ci starts bisection 2024-05-12 11:10:43.103121905 +0000 UTC m=+121572.239375711 bisecting cause commit starting from 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 building syzkaller on 07b455f928ae5c2cd07f4d61c1b499f56ea3dd08 ensuring issue is reproducible on original commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f48f8ac4f7558b6074ba0bf9f8027bf6080b29b790b3672ad4d8098f1b8f921b run #0: crashed: KASAN: slab-use-after-free Read in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: KASAN: slab-use-after-free Read in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: KASAN: slab-use-after-free Read in __fput run #8: crashed: KASAN: slab-use-after-free Read in __fput run #9: crashed: general protection fault in __fput run #10: crashed: BUG: corrupted list in dma_buf_file_release run #11: crashed: general protection fault in __fput run #12: crashed: general protection fault in __fput run #13: crashed: KASAN: slab-use-after-free Read in __fput run #14: crashed: KASAN: slab-use-after-free Read in __fput run #15: crashed: KASAN: slab-use-after-free Read in __fput run #16: crashed: KASAN: slab-use-after-free Read in __fput run #17: crashed: general protection fault in __fput run #18: crashed: general protection fault in __fput run #19: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN KASAN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc180e3cc71ac5528612fc9f80806eba3a0f9e60af6ed755be64b71546076620 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: slab-use-after-free Read in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: slab-use-after-free Read in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed kconfig minimization: base=3976 full=8006 leaves diff=2012 split chunks (needed=false): <2012> split chunk #0 of len 2012 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 27654a92c918b9d658600af4b7c26da038ce267e4c0e64c583e13db79a4e5e3a run #0: crashed: invalid opcode in corrupted run #1: crashed: KASAN: slab-use-after-free Read in __fput run #2: crashed: KASAN: slab-use-after-free Read in __fput run #3: crashed: KASAN: slab-use-after-free Read in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: slab-use-after-free Read in __fput run #9: crashed: KASAN: slab-use-after-free Read in __fput representative crash: invalid opcode in corrupted, types: [UNKNOWN KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2043148db78e8b6e4fbe1839462141c00e42334dc628c7a73553499f22fa9a6e run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: KASAN: slab-use-after-free Read in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: slab-use-after-free Read in __fput run #9: crashed: KASAN: slab-use-after-free Read in __fput representative crash: general protection fault in __fput, types: [UNKNOWN KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5de4abc3db9f28b1206418870e9f91f35d1dcca3586d5aedad9e357a024c560b run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __fput run #9: crashed: KASAN: slab-use-after-free Read in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7d6ac7f91fb16f8ee5d7375c6e553f40f3a7f16e32f78c8e298eeb7d117be205 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 5eb4573ea63d0c83bf58fb7c243fc2c2b6966c02 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 275c910cc6dc19706ac7e938eac2f587e182724f1b57ce9741ff547ec3200f07 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __ep_remove run #9: crashed: KASAN: slab-use-after-free Read in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] the chunk can be dropped minimized to 403 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_4 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMC SMC_DIAG SMSC_PHY SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_SCODEC_COMPONENT SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_SINGLE SQUASHFS_DECOMP_SINGLE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_FUSB302 TYPEC_TCPCI TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_HOST USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed picked [v6.8 v6.7 v6.6 v6.4 v6.2 v6.0 v5.18 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 31 release tags testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f3105e8f31b7eaa26ed9686b03d77685dc3fe8a257d327fc78279fd8b7cb5875 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: KASAN: slab-use-after-free Read in __fput run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: slab-use-after-free Read in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: slab-use-after-free Read in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN KASAN] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 934d2cceccf53d853303de4ed87acaa8f1f5af5a7a89bb5c5e7ecec7f3417b52 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: slab-use-after-free Read in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee09fe3f1ee34c81a3fc4f203e1ef2b764475582797a6bb60aeec429ec91da10 run #0: crashed: KASAN: invalid-free in task_work_run run #1: crashed: general protection fault in __fput run #2: crashed: KASAN: invalid-free in task_work_run run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: invalid-free in task_work_run run #6: crashed: KASAN: invalid-free in task_work_run run #7: crashed: KASAN: invalid-free in task_work_run run #8: crashed: general protection fault in __fput run #9: crashed: KASAN: invalid-free in task_work_run representative crash: KASAN: invalid-free in task_work_run, types: [KASAN UNKNOWN] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 59979d62b0490250c5a32ad2f730572af5c535565581f136c05d8a2c49d99916 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: KASAN: invalid-free in task_work_run run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: invalid opcode in corrupted run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f4fb398fcd2bc42b8c5172d0506123a8dc42151a7e3200adc23da8d920a6feda run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: KASAN: invalid-free in rcu_core run #3: crashed: KASAN: use-after-free Read in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 015889a459129c7f3f97111107b4382cf5defd807af6ce5737b268db1f1942fd run #0: crashed: invalid opcode in corrupted run #1: crashed: invalid opcode in corrupted run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: KASAN: invalid-free in rcu_core run #5: crashed: KASAN: use-after-free Read in __fput run #6: crashed: general protection fault in __fput run #7: crashed: invalid opcode in corrupted run #8: crashed: KASAN: invalid-free in task_work_run run #9: crashed: KASAN: invalid-free in rcu_core representative crash: invalid opcode in corrupted, types: [UNKNOWN KASAN] testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9856e875334790b22841a5f4e12c915728267fdf18162668206ed47ce2c3d18b run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: KASAN: invalid-free in task_work_run run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: invalid-free in rcu_core run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 219e57db3256898e88725aec5ffa65aad4f9c81f3147f81f3e9d0a23e88aa371 run #0: crashed: general protection fault in __fput run #1: crashed: invalid opcode in corrupted run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: invalid-free in task_work_run run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: KASAN: invalid-free in task_work_run run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8d53558f3b73a4e8117432476f3591a8f099869fe0a93359ba09f508c2c6ddf6 all runs: OK false negative chance: 0.000 # git bisect start df0cc57e057f18e44dac8e6c18aba47ab53202f9 62fb9874f5da54fdb243003b386128037319b219 Bisecting: 22077 revisions left to test after this (roughly 15 steps) [477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6] Merge tag 'drm-next-2021-08-31-1' of git://anongit.freedesktop.org/drm/drm testing commit 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0caec7c9853c0e18cf5cc51ac8ca3136e943b69fcd32ac74406a984217070cdd all runs: OK false negative chance: 0.000 # git bisect good 477f70cd2a67904e04c2c2b9bd0fa2e95222f2f6 Bisecting: 10817 revisions left to test after this (roughly 14 steps) [fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4] Merge tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a1a1c35ebe5519326fc5d16f3b7eb65a9ee330e26539bc5755d96d1a3f37c053 all runs: OK false negative chance: 0.000 # git bisect good