ci2 starts bisection 2023-10-28 11:59:47.497427597 +0000 UTC m=+79843.173046231
bisecting fixing commit since bfa3037d828050896ae52f6467b6ca2489ae6fb1
building syzkaller on 4547cdf9e497f833628b7b0660809b3247a7411e
ensuring issue is reproducible on original commit bfa3037d828050896ae52f6467b6ca2489ae6fb1

testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d3d299555d2386d2767574d86db407ba88d4ad2dd9a306d531a7db304e6ce08e
run #0: crashed: INFO: task hung in ntfs_read_folio
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ntfs_read_folio
run #3: crashed: INFO: task hung in ni_readpage_cmpr
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: crashed: INFO: task hung in ntfs_compress_write
run #6: crashed: INFO: task hung in ni_readpage_cmpr
run #7: crashed: INFO: task hung in ntfs_compress_write
run #8: crashed: INFO: task hung in ni_readpage_cmpr
run #9: crashed: INFO: task hung in ntfs_read_folio
run #10: crashed: INFO: task hung in ni_readpage_cmpr
run #11: crashed: INFO: task hung in ntfs_read_folio
run #12: crashed: INFO: task hung in ni_readpage_cmpr
run #13: crashed: INFO: task hung in ntfs_compress_write
run #14: crashed: INFO: task hung in ntfs_read_folio
run #15: crashed: INFO: task hung in ntfs_read_folio
run #16: crashed: INFO: task hung in ntfs_compress_write
run #17: crashed: INFO: task hung in ntfs_compress_write
run #18: crashed: INFO: task hung in ntfs_read_folio
run #19: crashed: INFO: task hung in ntfs_read_folio
representative crash: INFO: task hung in ntfs_read_folio, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a3b3dc2cadcddd941033ded0bd683ebd14224beb87d419a96b0f4c1fc997b104
run #0: crashed: INFO: task hung in ni_readpage_cmpr
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ni_readpage_cmpr
run #3: crashed: INFO: task hung in ntfs_read_folio
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: crashed: INFO: task hung in ntfs_read_folio
run #6: crashed: INFO: task hung in ntfs_get_frame_pages
run #7: crashed: INFO: task hung in ntfs_get_frame_pages
run #8: crashed: INFO: task hung in ni_readpage_cmpr
run #9: crashed: INFO: task hung in ni_readpage_cmpr
representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
kconfig minimization: base=3930 full=7645 leaves diff=1991
split chunks (needed=false): <1991>
split chunk #0 of len 1991 into 5 parts
testing without sub-chunk 1/5
disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a7e9cab5a09ca9a2ddfdf0f50363900d642449f7406ba2b69f94f47d3c85fb09
run #0: crashed: INFO: task hung in ni_readpage_cmpr
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ni_readpage_cmpr
run #3: crashed: INFO: task hung in ntfs_get_frame_pages
run #4: crashed: INFO: task hung in ntfs_get_frame_pages
run #5: crashed: INFO: task hung in ni_readpage_cmpr
run #6: crashed: INFO: task hung in ntfs_read_folio
run #7: crashed: INFO: task hung in ni_readpage_cmpr
run #8: crashed: INFO: task hung in ni_readpage_cmpr
run #9: OK
representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: c2334056dfc29060667eb2d5cec61190108e0d2eadc3d0013bddc751a8dfa40c
run #0: crashed: INFO: task hung in ntfs_read_folio
run #1: crashed: INFO: task hung in ntfs_get_frame_pages
run #2: crashed: INFO: task hung in ntfs_get_frame_pages
run #3: crashed: INFO: task hung in ntfs_get_frame_pages
run #4: crashed: INFO: task hung in ntfs_get_frame_pages
run #5: crashed: INFO: task hung in ntfs_read_folio
run #6: crashed: INFO: task hung in ni_readpage_cmpr
run #7: crashed: INFO: task hung in ntfs_read_folio
run #8: crashed: INFO: task hung in ni_readpage_cmpr
run #9: crashed: INFO: task hung in ni_readpage_cmpr
representative crash: INFO: task hung in ntfs_read_folio, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 5d369fb6352d256af949cd0450b028b3eda8756701b5361ce0a5327de6b1636a
run #0: crashed: INFO: task hung in ntfs_get_frame_pages
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ni_readpage_cmpr
run #3: crashed: INFO: task hung in ntfs_get_frame_pages
run #4: crashed: INFO: task hung in ntfs_get_frame_pages
run #5: crashed: INFO: task hung in ntfs_get_frame_pages
run #6: crashed: INFO: task hung in ni_readpage_cmpr
run #7: crashed: INFO: task hung in ntfs_read_folio
run #8: crashed: INFO: task hung in ntfs_read_folio
run #9: crashed: INFO: task hung in ntfs_read_folio
representative crash: INFO: task hung in ntfs_get_frame_pages, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 220132b185d63106c96bceb86245a49f93140e27c2bf9e7aeaac42d439a4a216
all runs: OK
false negative chance: 0.000
testing without sub-chunk 5/5
disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed
testing commit bfa3037d828050896ae52f6467b6ca2489ae6fb1 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f8762beb22e48f6ba533c7254d5822ed7263db29faf81c08126e7104f9178e39
run #0: crashed: INFO: task hung in ni_readpage_cmpr
run #1: crashed: INFO: task hung in ntfs_read_folio
run #2: crashed: INFO: task hung in ntfs_read_folio
run #3: crashed: INFO: task hung in ni_readpage_cmpr
run #4: crashed: INFO: task hung in ntfs_get_frame_pages
run #5: crashed: INFO: task hung in ntfs_read_folio
run #6: crashed: INFO: task hung in ntfs_get_frame_pages
run #7: crashed: INFO: task hung in ntfs_get_frame_pages
run #8: crashed: INFO: task hung in ni_readpage_cmpr
run #9: OK
representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG]
the chunk can be dropped
minimized to 399 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_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 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_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 PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X 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 SECURITY_SMACK_NETFILTER 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 [BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN], they are not needed
testing current HEAD 56567a20b22bdbf85c3e55eee3bf2bd23fa2f108
testing commit 56567a20b22bdbf85c3e55eee3bf2bd23fa2f108 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 3776b300bc431e63e4e0a6d6d517eb8900bc65346034974f9e54123b8af0fdf4
all runs: OK
false negative chance: 0.000
# git bisect start 56567a20b22bdbf85c3e55eee3bf2bd23fa2f108 bfa3037d828050896ae52f6467b6ca2489ae6fb1
Bisecting: 8867 revisions left to test after this (roughly 13 steps)
[461f35f014466c4e26dca6be0f431f57297df3f2] Merge tag 'drm-next-2023-08-30' of git://anongit.freedesktop.org/drm/drm

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit 461f35f014466c4e26dca6be0f431f57297df3f2 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2cb9b2bbc9eebca418125c6d74d732fdcd6846a57608e6ec9600cf5a6957d9de
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 good 461f35f014466c4e26dca6be0f431f57297df3f2
Bisecting: 4426 revisions left to test after this (roughly 12 steps)
[f7e97ce26972ae7be8bbbae8d819ff311d4c5900] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit f7e97ce26972ae7be8bbbae8d819ff311d4c5900 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d9467f7f3387e89e4361b12ffa62a334a54172294c515eae205b01d474081c89
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 good f7e97ce26972ae7be8bbbae8d819ff311d4c5900
Bisecting: 2313 revisions left to test after this (roughly 11 steps)
[fd3a5940e66d059d375bdb9e2d7d06c56f630d7e] Merge tag '6.6-rc-smb3-client-fixes-part2' of git://git.samba.org/sfrench/cifs-2.6

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit fd3a5940e66d059d375bdb9e2d7d06c56f630d7e gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a9f31fb4ae17c34634562d1d2411ec68fce0e8f39040cef747cf40abc8fcb8b1
run #0: crashed: INFO: task hung in ntfs_read_folio
run #1: crashed: INFO: task hung in ntfs_get_frame_pages
run #2: crashed: INFO: task hung in ni_readpage_cmpr
run #3: crashed: INFO: task hung in ntfs_read_folio
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: crashed: INFO: task hung in ntfs_get_frame_pages
run #6: crashed: INFO: task hung in ntfs_read_folio
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in ntfs_read_folio, types: [HANG]
# git bisect good fd3a5940e66d059d375bdb9e2d7d06c56f630d7e
Bisecting: 1152 revisions left to test after this (roughly 10 steps)
[d2c5231581d636af8d5af888ee13048dfbb438c7] Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

determine whether the revision contains the guilty commit
revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable
testing commit d2c5231581d636af8d5af888ee13048dfbb438c7 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8eccd16f3eb63093833ac0cf251b8e057e1adacca48f232d0ba0ec19af16390c
run #0: crashed: INFO: task hung in ntfs_get_frame_pages
run #1: crashed: INFO: task hung in ntfs_read_folio
run #2: crashed: INFO: task hung in ntfs_read_folio
run #3: crashed: INFO: task hung in ntfs_read_folio
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: crashed: INFO: task hung in ntfs_get_frame_pages
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: INFO: task hung in ni_readpage_cmpr
representative crash: INFO: task hung in ntfs_get_frame_pages, types: [HANG]
# git bisect good d2c5231581d636af8d5af888ee13048dfbb438c7
Bisecting: 576 revisions left to test after this (roughly 9 steps)
[ddf2085598021bc84c01b1e1ac3ed992045f23ec] Merge tag 'smp-urgent-2023-10-15' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

determine whether the revision contains the guilty commit
revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable
testing commit ddf2085598021bc84c01b1e1ac3ed992045f23ec gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 03e6d4f6ce19cf545bce455007431a26d29d7d61b41c5ff68a2fed30e8512d1d
run #0: crashed: INFO: task hung in ntfs_get_frame_pages
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ntfs_read_folio
run #3: crashed: INFO: task hung in ni_readpage_cmpr
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in ntfs_get_frame_pages, types: [HANG]
# git bisect good ddf2085598021bc84c01b1e1ac3ed992045f23ec
Bisecting: 289 revisions left to test after this (roughly 8 steps)
[cd8892c07876da0c4b50e020048a32a28596a074] Merge branch 'gtp-tunnel-driver-fixes'

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit cd8892c07876da0c4b50e020048a32a28596a074 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 424414067f7fdc7537341f717401be03d7d0ec6731128044ddb6f3dfdf2a8bc3
all runs: OK
false negative chance: 0.000
# git bisect bad cd8892c07876da0c4b50e020048a32a28596a074
Bisecting: 145 revisions left to test after this (roughly 7 steps)
[54fb58aec47a49a80534d2ccabd319334d6b0ef8] Merge tag 'slab-fixes-for-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab

determine whether the revision contains the guilty commit
revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable
testing commit 54fb58aec47a49a80534d2ccabd319334d6b0ef8 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f3342c1f273298c25346f02a1aaa07937d738da51b2636a677409e4c61fefacd
all runs: OK
false negative chance: 0.000
# git bisect bad 54fb58aec47a49a80534d2ccabd319334d6b0ef8
Bisecting: 70 revisions left to test after this (roughly 6 steps)
[58720809f52779dc0f08e53e54b014209d13eebb] Linux 6.6-rc6

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit 58720809f52779dc0f08e53e54b014209d13eebb gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: df78df7e6d4c5f8cc56628a26b597d793d8d4e4e4c0df972df44ac5c66f8ee1c
run #0: crashed: INFO: task hung in ni_readpage_cmpr
run #1: crashed: INFO: task hung in ni_readpage_cmpr
run #2: crashed: INFO: task hung in ntfs_get_frame_pages
run #3: crashed: INFO: task hung in ntfs_get_frame_pages
run #4: crashed: INFO: task hung in ntfs_read_folio
run #5: crashed: INFO: task hung in ni_readpage_cmpr
run #6: crashed: INFO: task hung in ni_readpage_cmpr
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in ni_readpage_cmpr, types: [HANG]
# git bisect good 58720809f52779dc0f08e53e54b014209d13eebb
Bisecting: 31 revisions left to test after this (roughly 5 steps)
[06dc10eae55b5ceabfef287a7e5f16ceea204aa0] Merge tag 'fbdev-for-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev

determine whether the revision contains the guilty commit
revision 58720809f52779dc0f08e53e54b014209d13eebb crashed and is reachable
testing commit 06dc10eae55b5ceabfef287a7e5f16ceea204aa0 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d302ba553e93b9045f70b1a6212f4c243ae0f2efe84d496985666ef1252c9ba2
run #0: crashed: INFO: task hung in ntfs_read_folio
run #1: crashed: INFO: task hung in ntfs_read_folio
run #2: crashed: INFO: task hung in ni_readpage_cmpr
run #3: crashed: INFO: task hung in ntfs_read_folio
run #4: crashed: INFO: task hung in ni_readpage_cmpr
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
representative crash: INFO: task hung in ntfs_read_folio, types: [HANG]
# git bisect good 06dc10eae55b5ceabfef287a7e5f16ceea204aa0
Bisecting: 15 revisions left to test after this (roughly 4 steps)
[34e6552a442f268eefd408e47f4f2d471aa64829] fs/ntfs3: Fix OOB read in ntfs_init_from_boot

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit 34e6552a442f268eefd408e47f4f2d471aa64829 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 151eab748578fde45d1881ea2c4bd623d535d72da3cf12420a0bd40102a0be76
all runs: OK
false negative chance: 0.000
# git bisect bad 34e6552a442f268eefd408e47f4f2d471aa64829
Bisecting: 7 revisions left to test after this (roughly 3 steps)
[4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e] fs/ntfs3: Allow repeated call to ntfs3_put_sbi

determine whether the revision contains the guilty commit
revision f7e97ce26972ae7be8bbbae8d819ff311d4c5900 crashed and is reachable
testing commit 4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1bddcc55facd82bed12ba19fb2c733761934faf2d1f367171a394e46768b7408
all runs: OK
false negative chance: 0.000
# git bisect bad 4ad5c924df6cd6d85708fa23f9d9a2b78a2e428e
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[013ff63b649475f0ee134e2c8d0c8e65284ede50] fs/ntfs3: Add more attributes checks in mi_enum_attr()

determine whether the revision contains the guilty commit
revision 461f35f014466c4e26dca6be0f431f57297df3f2 crashed and is reachable
testing commit 013ff63b649475f0ee134e2c8d0c8e65284ede50 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: d77d935c90db4d0065411f176fbd7d5cb17c8d3007b5e7e3a831a04d45ed51b0
run #0: crashed: KFENCE: use-after-free in super_trylock_shared
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: KFENCE: use-after-free in super_trylock_shared, types: [UNKNOWN]
# git bisect good 013ff63b649475f0ee134e2c8d0c8e65284ede50
Bisecting: 1 revision left to test after this (roughly 1 step)
[91a4b1ee78cb100b19b70f077c247f211110348f] fs/ntfs3: Fix shift-out-of-bounds in ntfs_fill_super

determine whether the revision contains the guilty commit
revision bfa3037d828050896ae52f6467b6ca2489ae6fb1 crashed and is reachable
testing commit 91a4b1ee78cb100b19b70f077c247f211110348f gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 396a0c6c8ddfe43cb9867d731f680f19e8856a42c973ad49a814d7d4d125ffbd
all runs: OK
false negative chance: 0.000
# git bisect bad 91a4b1ee78cb100b19b70f077c247f211110348f
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91] fs/ntfs3: fix deadlock in mark_as_free_ex

determine whether the revision contains the guilty commit
revision fd3a5940e66d059d375bdb9e2d7d06c56f630d7e crashed and is reachable
testing commit bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91 gcc
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: baf9d3aada5cff196734821b349cf9973f6196fe75ef6af44f9c45af036754a5
all runs: OK
false negative chance: 0.000
# git bisect bad bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91
bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91 is the first bad commit
commit bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91
Author: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Date:   Fri Jun 30 16:22:53 2023 +0400

    fs/ntfs3: fix deadlock in mark_as_free_ex
    
    Reported-by: syzbot+e94d98936a0ed08bde43@syzkaller.appspotmail.com
    Signed-off-by: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>

 fs/ntfs3/fsntfs.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

accumulated error probability: 0.00
culprit signature: baf9d3aada5cff196734821b349cf9973f6196fe75ef6af44f9c45af036754a5
parent  signature: d77d935c90db4d0065411f176fbd7d5cb17c8d3007b5e7e3a831a04d45ed51b0
reproducer is flaky (0.33 repro chance estimate)
revisions tested: 22, total time: 5h4m33.014354522s (build: 1h13m39.728948853s, test: 3h39m18.561540168s)
first good commit: bfbe5b31caa74ab97f1784fe9ade5f45e0d3de91 fs/ntfs3: fix deadlock in mark_as_free_ex
recipients (to): ["almaz.alexandrovich@paragon-software.com"]
recipients (cc): []