ci2 starts bisection 2025-05-02 17:36:48.820420344 +0000 UTC m=+5520.129197730 bisecting fixing commit since 3a5928702e7120f83f703fd566082bfb59f1a57e building syzkaller on d7906effc263366a8b067258cec67072b29aa5e0 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 run #0: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #1: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #2: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #5: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #6: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #7: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #8: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #10: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #11: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #12: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #13: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #14: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #15: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #16: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #17: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #18: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #19: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [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: c75db0aac6bc574fecbf017ca437063c4df8e860c60aa4e6320af1cb269fdd4f run #0: basic kernel testing failed: lost connection to test machine run #1: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #2: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #5: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #6: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #7: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG ATOMIC_SLEEP], they are not needed kconfig minimization: base=3707 full=7299 leaves diff=2038 split chunks (needed=false): <2038> split chunk #0 of len 2038 into 5 parts testing without sub-chunk 1/5 disabling configs for [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: f84762b626e19c7425080240a7cd36f7b915264448f2e5c520b6bbec44988245 run #0: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #1: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #2: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #5: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #6: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #7: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: out-of-bounds Read in __ocfs2_find_path run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN BUG 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: dc964c8a1129658f82644ea6c7a2bc0cd026709e842fb5671df16eca04a2c377 run #0: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #1: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #2: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #5: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #6: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #7: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [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: bd41067a5a0af47fd98b2fd83139d51e2902526a784f430cb77727cac2a290d5 run #0: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #1: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #2: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #5: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #6: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #7: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG 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: bf9482d345d26a430c836215ecc55d37e03f22b96b2323bd990d1868834aea7c all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN BUG 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: 528054f136cdb2b1ec07cbbbca6966f1eef82215b03f2d05dc25080611c089be run #0: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #1: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #2: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #3: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #4: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #5: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #6: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #7: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] 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_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_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_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 ATOMIC_SLEEP], they are not needed testing current HEAD 16fdf2c7111bd6927f16c3e811f5086fecebbf00 testing commit 16fdf2c7111bd6927f16c3e811f5086fecebbf00 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: db014b21d62ac4dcfff2cf55c8c9bce87126466aa079f5a244aa987ab632ce64 all runs: OK false negative chance: 0.000 # git bisect start 16fdf2c7111bd6927f16c3e811f5086fecebbf00 3a5928702e7120f83f703fd566082bfb59f1a57e Bisecting: 1613 revisions left to test after this (roughly 11 steps) [80a0c4dc6641bb80e6b1a7acbd9f0bd2c07a0364] selftests: mlxsw: sharedbuffer: Remove duplicate test cases determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 80a0c4dc6641bb80e6b1a7acbd9f0bd2c07a0364 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b3834f1c1f13953a137b545c6dae7b65bf45373656622259634a5927ad4d53bb all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good 80a0c4dc6641bb80e6b1a7acbd9f0bd2c07a0364 Bisecting: 806 revisions left to test after this (roughly 10 steps) [f74f6560146714241c6e167b03165ee77a86e316] geneve: Fix use-after-free in geneve_find_dev(). determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit f74f6560146714241c6e167b03165ee77a86e316 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe697c21036069379e608dde9f8c0862241c3ffdd74e7358d9928abba26fd238 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good f74f6560146714241c6e167b03165ee77a86e316 Bisecting: 403 revisions left to test after this (roughly 9 steps) [ca2adfc03cd6273f0b589fe65afc6f75e0fe116e] netfilter: nft_tunnel: fix geneve_opt type confusion addition determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit ca2adfc03cd6273f0b589fe65afc6f75e0fe116e gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0eacbbea76fb677463ac533e57b661b561fe2549ae6f958c6f607c056912f7e8 all runs: OK false negative chance: 0.000 # git bisect bad ca2adfc03cd6273f0b589fe65afc6f75e0fe116e