ci2 starts bisection 2024-01-24 13:39:29.494789707 +0000 UTC m=+50.400802553 bisecting fixing commit since 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 building syzkaller on 058b3a5a6a945a55767811552eb7b9f4a20307f8 ensuring issue is reproducible on original commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2ffdd7ffc35677b973c26d95dcb234afe92846e433abaf9fed24ff77fff296ba run #0: crashed: WARNING in iomap_iter run #1: crashed: kernel BUG in ext4_split_extent_at run #2: crashed: kernel BUG in ext4_split_extent_at run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: kernel BUG in ext4_split_extent_at run #5: crashed: kernel BUG in ext4_split_extent_at run #6: crashed: kernel BUG in ext4_split_extent_at run #7: crashed: WARNING in iomap_iter run #8: crashed: kernel BUG in ext4_split_extent_at run #9: crashed: kernel BUG in ext4_split_extent_at run #10: crashed: kernel BUG in ext4_split_extent_at run #11: crashed: kernel BUG in ext4_split_extent_at run #12: crashed: kernel BUG in ext4_split_extent_at run #13: crashed: kernel BUG in ext4_split_extent_at run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4ba3a7163d915184e03c539656883fd4868d09812de8fce3f8b9d4c7ca9d3630 run #0: crashed: kernel BUG in ext4_split_extent_at run #1: crashed: kernel BUG in ext4_split_extent_at run #2: crashed: kernel BUG in ext4_split_extent_at run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: kernel BUG in ext4_split_extent_at run #5: crashed: WARNING in iomap_iter run #6: crashed: kernel BUG in ext4_split_extent_at run #7: OK run #8: crashed: kernel BUG in ext4_split_extent_at run #9: OK representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] the bug reproduces without the instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed kconfig minimization: base=3915 full=7602 leaves diff=2004 split chunks (needed=false): <2004> split chunk #0 of len 2004 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dcfa08fc37aeff6aed35d03aea776d5c34666c36f0b1d2dfa0cdc2781e3bf174 run #0: crashed: kernel BUG in ext4_split_extent_at run #1: crashed: kernel BUG in ext4_split_extent_at run #2: crashed: kernel BUG in ext4_split_extent_at run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: kernel BUG in ext4_split_extent_at run #5: crashed: kernel BUG in ext4_split_extent_at run #6: crashed: WARNING in iomap_iter run #7: crashed: kernel BUG in ext4_split_extent_at run #8: crashed: WARNING in iomap_iter run #9: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 331e1a757b436727ba4a8f3f70c505ba22719007b6d141e029c6be228fae686f run #0: crashed: kernel BUG in ext4_split_extent_at run #1: crashed: kernel BUG in ext4_split_extent_at run #2: crashed: WARNING in iomap_iter run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: WARNING in iomap_iter run #5: crashed: kernel BUG in ext4_split_extent_at run #6: crashed: kernel BUG in ext4_split_extent_at run #7: crashed: kernel BUG in ext4_split_extent_at run #8: crashed: kernel BUG in ext4_split_extent_at run #9: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6c6333f881de58d37b4181e9a21e23604dddb2e22ca14c4a9d21029203e316b run #0: crashed: kernel BUG in ext4_split_extent_at run #1: crashed: kernel BUG in ext4_split_extent_at run #2: crashed: kernel BUG in ext4_split_extent_at run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: kernel BUG in ext4_split_extent_at run #5: crashed: kernel BUG in ext4_split_extent_at run #6: crashed: kernel BUG in ext4_split_extent_at run #7: OK run #8: OK run #9: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 38cd5befd47b977597fa6aa38da4dfed1ded1a61afcfdcae5f3594d34388d0ad all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc883f59212366adccc662a87f9bdf80cf127ac651688756f17ce3af67442197 run #0: crashed: kernel BUG in ext4_split_extent_at run #1: crashed: WARNING in iomap_iter run #2: crashed: kernel BUG in ext4_split_extent_at run #3: crashed: kernel BUG in ext4_split_extent_at run #4: crashed: kernel BUG in ext4_split_extent_at run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] the chunk can be dropped minimized to 401 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_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 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_POOL_STATS PAGE_REPORTING 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 PER_VMA_LOCK_STATS 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 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 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 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 [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing current HEAD 615d300648869c774bd1fe54b4627bb0c20faed4 testing commit 615d300648869c774bd1fe54b4627bb0c20faed4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f757a79cd97d4ca8e775b0dc6b645cd60b4a9b6c9eee0bf25dfc53601c36c99 all runs: OK false negative chance: 0.001 # git bisect start 615d300648869c774bd1fe54b4627bb0c20faed4 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 Bisecting: 31096 revisions left to test after this (roughly 15 steps) [d8118b945f03dbfcda72c273fa9b0548f73c8ce9] Merge branch 'udp-tunnel-route-lookups' determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit d8118b945f03dbfcda72c273fa9b0548f73c8ce9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b37273a781f9675d9ded0bbc4999bea19823d0808716e2f19082f41c1fb866e6 all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good d8118b945f03dbfcda72c273fa9b0548f73c8ce9 Bisecting: 15549 revisions left to test after this (roughly 14 steps) [56d428ae1c4e27fbe02cb554b2192cd66e4df05a] Merge tag 'riscv-for-linus-6.7-mw2' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit 56d428ae1c4e27fbe02cb554b2192cd66e4df05a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3b937c3258f7e3636ace64a76d1e560b646f2e3a41b05a8c2c78ab9c90f6c881 all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good 56d428ae1c4e27fbe02cb554b2192cd66e4df05a Bisecting: 7547 revisions left to test after this (roughly 13 steps) [c4101e55974cc7d835fbd2d8e01553a3f61e9e75] Merge tag 'soc-dt-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit c4101e55974cc7d835fbd2d8e01553a3f61e9e75 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7d862da38de6d7a6703ff75456c9e990073c7bc7d374349f8f91808cec4a008 all runs: OK false negative chance: 0.001 # git bisect bad c4101e55974cc7d835fbd2d8e01553a3f61e9e75 Bisecting: 3991 revisions left to test after this (roughly 12 steps) [7da71072e1d6967c0482abcbb5991ffb5953fdf2] Merge tag 'pm-6.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit 7da71072e1d6967c0482abcbb5991ffb5953fdf2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e7d3b91981e36099651c8f5b650aebbb5d887ed5df5a3920e17f77391e56182 all runs: OK false negative chance: 0.001 # git bisect bad 7da71072e1d6967c0482abcbb5991ffb5953fdf2 Bisecting: 2006 revisions left to test after this (roughly 11 steps) [1bf5c8925609425fe0ff7270fe8fb14246c01694] Merge tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit 1bf5c8925609425fe0ff7270fe8fb14246c01694 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: de1a2d2c477841f12b8cca39516ffbdd054acaac5191a7ad87d3fae2244bb637 all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good 1bf5c8925609425fe0ff7270fe8fb14246c01694 Bisecting: 998 revisions left to test after this (roughly 10 steps) [bfe8eb3b85c571f7e94e1039f59b462505b8e0fc] Merge tag 'sched-core-2024-01-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit bfe8eb3b85c571f7e94e1039f59b462505b8e0fc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a8107d4b2021259a9ca378a0da5970e558642376f387b8fa0dccb9f6c0378d3 all runs: OK false negative chance: 0.001 # git bisect bad bfe8eb3b85c571f7e94e1039f59b462505b8e0fc Bisecting: 502 revisions left to test after this (roughly 9 steps) [c604110e662a54568073a03176402b624e740310] Merge tag 'vfs-6.8.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 1bf5c8925609425fe0ff7270fe8fb14246c01694 crashed and is reachable testing commit c604110e662a54568073a03176402b624e740310 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 195547f34ae4aaba172e22ced947154409df0899b4f88334ef6e7f02e38cb76e all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good c604110e662a54568073a03176402b624e740310 Bisecting: 236 revisions left to test after this (roughly 8 steps) [968b80332432172dbbb773e749a43bdc846d1a13] Merge tag 'powerpc-6.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux determine whether the revision contains the guilty commit revision 1bf5c8925609425fe0ff7270fe8fb14246c01694 crashed and is reachable testing commit 968b80332432172dbbb773e749a43bdc846d1a13 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6f720fd3b202a516b5829d41df888fda9cc0453c6f6cab5d3d0f10ea02ac1152 all runs: OK false negative chance: 0.001 # git bisect bad 968b80332432172dbbb773e749a43bdc846d1a13 Bisecting: 129 revisions left to test after this (roughly 7 steps) [fc5e5c5923407b4b312d999af27aaddbdd33c790] Merge tag 'x86_paravirt_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit fc5e5c5923407b4b312d999af27aaddbdd33c790 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b9f8450845ffe359e2c29bf5b32673e2a8365bfcebd4c6d9e449cfdd0e56734f all runs: OK false negative chance: 0.001 # git bisect bad fc5e5c5923407b4b312d999af27aaddbdd33c790 Bisecting: 64 revisions left to test after this (roughly 6 steps) [bb93c5ed457fe76597c14717eb994fc5aef22716] Merge tag 'vfs-6.8.rw' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 25041a4c02c7cf774d8b6ed60586fd64f1cdaa81 crashed and is reachable testing commit bb93c5ed457fe76597c14717eb994fc5aef22716 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 007de40317b877fdd8c90377a23c093cf7b0fada6e3589f258c04b353918e6a5 all runs: OK false negative chance: 0.001 # git bisect bad bb93c5ed457fe76597c14717eb994fc5aef22716 Bisecting: 31 revisions left to test after this (roughly 5 steps) [8c9440fea77440772542d6dbcb5c36182495c164] Merge tag 'vfs-6.8.