ci starts bisection 2023-09-26 21:43:43.74842872 +0000 UTC m=+1161567.767552730 bisecting cause commit starting from 6465e260f48790807eef06b583b38ca9789b6072 building syzkaller on 0b6a67ac4b0dc26f43030c5edd01c9175f13b784 ensuring issue is reproducible on original commit 6465e260f48790807eef06b583b38ca9789b6072 testing commit 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae4e216b279193be3195bab57ad15486da50ecd0b9f132a7d5ad72d5995ad0f8 all runs: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e8782958d49ae68c280078149aebdd2566d88b4c1d889fd21a631b1ac4e1ee94 run #0: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #1: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #2: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #3: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #4: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #5: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #6: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #7: crashed: general protection fault in ntfs_write_bh run #8: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #9: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3883 full=7693 leaves diff=2018 split chunks (needed=false): <2018> split chunk #0 of len 2018 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 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6c3836218a9373422c153a80fac786a22d18ccdb54a597956233e6e0ad31db13 run #0: crashed: general protection fault in ntfs_write_bh run #1: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #2: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #3: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #4: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #5: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #6: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #7: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #8: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh run #9: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [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 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e94af29826b3ee61d49c5de965852174ba873aa6758007883bdac0d1425ce03 all runs: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86049e878ff481b6f461495df201a9b0fd7aa70b2d6cb8b1ce010dc6356f4ed6 all runs: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0e88f97740740a20788609234b89d48b6480a46c538274bc87805b94b6b38495 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 6465e260f48790807eef06b583b38ca9789b6072 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 667bc19f3b9abfc7b816db89ee4c6195eeaeee3d3755fd8a144bcf30d5ca22d0 all runs: crashed: KASAN: slab-use-after-free Read in ntfs_write_bh representative crash: KASAN: slab-use-after-free Read in ntfs_write_bh, types: [KASAN] the chunk can be dropped minimized to 404 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_ADVANCED NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_CONNTRACK_SNMP NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP 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 NTFS_FS NTFS_RW 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_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAGE_POOL PAGE_REPORTING 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 PRISM2_USB 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 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 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_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_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 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 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_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS 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 [HANG LEAK UBSAN BUG LOCKDEP ATOMIC_SLEEP], they are not needed picked [v6.5 v6.4 v6.3 v6.1 v5.19 v5.17 v5.15 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 28 release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c4d16184808d218b6f1b1ecfec2b0bdaddf3726465ac7574ec7cfebcf18b1ee1 all runs: OK false negative chance: 0.000 # git bisect start 6465e260f48790807eef06b583b38ca9789b6072 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 6721 revisions left to test after this (roughly 13 steps) [4fb0dacb78c6a041bbd38ddd998df806af5c2c69] Merge tag 'sound-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 4fb0dacb78c6a041bbd38ddd998df806af5c2c69 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 061eddea9d6a9f9a2208b8a5b8af1feaaece881ac302ef365c75876573bfe8ea all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad 4fb0dacb78c6a041bbd38ddd998df806af5c2c69 Bisecting: 3156 revisions left to test after this (roughly 12 steps) [bd6c11bc43c496cddfc6cf603b5d45365606dbd5] Merge tag 'net-next-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit bd6c11bc43c496cddfc6cf603b5d45365606dbd5 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c4808a9a043ec55283fcd354178b62b4a6f04d1c201211d9543f4665e61d3b29 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad bd6c11bc43c496cddfc6cf603b5d45365606dbd5 Bisecting: 1988 revisions left to test after this (roughly 11 steps) [6c9cfb853063f317b2953c5e852b6bac1eb0cade] net: ethernet: mtk_wed: minor change in wed_{tx,rx}info_show