX: 0000000000000008 RSI: 00007f7edc14f000 RDI: 0000000000000001 # [ 52.828413] RBP: 00007f7edc14f000 R08: 00007f7edc14e010 R09: 0000000000000000 # [ 52.836391] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 52.844363] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 52.858554] irq event stamp: 0 # [ 52.861988] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 52.875202] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 52.884342] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 52.893481] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 52.900483] ---[ end trace d57bcebaeffbd9fa ]--- # WARNING: saw 'WARNING:': ok ok 3 selftests: lkdtm: WARNING.sh # selftests: lkdtm: WARNING_MESSAGE.sh # [ 53.049620] lkdtm: Performing direct entry WARNING_MESSAGE # [ 53.060961] ------------[ cut here ]------------ # [ 53.066127] Warning message trigger count: 2 # [ 53.070920] WARNING: CPU: 3 PID: 794 at drivers/misc/lkdtm/bugs.c:88 lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 53.087329] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.119972] CPU: 3 PID: 794 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 53.128559] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.135393] RIP: 0010:lkdtm_WARNING_MESSAGE+0x20/0x30 # [ 53.141045] Code: cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 8b 05 41 fc 93 02 48 c7 c7 58 b0 18 b3 8d 70 01 89 35 31 fc 93 02 e8 0b 3f 66 00 <0f> 0b c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 c7 # [ 53.168251] RSP: 0018:ffffacdd015cfe60 EFLAGS: 00010286 # [ 53.180306] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000[ 54.425038] lkdtm: Performing direct entry CORRUPT_LIST_ADD [ 54.431536] lkdtm: attempting good list addition [ 54.436759] lkdtm: attempting corrupted list addition 0000000000 # [ 53.188296] RDX: ffff9331badac660 RSI: ffff9331[ 54.442442] lkdtm: list_add() corruption not detected! bad9bf70 RDI: ffff9331bad9bf70 # [ 53.196284] RBP: ffffffffb318aaff R08: 0000000000000000 R09: 0000000000000000 # [ 53.204296] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000010 # [ 53.212260] R13: ffffacdd015cff10 R14: ffffacdd015cff10 R15: ffff93314566b000 # [ 53.220248] FS: 00007fcee2c06580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 53.229288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.241917] CR2: 00007fcee2a0f000 CR3: 00000001036ce004 CR4: 00000000003706e0 # [ 53.249890] Call Trace: # [ 53.252622] direct_entry.cold+0x2c/0x38 # [ 53.257030] full_proxy_write+0x53/0x80 # [ 53.261344] vfs_write+0xe7/0x3a0 # [ 53.265068] ksys_write+0x68/0xf0 # [ 53.268770] do_syscall_64+0x30/0x40 # [ 53.272762] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.278405] RIP: 0033:0x7fcee2b1c8f3 # [ 53.282397] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.303386] RSP: 002b:00007ffe80f7eca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.311847] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007fcee2b1c8f3 # [ 53.319820] RDX: 0000000000000010 RSI: 00007fcee2a0f000 RDI: 0000000000000001 # [ 53.327794] RBP: 00007fcee2a0f000 R08: 00007fcee[ 54.586813] lkdtm: Performing direct entry CORRUPT_LIST_DEL [ 54.597510] lkdtm: attempting good list removal [ 54.602587] lkdtm: attempting corrupted list removal [ 54.608149] lkdtm: list_del() corruption not detected! 2a0e010 R09: 0000000000000000 # [ 53.335766] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.343741] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.351721] irq event stamp: 0 # [ 53.361342] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.374564] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.383703] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.392842] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.399844] ---[ end trace d57bcebaeffbd9fb ]--- # WARNING_MESSAGE: saw 'message trigger': ok ok 4 selftests: lkdtm: WARNING_MESSAGE.sh # selftests: lkdtm: EXCEPTION.sh # Killed # [ 53.512613] lkdtm: Performing direct entry EXCEPTION # [ 53.522658] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 53.536630] #PF: supervisor write access in kernel mode # [ 53.542466] #PF: error_code(0x0002) - not-present page # [ 53.548201] PGD 0 P4D 0 # [ 53.551027] Oops: 0002 [#2] SMP PTI # [ 53.554910] CPU: 2 PID: 826 Comm: cat Tainted:[ 54.720165] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING [ 54.732951] lkdtm: attempting bad read from page below current stack [ 54.740065] BUG: stack guard page was hit at 000000007fa01854 (stack is 00000000c542a8e2..00000000a12c34bc) [ 54.750959] kernel stack overflow (page fault): 0000 [#3] SMP PTI G D W 5.10.146-cip17 #1 # [ 53.563464] Hardware[ 54.757765] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 54.772633] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 54.779432] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a [ 54.785946] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 b3 18 b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 38 b4 18 b3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 [ 54.806923] RSP: 0018:ffffacdd019e7e50 EFLAGS: 00010246 [ 54.812756] RAX: 0000000000000038 RBX: ffffacdd019e4000 RCX: 0000000000000000 [ 54.820727] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffffffffb318b438 [ 54.828696] RBP: ffffffffb318ab62 R08: 0000000000000000 R09: 0000000000000000 [ 54.836664] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 [ 54.844635] R13: ffffacdd019e7f10 R14: ffffacdd019e7f10 R15: ffff9331427a7000 [ 54.852605] FS: 00007fd7192eb580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 54.861634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.868050] CR2: ffffacdd019e3fff CR3: 0000000104fd0001 CR4: 00000000003706e0 [ 54.876021] Call Trace: [ 54.878748] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 [ 54.883798] direct_entry.cold+0x2c/0x38 [ 54.888176] full_proxy_write+0x53/0x80 [ 54.892448] vfs_write+0xe7/0x3a0 [ 54.896144] ksys_write+0x68/0xf0 [ 54.899835] do_syscall_64+0x30/0x40 [ 54.903825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 54.909463] RIP: 0033:0x7fd7192018f3 [ 54.913451] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 54.934424] RSP: 002b:00007ffc981e8708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.942878] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd7192018f3 [ 54.950849] RDX: 0000000000000019 RSI: 00007fd7190f4000 RDI: 0000000000000001 [ 54.958814] RBP: 00007fd7190f4000 R08: 00007fd7190f3010 R09: 0000000000000000 [ 54.966785] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 54.974756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 54.982730] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.570272] [ 55.009182] ---[ end trace d57bcebaeffbd9fd ]--- [ 55.020547] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.024914] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 55.045897] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 55.051731] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.059698] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 55.067664] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 55.075628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.083592] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 55.091559] FS: 00007fd7192eb580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 55.100595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.107008] CR2: ffffacdd019e3fff CR3: 0000000104fd0001 CR4: 00000000003706e0 [ 55.114979] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 55.124888] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat [ 55.133345] INFO: lockdep is turned off. [ 55.137719] irq event stamp: 0 [ 55.141123] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 55.148122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 55.157258] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 55.166382] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 55.173380] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 55.182027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.188827] Call Trace: [ 55.191552] dump_stack+0x77/0x9b [ 55.195251] ___might_sleep.cold+0xa6/0xb6 [ 55.199824] exit_signals+0x1c/0x2e0 [ 55.203811] do_exit+0xd5/0xb00 [ 55.207313] ? ksys_write+0x68/0xf0 [ 55.211207] rewind_stack_do_exit+0x17/0x20 [ 55.215876] RIP: 0033:0x7fd7192018f3 [ 55.219864] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.240849] RSP: 002b:00007ffc981e8708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.249297] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd7192018f3 [ 55.257264] RDX: 0000000000000019 RSI: 00007fd7190f4000 RDI: 0000000000000001 [ 55.265244] RBP: 00007fd7190f4000 R08: 00007fd7190f3010 R09: 0000000000000000 [ 55.273204] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.281173] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 RIP: 0010:lkdtm_EXCEPTION+0x5/0x20 # [ 53.575244] Code: 48 c7 c7 58 b0 18 b3 8d 70 01 89 35 31 fc 93 02 e8 0b 3f 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 # [ 53.602436] RSP: 0018:ffffacdd0165fe60 EFLAGS: 00010282 # [ 53.608290] RAX: ffffffffb20de910 RBX: 0000000000000004 RCX: 0000000000000000 # [ 53.616260] RDX: 0000000000000000 RSI: ffff9331bad1bf70 RDI: ffffffffb2d9aec0 # [ 53.624246] RBP: ffffffffb30bffaf R08: 0000000000000000 R09: 0000000000000000 # [ 53.632216] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 53.640210] R13: ffffacdd0165ff10 R14: ffffacdd0165ff10 R15: ffff933143369000 # [ 53.648181] FS: 00007f8d0b02f580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 53.657245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 53.663661] CR2: 0000000000000000 CR3: 00000001037f8006 CR4: 00000000003706e0 # [ 53.671631] Call Trace: # [ 53.674358] direct_entry.cold+0x2c/0x38 # [ 53.678738] full_proxy[ 55.393090] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING _write+0x53/0x80 # [ 53.689247] vfs_write+0xe7/0x3a0 # [ [ 55.401954] lkdtm: attempting bad read from page above current stack 53.692947] ksys_write+0x68/0xf0 # [ 53.702860] do_syscall_6[ 55.415268] BUG: stack guard page was hit at 000000003130adf7 (stack is 0000000014fe2402..00000000b479d3ab) [ 55.432353] kernel stack overflow (page fault): 0000 [#4] SMP PTI [ 55.439160] CPU: 0 PID: 1084 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 55.447804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 55.454612] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d [ 55.461226] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 b4 18 b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 b0 b4 18 b3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff [ 55.482212] RSP: 0018:ffffacdd01a2fe50 EFLAGS: 00010246 [ 55.488049] RAX: 0000000000000038 RBX: ffffacdd01a2c000 RCX: 0000000000000000 [ 55.496022] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb318b4b0 [ 55.503981] RBP: ffffffffb318ab7b R08: 0000000000000000 R09: 0000000000000000 [ 55.511949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a [ 55.519921] R13: ffffacdd01a2ff10 R14: ffffacdd01a2ff10 R15: ffff9331440f5000 [ 55.527882] FS: 00007f8d33712580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 55.536921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.543337] CR2: ffffacdd01a30000 CR3: 0000000103292001 CR4: 00000000003706f0 [ 55.551306] Call Trace: [ 55.554035] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a [ 55.559874] direct_entry.cold+0x2c/0x38 [ 55.564254] full_proxy_write+0x53/0x80 [ 55.568540] vfs_write+0xe7/0x3a0 [ 55.572243] ksys_write+0x68/0xf0 [ 55.575934] do_syscall_64+0x30/0x40 [ 55.579922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 55.585564] RIP: 0033:0x7f8d336288f3 [ 55.589552] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 55.610537] RSP: 002b:00007ffe34d6dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 55.618993] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8d336288f3 [ 55.626964] RDX: 000000000000001a RSI: 00007f8d3351b000 RDI: 0000000000000001 [ 55.634928] RBP: 00007f8d3351b000 R08: 00007f8d3351a010 R09: 0000000000000000 [ 55.642896] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 55.650865] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 55.658843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 55.685291] ---[ end trace d57bcebaeffbd9fe ]--- [ 55.690448] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 55.694826] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 55.715810] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 55.721644] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 55.729616] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 55.737584] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 55.745554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 55.753524] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 55.761496] FS: 00007f8d33712580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 55.770537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.776953] CR2: ffffacdd01a30000 CR3: 0000000103292001 CR4: 00000000003706f0 4+0x30/0x40 # [ 53.706851] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 53.712491] RIP: 0033:0x7f8d0af458f3 # [ 53.716481] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 53.737468] RSP: 002b:00007ffd5eb67b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 53.745916] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8d0af458f3 # [ 53.753888] RDX: 000000000000000a RSI: 00007f8d0ae38000 RDI: 0000000000000001 # [ 53.761857] RBP: 00007f8d0ae38000 R08: 00007f8d0ae37010 R09: 0000000000000000 # [ 53.769827] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 53.777796] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 53.785771] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 53.818412] CR2: 0000000000000000 # [ 53.822110] ---[ end trace d57bcebaeffbd9fc ]--- # [ 53.827264] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 53.831633] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 53.852619] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 53.858454] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 53.866425] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 53.874397] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 #[ 55.954036] lkdtm: Performing direct entry UNSET_SMEP [ 55.964794] lkdtm: trying to clear SMEP normally [ 55.969964] ------------[ cut here ]------------ [ 55.975129] pinned CR4 bits changed: 0x100000!? [ 55.980200] WARNING: CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 [ 55.990411] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 53.882369] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 56.016865] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 56.031730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 56.038562] RIP: 0010:native_write_cr4+0x45/0x60 [ 56.043718] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 a2 e3 01 00 75 f2 48 c7 c7 f0 9f 0c b3 c6 05 e3 a2 e3 01 01 e8 76 e0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 [ 56.064703] RSP: 0018:ffffacdd01aefe48 EFLAGS: 00010286 [ 56.070540] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 [ 56.078513] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 56.086485] RBP: ffffffffb318ab95 R08: 0000000000000000 R09: 0000000000000000 0000000000000004 # [ 53.890340] R13: ffffacdd014d7f10 R14: f[ 56.094467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b fffacdd014d7f10 R15: ffff933144e88000 # [ 53.898312] FS: 000[ 56.108653] R13: ffffacdd01aeff10 R14: ffffacdd01aeff10 R15: ffff9331440d7000 07f8d0b02f580(0000) GS:ffff9331bad00000(0000) knlGS:000000000000[ 56.122840] FS: 00007f67cdb03580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 56.138097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.144539] CR2: 00007f67cd90c000 CR3: 00000001028d0005 CR4: 00000000003706e0 [ 56.152510] Call Trace: 0000 # [ 53.907350] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 56.155252] lkdtm_UNSET_SMEP.cold+0x1d/0x103 [ 56.166333] direct_entry.cold+0x2c/0x38 [ 56.170744] full_proxy_write+0x53/0x80 [ 56.175054] vfs_write+0xe7/0x3a0 [ 56.178752] ksys_write+0x68/0xf0 [ 56.182454] do_syscall_64+0x30/0x40 [ 56.186448] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 56.192088] RIP: 0033:0x7f67cda198f3 [ 56.196080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 56.217072] RSP: 002b:00007ffee318b048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.225533] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f67cda198f3 [ 56.233506] RDX: 000000000000000b RSI: 00007f67cd90c000 RDI: 0000000000000001 [ 56.241482] RBP: 00007f67cd90c000 R08: 00007f67cd90b010 R09: 0000000000000000 [ 56.249453] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 56.257427] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 56.265405] irq event stamp: 0 [ 56.268844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 56.275849] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 56.284990] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 56.294127] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 56.301124] ---[ end trace d57bcebaeffbd9ff ]--- [ 56.306300] lkdtm: ok: SMEP did not get cleared [ 56.311359] lkdtm: trying to clear SMEP with call gadget [ 56.317298] lkdtm: ok: SMEP removal was reverted 80050033 # [ 53.913768] CR2: 0000000000000000 CR3: 00000001037f8006 CR4: 00000000003706e0 # [ 53.921740] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 53.931654] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 826, name: cat # [ 53.940004] INFO: lockdep is turned off. # [ 53.944380] irq event stamp: 0 # [ 53.947784] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 53.954785] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 53.963913] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 53.973048] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 53.980045] CPU: 2 PID: 826 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 53.988595] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 53.995403] Call Trace: # [ 53.998133] dump_stack+0x77/0x9b # [ 54.001833] ___might_sleep.cold+0xa6/0xb6 # [ 54.012618] exit_signals+0x1c/0x2e0 # [ 54.016607] do_exit+0xd5/0xb00 # [ 54.020111] ? ksys_write+0x68/0xf0 # [ 54.023996] rewind_stack_do_exit[ 56.432842] lkdtm: Performing direct entry DOUBLE_FAULT +0x17/0x20 # [ 54.028668] RIP: 0033:0x7f8d0af458f3 # [ 54.[ 56.440282] lkdtm: XFAIL: this test is ia32-only 032645] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.053629] RSP: 002b:00007ffd5eb67b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.062083] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f8d0af458f3 # [ 54.070057] RDX: 000000000000000a RSI: 00007f8d0ae38000 RDI: 0000000000000001 # [ 54.078030] RBP: 00007f8d0ae38000 R08: 00007f8d0ae37010 R09: 0000000000000000 # [ 54.086002] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 54.093965] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXCEPTION: saw 'call trace:': ok ok 5 selftests: lkdtm: EXCEPTION.sh # selftests: lkdtm: LOOP.sh # Skipping LOOP: Hangs the system ok 6 selftests: lkdtm: LOOP.sh # SKIP # selftests: lkdtm: EXHAUST_STACK.sh # Skipping EXHAUST_STACK: Corrupts memory on failure ok 7 selftests: lkdtm: EXHAUST_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK.sh # Skipping CORRUPT_STACK: Crashes entire system on success ok 8 selftests: lkdtm: CORRUPT_STACK.sh # SKIP # selftests: lkdtm: CORRUPT_STACK_STRONG.sh # Skipping CORRUPT_STACK_STRONG: Crashes entire system on success ok 9 selftests: lkdtm: CORRUPT_STACK_STRONG.sh # SKIP # selftests: lkdtm: CORRUPT_LIST_ADD.sh # [ 54.425038] lkdtm: Performing direct entry CORRUPT_LIST_ADD # [ 54.431536] lkdtm: attempting good list addition # [ 54.436759] lkdtm: attempting corrupted list addition # [ 54.442442] lkdtm: list_add() corruption not detected! # CORRUPT_LIST_ADD: missing 'list_[ 56.608040] lkdtm: Performing direct entry CORRUPT_PAC [ 56.618958] lkdtm: XFAIL: this test is arm64-only add corruption': [FAIL] not ok 10 selftests: lkdtm: CORRUPT_LIST_ADD.sh # exit=1 # selftests: lkdtm: CORRUPT_LIST_DEL.sh # [ 54.586813] lkdtm: Performing direct entry CORRUPT_LIST_DEL # [ 54.597510] lkdtm: attempting good list removal # [ 54.602587] lkdtm: attempting corrupted list removal # [ 54.608149] lkdtm: list_del() corruption not detected! # CORRUPT_LIST_DEL: missing 'list_del corruption': [FAIL] not ok 11 selftests: lkdtm: CORRUPT_LIST_DEL.sh # exit=1 # selftests: lkdtm: STACK_GUARD_PAGE_LEADING.sh # Segmentation fault # [ 54.720165] lkdtm: Performing direct entry STACK_GUARD_PAGE_LEADING # [ 54.732951] lkdtm: attempting bad read from page below current stack # [ 54.740065] BUG: stack guard page was hit at 000000007fa01854 (stack is 00000000c542a8e2..00000000a12c34bc) # [ 54.750959] kernel stack overflow (page fault): 0000 [#3] SMP PTI # [ 54.757765] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 54.772633] Hardware name: Google Rammus/[ 56.717496] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE [ 56.730885] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS Rammus, BIOS 09/04/2020 # [ 54.779432] RIP: 0010:lkdtm_STACK_GUARD_PAGE_LEADING+0x27/0x3a # [ 54.785946] Code: cc cc cc 0f 1f 44 00 00 53 48 c7 c7 f8 b3 18 b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 cf a0 fd ff 48 c7 c7 38 b4 18 b3 <8a> 43 ff 88 44 24 07 0f b6 74 24 07 5a 5b e9 b5 a0 fd ff 0f 1f 44 # [ 54.806923] RSP: 0018:ffffacdd019e7e50 EFLAGS: 00010246 # [ 54.812756] RAX: 0000000000000038 RBX: ffffacdd019e4000 RCX: 0000000000000000 # [ 54.820727] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffffffffb318b438 # [ 54.828696] RBP: ffffffffb318ab62 R08: 0000000000000000 R09: 0000000000000000 # [ 54.836664] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000019 # [ 54.844635] R13: ffffacdd019e7f10 R14: ffffacdd019e7f10 R15: ffff9331427a7000 # [ 54.852605] FS: 00007fd7192eb580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 54.861634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 54.868050] CR2: ffffacdd019e3fff CR3: 0000000104fd0001 CR4: 00000000003706e0 # [ 54.876021] Call Trace: # [ 54.878748] ? lkdtm_CORRUPT_LIST_DEL+0xe0/0xe0 # [ 54.883798] direct_entry.cold+0x2c/0x38 # [ 54.888176] full_proxy_write+0x53/0x80 # [ 54.892448] vfs_write+0xe7/0x3a0 # [ 54.896144] ksys_write+0x68/0xf0 # [ 54.899835] do_syscall_64+0x30/0x40 # [ 54.903825] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 54.909463] RIP: 0033:0x7fd7192018f3 # [ 54.913451] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 54.934424] RSP: 002b:00007ffc981e8708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 54.942878] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd7192018f3 # [ 54.950849] RDX: 0000000000000019 RSI: 00007fd7190f4000 RDI: 0000000000000001 # [ 54.958814] RBP: 00007fd7190f4000 R08: 00007fd7190f3010 R09[ 56.928246] lkdtm: Performing direct entry READ_AFTER_FREE [ 56.937259] lkdtm: Value in memory before free: 12345678 [ 56.943197] lkdtm: Attempting bad read from freed memory : 0000000000000000 # [ 54.966785] R10: fffffffffffffbc5 R11: [ 56.949135] lkdtm: Memory was not poisoned 0000000000000246 R12: 0000000000000001 # [ 54.974756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 54.982730] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.009182] ---[ end trace d57bcebaeffbd9fd ]--- # [ 55.020547] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.024914] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 55.045897] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 55.051731] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.059698] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 55.067664] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.075628] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.083592] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 55.091559] FS: 00007fd7192eb580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 55.100595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.107008] CR2: ffffacdd019e3fff CR3: 0000000104fd0001 CR4: 00000000003706e0 # [ 55.114979] BUG: sleeping function called from invalid context at include/linux/perc[ 57.105611] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE [ 57.115806] lkdtm: Value in memory before free: 12345678 [ 57.121763] lkdtm: Attempting to read from freed memory [ 57.127614] lkdtm: Buddy page was not poisoned pu-rwsem.h:49 # [ 55.124888] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1051, name: cat # [ 55.133345] INFO: lockdep is turned off. # [ 55.137719] irq event stamp: 0 # [ 55.141123] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 55.148122] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 55.157258] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 55.166382] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 55.173380] CPU: 3 PID: 1051 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 55.182027] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.188827] Call Trace: # [ 55.191552] dump_stack+0x77/0x9b # [ 55.195251] ___might_sleep.cold+0xa6/0xb6 # [ 55.199824] exit_signals+0x1c/0x2e0 # [ 55.203811] do_exit+0xd5/0xb00 # [ 55.207313] ? ksys_write+0x68/0xf0 # [ 55.211207] rewind_stack_do_exit+0x17/0x20 # [ 55.215876] RIP: 0033:0x7fd7192018f3 # [ 55.219864] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.240849] RSP: 002b:00007ffc981e8708 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.249297] RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 00007fd7192018f3 # [ 55.257264] RDX: 0000000000000019 RSI: 00007fd7190f4000 RDI: 0000000000000001 # [ 55.265244] RBP: 00007fd7190f4000 R08: 00007fd7190f3010 R09: 0000000000000000 # [ 55.273204] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000[ 57.289103] lkdtm: Performing direct entry SLAB_FREE_DOUBLE [ 57.300439] lkdtm: Attempting double slab free ... 