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit 8c9440fea77440772542d6dbcb5c36182495c164 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79f8b69350f078b63eec935cbde918f8e0762cdacf60c9821abc26f56c00bcfc all runs: OK false negative chance: 0.001 # git bisect bad 8c9440fea77440772542d6dbcb5c36182495c164 Bisecting: 19 revisions left to test after this (roughly 4 steps) [cd34758c5238ae6976b10fe15bba7031b409c969] block: Remove blkdev_get_by_*() functions determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit cd34758c5238ae6976b10fe15bba7031b409c969 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9c195fbf81f1a2b79a05d973c54a02a057ba697bc5b7c7a24d3e9548c9ebedc5 all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good cd34758c5238ae6976b10fe15bba7031b409c969 Bisecting: 9 revisions left to test after this (roughly 3 steps) [5bd3cf8cbc8a286308ef3f40656659d5abc89995] add selftest for statmount/listmount determine whether the revision contains the guilty commit revision 56d428ae1c4e27fbe02cb554b2192cd66e4df05a crashed and is reachable testing commit 5bd3cf8cbc8a286308ef3f40656659d5abc89995 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 294f149cd4e45078330dd1d3614e9daec251dd8f1ea3e27cef2b7bfc11d1e12d all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good 5bd3cf8cbc8a286308ef3f40656659d5abc89995 Bisecting: 4 revisions left to test after this (roughly 2 steps) [afde134b5bd02a5c719336ca1d0d3cb7e4def70e] ext4: Block writes to journal device determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit afde134b5bd02a5c719336ca1d0d3cb7e4def70e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 84a3a737bc5e7b15f94af6dd869f9450655b0d1b6e9a94960b166456a1f40227 all runs: OK false negative chance: 0.001 # git bisect bad afde134b5bd02a5c719336ca1d0d3cb7e4def70e Bisecting: 2 revisions left to test after this (roughly 1 step) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision d8118b945f03dbfcda72c273fa9b0548f73c8ce9 crashed and is reachable testing commit ead622674df5a3ae575b964090bee65f6b7f805f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e87b76bb8665b200513cbf16ed57f533c9f3b8b2f3cea35cd05134ea5292cbe all runs: crashed: kernel BUG in ext4_split_extent_at representative crash: kernel BUG in ext4_split_extent_at, types: [BUG] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f Bisecting: 0 revisions left to test after this (roughly 1 step) [3584c8f48a70c1f74c7b7bab59cf22bb66224649] xfs: Block writes to log device determine whether the revision contains the guilty commit revision 56d428ae1c4e27fbe02cb554b2192cd66e4df05a crashed and is reachable testing commit 3584c8f48a70c1f74c7b7bab59cf22bb66224649 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9107a474a984e5c0467a9c40f9ef6c4b93f089503206dbdb3957cd52ebaa0ef9 all runs: OK false negative chance: 0.001 # git bisect bad 3584c8f48a70c1f74c7b7bab59cf22bb66224649 Bisecting: 0 revisions left to test after this (roughly 0 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision 56d428ae1c4e27fbe02cb554b2192cd66e4df05a crashed and is reachable testing commit 6f861765464f43a71462d52026fbddfc858239a5 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a613e897405dcd6fe59c6ade1b796a3e92cf40bfcfd68bf30fb1167bc0eacb0d all runs: OK false negative chance: 0.001 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 6f861765464f43a71462d52026fbddfc858239a5 is the first bad commit commit 6f861765464f43a71462d52026fbddfc858239a5 Author: Jan Kara Date: Wed Nov 1 18:43:10 2023 +0100 fs: Block writes to mounted block devices Ask block layer to block writes to block devices mounted by filesystems. Signed-off-by: Jan Kara Link: https://lore.kernel.org/r/20231101174325.10596-5-jack@suse.cz Reviewed-by: Christian Brauner Reviewed-by: Jens Axboe Signed-off-by: Christian Brauner include/linux/blkdev.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) accumulated error probability: 0.01 culprit signature: a613e897405dcd6fe59c6ade1b796a3e92cf40bfcfd68bf30fb1167bc0eacb0d parent signature: 6e87b76bb8665b200513cbf16ed57f533c9f3b8b2f3cea35cd05134ea5292cbe revisions tested: 25, total time: 5h41m7.673240229s (build: 1h37m31.351981299s, test: 3h33m42.465350932s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []