ci starts bisection 2024-06-02 03:41:15.840381696 +0000 UTC m=+128699.072850505 bisecting cause commit starting from 0e1980c40b6edfa68b6acf926bab22448a6e40c9 building syzkaller on 3113787fe7a0c96998737e520aa95c303fdd41ef ensuring issue is reproducible on original commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db7a381895375d724ea15b6b02ee7305a0fc18dc85f6b2660e72b803778c138a all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0ebc7778f53416a9e8b9304db2184aff5b659f118dc0af8b5e0adf3da4634f86 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed kconfig minimization: base=3976 full=8048 leaves diff=2030 split chunks (needed=false): <2030> split chunk #0 of len 2030 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca3ca4267326f23e5a63b03cf6b152619c80c67bfaae6b7e9688c4b67af23ac2 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 29921b699ac88cdd122346afde3c43da7e1a145b57f9d6268b4ea0670825bc42 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3c905464e142fdad92459487ece92d4b51a9107081b503e4177398297fc35cea all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a206494693ff105a59a8f017beba6d9f830ffa42335621132e1c20b94d53515e all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 0e1980c40b6edfa68b6acf926bab22448a6e40c9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a4f46a16dfbc20bf8395a73800e0c389f474397b76481fe2e4e7c12cd60164c0 all runs: OK false negative chance: 0.000 minimized to 812 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON FB GENEVE GPIOLIB HAMRADIO HAVE_CLK HAVE_ZSMALLOC HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IOMMUFD IP_SCTP IRQ_REMAP IRQ_TIME_ACCOUNTING KVM KVM_INTEL L2TP LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC 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_SI470X RADIO_SI4713 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 SKB_DECRYPTED 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 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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 TAP TARGET_CORE TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCG_TPM2_HMAC 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 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_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM 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_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 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USB_RAW_GADGET USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZSMALLOC] disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed picked [v6.9 v6.8 v6.7 v6.5 v6.3 v6.1 v5.19 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 32 release tags testing release v6.9 testing commit a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bedfb1c075c32496aaf0e16dbde6d3c91317c86c943a602a26ee463677a61241 all runs: OK false negative chance: 0.000 # git bisect start 0e1980c40b6edfa68b6acf926bab22448a6e40c9 a38297e3fb012ddfa7ce0321a7e5a8daeb1872b6 Bisecting: 7735 revisions left to test after this (roughly 13 steps) [3c999d1ae3c75991902a1a7dad0cb62c2a3008b4] Merge tag 'wq-for-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq testing commit 3c999d1ae3c75991902a1a7dad0cb62c2a3008b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f33d95e24ae01f6344a9f280f5da7b3d4006ab2a41d0633df4ed562a644ffd18 all runs: OK false negative chance: 0.000 # git bisect good 3c999d1ae3c75991902a1a7dad0cb62c2a3008b4 Bisecting: 3875 revisions left to test after this (roughly 12 steps) [d90be6e4aaf23cd4a2c202891399cbafe669aaab] Merge tag 'driver-core-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core testing commit d90be6e4aaf23cd4a2c202891399cbafe669aaab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a1308be29256ffe57e024494c88b7e38e82c445d0b541c284719c91af8b2f285 all runs: OK false negative chance: 0.000 # git bisect good d90be6e4aaf23cd4a2c202891399cbafe669aaab Bisecting: 1912 revisions left to test after this (roughly 11 steps) [8fc3504ade0bb3c4453008827a5a984231118c79] Merge branch 'fs-next' of linux-next testing commit 8fc3504ade0bb3c4453008827a5a984231118c79 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb13dfe3e94360517c98f4bc438bf3cf44b5ced80ca8c19c2b6508cd39e60aa9 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] # git bisect bad 8fc3504ade0bb3c4453008827a5a984231118c79 Bisecting: 986 revisions left to test after this (roughly 10 steps) [fd65887b95d4184b76357ea5cdb92be2fadc079a] Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec.git testing commit fd65887b95d4184b76357ea5cdb92be2fadc079a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 