fc02cb2b37fe2cbf1d3334b9f0f0eab9431766c4 Bisecting: 5389 revisions left to test after this (roughly 12 steps) [95faf6ba654dd334617f347023e65b06d791c4a6] Merge tag 'driver-core-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit 95faf6ba654dd334617f347023e65b06d791c4a6 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a767a251b8d21ba916cfe4ade13347f508c6b70fb53df354847af34edcf2f9c all runs: OK false negative chance: 0.000 # git bisect good 95faf6ba654dd334617f347023e65b06d791c4a6 Bisecting: 2682 revisions left to test after this (roughly 11 steps) [304ac8032d3fa2d37750969cd4b8d5736a1829d9] Merge tag 'drm-next-2021-11-12' of git://anongit.freedesktop.org/drm/drm testing commit 304ac8032d3fa2d37750969cd4b8d5736a1829d9 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 81cf0b8654c851f53bc368ae1d61379f59b05b695430f084b9ff4db555b6ec1d run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: no output from test machine run #9: crashed: no output from test machine representative crash: general protection fault in __fput, types: [UNKNOWN] # git bisect bad 304ac8032d3fa2d37750969cd4b8d5736a1829d9 Bisecting: 1319 revisions left to test after this (roughly 10 steps) [bbdbeb0048b443082bcce5ed65a336bcc578a60e] Merge tag 'perf-tools-for-v5.16-2021-11-07-without-bpftool-fix' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux testing commit bbdbeb0048b443082bcce5ed65a336bcc578a60e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af20acd88be72cc63d645ca5c1b04f57488bc70f632b4dd982a61e833f4ec6ec all runs: OK false negative chance: 0.000 # git bisect good bbdbeb0048b443082bcce5ed65a336bcc578a60e Bisecting: 633 revisions left to test after this (roughly 9 steps) [e68a7d35bb17247f8129e17126352a07433f2908] Merge tag 'dmaengine-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine testing commit e68a7d35bb17247f8129e17126352a07433f2908 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c00bfc74a5386f187e947e77e71ad388efe1b7be28a06916715d49fad982d8af all runs: OK false negative chance: 0.000 # git bisect good e68a7d35bb17247f8129e17126352a07433f2908 Bisecting: 292 revisions left to test after this (roughly 8 steps) [f54ca91fe6f25c2028f953ce82f19ca2ea0f07bb] Merge tag 'net-5.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit f54ca91fe6f25c2028f953ce82f19ca2ea0f07bb gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3ad52003738a3803ddce3b5b4f85cdb1294c7bd337b673ffe7d9bfb16ca7867a all runs: OK false negative chance: 0.000 # git bisect good f54ca91fe6f25c2028f953ce82f19ca2ea0f07bb Bisecting: 134 revisions left to test after this (roughly 7 steps) [f78e9de80f5ad15719a069a4e6c11e2777122188] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input testing commit f78e9de80f5ad15719a069a4e6c11e2777122188 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 74b72c2ecb0bb52801527aa08cf91145c695228b977abe8c7311ae018da1130c all runs: OK false negative chance: 0.000 # git bisect good f78e9de80f5ad15719a069a4e6c11e2777122188 Bisecting: 59 revisions left to test after this (roughly 6 steps) [806acd381960008700c15c3dc616d578e9558853] Merge tag 'amd-drm-fixes-5.16-2021-11-03' of https://gitlab.freedesktop.org/agd5f/linux into drm-next testing commit 806acd381960008700c15c3dc616d578e9558853 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 71390cc8e46dc99287b127d9ed9dfefff5aadf4a8084faf85d6ee23aaa903b6f all runs: OK false negative chance: 0.000 # git bisect good 806acd381960008700c15c3dc616d578e9558853 Bisecting: 34 revisions left to test after this (roughly 5 steps) [f8ca7b74192b2e64bdfb89fb63c1d33b92bc899d] Merge tag 'drm-misc-next-fixes-2021-11-10' of git://anongit.freedesktop.org/drm/drm-misc into drm-next testing commit f8ca7b74192b2e64bdfb89fb63c1d33b92bc899d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c638393c7cae1e8ac3dd0c989a6697d67512ad6ed99fcfe5cee292c2502f382 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: KASAN: invalid-free in rcu_core run #8: crashed: general protection fault in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] # git bisect bad f8ca7b74192b2e64bdfb89fb63c1d33b92bc899d Bisecting: 12 revisions left to test after this (roughly 4 steps) [cecbc0c7eba7983965cac94f88d2db00b913253b] drm/i915/hdmi: Turn DP++ TMDS output buffers back on in encoder->shutdown() testing commit cecbc0c7eba7983965cac94f88d2db00b913253b gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0cecb4a73198fefd3d3da09e186dad6ea4d85399130665721993e589c8078acc all runs: OK false negative chance: 0.000 # git bisect good cecbc0c7eba7983965cac94f88d2db00b913253b Bisecting: 6 revisions left to test after this (roughly 3 steps) [14d9a37c952588930d7226953359fea3ab956d39] Revert "drm/imx: Annotate dma-fence critical section in commit path" testing commit 14d9a37c952588930d7226953359fea3ab956d39 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50782a19208b3d77adc59a4cb9ac7ebef3556eeccf3ef921feba32effb4ad384 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: KASAN: invalid-free in task_work_run run #4: crashed: general protection fault in __fput run #5: crashed: KASAN: invalid-free in task_work_run run #6: crashed: general protection fault in __fput run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __fput run #9: crashed: KASAN: invalid-free in task_work_run representative crash: general protection fault in __fput, types: [UNKNOWN KASAN] # git bisect bad 14d9a37c952588930d7226953359fea3ab956d39 Bisecting: 2 revisions left to test after this (roughly 2 steps) [5591c8f79db1729d9c5ac7f5b4d3a5c26e262d93] drm/udl: fix control-message timeout testing commit 5591c8f79db1729d9c5ac7f5b4d3a5c26e262d93 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50782a19208b3d77adc59a4cb9ac7ebef3556eeccf3ef921feba32effb4ad384 run #0: crashed: general protection fault in __fput run #1: crashed: invalid opcode in corrupted run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: invalid opcode in corrupted run #7: crashed: general protection fault in __fput run #8: crashed: general protection fault in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] # git bisect bad 5591c8f79db1729d9c5ac7f5b4d3a5c26e262d93 Bisecting: 0 revisions left to test after this (roughly 1 step) [0d979509539ed1df883a30d442177ca7be609565] drm/ttm: remove ttm_bo_vm_insert_huge() testing commit 0d979509539ed1df883a30d442177ca7be609565 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50782a19208b3d77adc59a4cb9ac7ebef3556eeccf3ef921feba32effb4ad384 run #0: crashed: general protection fault in __fput run #1: crashed: general protection fault in __fput run #2: crashed: general protection fault in __fput run #3: crashed: general protection fault in __fput run #4: crashed: general protection fault in __fput run #5: crashed: general protection fault in __fput run #6: crashed: general protection fault in __fput run #7: crashed: KASAN: invalid-free in task_work_run run #8: crashed: general protection fault in __fput run #9: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] # git bisect bad 0d979509539ed1df883a30d442177ca7be609565 Bisecting: 0 revisions left to test after this (roughly 0 steps) [ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c] dma-buf/poll: Get a file reference for outstanding fence callbacks testing commit ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50782a19208b3d77adc59a4cb9ac7ebef3556eeccf3ef921feba32effb4ad384 all runs: crashed: general protection fault in __fput representative crash: general protection fault in __fput, types: [UNKNOWN] # git bisect bad ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c is the first bad commit commit ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c Author: Michel Dänzer Date: Fri Jul 23 09:58:57 2021 +0200 dma-buf/poll: Get a file reference for outstanding fence callbacks This makes sure we don't hit the BUG_ON(dmabuf->cb_in.active || dmabuf->cb_out.active); in dma_buf_release, which could be triggered by user space closing the dma-buf file description while there are outstanding fence callbacks from dma_buf_poll. Cc: stable@vger.kernel.org Signed-off-by: Michel Dänzer Reviewed-by: Christian König Link: https://patchwork.freedesktop.org/patch/msgid/20210723075857.4065-1-michel@daenzer.net Signed-off-by: Christian König drivers/dma-buf/dma-buf.c | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) accumulated error probability: 0.00 parent commit b3ec8cdf457e5e63d396fe1346cc788cf7c1b578 