ci2 starts bisection 2024-01-17 11:14:44.356023249 +0000 UTC m=+4248.763098038 bisecting fixing commit since 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf building syzkaller on 2c6543adc4c5a9108455d1e59b0df0d4afc05c99 ensuring issue is reproducible on original commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 332a2810744733f17c6d5dbf099e003269bd9a6a8a4c5c6de4604dea4f3e6b7a run #0: crashed: possible deadlock in mnt_want_write_file run #1: crashed: possible deadlock in mnt_want_write_file run #2: crashed: possible deadlock in mnt_want_write_file run #3: crashed: possible deadlock in mnt_want_write_file run #4: crashed: possible deadlock in mnt_want_write_file run #5: crashed: possible deadlock in mnt_want_write_file run #6: crashed: possible deadlock in mnt_want_write_file run #7: crashed: possible deadlock in mnt_want_write_file run #8: crashed: possible deadlock in mnt_want_write_file run #9: crashed: possible deadlock in chown_common run #10: crashed: possible deadlock in chown_common run #11: crashed: possible deadlock in mnt_want_write_file run #12: crashed: possible deadlock in mnt_want_write_file run #13: crashed: possible deadlock in mnt_want_write_file run #14: crashed: possible deadlock in chown_common run #15: crashed: possible deadlock in chown_common run #16: crashed: possible deadlock in mnt_want_write_file run #17: crashed: possible deadlock in mnt_want_write_file run #18: crashed: possible deadlock in mnt_want_write_file run #19: crashed: possible deadlock in mnt_want_write_file representative crash: possible deadlock in mnt_want_write_file, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9b9ad5bd943ee7e6994cddc6083cf3d94ef3c62860a853dd72e23337c5e323e0 run #0: crashed: possible deadlock in chown_common run #1: crashed: possible deadlock in mnt_want_write_file run #2: crashed: possible deadlock in mnt_want_write_file run #3: crashed: possible deadlock in chown_common run #4: crashed: possible deadlock in chown_common run #5: crashed: possible deadlock in mnt_want_write_file run #6: crashed: possible deadlock in mnt_want_write_file run #7: crashed: possible deadlock in chown_common run #8: crashed: possible deadlock in mnt_want_write_file run #9: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=3915 full=7357 leaves diff=2002 split chunks (needed=false): <2002> split chunk #0 of len 2002 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3e65395dc26410d3391971472e722c49de777d8cbeab09bd4d7f70937ec6fde0 run #0: crashed: possible deadlock in chown_common run #1: crashed: possible deadlock in chown_common run #2: crashed: possible deadlock in mnt_want_write_file run #3: crashed: possible deadlock in chown_common run #4: crashed: possible deadlock in chown_common run #5: crashed: possible deadlock in chown_common run #6: crashed: possible deadlock in mnt_want_write_file run #7: crashed: possible deadlock in mnt_want_write_file run #8: crashed: possible deadlock in mnt_want_write_file run #9: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb4a5c27638a15daa68b72d32ee72aff184caf8f1d652e75cb94664cbce49e4b run #0: crashed: possible deadlock in mnt_want_write_file run #1: crashed: possible deadlock in mnt_want_write_file run #2: crashed: possible deadlock in chown_common run #3: crashed: possible deadlock in mnt_want_write_file run #4: crashed: possible deadlock in chown_common run #5: crashed: possible deadlock in mnt_want_write_file run #6: crashed: possible deadlock in mnt_want_write_file run #7: crashed: possible deadlock in chown_common run #8: crashed: possible deadlock in chown_common run #9: crashed: possible deadlock in chown_common representative crash: possible deadlock in mnt_want_write_file, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e59702c5ab47d6bb88a97291137e82c951758f4200e829b55b967a9e3ad9cdd8 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee57dcfc841385e3b719b4884076de90543312a414bf34bcccc45f2412cb6f4a all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fad21ec1a9e8d925d59a38197f74dd5eb9a419d351483819d765924f98a9f0eb all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] 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 LIBCRC32C 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 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_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCI_MSI_IRQ_DOMAIN 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 RANDOM_TRUST_BOOTLOADER RANDOM_TRUST_CPU 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_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP 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_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 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 TARGET_CORE 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 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_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_IMX USB_CHIPIDEA_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_TEGRA USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_PRINTER USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_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 KASAN ATOMIC_SLEEP], they are not needed testing current HEAD 052d534373b7ed33712a63d5e17b2b6cdbce84fd testing commit 052d534373b7ed33712a63d5e17b2b6cdbce84fd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26b0de8b9a376ccd6ea1a7c611f83c55fa870366450c65c572245c5122455b7a all runs: OK false negative chance: 0.000 # git bisect start 052d534373b7ed33712a63d5e17b2b6cdbce84fd 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf Bisecting: 59390 revisions left to test after this (roughly 16 steps) [7e530d32a3655f15f1cf92e8aabed1bc3a21ee36] Merge 6.4-rc4 into usb-next determine whether the revision contains the guilty commit revision 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf crashed and is reachable testing commit 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 960d300a8985e95b82e52a997988514bd518a957e498133d091513ef44b3ccae all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 Bisecting: 29719 revisions left to test after this (roughly 15 steps) [9ed22ae6be817d7a3f5c15ca22cbc9d3963b481d] Merge tag 'spi-fix-v6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi determine whether the revision contains the guilty commit revision 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 crashed and is reachable testing commit 9ed22ae6be817d7a3f5c15ca22cbc9d3963b481d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fa2e6904daeb66372de5a4685deaffeb7b0ea89c1821a90ee3dbbe9387e69212 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good 9ed22ae6be817d7a3f5c15ca22cbc9d3963b481d Bisecting: 14819 revisions left to test after this (roughly 14 steps) [4c7a0c95adc3ed8cc5e4c2187521aea3e40ba1aa] Merge tag 'staging-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging determine whether the revision contains the guilty commit revision 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 crashed and is reachable testing commit 4c7a0c95adc3ed8cc5e4c2187521aea3e40ba1aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 69ef61a7a72cf146819da788faa5ee277d4cfcf927fb689b190a438e6cb07424 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good 4c7a0c95adc3ed8cc5e4c2187521aea3e40ba1aa Bisecting: 7317 revisions left to test after this (roughly 13 steps) [999a36b52b1b11b2ca0590756e4f8cf21f2d9182] Merge tag 'bcachefs-2024-01-10' of https://evilpiepirate.org/git/bcachefs determine whether the revision contains the guilty commit revision 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf 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: e426e2134be0901ab09a27cedf629033221c250354fbef3ea8ec1c4d0edd29fc all runs: OK false negative chance: 0.000 # git bisect bad 999a36b52b1b11b2ca0590756e4f8cf21f2d9182 Bisecting: 3751 revisions left to test after this (roughly 12 steps) [5e3f5b81de80c98338bcb47c233aebefee5a4801] Merge tag 'net-6.7-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf crashed and is reachable testing commit 5e3f5b81de80c98338bcb47c233aebefee5a4801 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 57fd57dffbe7e93c21750786110d7c2ba0bfaa26af96e01bb4d944dbb6587d53 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good 5e3f5b81de80c98338bcb47c233aebefee5a4801 Bisecting: 2011 revisions left to test after this (roughly 11 steps) [d30e51aa7b1f6fa7dd78d4598d1e4c047fcc3fb9] Merge tag 'slab-for-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab determine whether the revision contains the guilty commit revision 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 crashed and is reachable testing commit d30e51aa7b1f6fa7dd78d4598d1e4c047fcc3fb9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26796bf767c2dd35a13b0260a05da329e2f9673fa107890add1f93b48c0159b2 all runs: OK false negative chance: 0.000 # git bisect bad d30e51aa7b1f6fa7dd78d4598d1e4c047fcc3fb9 Bisecting: 875 revisions left to test after this (roughly 10 steps) [fa655abe42c65e7e4ad52baf280dadfb571c110e] Merge tag 'input-for-v6.7-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input determine