testing commit 6c9cfb853063f317b2953c5e852b6bac1eb0cade gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ad7a01eebf57bab0ba2e174f366e8366a26a33a9d0b28842b1d7c784199c16fe all runs: OK false negative chance: 0.000 # git bisect good 6c9cfb853063f317b2953c5e852b6bac1eb0cade Bisecting: 964 revisions left to test after this (roughly 10 steps) [ccc5e9817719f59b3dea7b7a168861b4bf0b4ff4] Merge tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm testing commit ccc5e9817719f59b3dea7b7a168861b4bf0b4ff4 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a96cafd34b0d3c960786128d53169ac338b6d11cc883fba35be556fdba5fb5f1 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad ccc5e9817719f59b3dea7b7a168861b4bf0b4ff4 Bisecting: 504 revisions left to test after this (roughly 9 steps) [68cadad11fe2ddd126b37a8fba3726be7fa0f5c6] Merge tag 'rcu.2023.08.21a' of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu testing commit 68cadad11fe2ddd126b37a8fba3726be7fa0f5c6 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37024e185c54bb814cbfec7224d2c32e088c5ee5c05a951ca6681e0221d32985 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad 68cadad11fe2ddd126b37a8fba3726be7fa0f5c6 Bisecting: 257 revisions left to test after this (roughly 8 steps) [dd2c0198a8365dcc3bb6aed22313d56088e3af55] Merge tag 'erofs-for-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs testing commit dd2c0198a8365dcc3bb6aed22313d56088e3af55 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dd5017b5cecf7012baf53f206ec24f543c0e87d955a662e5b86e148ed01bfc4b all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad dd2c0198a8365dcc3bb6aed22313d56088e3af55 Bisecting: 126 revisions left to test after this (roughly 7 steps) [ecd7db20474c3859d4d01f34aaabf41bd28c7d84] Merge tag 'v6.6-vfs.tmpfs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs testing commit ecd7db20474c3859d4d01f34aaabf41bd28c7d84 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ecbec55db6adea0678bf3cd8732c25a9ef1627e314f6910d960490ced0d98593 all runs: OK false negative chance: 0.000 # git bisect good ecd7db20474c3859d4d01f34aaabf41bd28c7d84 Bisecting: 77 revisions left to test after this (roughly 6 steps) [cd4284cfd3e11c7a49e4808f76f53284d47d04dd] Merge tag 'vfs-6.6-merge-3' of ssh://gitolite.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit cd4284cfd3e11c7a49e4808f76f53284d47d04dd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a364b792325faaf7a18bcd19319edb44d552ae8eacf567144382143220b4441 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad cd4284cfd3e11c7a49e4808f76f53284d47d04dd Bisecting: 24 revisions left to test after this (roughly 5 steps) [7ecd0b6f510005e120f5bc198bacb5951814cf36] fs: export fs_holder_ops testing commit 7ecd0b6f510005e120f5bc198bacb5951814cf36 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1e220a497c4923eb267f8bd49840af8edf1893dda9d6f2d1760d14a2feb16009 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad 7ecd0b6f510005e120f5bc198bacb5951814cf36 Bisecting: 11 revisions left to test after this (roughly 4 steps) [1489dffd51d7e4519855723b00516719d5aa3a6a] ext4: close the external journal device in ->kill_sb testing commit 1489dffd51d7e4519855723b00516719d5aa3a6a gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8fe3b8e9bfb88b8d3f71207aa6294611b9bdd11e8e6c2a2cd577ab7d353317ae all runs: OK false negative chance: 0.000 # git bisect good 1489dffd51d7e4519855723b00516719d5aa3a6a Bisecting: 5 revisions left to test after this (roughly 3 steps) [aca740cecbe57b12bd9c1fc632092af5ebacda0c] fs: open block device after superblock creation testing commit aca740cecbe57b12bd9c1fc632092af5ebacda0c gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3e4aca078134b65cdd531375e0717cd99ea65301fbb85b5bf667b3dc3a58636 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad aca740cecbe57b12bd9c1fc632092af5ebacda0c Bisecting: 2 revisions left to test after this (roughly 2 steps) [126dbf8a1b9cb2d764a314716a8ea98398a6fcb2] ntfs3: rename put_ntfs ntfs3_free_sbi testing commit 126dbf8a1b9cb2d764a314716a8ea98398a6fcb2 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1cbedfd125e6c794bf9dad44b334dafae2b37f045bd84272fdc3b756e8d864c2 all runs: OK false negative chance: 0.000 # git bisect good 126dbf8a1b9cb2d764a314716a8ea98398a6fcb2 Bisecting: 0 revisions left to test after this (roughly 1 step) [a4f64a300a299f884a1da55d99c97a87061201cd] ntfs3: free the sbi in ->kill_sb testing commit a4f64a300a299f884a1da55d99c97a87061201cd gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d68635ecf961b5309a48793a5aa3b5f5dea7c5e92f46530f6fb67660a739fd90 all runs: crashed: VFS: Busy inodes after unmount (use-after-free) representative crash: VFS: Busy inodes after unmount (use-after-free), types: [UNKNOWN] # git bisect bad a4f64a300a299f884a1da55d99c97a87061201cd Bisecting: 0 revisions left to test after this (roughly 0 steps) [5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094] ntfs3: don't call sync_blockdev in ntfs_put_super testing commit 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 gcc compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 59d8763d35a20d99cf7984cdb530f30d9237e998c19d38fc92ad89a9a497c382 run #0: crashed: KASAN: out-of-bounds Write in end_buffer_read_sync run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: KASAN: out-of-bounds Write in end_buffer_read_sync, types: [KASAN] # git bisect bad 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 is the first bad commit commit 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 Author: Christoph Hellwig Date: Wed Aug 9 15:05:44 2023 -0700 ntfs3: don't call sync_blockdev in ntfs_put_super kill_block_super will call sync_blockdev just a tad later already. Signed-off-by: Christoph Hellwig Reviewed-by: Christian Brauner Message-Id: <20230809220545.1308228-13-hch@lst.de> Signed-off-by: Christian Brauner fs/ntfs3/super.c | 2 -- 1 file changed, 2 deletions(-) accumulated error probability: 0.00 culprit signature: 59d8763d35a20d99cf7984cdb530f30d9237e998c19d38fc92ad89a9a497c382 parent signature: 1cbedfd125e6c794bf9dad44b334dafae2b37f045bd84272fdc3b756e8d864c2 reproducer is flaky (0.55 repro chance estimate) revisions tested: 22, total time: 5h4m54.741259377s (build: 2h10m6.905129419s, test: 2h40m57.666940958s) first bad commit: 5f0fb2210bb34ecd3f7bfde0d8f0068b79b2e094 ntfs3: don't call sync_blockdev in ntfs_put_super recipients (to): ["almaz.alexandrovich@paragon-software.com" "brauner@kernel.org" "hch@lst.de" "ntfs3@lists.linux.dev"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: KASAN: out-of-bounds Write in end_buffer_read_sync ================================================================== BUG: KASAN: out-of-bounds in instrument_atomic_read_write include/linux/instrumented.h:96 [inline] BUG: KASAN: out-of-bounds in atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline] BUG: KASAN: out-of-bounds in put_bh include/linux/buffer_head.h:333 [inline] BUG: KASAN: out-of-bounds in end_buffer_read_sync+0x60/0x90 fs/buffer.c:160 Write of size 4 at addr ffffc90004c4f960 by task ksoftirqd/0/14 CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x3d/0x60 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report+0xda/0x110 mm/kasan/report.c:588 check_region_inline mm/kasan/generic.c:181 [inline] kasan_check_range+0xef/0x190 mm/kasan/generic.c:187 instrument_atomic_read_write include/linux/instrumented.h:96 [inline] atomic_dec include/linux/atomic/atomic-instrumented.h:592 [inline] put_bh include/linux/buffer_head.h:333 [inline] end_buffer_read_sync+0x60/0x90 fs/buffer.c:160 end_bio_bh_io_sync+0xac/0xf0 fs/buffer.c:2789 req_bio_endio block/blk-mq.c:757 [inline] blk_update_request+0x338/0x1130 block/blk-mq.c:902 blk_mq_end_request+0x52/0x330 block/blk-mq.c:1023 blk_complete_reqs+0xa5/0xe0 block/blk-mq.c:1101 __do_softirq+0x250/0x672 kernel/softirq.c:553 run_ksoftirqd kernel/softirq.c:921 [inline] run_ksoftirqd+0x25/0x30 kernel/softirq.c:913 smpboot_thread_fn+0x4f6/0x7a0 kernel/smpboot.c:164 kthread+0x278/0x330 kernel/kthread.c:389 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 The buggy address belongs to the virtual mapping at [ffffc90004c48000, ffffc90004c51000) created by: kernel_clone+0xcb/0x7a0 kernel/fork.c:2912 The buggy address belongs to the physical page: page:ffffea00003fec40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xffb1 memcg:ffff888014cfec82 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000000000 00000001ffffffff ffff888014cfec82 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 14062, tgid 14062 (syz-executor.0), ts 252946131949, free_ts 224013109478 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x281/0x2f0 mm/page_alloc.c:1570 prep_new_page mm/page_alloc.c:1577 [inline] get_page_from_freelist+0xfcb/0x31e0 mm/page_alloc.c:3221 __alloc_pages+0x1d0/0x470 mm/page_alloc.c:4477 vm_area_alloc_pages mm/vmalloc.c:3059 [inline] __vmalloc_area_node mm/vmalloc.c:3135 [inline] __vmalloc_node_range+0x6f8/0x1140 mm/vmalloc.c:3316 alloc_thread_stack_node kernel/fork.c:309 [inline] dup_task_struct kernel/fork.c:1113 [inline] copy_process+0x10a8/0x6180 kernel/fork.c:2330 kernel_clone+0xcb/0x7a0 kernel/fork.c:2912 __do_sys_clone3+0x152/0x190 kernel/fork.c:3213 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1161 [inline] free_unref_page_prepare+0x5aa/0xc40 mm/page_alloc.c:2348 free_unref_page+0x33/0x350 mm/page_alloc.c:2443 kasan_depopulate_vmalloc_pte+0x63/0x80 mm/kasan/shadow.c:427 apply_to_pte_range mm/memory.c:2596 [inline] apply_to_pmd_range mm/memory.c:2640 [inline] apply_to_pud_range mm/memory.c:2676 [inline] apply_to_p4d_range mm/memory.c:2712 [inline] __apply_to_page_range+0x343/0x8b0 mm/memory.c:2746 kasan_release_vmalloc+0xa8/0xc0 mm/kasan/shadow.c:544 __purge_vmap_area_lazy+0x6f2/0x2760 mm/vmalloc.c:1770 drain_vmap_area_work+0x4d/0xb0 mm/vmalloc.c:1804 process_one_work+0x922/0x1370 kernel/workqueue.c:2597 worker_thread+0xfb/0xe40 kernel/workqueue.c:2748 kthread+0x278/0x330 kernel/kthread.c:389 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Memory state around the buggy address: ffffc90004c4f800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90004c4f880: 00 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 04 f2 00 >ffffc90004c4f900: f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffffc90004c4f980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90004c4fa00: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 ==================================================================