Bisecting: 201 revisions left to test after this (roughly 8 steps) [2a0177da8a813e6694e29899b7bd07293388c43f] ASoC: tas2770: Fix volume scale determine whether the revision contains the guilty commit revision 80a0c4dc6641bb80e6b1a7acbd9f0bd2c07a0364 crashed and is reachable testing commit 2a0177da8a813e6694e29899b7bd07293388c43f gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac0956ccea82674a7b85165cecefe44ba8c4e1ecaf7213beec23186917f853c4 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good 2a0177da8a813e6694e29899b7bd07293388c43f Bisecting: 100 revisions left to test after this (roughly 7 steps) [b02c23f38fe26911111db648a09f033a20968bc0] ASoC: ti: j721e-evm: Fix clock configuration for ti,j7200-cpb-audio compatible determine whether the revision contains the guilty commit revision f74f6560146714241c6e167b03165ee77a86e316 crashed and is reachable testing commit b02c23f38fe26911111db648a09f033a20968bc0 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d06513cb7e9215e08a760b888bc4773e7b300ba3fdf3b5a200d76a4556af15a3 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good b02c23f38fe26911111db648a09f033a20968bc0 Bisecting: 50 revisions left to test after this (roughly 6 steps) [473362787faf4def2f52d08a928381d761484601] coresight: catu: Fix number of pages while using 64k pages determine whether the revision contains the guilty commit revision b02c23f38fe26911111db648a09f033a20968bc0 crashed and is reachable testing commit 473362787faf4def2f52d08a928381d761484601 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 528b67cf681704bd970ffd9b26430d7a640c86066504752b710f7454182e87b9 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good 473362787faf4def2f52d08a928381d761484601 Bisecting: 25 revisions left to test after this (roughly 5 steps) [2be5bed3e08977e5e06f9d3b9a1087bb425ac378] wifi: iwlwifi: fw: allocate chained SG tables for dump determine whether the revision contains the guilty commit revision 3a5928702e7120f83f703fd566082bfb59f1a57e crashed and is reachable testing commit 2be5bed3e08977e5e06f9d3b9a1087bb425ac378 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c04c032ddddb3aa02773f4dff2b5b554b78bafbffe6cad5b6d35ec0221f9027a all runs: OK false negative chance: 0.000 # git bisect bad 2be5bed3e08977e5e06f9d3b9a1087bb425ac378 Bisecting: 12 revisions left to test after this (roughly 4 steps) [69abc7554403d0fae66bf2cb376a193e98002868] perf python: Don't keep a raw_data pointer to consumed ring buffer space determine whether the revision contains the guilty commit revision 2a0177da8a813e6694e29899b7bd07293388c43f crashed and is reachable testing commit 69abc7554403d0fae66bf2cb376a193e98002868 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c125a9a6bcb090c501db386b4a3eb893ec6914410d58206b7941acb5299c4e0 all runs: OK false negative chance: 0.000 # git bisect bad 69abc7554403d0fae66bf2cb376a193e98002868 Bisecting: 5 revisions left to test after this (roughly 3 steps) [17c99ab3db2ba74096d36c69daa6e784e98fc0b8] ocfs2: validate l_tree_depth to avoid out-of-bounds access determine whether the revision contains the guilty commit revision 473362787faf4def2f52d08a928381d761484601 crashed and is reachable testing commit 17c99ab3db2ba74096d36c69daa6e784e98fc0b8 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f64cfb5107c361fecb471f1790c7e8a4938382e6f11da3f53cb0401bfd7c9edf all runs: OK false negative chance: 0.000 # git bisect bad 17c99ab3db2ba74096d36c69daa6e784e98fc0b8 Bisecting: 2 revisions left to test after this (roughly 2 steps) [201e7d7c0e326eb96a7f4a7343dcabd22806327d] iio: adc: ad7124: Fix comparison of channel configs determine whether the revision contains the guilty commit revision b02c23f38fe26911111db648a09f033a20968bc0 crashed and is reachable testing commit 201e7d7c0e326eb96a7f4a7343dcabd22806327d gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 402f017b3ad4f77f2bd850a78eb6cdba450189c3dc0fa35deddb958f1d5e94a8 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good 201e7d7c0e326eb96a7f4a7343dcabd22806327d Bisecting: 0 revisions left to test after this (roughly 1 step) [d2421351549c3b522c5fdcaf300cc3f588bf32b7] kexec: initialize ELF lowest address to ULONG_MAX determine whether the revision contains the guilty commit revision 2a0177da8a813e6694e29899b7bd07293388c43f crashed and is reachable testing commit d2421351549c3b522c5fdcaf300cc3f588bf32b7 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 402f017b3ad4f77f2bd850a78eb6cdba450189c3dc0fa35deddb958f1d5e94a8 all runs: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] # git bisect good d2421351549c3b522c5fdcaf300cc3f588bf32b7 17c99ab3db2ba74096d36c69daa6e784e98fc0b8 is the first bad commit commit 17c99ab3db2ba74096d36c69daa6e784e98fc0b8 Author: Vasiliy Kovalev Date: Fri Feb 14 11:49:08 2025 +0300 ocfs2: validate l_tree_depth to avoid out-of-bounds access [ Upstream commit a406aff8c05115119127c962cbbbbd202e1973ef ] The l_tree_depth field is 16-bit (__le16), but the actual maximum depth is limited to OCFS2_MAX_PATH_DEPTH. Add a check to prevent out-of-bounds access if l_tree_depth has an invalid value, which may occur when reading from a corrupted mounted disk [1]. Link: https://lkml.kernel.org/r/20250214084908.736528-1-kovalev@altlinux.org Fixes: ccd979bdbce9 ("[PATCH] OCFS2: The Second Oracle Cluster Filesystem") Signed-off-by: Vasiliy Kovalev Reported-by: syzbot+66c146268dc88f4341fd@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=66c146268dc88f4341fd [1] Reviewed-by: Joseph Qi Cc: Joel Becker Cc: Junxiao Bi Cc: Changwei Ge Cc: Jun Piao Cc: Kurt Hackel Cc: Mark Fasheh Cc: Vasiliy Kovalev Signed-off-by: Andrew Morton Signed-off-by: Sasha Levin fs/ocfs2/alloc.c | 8 ++++++++ 1 file changed, 8 insertions(+) accumulated error probability: 0.00 culprit signature: f64cfb5107c361fecb471f1790c7e8a4938382e6f11da3f53cb0401bfd7c9edf parent signature: 402f017b3ad4f77f2bd850a78eb6cdba450189c3dc0fa35deddb958f1d5e94a8 revisions tested: 19, total time: 5h33m27.054831295s (build: 2h56m39.806405275s, test: 2h28m13.738480856s) first good commit: 17c99ab3db2ba74096d36c69daa6e784e98fc0b8 ocfs2: validate l_tree_depth to avoid out-of-bounds access recipients (to): ["akpm@linux-foundation.org" "joseph.qi@linux.alibaba.com" "kovalev@altlinux.org" "sashal@kernel.org"] recipients (cc): []