ci2 starts bisection 2024-11-09 23:26:21.651183345 +0000 UTC m=+108364.882424164 bisecting fixing commit since aa4cd140bba57b7064b4c7a7141bebd336d32087 building syzkaller on d7906effc263366a8b067258cec67072b29aa5e0 ensuring issue is reproducible on original commit aa4cd140bba57b7064b4c7a7141bebd336d32087 testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ab4a2e4fb9d72b3aa399d36ce4e513e80d11d1bfae94816134ad0f678267e3ab 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 run #10: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #11: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #12: crashed: KASAN: use-after-free Read in __ocfs2_find_path 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: WARNING: bad unlock balance in ocfs2_read_blocks run #17: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #18: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #19: crashed: KASAN: use-after-free Read in __ocfs2_find_path representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4f9bdbdced91f569f411862fd9bf2c35bbea9699f4a816dad19886ff41da2ded 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: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: out-of-bounds Read in __ocfs2_find_path run #9: basic kernel testing failed: no output from test machine representative crash: KASAN: use-after-free Read in __ocfs2_find_path, types: [KASAN] the bug reproduces without the instrumentation disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3824 full=7495 leaves diff=2067 split chunks (needed=false): <2067> split chunk #0 of len 2067 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG LOCKDEP], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 64c4b9618166fdb8ffc8e18ead249745dc6eb6ee17f32d82a7dccba360d9fe97 run #0: crashed: WARNING: bad unlock balance in ocfs2_read_blocks 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: WARNING: bad unlock balance in ocfs2_read_blocks 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: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP KASAN] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3bb6c404a04a5d9bb1bd6234b5ca8b6c3476eec8b7adf6a5b5e537e55ce761f3 run #0: crashed: WARNING: bad unlock balance in ocfs2_read_blocks 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: WARNING: bad unlock balance in ocfs2_read_blocks 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: KASAN: use-after-free Read in __ocfs2_find_path run #8: crashed: KASAN: use-after-free Read in __ocfs2_find_path run #9: crashed: WARNING: bad unlock balance in ocfs2_read_blocks representative crash: WARNING: bad unlock balance in ocfs2_read_blocks, types: [LOCKDEP KASAN] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cfc66a12383526e8dbf9c67211f94e01bf37d7ae34651eeb14e6b8a6f319a1d3 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: WARNING: bad unlock balance in ocfs2_read_blocks 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: 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 [BUG LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8f60ce7673fc832deacb6fcf24c4c847a1461c41d150bc10db34fe7f688cbbd8 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [UBSAN BUG LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit aa4cd140bba57b7064b4c7a7141bebd336d32087 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 87e9ccdda9758a6a84eb0478eb40632fef16414e6369c7dcd0828be5f989599a run #0: crashed: WARNING: bad unlock balance in ocfs2_read_blocks run #1: crashed: WARNING: bad unlock balance in ocfs2_read_blocks 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: 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 LOCKDEP] the chunk can be dropped minimized to 414 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK 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 LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 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_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 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_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 PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PRISM2_USB PROC_CHILDREN PSI PSTORE PSTORE_842_COMPRESS PSTORE_COMPRESS PSTORE_DEFLATE_COMPRESS PSTORE_DEFLATE_COMPRESS_DEFAULT PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN R8712U RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES 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 SENSORS_NZXT_SMART2 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_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_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 STAGING_MEDIA STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SW_SYNC SYSFB SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TASKS_TRACE_RCU TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_INTEL_PMC TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE TYPEC_WUSB3801 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 UCSI_STM32G0 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_MSM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM 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 WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing current HEAD d7039b844a1c0817aef0c66c2f87cd6b29fbd29e testing commit d7039b844a1c0817aef0c66c2f87cd6b29fbd29e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca1127a889eafb5b66e1a4479b1073cd10250488e9e92b6350002500d534b38b 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] crash still not fixed/happens on the oldest tested release revisions tested: 8, total time: 1h37m16.746773336s (build: 40m22.802748703s, test: 53m12.009881966s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.116 crash: KASAN: use-after-free Read in __ocfs2_find_path loop0: detected capacity change from 0 to 32768 ================================================================== BUG: KASAN: use-after-free in __ocfs2_find_path+0x172/0x760 fs/ocfs2/alloc.c:1817 Read of size 4 at addr ffff888067e77000 by task syz.0.16/2944 CPU: 1 PID: 2944 Comm: syz.0.16 Not tainted 6.1.116-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xf4/0x251 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:284 [inline] print_report+0x15f/0x4f0 mm/kasan/report.c:395 kasan_report+0x136/0x160 mm/kasan/report.c:495 __ocfs2_find_path+0x172/0x760 fs/ocfs2/alloc.c:1817 ocfs2_find_leaf+0xc0/0x1e0 fs/ocfs2/alloc.c:1931 ocfs2_get_clusters_nocache+0x194/0xa20 fs/ocfs2/extent_map.c:418 ocfs2_get_clusters+0x754/0xde0 fs/ocfs2/extent_map.c:621 ocfs2_extent_map_get_blocks+0x182/0x640 fs/ocfs2/extent_map.c:668 ocfs2_read_virt_blocks+0x257/0x780 fs/ocfs2/extent_map.c:977 ocfs2_read_dir_block fs/ocfs2/dir.c:508 [inline] ocfs2_find_entry_el fs/ocfs2/dir.c:715 [inline] ocfs2_find_entry+0x3b1/0x1e80 fs/ocfs2/dir.c:1080 ocfs2_find_files_on_disk+0x8c/0x200 fs/ocfs2/dir.c:1982 ocfs2_lookup_ino_from_name+0xa8/0x190 fs/ocfs2/dir.c:2004 _ocfs2_get_system_file_inode fs/ocfs2/sysfile.c:136 [inline] ocfs2_get_system_file_inode+0x3da/0x660 fs/ocfs2/sysfile.c:112 ocfs2_init_global_system_inodes+0x275/0x560 fs/ocfs2/super.c:457 ocfs2_initialize_super fs/ocfs2/super.c:2250 [inline] ocfs2_fill_super+0x3773/0x4a30 fs/ocfs2/super.c:994 mount_bdev+0x26b/0x340 fs/super.c:1443 legacy_get_tree+0xe5/0x170 fs/fs_context.c:632 vfs_get_tree+0x7a/0x170 fs/super.c:1573 do_new_mount+0x21a/0x910 fs/namespace.c:3056 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount+0x23e/0x2d0 fs/namespace.c:3584 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7ff5e7f7f79a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff5e8e0ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff5e8e0aef0 RCX: 00007ff5e7f7f79a RDX: 0000000020004440 RSI: 0000000020000780 RDI: 00007ff5e8e0aeb0 RBP: 0000000020004440 R08: 00007ff5e8e0aef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020000780 R13: 00007ff5e8e0aeb0 R14: 000000000000444a R15: 00000000200005c0 The buggy address belongs to the physical page: page:ffffea00019f9dc0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x67e77 flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000000 ffffea0001993588 ffffea00019ad8c8 0000000000000000 raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as freed page last allocated via order 0, migratetype Movable, gfp_mask 0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), pid 2941, tgid 2940 (syz.0.15), ts 78739841069, free_ts 78954230352 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x286/0x2b0 mm/page_alloc.c:2517 prep_new_page mm/page_alloc.c:2524 [inline] get_page_from_freelist+0x340b/0x35b0 mm/page_alloc.c:4313 __alloc_pages+0x251/0x640 mm/page_alloc.c:5589 __folio_alloc+0xf/0x30 mm/page_alloc.c:5621 vma_alloc_folio+0x484/0x9e0 mm/mempolicy.c:2243 shmem_alloc_folio mm/shmem.c:1591 [inline] shmem_alloc_and_acct_folio+0x44a/0xaf0 mm/shmem.c:1615 shmem_get_folio_gfp+0x1197/0x25e0 mm/shmem.c:1943 shmem_get_folio mm/shmem.c:2074 [inline] shmem_write_begin+0x159/0x400 mm/shmem.c:2561 generic_perform_write+0x2f1/0x530 mm/filemap.c:3845 __generic_file_write_iter+0x13e/0x2f0 mm/filemap.c:3973 generic_file_write_iter+0x99/0x230 mm/filemap.c:4005 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x99b/0xcf0 fs/read_write.c:584 ksys_write+0x15f/0x240 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0x80 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1444 [inline] free_pcp_prepare mm/page_alloc.c:1494 [inline] free_unref_page_prepare+0xd6c/0xf00 mm/page_alloc.c:3369 free_unref_page_list+0x54b/0x7e0 mm/page_alloc.c:3510 release_pages+0x1e0a/0x1fe0 mm/swap.c:1055 __pagevec_release+0x62/0xd0 mm/swap.c:1075 pagevec_release include/linux/pagevec.h:71 [inline] folio_batch_release include/linux/pagevec.h:135 [inline] shmem_undo_range+0x66b/0x1b00 mm/shmem.c:946 shmem_truncate_range mm/shmem.c:1062 [inline] shmem_evict_inode+0x354/0x860 mm/shmem.c:1173 evict+0x486/0x8c0 fs/inode.c:701 __dentry_kill+0x380/0x5d0 fs/dcache.c:611 dentry_kill+0xbb/0x1e0 dput+0x154/0x2d0 fs/dcache.c:918 __fput+0x369/0x720 fs/file_table.c:328 task_work_run+0x206/0x280 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xa9/0xc0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x64/0xb0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x27/0x1b0 kernel/entry/common.c:303 do_syscall_64+0x47/0x80 arch/x86/entry/common.c:87 Memory state around the buggy address: ffff888067e76f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff888067e76f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff888067e77000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ^ ffff888067e77080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ffff888067e77100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ==================================================================