001 # [ 55.281173] 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 # [ 55.393090] lkdtm: Performing direct entry STACK_GUARD_PAGE_TRAILING # [ 55.401954] lkdtm: attempting bad read from page above current stack # [ 55.415268] BUG: stack guard page was hit at 000000003130adf7 (stack is 0000000014fe2402..00000000b479d3ab) # [ 55.432353] kernel stack overflow (page fault): 0000 [#4] SMP PTI # [ 55.439160] CPU: 0 PID: 1084 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 55.447804] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 55.454612] RIP: 0010:lkdtm_STACK_GUARD_PAGE_TRAILING+0x27/0x3d # [ 55.461226] Code: a0 fd ff 0f 1f 44 00 00 53 48 c7 c7 70 b4 18 b3 50 65 48 8b 04 25 40 b0 01 00 48 8b 58 18 e8 95 a0 fd ff 48 c7 c7 b0 b4 18 b3 <8a> 83 00 40 00 00 88 44 24 07 0f b6 74 24 07 5a 5b e9 78 a0 fd ff # [ 55.482212] RSP: 0018:ffffacdd01a2fe50 EFLAGS: 00010246 # [ 55.488049] RAX: 0000000000000038 RBX: ffffacdd01a2c000 RCX: 0000000000000000 # [ 55.496022] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb318b4b0 # [ 55.503981] RBP: ffffffffb318ab7b R08: 0000000000000000 R09: 0000000000000000 # [ 55.511949] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001a # [ 55.519921] R13: ffffacdd01a2ff10 R14: ffffacdd01a2ff10 R15: ffff9331440f5000 # [ 55.527882] FS: 00007f8d33712580(0000) GS:ffff9331bac00000(0[ 57.456814] lkdtm: Performing direct entry SLAB_FREE_CROSS 000) knlGS:0000000000000000 # [ 55.536921] CS: 0010 DS: 0000[ 57.467407] lkdtm: Attempting cross-cache slab free ... ES: 0000 CR0: 0000000080050033 # [ 55.543337] CR2: ffffacdd01a30000 CR3: 0000000103292001 CR4: 00000000003706f0 # [ 55.551306] Call Trace: # [ 55.554035] ? lkdtm_STACK_GUARD_PAGE_LEADING+0x3a/0x3a # [ 55.559874] direct_entry.cold+0x2c/0x38 # [ 55.564254] full_proxy_write+0x53/0x80 # [ 55.568540] vfs_write+0xe7/0x3a0 # [ 55.572243] ksys_write+0x68/0xf0 # [ 55.575934] do_syscall_64+0x30/0x40 # [ 55.579922] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 55.585564] RIP: 0033:0x7f8d336288f3 # [ 55.589552] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 55.610537] RSP: 002b:00007ffe34d6dc68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 55.618993] RAX: ffffffffffffffda RBX: 000000000000001a RCX: 00007f8d336288f3 # [ 55.626964] RDX: 000000000000001a RSI: 00007f8d3351b000 RDI: 0000000000000001 # [ 55.634928] RBP: 00007f8d3351b000 R08: 00007f8d3351a010 R09: 0000000000000000 # [ 55.642896] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 55.650865] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 55.658843] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysf[ 57.610974] lkdtm: Performing direct entry SLAB_FREE_PAGE [ 57.622362] lkdtm: Attempting non-Slab slab free ... s cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 55.685291] ---[ end trace d57bcebaeffbd9fe ]--- # [ 55.690448] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 55.694826] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 55.715810] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 55.721644] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 55.729616] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 55.737584] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 55.745554] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 55.753524] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 55.761496] FS: 00007f8d33712580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 55.770537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 55.776953] CR2: ffffacdd01a30000 CR3: 0000000103292001 CR4: 00000000003706f0 # STACK_GUARD_PAGE_TRAILING: saw 'call trace:': ok ok 13 selftests: lkdtm: STACK_GUARD_PAGE_TRAILING.sh # selftests: lkdtm: UNSET_SMEP.sh # [ 55.954036] lkdtm: Performing direct entry UNSET_SMEP # [ 55.964794] lkdtm: trying to clear SMEP normally # [ 55.969964] ------------[ cut here ]------------ # [ 55.975129] pinned CR4 bits changed: 0x100000!? # [ 55.980200] WARNING: CPU: 3 PID: 1120 at arch/x86/kernel/cpu/common.c:392 native_write_cr4+0x45/0x60 # [ 55.990411] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 56.016865] CPU: 3 PID: 1120 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 56.031730] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 56.038562] RIP: 0010:native_write_cr4+0x45/0x60 # [ 56.043718] Code: 39 c2 75 2d 48 85 f6 75 05 c3 cc cc cc cc 80 3d f3 a2 e3 01 00 75 f2 48 c7 c7 f0 9f 0c b3 c6 05 e3 a2 e3 01 01 e8 76 e0 e7 00 <0f> 0b c3 cc cc cc cc 48 89 d6 48 81 e7 ff f7 ce ff 48 31 c6 48 09 # [ 56.064703] RSP: 0018:ffffacdd01aefe48 EFLAGS: 00010286 # [ 56.070540] RAX: 0000000000000000 RBX: 00000000002706e0 RCX: 0000000000000000 # [ 56.078513] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 56.086485] RBP: ffffffffb318ab95 R08: 0000000000000000 R09: 0000000000000000 # [ 56.094467] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 56.108653] R13: ffffacdd01aeff10 R14: ffffacdd01aeff10 R15: ffff9331440d7000 # [ 56.122840] FS: 00007f67cdb03580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 56.138097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 56.144539] CR2: 00007f67cd90c000 CR3: 00000001028d0005 CR4: 00000000003706e0 # [ 56.152510] Call Trace: # [ 56.155252] lkdtm_UNSET_SMEP.cold+0x1d/0x103 # [ 56.166333] direct_entry.cold+0x2c/0x38 # [ 56.170744] full_proxy_write+0x53/0x80 # [ 56.175054] vfs_write+0xe7/0x3a0 # [ 56.178752] ksys_write+0x68/0xf0 # [ 56.182454] do_syscall_64+0x30/0x40 # [ 56.186448] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 56.192088] RIP: 0033:0x7f67cda198f3 # [ 56.196080] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff [ 57.978963] lkdtm: Performing direct entry EXEC_DATA ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 56.217[ 57.987922] lkdtm: attempting ok execution at ffffffffb20dec80 072] RSP: 002b:00007ffee318b048 EFLAGS: 00000246 ORIG_RAX: 00000[ 58.000661] lkdtm: attempting bad execution at ffffffffb4a1e560 00000000001 # [ 56.225533] RAX: ffffffffffffffda RBX: 0000000[ 58.013485] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.028049] BUG: unable to handle page fault for address: ffffffffb4a1e560 [ 58.035719] #PF: supervisor instruction fetch in kernel mode [ 58.042034] #PF: error_code(0x0011) - permissions violation [ 58.048253] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 800000016ac000e3 00000000b RCX: 00007f67cda198f3 # [ 56.233506] RDX: 000000000[ 58.056034] Oops: 0011 [#5] SMP PTI [ 58.066139] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 58.074789] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.081591] RIP: 0010:data_area+0x0/0x40 [ 58.085969] Code: ff ff 00 62 45 44 31 93 ff ff 00 61 45 44 31 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 [ 58.106953] RSP: 0018:ffffacdd0229fe48 EFLAGS: 00010246 [ 58.112787] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.120755] RDX: 0000000000000000 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 [ 58.128724] RBP: ffffffffb4a1e560 R08: 0000000000000000 R09: 0000000000000000 [ 58.136691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 58.144658] R13: ffffacdd0229ff10 R14: ffffacdd0229ff10 R15: ffff9331457d6000 [ 58.152625] FS: 00007f9c3ef3e580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 58.161661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.168066] CR2: ffffffffb4a1e560 CR3: 0000000105cfa004 CR4: 00000000003706e0 [ 58.176035] Call Trace: [ 58.178762] ? execute_location+0x45/0x56 000000b RSI: 00007f67cd90c000 RDI: 0000000000000001 # [ 56.24[ 58.183249] ? direct_entry.cold+0x2c/0x38 [ 58.194032] ? full_proxy_write+0x53/0x80 [ 58.198507] ? vfs_write+0xe7/0x3a0 [ 58.202399] ? ksys_write+0x68/0xf0 [ 58.206300] ? do_syscall_64+0x30/0x40 [ 58.210481] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 1482] RBP: 00007f67cd90c000 R08: 00007f67cd90b010 R09: 000000000[ 58.216313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.248944] CR2: ffffffffb4a1e560 [ 58.252641] ---[ end trace d57bcebaeffbda00 ]--- [ 58.257785] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.262152] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 58.283131] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 58.288965] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.296933] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 58.304900] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 58.312866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 58.320832] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 58.328797] FS: 00007f9c3ef3e580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 58.337831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.344250] CR2: ffffffffb4a1e560 CR3: 0000000105cfa004 CR4: 00000000003706e0 [ 58.352216] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 58.362148] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat [ 58.370602] INFO: lockdep is turned off. [ 58.374969] irq event stamp: 0 [ 58.378374] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 58.385371] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 58.394497] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 58.403633] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 58.410629] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 58.419266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.426067] Call Trace: [ 58.428796] dump_stack+0x77/0x9b 0000000 # [ 56.249453] R10: fffffffffffffbc5 R11: 00000000000[ 58.432497] ___might_sleep.cold+0xa6/0xb6 [ 58.443293] exit_signals+0x1c/0x2e0 00246 R12: 0000000000000001 # [ 56.257427] R13: 0000000000000[ 58.447302] do_exit+0xd5/0xb00 [ 58.457017] ? ksys_write+0x68/0xf0 [ 58.460900] rewind_stack_do_exit+0x17/0x20 [ 58.465567] RIP: 0033:0x7f9c3ee548f3 [ 58.469555] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 58.490522] RSP: 002b:00007ffc48b39d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 58.498976] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c3ee548f3 [ 58.506941] RDX: 000000000000000a RSI: 00007f9c3ed47000 RDI: 0000000000000001 [ 58.514908] RBP: 00007f9c3ed47000 R08: 00007f9c3ed46010 R09: 0000000000000000 [ 58.522875] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 58.530842] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 001 R14: 0000000000020000 R15: 0000000000020000 # [ 56.265405] irq event stamp: 0 # [ 56.268844] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 56.275849] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 56.284990] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 56.294127] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 56.301124] ---[ end trace d57bcebaeffbd9ff ]--- # [ 56.306300] lkdtm: ok: SMEP did not get cleared # [ 56.311359] lkdtm: trying to clear SMEP with call gadget # [ 56.317298] 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 # [ 56.432842] lkdtm: Performing direct entry DOUBLE_FAULT # [ 56.440282] 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 # [ 56.608040] lkdtm: Performing direct entry CORRUPT_PAC # [ 56.618958] 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 # [ 56.717496] lkdtm: Performing direct entry UNALIGNED_LOAD_STORE_WRITE # [ 56.730885] lkdtm: XFAIL: arch has CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS # UNALIGNED_LOAD_STORE_WRITE: saw 'XFAIL': [SKIP] ok 17 selftests: lkdtm: UNALIGNED_LOAD_STORE_WRITE.sh # SKIP # selftests: lkdtm: OVERWRITE_ALLOCATION.sh # Skipping OVERWRITE_ALLOCATION: Corrupts memory on failure ok 18 selftests: lkdtm: OVERWRITE_ALLOCATION.sh # SKIP # selftests: lkdtm: WRITE_AFTER_FREE.sh # Skipping WRITE_AFTER_FREE: Corrupts memory on fail[ 58.707811] lkdtm: Performing direct entry EXEC_STACK ure ok 19 selftests: lkdtm: WRITE_AFTER_FREE.sh # SKIP # selft[ 58.718491] lkdtm: attempting ok execution at ffffffffb20dec80 ests: lkdtm: READ_AFTER_FREE.sh # [ 56.928246] lkdtm: Perform[ 58.731238] lkdtm: attempting bad execution at ffffacdd0222fe18 ing direct entry READ_AFTER_FREE # [ 56.937259] lkdtm: Value [ 58.744059] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 58.758611] BUG: unable to handle page fault for address: ffffacdd0222fe18 [ 58.766296] #PF: supervisor instruction fetch in kernel mode [ 58.772615] #PF: error_code(0x0011) - permissions violation [ 58.778834] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10349f067 PTE 80000001057d3063 [ 58.787877] Oops: 0011 [#6] SMP PTI [ 58.791767] CPU: 0 PID: 1663 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 58.800413] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 58.807215] RIP: 0010:0xffffacdd0222fe18 [ 58.811589] Code: 00 00 18 fe 22 02 dd ac ff ff 59 e5 76 b2 ff ff ff ff 20 00 00 00 00 00 00 00 be ac 18 b3 ff ff ff ff 88 e6 76 b2 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 [ 58.832566] RSP: 0018:ffffacdd0222fdf8 EFLAGS: 00010246 [ 58.838396] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 58.846363] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 [ 58.854329] RBP: ffffacdd0222fe18 R08: 0000000000000000 R09: 0000000000000000 [ 58.862300] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b [ 58.870257] R13: ffffacdd0222ff10 R14: ffffacdd0222ff10 R15: ffff93314386e000 [ 58.878244] FS: 00007f4bfd93d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 58.887279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.893691] CR2: ffffacdd0222fe18 CR3: 0000000103f26004 CR4: 00000000003706f0 [ 58.901658] Call Trace: [ 58.904384] ? execute_location+0x45/0x56 [ 58.908862] ? lkdtm_EXEC_STACK+0x26/0x44 [ 58.913336] ? direct_entry.cold+0x2c/0x38 [ 58.917907] ? full_proxy_write+0x53/0x80 [ 58.922380] ? vfs_write+0xe7/0x3a0 [ 58.926272] ? ksys_write+0x68/0xf0 [ 58.930162] ? do_syscall_64+0x30/0x40 [ 58.934345] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 58.940179] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 58.966609] CR2: ffffacdd0222fe18 [ 58.970305] ---[ end trace d57bcebaeffbda01 ]--- [ 58.975458] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 58.979832] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 59.000805] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 59.006637] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.014604] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 59.022571] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 59.030539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.038505] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 59.046471] FS: 00007f4bfd93d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 59.055506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.061917] CR2: ffffacdd0222fe18 CR3: 0000000103f26004 CR4: 00000000003706f0 in memory before free: 12345678 # [ 56.943197] lkdtm: Attempting bad read from freed memory # [ 56.949135] 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 # [ 57.105611] lkdtm: Performing direct entry READ_BUDDY_AFTER_FREE # [ 57.115806] lkdtm: Value in memory before free: 12345678 # [ 57.121763] lkdtm: Attempting to read from freed memory # [ 57.127614] lkdtm: Buddy page was not poisoned # READ_BUDDY_AFTER_FREE: missing 'call trace:': [FAIL] not ok 22 selftests: lkdtm: READ_BUDDY_AFTER_FREE.sh # exit=1 # selftests: lkdtm: SLAB_FREE_DOUBLE.sh # [ 57.289103] lkdtm: Performing direct entry SLAB_FREE_DOUBLE # [ 57.300439] 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 # [ 57.456814] lkdtm: Performing direct entry SLAB_FREE_CROSS # [ 57.467407] 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 # [ 57.610974] lkdtm: Performing direct entry SLAB_FREE_PAGE # [ 57.622362] 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 # [ 57.978963] lkdtm: Performing direct entry EXEC_DATA # [ 57.987922] lkdtm: attempting ok execution at ffffffffb20dec80 # [ 58.000661] lkdtm: attempting bad execution at ffffffffb4a[ 59.294646] lkdtm: Performing direct entry EXEC_KMALLOC [ 59.305834] lkdtm: attempting ok execution at ffffffffb20dec80 [ 59.312364] lkdtm: attempting bad execution at ffff9331454df740 [ 59.318989] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 59.327354] BUG: unable to handle page fault for address: ffff9331454df740 [ 59.335032] #PF: supervisor instruction fetch in kernel mode [ 59.341351] #PF: error_code(0x0011) - permissions violation [ 59.347572] PGD 16ae01067 P4D 16ae01067 PUD 100858063 PMD 1054ae063 PTE 80000001054df063 [ 59.356613] Oops: 0011 [#7] SMP PTI [ 59.360496] CPU: 1 PID: 1699 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 59.369135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.375941] RIP: 0010:0xffff9331454df740 [ 59.380310] Code: 00 00 02 00 00 00 00 00 00 00 00 f1 4d 45 31 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 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 [ 59.401296] RSP: 0018:ffffacdd023efe38 EFLAGS: 00010246 [ 59.407132] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.415094] RDX: 0000000000000000 RSI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 [ 59.423055] RBP: ffff9331454df740 R08: 0000000000000000 R09: 0000000000000000 [ 59.431023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 59.438992] R13: ffffacdd023eff10 R14: ffffacdd023eff10 R15: ffff933145ca3000 [ 59.446964] FS: 00007f400d57e580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 [ 59.456003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.462418] CR2: ffff9331454df740 CR3: 0000000103256003 CR4: 00000000003706e0 [ 59.470388] Call Trace: [ 59.473117] ? execute_location+0x45/0x56 [ 59.477593] ? lkdtm_EXEC_KMALLOC+0x2c/0x40 [ 59.482261] ? direct_entry.cold+0x2c/0x38 [ 59.486824] ? full_proxy_write+0x53/0x80 [ 59.491303] ? vfs_write+0xe7/0x3a0 [ 59.495196] ? ksys_write+0x68/0xf0 [ 59.499089] ? do_syscall_64+0x30/0x40 [ 59.503273] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 59.509111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 1e560 # [ 58.013485] kernel tried to execute NX-protected pag[ 59.535560] CR2: ffff9331454df740 [ 59.545469] ---[ end trace d57bcebaeffbda02 ]--- [ 59.550621] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 59.554989] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 59.575957] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 59.581791] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 59.589756] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 59.597725] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 59.605690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 59.613658] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 59.621627] FS: 00007f400d57e580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 [ 59.630653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.637068] CR2: ffff9331454df740 CR3: 0000000103256003 CR4: 00000000003706e0 [ 59.645037] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 59.654945] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1699, name: cat [ 59.663398] INFO: lockdep is turned off. [ 59.667771] irq event stamp: 0 [ 59.671174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 59.678173] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 59.687299] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 59.696429] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 59.703425] CPU: 1 PID: 1699 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 59.712071] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 59.718870] Call Trace: [ 59.721598] dump_stack+0x77/0x9b [ 59.725306] ___might_sleep.cold+0xa6/0xb6 [ 59.729876] exit_signals+0x1c/0x2e0 [ 59.733854] do_exit+0xd5/0xb00 [ 59.737357] ? ksys_write+0x68/0xf0 [ 59.741248] rewind_stack_do_exit+0x17/0x20 [ 59.745914] RIP: 0033:0x7f400d4948f3 [ 59.749900] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 59.770876] RSP: 002b:00007ffec99a9778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 59.779320] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f400d4948f3 [ 59.787302] RDX: 000000000000000d RSI: 00007f400d387000 RDI: 0000000000000001 [ 59.795269] RBP: 00007f400d387000 R08: 00007f400d386010 R09: 0000000000000000 [ 59.803243] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 59.811210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e - exploit attempt? (uid: 0) # [ 58.028049] BUG: unable to handle page fault for address: ffffffffb4a1e560 # [ 58.035719] #PF: supervisor instruction fetch in kernel mode # [ 58.042034] #PF: error_code(0x0011) - permissions violation # [ 58.048253] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 800000016ac000e3 # [ 58.056034] Oops: 0011 [#5] SMP PTI # [ 58.066139] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 58.074789] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.081591] RIP: 0010:data_area+0x0/0x40 # [ 58.085969] Code: ff ff 00 62 45 44 31 93 ff ff 00 61 45 44 31 93 ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <0f> 1f 44 00 00 c3 cc cc cc cc 66 0f 1f 44 00 00 0f 1f 44 00 00 55 # [ 58.106953] RSP: 0018:ffffacdd0229fe48 EFLAGS: 00010246 # [ 58.112787] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.120755] RDX: 0000000000000000 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 58.128724] RBP: ffffffffb4a1e560 R08: 0000000000000000 R09: 0000000000000000 # [ 58.136691] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a # [ 58.144658] R13:[ 59.935272] lkdtm: Performing direct entry EXEC_VMALLOC ffffacdd0229ff10 R14: ffffacdd0229ff10 R15: ffff9331457d6000 #[ 59.943206] lkdtm: attempting ok execution at ffffffffb20dec80 [ 58.152625] FS: 00007f9c3ef3e580(0000) GS:ffff9331bad00000([ 59.955908] lkdtm: attempting bad execution at ffffacdd00667000 0000) knlGS:0000000000000000 # [ 58.161661] CS: 0010 DS: 000[ 59.968768] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 59.983292] BUG: unable to handle page fault for address: ffffacdd00667000 [ 59.990960] #PF: supervisor instruction fetch in kernel mode [ 59.997295] #PF: error_code(0x0011) - permissions violation [ 60.003517] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104d34067 PTE 8000000103167063 [ 60.012587] Oops: 0011 [#8] SMP PTI [ 60.016477] CPU: 0 PID: 1735 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 60.025118] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.031924] RIP: 0010:0xffffacdd00667000 [ 60.036304] Code: Unable to access opcode bytes at RIP 0xffffacdd00666fd6. [ 60.043981] RSP: 0018:ffffacdd02447e38 EFLAGS: 00010246 [ 60.049813] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.057781] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 [ 60.065748] RBP: ffffacdd00667000 R08: 0000000000000000 R09: 0000000000000000 [ 60.073716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d [ 60.081684] R13: ffffacdd02447f10 R14: ffffacdd02447f10 R15: ffff933143167000 [ 60.089653] FS: 00007f9f4a0ef580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 60.098681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.105095] CR2: ffffacdd00666fd6 CR3: 0000000104e3e003 CR4: 00000000003706f0 [ 60.113063] Call Trace: [ 60.115793] ? execute_location+0x45/0x56 [ 60.120275] ? lkdtm_EXEC_VMALLOC+0x20/0x30 [ 60.124950] ? direct_entry.cold+0x2c/0x38 [ 60.129525] ? full_proxy_write+0x53/0x80 [ 60.134008] ? vfs_write+0xe7/0x3a0 [ 60.137908] ? ksys_write+0x68/0xf0 [ 60.141801] ? do_syscall_64+0x30/0x40 [ 60.145984] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 60.151823] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.178267] CR2: ffffacdd00667000 [ 60.181963] ---[ end trace d57bcebaeffbda03 ]--- [ 60.187109] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.191478] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 60.212464] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 60.218290] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.226260] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 60.234228] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 60.242197] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.250165] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 60.258137] FS: 00007f9f4a0ef580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 60.267175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.273593] CR2: ffffacdd00666fd6 CR3: 0000000104e3e003 CR4: 00000000003706f0 0 ES: 0000 CR0: 0000000080050033 # [ 58.168066] CR2: ffffffffb4a1e560 CR3: 0000000105cfa004 CR4: 00000000003706e0 # [ 58.176035] Call Trace: # [ 58.178762] ? execute_location+0x45/0x56 # [ 58.183249] ? direct_entry.cold+0x2c/0x38 # [ 58.194032] ? full_proxy_write+0x53/0x80 # [ 58.198507] ? vfs_write+0xe7/0x3a0 # [ 58.202399] ? ksys_write+0x68/0xf0 # [ 58.206300] ? do_syscall_64+0x30/0x40 # [ 58.210481] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 58.216313] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.248944] CR2: ffffffffb4a1e560 # [ 58.252641] ---[ end trace d57bcebaeffbda00 ]--- # [ 58.257785] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.262152] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 58.283131] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 58.288965] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.296933] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 58.304900] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 58.312866] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 58.320832] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 58.328797] FS: 00007f9c3ef3e580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 58.337831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.344250] CR2: fffffff[ 60.452623] lkdtm: Performing direct entry EXEC_RODATA fb4a1e560 CR3: 0000000105cfa004 CR4: 00000000003706e0 # [ 58.[ 60.461359] lkdtm: attempting ok execution at ffffffffb20dec80 352216] BUG: sleeping function called from invalid context at in[ 60.474105] lkdtm: attempting bad execution at ffffffffb2d9b320 clude/linux/percpu-rwsem.h:49 # [ 58.362148] in_atomic(): 0, [ 60.486924] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) [ 60.501489] BUG: unable to handle page fault for address: ffffffffb2d9b320 [ 60.509159] #PF: supervisor instruction fetch in kernel mode [ 60.515467] #PF: error_code(0x0011) - permissions violation [ 60.521688] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 8000000168e000e1 irqs_disabled(): 1, non_block: 0, pid: 1627, name: cat # [ 58[ 60.529464] Oops: 0011 [#9] SMP PTI [ 60.539565] CPU: 2 PID: 1771 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 60.548213] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 60.555010] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 .370602] INFO: lockdep is turned off. # [ 58.374969] irq even[ 60.560745] Code: ff ff f8 fa 76 b2 ff ff ff ff 0a af 18 b3 ff ff ff ff 3e e2 76 b2 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 [ 60.587932] RSP: 0018:ffffacdd024e7e48 EFLAGS: 00010246 [ 60.593763] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 60.601729] RDX: 0000000000000000 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 [ 60.609695] RBP: ffffffffb2d9b320 R08: 0000000000000000 R09: 0000000000000000 [ 60.617661] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 60.625627] R13: ffffacdd024e7f10 R14: ffffacdd024e7f10 R15: ffff9331438f2000 [ 60.633595] FS: 00007fac268e7580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 60.642622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.649037] CR2: ffffffffb2d9b320 CR3: 00000001034e4002 CR4: 00000000003706e0 [ 60.657004] Call Trace: [ 60.659731] ? execute_location+0x45/0x56 t stamp: 0 # [ 58.378374] hardirqs last enabled at (0): [<00[ 60.664204] ? direct_entry.cold+0x2c/0x38 [ 60.674986] ? full_proxy_write+0x53/0x80 [ 60.679461] ? vfs_write+0xe7/0x3a0 [ 60.683353] ? ksys_write+0x68/0xf0 [ 60.687248] ? do_syscall_64+0x30/0x40 [ 60.691432] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 00000000000000>] 0x0 # [ 58.385371] hardirqs last disabled at[ 60.697267] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.729898] CR2: ffffffffb2d9b320 [ 60.733594] ---[ end trace d57bcebaeffbda04 ]--- [ 60.738748] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 60.743114] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 60.764092] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 60.769922] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 60.777887] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 60.785851] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 60.793819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 60.801783] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 60.809752] FS: 00007fac268e7580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 60.818786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.825201] CR2: ffffffffb2d9b320 CR3: 00000001034e4002 CR4: 00000000003706e0 (0): [] copy_process+0x640/0x1c80 # [ 58.394497] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 58.403633] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 58.410629] CPU: 2 PID: 1627 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 58.419266] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.426067] Call Trace: # [ 58.428796] dump_stack+0x77/0x9b # [ 58.432497] ___might_sleep.cold+0xa6/0xb6 # [ 58.443293] exit_signals+0x1c/0x2e0 # [ 58.447302] do_exit+0xd5/0xb00 # [ 58.457017] ? ksys_write+0x68/0xf0 # [ 58.460900] rewind_stack_do_exit+0x17/0x20 # [ 58.465567] RIP: 0033:0x7f9c3ee548f3 # [ 58.469555] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 58.490522] RSP: 002b:00007ffc48b39d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 58.498976] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f9c3ee548f3 # [ 58.506941] RDX: 000000000000000a RSI: 00007f9c3ed47000 RDI: 0000000000000001 # [ 58.514908] RBP: 00007f9c3ed47000 R08: 00007f9c3ed46010 R09: 0000000000000000 # [ 58.522875] R10: fffffffffffffbc5 R11: 0000000000000246 R1[ 60.961600] lkdtm: Performing direct entry EXEC_USERSPACE 2: 0000000000000001 # [ 58.530842] R13: 0000000000000001 R14:[ 60.969794] lkdtm: attempting ok execution at ffffffffb20dec80 0000000000020000 R15: 0000000000020000 # EXEC_DATA: saw 'call [ 60.982560] lkdtm: attempting bad execution at 00007f98edd7d000 trace:': ok ok 30 selftests: lkdtm: EXEC_DATA.sh # selftests: [ 60.995338] unable to execute userspace code (SMEP?) (uid: 0) [ 61.007950] BUG: unable to handle page fault for address: 00007f98edd7d000 [ 61.015629] #PF: supervisor instruction fetch in kernel mode [ 61.021949] #PF: error_code(0x0011) - permissions violation [ 61.028168] PGD 800000010300c067 P4D 800000010300c067 PUD 103305067 PMD 103304067 PTE 114f66067 [ 61.037893] Oops: 0011 [#10] SMP PTI [ 61.041882] CPU: 0 PID: 1807 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 61.050528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.057333] RIP: 0010:0x7f98edd7d000 [ 61.061320] Code: Unable to access opcode bytes at RIP 0x7f98edd7cfd6. [ 61.068612] RSP: 0018:ffffacdd02577e50 EFLAGS: 00010246 [ 61.074444] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 [ 61.082417] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 [ 61.090388] RBP: 00007f98edd7d000 R08: 0000000000000000 R09: 0000000000000000 [ 61.098359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000f [ 61.106328] R13: ffffacdd02577f10 R14: ffffacdd02577f10 R15: ffff93314317d000 [ 61.114300] FS: 00007f98edd4e580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 61.123340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.129750] CR2: 00007f98edd7d000 CR3: 0000000104e44005 CR4: 00000000003706f0 [ 61.137720] Call Trace: [ 61.140450] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae [ 61.145805] ? direct_entry.cold+0x2c/0x38 [ 61.150380] ? full_proxy_write+0x53/0x80 [ 61.154863] ? vfs_write+0xe7/0x3a0 [ 61.158762] ? ksys_write+0x68/0xf0 [ 61.162654] ? do_syscall_64+0x30/0x40 [ 61.166829] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.172658] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.199100] CR2: 00007f98edd7d000 [ 61.202789] ---[ end trace d57bcebaeffbda05 ]--- [ 61.207942] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.212320] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 61.233303] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 61.239136] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.247105] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 61.255078] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 61.263045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 61.271012] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 61.278986] FS: 00007f98edd4e580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 61.288018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.294423] CR2: 00007f98edd7d000 CR3: 0000000104e44005 CR4: 00000000003706f0 [ 61.302389] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 61.312292] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1807, name: cat [ 61.320740] INFO: lockdep is turned off. [ 61.325118] irq event stamp: 0 [ 61.328524] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 61.335524] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 61.344654] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 61.353788] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 61.360785] CPU: 0 PID: 1807 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 61.369428] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.376235] Call Trace: [ 61.378965] dump_stack+0x77/0x9b [ 61.382669] ___might_sleep.cold+0xa6/0xb6 [ 61.387246] exit_signals+0x1c/0x2e0 [ 61.391236] do_exit+0xd5/0xb00 [ 61.394742] ? ksys_write+0x68/0xf0 [ 61.398637] rewind_stack_do_exit+0x17/0x20 [ 61.403312] RIP: 0033:0x7f98edc648f3 [ 61.407300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.428287] RSP: 002b:00007ffd9e6ef4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.436739] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f98edc648f3 [ 61.444709] RDX: 000000000000000f RSI: 00007f98edb57000 RDI: 0000000000000001 [ 61.452679] RBP: 00007f98edb57000 R08: 00007f98edb56010 R09: 0000000000000000 [ 61.460644] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.468614] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 lkdtm: EXEC_STACK.sh # Killed # [ 58.707811] lkdtm: Performing direct entry EXEC_STACK # [ 58.718491] lkdtm: attempting ok execution at ffffffffb20dec80 # [ 58.731238] lkdtm: attempting bad execution at ffffacdd0222fe18 # [ 58.744059] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 58.758611] BUG: unable to handle page fault for address: ffffacdd0222fe18 # [ 58.766296] #PF: supervisor instruction fetch in kernel mode # [ 58.772615] #PF: error_code(0x0011) - permissions violation # [ 58.778834] PGD 100000067 P4D 100000067 PUD 100211067 PMD 10349f067 PTE 80000001057d3063 # [ 58.787877] Oops: 0011 [#6] SMP PTI # [ 58.791767] CPU: 0 PID: 1663 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 58.800413] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 58.807215] RIP: 0010:0xffffacdd0222fe18 # [ 58.811589] Code: 00 00 18 fe 22 02 dd ac ff ff 59 e5 76 b2 ff ff ff ff 20 00 00 00 00 00 00 00 be ac 18 b3 ff ff ff ff 88 e6 76 b2 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 # [ 58.832566] RSP: 0018:ffffacdd0222fdf8 EFLAGS: 00010246 # [ 58.838396] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 58.846363] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 # [ 58.854329] RBP: ffffacdd0222fe18 R08: 0000000000000000 R09: 0000000000000000 # [ 58.862300] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000b # [ 58.870257] R13: ffffacdd0222ff10 R14: ffffacdd0222ff10 R15: ffff93314386e000 # [ 58.878244] FS: 00007f4bfd93d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 58.887279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 58.893691] CR2: ffffacdd0222fe18 CR3: 0000000103f26004 CR4: 00000000003706f0 # [ 58.901658] Call Trace: # [ 58.904384] ? execute_location+0x45/0x56 # [ 58.908862] ? lkdtm_EXEC_STACK+0x26/0x44 # [ 58.913336] ? direct_entry.cold+0x2c/0x38 # [ 58.917907] ? full_proxy_write+0x53/0x80 # [ 58.922380] ? vfs_write+0xe7/0x3a0 # [ 58.926272] ? ksys_write+0x68/0xf0 # [ 58.930162] ? do_syscall_64+0x30/0x40 # [ 58.934345] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6[ 61.692160] lkdtm: Performing direct entry EXEC_NULL [ 61.699698] lkdtm: attempting ok execution at ffffffffb20dec80 [ 61.706232] lkdtm: attempting bad execution at 0000000000000000 [ 61.712879] BUG: kernel NULL pointer dereference, address: 0000000000000000 # [ 58.940179] Modules linked in: fuse ip_tables cros_ec_sens[ 61.720660] #PF: supervisor instruction fetch in kernel mode [ 61.733188] #PF: error_code(0x0010) - not-present page [ 61.738923] PGD 0 P4D 0 [ 61.741746] Oops: 0010 [#11] SMP PTI [ 61.745735] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 61.754370] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 61.761172] RIP: 0010:0x0 [ 61.764090] Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. [ 61.771766] RSP: 0018:ffffacdd0260fe48 EFLAGS: 00010246 [ 61.777590] RAX: 0000000000000033 RBX: 0000000000000000 RCX: 0000000000000000 [ 61.785556] RDX: 0000000000000000 RSI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 [ 61.793523] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 61.801489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000a [ 61.809456] R13: ffffacdd0260ff10 R14: ffffacdd0260ff10 R15: ffff9331433d7000 [ 61.817422] FS: 00007fecb3adc580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 [ 61.826456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.832870] CR2: ffffffffffffffd6 CR3: 00000001036ce006 CR4: 00000000003706e0 [ 61.840837] Call Trace: [ 61.843564] execute_location+0x45/0x56 [ 61.847843] direct_entry.cold+0x2c/0x38 [ 61.852236] full_proxy_write+0x53/0x80 ors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf[ 61.856524] vfs_write+0xe7/0x3a0 [ 61.866429] ksys_write+0x68/0xf0 [ 61.870125] do_syscall_64+0x30/0x40 [ 61.874112] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 61.879740] RIP: 0033:0x7fecb39f28f3 [ 61.883727] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.904696] RSP: 002b:00007ffe8bef2fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.913146] RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007fecb39f28f3 [ 61.921112] RDX: 000000000000000a RSI: 00007fecb38e5000 RDI: 0000000000000001 [ 61.929076] RBP: 00007fecb38e5000 R08: 00007fecb38e4010 R09: 0000000000000000 [ 61.937043] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.945010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cro[ 61.952982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 61.985608] CR2: 0000000000000000 [ 61.989304] ---[ end trace d57bcebaeffbda06 ]--- [ 61.994455] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 61.998823] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 62.019789] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 62.025619] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.033585] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 62.041551] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 62.049518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.057484] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 62.065452] FS: 00007fecb3adc580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 [ 62.074485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.080898] CR2: ffffffffffffffd6 CR3: 00000001036ce006 CR4: 00000000003706e0 s_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 58.966609] CR2: ffffacdd0222fe18 # [ 58.970305] ---[ end trace d57bcebaeffbda01 ]--- # [ 58.975458] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 58.979832] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 59.000805] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 59.006637] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.014604] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 59.022571] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.030539] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.038505] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 59.046471] FS: 00007f4bfd93d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 59.055506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.061917] CR2: ffffacdd0222fe18 CR3: 0000000103f26004 CR4: 00000000003706f0 # EXEC_STACK: saw 'call trace:': ok ok 31 selftests: lkdtm: EXEC_STACK.sh # selftests: lkdtm: EXEC_KMALLOC.sh # Killed # [ 59.294646] lkdtm: Performing direct entry EXEC_KMALLOC # [ 59.305834] lkdtm: attempting ok execution at ffffffffb20dec80 # [ 59.312364] lkdtm: attempting bad execution at ffff9331454df740 # [ 59.318989] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 59.327354][ 62.241197] lkdtm: Performing direct entry ACCESS_USERSPACE BUG: unable to handle page fault for address: ffff9331454df740[ 62.250560] lkdtm: attempting bad read at 00007fad14949000 # [ 59.335032] #PF: supervisor instruction fetch in kernel mo[ 62.262884] BUG: unable to handle page fault for address: 00007fad14949000 [ 62.276755] #PF: supervisor read access in kernel mode [ 62.282490] #PF: error_code(0x0001) - permissions violation [ 62.288710] PGD 8000000102772067 P4D 8000000102772067 PUD 105661067 PMD 103669067 PTE 114f73067 [ 62.298436] Oops: 0001 [#12] SMP PTI [ 62.302413] CPU: 0 PID: 1878 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 62.311062] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.317860] RIP: 0010:lkdtm_ACCESS_USERSPACE.cold+0x41/0xa3 [ 62.324087] Code: 00 00 00 75 64 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 28 bc 18 b3 e8 09 9a fd ff 48 c7 c7 50 bc 18 b3 b8 de c0 de c0 <48> 03 45 00 48 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 78 bc 18 [ 62.345068] RSP: 0018:ffffacdd02687e48 EFLAGS: 00010246 [ 62.350900] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 0000000000000000 [ 62.358860] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb318bc50 [ 62.366831] RBP: 00007fad14949000 R08: 0000000000000000 R09: 0000000000000000 [ 62.374799] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011 [ 62.382767] R13: ffffacdd02687f10 R14: ffffacdd02687f10 R15: ffff933143313000 [ 62.390736] FS: 00007fad1491a580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 62.399764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.406178] CR2: 00007fad14949000 CR3: 0000000103670005 CR4: 00000000003706f0 [ 62.414146] Call Trace: [ 62.416874] direct_entry.cold+0x2c/0x38 [ 62.421258] full_proxy_write+0x53/0x80 [ 62.425544] vfs_write+0xe7/0x3a0 [ 62.429247] ksys_write+0x68/0xf0 [ 62.432935] do_syscall_64+0x30/0x40 [ 62.436925] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 62.442560] RIP: 0033:0x7fad148308f3 [ 62.446549] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.467520] RSP: 002b:00007ffc510c0ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.475975] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fad148308f3 [ 62.483943] RDX: 0000000000000011 RSI: 00007fad14723000 RDI: 0000000000000001 [ 62.491910] RBP: 00007fad14723000 R08: 00007fad14722010 R09: 0000000000000000 [ 62.499876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.507844] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 62.515816] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 62.542253] CR2: 00007fad14949000 [ 62.545950] ---[ end trace d57bcebaeffbda07 ]--- [ 62.551106] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 62.555484] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 62.576468] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 62.582302] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 62.590271] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 62.598241] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 62.606209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 62.614176] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 62.622146] FS: 00007fad1491a580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 62.631182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.637597] CR2: 00007fad14949000 CR3: 0000000103670005 CR4: 00000000003706f0 [ 62.645565] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 62.655477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1878, name: cat [ 62.663932] INFO: lockdep is turned off. [ 62.668309] irq event stamp: 0 [ 62.671715] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 62.678705] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 62.687837] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 62.696971] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 62.703967] CPU: 0 PID: 1878 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 62.712615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 62.719419] Call Trace: [ 62.722147] dump_stack+0x77/0x9b [ 62.725847] ___might_sleep.cold+0xa6/0xb6 [ 62.730419] exit_signals+0x1c/0x2e0 [ 62.734407] do_exit+0xd5/0xb00 [ 62.737901] ? ksys_write+0x68/0xf0 [ 62.741794] rewind_stack_do_exit+0x17/0x20 [ 62.746465] RIP: 0033:0x7fad148308f3 [ 62.750451] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 62.771429] RSP: 002b:00007ffc510c0ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.779881] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fad148308f3 [ 62.787849] RDX: 0000000000000011 RSI: 00007fad14723000 RDI: 0000000000000001 [ 62.795819] RBP: 00007fad14723000 R08: 00007fad14722010 R09: 0000000000000000 [ 62.803788] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 62.811756] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 de # [ 59.341351] #PF: error_code(0x0011) - permissions violation # [ 59.347572] PGD 16ae01067 P4D 16ae01067 PUD 100858063 PMD 1054ae063 PTE 80000001054df063 # [ 59.356613] Oops: 0011 [#7] SMP PTI # [ 59.360496] CPU: 1 PID: 1699 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 59.369135] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.375941] RIP: 0010:0xffff9331454df740 # [ 59.380310] Code: 00 00 02 00 00 00 00 00 00 00 00 f1 4d 45 31 93 ff ff 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1b 24 90 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 # [ 59.401296] RSP: 0018:ffffacdd023efe38 EFLAGS: 00010246 # [ 59.407132] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.415094] RDX: 0000000000000000 RSI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 # [ 59.423055] RBP: ffff9331454df740 R08: 0000000000000000 R09: 0000000000000000 # [ 59.431023] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 59.438992] R13: ffffacdd023eff10 R14: ffffacdd023eff10 R15: ffff933145ca3000 # [ 59.446964] FS: 00007f400d57e580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 # [ 59.456003] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.462418] CR2: ffff9331454df740 CR3: 0000000103256003 CR4: 00000000003706e0 # [ 59.470388] Call Trace: # [ 59.47311[ 62.955986] lkdtm: Performing direct entry ACCESS_NULL [ 62.962257] lkdtm: attempting bad read at 0000000000000000 [ 62.968440] BUG: kernel NULL pointer dereference, address: 0000000000000000 7] ? execute_location+0x45/0x56 # [ 59.477593] ? lkdtm_EXEC[ 62.976242] #PF: supervisor read access in kernel mode [ 62.988194] #PF: error_code(0x0000) - not-present page [ 62.993933] PGD 0 P4D 0 _KMALLOC+0x2c/0x40 # [ 59.482261] ? direct_entry.cold+0x2c/0[ 62.996760] Oops: 0000 [#13] SMP PTI [ 63.006964] CPU: 3 PID: 1913 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 63.015615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.022422] RIP: 0010:lkdtm_ACCESS_NULL+0x14/0x53 [ 63.027673] Code: ad 99 fd ff be 00 10 00 00 48 89 ef e8 9d 89 39 ff e9 69 ff ff ff 0f 1f 44 00 00 53 31 f6 48 c7 c7 28 bc 18 b3 e8 87 99 fd ff <48> 8b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 bc 18 b3 48 01 [ 63.048655] RSP: 0018:ffffacdd02727e58 EFLAGS: 00010246 [ 63.054486] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 [ 63.062453] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 63.070418] RBP: ffffffffb318ad19 R08: 0000000000000000 R09: 0000000000000000 [ 63.078385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c [ 63.086353] R13: ffffacdd02727f10 R14: ffffacdd02727f10 R15: ffff93314325d000 [ 63.094319] FS: 00007f66d715b580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 63.103355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.109768] CR2: 0000000000000000 CR3: 00000001027f4006 CR4: 00000000003706e0 [ 63.117733] Call Trace: [ 63.120461] direct_entry.cold+0x2c/0x38 [ 63.124837] full_proxy_write+0x53/0x80 [ 63.129109] vfs_write+0xe7/0x3a0 [ 63.132806] ksys_write+0x68/0xf0 [ 63.136497] do_syscall_64+0x30/0x40 [ 63.140486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.146126] RIP: 0033:0x7f66d70718f3 [ 63.150105] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.171083] RSP: 002b:00007ffe85bcd7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.179528] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f66d70718f3 [ 63.187494] RDX: 000000000000000c RSI: 00007f66d6f64000 RDI: 0000000000000001 [ 63.195461] RBP: 00007f66d6f64000 R08: 00007f66d6f63010 R09: 0000000000000000 [ 63.203427] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.211393] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.219365] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify x38 # [ 59.486824] ? full_proxy_write+0x53/0x80 # [ 59.49[ 63.245815] CR2: 0000000000000000 [ 63.255722] ---[ end trace d57bcebaeffbda08 ]--- [ 63.260875] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.265244] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 63.286236] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 1303] ? vfs_write+0xe7/0x3a0 # [ 59.495196] ? ksys_write+0x[ 63.292076] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.306255] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 63.314243] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 63.322209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.330178] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 63.338145] FS: 00007f66d715b580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 63.347181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.353596] CR2: 0000000000000000 CR3: 00000001027f4006 CR4: 00000000003706e0 68/0xf0 # [ 59.499089] ? do_syscall_64+0x30/0x40 # [ 59.503273] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 59.509111] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 59.535560] CR2: ffff9331454df740 # [ 59.545469] ---[ end trace d57bcebaeffbda02 ]--- # [ 59.550621] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 59.554989] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 59.575957] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 59.581791] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 59.589756] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 59.597725] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 59.605690] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 59.613658] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 59.621627] FS: 00007f400d57e580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 # [ 59.630653] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 59.6370[ 63.493734] lkdtm: Performing direct entry WRITE_RO 68] CR2: ffff9331454df740 CR3: 0000000103256003 CR4: 00000000003[ 63.503976] lkdtm: attempting bad rodata write at ffffffffb2d9b310 706e0 # [ 59.645037] BUG: sleeping function called from inval[ 63.517103] BUG: unable to handle page fault for address: ffffffffb2d9b310 [ 63.530976] #PF: supervisor write access in kernel mode [ 63.536810] #PF: error_code(0x0003) - permissions violation [ 63.543028] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 8000000168e000e1 [ 63.550814] Oops: 0003 [#14] SMP PTI [ 63.554804] CPU: 0 PID: 1948 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 63.563454] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.570262] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a [ 63.575217] Code: 00 48 c7 c7 08 bb 18 b3 48 c7 c6 10 b3 d9 b2 e8 31 9c fd ff 48 8b 05 87 cd 62 00 ba 34 12 cd ab 48 c7 c7 38 bb 18 b3 48 31 d0 <48> 89 05 71 cd 62 00 e9 0f 9c fd ff 0f 1f 44 00 00 48 8b 05 80 9d [ 63.596198] RSP: 0018:ffffacdd027cfe60 EFLAGS: 00010202 [ 63.602032] RAX: 000000000198b861 RBX: 0000000000000028 RCX: 0000000000000000 [ 63.610000] RDX: 00000000abcd1234 RSI: ffff9331bac1bf70 RDI: ffffffffb318bb38 [ 63.617970] RBP: ffffffffb318ad25 R08: 0000000000000000 R09: 0000000000000000 [ 63.625939] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009 [ 63.633907] R13: ffffacdd027cff10 R14: ffffacdd027cff10 R15: ffff9331434e9000 [ 63.641875] FS: 00007f42ac37d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 63.650913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.657319] CR2: ffffffffb2d9b310 CR3: 00000001033d6005 CR4: 00000000003706f0 [ 63.665288] Call Trace: [ 63.668013] direct_entry.cold+0x2c/0x38 [ 63.672386] full_proxy_write+0x53/0x80 [ 63.676672] vfs_write+0xe7/0x3a0 [ 63.680373] ksys_write+0x68/0xf0 [ 63.684064] do_syscall_64+0x30/0x40 [ 63.688053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 63.693693] RIP: 0033:0x7f42ac2938f3 [ 63.697670] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 63.718652] RSP: 002b:00007ffff1489a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.727107] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f42ac2938f3 [ 63.735076] RDX: 0000000000000009 RSI: 00007f42ac186000 RDI: 0000000000000001 [ 63.743043] RBP: 00007f42ac186000 R08: 00007f42ac185010 R09: 0000000000000000 [ 63.751011] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 63.758979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 63.766955] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 63.793392] CR2: ffffffffb2d9b310 [ 63.797090] ---[ end trace d57bcebaeffbda09 ]--- [ 63.802243] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 63.806618] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 63.827600] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 63.833435] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 63.841403] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 63.849372] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 63.857341] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 63.865309] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 63.873276] FS: 00007f42ac37d580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 63.882311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.888725] CR2: ffffffffb2d9b310 CR3: 00000001033d6005 CR4: 00000000003706f0 [ 63.896693] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 63.906605] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1948, name: cat [ 63.915060] INFO: lockdep is turned off. [ 63.919435] irq event stamp: 0 [ 63.922841] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 63.929841] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 63.938973] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 63.948108] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 63.955104] CPU: 0 PID: 1948 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 63.963752] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 63.970556] Call Trace: [ 63.973282] dump_stack+0x77/0x9b [ 63.976986] ___might_sleep.cold+0xa6/0xb6 [ 63.981565] exit_signals+0x1c/0x2e0 [ 63.985554] do_exit+0xd5/0xb00 [ 63.989049] ? ksys_write+0x68/0xf0 [ 63.992941] rewind_stack_do_exit+0x17/0x20 [ 63.997614] RIP: 0033:0x7f42ac2938f3 [ 64.001602] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.022582] RSP: 002b:00007ffff1489a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.031038] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f42ac2938f3 [ 64.039007] RDX: 0000000000000009 RSI: 00007f42ac186000 RDI: 0000000000000001 [ 64.046975] RBP: 00007f42ac186000 R08: 00007f42ac185010 R09: 0000000000000000 [ 64.054944] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.062911] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 id context at include/linux/percpu-rwsem.h:49 # [ 59.654945] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1699, name: cat # [ 59.663398] INFO: lockdep is turned off. # [ 59.667771] irq event stamp: 0 # [ 59.671174] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 59.678173] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 59.687299] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 59.696429] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 59.703425] CPU: 1 PID: 1699 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 59.712071] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 59.718870] Call Trace: # [ 59.721598] dump_stack+0x77/0x9b # [ 59.725306] ___might_sleep.cold+0xa6/0xb6 # [ 59.729876] exit_signals+0x1c/0x2e0 # [ 59.733854] do_exit+0xd5/0xb00 # [ 59.737357] ? ksys_write+0x68/0xf0 # [ 59.741248] rewind_stack_do_exit+0x17/0x20 # [ 59.745914] RIP: 0033:0x7f400d4948f3 # [ 59.749900] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 59.770876] RSP: 002b:00007ffec99a9778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 59.779320] RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00007f400d4948f3 # [ 59.787302] RDX: 000000000000000d RSI: 00007f400d387000 RDI: 0000000000000001 # [ 59.795269] RBP: 00007f400d387000 R08: 00007f400d386010 R09: 0000000000000000 # [ 59.803243] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 59.811210] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # EXEC_KMALLOC: saw 'call trace:': ok ok 32 selftests: lkdtm: EXEC_KMA[ 64.249084] lkdtm: Performing direct entry WRITE_RO_AFTER_INIT LLOC.sh # selftests: lkdtm: EXEC_VMALLOC.sh # Killed # [ 59[ 64.257975] lkdtm: attempting bad ro_after_init write at ffffffffb3208330 .935272] lkdtm: Performing direct entry EXEC_VMALLOC # [ 59.9[ 64.271825] BUG: unable to handle page fault for address: ffffffffb3208330 [ 64.285652] #PF: supervisor write access in kernel mode [ 64.291483] #PF: error_code(0x0003) - permissions violation [ 64.297703] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 104b02063 PTE 8000000169408061 [ 64.306747] Oops: 0003 [#15] SMP PTI [ 64.310735] CPU: 0 PID: 1983 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 64.319381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.326186] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a [ 64.332217] Code: bb 18 b3 e9 e3 9b fd ff 48 c7 c7 90 bb 18 b3 e8 d7 9b fd ff 48 8b 05 4d 9d a9 00 ba 34 12 cd ab 48 c7 c7 38 bb 18 b3 48 31 d0 <48> 89 05 37 9d a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 [ 64.353217] RSP: 0018:ffffacdd0283fe60 EFLAGS: 00010202 [ 64.359073] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 [ 64.367040] RDX: 00000000abcd1234 RSI: ffff9331bac1bf70 RDI: ffffffffb318bb38 [ 64.375007] RBP: ffffffffb318ad2e R08: 0000000000000000 R09: 0000000000000000 [ 64.382974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 [ 64.390938] R13: ffffacdd0283ff10 R14: ffffacdd0283ff10 R15: ffff93314328f000 [ 64.398903] FS: 00007feb18fe0580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 64.407937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.414349] CR2: ffffffffb3208330 CR3: 00000001032de006 CR4: 00000000003706f0 [ 64.422315] Call Trace: [ 64.425041] direct_entry.cold+0x2c/0x38 [ 64.429417] full_proxy_write+0x53/0x80 [ 64.433703] vfs_write+0xe7/0x3a0 [ 64.437400] ksys_write+0x68/0xf0 [ 64.441096] do_syscall_64+0x30/0x40 [ 64.445084] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 64.450721] RIP: 0033:0x7feb18ef68f3 [ 64.454706] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 64.475681] RSP: 002b:00007ffde3632048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.484134] RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 00007feb18ef68f3 [ 64.492100] RDX: 0000000000000014 RSI: 00007feb18de9000 RDI: 0000000000000001 [ 64.500066] RBP: 00007feb18de9000 R08: 00007feb18de8010 R09: 0000000000000000 [ 64.508033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 64.516000] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 64.523971] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 64.550404] CR2: ffffffffb3208330 [ 64.554090] ---[ end trace d57bcebaeffbda0a ]--- [ 64.559247] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 64.563621] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 64.584598] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 64.590430] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 64.598396] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 64.606364] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 64.614329] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 64.622297] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 64.630264] FS: 00007feb18fe0580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 [ 