ci2 starts bisection 2024-04-25 01:07:54.890480987 +0000 UTC m=+33305.666125552 bisecting cause commit starting from e88c4cfcb7b888ac374916806f86c17d8ecaeb67 building syzkaller on 8bdc0f220628c9347b3581fead4c026272439799 ensuring issue is reproducible on original commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 416f238d6a29187c047ae3e6ed45e6780ccb5223970dd86483a39111b450ddf1 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d0355315b6335ea7343d201d1ba882503674881bff1b2721a52dd7741c4c58cd all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3971 full=7998 leaves diff=2011 split chunks (needed=false): <2011> split chunk #0 of len 2011 into 5 parts testing without sub-chunk 1/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f96b7ae71f1601c4824bddafbde4d494bb529049ee5e312e055bacf7df7883a all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b8348ac2dd1ac60c7ed32e59c43b7439e59874fcc7ecc555476a42e916bd8695 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4b0e17da8fa73f71ca89d4376b48c3a29463819a7ef81d24b587d4dc4984acde all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 469251c9c2e7a6b641b609363507d34c9df44759fbfcd8132df1c008d68fee42 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit e88c4cfcb7b888ac374916806f86c17d8ecaeb67 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5a8fd2146943690b243d2ecd6c3aa44112d63b68cdafd3f7f98492b339364c8b all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] the chunk can be dropped minimized to 403 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_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS 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_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG 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 PROC_CHILDREN PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI 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 SCREEN_INFO 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_HDA_SCODEC_COMPONENT 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_SOC SND_SOC_I2C_AND_SPI 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 SOUNDWIRE 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 TMPFS_QUOTA 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_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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.8 v6.7 v6.6 v6.4 v6.2 v6.0 v5.18 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 31 release tags testing release v6.8 testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fc4b591cb4567f0a6352313e3980775574571552851baacb916e13db2dc6753d all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] testing release v6.7 testing commit 0dd3ee31125508cd67f7e7172247f05b7fd1753a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 75a94243ea3ad272b91b489892f7aff2d0f663cabafaf2f50ca4cc4205e2d4fe all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6e03228cde3ae23308a72e02f652d478434140ef3836acc6c1590406a5b8a6c6 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] testing release v6.4 testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 453f2a9c8132a78302e2d1f141539882f69d579acb566cfe9407de6f8c3b5dc0 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] testing release v6.2 testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8afa9c084ea0c88ab9f68c7655ab156b8c35f4e6615e40ed94bb26f86ec7307e all runs: OK false negative chance: 0.000 # git bisect start 6995e2de6891c724bfeb2db33d7b87775f913ad1 c9c3395d5e3dcc6daee66c6908354d47bf98cb0c Bisecting: 15817 revisions left to test after this (roughly 14 steps) [ce7928f7cf988e3f20ec3cca050838b266e9ef14] Merge tag 'wireless-next-2023-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next testing commit ce7928f7cf988e3f20ec3cca050838b266e9ef14 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cb0144001ca53639c96ef298aa0919b4d535f4f165d5a2b5145c3ee319337c88 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad ce7928f7cf988e3f20ec3cca050838b266e9ef14 Bisecting: 7592 revisions left to test after this (roughly 13 steps) [a5c95ca18a98d742d0a4a04063c32556b5b66378] Merge tag 'drm-next-2023-02-23' of git://anongit.freedesktop.org/drm/drm testing commit a5c95ca18a98d742d0a4a04063c32556b5b66378 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c9aded9abe4bd6cb3828e2130bcc0065ae78b6e2de354a185468e2c0985da2c5 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad a5c95ca18a98d742d0a4a04063c32556b5b66378 Bisecting: 5053 revisions left to test after this (roughly 12 steps) [36289a03bcd3aabdf66de75cb6d1b4ee15726438] Merge tag 'v6.3-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 testing commit 36289a03bcd3aabdf66de75cb6d1b4ee15726438 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e590c1336fea883b81f393c55f415a194524cbce9160f84487dc4618ce035b95 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad 36289a03bcd3aabdf66de75cb6d1b4ee15726438 Bisecting: 1339 revisions left to test after this (roughly 11 steps) [950b6662e26e381cf8834b9b78b08261890ee697] Merge tag 