ci2 starts bisection 2024-11-09 12:13:24.509794138 +0000 UTC m=+67987.741034957 bisecting fixing commit since 3a5928702e7120f83f703fd566082bfb59f1a57e building syzkaller on c673ca06b23cea94091ab496ef62c3513e434585 ensuring issue is reproducible on original commit 3a5928702e7120f83f703fd566082bfb59f1a57e testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 79721a3a87bc683fe023875b9c43376ce3d53c9a6f3cf3e87a537247c5f6375e all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6a5c2e9c9fc6d036f979c5106b06adc4f53b8d7c96d217ab52cef52a5887a9b4 all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=3706 full=7299 leaves diff=2036 split chunks (needed=false): <2036> split chunk #0 of len 2036 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 498ba7e2d82b91855a82180924ea22f16b98a2c547b3b43f50af44aa61b55766 all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7cb30261237ef4c1e31e2b78332e913c88b241663ef57733db5b3e57ca19ecc4 all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, 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 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f5caf8c0160673ba577ce10af7ad382bd84035b49444114c30a576782716a4c all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, 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 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9db83feaa19971b578531ee7b8a7c49de18c5625b283b5d78e66753f1fd6380e all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 3a5928702e7120f83f703fd566082bfb59f1a57e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b7a4901a676ad00fce91bbd456bfe5b178b72884107c104725ad2039e44d4e1b all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] the chunk can be dropped minimized to 408 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ASYMMETRIC_TPM_KEY_SUBTYPE ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LIBCRC32C LIBNVDIMM MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 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_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 PLAYSTATION_FF PMIC_OPREGION 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_DYNAMIC PREEMPT_NOTIFIERS PREEMPT_RCU 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 RC_XBOX_DVD 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_FIXED_VOLTAGE 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 SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 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_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_LED SND_CTL_VALIDATION 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_CGROUP_DATA 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 SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STAGING STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC 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_RCU TASKS_RCU_GENERIC 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 TPM_KEY_PARSER TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TRUSTED_KEYS TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE 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 UCSI_CCG 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_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT 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_DWC2 USB_GADGET USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VIDEO_V4L2 VXLAN WIRELESS WLAN ZONE_DEVICE] disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing current HEAD 3c17fc4839052076b9f27f22551d0d0bd8557822 testing commit 3c17fc4839052076b9f27f22551d0d0bd8557822 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 74ca72ecf2e12e975115caf82f896b0768558f04a564cafe2f3d4754a8bf0301 all runs: OK false negative chance: 0.000 # git bisect start 3c17fc4839052076b9f27f22551d0d0bd8557822 3a5928702e7120f83f703fd566082bfb59f1a57e Bisecting: 461 revisions left to test after this (roughly 9 steps) [6aeb160ec5bde8313368ca59216623e9befd75df] drm/printer: Allow NULL data in devcoredump printer determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 6aeb160ec5bde8313368ca59216623e9befd75df gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f8c04650240d47cdd73f23729e26fdf9e856f8d4cf0ff8dbfcc9fdb892980a39 run #0: crashed: lost connection to test machine run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: lost connection to test machine, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 # git bisect skip 6aeb160ec5bde8313368ca59216623e9befd75df Bisecting: 461 revisions left to test after this (roughly 9 steps) [bb55d5e7f0e932c021e8f8db3dd1c20d57b63333] ARM: dts: microchip: sam9x60: Fix rtc/rtt clocks determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit bb55d5e7f0e932c021e8f8db3dd1c20d57b63333 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfd156f95647a2d2452ab7f7c9e4d7146603ba002f17b0addc6ac8321ca64f93 all runs: OK false negative chance: 0.000 # git bisect bad bb55d5e7f0e932c021e8f8db3dd1c20d57b63333 Bisecting: 70 revisions left to test after this (roughly 6 steps) [f2f5918c73473b7a105b527633ae5b31ed1c9d6f] ASoC: intel: fix module autoloading determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit f2f5918c73473b7a105b527633ae5b31ed1c9d6f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9884ef3366034797dd6259b6cd304ec9337ae8dd405f53948c505da1c4a3b043 all runs: OK false negative chance: 0.000 # git bisect bad f2f5918c73473b7a105b527633ae5b31ed1c9d6f Bisecting: 35 revisions left to test after this (roughly 5 steps) [5b2c8b34f6d76bfbd1dd4936eb8a0fbfb9af3959] mm: avoid leaving partial pfn mappings around in error case determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 5b2c8b34f6d76bfbd1dd4936eb8a0fbfb9af3959 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1825580fd8053394a1dd2688accdaf4c489c4fd1235d620e5f88abaebf00246f all runs: OK false negative chance: 0.000 # git bisect bad 5b2c8b34f6d76bfbd1dd4936eb8a0fbfb9af3959 Bisecting: 16 revisions left to test after this (roughly 4 steps) [00ef1de6d64654e069849e79a9878318ad37a093] powerpc/mm: Fix boot warning with hugepages and CONFIG_DEBUG_VIRTUAL determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 00ef1de6d64654e069849e79a9878318ad37a093 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c23cb297ceda97fbb682ea3fc83faeafc282977e03d284e1a6541048d51fb42 all runs: OK false negative chance: 0.000 # git bisect bad 00ef1de6d64654e069849e79a9878318ad37a093 Bisecting: 8 revisions left to test after this (roughly 3 steps) [077182694e87de2b7f707e261553f115727d12ac] ocfs2: fix uninit-value in ocfs2_get_block() determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 077182694e87de2b7f707e261553f115727d12ac gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: de97d51d196f86097f76658d6217594cd91a40fa1c6a1d887a60797cfe679099 all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] # git bisect good 077182694e87de2b7f707e261553f115727d12ac Bisecting: 3 revisions left to test after this (roughly 2 steps) [df944dc46d06af65a75191183d52be017e6b9dbe] ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate determine whether the revision contains the guilty commit revision 077182694e87de2b7f707e261553f115727d12ac crashed and is reachable testing commit df944dc46d06af65a75191183d52be017e6b9dbe gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7c23cb297ceda97fbb682ea3fc83faeafc282977e03d284e1a6541048d51fb42 all runs: OK false negative chance: 0.000 # git bisect bad df944dc46d06af65a75191183d52be017e6b9dbe Bisecting: 2 revisions left to test after this (roughly 1 step) [4173d1277c00baeedaaca76783e98b8fd0e3c08d] ocfs2: cancel dqi_sync_work before freeing oinfo determine whether the revision contains the guilty commit revision 077182694e87de2b7f707e261553f115727d12ac crashed and is reachable testing commit 4173d1277c00baeedaaca76783e98b8fd0e3c08d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c67dfd5a200071e2d0ca9a3b9647040b6248617af332d915a7fddee89e47e1ca all runs: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP] # git bisect good 4173d1277c00baeedaaca76783e98b8fd0e3c08d Bisecting: 1 revision left to test after this (roughly 1 step) [f55a33fe0fb5274ef185fd61947cf142138958af] ocfs2: remove unreasonable unlock in ocfs2_read_blocks determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit f55a33fe0fb5274ef185fd61947cf142138958af gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2cbc01cea07de0caa69d5266dc58c3a078e0b4ef72681d292dda1df336c0782a all runs: OK false negative chance: 0.000 # git bisect bad f55a33fe0fb5274ef185fd61947cf142138958af f55a33fe0fb5274ef185fd61947cf142138958af is the first bad commit commit f55a33fe0fb5274ef185fd61947cf142138958af Author: Lizhi Xu Date: Mon Sep 2 10:36:35 2024 +0800 ocfs2: remove unreasonable unlock in ocfs2_read_blocks commit c03a82b4a0c935774afa01fd6d128b444fd930a1 upstream. Patch series "Misc fixes for ocfs2_read_blocks", v5. This series contains 2 fixes for ocfs2_read_blocks(). The first patch fix the issue reported by syzbot, which detects bad unlock balance in ocfs2_read_blocks(). The second patch fixes an issue reported by Heming Zhao when reviewing above fix. This patch (of 2): There was a lock release before exiting, so remove the unreasonable unlock. Link: https://lkml.kernel.org/r/20240902023636.1843422-1-joseph.qi@linux.alibaba.com Link: https://lkml.kernel.org/r/20240902023636.1843422-2-joseph.qi@linux.alibaba.com Fixes: cf76c78595ca ("ocfs2: don't put and assigning null to bh allocated outside") Signed-off-by: Lizhi Xu Signed-off-by: Joseph Qi Reviewed-by: Heming Zhao Reviewed-by: Joseph Qi Reported-by: syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=ab134185af9ef88dfed5 Tested-by: syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com Cc: Mark Fasheh Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Gang He Cc: Jun Piao Cc: [4.20+] Signed-off-by: Andrew Morton Signed-off-by: Greg Kroah-Hartman fs/ocfs2/buffer_head_io.c | 1 - 1 file changed, 1 deletion(-) accumulated error probability: 0.00 culprit signature: 2cbc01cea07de0caa69d5266dc58c3a078e0b4ef72681d292dda1df336c0782a parent signature: c67dfd5a200071e2d0ca9a3b9647040b6248617af332d915a7fddee89e47e1ca revisions tested: 17, total time: 4h15m31.750629717s (build: 1h57m17.922148437s, test: 2h14m21.560633789s) first good commit: f55a33fe0fb5274ef185fd61947cf142138958af ocfs2: remove unreasonable unlock in ocfs2_read_blocks recipients (to): ["akpm@linux-foundation.org" "gregkh@linuxfoundation.org" "heming.zhao@suse.com" "joseph.qi@linux.alibaba.com" "lizhi.xu@windriver.com" "syzbot+ab134185af9ef88dfed5@syzkaller.appspotmail.com"] recipients (cc): []