251fb2bdeb0eb8144ce12a34d6335b811e953561ea584118163e5b69800c298a all runs: OK false negative chance: 0.000 # git bisect good fd65887b95d4184b76357ea5cdb92be2fadc079a Bisecting: 536 revisions left to test after this (roughly 9 steps) [244c4a9d97301ac5d8c2f070ee6ad9365afb9459] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap.git testing commit 244c4a9d97301ac5d8c2f070ee6ad9365afb9459 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: aa8f11f4ec45d55c10cb395d1132c69d4c6b9c90e69e0ec99dd4452cea1e8744 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] # git bisect bad 244c4a9d97301ac5d8c2f070ee6ad9365afb9459 Bisecting: 257 revisions left to test after this (roughly 8 steps) [78c56eb35e885b02360847e403d004edd0d658a0] Merge branch 'for-linux-next-fixes' of https://gitlab.freedesktop.org/drm/misc/kernel.git testing commit 78c56eb35e885b02360847e403d004edd0d658a0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 031c212bebc8d1d097eda55ca5b3a40b8773a9b9613535615d3379e864457830 all runs: OK false negative chance: 0.000 # git bisect good 78c56eb35e885b02360847e403d004edd0d658a0 Bisecting: 140 revisions left to test after this (roughly 7 steps) [8e06d6b9274dc504af6021a8bbc2daf6713ceb20] mm: add swappiness= arg to memory.reclaim testing commit 8e06d6b9274dc504af6021a8bbc2daf6713ceb20 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b2080e1c440008c0949157288e420fa7df4f469015ff35c447f2f5be9dec4bed all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] # git bisect bad 8e06d6b9274dc504af6021a8bbc2daf6713ceb20 Bisecting: 58 revisions left to test after this (roughly 6 steps) [bd1fb9212fa55e17b162c0fb942aaa425310bb8f] zram: add lzo and lzorle compression backends support testing commit bd1fb9212fa55e17b162c0fb942aaa425310bb8f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4bb489b03b5d0d4fb5bc15d2472f1bc38df4a3cae79f44c3e3335640b943e858 all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] # git bisect bad bd1fb9212fa55e17b162c0fb942aaa425310bb8f Bisecting: 28 revisions left to test after this (roughly 5 steps) [a52937cf38c2e06f0a0e68cf2a5f69457f74e15b] mm: refactor folio_undo_large_rmappable() testing commit a52937cf38c2e06f0a0e68cf2a5f69457f74e15b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1ca374e27bc0f60ceee4d7e921787044e478b1acc3dc5ca60d0c1393099c97c8 all runs: OK false negative chance: 0.000 # git bisect good a52937cf38c2e06f0a0e68cf2a5f69457f74e15b Bisecting: 14 revisions left to test after this (roughly 4 steps) [1ea6f847633b6232b436f9e3fc6199f007c0c760] mm/memory-failure: try to send SIGBUS even if unmap failed testing commit 1ea6f847633b6232b436f9e3fc6199f007c0c760 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 15b8151bdb5fbf86a6c5939f108dc57aa9ee0bccb2320e1ea3e08ff32d53d7b7 all runs: OK false negative chance: 0.000 # git bisect good 1ea6f847633b6232b436f9e3fc6199f007c0c760 Bisecting: 7 revisions left to test after this (roughly 3 steps) [e5f474d5bba848460f2ed78d5400a22bfd6e8b13] mm/gup: introduce check_and_migrate_movable_folios() testing commit e5f474d5bba848460f2ed78d5400a22bfd6e8b13 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9756cf681edba21fd60456bbc3a902f570fdb97fcb6408e331fd9e006c1e5b82 all runs: OK false negative chance: 0.000 # git bisect good e5f474d5bba848460f2ed78d5400a22bfd6e8b13 Bisecting: 3 revisions left to test after this (roughly 2 steps) [344a1d8575b05298d0702a9f9231e57db86a855e] udmabuf: convert udmabuf driver to use folios testing commit 344a1d8575b05298d0702a9f9231e57db86a855e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5caffed84cbe22d97aca0370a289140128cff2544c1fbdc212e47a2d47b8719b all runs: crashed: VFS: Close: file count is zero (use-after-free) representative crash: VFS: Close: file count is zero (use-after-free), types: [UNKNOWN] # git bisect bad 344a1d8575b05298d0702a9f9231e57db86a855e Bisecting: 1 revision left to test after this (roughly 1 step) [b68832f5fae9b8f58dcdf1bb3354ed8a3155b995] udmabuf: use vmf_insert_pfn and VM_PFNMAP for handling mmap testing commit b68832f5fae9b8f58dcdf1bb3354ed8a3155b995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8bf2cc04cdbf37165ee6793c75d60bb8be8134902e01b9e02a70a50775f35a6 all runs: OK false negative chance: 0.000 # git bisect good b68832f5fae9b8f58dcdf1bb3354ed8a3155b995 Bisecting: 0 revisions left to test after this (roughly 0 steps) [9b8d6629fb2605aac6ff898b634f4e53b60b6737] udmabuf: add back support for mapping hugetlb pages testing commit 9b8d6629fb2605aac6ff898b634f4e53b60b6737 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b4660fbe3eb6b2ecb5c46a56c24dfaf6e003e8fec610d2500b77d88d536f2f07 all runs: OK false negative chance: 0.000 # git bisect good 9b8d6629fb2605aac6ff898b634f4e53b60b6737 344a1d8575b05298d0702a9f9231e57db86a855e is the first bad commit commit 344a1d8575b05298d0702a9f9231e57db86a855e Author: Vivek Kasireddy Date: Wed Apr 10 23:59:42 2024 -0700 udmabuf: convert udmabuf driver to use folios This is mainly a preparatory patch to use memfd_pin_folios() API for pinning folios. Using folios instead of pages makes sense as the udmabuf driver needs to handle both shmem and hugetlb cases. And, using the memfd_pin_folios() API makes this easier as we no longer need to separately handle shmem vs hugetlb cases in the udmabuf driver. Note that, the function vmap_udmabuf() still needs a list of pages; so, we collect all the head pages into a local array in this case. Other changes in this patch include the addition of helpers for checking the memfd seals and exporting dmabuf. Moving code from udmabuf_create() into these helpers improves readability given that udmabuf_create() is a bit long. Link: https://lkml.kernel.org/r/20240411070157.3318425-7-vivek.kasireddy@intel.com Signed-off-by: Vivek Kasireddy Acked-by: Dave Airlie Acked-by: Gerd Hoffmann Cc: David Hildenbrand Cc: Matthew Wilcox Cc: Daniel Vetter Cc: Hugh Dickins Cc: Peter Xu Cc: Jason Gunthorpe Cc: Dongwon Kim Cc: Junxiao Chang Cc: Christoph Hellwig Cc: Christoph Hellwig Cc: Mike Kravetz Cc: Shuah Khan Signed-off-by: Andrew Morton drivers/dma-buf/udmabuf.c | 140 +++++++++++++++++++++++++++------------------- 1 file changed, 83 insertions(+), 57 deletions(-) accumulated error probability: 0.00 culprit signature: 5caffed84cbe22d97aca0370a289140128cff2544c1fbdc212e47a2d47b8719b parent signature: b4660fbe3eb6b2ecb5c46a56c24dfaf6e003e8fec610d2500b77d88d536f2f07 revisions tested: 22, total time: 6h0m58.754980814s (build: 2h48m26.296602166s, test: 2h57m1.141089178s) first bad commit: 344a1d8575b05298d0702a9f9231e57db86a855e udmabuf: convert udmabuf driver to use folios recipients (to): ["airlied@redhat.com" "akpm@linux-foundation.org" "kraxel@redhat.com" "vivek.kasireddy@intel.com"] recipients (cc): [] crash: VFS: Close: file count is zero (use-after-free) VFS: Close: file count is 0 (f_op=shmem_file_operations) Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 3941 Comm: syz-executor.0 Not tainted 6.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:filp_flush fs/open.c:1508 [inline] RIP: 0010:__do_sys_close fs/open.c:1549 [inline] RIP: 0010:__se_sys_close+0xb0/0xc0 fs/open.c:1540 Code: 07 48 c7 c0 f7 ff ff ff 5b 41 5e 41 5f c3 cc cc cc cc 45 31 f6 f6 43 51 40 74 ac eb c0 48 c7 c7 d3 46 9d 83 e8 71 d7 84 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 RSP: 0018:ffffc90006777ef0 EFLAGS: 00010246 RAX: 0000000000000038 RBX: ffff88810c9a5200 RCX: cb6aaba727d86000 RDX: ffff88813bd2a040 RSI: ffffffff83b7700c RDI: 00000000ffffffff RBP: ffffc90006777f48 R08: 0000000000000000 R09: ffffffff83ed8b70 R10: ffffc90006777dd8 R11: fffffffffffd9150 R12: ffff888103fa8000 R13: 0000000000000000 R14: ffffc90006777f58 R15: ffff888101ecc340 FS: 0000555564625480(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f59e6bb0000 CR3: 0000000110f12000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x1a0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f59e6a7bdda Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffecb624fb0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 000000000000000a RCX: 00007f59e6a7bdda RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000009 RBP: ffffffffffffffff R08: 00007f59e6a00000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 00007f59e6bb3fa0 R13: 00007f59e6bb3fac R14: 0000000000000032 R15: 00007f59e6bb59a0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:filp_flush fs/open.c:1508 [inline] RIP: 0010:__do_sys_close fs/open.c:1549 [inline] RIP: 0010:__se_sys_close+0xb0/0xc0 fs/open.c:1540 Code: 07 48 c7 c0 f7 ff ff ff 5b 41 5e 41 5f c3 cc cc cc cc 45 31 f6 f6 43 51 40 74 ac eb c0 48 c7 c7 d3 46 9d 83 e8 71 d7 84 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 RSP: 0018:ffffc90006777ef0 EFLAGS: 00010246 RAX: 0000000000000038 RBX: ffff88810c9a5200 RCX: cb6aaba727d86000 RDX: ffff88813bd2a040 RSI: ffffffff83b7700c RDI: 00000000ffffffff RBP: ffffc90006777f48 R08: 0000000000000000 R09: ffffffff83ed8b70 R10: ffffc90006777dd8 R11: fffffffffffd9150 R12: ffff888103fa8000 R13: 0000000000000000 R14: ffffc90006777f58 R15: ffff888101ecc340 FS: 0000555564625480(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f59e6bb0000 CR3: 0000000110f12000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400