ci2 starts bisection 2024-02-22 12:52:52.666550333 +0000 UTC m=+69400.948349532 bisecting fixing commit since 69b41ac87e4a664de78a395ff97166f0b2943210 building syzkaller on f0036e181e274023235289be91e334cb7507eaa6 ensuring issue is reproducible on original commit 69b41ac87e4a664de78a395ff97166f0b2943210 testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7aa2e02006ba52457cef0af9ad7d329efaf230185f7179a53375c1bf2ade34f9 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fda941caa7b851b55f44bc265a497c603a59226544ca80503929cdb26370df19 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] the bug reproduces without the instrumentation disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3932 full=7553 leaves diff=2007 split chunks (needed=false): <2007> split chunk #0 of len 2007 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 949490258c9fa6468bbefa97be9090a22b53df8d5ccb1fe4072a0e4e25e77882 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f29ea1c5754af56717d6379fb801da2536cd8756fbac89a1e9706b042311ff19 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8d31349ea0ee4b4079e7b15e3bd7f29337b22787d4fbf7a0d74d9db81ca26ab all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3cf42748e94ac64a5d2df289bdb0ab2e3be1e31faa999de47f6f7cd4a300ae3d all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit 69b41ac87e4a664de78a395ff97166f0b2943210 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b2d31366e5e3cd54ee6c573a70276f0979142a0f98c7d1b53e1061e3b79b8176 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] the chunk can be dropped minimized to 402 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP L2TP LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_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 PAGE_IDLE_FLAG PAGE_POOL 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 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_APPARMOR SECURITY_APPARMOR_DEBUG SECURITY_APPARMOR_DEBUG_ASSERTS SECURITY_APPARMOR_HASH SECURITY_APPARMOR_HASH_DEFAULT SECURITY_APPARMOR_INTROSPECT_POLICY 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_COMMON 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 SRCU SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STAGING_MEDIA 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_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing current HEAD 39133352cbed6626956d38ed72012f49b0421e7b testing commit 39133352cbed6626956d38ed72012f49b0421e7b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d03e5e3bd988fdde83d37b7489890c7217709a76f4ceedd312b5db28455a0894 all runs: OK false negative chance: 0.000 # git bisect start 39133352cbed6626956d38ed72012f49b0421e7b 69b41ac87e4a664de78a395ff97166f0b2943210 Bisecting: 48479 revisions left to test after this (roughly 16 steps) [642073c306e66daca108cb630d169129e50a6ba3] Merge commit b320441c04c9 ("Merge tag 'tty-6.5-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty") into tty-next determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit 642073c306e66daca108cb630d169129e50a6ba3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: af22679709b27c64e65f47f47524974458fca2d73a1f91db9f442ca4df06b071 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 642073c306e66daca108cb630d169129e50a6ba3 Bisecting: 24254 revisions left to test after this (roughly 15 steps) [4de520f1fcefd4ebb7dddcf28bde1b330c2f6b5d] Merge tag 'io_uring-futex-2023-10-30' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 642073c306e66daca108cb630d169129e50a6ba3 crashed and is reachable testing commit 4de520f1fcefd4ebb7dddcf28bde1b330c2f6b5d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f712c0e9a28a5b89fa1f3230b87f440b91bff240505eb795ead20cc5a5b1396a all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 4de520f1fcefd4ebb7dddcf28bde1b330c2f6b5d Bisecting: 12127 revisions left to test after this (roughly 14 steps) [999a36b52b1b11b2ca0590756e4f8cf21f2d9182] Merge tag 'bcachefs-2024-01-10' of https://evilpiepirate.org/git/bcachefs determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit 999a36b52b1b11b2ca0590756e4f8cf21f2d9182 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cd95b76bfe035f4cb065e72547969f59946d49d29373f7985cfa62df0da89b1f all runs: OK false negative chance: 0.000 # git bisect bad 999a36b52b1b11b2ca0590756e4f8cf21f2d9182 Bisecting: 5984 revisions left to test after this (roughly 13 steps) [be3ca57cfb777ad820c6659d52e60bbdd36bf5ff] Merge tag 'media/v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit be3ca57cfb777ad820c6659d52e60bbdd36bf5ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36a23a4efedf9bb35539b977b177debe89a46da3b6ad0440ac22c1752d705152 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good be3ca57cfb777ad820c6659d52e60bbdd36bf5ff Bisecting: 2986 revisions left to test after this (roughly 12 steps) [7c5e046bdcb2513f9decb3765d8bf92d604279cf] Merge tag 'net-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit 7c5e046bdcb2513f9decb3765d8bf92d604279cf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6432d6e90af64b2f885d08132247d807ef73d740338b7d75fdf9e731a8be81ca all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 7c5e046bdcb2513f9decb3765d8bf92d604279cf Bisecting: 1489 revisions left to test after this (roughly 11 steps) [9f2a635235823cf016eb8af0aeb3c0b2b25cea64] Merge tag 'mm-nonmm-stable-2024-01-09-10-33' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 7c5e046bdcb2513f9decb3765d8bf92d604279cf crashed and is reachable testing commit 9f2a635235823cf016eb8af0aeb3c0b2b25cea64 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a7a15c46ba2ee92f18b00dc93d7af8bcca2422088db2cca34514bd9d8fb2551 all runs: OK false negative chance: 0.000 # git bisect bad 9f2a635235823cf016eb8af0aeb3c0b2b25cea64 Bisecting: 710 revisions