64.639313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.645726] CR2: ffffffffb3208330 CR3: 00000001032de006 CR4: 00000000003706f0 43206] lkdtm: attempting ok execution at ffffffffb20dec80 # [ 59.955908] lkdtm: attempting bad execution at ffffacdd00667000 # [ 59.968768] kernel tried to execute NX-protected page - exploit attempt? (uid: 0) # [ 59.983292] BUG: unable to handle page fault for address: ffffacdd00667000 # [ 59.990960] #PF: supervisor instruction fetch in kernel mode # [ 59.997295] #PF: error_code(0x0011) - permissions violation # [ 60.003517] PGD 100000067 P4D 100000067 PUD 100211067 PMD 104d34067 PTE 8000000103167063 # [ 60.012587] Oops: 0011 [#8] SMP PTI # [ 60.016477] CPU: 0 PID: 1735 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 60.025118] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 60.031924] RIP: 0010:0xffffacdd00667000 # [ 60.036304] Code: Unable to access opcode bytes at RIP 0xffffacdd00666fd6. # [ 60.043981] RSP: 0018:ffffacdd02447e38 EFLAGS: 00010246 # [ 60.049813] RAX: 0000000000000033 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.057781] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 # [ 60.065748] RBP: ffffacdd00667000 R08: 0000000000000000 R09: 0000000000000000 # [ 60.073716] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000d # [ 60.081684] R13: ffffacdd02447f10 R14: ffffacdd02447f10 R15: ffff933143167000 # [ 60.089653] FS: 00007f9f4a0ef580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 60.098681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.105095] CR2: ffffacdd00666fd6 CR3: 0000000104e3e003 CR4: 00000000003706f0 # [ 60.113063] Call Trace: # [ 60.115793] ? execute_location+0x45/0x56 # [ 60.120275] ? lkdtm_EXEC_VMALLOC+0x20/0x30 # [ 60.124[ 64.816413] lkdtm: Performing direct entry WRITE_KERN 950] ? direct_entry.cold+0x2c/0x38 # [ 60.129525] ? full_pr[ 64.827250] lkdtm: attempting bad 6879363 byte write at ffffffffb276e503 [ 64.840954] BUG: unable to handle page fault for address: ffffffffb276e503 [ 64.848661] #PF: supervisor write access in kernel mode [ 64.854494] #PF: error_code(0x0003) - permissions violation [ 64.860715] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 1688000e1 oxy_write+0x53/0x80 # [ 60.134008] ? vfs_write+0xe7/0x3a0 #[ 64.867814] Oops: 0003 [#16] SMP PTI [ 64.878014] CPU: 3 PID: 2018 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 64.886662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 64.893468] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e [ 64.898620] Code: 53 48 c7 c3 03 e5 76 b2 49 89 dc 48 89 da 49 81 ec 80 ec 0d b2 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 80 ec 0d b2 a4 48 c7 c7 38 bb 18 b3 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff [ 64.919595] RSP: 0018:ffffacdd028afe50 EFLAGS: 00010246 [ 64.925427] RAX: 000000000000003c RBX: ffffffffb276e503 RCX: 000000000068f883 [ 64.933394] RDX: 0000000000000000 RSI: ffffffffb20dec80 RDI: ffffffffb276e503 [ 64.941360] RBP: ffffffffb318ad42 R08: 0000000000000000 R09: 0000000000000000 [ 64.949325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f883 [ 64.957297] R13: ffffacdd028aff10 R14: ffffacdd028aff10 R15: ffff93314410e000 [ 64.965265] FS: 00007f24352b7580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 64.974300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.980714] CR2: ffffffffb276e503 CR3: 0000000104c18003 CR4: 00000000003706e0 [ 64.988681] Call Trace: [ 64.991407] direct_entry.cold+0x2c/0x38 [ 64.995785] full_proxy_write+0x53/0x80 [ 65.000065] vfs_write+0xe7/0x3a0 [ 65.003763] ksys_write+0x68/0xf0 [ 65.007460] do_syscall_64+0x30/0x40 [ 65.011447] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 65.017075] RIP: 0033:0x7f24351cd8f3 [ 65.021062] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.042037] RSP: 002b:00007ffdea74bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.050489] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f24351cd8f3 [ 65.058457] RDX: 000000000000000b RSI: 00007f24350c0000 RDI: 0000000000000001 [ 65.066424] RBP: 00007f24350c0000 R08: 00007f24350bf010 R09: 0000000000000000 [ 65.074390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.082357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 65.090327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 60.137908] ? ksys_write+0x68/0xf0 # [ 60.141801] ? do_[ 65.116777] CR2: ffffffffb276e503 [ 65.126684] ---[ end trace d57bcebaeffbda0b ]--- [ 65.131838] RIP: 0010:lkdtm_BUG+0x5/0x10 [ 65.136213] Code: 89 ff e8 fe b5 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 60 fc 93 02 [ 65.157182] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 [ 65.163012] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 [ 65.170979] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 [ 65.178946] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 [ 65.186912] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 [ 65.194877] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 65.202845] FS: 00007f24352b7580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 65.211878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 65.218297] CR2: ffffffffb276e503 CR3: 0000000104c18003 CR4: 00000000003706e0 [ 65.226265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 [ 65.236165] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2018, name: cat [ 65.244606] INFO: lockdep is turned off. [ 65.248980] irq event stamp: 0 [ 65.252385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 65.259383] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 65.268515] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 65.277648] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 65.284646] CPU: 3 PID: 2018 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 65.293298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 65.300099] Call Trace: [ 65.302825] dump_stack+0x77/0x9b [ 65.306521] ___might_sleep.cold+0xa6/0xb6 [ 65.311092] exit_signals+0x1c/0x2e0 [ 65.315080] do_exit+0xd5/0xb00 [ 65.318582] ? ksys_write+0x68/0xf0 [ 65.322472] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 [ 65.327906] rewind_stack_do_exit+0x17/0x20 [ 65.332562] RIP: 0033:0x7f24351cd8f3 [ 65.336550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 65.357527] RSP: 002b:00007ffdea74bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.365971] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f24351cd8f3 [ 65.373937] RDX: 000000000000000b RSI: 00007f24350c0000 RDI: 0000000000000001 [ 65.381903] RBP: 00007f24350c0000 R08: 00007f24350bf010 R09: 0000000000000000 [ 65.389869] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 65.397837] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 syscall_64+0x30/0x40 # [ 60.145984] ? entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 60.151823] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 60.178267] CR2: ffffacdd00667000 # [ 60.181963] ---[ end trace d57bcebaeffbda03 ]--- # [ 60.187109] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60.191478] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 60.212464] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 60.218290] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.226260] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 60.234228] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.242197] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.250165] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 60.258137] FS: 00007f9f4a0ef580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 60.267175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.273593] CR2: ffffacdd00666fd6 CR3: 0000000104e3e003 CR4: 00000000003706f0 # EXEC_VMALLOC: saw 'call trace:': ok ok 33 selftests: lkdtm: EXEC_VMALLOC.sh # selftests: lkdtm: EXEC_RODATA.sh # Killed # [ 60.452623] lkdtm: Per[ 65.558047] lkdtm: Performing direct entry REFCOUNT_INC_OVERFLOW forming direct entry EXEC_RODATA # [ 60.461359] lkdtm: attemp[ 65.568279] lkdtm: attempting good refcount_inc() without overflow ting ok execution at ffffffffb20dec80 # [ 60.474105] lkdtm: a[ 65.581416] lkdtm: attempting bad refcount_inc() overflow ttempting bad execution at ffffffffb2d9b320 # [ 60.486924] ke[ 65.593655] ------------[ cut here ]------------ rnel tried to execute NX-protected page - exploit attempt? (uid:[ 65.605044] refcount_t: saturated; leaking memory. 0) # [ 60.501489] BUG: unable to handle page fault for addre[ 65.616621] WARNING: CPU: 0 PID: 2053 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 ss: ffffffffb2d9b320 # [ 60.509159] #PF: supervisor instructi[ 65.632245] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify on fetch in kernel mode # [ 60.515467] #PF: error_code(0x0011[ 65.664898] CPU: 0 PID: 2053 Comm: cat Tainted: G D W 5.10.146-cip17 #1 ) - permissions violation # [ 60.521688] PGD 169629067 P4D 16[ 65.679753] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 9629067 PUD 16962a063 PMD 8000000168e000e1 # [ 60.529464] Oo[ 65.692810] RIP: 0010:refcount_warn_saturate+0x51/0x110 ps: 0011 [#9] SMP PTI # [ 60.539565] CPU: 2 PID: 1771 Comm: c[ 65.704836] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 at Tainted: G D W 5.10.146-cip17 #1 # [ 60.54821[ 65.732056] RSP: 0018:ffffacdd02927e48 EFLAGS: 00010286 3] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ [ 65.744095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 0000000000000000 60.555010] RIP: 0010:lkdtm_rodata_do_nothing+0x0/0x10 # [ 60.[ 65.758304] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 560745] Code: ff ff f8 fa 76 b2 ff ff ff ff 0a af 18 b3 ff ff ff[ 65.772477] RBP: ffffffffb318ad4d R08: 0000000000000000 R09: 0000000000000000 ff 3e e2 76 b2 ff ff ff ff 55 aa 55 aa 00 00 00 00 00 00 00 00 [ 65.786678] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 54[ 65.800847] R13: ffffacdd02927f10 R14: ffffacdd02927f10 R15: ffff9331430c2000 68 69 73 20 69 # [ 60.587932] RSP: 0018:ffffacdd024e7e48 EFL[ 65.815056] FS: 00007ff211408580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 AGS: 00010246 # [ 60.593763] RAX: 0000000000000033 RBX: 00000[ 65.830302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 00000000000 RCX: 0000000000000000 # [ 60.601729] RDX: 0000000[ 65.842958] CR2: 00007ff211211000 CR3: 00000001057fa004 CR4: 00000000003706f0 000000000 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 60.[ 65.857126] Call Trace: 609695] RBP: ffffffffb2d9b320 R08: 0000000000000000 R09: 0000000[ 65.866087] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 000000000 # [ 60.617661] R10: 00000000ffffe000 R11: 3ffffffff[ 65.877646] direct_entry.cold+0x2c/0x38 fffffff R12: 000000000000000c # [ 60.625627] R13: ffffacdd024[ 65.888242] full_proxy_write+0x53/0x80 e7f10 R14: ffffacdd024e7f10 R15: ffff9331438f2000 # [ 60.6335[ 65.898736] vfs_write+0xe7/0x3a0 95] FS: 00007fac268e7580(0000) GS:ffff9331bad00000(0000) knlGS:[ 65.908664] ksys_write+0x68/0xf0 0000000000000000 # [ 60.642622] CS: 0010 DS: 0000 ES: 0000 C[ 65.918571] do_syscall_64+0x30/0x40 R0: 0000000080050033 # [ 60.649037] CR2: ffffffffb2d9b320 CR3[ 65.928784] entry_SYSCALL_64_after_hwframe+0x61/0xc6 : 00000001034e4002 CR4: 00000000003706e0 # [ 60.657004] Call [ 65.940637] RIP: 0033:0x7ff21131e8f3 Trace: # [ 60.659731] ? execute_location+0x45/0x56 # [ 60[ 65.950846] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 .664204] ? direct_entry.cold+0x2c/0x38 # [ 60.674986] ? ful[ 65.978039] RSP: 002b:00007ffe9635bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 l_proxy_write+0x53/0x80 # [ 60.679461] ? vfs_write+0xe7/0x3a[ 65.992725] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff21131e8f3 0 # [ 60.683353] ? ksys_write+0x68/0xf0 # [ 60.687248] ?[ 66.006900] RDX: 0000000000000016 RSI: 00007ff211211000 RDI: 0000000000000001 do_syscall_64+0x30/0x40 # [ 60.691432] ? entry_SYSCALL_64_a[ 66.021102] RBP: 00007ff211211000 R08: 00007ff211210010 R09: 0000000000000000 fter_hwframe+0x61/0xc6 # [ 60.697267] Modules linked in: fuse[ 66.035277] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_tri[ 66.049471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_light[ 66.063659] irq event stamp: 0 bar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_te[ 66.073289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 mp_thermal cros_ec_dev cros_usbpd_notify # [ 60.729898] CR2: [ 66.086502] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 ffffffffb2d9b320 # [ 60.733594] ---[ end trace d57bcebaeffbda[ 66.101859] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 04 ]--- # [ 60.738748] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 60[ 66.117206] softirqs last disabled at (0): [<0000000000000000>] 0x0 .743114] Code: 89 ff e8 fe b5 a3 ff 48 c7 c0 ea ff ff ff eb de 4[ 66.130455] ---[ end trace d57bcebaeffbda0c ]--- 8 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f[ 66.141837] lkdtm: Overflow detected: saturated 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 fc 93 02 # [ 60.764092] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 60.769922] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 60.777887] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 60.785851] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 60.793819] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 60.801783] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 60.809752] FS: 00007fac268e7580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 60.818786] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 60.825201] CR2: ffffffffb2d9b320 CR3: 00000001034e4002 CR4: 00000000003706e0 # EXEC_RODATA: saw 'call trace:': ok ok 34 selftests: lkdtm: EXEC_RODATA.sh # selftests: lkdtm: EXEC_USERSPACE.sh # Killed # [ 60.961600] lkdtm: Performing direct entry EXEC_USERSPACE # [ 60.969794] lkdtm: attempting ok execution at ffffffffb20dec80 # [ 60.982560] lkdtm: attempting bad execution at 00007f98edd7d000 # [ 60.995338] unable to execute userspace code (SMEP?) (uid: 0) # [ 61.007950] BUG: unable to handle page fault for address: 00007f98edd7d000 # [ 61.015629] #PF: supervisor instruction fetch in kernel mode # [ 61.021949] #PF: error_code(0x0011) - permissions violation # [ 61.028168] PGD 800000010300c067 P4D 800000010300c067 PUD 103305067 PMD 103304067 PTE 114f66067 # [ 61.037893] Oops: 0011 [#10] SMP PTI # [ 61.041882] CPU: 0 PID: 1807 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 61.050528] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.057333] RIP: 0010:0x7f98edd7d000 # [ 61.061320] Code: Unable to access opcode bytes at RIP 0x7f98edd7cfd6. # [ 61.068612] RSP: 0018:ffffacdd02577e50 EFLAGS: 00010246 # [ 61.074444] RAX: 0000000000000033 RBX: 0000000000000024 RCX: 0000000000000000 # [ 61.082417] RDX: 0000000000000000 RSI: ffff933[ 66.348150] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW 1bac1bf70 RDI: ffff9331bac1bf70 # [ 61.090388] RBP: 00007f98e[ 66.358693] lkdtm: attempting good refcount_add() without overflow dd7d000 R08: 0000000000000000 R09: 0000000000000000 # [ 61.09[ 66.371820] lkdtm: attempting bad refcount_add() overflow 8359] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000[ 66.384061] ------------[ cut here ]------------ 000000f # [ 61.106328] R13: ffffacdd02577f10 R14: ffffacdd025[ 66.395428] refcount_t: saturated; leaking memory. 77f10 R15: ffff93314317d000 # [ 61.114300] FS: 00007f98edd4e[ 66.407022] WARNING: CPU: 2 PID: 2085 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ [ 66.422635] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 61.123340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.455266] CPU: 2 PID: 2085 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 61.129750] CR2: 00007f98edd7d000 CR3: 0000000104e44005 CR4[ 66.470129] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 00000000003706f0 # [ 61.137720] Call Trace: # [ 61.14045[ 66.483152] RIP: 0010:refcount_warn_saturate+0x51/0x110 0] ? lkdtm_EXEC_USERSPACE.cold+0x66/0xae # [ 61.145805] ? d[ 66.495205] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 irect_entry.cold+0x2c/0x38 # [ 61.150380] ? full_proxy_write[ 66.522395] RSP: 0018:ffffacdd029afe48 EFLAGS: 00010286 +0x53/0x80 # [ 61.154863] ? vfs_write+0xe7/0x3a0 # [ 61.1[ 66.534467] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 58762] ? ksys_write+0x68/0xf0 # [ 61.162654] ? do_syscall_6[ 66.548630] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 4+0x30/0x40 # [ 61.166829] ? entry_SYSCALL_64_after_hwframe+[ 66.562811] RBP: ffffffffb318ad63 R08: 0000000000000000 R09: 0000000000000000 0x61/0xc6 # [ 61.172658] Modules linked in: fuse ip_tables cr[ 66.576995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 os_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer[ 66.591179] R13: ffffacdd029aff10 R14: ffffacdd029aff10 R15: ffff9331436cd000 kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_c[ 66.605367] FS: 00007f20b03a2580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 hardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cr[ 66.620619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 os_ec_dev cros_usbpd_notify # [ 61.199100] CR2: 00007f98edd7d[ 66.633251] CR2: 00007f20b01ab000 CR3: 0000000103794004 CR4: 00000000003706e0 000 # [ 61.202789] ---[ end trace d57bcebaeffbda05 ]--- # [ [ 66.647435] Call Trace: 61.207942] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.212320] Code[ 66.656382] lkdtm_REFCOUNT_ADD_OVERFLOW+0x7f/0xa7 : 89 ff e8 fe b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff[ 66.667945] direct_entry.cold+0x2c/0x38 ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 [ 66.678537] full_proxy_write+0x53/0x80 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 fc 93[ 66.689033] vfs_write+0xe7/0x3a0 02 # [ 61.233303] RSP: 0018:ffffacdd014d7e60 EFLAGS: 0001028[ 66.698944] ksys_write+0x68/0xf0 2 # [ 61.239136] RAX: ffffffffb20de8b0 RBX: 0000000000000001 [ 66.708858] do_syscall_64+0x30/0x40 RCX: 0000000000000000 # [ 61.247105] RDX: 0000000000000000 RS[ 66.719063] entry_SYSCALL_64_after_hwframe+0x61/0xc6 I: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 61.255078] RBP:[ 66.730916] RIP: 0033:0x7f20b02b88f3 ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 #[ 66.741121] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 61.263045] R10: 00000000ffffe000 R11: 3fffffffffffffff R12:[ 66.768321] RSP: 002b:00007ffea4c139d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0000000000000004 # [ 61.271012] R13: ffffacdd014d7f10 R14: f[ 66.782990] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f20b02b88f3 fffacdd014d7f10 R15: ffff933144e88000 # [ 61.278986] FS: 000[ 66.797174] RDX: 0000000000000016 RSI: 00007f20b01ab000 RDI: 0000000000000001 07f98edd4e580(0000) GS:ffff9331bac00000(0000) knlGS:000000000000[ 66.811360] RBP: 00007f20b01ab000 R08: 00007f20b01aa010 R09: 0000000000000000 0000 # [ 61.288018] CS: 0010 DS: 0000 ES: 0000 CR0: 00000000[ 66.825546] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 80050033 # [ 61.294423] CR2: 00007f98edd7d000 CR3: 0000000104[ 66.839730] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 e44005 CR4: 00000000003706f0 # [ 61.302389] BUG: sleeping fun[ 66.853919] irq event stamp: 0 ction called from invalid context at include/linux/percpu-rwsem.[ 66.863534] hardirqs last enabled at (0): [<0000000000000000>] 0x0 h:49 # [ 61.312292] in_atomic(): 0, irqs_disabled(): 1, non_b[ 66.876750] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 lock: 0, pid: 1807, name: cat # [ 61.320740] INFO: lockdep is[ 66.892098] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 turned off. # [ 61.325118] irq event stamp: 0 # [ 61.3285[ 66.907448] softirqs last disabled at (0): [<0000000000000000>] 0x0 24] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [[ 66.920663] ---[ end trace d57bcebaeffbda0d ]--- 61.335524] hardirqs last disabled at (0): [[ 66.932031] lkdtm: Overflow detected: saturated ] copy_process+0x640/0x1c80 # [ 61.344654] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 61.353788] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 61.360785] CPU: 0 PID: 1807 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 61.369428] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 61.376235] Call Trace: # [ 61.378965] dump_stack+0x77/0x9b # [ 61.382669] ___might_sleep.cold+0xa6/0xb6 # [ 61.387246] exit_signals+0x1c/0x2e0 # [ 61.391236] do_exit+0xd5/0xb00 # [ 61.394742] ? ksys_write+0x68/0xf0 # [ 61.398637] rewind_stack_do_exit+0x17/0x20 # [ 61.403312] RIP: 0033:0x7f98edc648f3 # [ 61.407300] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 61.428287] RSP: 002b:00007ffd9e6ef4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 61.436739] RAX: ffffffffffffffda RBX: 000000000000000f RCX: 00007f98edc648f3 # [ 61.444709] RDX: 000000000000000f RSI: 00007f98edb57000 RDI: 0000000000000001 # [ 61.452679] RBP: 00007f98edb57000 R08: [ 67.060306] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW 00007f98edb56010 R09: 0000000000000000 # [ 61.460644] R10: ff[ 67.068972] lkdtm: attempting bad refcount_inc_not_zero() overflow fffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ [ 67.082096] ------------[ cut here ]------------ 61.468614] R13: 0000000000000001 R14: 0000000000020000 R15: 00[ 67.093459] refcount_t: saturated; leaking memory. 00000000020000 # EXEC_USERSPACE: saw 'call trace:': ok ok 35 s[ 67.105055] WARNING: CPU: 2 PID: 2117 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 elftests: lkdtm: EXEC_USERSPACE.sh # selftests: lkdtm: EXEC_NUL[ 67.120666] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify L.sh # Killed # [ 61.692160] lkdtm: Performing direct entry [ 67.153328] CPU: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.146-cip17 #1 EXEC_NULL # [ 61.699698] lkdtm: attempting ok execution at ff[ 67.168159] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 ffffffb20dec80 # [ 61.706232] lkdtm: attempting bad execution[ 67.181176] RIP: 0010:refcount_warn_saturate+0x97/0x110 at 0000000000000000 # [ 61.712879] BUG: kernel NULL pointer [ 67.193247] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 dereference, address: 0000000000000000 # [ 61.720660] #PF: su[ 67.220443] RSP: 0018:ffffacdd029f7e38 EFLAGS: 00010282 pervisor instruction fetch in kernel mode # [ 61.733188] #PF:[ 67.232491] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 error_code(0x0010) - not-present page # [ 61.738923] PGD 0 P[ 67.246676] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 4D 0 # [ 61.741746] Oops: 0010 [#11] SMP PTI # [ 61.74573[ 67.260862] RBP: ffffffffb318a9a0 R08: 0000000000000000 R09: 0000000000000000 5] CPU: 1 PID: 1843 Comm: cat Tainted: G D W 5.10.1[ 67.275047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f 46-cip17 #1 # [ 61.754370] Hardware name: Google Rammus/Rammu[ 67.289249] R13: ffffacdd029f7f10 R14: ffffacdd029f7f10 R15: ffff933144e59000 s, BIOS 09/04/2020 # [ 61.761172] RIP: 0010:0x0 # [ 61.76[ 67.303434] FS: 00007fb713640580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 4090] Code: Unable to access opcode bytes at RIP 0xfffffffffffff[ 67.318685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 fd6. # [ 61.771766] RSP: 0018:ffffacdd0260fe48 EFLAGS: 000102[ 67.331317] CR2: 00007fb713449000 CR3: 0000000104e36001 CR4: 00000000003706e0 46 # [ 61.777590] RAX: 0000000000000033 RBX: 0000000000000000[ 67.345503] Call Trace: RCX: 0000000000000000 # [ 61.785556] RDX: 0000000000000000 R[ 67.354449] __refcount_add_not_zero.constprop.0+0x2a/0x35 SI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 # [ 61.793523] RBP[ 67.366810] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 : 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 67.379257] direct_entry.cold+0x2c/0x38 # [ 61.801489] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 67.389848] full_proxy_write+0x53/0x80 : 000000000000000a # [ 61.809456] R13: ffffacdd0260ff10 R14: [ 67.400345] vfs_write+0xe7/0x3a0 ffffacdd0260ff10 R15: ffff9331433d7000 # [ 61.817422] FS: 00[ 67.410259] ksys_write+0x68/0xf0 007fecb3adc580(0000) GS:ffff9331bac80000(0000) knlGS:00000000000[ 67.420168] do_syscall_64+0x30/0x40 00000 # [ 61.826456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000[ 67.430373] entry_SYSCALL_64_after_hwframe+0x61/0xc6 080050033 # [ 61.832870] CR2: ffffffffffffffd6 CR3: 000000010[ 67.442252] RIP: 0033:0x7fb7135568f3 36ce006 CR4: 00000000003706e0 # [ 61.840837] Call Trace: # [[ 67.452454] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 61.843564] execute_location+0x45/0x56 # [ 61.847843] dir[ 67.479649] RSP: 002b:00007ffc04cf9278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 ect_entry.cold+0x2c/0x38 # [ 61.852236] full_proxy_write+0x5[ 67.494319] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb7135568f3 3/0x80 # [ 61.856524] vfs_write+0xe7/0x3a0 # [ 61.866429][ 67.508502] RDX: 000000000000001f RSI: 00007fb713449000 RDI: 0000000000000001 ksys_write+0x68/0xf0 # [ 61.870125] do_syscall_64+0x30/0x4[ 67.522687] RBP: 00007fb713449000 R08: 00007fb713448010 R09: 0000000000000000 0 # [ 61.874112] entry_SYSCALL_64_after_hwframe+0x61/0xc6 #[ 67.536872] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 61.879740] RIP: 0033:0x7fecb39f28f3 # [ 61.883727] Code:[ 67.551056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f [ 67.565258] irq event stamp: 0 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <[ 67.574872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 [ 67.588089] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 18 # [ 61.904696] RSP: 002b:00007ffe8bef2fb8 EFLAGS: 00000246[ 67.603435] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 ORIG_RAX: 0000000000000001 # [ 61.913146] RAX: fffffffffffff[ 67.618785] softirqs last disabled at (0): [<0000000000000000>] 0x0 fda RBX: 000000000000000a RCX: 00007fecb39f28f3 # [ 61.921112[ 67.631999] ---[ end trace d57bcebaeffbda0e ]--- ] RDX: 000000000000000a RSI: 00007fecb38e5000 RDI: 0000000000000[ 67.643370] lkdtm: Overflow detected: saturated 001 # [ 61.929076] RBP: 00007fecb38e5000 R08: 00007fecb38e4010 R09: 0000000000000000 # [ 61.937043] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 61.945010] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 61.952982] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 61.985608] CR2: 0000000000000000 # [ 61.989304] ---[ end trace d57bcebaeffbda06 ]--- # [ 61.994455] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 61.998823] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 62.019789] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 62.025619] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 62.033585] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 62.041551] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 62.049518] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.057484] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 62.065452] FS: 00007fecb3adc[ 67.788854] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_OVERFLOW 580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 # [ [ 67.799229] lkdtm: attempting bad refcount_add_not_zero() overflow 62.074485] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.812352] ------------[ cut here ]------------ # [ 62.080898] CR2: ffffffffffffffd6 CR3: 00000001036ce006 CR4[ 67.823716] refcount_t: saturated; leaking memory. : 00000000003706e0 # EXEC_NULL: saw 'call trace:': ok ok 36 se[ 67.835325] WARNING: CPU: 2 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 lftests: lkdtm: EXEC_NULL.sh # selftests: lkdtm: ACCESS_USERSPA[ 67.850922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify CE.sh # Killed # [ 62.241197] lkdtm: Performing direct entry[ 67.883553] CPU: 2 PID: 2149 Comm: cat Tainted: G D W 5.10.146-cip17 #1 ACCESS_USERSPACE # [ 62.250560] lkdtm: attempting bad read a[ 67.898412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 t 00007fad14949000 # [ 62.262884] BUG: unable to handle page [ 67.911434] RIP: 0010:refcount_warn_saturate+0x97/0x110 fault for address: 00007fad14949000 # [ 62.276755] #PF: super[ 67.923488] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 visor read access in kernel mode # [ 62.282490] #PF: error_co[ 67.950677] RSP: 0018:ffffacdd02a9fe38 EFLAGS: 00010282 [ 67.962724] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 de(0x0001) - permissions violation # [ 62.288710] PGD 8000000[ 67.970697] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 [ 67.984874] RBP: ffffffffb318a9c0 R08: 0000000000000000 R09: 0000000000000000 102772067 P4D 8000000102772067 PUD 105661067 PMD 103669067 PTE 1[ 67.992847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 68.007026] R13: ffffacdd02a9ff10 R14: ffffacdd02a9ff10 R15: ffff9331437fd000 14f73067 # [ 62.298436] Oops: 0001 [#12] SMP PTI # [ 62.30[ 68.014999] FS: 00007f7d53fca580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 [ 68.030249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 2413] CPU: 0 PID: 1878 Comm: cat Tainted: G D W 5.1[ 68.036669] CR2: 00007f7d53dd3000 CR3: 0000000104dfe001 CR4: 00000000003706e0 [ 68.050846] Call Trace: 0.146-cip17 #1 # [ 62.311062] Hardware name: Google Rammus/Ra[ 68.053580] __refcount_add_not_zero.constprop.0+0x2a/0x35 mmus, BIOS 09/04/2020 # [ 62.317860] RIP: 0010:lkdtm_ACCESS_[ 68.065912] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 USERSPACE.cold+0x41/0xa3 # [ 62.324087] Code: 00 00 00 75 64 [ 68.078349] direct_entry.cold+0x2c/0x38 48 83 c4 10 5d c3 cc cc cc cc 48 89 ee 48 c7 c7 28 bc 18 b3 e8 0[ 68.088944] full_proxy_write+0x53/0x80 9 9a fd ff 48 c7 c7 50 bc 18 b3 b8 de c0 de c0 <48> 03 45 00 48 [ 68.099439] vfs_write+0xe7/0x3a0 89 04 24 e8 f0 99 fd ff 48 89 ee 48 c7 c7 78 bc 18 # [ 62.345[ 68.109352] ksys_write+0x68/0xf0 068] RSP: 0018:ffffacdd02687e48 EFLAGS: 00010246 # [ 62.35090[ 68.119267] do_syscall_64+0x30/0x40 0] RAX: 00000000c0dec0de RBX: 0000000000000026 RCX: 000000000000[ 68.129471] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.141324] RIP: 0033:0x7f7d53ee08f3 0000 # [ 62.358860] RDX: 0000000000000000 RSI: ffff9331bac1bf[ 68.145315] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.172504] RSP: 002b:00007ffe4d67bcd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 70 RDI: ffffffffb318bc50 # [ 62.366831] RBP: 00007fad14949000[ 68.180965] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7d53ee08f3 R08: 0000000000000000 R09: 0000000000000000 # [ 62.374799] R[ 68.195146] RDX: 000000000000001f RSI: 00007f7d53dd3000 RDI: 0000000000000001 10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000011[ 68.209328] RBP: 00007f7d53dd3000 R08: 00007f7d53dd2010 R09: 0000000000000000 [ 68.223512] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.382767] R13: ffffacdd02687f10 R14: ffffacdd02687f10 R[ 68.231484] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 15: ffff933143313000 # [ 62.390736] FS: 00007fad1491a580(000[ 68.245692] irq event stamp: 0 0) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 62.39[ 68.255309] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9764] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 6[ 68.268521] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.283870] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 2.406178] CR2: 00007fad14949000 CR3: 0000000103670005 CR4: 00000[ 68.293008] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.306216] ---[ end trace d57bcebaeffbda0f ]--- 000003706f0 # [ 62.414146] Call Trace: # [ 62.416874] dir[ 68.311397] lkdtm: Overflow detected: saturated ect_entry.cold+0x2c/0x38 # [ 62.421258] full_proxy_write+0x53/0x80 # [ 62.425544] vfs_write+0xe7/0x3a0 # [ 62.429247] ksys_write+0x68/0xf0 # [ 62.432935] do_syscall_64+0x30/0x40 # [ 62.436925] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 62.442560] RIP: 0033:0x7fad148308f3 # [ 62.446549] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 62.467520] RSP: 002b:00007ffc510c0ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 62.475975] RAX: ffffffffffffffda RBX: 0000000000000011 RCX: 00007fad148308f3 # [ 62.483943] RDX: 0000000000000011 RSI: 00007fad14723000 RDI: 0000000000000001 # [ 62.491910] RBP: 00007fad14723000 R08: 00007fad14722010 R09: 0000000000000000 # [ 62.499876] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.507844] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 62.515816] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 62.542253] CR2: 00007fad14949000 # [ 62.545950] ---[ end trace d57bcebaeffbda07 ]--- # [ 62.55110[ 68.455657] lkdtm: Performing direct entry REFCOUNT_DEC_ZERO [ 68.465724] lkdtm: attempting good refcount_dec() [ 68.470978] lkdtm: attempting bad refcount_dec() to zero 6] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 62.555484] Code: 89 ff e8[ 68.476939] ------------[ cut here ]------------ [ 68.488305] refcount_t: decrement hit 0; leaking memory. [ 68.494280] WARNING: CPU: 3 PID: 2181 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 68.503736] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fe b5 a3 ff 48 c7 c0 ea ff ff ff eb de 48 c7 c0 ea ff ff ff c3 [ 68.530186] CPU: 3 PID: 2181 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 68.545053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 68.551913] RIP: 0010:refcount_warn_saturate+0xfb/0x110 cc cc cc cc 48 c7 c0 f4 ff ff ff eb c9 0f 1f 44 00 00 <0f> 0b 66[ 68.557757] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 68.584943] RSP: 0018:ffffacdd02affe48 EFLAGS: 00010286 [ 68.590794] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 [ 68.598763] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 68.606733] RBP: ffffffffb318ad79 R08: 0000000000000000 R09: 0000000000000000 [ 68.614703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 [ 68.622674] R13: ffffacdd02afff10 R14: ffffacdd02afff10 R15: ffff9331454d5000 [ 68.630643] FS: 00007f0a20c6e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 68.639682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.646099] CR2: 00007f0a20a77000 CR3: 00000001033d0006 CR4: 00000000003706e0 [ 68.654069] Call Trace: [ 68.656802] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd [ 68.661795] direct_entry.cold+0x2c/0x38 [ 68.666199] full_proxy_write+0x53/0x80 [ 68.670508] vfs_write+0xe7/0x3a0 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 05 60 fc 93 02 # [ [ 68.674252] ksys_write+0x68/0xf0 [ 68.684167] do_syscall_64+0x30/0x40 [ 68.688183] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 68.693825] RIP: 0033:0x7f0a20b848f3 [ 68.697815] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 68.718795] RSP: 002b:00007ffcb853ceb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.727254] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a20b848f3 62.576468] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 6[ 68.735227] RDX: 0000000000000012 RSI: 00007f0a20a77000 RDI: 0000000000000001 [ 68.749406] RBP: 00007f0a20a77000 R08: 00007f0a20a76010 R09: 0000000000000000 2.582302] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 00000[ 68.757378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000 # [ 62.590271] RDX: 0000000000000000 RSI: ffff933[ 68.771562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 68.785770] irq event stamp: 0 1bac1bf70 RDI: ffffffffb2d9ae90 # [ 62.598241] RBP: ffffffffb[ 68.789178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 68.802386] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 68.811545] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 68.820679] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 68.827680] ---[ end trace d57bcebaeffbda10 ]--- [ 68.832836] lkdtm: Zero detected: saturated 31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 62.606209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 62.614176] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 62.622146] FS: 00007fad1491a580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 62.631182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 62.637597] CR2: 00007fad14949000 CR3: 0000000103670005 CR4: 00000000003706f0 # [ 62.645565] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 62.655477] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 1878, name: cat # [ 62.663932] INFO: lockdep is turned off. # [ 62.668309] irq event stamp: 0 # [ 62.671715] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 62.678705] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 62.687837] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 62.696971] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 62.703967] CPU: 0 PID: 1878 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 62.712615] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 62.719419] Call Trace: # [ 62.722147] dump_stack+0x77/0x9b # [ 62.725847] ___might_sleep.cold+0xa6/0xb6 # [ 62.730419] exit_signals+0x1c/0x2e0 # [ 62.734407] do_exit+0xd5/0xb00 # [ 62.737901] ? ksys_write+0x68/0xf0 # [ 62.741794] rewind_stack_do_exit+0x17/0x20 # [ 62.746465] RIP: 0033:0x7fad148308f3 # [ 62.750451] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 5[ 69.007455] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE 4 24 18 # [ 62.771429] RSP: 002b:00007ffc510c0ef8 EFLAGS: 000[ 69.018550] lkdtm: attempting bad refcount_dec() below zero 00246 ORIG_RAX: 0000000000000001 # [ 62.779881] RAX: ffffffff[ 69.030993] ------------[ cut here ]------------ ffffffda RBX: 0000000000000011 RCX: 00007fad148308f3 # [ 62.7[ 69.042358] refcount_t: decrement hit 0; leaking memory. 87849] RDX: 0000000000000011 RSI: 00007fad14723000 RDI: 00000000[ 69.054537] WARNING: CPU: 2 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 00000001 # [ 62.795819] RBP: 00007fad14723000 R08: 00007fad14[ 69.070147] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 722010 R09: 0000000000000000 # [ 62.803788] R10: ffffffffffff[ 69.102806] CPU: 2 PID: 2216 Comm: cat Tainted: G D W 5.10.146-cip17 #1 fbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 62.81175[ 69.117648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 69.130666] RIP: 0010:refcount_warn_saturate+0xfb/0x110 6] R13: 0000000000000001 R14: 0000000000020000 R15: 000000000002[ 69.136504] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b 0000 # ACCESS_USERSPACE: saw 'call trace:': ok ok 37 selftests[ 69.163688] RSP: 0018:ffffacdd02ba7e48 EFLAGS: 00010286 : lkdtm: ACCESS_USERSPACE.sh # selftests: lkdtm: ACCESS_NULL.sh[ 69.175740] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 [ 69.189922] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # Killed # [ 62.955986] lkdtm: Performing direct entry ACCE[ 69.197894] RBP: ffffffffb318ad8b R08: 0000000000000000 R09: 0000000000000000 SS_NULL # [ 62.962257] lkdtm: attempting bad read at 00000000[ 69.212077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 [ 69.226262] R13: ffffacdd02ba7f10 R14: ffffacdd02ba7f10 R15: ffff9331427b3000 00000000 # [ 62.968440] BUG: kernel NULL pointer dereference,[ 69.234250] FS: 00007f99aa225580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 address: 0000000000000000 # [ 62.976242] #PF: supervisor rea[ 69.249496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.262126] CR2: 00007f99aa02e000 CR3: 0000000104fae002 CR4: 00000000003706e0 d access in kernel mode # [ 62.988194] #PF: error_code(0x0000[ 69.270098] Call Trace: ) - not-present page [ 69.279038] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 [ 69.286523] direct_entry.cold+0x2c/0x38 # [ 62.993933] PGD 0 P4D 0 # [ 62.996760] Oops: 0000 [#13][ 69.290927] full_proxy_write+0x53/0x80 SMP PTI # [ 63.006964] CPU: 3 PID: 1913 Comm: cat Tainted: G[ 69.301421] vfs_write+0xe7/0x3a0 [ 69.311361] ksys_write+0x68/0xf0 [ 69.315071] do_syscall_64+0x30/0x40 [ 69.319071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.324719] RIP: 0033:0x7f99aa13b8f3 [ 69.328711] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.349693] RSP: 002b:00007ffdf7435478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.358151] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f99aa13b8f3 [ 69.366123] RDX: 0000000000000016 RSI: 00007f99aa02e000 RDI: 0000000000000001 D W 5.10.146-cip17 #1 # [ 63.015615] Hardware n[ 69.374095] RBP: 00007f99aa02e000 R08: 00007f99aa02d010 R09: 0000000000000000 [ 69.388296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ame: Google Rammus/Rammus, BIOS 09/04/2020 # [ 63.022422] RI[ 69.396268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 P: 0010:lkdtm_ACCESS_NULL+0x14/0x53 # [ 63.027673] Code: ad 9[ 69.410469] irq event stamp: 0 [ 69.420068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 9 fd ff be 00 10 00 00 48 89 ef e8 9d 89 39 ff e9 69 ff ff ff 0f[ 69.427073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 1f 44 00 00 53 31 f6 48 c7 c7 28 bc 18 b3 e8 87 99 fd ff <48> 8[ 69.442412] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 69.457761] softirqs last disabled at (0): [<0000000000000000>] 0x0 b 1c 25 00 00 00 00 b8 de c0 de c0 48 c7 c7 50 bc 18 b3 48 01 #[ 69.464764] ---[ end trace d57bcebaeffbda11 ]--- [ 63.048655] RSP: 0018:ffffacdd02727e58 EFLAGS: 00010246 # [[ 69.476128] lkdtm: Negative detected: saturated 63.054486] RAX: 000000000000002e RBX: 0000000000000027 RCX: 0000000000000000 # [ 63.062453] RDX: 0000000000000000 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 63.070418] RBP: ffffffffb318ad19 R08: 0000000000000000 R09: 0000000000000000 # [ 63.078385] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000000c # [ 63.086353] R13: ffffacdd02727f10 R14: ffffacdd02727f10 R15: ffff93314325d000 # [ 63.094319] FS: 00007f66d715b580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 63.103355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.109768] CR2: 0000000000000000 CR3: 00000001027f4006 CR4: 00000000003706e0 # [ 63.117733] Call Trace: # [ 63.120461] direct_entry.cold+0x2c/0x38 # [ 63.124837] full_proxy_write+0x53/0x80 # [ 63.129109] vfs_write+0xe7/0x3a0 # [ 63.132806] ksys_write+0x68/0xf0 # [ 63.136497] do_syscall_64+0x30/0x40 # [ 63.140486] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.146126] RIP: 0033:0x7f66d70718f3 # [ 63.150105] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.171083] RSP: 002b:00007ffe85bcd7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.179528] RAX: ffffffffffffffda RBX: 000000000000000c RCX: 00007f66d70718f3 # [ 63.187494] RDX: 000000000000000c RSI: 00007f66d6f64000 RDI: 0000000000000001 # [ 63.195461] RBP: 00007f66d6f64000 R08: 0000[ 69.634114] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE [ 69.644311] lkdtm: attempting bad refcount_dec_and_test() below zero [ 69.651420] ------------[ cut here ]------------ 7f66d6f63010 R09: 0000000000000000 # [ 63.203427] R10: ffffff[ 69.656585] refcount_t: underflow; use-after-free. fffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63[ 69.668159] WARNING: CPU: 3 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 69.683791] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify .211393] R13: 0000000000000001 R14: 0000000000020000 R15: 000000[ 69.710243] CPU: 3 PID: 2251 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 69.725122] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 0000020000 # [ 63.219365] Modules linked in: fuse ip_tables c[ 69.731942] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 69.743982] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 69.764962] RSP: 0018:ffffacdd02c47e40 EFLAGS: 00010286 [ 69.770797] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 [ 69.778767] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 69.786736] RBP: ffffffffb318a9e0 R08: 0000000000000000 R09: 0000000000000000 [ 69.794706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 69.802674] R13: ffffacdd02c47f10 R14: ffffacdd02c47f10 R15: ffff93314332e000 [ 69.810645] FS: 00007fe3a60b0580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 69.819684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.826101] CR2: 00007fe3a5eb9000 CR3: 000000010571a006 CR4: 00000000003706e0 [ 69.834072] Call Trace: [ 69.836802] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 69.842930] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 [ 69.849155] direct_entry.cold+0x2c/0x38 [ 69.853534] full_proxy_write+0x53/0x80 [ 69.857817] vfs_write+0xe7/0x3a0 [ 69.861518] ksys_write+0x68/0xf0 [ 69.865218] do_syscall_64+0x30/0x40 ros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffe[ 69.869251] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 69.881105] RIP: 0033:0x7fe3a5fc68f3 [ 69.885096] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 69.906076] RSP: 002b:00007ffc90fb5f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.914533] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe3a5fc68f3 [ 69.922503] RDX: 000000000000001f RSI: 00007fe3a5eb9000 RDI: 0000000000000001 [ 69.930472] RBP: 00007fe3a5eb9000 R08: 00007fe3a5eb8010 R09: 0000000000000000 r kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_[ 69.938444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 69.952631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal c[ 69.960607] irq event stamp: 0 [ 69.970238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 ros_ec_dev cros_usbpd_notify # [ 63.245815] CR2: 000000000000[ 69.977249] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 69.992594] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.001732] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.008733] ---[ end trace d57bcebaeffbda12 ]--- [ 70.013890] lkdtm: Negative detected: saturated 0000 # [ 63.255722] ---[ end trace d57bcebaeffbda08 ]--- # [ 63.260875] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.265244] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 63.286236] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 63.292076] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.306255] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 63.314243] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 0000000000000001 # [ 63.322209] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.330178] R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 63.338145] FS: 00007f66d715b580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 63.347181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 63.353596] CR2: 0000000000000000 CR3: 00000001027f4006 CR4: 00000000003706e0 # ACCESS_NULL: saw 'call trace:': ok ok 38 selftests: lkdtm: ACCESS_NULL.sh # selftests: lkdtm: WRITE_RO.sh # Killed # [ 63.493734] lkdtm: Performing direct entry WRITE_RO # [ 63.503976] lkdtm: attempting bad rodata write at ffffffffb2d9b310 # [ 63.517103] BUG: unable to handle page fault for address: ffffffffb2d9b310 # [ 63.530976] #PF: supervisor write access in kernel mode # [ 63.536810] #PF: error_code(0x0003) - permissions violation # [ 63.543028] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 8000000168e000e1 # [ 63.550814] Oops: 0003 [#14] SMP PTI # [ 63.554804] CPU: 0 PID: 1948 Comm: cat Tainted: G D W 5.10.146-cip17 [ 70.181540] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE [ 70.194709] lkdtm: attempting bad refcount_sub_and_test() below zero [ 70.201814] ------------[ cut here ]------------ [ 70.206985] refcount_t: underflow; use-after-free. [ 70.212359] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 70.221792] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 70.248255] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.146-cip17 #1 #1 # [ 63.563454] Hardware name: Google Rammus/Rammus, BIOS [ 70.256910] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 70.269927] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 70.275784] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 70.296788] RSP: 0018:ffffacdd02cc7e40 EFLAGS: 00010286 09/04/2020 # [ 63.570262] RIP: 0010:lkdtm_WRITE_RO+0x2e/0x3a[ 70.302636] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 63.575217] Code: 00 48 c7 c7 08 bb 18 b3 48 c7 c6 10 b3 d[ 70.316813] RDX: ffff9331bacac660 RSI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 [ 70.330994] RBP: ffffffffb318aa00 R08: 0000000000000000 R09: 0000000000000000 9 b2 e8 31 9c fd ff 48 8b 05 87 cd 62 00 ba 34 12 cd ab 48 c7 c7[ 70.338968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f [ 70.353144] R13: ffffacdd02cc7f10 R14: ffffacdd02cc7f10 R15: ffff933143673000 38 bb 18 b3 48 31 d0 <48> 89 05 71 cd 62 00 e9 0f 9c fd ff 0f 1[ 70.361120] FS: 00007fe0b5efb580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 f 44 00 00 48 8b 05 80 9d # [ 63.596198] RSP: 0018:ffffacdd02[ 70.376364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.388997] CR2: 00007fe0b5d04000 CR3: 000000010271c001 CR4: 00000000003706e0 7cfe60 EFLAGS: 00010202 [ 70.396967] Call Trace: # [ 63.602032] RAX: 000000000198b861 RBX: 0000000000000028 RCX[ 70.402123] __refcount_sub_and_test.constprop.0+0x3c/0x50 : 0000000000000000 # [ 63.610000] RDX: 00000000abcd1234 RSI: [ 70.414460] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b ffff9331bac1bf70 RDI: ffffffffb318bb38 [ 70.426900] direct_entry.cold+0x2c/0x38 # [ 63.617970] RBP: ffffffffb318ad25 R08: 0000000000000000 R09[ 70.435164] full_proxy_write+0x53/0x80 : 0000000000000000 # [ 63.625939] R10: 0000[ 70.445663] vfs_write+0xe7/0x3a0 0000ffffe000 R11: 3fffffffffffffff R12: 0000000000000009[ 70.453826] ksys_write+0x68/0xf0 # [ 63.633907] R13: ffffacdd027cff10 R14: ffffacdd027cff10 R[ 70.462966] do_syscall_64+0x30/0x40 15: ffff9331434e9000 # [ 63.641875] FS: 00007f42ac37d580(000[ 70.473170] entry_SYSCALL_64_after_hwframe+0x61/0xc6 0) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 63.65[ 70.485024] RIP: 0033:0x7fe0b5e118f3 0913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 6[ 70.495228] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 3.657319] CR2: ffffffffb2d9b310 CR3: 00000001033d6005 CR4: 00000[ 70.522425] RSP: 002b:00007ffec8e165a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 000003706f0 # [ 63.665288] Call Trace: # [ 63.668013] dir[ 70.537097] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0b5e118f3 ect_entry.cold+0x2c/0x38[ 70.551282] RDX: 000000000000001f RSI: 00007fe0b5d04000 RDI: 0000000000000001 [ 70.561582] RBP: 00007fe0b5d04000 R08: 00007fe0b5d03010 R09: 0000000000000000 [ 70.569554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 70.577717] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 70.585696] irq event stamp: 0 [ 70.589112] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 70.596113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 70.605249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 70.614384] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 70.621384] ---[ end trace d57bcebaeffbda13 ]--- [ 70.626538] lkdtm: Negative detected: saturated # [ 63.672386] full_proxy_write+0x53/0x80 # [ 63.676672] vfs_write+0xe7/0x3a0 # [ 63.680373] ksys_write+0x68/0xf0 # [ 63.684064] do_syscall_64+0x30/0x40 # [ 63.688053] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 63.693693] RIP: 0033:0x7f42ac2938f3 # [ 63.697670] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 63.718652] RSP: 002b:00007ffff1489a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 63.727107] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 00007f42ac2938f3 # [ 63.735076] RDX: 0000000000000009 RSI: 00007f42ac186000 RDI: 0000000000000001 # [ 63.743043] RBP: 00007f42ac186000 R08: 00007f42ac185010 R09: 0000000000000000 # [ 63.751011] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 63.758979] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 63.766955] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 63.793392] CR2: ffffffffb2d9b310 # [ 63.797090] ---[ end trace d57bcebaeffbda09 ]--- # [ 63.802243] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 63.806618] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 63.827600] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 63.833435] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 63.8414[ 70.799733] lkdtm: Performing direct entry REFCOUNT_INC_ZERO 03] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d[ 70.812262] lkdtm: attempting safe refcount_inc_not_zero() from zero 9ae90 # [ 63.849372] RBP: ffffffffb31e60b8 R08: 0000000000000[ 70.825580] lkdtm: Good: zero detected 001 R09: 0000000000000001 # [ 63.857341] R10: 00000000ffffe00[ 70.836002] lkdtm: Correctly stayed at zero 0 R11: 3fffffffffffffff R12: 0000000000000004 # [ 63.865309] [ 70.846948] lkdtm: attempting bad refcount_inc() from zero R13: ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e8800[ 70.859325] ------------[ cut here ]------------ 0 # [ 63.873276] FS: 00007f42ac37d580(0000) GS:ffff9331bac00[ 70.870666] refcount_t: addition on 0; use-after-free. 000(0000) knlGS:0000000000000000 # [ 63.882311] CS: 0010 DS:[ 70.882628] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 0000 ES: 0000 CR0: 0000000080050033 # [ 63.888725] CR2: ffff[ 70.898273] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify ffffb2d9b310 CR3: 00000001033d6005 CR4: 00000000003706f0 # [ [ 70.930937] CPU: 0 PID: 2318 Comm: cat Tainted: G D W 5.10.146-cip17 #1 63.896693] BUG: sleeping function called from invalid context at[ 70.945845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 include/linux/percpu-rwsem.h:49 # [ 63.906605] in_atomic(): [ 70.958873] RIP: 0010:refcount_warn_saturate+0x74/0x110 0, irqs_disabled(): 1, non_block: 0, pid: 1948, name: cat # [ [ 70.970958] Code: 01 01 e8 4a 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 b3 c6 05 7b 49 94 01 01 e8 27 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 63.915060] INFO: lockdep is turned off. # [ 63.919435] irq e[ 70.998152] RSP: 0018:ffffacdd02d57e48 EFLAGS: 00010286 vent stamp: 0 # [ 63.922841] hardirqs last enabled at (0): [[ 71.010233] RAX: 0000000000000000 RBX: 0000000000000033 RCX: 0000000000000000 <0000000000000000>] 0x0 # [ 63.929841] hardirqs last disabled[ 71.024437] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 at (0): [] copy_process+0x640/0x1c80 # [ 6[ 71.038650] RBP: ffffffffb318ada1 R08: 0000000000000000 R09: 0000000000000000 3.938973] softirqs last enabled at (0): [] co[ 71.052863] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 py_process+0x640/0x1c80 # [ 63.948108] softirqs last disabled[ 71.067061] R13: ffffacdd02d57f10 R14: ffffacdd02d57f10 R15: ffff933144f97000 at (0): [<0000000000000000>] 0x0 # [ 63.955104] CPU: 0 PID: [ 71.081270] FS: 00007f8411e44580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 1948 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 71.096562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.963752] Hardware name: Google Rammus/Rammus, BIOS 09/04/[ 71.109191] CR2: 00007f8411c4d000 CR3: 0000000103312005 CR4: 00000000003706f0 2020 # [ 63.970556] Call Trace: # [ 63.973282] dump_stack[ 71.123442] Call Trace: +0x77/0x9b # [ 63.976986] ___might_sleep.cold+0xa6/0xb6 # [[ 71.132411] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 63.981565] exit_signals+0x1c/0x2e0 # [ 63.985554] do_exi[ 71.143570] direct_entry.cold+0x2c/0x38 t+0xd5/0xb00 # [ 63.989049] ? ksys_write+0x68/0xf0 # [ 63[ 71.154168] full_proxy_write+0x53/0x80 .992941] rewind_stack_do_exit+0x17/0x20 # [ 63.997614] RIP: [ 71.164732] vfs_write+0xe7/0x3a0 0033:0x7f42ac2938f3 # [ 64.001602] Code: 8b 15 a1 25 0e 00 f7[ 71.174680] ksys_write+0x68/0xf0 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 [ 71.184616] do_syscall_64+0x30/0x40 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77[ 71.194818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.022582] [ 71.206650] RIP: 0033:0x7f8411d5a8f3 RSP: 002b:00007ffff1489a18 EFLAGS: 00000246 ORIG_RAX: 0000000000[ 71.216862] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 000001 # [ 64.031038] RAX: ffffffffffffffda RBX: 000000000000[ 71.244060] RSP: 002b:00007ffc321409e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 0009 RCX: 00007f42ac2938f3 # [ 64.039007] RDX: 00000000000000[ 71.258761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8411d5a8f3 09 RSI: 00007f42ac186000 RDI: 0000000000000001 # [ 64.046975][ 71.272914] RDX: 0000000000000012 RSI: 00007f8411c4d000 RDI: 0000000000000001 RBP: 00007f42ac186000 R08: 00007f42ac185010 R09: 00000000000000[ 71.287105] RBP: 00007f8411c4d000 R08: 00007f8411c4c010 R09: 0000000000000000 00 # [ 64.054944] R10: fffffffffffffbc5 R11: 0000000000000246[ 71.301284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 R12: 0000000000000001 # [ 64.062911] R13: 0000000000000001 R[ 71.315471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 14: 0000000000020000 R15: 0000000000020000 # WRITE_RO: saw 'cal[ 71.329673] irq event stamp: 0 l trace:': ok ok 39 selftests: lkdtm: WRITE_RO.sh # selftests:[ 71.339289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 lkdtm: WRITE_RO_AFTER_INIT.sh # Killed # [ 64.249084] lkdtm[ 71.352512] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 : Performing direct entry WRITE_RO_AFTER_INIT # [ 64.257975] [ 71.367849] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 lkdtm: attempting bad ro_after_init write at ffffffffb3208330 #[ 71.383242] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 64.271825] BUG: unable to handle page fault for address: ff[ 71.396440] ---[ end trace d57bcebaeffbda14 ]--- ffffffb3208330 # [ 64.285652] #PF: supervisor write access in[ 71.407808] lkdtm: Zero detected: saturated kernel mode # [ 64.291483] #PF: error_code(0x0003) - permissions violation # [ 64.297703] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 104b02063 PTE 8000000169408061 # [ 64.306747] Oops: 0003 [#15] SMP PTI # [ 64.310735] CPU: 0 PID: 1983 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 64.319381] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.326186] RIP: 0010:lkdtm_WRITE_RO_AFTER_INIT+0x4e/0x5a # [ 64.332217] Code: bb 18 b3 e9 e3 9b fd ff 48 c7 c7 90 bb 18 b3 e8 d7 9b fd ff 48 8b 05 4d 9d a9 00 ba 34 12 cd ab 48 c7 c7 38 bb 18 b3 48 31 d0 <48> 89 05 37 9d a9 00 e9 b5 9b fd ff 0f 1f 44 00 00 41 54 48 c7 c7 # [ 64.353217] RSP: 0018:ffffacdd0283fe60 EFLAGS: 00010202 # [ 64.359073] RAX: 00000000fe67479e RBX: 0000000000000029 RCX: 0000000000000000 # [ 64.367040] RDX: 00000000abcd1234 RSI: ffff9331bac1bf70 RDI: ffffffffb318bb38 # [ 64.375007] RBP: ffffffffb318ad2e R08: 0000000000000000 R09: 0000000000000000 # [ 64.382974] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000014 # [ 64.390938] R13: ffffacdd0283ff10 R14: ffffacdd0283ff10 R15: ffff93314328f000 # [ 64.398903] FS: 00007feb18fe0580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 64.407937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.414349] CR2: ffffffffb3208330 CR3: 00000001032de006 CR4: 00000000003706f0 # [ 64.422315][ 71.550658] lkdtm: Performing direct entry REFCOUNT_ADD_ZERO Call Trace: # [ 64.425041] direct_entry.cold+0x2c/0x38 # [[ 71.561882] lkdtm: attempting safe refcount_add_not_zero() from zero 64.429417] full_proxy_write+0x53/0x80 # [ 64.433703] vfs[ 71.575199] lkdtm: Good: zero detected _write+0xe7/0x3a0 # [ 64.437400] ksys_write+0x68/0xf0 # [ [ 71.585594] lkdtm: Correctly stayed at zero 64.441096] do_syscall_64+0x30/0x40 # [ 64.445084] entry_SY[ 71.596466] lkdtm: attempting bad refcount_add() from zero SCALL_64_after_hwframe+0x61/0xc6 # [ 64.450721] RIP: 0033:0x7[ 71.608857] ------------[ cut here ]------------ feb18ef68f3 # [ 64.454706] Code: 8b 15 a1 25 0e 00 f7 d8 64 8[ 71.620214] refcount_t: addition on 0; use-after-free. 9 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00[ 71.632207] WARNING: CPU: 0 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0[ 71.647806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 64.475681] RSP: 002[ 71.680436] CPU: 0 PID: 2350 Comm: cat Tainted: G D W 5.10.146-cip17 #1 b:00007ffde3632048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.695310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.484134] RAX: ffffffffffffffda RBX: 0000000000000014 RCX[ 71.708362] RIP: 0010:refcount_warn_saturate+0x74/0x110 : 00007feb18ef68f3 # [ 64.492100] RDX: 0000000000000014 RSI: [ 71.720372] Code: 01 01 e8 4a 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 b3 c6 05 7b 49 94 01 01 e8 27 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 00007feb18de9000 RDI: 0000000000000001 # [ 64.500066] RBP: 00[ 71.747574] RSP: 0018:ffffacdd02db7e48 EFLAGS: 00010286 007feb18de9000 R08: 00007feb18de8010 R09: 0000000000000000 # [ [ 71.759624] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 64.508033] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 00[ 71.773817] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 00000000000001 # [ 64.516000] R13: 0000000000000001 R14: 0000[ 71.788003] RBP: ffffffffb318adb3 R08: 0000000000000000 R09: 0000000000000000 000000020000 R15: 0000000000020000 # [ 64.523971] Modules lin[ 71.802182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 ked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core indu[ 71.816373] R13: ffffacdd02db7f10 R14: ffffacdd02db7f10 R15: ffff9331455c0000 strialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs c[ 71.830571] FS: 00007f8109b5f580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 ros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhu[ 71.845807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 b x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 64.5[ 71.858458] CR2: 00007f8109968000 CR3: 000000010366a006 CR4: 00000000003706f0 50404] CR2: ffffffffb3208330 # [ 64.554090] ---[ end trace d5[ 71.872633] Call Trace: 7bcebaeffbda0a ]--- # [ 64.559247] RIP: 0010:lkdtm_BUG+0x5/0x[ 71.881608] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 10 # [ 64.563621] Code: 89 ff e8 fe b5 a3 ff 48 c7 c0 ea ff f[ 71.892759] direct_entry.cold+0x2c/0x38 f ff eb de 48 c7 c0 ea ff ff ff c3 cc cc cc cc 48 c7 c0 f4 ff ff[ 71.903359] full_proxy_write+0x53/0x80 ff eb c9 0f 1f 44 00 00 <0f> 0b 66 0f 1f 84 00 00 00 00 00 0f 1[ 71.913850] vfs_write+0xe7/0x3a0 f 44 00 00 83 05 60 fc 93 02 # [ 64.584598] RSP: 0018:ffffacd[ 71.923773] ksys_write+0x68/0xf0 d014d7e60 EFLAGS: 00010282 # [ 64.590430] RAX: ffffffffb20de8[ 71.933684] do_syscall_64+0x30/0x40 b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 64.598396][ 71.943899] entry_SYSCALL_64_after_hwframe+0x61/0xc6 RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae[ 71.955750] RIP: 0033:0x7f8109a758f3 90 # [ 64.606364] RBP: ffffffffb31e60b8 R08: 0000000000000001[ 71.965965] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 R09: 0000000000000001 # [ 64.614329] R10: 00000000ffffe000 R[ 71.993152] RSP: 002b:00007ffe12835838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 11: 3fffffffffffffff R12: 0000000000000004 # [ 64.622297] R13[ 72.007886] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8109a758f3 : ffffacdd014d7f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 [ 72.022024] RDX: 0000000000000012 RSI: 00007f8109968000 RDI: 0000000000000001 # [ 64.630264] FS: 00007feb18fe0580(0000) GS:ffff9331bac00000[ 72.036235] RBP: 00007f8109968000 R08: 00007f8109967010 R09: 0000000000000000 (0000) knlGS:0000000000000000 # [ 64.639313] CS: 0010 DS: 00[ 72.050402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00 ES: 0000 CR0: 0000000080050033 # [ 64.645726] CR2: fffffff[ 72.064603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 fb3208330 CR3: 00000001032de006 CR4: 00000000003706f0 # WRITE_R[ 72.078779] irq event stamp: 0 O_AFTER_INIT: saw 'call trace:': ok ok 40 selftests: lkdtm: WRI[ 72.088406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 TE_RO_AFTER_INIT.sh # selftests: lkdtm: WRITE_KERN.sh # Killed[ 72.101613] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 64.816413] lkdtm: Performing direct entry WRITE_KERN # [ 72.116971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 64.827250] lkdtm: attempting bad 6879363 byte write at fffff[ 72.132323] softirqs last disabled at (0): [<0000000000000000>] 0x0 fffb276e503 # [ 64.840954] BUG: unable to handle page fault f[ 72.145551] ---[ end trace d57bcebaeffbda15 ]--- or address: ffffffffb276e503 # [ 64.848661] #PF: supervisor w[ 72.156915] lkdtm: Zero detected: saturated rite access in kernel mode # [ 64.854494] #PF: error_code(0x0003) - permissions violation # [ 64.860715] PGD 169629067 P4D 169629067 PUD 16962a063 PMD 1688000e1 # [ 64.867814] Oops: 0003 [#16] SMP PTI # [ 64.878014] CPU: 3 PID: 2018 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 64.886662] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 64.893468] RIP: 0010:lkdtm_WRITE_KERN+0x38/0x4e # [ 64.898620] Code: 53 48 c7 c3 03 e5 76 b2 49 89 dc 48 89 da 49 81 ec 80 ec 0d b2 4c 89 e6 e8 8a 9b fd ff 48 89 df 4c 89 e1 48 c7 c6 80 ec 0d b2 a4 48 c7 c7 38 bb 18 b3 e8 6f 9b fd ff 5b 41 5c e9 b7 fe ff ff # [ 64.919595] RSP: 0018:ffffacdd028afe50 EFLAGS: 00010246 # [ 64.925427] RAX: 000000000000003c RBX: ffffffffb276e503 RCX: 000000000068f883 # [ 64.933394] RDX: 0000000000000000 RSI: ffffffffb20dec80 RDI: ffffffffb276e503 # [ 64.941360] RBP: ffffffffb318ad42 R08: 0000000000000000 R09: 0000000000000000 # [ 64.949325] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000068f883 # [ 64.957297] R13: ffffacdd028aff10 R14: ffffacdd028aff10 R15: ffff93314410e000 # [ 64.965265] FS: 00007f24352b7580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 64.974300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 64.980714] CR2: ffffffffb276e503 CR3: 0000000104c18003 CR4: 00000000003706e0 # [ 64.988681] Call Trace: # [ 64.991407] direct_entry.cold+0x2c/0x38 # [ 64.995785] full_proxy_write+0x53/0x80 # [ 65.000065] vfs_write+0xe7/0x3[ 72.316052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED [ 72.323780] lkdtm: attempting bad refcount_inc() from saturated [ 72.330439] ------------[ cut here ]------------ [ 72.335629] refcount_t: saturated; leaking memory. [ 72.341008] WARNING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 [ 72.350448] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify [ 72.376894] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 72.385545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 72.392351] RIP: 0010:refcount_warn_saturate+0x51/0x110 [ 72.398186] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 [ 72.419169] RSP: 0018:ffffacdd02e77e48 EFLAGS: 00010286 [ 72.425007] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 [ 72.432978] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 72.440949] RBP: ffffffffb318adc5 R08: 0000000000000000 R09: 0000000000000000 a0 # [ 65.003763] ksys_write+0x68/0xf0 # [ 65.007460] do[ 72.448922] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 _syscall_64+0x30/0x40 # [ 65.011447] entry_SYSCALL_64_after_[ 72.463109] R13: ffffacdd02e77f10 R14: ffffacdd02e77f10 R15: ffff9331438fe000 hwframe+0x61/0xc6 # [ 65.017075] RIP: 0033:0x7f24351cd8f3 # [ 72.477295] FS: 00007f1e4957e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 72.492549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.498967] CR2: 00007f1e49387000 CR3: 0000000103342004 CR4: 00000000003706e0 [ 72.506939] Call Trace: [ 72.509670] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 [ 72.515149] direct_entry.cold+0x2c/0x38 [ 72.519577] full_proxy_write+0x53/0x80 [ 65.021062] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 f[ 72.523876] vfs_write+0xe7/0x3a0 [ 72.533775] ksys_write+0x68/0xf0 [ 72.537476] do_syscall_64+0x30/0x40 [ 72.541468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 72.547108] RIP: 0033:0x7f1e494948f3 [ 72.551100] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 72.572079] RSP: 002b:00007ffc1e5eacf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.580536] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1e494948f3 [ 72.588505] RDX: 0000000000000017 RSI: 00007f1e49387000 RDI: 0000000000000001 [ 72.596476] RBP: 00007f1e49387000 R08: 00007f1e49386010 R09: 0000000000000000 [ 72.604446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 72.612415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 72.620390] irq event stamp: 0 f ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8[ 72.623824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 72.637035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 72.646170] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 72.655305] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 72.662305] ---[ end trace d57bcebaeffbda16 ]--- [ 72.667460] lkdtm: Saturation detected: still saturated 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.042037] RSP: 002b:00007ffdea74bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.050489] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f24351cd8f3 # [ 65.058457] RDX: 000000000000000b RSI: 00007f24350c0000 RDI: 0000000000000001 # [ 65.066424] RBP: 00007f24350c0000 R08: 00007f24350bf010 R09: 0000000000000000 # [ 65.074390] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 65.082357] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 65.090327] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 65.116777] CR2: ffffffffb276e503 # [ 65.126684] ---[ end trace d57bcebaeffbda0b ]--- # [ 65.131838] RIP: 0010:lkdtm_BUG+0x5/0x10 # [ 65.136213] Code: 89 ff e8 fe b5 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 60 fc 93 02 # [ 65.157182] RSP: 0018:ffffacdd014d7e60 EFLAGS: 00010282 # [ 65.163012] RAX: ffffffffb20de8b0 RBX: 0000000000000001 RCX: 0000000000000000 # [ 65.170979] RDX: 0000000000000000 RSI: ffff9331bac1bf70 RDI: ffffffffb2d9ae90 # [ 65.17[ 72.815284] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED [ 72.823094] lkdtm: attempting bad refcount_dec() from saturated [ 72.829713] ------------[ cut here ]------------ 8946] RBP: ffffffffb31e60b8 R08: 0000000000000001 R09: 000000000[ 72.834873] refcount_t: decrement hit 0; leaking memory. 0000001 # [ 65.186912] R10: 00000000ffffe000 R11: 3ffffffffff[ 72.847028] WARNING: CPU: 3 PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 [ 72.862660] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify fffff R12: 0000000000000004 # [ 65.194877] R13: ffffacdd014d7[ 72.889118] CPU: 3 PID: 2420 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 72.904001] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 f10 R14: ffffacdd014d7f10 R15: ffff933144e88000 # [ 65.202845[ 72.910821] RIP: 0010:refcount_warn_saturate+0xfb/0x110 [ 72.922858] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b [ 72.943837] RSP: 0018:ffffacdd02e9fe48 EFLAGS: 00010286 [ 72.949672] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 [ 72.957642] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 72.965612] RBP: ffffffffb318addc R08: 0000000000000000 R09: 0000000000000000 [ 72.973582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 [ 72.981551] R13: ffffacdd02e9ff10 R14: ffffacdd02e9ff10 R15: ffff933143671000 [ 72.989520] FS: 00007f9e1908e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 72.998557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.004973] CR2: 00007f9e18e97000 CR3: 0000000104dee003 CR4: 00000000003706e0 [ 73.012941] Call Trace: [ 73.015672] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f [ 73.021143] direct_entry.cold+0x2c/0x38 [ 73.025546] full_proxy_write+0x53/0x80 [ 73.029830] vfs_write+0xe7/0x3a0 [ 73.033529] ksys_write+0x68/0xf0 ] FS: 00007f24352b7580(0000) GS:ffff9331bad80000(0000) knlGS:00[ 73.037251] do_syscall_64+0x30/0x40 [ 73.047456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 73.053095] RIP: 0033:0x7f9e18fa48f3 [ 73.057086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 73.078066] RSP: 002b:00007ffc4e5d3ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.086523] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9e18fa48f3 [ 73.094493] RDX: 0000000000000017 RSI: 00007f9e18e97000 RDI: 0000000000000001 [ 73.102464] RBP: 00007f9e18e97000 R08: 00007f9e18e96010 R09: 0000000000000000 [ 73.110434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.118406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 00000000000000 # [ 65.211878] CS: 0010 DS: 0000 ES: 0000 CR0[ 73.126385] irq event stamp: 0 : 0000000080050033 # [ 65.218297] CR2: ffffffffb276e503 CR3: [ 73.135995] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 73.149215] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 73.158375] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 73.167509] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 73.174506] ---[ end trace d57bcebaeffbda17 ]--- [ 73.179661] lkdtm: Saturation detected: still saturated 0000000104c18003 CR4: 00000000003706e0 # [ 65.226265] BUG: sleeping function called from invalid context at include/linux/percpu-rwsem.h:49 # [ 65.236165] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2018, name: cat # [ 65.244606] INFO: lockdep is turned off. # [ 65.248980] irq event stamp: 0 # [ 65.252385] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 65.259383] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 65.268515] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 65.277648] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 65.284646] CPU: 3 PID: 2018 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 65.293298] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 65.300099] Call Trace: # [ 65.302825] dump_stack+0x77/0x9b # [ 65.306521] ___might_sleep.cold+0xa6/0xb6 # [ 65.311092] exit_signals+0x1c/0x2e0 # [ 65.315080] do_exit+0xd5/0xb00 # [ 65.318582] ? ksys_write+0x68/0xf0 # [ 65.322472] ? lkdtm_SLAB_FREE_CROSS.cold+0x32/0x32 # [ 65.327906] rewind_stack_do_exit+0x17/0x20 # [ 65.332562] RIP: 0033:0x7f24351cd8f3 # [ 65.336550] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.357527] RSP: 002b:00007ffdea74bd[ 73.324791] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.365971][ 73.335325] lkdtm: attempting bad refcount_dec() from saturated RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00007f24351cd8[ 73.348170] ------------[ cut here ]------------ f3 # [ 65.373937] RDX: 000000000000000b RSI: 00007f24350c0000[ 73.359532] refcount_t: saturated; leaking memory. RDI: 0000000000000001 # [ 65.381903] RBP: 00007f24350c0000 R[ 73.371124] WARNING: CPU: 2 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 08: 00007f24350bf010 R09: 0000000000000000 # [ 65.389869] R10[ 73.386739] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify : fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 73.419370] CPU: 2 PID: 2455 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 65.397837] R13: 0000000000000001 R14: 0000000000020000 R15[ 73.434240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 : 0000000000020000 # WRITE_KERN: saw 'call trace:': ok ok 41 s[ 73.447260] RIP: 0010:refcount_warn_saturate+0x51/0x110 elftests: lkdtm: WRITE_KERN.sh # selftests: lkdtm: REFCOUNT_INC[ 73.459307] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 _OVERFLOW.sh # [ 65.558047] lkdtm: Performing direct entry RE[ 73.486523] RSP: 0018:ffffacdd02f37e48 EFLAGS: 00010286 FCOUNT_INC_OVERFLOW # [ 65.568279] lkdtm: attempting good ref[ 73.498550] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 [ 73.512731] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 count_inc() without overflow # [ 65.581416] lkdtm: attempting[ 73.520704] RBP: ffffffffb318adf3 R08: 0000000000000000 R09: 0000000000000000 [ 73.534881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 bad refcount_inc() overflow # [ 65.593655] ------------[ cut[ 73.542854] R13: ffffacdd02f37f10 R14: ffffacdd02f37f10 R15: ffff9331446ff000 [ 73.557033] FS: 00007f4420f1e580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 here ]------------ # [ 65.605044] refcount_t: saturated; lea[ 73.566072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.578697] CR2: 00007f4420d27000 CR3: 0000000105c98001 CR4: 00000000003706e0 king memory. # [ 65.616621] WARNING: CPU: 0 PID: 2053 at lib/[ 73.586670] Call Trace: refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 65.632245[ 73.595609] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 ] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sens[ 73.607282] direct_entry.cold+0x2c/0x38 ors_core industrialio_triggered_buffer kfifo_buf industrialio cr[ 73.617881] full_proxy_write+0x53/0x80 os_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cro[ 73.628379] vfs_write+0xe7/0x3a0 s_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notif[ 73.638311] ksys_write+0x68/0xf0 y # [ 65.664898] CPU: 0 PID: 2053 Comm: cat Tainted: G D[ 73.648247] do_syscall_64+0x30/0x40 W 5.10.146-cip17 #1 # [ 65.679753] Hardware name: Go[ 73.658451] entry_SYSCALL_64_after_hwframe+0x61/0xc6 ogle Rammus/Rammus, BIOS 09/04/2020 # [ 65.692810] RIP: 0010[ 73.670314] RIP: 0033:0x7f4420e348f3 :refcount_warn_saturate+0x51/0x110 # [ 65.704836] Code: 84 bc[ 73.680520] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee [ 73.707713] RSP: 002b:00007fff37340348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b[ 73.722386] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4420e348f3 c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 # [ 73.736571] RDX: 0000000000000017 RSI: 00007f4420d27000 RDI: 0000000000000001 [ 65.732056] RSP: 0018:ffffacdd02927e48 EFLAGS: 00010286 # [ [ 73.750759] RBP: 00007f4420d27000 R08: 00007f4420d26010 R09: 0000000000000000 65.744095] RAX: 0000000000000000 RBX: 000000000000002b RCX: 00[ 73.764947] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 00000000000000 # [ 65.758304] RDX: ffff9331bac2c660 RSI: ffff[ 73.779134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 9331bac1bf70 RDI: ffff9331bac1bf70 # [ 65.772477] RBP: ffffff[ 73.793328] irq event stamp: 0 ffb318ad4d R08: 0000000000000000 R09: 0000000000000000 # [ 65[ 73.802946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 .786678] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000[ 73.816163] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 0000000016 # [ 65.800847] R13: ffffacdd02927f10 R14: ffffacdd[ 73.831514] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 02927f10 R15: ffff9331430c2000 # [ 65.815056] FS: 00007ff211[ 73.846865] softirqs last disabled at (0): [<0000000000000000>] 0x0 408580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 #[ 73.860083] ---[ end trace d57bcebaeffbda18 ]--- [ 65.830302] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003[ 73.871455] lkdtm: Saturation detected: still saturated 3 # [ 65.842958] CR2: 00007ff211211000 CR3: 00000001057fa004 CR4: 00000000003706f0 # [ 65.857126] Call Trace: # [ 65.866087] lkdtm_REFCOUNT_INC_OVERFLOW+0x70/0x98 # [ 65.877646] direct_entry.cold+0x2c/0x38 # [ 65.888242] full_proxy_write+0x53/0x80 # [ 65.898736] vfs_write+0xe7/0x3a0 # [ 65.908664] ksys_write+0x68/0xf0 # [ 65.918571] do_syscall_64+0x30/0x40 # [ 65.928784] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 65.940637] RIP: 0033:0x7ff21131e8f3 # [ 65.950846] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 65.978039] RSP: 002b:00007ffe9635bb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 65.992725] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007ff21131e8f3 # [ 66.006900] RDX: 0000000000000016 RSI: 00007ff211211000 RDI: 0000000000000001 # [ 66.021102] RBP: 00007ff211211000 R08: 00007ff211210010 R09: 0000000000000000 # [ 66.035277] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 66.049471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 66.063659] irq event stamp: 0 # [ 66.073289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 66.086502] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 66.101859] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.117206] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 66.130455] ---[ end trace d57bcebaeffbda0c ]--- # [ 66.141837] lkdtm: Overflow detected: saturated # REFCOUNT_INC_OVERFLO[ 74.048617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED [ 74.059022] lkdtm: attempting bad refcount_inc_not_zero() from saturated [ 74.066529] ------------[ cut here ]------------ W: saw 'call trace:': ok ok 42 selftests: lkdtm: REFCOUNT_INC_O[ 74.071703] refcount_t: saturated; leaking memory. VERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # [ [ 74.083276] WARNING: CPU: 3 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 [ 74.098905] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify 66.348150] lkdtm: Performing direct entry REFCOUNT_ADD_OVERFLOW[ 74.125370] CPU: 3 PID: 2487 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 74.140245] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.358693] lkdtm: attempting good refcount_add() without [ 74.147058] RIP: 0010:refcount_warn_saturate+0x97/0x110 [ 74.159099] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 [ 74.180082] RSP: 0018:ffffacdd02f2fe38 EFLAGS: 00010282 [ 74.185918] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 [ 74.193887] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 74.201857] RBP: ffffffffb318aa20 R08: 0000000000000000 R09: 0000000000000000 [ 74.209827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 74.217798] R13: ffffacdd02f2ff10 R14: ffffacdd02f2ff10 R15: ffff933144fb5000 [ 74.225769] FS: 00007f36d94e5580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 74.234807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 overflow # [ 66.371820] lkdtm: attempting bad refcount_add() [ 74.241250] CR2: 00007f36d92ee000 CR3: 00000001057f6003 CR4: 00000000003706e0 [ 74.255436] Call Trace: [ 74.258167] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 74.264328] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 [ 74.270680] direct_entry.cold+0x2c/0x38 [ 74.275062] full_proxy_write+0x53/0x80 [ 74.279377] vfs_write+0xe7/0x3a0 [ 74.283111] ksys_write+0x68/0xf0 [ 74.286843] do_syscall_64+0x30/0x40 [ 74.290867] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 74.296540] RIP: 0033:0x7f36d93fb8f3 [ 74.300532] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 74.321542] RSP: 002b:00007ffca4fcaef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.330001] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f36d93fb8f3 [ 74.337971] RDX: 0000000000000020 RSI: 00007f36d92ee000 RDI: 0000000000000001 overflow # [ 66.384061] ------------[ cut here ]------------[ 74.345944] RBP: 00007f36d92ee000 R08: 00007f36d92ed010 R09: 0000000000000000 # [ 66.395428] refcount_t: saturated; leaking memory. # [ [ 74.360129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 74.374315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 74.382303] irq event stamp: 0 66.407022] WARNING: CPU: 2 PID: 2085 at lib/refcount.c:22 refcou[ 74.385738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 74.398945] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 74.408081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 74.417235] softirqs last disabled at (0): [<0000000000000000>] 0x0 nt_warn_saturate+0x51/0x110 # [ 66.422635] Modules linked in:[ 74.424245] ---[ end trace d57bcebaeffbda19 ]--- [ 74.435608] lkdtm: Saturation detected: still saturated fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 66.455266] CPU: 2 PID: 2085 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 66.470129] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 66.483152] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 66.495205] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 # [ 66.522395] RSP: 0018:ffffacdd029afe48 EFLAGS: 00010286 # [ 66.534467] RAX: 0000000000000000 RBX: 000000000000002c RCX: 0000000000000000 # [ 66.548630] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 66.562811] RBP: ffffffffb318ad63 R08: 0000000000000000 R09: 0000000000000000 # [ 66.576995] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 66.591179] R13: ffffacdd029aff10 R14: ffffacdd029aff10 R15: ffff9331436cd000 # [ 66.605367] FS: 00007f20b03a2580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 66.620619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 66.633251] CR2: 00007f20b01ab000 CR3: 0000000103794004 CR4: 00000000003706e0 # [ 66.647435] Call Trace: # [ 66.656382] lkdtm_REFCOUN[ 74.581575] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED T_ADD_OVERFLOW+0x7f/0xa7 # [ 66.667945] direct_entry.cold+0x[ 74.592309] lkdtm: attempting bad refcount_add_not_zero() from saturated 2c/0x38 # [ 66.678537] full_proxy_write+0x53/0x80 # [ 66.[ 74.606045] ------------[ cut here ]------------ 689033] vfs_write+0xe7/0x3a0 # [ 66.698944] ksys_write+0x68[ 74.617388] refcount_t: saturated; leaking memory. /0xf0 # [ 66.708858] do_syscall_64+0x30/0x40 # [ 66.71906[ 74.628966] WARNING: CPU: 0 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 3] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 66.730916] R[ 74.644621] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify IP: 0033:0x7f20b02b88f3 # [ 66.741121] Code: 8b 15 a1 25 0e 0[ 74.677319] CPU: 0 PID: 2519 Comm: cat Tainted: G D W 5.10.146-cip17 #1 0 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25[ 74.692178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff f[ 74.705193] RIP: 0010:refcount_warn_saturate+0x97/0x110 f 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 66.7683[ 74.717231] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 21] RSP: 002b:00007ffea4c139d8 EFLAGS: 00000246 ORIG_RAX: 000000[ 74.744458] RSP: 0018:ffffacdd03037e38 EFLAGS: 00010282 0000000001 # [ 66.782990] RAX: ffffffffffffffda RBX: 00000000[ 74.756468] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 00000016 RCX: 00007f20b02b88f3 # [ 66.797174] RDX: 0000000000[ 74.770674] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 000016 RSI: 00007f20b01ab000 RDI: 0000000000000001 # [ 66.811[ 74.784845] RBP: ffffffffb318aa40 R08: 0000000000000000 R09: 0000000000000000 360] RBP: 00007f20b01ab000 R08: 00007f20b01aa010 R09: 0000000000[ 74.799053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 000000 # [ 66.825546] R10: fffffffffffffbc5 R11: 000000000000[ 74.813225] R13: ffffacdd03037f10 R14: ffffacdd03037f10 R15: ffff933143290000 0246 R12: 0000000000000001 # [ 66.839730] R13: 00000000000000[ 74.827434] FS: 00007ff47f548580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 01 R14: 0000000000020000 R15: 0000000000020000 # [ 66.853919][ 74.842670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 irq event stamp: 0 # [ 66.863534] hardirqs last enabled at [ 74.855324] CR2: 00007ff47f351000 CR3: 00000001027b2004 CR4: 00000000003706f0 (0): [<0000000000000000>] 0x0 # [ 66.876750] hardirqs last di[ 74.869493] Call Trace: sabled at (0): [] copy_process+0x640/0x1c80 #[ 74.878464] __refcount_add_not_zero.constprop.0+0x2a/0x35 [ 66.892098] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 66.907448] softirqs last di[ 74.903347] direct_entry.cold+0x2c/0x38 sabled at (0): [<0000000000000000>] 0x0 # [ 66.920663] ---[ e[ 74.913924] full_proxy_write+0x53/0x80 nd trace d57bcebaeffbda0d ]--- # [ 66.932031] lkdtm: Overflow[ 74.924444] vfs_write+0xe7/0x3a0 detected: saturated # REFCOUNT_ADD_OVERFLOW: saw 'call trace:'[ 74.934337] ksys_write+0x68/0xf0 : ok ok 43 selftests: lkdtm: REFCOUNT_ADD_OVERFLOW.sh # selfte[ 74.944318] do_syscall_64+0x30/0x40 sts: lkdtm: REFCOUNT_INC_NOT_ZERO_OVERFLOW.sh # [ 67.060306] [ 74.954473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_OVERFLOW #[ 74.966357] RIP: 0033:0x7ff47f45e8f3 [ 67.068972] lkdtm: attempting bad refcount_inc_not_zero() ov[ 74.976545] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 erflow # [ 67.082096] ------------[ cut here ]------------ #[ 75.003748] RSP: 002b:00007ffc48c577e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.093459] refcount_t: saturated; leaking memory. # [ 67[ 75.018398] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff47f45e8f3 .105055] WARNING: CPU: 2 PID: 2117 at lib/refcount.c:19 refcount[ 75.032619] RDX: 0000000000000020 RSI: 00007ff47f351000 RDI: 0000000000000001 _warn_saturate+0x97/0x110 # [ 67.120666] Modules linked in: f[ 75.046777] RBP: 00007ff47f351000 R08: 00007ff47f350010 R09: 0000000000000000 [ 75.060952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 use ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_[ 75.068933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_li[ 75.083135] irq event stamp: 0 ghtbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg[ 75.092763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 _temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.153328] CP[ 75.105984] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 U: 2 PID: 2117 Comm: cat Tainted: G D W 5.10.146-ci[ 75.121341] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 p17 #1 # [ 67.168159] Hardware name: Google Rammus/Rammus, BI[ 75.136688] softirqs last disabled at (0): [<0000000000000000>] 0x0 OS 09/04/2020 # [ 67.181176] RIP: 0010:refcount_warn_saturat[ 75.149913] ---[ end trace d57bcebaeffbda1a ]--- e+0x97/0x110 # [ 67.193247] Code: 01 01 e8 27 86 98 00 0f 0b [ 75.161317] lkdtm: Saturation detected: still saturated c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 # [ 67.220443] RSP: 0018:ffffacdd029f7e38 EFLAGS: 00010282 # [ 67.232491] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.246676] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 67.260862] RBP: ffffffffb318a9a0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.275047] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 67.289249] R13: ffffacdd029f7f10 R14: ffffacdd029f7f10 R15: ffff933144e59000 # [ 67.303434] FS: 00007fb713640580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 67.318685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 67.331317] CR2: 00007fb713449000 CR3: 0000000104e36001 CR4: 00000000003706e0 # [ 67.345503] Call Trace: # [ 67.354449] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 67.366810] lkdtm_REFCOUNT_INC_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ 67.379257] direct_entry.cold+0x2c/0x38 # [ 67.389848] full_proxy_write+0x53/0x80 # [ 67.400345] vfs_write+0xe7/0x3a0 # [ 67.410259] ksys_write+0x68/0xf0 # [ 67.420168] do_syscall_64+0x30/0x40 # [ 67.430373] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 67.442252] RIP: 0033:0x7fb7135568f3 # [ 67.452454] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 67.479649] RSP: 002b:00007ffc04cf9278 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 67.494319] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fb7135568f3 # [ 67.508502] RDX: 000000000000001f RSI: 00007fb713449000 RDI: 0000000000000001 # [ 67.522687] RBP: 00007fb713449000 R08: 00007fb713448010 R09: 0000000000000000 # [ 67.536872] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 67.551056] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 67.565258] irq event stamp: 0 # [ 67.574872] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 67.588089] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 67.603435] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 67.618785] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 67.631999] ---[ end trace d57bcebaeffbda0e ]--- # [ 67.643370] lkdtm: [ 75.416064] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED [ 75.429860] lkdtm: attempting bad refcount_dec_and_test() from saturated Overflow detected: saturated # REFCOUNT_INC_NOT_ZERO_OVERFLOW: [ 75.437388] ------------[ cut here ]------------ [ 75.448736] refcount_t: underflow; use-after-free. [ 75.454106] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 [ 75.463539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify saw 'call trace:': ok ok 44 selftests: lkdtm: REFCOUNT_INC_NOT_[ 75.490000] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 75.504855] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 75.511661] RIP: 0010:refcount_warn_saturate+0xba/0x110 [ 75.517497] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 [ 75.538480] RSP: 0018:ffffacdd030e7e40 EFLAGS: 00010286 [ 75.544348] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 [ 75.552319] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 [ 75.560300] RBP: ffffffffb318aa60 R08: 0000000000000000 R09: 0000000000000000 [ 75.568284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 [ 75.576295] R13: ffffacdd030e7f10 R14: ffffacdd030e7f10 R15: ffff93314380a000 [ 75.584266] FS: 00007f3fe7697580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 [ 75.593327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.599744] CR2: 00007f3fe74a0000 CR3: 000000010335a003 CR4: 00000000003706e0 [ 75.607713] Call Trace: [ 75.610444] __refcount_sub_and_test.constprop.0+0x3c/0x50 [ 75.616604] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 [ 75.622956] direct_entry.cold+0x2c/0x38 [ 75.627344] full_proxy_write+0x53/0x80 [ 75.631659] vfs_write+0xe7/0x3a0 [ 75.635382] ksys_write+0x68/0xf0 [ 75.639084] do_syscall_64+0x30/0x40 [ 75.643105] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 75.648776] RIP: 0033:0x7f3fe75ad8f3 [ 75.652767] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 75.673747] RSP: 002b:00007fff8c381b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.682253] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3fe75ad8f3 [ 75.690241] RDX: 0000000000000020 RSI: 00007f3fe74a0000 RDI: 0000000000000001 ZERO_OVERFLOW.sh # selftests: lkdtm: REFCOUNT_ADD_NOT_ZERO_OVER[ 75.698221] RBP: 00007f3fe74a0000 R08: 00007f3fe749f010 R09: 0000000000000000 FLOW.sh # [ 67.788854] lkdtm: Performing direct entry REFCOUN[ 75.712405] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 T_ADD_NOT_ZERO_OVERFLOW # [ 67.799229] lkdtm: attempting bad [ 75.726589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 [ 75.740796] irq event stamp: 0 refcount_add_not_zero() overflow # [ 67.812352] ------------[[ 75.744218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 [ 75.757424] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 [ 75.766580] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 [ 75.775740] softirqs last disabled at (0): [<0000000000000000>] 0x0 cut here ]------------ # [ 67.823716] refcount_t: saturated;[ 75.782755] ---[ end trace d57bcebaeffbda1b ]--- [ 75.794113] lkdtm: Saturation detected: still saturated leaking memory. # [ 67.835325] WARNING: CPU: 2 PID: 2149 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 67.850922] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 67.883553] CPU: 2 PID: 2149 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 67.898412] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 67.911434] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 67.923488] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 # [ 67.950677] RSP: 0018:ffffacdd02a9fe38 EFLAGS: 00010282 # [ 67.962724] RAX: 0000000000000000 RBX: 000000007fffffff RCX: 0000000000000000 # [ 67.970697] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 67.984874] RBP: ffffffffb318a9c0 R08: 0000000000000000 R09: 0000000000000000 # [ 67.992847] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 68.007026] R13: ffffacdd02a9ff10 R14: ffffacdd02a9ff10 R15: ffff9331437fd000 # [ 68.014999] FS: 00007f7d53fca580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 68.030249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.036669] CR2: 00007f7d53dd3000 CR3: 0000000104dfe[ 75.947505] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED 001 CR4: 00000000003706e0 # [ 68.050846] Call Trace: # [ 6[ 75.957063] lkdtm: attempting bad refcount_sub_and_test() from saturated 8.053580] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ [ 75.970763] ------------[ cut here ]------------ [ 75.982109] refcount_t: underflow; use-after-free. 68.065912] lkdtm_REFCOUNT_ADD_NOT_ZERO_OVERFLOW+0x3e/0x76 # [ [ 75.987470] WARNING: CPU: 2 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 68.078349] direct_entry.cold+0x2c/0x38 # [ 68.088944] ful[ 76.003098] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify l_proxy_write+0x53/0x80 # [ 68.099439] vfs_write+0xe7/0x3a0[ 76.035737] CPU: 2 PID: 2589 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 68.109352] ksys_write+0x68/0xf0 # [ 68.119267] do_sy[ 76.050612] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 scall_64+0x30/0x40 # [ 68.129471] entry_SYSCALL_64_after_hwf[ 76.063633] RIP: 0010:refcount_warn_saturate+0xba/0x110 rame+0x61/0xc6 # [ 68.141324] RIP: 0033:0x7f7d53ee08f3 # [ [ 76.075678] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 68.145315] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff f[ 76.102877] RSP: 0018:ffffacdd0316fe40 EFLAGS: 00010286 f ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01[ 76.114929] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 e[ 76.129116] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 c 28 48 89 54 24 18 # [ 68.172504] RSP: 002b:00007ffe4d67bcd8[ 76.143304] RBP: ffffffffb318aa80 R08: 0000000000000000 R09: 0000000000000000 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.180965] R[ 76.157492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 AX: ffffffffffffffda RBX: 000000000000001f RCX: 00007f7d53ee08f3[ 76.171683] R13: ffffacdd0316ff10 R14: ffffacdd0316ff10 R15: ffff933143853000 # [ 68.195146] RDX: 000000000000001f RSI: 00007f7d53dd3000 R[ 76.185874] FS: 00007f5449672580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 DI: 0000000000000001 # [ 68.209328] RBP: 00007f7d53dd3000 R08[ 76.201131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 : 00007f7d53dd2010 R09: 0000000000000000 # [ 68.223512] R10: [ 76.213767] CR2: 00007f544947b000 CR3: 00000001033d0003 CR4: 00000000003706e0 fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.227957] Call Trace: [ 68.231484] R13: 0000000000000001 R14: 0000000000020000 R15: [ 76.236908] __refcount_sub_and_test.constprop.0+0x3c/0x50 0000000000020000 # [ 68.245692] irq event stamp: 0 # [ 68.[ 76.249252] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 255309] hardirqs last enabled at (0): [<0000000000000000>] 0x0[ 76.261793] direct_entry.cold+0x2c/0x38 # [ 68.268521] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.283870] softirqs last [ 76.282894] vfs_write+0xe7/0x3a0 enabled at (0): [] copy_process+0x640/0x1c80[ 76.292814] ksys_write+0x68/0xf0 # [ 68.293008] softirqs last disabled at (0): [<0000000000000[ 76.302731] do_syscall_64+0x30/0x40 000>] 0x0 # [ 68.306216] ---[ end trace d57bcebaeffbda0f ]---[ 76.312941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.311397] lkdtm: Overflow detected: saturated # REFCOU[ 76.324801] RIP: 0033:0x7f54495888f3 NT_ADD_NOT_ZERO_OVERFLOW: saw 'call trace:': ok ok 45 selftests[ 76.335010] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 : lkdtm: REFCOUNT_ADD_NOT_ZERO_OVERFLOW.sh # selftests: lkdtm: [ 76.362216] RSP: 002b:00007ffcc0f1b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 REFCOUNT_DEC_ZERO.sh # [ 68.455657] lkdtm: Performing direct [ 76.376893] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f54495888f3 entry REFCOUNT_DEC_ZERO # [ 68.465724] lkdtm: attempting good[ 76.391085] RDX: 0000000000000020 RSI: 00007f544947b000 RDI: 0000000000000001 refcount_dec() # [ 68.470978] lkdtm: attempting bad refcount[ 76.405276] RBP: 00007f544947b000 R08: 00007f544947a010 R09: 0000000000000000 _dec() to zero # [ 68.476939] ------------[ cut here ]-------[ 76.419468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 ----- # [ 68.488305] refcount_t: decrement hit 0; leaking mem[ 76.433660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 ory. # [ 68.494280] WARNING: CPU: 3 PID: 2181 at lib/refcount[ 76.447860] irq event stamp: 0 .c:31 refcount_warn_saturate+0xfb/0x110 # [ 68.503736] Module[ 76.457482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 s linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core[ 76.470702] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sy[ 76.486053] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 sfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sen[ 76.501405] softirqs last disabled at (0): [<0000000000000000>] 0x0 sorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ [ 76.514622] ---[ end trace d57bcebaeffbda1c ]--- 68.530186] CPU: 3 PID: 2181 Comm: cat Tainted: G D W [ 76.525993] lkdtm: Saturation detected: still saturated 5.10.146-cip17 #1 # [ 68.545053] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 68.551913] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 68.557757] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 68.584943] RSP: 0018:ffffacdd02affe48 EFLAGS: 00010286 # [ 68.590794] RAX: 0000000000000000 RBX: 000000000000002f RCX: 0000000000000000 # [ 68.598763] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 68.606733] RBP: ffffffffb318ad79 R08: 0000000000000000 R09: 0000000000000000 # [ 68.614703] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 68.622674] R13: ffffacdd02afff10 R14: ffffacdd02afff10 R15: ffff9331454d5000 # [ 68.630643] FS: 00007f0a20c6e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 68.639682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 68.646099] CR2: 00007f0a20a77000 CR3: 00000001033d0006 CR4: 00000000003706e0 # [ 68.654069] Call Trace: # [ 68.656802] lkdtm_REFCOUNT_DEC_ZERO+0x4d/0xbd # [ 68.661795] direct_entry.cold+0x2c/0x38 # [ 68.666199] full_proxy_write+0x53/0x80 # [ 68.670508] vfs_write+0xe7/0x3a0 # [ 68.674252] ksys_write+0x68/0xf0 # [ 68.684167] do_syscall_64+0x30/0x40 # [ 68.688183] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 68.693825] RIP: 0033:0x7f0a20b848f3 # [ 68.697815] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 68.718795] RSP: 002b:00007ffcb853ceb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 68.727254] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f0a20b848f3 # [ 68.735227] RDX: 0000000000000012 RSI: 00007f0a20a77000 RDI: 0000000000000001 # [ 68.749406] RBP: 00007f0a20a77000 R08: 00007f0a20a76010 R09: 0000000000000000 # [ 68.757378] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 68.771562] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 68.785770] irq event stamp: 0 # [ 68.789178] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 68.802386] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 68.811545] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 68.820679] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 68.827680] ---[ end trace d57bcebaeffbda10 ]--- # [ 68.832836] 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 # [ 69.007455] lkdtm: Performing direct entry REFCOUNT_DEC_NEGATIVE # [ 69.018550] lkdtm: attempting bad refcount_dec() below zero # [ 69.030993] ------------[ cut here ]------------ # [ 69.042358] refcount_t: decrement hit 0; leaking memory. # [ 69.054537] WARNING: CPU: 2 PID: 2216 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 69.070147] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_[ 76.856005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev [ 76.868113] lkdtm: attempting good copy_to_user of correct size cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_d[ 76.880970] lkdtm: attempting bad copy_to_user of too large size ev cros_usbpd_notify # [ 69.102806] CPU: 2 PID: 2216 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 69.117648] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.130666] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 69.136504] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 69.163688] RSP: 0018:ffffacdd02ba7e48 EFLAGS: 00010286 # [ 69.175740] RAX: 0000000000000000 RBX: 0000000000000030 RCX: 0000000000000000 # [ 69.189922] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 69.197894] RBP: ffffffffb318ad8b R08: 0000000000000000 R09: 0000000000000000 # [ 69.212077] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000016 # [ 69.226262] R13: ffffacdd02ba7f10 R14: ffffacdd02ba7f10 R15: ffff9331427b3000 # [ 69.234250] FS: 00007f99aa225580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 69.249496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.262126] CR2: 00007f99aa02e000 CR3: 0000000104fae002 CR4: 00000000003706e0 # [ 69.270098] Call Trace: # [ 69.279038] lkdtm_REFCOUNT_DEC_NEGATIVE+0x37/0x61 # [ 69.286523] direct_entry.cold+0x2c/0x38 # [ 69.290927] full_proxy_write+0x53/0x80 # [ 69.301421] vfs_write+0xe7/0x3a0 # [ 69.311361] ksys_write+0x68/0xf0 # [ 69.315071] do_syscall_64+0x30/0x40 # [ 69.319071] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.324719] RIP: 0033:0x7f99aa13b8f3 # [ 69.328711] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0[ 77.051438] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM [ 77.062501] lkdtm: attempting good copy_from_user of correct size [ 77.069369] lkdtm: attempting bad copy_from_user of too large size ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.349693] RSP: 002b:00007ffdf7435478 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.358151] RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f99aa13b8f3 # [ 69.366123] RDX: 0000000000000016 RSI: 00007f99aa02e000 RDI: 0000000000000001 # [ 69.374095] RBP: 00007f99aa02e000 R08: 00007f99aa02d010 R09: 0000000000000000 # [ 69.388296] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.396268] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.410469] irq event stamp: 0 # [ 69.420068] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.427073] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.442412] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 69.457761] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 69.464764] ---[ end trace d57bcebaeffbda11 ]--- # [ 69.476128] 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 # [ 69.634114] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_NEGATIVE # [ 69.644311] lkdtm: attempting bad refcount_dec_and_test() below zero # [ 69.651420] ------------[ cut here ]------------ # [ 69.656585] refcount_t: underflow; use-after-free. # [ 69.668159] WARNING: CPU: 3 PID: 2251 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 69.683791] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar[ 77.250603] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO [ 77.263928] lkdtm: attempting good copy_to_user inside whitelist [ 77.270668] lkdtm: attempting bad copy_to_user outside whitelist cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 69.710243] CPU: 3 PID: 2251 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 69.725122] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 69.731942] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 69.743982] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 69.764962] RSP: 0018:ffffacdd02c47e40 EFLAGS: 00010286 # [ 69.770797] RAX: 0000000000000000 RBX: 0000000000000031 RCX: 0000000000000000 # [ 69.778767] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 69.786736] RBP: ffffffffb318a9e0 R08: 0000000000000000 R09: 0000000000000000 # [ 69.794706] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 69.802674] R13: ffffacdd02c47f10 R14: ffffacdd02c47f10 R15: ffff93314332e000 # [ 69.810645] FS: 00007fe3a60b0580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 69.819684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 69.826101] CR2: 00007fe3a5eb9000 CR3: 000000010571a006 CR4: 00000000003706e0 # [ 69.834072] Call Trace: # [ 69.836802] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 69.842930] lkdtm_REFCOUNT_DEC_AND_TEST_NEGATIVE+0x3e/0x78 # [ 69.849155] direct_entry.cold+0x2c/0x38 # [ 69.853534] full_proxy_write+0x53/0x80 # [ 69.857817] vfs_write+0xe7/0x3a0 # [ 69.861518] ksys_write+0x68/0xf0 # [ 69.865218] do_syscall_64+0x30/0x40 # [ 69.869251] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 69.881105] RIP: 0033:0x7fe3a5fc68f3 # [ 69.885096] Code: 8b 15 a1 25 0e[ 77.445643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 [ 77.458940] lkdtm: attempting good copy_from_user inside whitelist 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff[ 77.472082] lkdtm: attempting bad copy_from_user outside whitelist ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 69.906076] RSP: 002b:00007ffc90fb5f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 69.914533] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe3a5fc68f3 # [ 69.922503] RDX: 000000000000001f RSI: 00007fe3a5eb9000 RDI: 0000000000000001 # [ 69.930472] RBP: 00007fe3a5eb9000 R08: 00007fe3a5eb8010 R09: 0000000000000000 # [ 69.938444] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 69.952631] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 69.960607] irq event stamp: 0 # [ 69.970238] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 69.977249] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 69.992594] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.001732] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.008733] ---[ end trace d57bcebaeffbda12 ]--- # [ 70.013890] 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 # [ 70.181540] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_NEGATIVE # [ 70.194709] lkdtm: attempting bad refcount_sub_and_test() below zero # [ 70.201814] ------------[ cut here ]------------ # [ 70.206985] refcount_t: underflow; use-after-free. # [ 70.212359] WARNING: CPU: 1 PID: 2286 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 70.221792] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.248255] CPU: 1 PID: 2286 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 70.256910] [ 77.677474] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.[ 77.684826] lkdtm: good_stack: ffffacdd0352fe20-ffffacdd0352fe40 269927] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 70.27[ 77.697771] lkdtm: bad_stack : ffffacdd0352fda8-ffffacdd0352fdc8 5784] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 4[ 77.710712] lkdtm: attempting good copy_to_user of local stack 9 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1[ 77.723456] lkdtm: attempting bad copy_to_user of distant stack 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 70.296788] RSP: 0018:ffffacdd02cc7e40 EFLAGS: 00010286 # [ 70.302636] RAX: 0000000000000000 RBX: 0000000000000032 RCX: 0000000000000000 # [ 70.316813] RDX: ffff9331bacac660 RSI: ffff9331bac9bf70 RDI: ffff9331bac9bf70 # [ 70.330994] RBP: ffffffffb318aa00 R08: 0000000000000000 R09: 0000000000000000 # [ 70.338968] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 000000000000001f # [ 70.353144] R13: ffffacdd02cc7f10 R14: ffffacdd02cc7f10 R15: ffff933143673000 # [ 70.361120] FS: 00007fe0b5efb580(0000) GS:ffff9331bac80000(0000) knlGS:0000000000000000 # [ 70.376364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 70.388997] CR2: 00007fe0b5d04000 CR3: 000000010271c001 CR4: 00000000003706e0 # [ 70.396967] Call Trace: # [ 70.402123] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 70.414460] lkdtm_REFCOUNT_SUB_AND_TEST_NEGATIVE+0x3e/0x7b # [ 70.426900] direct_entry.cold+0x2c/0x38 # [ 70.435164] full_proxy_write+0x53/0x80 # [ 70.445663] vfs_write+0xe7/0x3a0 # [ 70.453826] ksys_write+0x68/0xf0 # [ 70.462966] do_syscall_64+0x30/0x40 # [ 70.473170] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 70.485024] RIP: 0033:0x7fe0b5e118f3 # [ 70.495228] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 70.522425] RSP: 002b:00007ffec8e165a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 70.537097] RAX: ffffffffffffffda RBX: 000000000000001f RCX: 00007fe0b5e118f3 # [ 70.551282] RDX: 000000000000001f RSI: 00007fe0b5d04000 RDI: 0000000000000001 # [ 70.561582] RBP: 00007fe0b5d04000 R08: 00007fe0b5d03010 R09: 0000000000000000 # [ 70.569554] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000[ 77.918298] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM [ 77.929824] lkdtm: good_stack: ffffacdd03507e20-ffffacdd03507e40 [ 77.936536] lkdtm: bad_stack : ffffacdd03507da8-ffffacdd03507dc8 [ 77.943283] lkdtm: attempting good copy_from_user of local stack [ 77.950024] lkdtm: attempting bad copy_from_user of distant stack 000000001 # [ 70.577717] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 70.585696] irq event stamp: 0 # [ 70.589112] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 70.596113] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 70.605249] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 70.614384] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 70.621384] ---[ end trace d57bcebaeffbda13 ]--- # [ 70.626538] 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 # [ 70.799733] lkdtm: Performing direct entry REFCOUNT_INC_ZERO # [ 70.812262] lkdtm: attempting safe refcount_inc_not_zero() from zero # [ 70.825580] lkdtm: Good: zero detected # [ 70.836002] lkdtm: Correctly stayed at zero # [ 70.846948] lkdtm: attempting bad refcount_inc() from zero # [ 70.859325] ------------[ cut here ]------------ # [ 70.870666] refcount_t: addition on 0; use-after-free. # [ 70.882628] WARNING: CPU: 0 PID: 2318 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 70.898273] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 70.930937] CPU: 0 PID: 2318 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 70.945845] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 70.958873] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 70.970958] Code: 01 01 e8 4a 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 b3 c6 05 7b 49 94 01 01 e8 27 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 # [ 70.998152] RSP: 0018:ffffacdd02d57e48 EFLAGS: 000102[ 78.154008] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND 86 # [ 71.010233] RAX: 0000000000000000 RBX: 0000000000000033[ 78.162467] lkdtm: good_stack: ffffacdd0364fe20-ffffacdd0364fe40 RCX: 0000000000000000 # [ 71.024437] RDX: ffff9331bac2c660 R[ 78.175420] lkdtm: bad_stack : ffffacdd0364fff8-ffffacdd03650018 SI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 # [ 71.038650] RBP[ 78.188331] lkdtm: attempting good copy_to_user of local stack : ffffffffb318ada1 R08: 0000000000000000 R09: 0000000000000000 [ 78.201091] lkdtm: attempting bad copy_to_user of distant stack # [ 71.052863] R10: 00000000ffffe000 R11: 3fffffffffffffff R12[ 78.213901] lkdtm: copy_to_user failed, but lacked Oops : 0000000000000012 # [ 71.067061] R13: ffffacdd02d57f10 R14: ffffacdd02d57f10 R15: ffff933144f97000 # [ 71.081270] FS: 00007f8411e44580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 71.096562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.109191] CR2: 00007f8411c4d000 CR3: 0000000103312005 CR4: 00000000003706f0 # [ 71.123442] Call Trace: # [ 71.132411] lkdtm_REFCOUNT_INC_ZERO+0x99/0xc1 # [ 71.143570] direct_entry.cold+0x2c/0x38 # [ 71.154168] full_proxy_write+0x53/0x80 # [ 71.164732] vfs_write+0xe7/0x3a0 # [ 71.174680] ksys_write+0x68/0xf0 # [ 71.184616] do_syscall_64+0x30/0x40 # [ 71.194818] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 71.206650] RIP: 0033:0x7f8411d5a8f3 # [ 71.216862] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.244060] RSP: 002b:00007ffc321409e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 71.258761] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8411d5a8f3 # [ 71.272914] RDX: 0000000000000012 RSI: 00007f8411c4d000 RDI: 0000000000000001 # [ 71.287105] RBP: 00007f8411c4d000 R08: 00007f8411c4c010 R09: 0000000000000000 # [ 71.301284] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 71.315471] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 71.329673] irq event stamp: 0 # [ 71.339289] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 71.352512] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 71.367849] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 71.383242] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 71.396440] ---[ end trace d57bcebaeffbda14 ]--- # [ 71.407808] 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 # [ 71.550658] l[ 78.427836] lkdtm: Performing direct entry USERCOPY_KERNEL [ 78.437333] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2d9b330 kdtm: Performing direct entry REFCOUNT_ADD_ZERO # [ 71.561882[ 78.446033] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb1ae2e10 [ 78.460575] lkdtm: FAIL: survived bad copy_to_user() ] lkdtm: attempting safe refcount_add_not_zero() from zero # [ 71.575199] lkdtm: Good: zero detected # [ 71.585594] lkdtm: Correctly stayed at zero # [ 71.596466] lkdtm: attempting bad refcount_add() from zero # [ 71.608857] ------------[ cut here ]------------ # [ 71.620214] refcount_t: addition on 0; use-after-free. # [ 71.632207] WARNING: CPU: 0 PID: 2350 at lib/refcount.c:25 refcount_warn_saturate+0x74/0x110 # [ 71.647806] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 71.680436] CPU: 0 PID: 2350 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 71.695310] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 71.708362] RIP: 0010:refcount_warn_saturate+0x74/0x110 # [ 71.720372] Code: 01 01 e8 4a 86 98 00 0f 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 b3 c6 05 7b 49 94 01 01 e8 27 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 # [ 71.747574] RSP: 0018:ffffacdd02db7e48 EFLAGS: 00010286 # [ 71.759624] RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000000 # [ 71.773817] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 # [ 71.788003] RBP: ffffffffb318adb3 R08: 0000000000000000 R09: 0000000000000000 # [ 71.802182] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000012 # [ 71.816373] R13: ffffacdd02db7f10 R14: ffffacdd02db7f10 R15: ffff9331455c0000 # [ 71.830571] FS: 00007f8109b5f580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 71.845807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 71.858458] CR2: 00007f8109968000 CR3: 000000010366a00[ 78.644332] lkdtm: Performing direct entry STACKLEAK_ERASING 6 CR4: 00000000003706f0 # [ 71.872633] Call Trace: # [ 71.[ 78.652740] lkdtm: checking unused part of the thread stack (15928 bytes)... 881608] lkdtm_REFCOUNT_ADD_ZERO+0x99/0xc1 # [ 71.892759] di[ 78.666854] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) rect_entry.cold+0x2c/0x38 # [ 71.903359] full_proxy_write+0x[ 78.680822] lkdtm: FAIL: the thread stack is NOT properly erased 53/0x80 # [ 71.913850] vfs_write+0xe7/0x3a0 # [ 71.923773[ 78.693747] CPU: 2 PID: 2954 Comm: cat Tainted: G D W 5.10.146-cip17 #1 [ 78.708606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 [ 78.715409] Call Trace: ] ksys_write+0x68/0xf0 # [ 71.933684] do_syscall_64+0x30/0x[ 78.718140] dump_stack+0x77/0x9b [ 78.728051] lkdtm_STACKLEAK_ERASING+0x116/0x144 40 # [ 71.943899] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.733206] direct_entry.cold+0x2c/0x38 [ 78.743794] full_proxy_write+0x53/0x80 # [ 71.955750] RIP: 0033:0x7f8109a758f3 # [ 71.965965] Code[ 78.748076] vfs_write+0xe7/0x3a0 [ 78.757983] ksys_write+0x68/0xf0 [ 78.761680] do_syscall_64+0x30/0x40 [ 78.765671] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 78.771308] RIP: 0033:0x7fb4bd6d38f3 [ 78.775297] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 78.796287] RSP: 002b:00007ffe66a6d1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 : 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f[ 78.804746] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb4bd6d38f3 [ 78.818925] RDX: 0000000000000012 RSI: 00007fb4bd5c6000 RDI: 0000000000000001 [ 78.826893] RBP: 00007fb4bd5c6000 R08: 00007fb4bd5c5010 R09: 0000000000000000 [ 78.834861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 [ 78.842819] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 71.993152] RSP: 002b:00007ffe12835838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.007886] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007f8109a758f3 # [ 72.022024] RDX: 0000000000000012 RSI: 00007f8109968000 RDI: 0000000000000001 # [ 72.036235] RBP: 00007f8109968000 R08: 00007f8109967010 R09: 0000000000000000 # [ 72.050402] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.064603] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.078779] irq event stamp: 0 # [ 72.088406] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.101613] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.116971] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.132323] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.145551] ---[ end trace d57bcebaeffbda15 ]--- # [ 72.156915] 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 # [ 72.316052] lkdtm: Performing direct entry REFCOUNT_INC_SATURATED # [ 72.323780] lkdtm: attempting bad refcount_inc() from saturated # [ 72.330439] ------------[ cut here ]------------ # [ 72.335629] refcount_t: saturated; leaking memory. # [ 72.341008] WARN[ 78.994882] lkdtm: Performing direct entry CFI_FORWARD_PROTO [ 79.006308] lkdtm: Calling matched prototype ... [ 79.011485] lkdtm: Calling mismatched prototype ... ING: CPU: 3 PID: 2385 at lib/refcount.c:22 refcount_warn_saturat[ 79.016956] lkdtm: Fail: survived mismatched prototype function call! e+0x51/0x110 # [ 72.350448] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.376894] CPU: 3 PID: 2385 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 72.385545] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.392351] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 72.398186] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 # [ 72.419169] RSP: 0018:ffffacdd02e77e48 EFLAGS: 00010286 # [ 72.425007] RAX: 0000000000000000 RBX: 0000000000000035 RCX: 0000000000000000 # [ 72.432978] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 72.440949] RBP: ffffffffb318adc5 R08: 0000000000000000 R09: 0000000000000000 # [ 72.448922] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.463109] R13: ffffacdd02e77f10 R14: ffffacdd02e77f10 R15: ffff9331438fe000 # [ 72.477295] FS: 00007f1e4957e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 72.492549] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 72.498967] CR2: 00007f1e49387000 CR3: 0000000103342004 CR4: 00000000003706e0 # [ 72.506939] Call Trace: # [ 72.509670] lkdtm_REFCOUNT_INC_SATURATED+0x3c/0x64 # [ 72.515149] direct_entry.cold+0x2c/0x38 # [ 72.519577] full_proxy_write+0x53/0x80 # [ 72.523876] vfs_write+0xe7/0x3a0 # [ 72.533775] ksys_write+0x68/0xf0 # [ 72.537476] do_syscall_64+0x30/0x40 # [ 72.541468] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 72.547108] RIP: 0033:0x7f1e494948f3 # [ 72.551100] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 72.572079] RSP: 002b:00007ffc1e5eacf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 72.580536] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f1e494948f3 # [ 72.588505] RDX: 0000000000000017 RSI: 00007f1e49387000 RDI: 0000000000000001 # [ 72.596476] RBP: 00007f1e49387000 R08: 00007f1e49386010 R09: 0000000000000000 # [ 72.604446] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 72.612415] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 72.620390] irq event stamp: 0 # [ 72.623824] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 72.637035] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 72.646170] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 72.655305] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 72.662305] ---[ end trace d57bcebaeffbda16 ]--- # [ 72.667460] 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 # [ 72.815284] lkdtm: Performing direct entry REFCOUNT_DEC_SATURATED # [ 72.823094] lkdtm: attempting bad refcount_dec() from saturated # [ 72.829713] ------------[ cut here ]------------ # [ 72.834873] refcount_t: decrement hit 0; leaking memory. # [ 72.847028] WARNING: CPU: 3 PID: 2420 at lib/refcount.c:31 refcount_warn_saturate+0xfb/0x110 # [ 72.862660] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 72.889118] CPU: 3 PID: 2420 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 72.904001] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 72.910821] RIP: 0010:refcount_warn_saturate+0xfb/0x110 # [ 72.922858] Code: 38 68 12 b3 c6 05 0b 49 94 01 01 e8 ba 85 98 00 0f 0b c3 cc cc cc cc 48 c7 c7 08 68 12 b3 c6 05 f2 48 94 01 01 e8 a0 85 98 00 <0f> 0b c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 8b # [ 72.943837] RSP: 0018:ffffacdd02e9fe48 EFLAGS: 00010286 # [ 72.949672] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 0000000000000000 # [ 72.957642] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 72.965612] RBP: ffffffffb318addc R08: 0000000000000000 R09: 0000000000000000 # [ 72.973582] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 72.981551] R13: ffffacdd02e9ff10 R14: ffffacdd02e9ff10 R15: ffff933143671000 # [ 72.989520] FS: 00007f9e1908e580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 72.998557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.004973] CR2: 00007f9e18e97000 CR3: 0000000104dee003 CR4: 00000000003706e0 # [ 73.012941] Call Trace: # [ 73.015672] lkdtm_REFCOUNT_DEC_SATURATED+0x37/0x5f # [ 73.021143] direct_entry.cold+0x2c/0x38 # [ 73.025546] full_proxy_write+0x53/0x80 # [ 73.029830] vfs_write+0xe7/0x3a0 # [ 73.033529] ksys_write+0x68/0xf0 # [ 73.037251] do_syscall_64+0x30/0x40 # [ 73.047456] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.053095] RIP: 0033:0x7f9e18fa48f3 # [ 73.057086] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.078066] RSP: 002b:00007ffc4e5d3ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.086523] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f9e18fa48f3 # [ 73.094493] RDX: 0000000000000017 RSI: 00007f9e18e97000 RDI: 0000000000000001 # [ 73.102464] RBP: 00007f9e18e97000 R08: 00007f9e18e96010 R09: 0000000000000000 # [ 73.110434] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.118406] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.126385] irq event stamp: 0 # [ 73.135995] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.149215] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.158375] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.167509] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.174506] ---[ end trace d57bcebaeffbda17 ]--- # [ 73.179661] 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 # [ 73.324791] lkdtm: Performing direct entry REFCOUNT_ADD_SATURATED # [ 73.335325] lkdtm: attempting bad refcount_dec() from saturated # [ 73.348170] ------------[ cut here ]------------ # [ 73.359532] refcount_t: saturated; leaking memory. # [ 73.371124] WARNING: CPU: 2 PID: 2455 at lib/refcount.c:22 refcount_warn_saturate+0x51/0x110 # [ 73.386739] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 73.419370] CPU: 2 PID: 2455 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 73.434240] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 73.447260] RIP: 0010:refcount_warn_saturate+0x51/0x110 # [ 73.459307] Code: 84 bc 00 00 00 c3 cc cc cc cc 85 f6 74 46 80 3d af 49 94 01 00 75 ee 48 c7 c7 88 67 12 b3 c6 05 9f 49 94 01 01 e8 4a 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 8b 49 94 01 00 75 cb 48 c7 c7 b0 67 12 # [ 73.486523] RSP: 0018:ffffacdd02f37e48 EFLAGS: 00010286 # [ 73.498550] RAX: 0000000000000000 RBX: 0000000000000037 RCX: 0000000000000000 # [ 73.512731] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 73.520704] RBP: ffffffffb318adf3 R08: 0000000000000000 R09: 0000000000000000 # [ 73.534881] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000017 # [ 73.542854] R13: ffffacdd02f37f10 R14: ffffacdd02f37f10 R15: ffff9331446ff000 # [ 73.557033] FS: 00007f4420f1e580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 73.566072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 73.578697] CR2: 00007f4420d27000 CR3: 0000000105c98001 CR4: 00000000003706e0 # [ 73.586670] Call Trace: # [ 73.595609] lkdtm_REFCOUNT_ADD_SATURATED+0x3c/0x64 # [ 73.607282] direct_entry.cold+0x2c/0x38 # [ 73.617881] full_proxy_write+0x53/0x80 # [ 73.628379] vfs_write+0xe7/0x3a0 # [ 73.638311] ksys_write+0x68/0xf0 # [ 73.648247] do_syscall_64+0x30/0x40 # [ 73.658451] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 73.670314] RIP: 0033:0x7f4420e348f3 # [ 73.680520] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 73.707713] RSP: 002b:00007fff37340348 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 73.722386] RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007f4420e348f3 # [ 73.736571] RDX: 0000000000000017 RSI: 00007f4420d27000 RDI: 0000000000000001 # [ 73.750759] RBP: 00007f4420d27000 R08: 00007f4420d26010 R09: 0000000000000000 # [ 73.764947] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 73.779134] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 73.793328] irq event stamp: 0 # [ 73.802946] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 73.816163] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 73.831514] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 73.846865] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 73.860083] ---[ end trace d57bcebaeffbda18 ]--- # [ 73.871455] 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 # [ 74.048617] lkdtm: Performing direct entry REFCOUNT_INC_NOT_ZERO_SATURATED # [ 74.059022] lkdtm: attempting bad refcount_inc_not_zero() from saturated # [ 74.066529] ------------[ cut here ]------------ # [ 74.071703] refcount_t: saturated; leaking memory. # [ 74.083276] WARNING: CPU: 3 PID: 2487 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.098905] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.125370] CPU: 3 PID: 2487 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 74.140245] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.147058] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 74.159099] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 # [ 74.180082] RSP: 0018:ffffacdd02f2fe38 EFLAGS: 00010282 # [ 74.185918] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.193887] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 74.201857] RBP: ffffffffb318aa20 R08: 0000000000000000 R09: 0000000000000000 # [ 74.209827] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.217798] R13: ffffacdd02f2ff10 R14: ffffacdd02f2ff10 R15: ffff933144fb5000 # [ 74.225769] FS: 00007f36d94e5580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 74.234807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.241250] CR2: 00007f36d92ee000 CR3: 00000001057f6003 CR4: 00000000003706e0 # [ 74.255436] Call Trace: # [ 74.258167] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.264328] lkdtm_REFCOUNT_INC_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.270680] direct_entry.cold+0x2c/0x38 # [ 74.275062] full_proxy_write+0x53/0x80 # [ 74.279377] vfs_write+0xe7/0x3a0 # [ 74.283111] ksys_write+0x68/0xf0 # [ 74.286843] do_syscall_64+0x30/0x40 # [ 74.290867] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.296540] RIP: 0033:0x7f36d93fb8f3 # [ 74.300532] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 74.321542] RSP: 002b:00007ffca4fcaef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 74.330001] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f36d93fb8f3 # [ 74.337971] RDX: 0000000000000020 RSI: 00007f36d92ee000 RDI: 0000000000000001 # [ 74.345944] RBP: 00007f36d92ee000 R08: 00007f36d92ed010 R09: 0000000000000000 # [ 74.360129] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 74.374315] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 74.382303] irq event stamp: 0 # [ 74.385738] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 74.398945] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 74.408081] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 74.417235] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 74.424245] ---[ end trace d57bcebaeffbda19 ]--- # [ 74.435608] 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 # [ 74.581575] lkdtm: Performing direct entry REFCOUNT_ADD_NOT_ZERO_SATURATED # [ 74.592309] lkdtm: attempting bad refcount_add_not_zero() from saturated # [ 74.606045] ------------[ cut here ]------------ # [ 74.617388] refcount_t: saturated; leaking memory. # [ 74.628966] WARNING: CPU: 0 PID: 2519 at lib/refcount.c:19 refcount_warn_saturate+0x97/0x110 # [ 74.644621] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 74.677319] CPU: 0 PID: 2519 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 74.692178] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 74.705193] RIP: 0010:refcount_warn_saturate+0x97/0x110 # [ 74.717231] Code: 01 01 e8 27 86 98 00 0f 0b c3 cc cc cc cc 80 3d 6a 49 94 01 00 75 a8 48 c7 c7 88 67 12 b3 c6 05 5a 49 94 01 01 e8 04 86 98 00 <0f> 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 # [ 74.744458] RSP: 0018:ffffacdd03037e38 EFLAGS: 00010282 # [ 74.756468] RAX: 0000000000000000 RBX: 00000000c0000000 RCX: 0000000000000000 # [ 74.770674] RDX: ffff9331bac2c660 RSI: ffff9331bac1bf70 RDI: ffff9331bac1bf70 # [ 74.784845] RBP: ffffffffb318aa40 R08: 0000000000000000 R09: 0000000000000000 # [ 74.799053] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 74.813225] R13: ffffacdd03037f10 R14: ffffacdd03037f10 R15: ffff933143290000 # [ 74.827434] FS: 00007ff47f548580(0000) GS:ffff9331bac00000(0000) knlGS:0000000000000000 # [ 74.842670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 74.855324] CR2: 00007ff47f351000 CR3: 00000001027b2004 CR4: 00000000003706f0 # [ 74.869493] Call Trace: # [ 74.878464] __refcount_add_not_zero.constprop.0+0x2a/0x35 # [ 74.890783] lkdtm_REFCOUNT_ADD_NOT_ZERO_SATURATED+0x3e/0x76 # [ 74.903347] direct_entry.cold+0x2c/0x38 # [ 74.913924] full_proxy_write+0x53/0x80 # [ 74.924444] vfs_write+0xe7/0x3a0 # [ 74.934337] ksys_write+0x68/0xf0 # [ 74.944318] do_syscall_64+0x30/0x40 # [ 74.954473] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 74.966357] RIP: 0033:0x7ff47f45e8f3 # [ 74.976545] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.003748] RSP: 002b:00007ffc48c577e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.018398] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007ff47f45e8f3 # [ 75.032619] RDX: 0000000000000020 RSI: 00007ff47f351000 RDI: 0000000000000001 # [ 75.046777] RBP: 00007ff47f351000 R08: 00007ff47f350010 R09: 0000000000000000 # [ 75.060952] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.068933] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.083135] irq event stamp: 0 # [ 75.092763] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.105984] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.121341] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.136688] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.149913] ---[ end trace d57bcebaeffbda1a ]--- # [ 75.161317] 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 # [ 75.416064] lkdtm: Performing direct entry REFCOUNT_DEC_AND_TEST_SATURATED # [ 75.429860] lkdtm: attempting bad refcount_dec_and_test() from saturated # [ 75.437388] ------------[ cut here ]------------ # [ 75.448736] refcount_t: underflow; use-after-free. # [ 75.454106] WARNING: CPU: 3 PID: 2554 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 75.463539] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 75.490000] CPU: 3 PID: 2554 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 75.504855] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 75.511661] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 75.517497] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 75.538480] RSP: 0018:ffffacdd030e7e40 EFLAGS: 00010286 # [ 75.544348] RAX: 0000000000000000 RBX: 000000000000003a RCX: 0000000000000000 # [ 75.552319] RDX: ffff9331badac660 RSI: ffff9331bad9bf70 RDI: ffff9331bad9bf70 # [ 75.560300] RBP: ffffffffb318aa60 R08: 0000000000000000 R09: 0000000000000000 # [ 75.568284] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 75.576295] R13: ffffacdd030e7f10 R14: ffffacdd030e7f10 R15: ffff93314380a000 # [ 75.584266] FS: 00007f3fe7697580(0000) GS:ffff9331bad80000(0000) knlGS:0000000000000000 # [ 75.593327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 75.599744] CR2: 00007f3fe74a0000 CR3: 000000010335a003 CR4: 00000000003706e0 # [ 75.607713] Call Trace: # [ 75.610444] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 75.616604] lkdtm_REFCOUNT_DEC_AND_TEST_SATURATED+0x3e/0x76 # [ 75.622956] direct_entry.cold+0x2c/0x38 # [ 75.627344] full_proxy_write+0x53/0x80 # [ 75.631659] vfs_write+0xe7/0x3a0 # [ 75.635382] ksys_write+0x68/0xf0 # [ 75.639084] do_syscall_64+0x30/0x40 # [ 75.643105] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 75.648776] RIP: 0033:0x7f3fe75ad8f3 # [ 75.652767] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 75.673747] RSP: 002b:00007fff8c381b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 75.682253] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f3fe75ad8f3 # [ 75.690241] RDX: 0000000000000020 RSI: 00007f3fe74a0000 RDI: 0000000000000001 # [ 75.698221] RBP: 00007f3fe74a0000 R08: 00007f3fe749f010 R09: 0000000000000000 # [ 75.712405] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 75.726589] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 75.740796] irq event stamp: 0 # [ 75.744218] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 75.757424] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 75.766580] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 75.775740] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 75.782755] ---[ end trace d57bcebaeffbda1b ]--- # [ 75.794113] 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 # [ 75.947505] lkdtm: Performing direct entry REFCOUNT_SUB_AND_TEST_SATURATED # [ 75.957063] lkdtm: attempting bad refcount_sub_and_test() from saturated # [ 75.970763] ------------[ cut here ]------------ # [ 75.982109] refcount_t: underflow; use-after-free. # [ 75.987470] WARNING: CPU: 2 PID: 2589 at lib/refcount.c:28 refcount_warn_saturate+0xba/0x110 # [ 76.003098] Modules linked in: fuse ip_tables cros_ec_sensors cros_ec_sensors_core industrialio_triggered_buffer kfifo_buf industrialio cros_ec_sysfs cros_ec_lightbar cros_ec_chardev cros_ec_debugfs cros_ec_sensorhub x86_pkg_temp_thermal cros_ec_dev cros_usbpd_notify # [ 76.035737] CPU: 2 PID: 2589 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 76.050612] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 76.063633] RIP: 0010:refcount_warn_saturate+0xba/0x110 # [ 76.075678] Code: 01 01 e8 04 86 98 00 0f 0b c3 cc cc cc cc 80 3d 44 49 94 01 00 75 85 48 c7 c7 e0 67 12 b3 c6 05 34 49 94 01 01 e8 e1 85 98 00 <0f> 0b c3 cc cc cc cc 80 3d 1f 49 94 01 00 0f 85 5e ff ff ff 48 c7 # [ 76.102877] RSP: 0018:ffffacdd0316fe40 EFLAGS: 00010286 # [ 76.114929] RAX: 0000000000000000 RBX: 000000000000003b RCX: 0000000000000000 # [ 76.129116] RDX: ffff9331bad2c660 RSI: ffff9331bad1bf70 RDI: ffff9331bad1bf70 # [ 76.143304] RBP: ffffffffb318aa80 R08: 0000000000000000 R09: 0000000000000000 # [ 76.157492] R10: 00000000ffffe000 R11: 3fffffffffffffff R12: 0000000000000020 # [ 76.171683] R13: ffffacdd0316ff10 R14: ffffacdd0316ff10 R15: ffff933143853000 # [ 76.185874] FS: 00007f5449672580(0000) GS:ffff9331bad00000(0000) knlGS:0000000000000000 # [ 76.201131] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 # [ 76.213767] CR2: 00007f544947b000 CR3: 00000001033d0003 CR4: 00000000003706e0 # [ 76.227957] Call Trace: # [ 76.236908] __refcount_sub_and_test.constprop.0+0x3c/0x50 # [ 76.249252] lkdtm_REFCOUNT_SUB_AND_TEST_SATURATED+0x3e/0x76 # [ 76.261793] direct_entry.cold+0x2c/0x38 # [ 76.272392] full_proxy_write+0x53/0x80 # [ 76.282894] vfs_write+0xe7/0x3a0 # [ 76.292814] ksys_write+0x68/0xf0 # [ 76.302731] do_syscall_64+0x30/0x40 # [ 76.312941] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 76.324801] RIP: 0033:0x7f54495888f3 # [ 76.335010] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 76.362216] RSP: 002b:00007ffcc0f1b858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 76.376893] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 00007f54495888f3 # [ 76.391085] RDX: 0000000000000020 RSI: 00007f544947b000 RDI: 0000000000000001 # [ 76.405276] RBP: 00007f544947b000 R08: 00007f544947a010 R09: 0000000000000000 # [ 76.419468] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 76.433660] R13: 0000000000000001 R14: 0000000000020000 R15: 0000000000020000 # [ 76.447860] irq event stamp: 0 # [ 76.457482] hardirqs last enabled at (0): [<0000000000000000>] 0x0 # [ 76.470702] hardirqs last disabled at (0): [] copy_process+0x640/0x1c80 # [ 76.486053] softirqs last enabled at (0): [] copy_process+0x640/0x1c80 # [ 76.501405] softirqs last disabled at (0): [<0000000000000000>] 0x0 # [ 76.514622] ---[ end trace d57bcebaeffbda1c ]--- # [ 76.525993] 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 # [ 76.856005] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_TO # [ 76.868113] lkdtm: attempting good copy_to_user of correct size # [ 76.880970] 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 # [ 77.051438] lkdtm: Performing direct entry USERCOPY_HEAP_SIZE_FROM # [ 77.062501] lkdtm: attempting good copy_from_user of correct size # [ 77.069369] 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 # [ 77.250603] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_TO # [ 77.263928] lkdtm: attempting good copy_to_user inside whitelist # [ 77.270668] 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 # [ 77.445643] lkdtm: Performing direct entry USERCOPY_HEAP_WHITELIST_FROM # [ 77.458940] lkdtm: attempting good copy_from_user inside whitelist # [ 77.472082] 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 # [ 77.677474] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_TO # [ 77.684826] lkdtm: good_stack: ffffacdd0352fe20-ffffacdd0352fe40 # [ 77.697771] lkdtm: bad_stack : ffffacdd0352fda8-ffffacdd0352fdc8 # [ 77.710712] lkdtm: attempting good copy_to_user of local stack # [ 77.723456] 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 # [ 77.918298] lkdtm: Performing direct entry USERCOPY_STACK_FRAME_FROM # [ 77.929824] lkdtm: good_stack: ffffacdd03507e20-ffffacdd03507e40 # [ 77.936536] lkdtm: bad_stack : ffffacdd03507da8-ffffacdd03507dc8 # [ 77.943283] lkdtm: attempting good copy_from_user of local stack # [ 77.950024] 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 # [ 78.154008] lkdtm: Performing direct entry USERCOPY_STACK_BEYOND # [ 78.162467] lkdtm: good_stack: ffffacdd0364fe20-ffffacdd0364fe40 # [ 78.175420] lkdtm: bad_stack : ffffacdd0364fff8-ffffacdd03650018 # [ 78.188331] lkdtm: attempting good copy_to_user of local stack # [ 78.201091] lkdtm: attempting bad copy_to_user of distant stack # [ 78.213901] 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 # [ 78.427836] lkdtm: Performing direct entry USERCOPY_KERNEL # [ 78.437333] lkdtm: attempting good copy_to_user from kernel rodata: ffffffffb2d9b330 # [ 78.446033] lkdtm: attempting bad copy_to_user from kernel text: ffffffffb1ae2e10 # [ 78.460575] 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 # [ 78.644332] lkdtm: Performing direct entry STACKLEAK_ERASING # [ 78.652740] lkdtm: checking unused part of the thread stack (15928 bytes)... # [ 78.666854] lkdtm: FAIL: the erased part is not found (checked 15928 bytes) # [ 78.680822] lkdtm: FAIL: the thread stack is NOT properly erased # [ 78.693747] CPU: 2 PID: 2954 Comm: cat Tainted: G D W 5.10.146-cip17 #1 # [ 78.708606] Hardware name: Google Rammus/Rammus, BIOS 09/04/2020 # [ 78.715409] Call Trace: # [ 78.718140] dump_stack+0x77/0x9b # [ 78.728051] lkdtm_STACKLEAK_ERASING+0x116/0x144 # [ 78.733206] direct_entry.cold+0x2c/0x38 # [ 78.743794] full_proxy_write+0x53/0x80 # [ 78.748076] vfs_write+0xe7/0x3a0 # [ 78.757983] ksys_write+0x68/0xf0 # [ 78.761680] do_syscall_64+0x30/0x40 # [ 78.765671] entry_SYSCALL_64_after_hwframe+0x61/0xc6 # [ 78.771308] RIP: 0033:0x7fb4bd6d38f3 # [ 78.775297] Code: 8b 15 a1 25 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 # [ 78.796287] RSP: 002b:00007ffe66a6d1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # [ 78.804746] RAX: ffffffffffffffda RBX: 0000000000000012 RCX: 00007fb4bd6d38f3 # [ 78.818925] RDX: 0000000000000012 RSI: 00007fb4bd5c6000 RDI: 0000000000000001 # [ 78.826893] RBP: 00007fb4bd5c6000 R08: 00007fb4bd5c5010 R09: 0000000000000000 # [ 78.834861] R10: fffffffffffffbc5 R11: 0000000000000246 R12: 0000000000000001 # [ 78.842819] 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 # [ 78.994882] lkdtm: Performing direct entry CFI_FORWARD_PROTO # [ 79.006308] lkdtm: Calling matched prototype ... # [ 79.011485] lkdtm: Calling mismatched prototype ... # [ 79.016956] 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 / #