wasn't tested testing commit b3ec8cdf457e5e63d396fe1346cc788cf7c1b578 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6cc0342bac77f5318b11f24053c60be61d3706fed3f129b74b77e1328d57166f culprit signature: 50782a19208b3d77adc59a4cb9ac7ebef3556eeccf3ef921feba32effb4ad384 parent signature: 6cc0342bac77f5318b11f24053c60be61d3706fed3f129b74b77e1328d57166f revisions tested: 31, total time: 8h25m41.917064636s (build: 4h43m20.529766875s, test: 3h26m47.931043352s) first bad commit: ff2d23843f7fb4f13055be5a4a9a20ddd04e6e9c dma-buf/poll: Get a file reference for outstanding fence callbacks recipients (to): ["christian.koenig@amd.com" "christian.koenig@amd.com" "dri-devel@lists.freedesktop.org" "linaro-mm-sig@lists.linaro.org" "linux-media@vger.kernel.org" "mdaenzer@redhat.com" "sumit.semwal@linaro.org"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: general protection fault in __fput general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 0 PID: 3344 Comm: syz-executor.1 Not tainted 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:fsnotify_parent include/linux/fsnotify.h:62 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:99 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:288 [inline] RIP: 0010:__fput+0x389/0x8c0 fs/file_table.c:266 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 65 04 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 48 68 49 8d 79 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5e 04 00 00 49 8b 51 28 be 08 00 00 00 4c 89 44 RSP: 0018:ffffc900030efe58 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88807757ad00 RCX: 1ffffffff0fd3a1c RDX: 0000000000000005 RSI: 0000000000000004 RDI: 0000000000000028 RBP: ffff8880686de804 R08: ffff88807bf751a0 R09: 0000000000000000 R10: ffffed100207e499 R11: 0000000000000008 R12: 0000000000080007 R13: ffff8880686de790 R14: ffff8880095be920 R15: ffff8880686de780 FS: 00007f7761fa66c0(0000) GS:ffff8880bac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc8aad5f84 CR3: 0000000075a08000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: task_work_run+0xc5/0x150 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x16e/0x170 kernel/entry/common.c:209 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x13/0x30 kernel/entry/common.c:302 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7762445ea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7761fa60c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f7762574050 RCX: 00007f7762445ea9 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003 RBP: 00007f77624924a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f7762574050 R15: 00007fffb6578128 Modules linked in: ---[ end trace 763112bc69d90168 ]--- RIP: 0010:fsnotify_parent include/linux/fsnotify.h:62 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:99 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:288 [inline] RIP: 0010:__fput+0x389/0x8c0 fs/file_table.c:266 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 65 04 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b 48 68 49 8d 79 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 5e 04 00 00 49 8b 51 28 be 08 00 00 00 4c 89 44 RSP: 0018:ffffc900030efe58 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88807757ad00 RCX: 1ffffffff0fd3a1c RDX: 0000000000000005 RSI: 0000000000000004 RDI: 0000000000000028 RBP: ffff8880686de804 R08: ffff88807bf751a0 R09: 0000000000000000 R10: ffffed100207e499 R11: 0000000000000008 R12: 0000000000080007 R13: ffff8880686de790 R14: ffff8880095be920 R15: ffff8880686de780 FS: 00007f7761fa66c0(0000) GS:ffff8880bac00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055bc345d7008 CR3: 0000000075a08000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 48 89 fa mov %rdi,%rdx 3: 48 c1 ea 03 shr $0x3,%rdx 7: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) b: 0f 85 65 04 00 00 jne 0x476 11: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 18: fc ff df 1b: 4d 8b 48 68 mov 0x68(%r8),%r9 1f: 49 8d 79 28 lea 0x28(%r9),%rdi 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 5e 04 00 00 jne 0x492 34: 49 8b 51 28 mov 0x28(%r9),%rdx 38: be 08 00 00 00 mov $0x8,%esi 3d: 4c rex.WR 3e: 89 .byte 0x89 3f: 44 rex.R