whether the revision contains the guilty commit revision 9ed22ae6be817d7a3f5c15ca22cbc9d3963b481d crashed and is reachable testing commit fa655abe42c65e7e4ad52baf280dadfb571c110e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 13fdc45b6d690b50facabcf32e31cc3e6c95aa7166b392639ccddc88168f739f all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good fa655abe42c65e7e4ad52baf280dadfb571c110e Bisecting: 438 revisions left to test after this (roughly 9 steps) [1dee7f509db20402a25be94003f8f1ac3e17bdc1] Merge tag 'edac_updates_for_v6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras determine whether the revision contains the guilty commit revision 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf crashed and is reachable testing commit 1dee7f509db20402a25be94003f8f1ac3e17bdc1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e093dbad35675cda7729f9bf07a79a57f9b63fbb8ee12cb482742a833d94bbb all runs: OK false negative chance: 0.000 # git bisect bad 1dee7f509db20402a25be94003f8f1ac3e17bdc1 Bisecting: 217 revisions left to test after this (roughly 8 steps) [1f874787ed9a2d78ed59cb21d0d90ac0178eceb0] Merge tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision fa655abe42c65e7e4ad52baf280dadfb571c110e crashed and is reachable testing commit 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2ab88f4c40d491e6abb5d8b5b5456fc8ed3887d6fd3c4659d6ceab1c12568397 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 Bisecting: 119 revisions left to test after this (roughly 7 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 4c7a0c95adc3ed8cc5e4c2187521aea3e40ba1aa 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: 7b05964a4c52d39716fd2d752219fffda725a2ae52086aff59aedd4f15ef9a9b all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # git bisect good c604110e662a54568073a03176402b624e740310 Bisecting: 48 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 1f874787ed9a2d78ed59cb21d0d90ac0178eceb0 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: db8a386da9b74f651e940b20980365dc690b9c48b114eb72ce8e7c78a7285e16 all runs: OK false negative chance: 0.000 # 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 4c7a0c95adc3ed8cc5e4c2187521aea3e40ba1aa 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: 4fe4afa2b039d1dd30369fa153e0afc27ecc78d7bdd3c520cec7e5345653299e all runs: OK false negative chance: 0.000 # 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 7e530d32a3655f15f1cf92e8aabed1bc3a21ee36 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: 438fc7cd5624456e70a4c3cad973574e7aa8a6ce507139fe619c6810db1b4697 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # 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 2bca25eaeba6190efbfcb38ed169bd7ee43b5aaf 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: 8bf815d0bd3eb9fd8eaa467bf4890b829e0e411e098d7dcf828168b2a102861e all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # 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 cd34758c5238ae6976b10fe15bba7031b409c969 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: e1456069bb67b0d6fc4c91e32f219812a434fafccab7e74cfb1ea27bed94923e all runs: OK false negative chance: 0.000 # 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 cd34758c5238ae6976b10fe15bba7031b409c969 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: c29142c700b18f89aa938afc30f1e7f8d20313b9f9e9d798662008495cb629f3 all runs: crashed: possible deadlock in chown_common representative crash: possible deadlock in chown_common, types: [LOCKDEP] # 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 cd34758c5238ae6976b10fe15bba7031b409c969 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: 5c66b8b1d6f9d527c0982ec2ea84399eb5d2813b8a58b154b7db70b7d0eede13 all runs: OK false negative chance: 0.000 # 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 cd34758c5238ae6976b10fe15bba7031b409c969 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: 149e8591d4433ad1d7b6032c59dd6d2a1e7721bc3412673cf24c444a845b99be all runs: OK false negative chance: 0.000 # 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: 0.00 culprit signature: 149e8591d4433ad1d7b6032c59dd6d2a1e7721bc3412673cf24c444a845b99be parent signature: c29142c700b18f89aa938afc30f1e7f8d20313b9f9e9d798662008495cb629f3 revisions tested: 26, total time: 5h4m22.754685113s (build: 1h49m50.218024968s, test: 3h4m23.553351678s) first good commit: 6f861765464f43a71462d52026fbddfc858239a5 fs: Block writes to mounted block devices recipients (to): ["axboe@kernel.dk" "brauner@kernel.org" "jack@suse.cz"] recipients (cc): []