'soc-dt-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 950b6662e26e381cf8834b9b78b08261890ee697 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 37b709772466dbb68e1c38909c7c9d3568f1b25b762491c0f145e78a407fdf80 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad 950b6662e26e381cf8834b9b78b08261890ee697 Bisecting: 923 revisions left to test after this (roughly 10 steps) [cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66] Merge tag 'socfpga_dts_updates_for_v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/dt testing commit cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f3eb6cc29b74eeb0772fb456497cd8146acb4163e79addd44b2ea40a28f4545 all runs: OK false negative chance: 0.000 # git bisect good cfd5bdf3e98e3d21d7f57ad0b76001aa1ab78d66 Bisecting: 522 revisions left to test after this (roughly 9 steps) [553637f73c314c742243b8dc5ef072e9dadbe581] Merge tag 'for-6.3/dio-2023-02-16' of git://git.kernel.dk/linux testing commit 553637f73c314c742243b8dc5ef072e9dadbe581 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b14835e24eb860db61a4a415ae4b4a7657c0f9fba2efafa6ff80970f754de732 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad 553637f73c314c742243b8dc5ef072e9dadbe581 Bisecting: 188 revisions left to test after this (roughly 8 steps) [274978f173276c5720a3cd8d0b6047d2c0d3a684] Merge tag 'fixes_for_v6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs testing commit 274978f173276c5720a3cd8d0b6047d2c0d3a684 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8510341c476a56efaeb35421342f5bf9a087b121e2940557c7202489dd430903 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad 274978f173276c5720a3cd8d0b6047d2c0d3a684 Bisecting: 108 revisions left to test after this (roughly 7 steps) [dc483c851ff9a3505069cb326221dc0242d44015] Merge tag 'erofs-for-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs testing commit dc483c851ff9a3505069cb326221dc0242d44015 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3311ea8d95e8242fa135cd7fd0bb1df32a7567c47fb959f3944388116a219f3d all runs: OK false negative chance: 0.000 # git bisect good dc483c851ff9a3505069cb326221dc0242d44015 Bisecting: 54 revisions left to test after this (roughly 6 steps) [b9a861fd527ab123e76effb492b4eb7e8115d4ca] udf: Protect truncate and file type conversion with invalidate_lock testing commit b9a861fd527ab123e76effb492b4eb7e8115d4ca gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dbc8bc68f26542f11f7d8fe13609c4e9a149bc17a011528492a680d25aaac18e all runs: OK false negative chance: 0.000 # git bisect good b9a861fd527ab123e76effb492b4eb7e8115d4ca Bisecting: 28 revisions left to test after this (roughly 5 steps) [6639c3ce7fd217c22b26aa9f2a3cb69dc19221f8] Merge tag 'fsverity-for-linus' of git://git.kernel.org/pub/scm/fs/fsverity/linux testing commit 6639c3ce7fd217c22b26aa9f2a3cb69dc19221f8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 18d6d44eed60d65e82e50ee5d25f4754034771c9506bacfbaa758b3cf5c9e8dd all runs: OK false negative chance: 0.000 # git bisect good 6639c3ce7fd217c22b26aa9f2a3cb69dc19221f8 Bisecting: 14 revisions left to test after this (roughly 4 steps) [174cb748d88819d8a6420aa5040f9f065fcbdbab] udf: Move udf_adinicb_readpage() to inode.c testing commit 174cb748d88819d8a6420aa5040f9f065fcbdbab gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 12a04f6bc02cf0e357636a9f0f4f51d1f30cdf4739708330b7e5f3260ab633f2 all runs: OK false negative chance: 0.000 # git bisect good 174cb748d88819d8a6420aa5040f9f065fcbdbab Bisecting: 7 revisions left to test after this (roughly 3 steps) [1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d] udf: Check consistency of Space Bitmap Descriptor testing commit 1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a40938d9af1271159bd007eae901e29d0c5dd32aab46160ea47b20c491422472 all runs: crashed: kernel BUG in submit_bh_wbc representative crash: kernel BUG in submit_bh_wbc, types: [BUG] # git bisect bad 1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d Bisecting: 3 revisions left to test after this (roughly 2 steps) [1eeceaec794ef937d161379d89504990c82133ad] udf: Convert udf_expand_file_adinicb() to avoid kmap_atomic() testing commit 1eeceaec794ef937d161379d89504990c82133ad gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5e4ad1eb958c2efc7af480a51beefa7cc62b5c4f6c21b61214ba1b0db30cae32 all runs: OK false negative chance: 0.000 # git bisect good 1eeceaec794ef937d161379d89504990c82133ad Bisecting: 1 revision left to test after this (roughly 1 step) [c2efd13a2ed4f29bf9ef14ac2fbb7474084655f8] udf: Limit file size to 4TB testing commit c2efd13a2ed4f29bf9ef14ac2fbb7474084655f8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 17de945f7dd20f290a3da6b7a6d20d2fbaaebd964b32e2c632e147d345d5cf5a all runs: OK false negative chance: 0.000 # git bisect good c2efd13a2ed4f29bf9ef14ac2fbb7474084655f8 Bisecting: 0 revisions left to test after this (roughly 0 steps) [085cf7b7e2ef7bdd88c8f2f56a17d756bd18f1a4] udf: Fix file counting in LVID testing commit 085cf7b7e2ef7bdd88c8f2f56a17d756bd18f1a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8edd3088b41ad7723c51d53b4631e14e2730f779e30f9848a33d1636acbe8e06 all runs: OK false negative chance: 0.000 # git bisect good 085cf7b7e2ef7bdd88c8f2f56a17d756bd18f1a4 1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d is the first bad commit commit 1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d Author: Vladislav Efanov Date: Thu Feb 2 17:04:56 2023 +0300 udf: Check consistency of Space Bitmap Descriptor Bits, which are related to Bitmap Descriptor logical blocks, are not reset when buffer headers are allocated for them. As the result, these logical blocks can be treated as free and be used for other blocks.This can cause usage of one buffer header for several types of data. UDF issues WARNING in this situation: WARNING: CPU: 0 PID: 2703 at fs/udf/inode.c:2014 __udf_add_aext+0x685/0x7d0 fs/udf/inode.c:2014 RIP: 0010:__udf_add_aext+0x685/0x7d0 fs/udf/inode.c:2014 Call Trace: udf_setup_indirect_aext+0x573/0x880 fs/udf/inode.c:1980 udf_add_aext+0x208/0x2e0 fs/udf/inode.c:2067 udf_insert_aext fs/udf/inode.c:2233 [inline] udf_update_extents fs/udf/inode.c:1181 [inline] inode_getblk+0x1981/0x3b70 fs/udf/inode.c:885 Found by Linux Verification Center (linuxtesting.org) with syzkaller. [JK: Somewhat cleaned up the boundary checks] Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Vladislav Efanov Signed-off-by: Jan Kara fs/udf/balloc.c | 31 +++++++++++++++++++++++++++---- 1 file changed, 27 insertions(+), 4 deletions(-) accumulated error probability: 0.00 culprit signature: a40938d9af1271159bd007eae901e29d0c5dd32aab46160ea47b20c491422472 parent signature: 8edd3088b41ad7723c51d53b4631e14e2730f779e30f9848a33d1636acbe8e06 revisions tested: 27, total time: 7h42m52.280683422s (build: 4h8m59.344268448s, test: 3h22m15.476216512s) first bad commit: 1e0d4adf17e7ef03281d7b16555e7c1508c8ed2d udf: Check consistency of Space Bitmap Descriptor recipients (to): ["jack@suse.cz" "vefanov@ispras.ru"] recipients (cc): [] crash: kernel BUG in submit_bh_wbc UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 1024 failed UDF-fs: warning (device loop0): udf_load_vrs: No VRS found UDF-fs: Scanning with blocksize 2048 failed UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ kernel BUG at fs/buffer.c:2666! invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 1 PID: 2616 Comm: syz-executor.0 Not tainted 6.2.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:submit_bh_wbc+0x123/0x140 fs/buffer.c:2666 Code: 00 4c 89 ff e8 ce 7d 47 00 48 8b 73 10 48 8b 53 20 4c 89 f7 e8 5e 9a fe ff 4c 89 ff 5b 41 5e 41 5f e9 c1 2c 45 00 90 0f 0b 90 <0f> 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc900020a3c20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810c758738 RCX: 0000000000000010 RDX: 0000000000000000 RSI: ffff88810c758738 RDI: 0000000000000000 RBP: ffffc900020a3cf0 R08: 0000000000000000 R09: ffff888100fe1b40 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000010 R13: ffff88810c758738 R14: 0000000000001000 R15: 0000000000000000 FS: 00007fbba8fa66c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbba83a8000 CR3: 0000000102b8a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2707 [inline] __bh_read fs/buffer.c:2972 [inline] bh_read_nowait include/linux/buffer_head.h:427 [inline] __block_write_begin_int+0x216/0x6f0 fs/buffer.c:2021 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x49/0xb0 fs/buffer.c:2102 udf_write_begin+0x95/0x150 fs/udf/inode.c:255 generic_perform_write+0xa2/0x230 mm/filemap.c:3772 __generic_file_write_iter+0x87/0x140 mm/filemap.c:3900 udf_file_write_iter+0xd3/0x190 fs/udf/file.c:115 call_write_iter include/linux/fs.h:2189 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x32e/0x400 fs/read_write.c:584 ksys_write+0x70/0xe0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x46/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x73/0xdd RIP: 0033:0x7fbba827dea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbba8fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbba83abf80 RCX: 00007fbba827dea9 RDX: 0000000000000010 RSI: 0000000020000600 RDI: 0000000000000004 RBP: 00007fbba82ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fbba83abf80 R15: 00007fff6632b818 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x123/0x140 fs/buffer.c:2666 Code: 00 4c 89 ff e8 ce 7d 47 00 48 8b 73 10 48 8b 53 20 4c 89 f7 e8 5e 9a fe ff 4c 89 ff 5b 41 5e 41 5f e9 c1 2c 45 00 90 0f 0b 90 <0f> 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc900020a3c20 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88810c758738 RCX: 0000000000000010 RDX: 0000000000000000 RSI: ffff88810c758738 RDI: 0000000000000000 RBP: ffffc900020a3cf0 R08: 0000000000000000 R09: ffff888100fe1b40 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000010 R13: ffff88810c758738 R14: 0000000000001000 R15: 0000000000000000 FS: 00007fbba8fa66c0(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc1b94cec8 CR3: 0000000102b8a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400