left to test after this (roughly 10 steps) [ab5f3fcb7c72094684760e0cd8954d8d570b5e83] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit ab5f3fcb7c72094684760e0cd8954d8d570b5e83 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1a88ec9baf6076a4fb98ead027314fd35889a830df2f71ca0dbd36b4928be08e all runs: OK false negative chance: 0.000 # git bisect bad ab5f3fcb7c72094684760e0cd8954d8d570b5e83 Bisecting: 407 revisions left to test after this (roughly 9 steps) [1ab33c03145d0f6c345823fc2da935d9a1a9e9fc] asm-generic: make sparse happy with odd-sized put_unaligned_*() determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c51b09db303135260fc3e35edc75bbab26902158221dbd9676947167ec6314d3 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 1ab33c03145d0f6c345823fc2da935d9a1a9e9fc Bisecting: 202 revisions left to test after this (roughly 8 steps) [3edbe8afb617a736ae0dcc877311bdb112a00123] Merge tag 'ras_core_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 4de520f1fcefd4ebb7dddcf28bde1b330c2f6b5d crashed and is reachable testing commit 3edbe8afb617a736ae0dcc877311bdb112a00123 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 43210a622b3eee1982b65b2a998c71614a42bf2f00c40523727afb672b96f0cb all runs: OK false negative chance: 0.000 # git bisect bad 3edbe8afb617a736ae0dcc877311bdb112a00123 Bisecting: 95 revisions left to test after this (roughly 7 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 69b41ac87e4a664de78a395ff97166f0b2943210 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: d54f6bc77bdb70920d4f101f50f2cd152c01548de4e2b0498dd994e3b4660cf0 all runs: OK false negative chance: 0.000 # git bisect bad bb93c5ed457fe76597c14717eb994fc5aef22716 Bisecting: 42 revisions left to test after this (roughly 6 steps) [3f6984e7301f4a37285cc5962f97c83c7c3b8239] Merge tag 'vfs-6.8.super' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision be3ca57cfb777ad820c6659d52e60bbdd36bf5ff crashed and is reachable testing commit 3f6984e7301f4a37285cc5962f97c83c7c3b8239 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d988b8b569cc93bb54b216e40f4c4276b45c1721029040b11fd6e67877ca3fa7 all runs: OK false negative chance: 0.000 # git bisect bad 3f6984e7301f4a37285cc5962f97c83c7c3b8239 Bisecting: 29 revisions left to test after this (roughly 5 steps) [2137e1564267001b25143d21bc619189c1f74bc6] Merge branch 'vfs.file' determine whether the revision contains the guilty commit revision 4de520f1fcefd4ebb7dddcf28bde1b330c2f6b5d crashed and is reachable testing commit 2137e1564267001b25143d21bc619189c1f74bc6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef76fc1dee0ef38bcb97ce75cb438a666251fe05c20b979ec4e7c29b79e83ecc all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 2137e1564267001b25143d21bc619189c1f74bc6 Bisecting: 14 revisions left to test after this (roughly 4 steps) [5a8e94c0158f43341334e69a74b6dfa317ba3d2e] nilfs2: simplify device handling determine whether the revision contains the guilty commit revision be3ca57cfb777ad820c6659d52e60bbdd36bf5ff crashed and is reachable testing commit 5a8e94c0158f43341334e69a74b6dfa317ba3d2e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 260f5fbdf8aebd6e6a9c4b74c3a7aebd2188ea183c6dd25e0dd55a198428e425 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 5a8e94c0158f43341334e69a74b6dfa317ba3d2e Bisecting: 7 revisions left to test after this (roughly 3 steps) [6f861765464f43a71462d52026fbddfc858239a5] fs: Block writes to mounted block devices determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 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: 42b5e188fc709152ebf0decf6561b2acec85bfc5d5783efb3e9919454cd802e6 all runs: OK false negative chance: 0.000 # git bisect bad 6f861765464f43a71462d52026fbddfc858239a5 Bisecting: 3 revisions left to test after this (roughly 2 steps) [1bfdc94b28cf1c89b5b3fb062b1defe51fdba163] bcachefs: Convert to bdev_open_by_path() determine whether the revision contains the guilty commit revision be3ca57cfb777ad820c6659d52e60bbdd36bf5ff crashed and is reachable testing commit 1bfdc94b28cf1c89b5b3fb062b1defe51fdba163 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6058741c16ce9632b4b4a193500f1f6671914a4c02eccdf2c909425f451d05c0 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good 1bfdc94b28cf1c89b5b3fb062b1defe51fdba163 Bisecting: 1 revision left to test after this (roughly 1 step) [ed5cc702d311c14b653323d76062b0294effa66e] block: Add config option to not allow writing to mounted devices determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 crashed and is reachable testing commit ed5cc702d311c14b653323d76062b0294effa66e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2fd223a7233937cc1c90405ab82baa769cb3488b6da0846296502896ed2471a2 all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good ed5cc702d311c14b653323d76062b0294effa66e Bisecting: 0 revisions left to test after this (roughly 0 steps) [ead622674df5a3ae575b964090bee65f6b7f805f] btrfs: Do not restrict writes to btrfs devices determine whether the revision contains the guilty commit revision 69b41ac87e4a664de78a395ff97166f0b2943210 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: c7803c4ed3dae8977d5d96eac6485ddab6939266db81f5ba441ee553e94e4e1f all runs: crashed: divide error in do_journal_end representative crash: divide error in do_journal_end, types: [UNKNOWN] # git bisect good ead622674df5a3ae575b964090bee65f6b7f805f 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: 0.00 culprit signature: 42b5e188fc709152ebf0decf6561b2acec85bfc5d5783efb3e9919454cd802e6 parent signature: c7803c4ed3dae8977d5d96eac6485ddab6939266db81f5ba441ee553e94e4e1f revisions tested: 25, total time: 3h47m28.575011408s (build: 1h34m38.908092781s, test: 2h2m54.405208764s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []