ci starts bisection 2025-10-18 15:49:00.327351906 +0000 UTC m=+59895.777139642 bisecting cause commit starting from 93f3bab4310d4ff73027cc4f87174284d4977acf building syzkaller on 1c8c8cd830af4deee250ad11f1613d1d9a62ca0b ensuring issue is reproducible on original commit 93f3bab4310d4ff73027cc4f87174284d4977acf testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b56d7e01575ca402721c03a1ffc26a400e3ac225f54bfcb4421b097474727498 run #0: crashed: KASAN: slab-use-after-free Read in gfs2_withdraw_func run #1: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #2: crashed: KASAN: slab-use-after-free Read in gfs2_withdraw_func run #3: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #4: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #5: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #6: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #7: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #8: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #9: crashed: KASAN: slab-use-after-free Write in do_withdraw run #10: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #11: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #12: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #13: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #14: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #15: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #16: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #17: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #18: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #19: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] check whether we can drop unnecessary instrumentation disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8cd316de4cfe729c91d1afebfdabc936e10c3dd273bbf13e9c65508ab3e5846b all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] the bug reproduces without the instrumentation disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed kconfig minimization: base=4115 full=8563 leaves diff=2154 split chunks (needed=false): <2154> split chunk #0 of len 2154 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 18f95a2761470852aa8db741c982ff29688bccc11ec1a581ee9b216290a93dff run #0: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #1: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #2: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #3: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #4: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #5: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #6: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #7: crashed: BUG: unable to handle kernel paging request in gfs2_thaw_freeze_initiator run #8: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #9: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2e8022b9fd9bff725677ee60d4a40ccd33fc2478f6b95cc27f0c74b9aeb9c901 all runs: OK false negative chance: 0.000 testing without sub-chunk 3/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e0dece4b1c61f246404f2a1aac4c281b94a680b71798b9d3ff1268bc07bc2770 run #0: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #1: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #2: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #3: crashed: BUG: unable to handle kernel paging request in gfs2_thaw_freeze_initiator run #4: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #5: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #6: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #7: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #8: crashed: WARNING: ODEBUG bug in gfs2_fill_super run #9: crashed: BUG: unable to handle kernel paging request in gfs2_thaw_freeze_initiator representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 077f75093f325c9b74d2dbff4901cb9ce98f3f66b06613c8989fd4f49ebba022 all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed testing commit 93f3bab4310d4ff73027cc4f87174284d4977acf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: efc991ac8fae57f46ab32ee06e35aaf05a33f9cda1a0d852168ae9a873da3e50 all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] the chunk can be dropped minimized to 431 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI BLK_DEV_ZONED CHARGER_BQ24190 CMA COMMON_CLK DAX DLM DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_SYSFB_HELPER DRM_TTM DRM_TTM_HELPER DRM_UDL DRM_VGEM DRM_VIRTIO_GPU DRM_VIRTIO_GPU_KMS DRM_VKMS DRM_VMWGFX DUMMY DVB_AF9013 DVB_AF9033 DVB_AS102 DVB_AS102_FE DVB_B2C2_FLEXCOP DVB_B2C2_FLEXCOP_USB DVB_CORE DVB_DIB3000MB DVB_DIB3000MC DVB_EC100 DVB_GP8PSK_FE DVB_RTL2830 DVB_RTL2832 DVB_RTL2832_SDR DVB_TEST_DRIVERS DVB_TTUSB_BUDGET DVB_TTUSB_DEC DVB_USB DVB_USB_A800 DVB_USB_AF9005 DVB_USB_AF9005_REMOTE DVB_USB_AF9015 DVB_USB_AF9035 DVB_USB_ANYSEE DVB_USB_AU6610 DVB_USB_AZ6007 DVB_USB_AZ6027 DVB_USB_CE6230 DVB_USB_CINERGY_T2 DVB_USB_CXUSB DVB_USB_CXUSB_ANALOG DVB_USB_DIB0700 DVB_USB_DIB3000MC DVB_USB_DIBUSB_MB DVB_USB_DIBUSB_MC DVB_USB_DIGITV DVB_USB_DTT200U DVB_USB_DTV5100 DVB_USB_DVBSKY DVB_USB_DW2102 DVB_USB_EC168 DVB_USB_GL861 DVB_USB_GP8PSK DVB_USB_LME2510 DVB_USB_M920X DVB_USB_MXL111SF DVB_USB_NOVA_T_USB2 DVB_USB_OPERA1 DVB_USB_PCTV452E DVB_USB_RTL28XXU DVB_USB_TECHNISAT_USB2 DVB_USB_TTUSB2 DVB_USB_UMT_010 DVB_USB_V2 DVB_USB_VP702X DVB_USB_VP7045 DVB_USB_ZD1301 DVB_VIDTV DVB_ZL10353 ECRYPT_FS ECRYPT_FS_MESSAGING EDAC EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_POSIX_ACL EROFS_FS_SECURITY EROFS_FS_XATTR EROFS_FS_ZIP EVM EVM_ADD_XATTRS EVM_ATTR_FSUUID EXFAT_FS EXPORTFS_BLOCK_OPS EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 EXTENDED_MODVERSIONS F2FS_CHECK_FS F2FS_FAULT_INJECTION F2FS_FS F2FS_FS_COMPRESSION F2FS_FS_LZ4 F2FS_FS_LZ4HC F2FS_FS_LZO F2FS_FS_LZORLE F2FS_FS_POSIX_ACL F2FS_FS_SECURITY F2FS_FS_XATTR F2FS_FS_ZSTD F2FS_STAT_FS FANOTIFY FANOTIFY_ACCESS_PERMISSIONS FB FB_CFB_COPYAREA FB_CFB_FILLRECT FB_CFB_IMAGEBLIT FB_CORE FB_DEFERRED_IO FB_DEVICE FB_IOMEM_FOPS FB_IOMEM_HELPERS FB_NOTIFY FB_SYSMEM_FOPS FB_SYSMEM_HELPERS FB_SYSMEM_HELPERS_DEFERRED FB_SYS_COPYAREA FB_SYS_FILLRECT FB_SYS_IMAGEBLIT FB_TILEBLITTING FB_VESA FB_VGA16 FB_VIRTUAL FDDI FIREWIRE FIREWIRE_NET FIREWIRE_OHCI FIREWIRE_SBP2 FONT_8x16 FONT_8x8 FONT_SUPPORT FRAMEBUFFER_CONSOLE FRAMEBUFFER_CONSOLE_DETECT_PRIMARY FRAMEBUFFER_CONSOLE_ROTATION FS_DAX FS_DAX_PMD FS_ENCRYPTION FS_ENCRYPTION_ALGS FS_STACK FS_VERITY FS_VERITY_BUILTIN_SIGNATURES FTL FUSE_DAX FUSE_FS FW_LOADER_COMPRESS FW_LOADER_PAGED_BUF FW_LOADER_SYSFS FW_LOADER_USER_HELPER FW_LOADER_USER_HELPER_FALLBACK GACT_PROB GARP GENERIC_PHY GET_FREE_REGION GFS2_FS GFS2_FS_LOCKING_DLM GNSS GNSS_USB GOOGLE_COREBOOT_TABLE GOOGLE_FIRMWARE GOOGLE_MEMCONSOLE GOOGLE_MEMCONSOLE_COREBOOT GOOGLE_VPD GPIOLIB GPIOLIB_IRQCHIP GPIO_ACPI GPIO_DLN2 GPIO_LJCA GPIO_VIPERBOARD GREENASIA_FF GREYBUS GREYBUS_BRIDGED_PHY GREYBUS_ES2 GREYBUS_HID GREYBUS_USB GROUP_SCHED_BANDWIDTH GTP GUEST_PERF_EVENTS HAS_LTO_CLANG HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE HAVE_KLP_BUILD HAVE_KVM_CPU_RELAX_INTERCEPT HAVE_KVM_DIRTY_RING HAVE_KVM_DIRTY_RING_ACQ_REL HAVE_KVM_DIRTY_RING_TSO HAVE_KVM_IRQCHIP HAVE_KVM_IRQ_BYPASS HAVE_KVM_IRQ_ROUTING HAVE_KVM_MSI HAVE_KVM_NO_POLL HAVE_KVM_PFNCACHE HAVE_KVM_PM_NOTIFIER HAVE_KVM_READONLY_MEM HAVE_SCHED_AVG_IRQ HDLC HDLC_CISCO HDLC_FR HDLC_PPP HDLC_RAW HDLC_RAW_ETH HDLC_X25 HDMI HFSPLUS_FS HFS_FS HID_ACCUTOUCH HID_ACRUX HID_ACRUX_FF HID_ALPS HID_APPLEIR HID_ASUS HID_AUREAL HID_BATTERY_STRENGTH HID_BETOP_FF HID_BIGBEN_FF HID_CMEDIA HID_CORSAIR HID_COUGAR HID_CP2112 HID_CREATIVE_SB0540 HID_DRAGONRISE HID_ELAN HID_ELECOM HID_ELO HID_EMS_FF HID_EVISION HID_FT260 HID_GEMBIRD HID_GFRM HID_GLORIOUS HID_GOOGLE_STADIA_FF HID_GREENASIA HID_GT683R HID_HOLTEK HID_ICADE HID_JABRA HID_KEYTOUCH HID_KYE HID_LCPOWER HID_LED HID_LENOVO HID_LETSKETCH HID_LOGITECH HID_LOGITECH_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB HID_PICOLCD_LCD HID_PICOLCD_LEDS HID_PLANTRONICS HID_PRIMAX HID_PRODIKEYS HID_PXRC HID_RAZER HID_RETRODE HID_RMI HID_ROCCAT HID_SAITEK HID_SEMITEK HID_SENSOR_ACCEL_3D HID_SENSOR_ALS HID_SENSOR_CUSTOM_INTEL_HINGE HID_SENSOR_CUSTOM_SENSOR HID_SENSOR_DEVICE_ROTATION HID_SENSOR_GYRO_3D HID_SENSOR_HUB HID_SENSOR_HUMIDITY HID_SENSOR_IIO_COMMON HID_SENSOR_IIO_TRIGGER HID_SENSOR_INCLINOMETER_3D HID_SENSOR_MAGNETOMETER_3D HID_SENSOR_PRESS HID_SENSOR_PROX HID_SENSOR_TEMP HID_SIGMAMICRO HID_SPEEDLINK HID_STEELSERIES HID_THINGM HID_TIVO HID_TOPRE HID_TWINHAN HID_U2FZERO HID_UCLOGIC HID_UDRAW_PS3 HID_VIEWSONIC HID_VIVALDI HID_VIVALDI_COMMON HID_VRC2 HID_WACOM HID_WALTOP HID_WIIMOTE HID_XIAOMI HID_XINMO HID_ZYDACRON HMM_MIRROR HOLTEK_FF HOTPLUG_PCI_PCIE HPET_MMAP HPET_MMAP_DEFAULT HPFS_FS I2C_ALGOBIT I2C_CHARDEV I2C_CP2615 I2C_DESIGNWARE_CORE I2C_DESIGNWARE_PLATFORM I2C_DIOLAN_U2C I2C_DLN2 I2C_HID_ACPI I2C_HID_CORE I2C_HID_OF I2C_LJCA I2C_MUX I2C_MUX_REG I2C_ROBOTFUZZ_OSIF I2C_SI4713 I2C_SLAVE I2C_SLAVE_EEPROM I2C_TINY_USB I2C_VIPERBOARD IEEE802154 IEEE802154_6LOWPAN IEEE802154_ATUSB IEEE802154_DRIVERS IEEE802154_HWSIM IEEE802154_NL802154_EXPERIMENTAL IEEE802154_SOCKET IFB IIO IIO_BUFFER IIO_KFIFO_BUF IIO_TRIGGER IIO_TRIGGERED_BUFFER IKCONFIG IKCONFIG_PROC IMA IMA_APPRAISE IMA_APPRAISE_MODSIG IMA_DEFAULT_HASH_SHA256 IMA_LSM_RULES IMA_MEASURE_ASYMMETRIC_KEYS IMA_NG_TEMPLATE IMA_QUEUE_EARLY_BOOT_KEYS IMA_READ_POLICY IMA_WRITE_POLICY INET6_ESPINTCP INET6_ESP_OFFLOAD INET6_IPCOMP INET6_TUNNEL INET6_XFRM_TUNNEL INET_AH INET_DIAG INET_DIAG_DESTROY INET_ESP INET_ESPINTCP INET_ESP_OFFLOAD INET_IPCOMP INET_MPTCP_DIAG INET_RAW_DIAG INET_SCTP_DIAG INET_TCP_DIAG INET_UDP_DIAG INET_XFRM_TUNNEL INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_ADDR_TRANS_CONFIGFS INFINIBAND_IPOIB INFINIBAND_IPOIB_CM INFINIBAND_IPOIB_DEBUG INFINIBAND_ISER INFINIBAND_ON_DEMAND_PAGING INFINIBAND_RTRS INFINIBAND_SRP INFINIBAND_USER_ACCESS INFINIBAND_USER_MAD INFINIBAND_USER_MEM INPUT_ATI_REMOTE2 INPUT_CM109 INPUT_IMS_PCU INPUT_JOYDEV INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSEDEV INPUT_MOUSEDEV_PSAUX INPUT_POWERMATE INPUT_UINPUT INPUT_YEALINK INTEGRITY INTEGRITY_ASYMMETRIC_KEYS INTEGRITY_AUDIT INTEGRITY_SIGNATURE INTEGRITY_TRUSTED_KEYRING INTEL_CHTWC_INT33FE INTEL_IDMA64 INTEL_IOATDMA INTEL_IOMMU_DEFAULT_ON INTEL_IOMMU_SVM INTEL_ISHTP_ECLITE INTEL_ISH_FIRMWARE_DOWNLOADER INTEL_ISH_HID INTEL_SOC_PMIC_CHTWC INTERVAL_TREE_SPAN_ITER IOMMUFD IOMMUFD_DRIVER IOMMUFD_DRIVER_CORE IOMMUFD_TEST IO_URING_MOCK_FILE IP6_NF_FILTER IP6_NF_IPTABLES_LEGACY IP6_NF_MANGLE IP6_NF_MATCH_AH IP6_NF_MATCH_EUI64 IP6_NF_MATCH_FRAG IP6_NF_MATCH_HL IP6_NF_MATCH_MH IP6_NF_MATCH_OPTS IP6_NF_MATCH_RPFILTER IP6_NF_MATCH_RT IP6_NF_MATCH_SRH IP6_NF_NAT IP6_NF_RAW IP6_NF_SECURITY IP6_NF_TARGET_HL IP6_NF_TARGET_MASQUERADE IP6_NF_TARGET_NPT IP6_NF_TARGET_REJECT IP6_NF_TARGET_SYNPROXY IPV6_FOU IPV6_FOU_TUNNEL IPV6_GRE IPV6_ILA IPV6_MIP6 IPV6_MROUTE IPV6_MROUTE_MULTIPLE_TABLES IPV6_MULTIPLE_TABLES IPV6_OPTIMISTIC_DAD IPV6_PIMSM_V2 IPV6_ROUTER_PREF IPV6_ROUTE_INFO IPV6_RPL_LWTUNNEL IPV6_SEG6_BPF IPV6_SEG6_HMAC IPV6_SEG6_LWTUNNEL IPV6_SIT_6RD IPV6_SUBTREES IPV6_TUNNEL IPV6_VTI IPVLAN IPVLAN_L3S IPVTAP IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_IPTABLES_LEGACY IP_NF_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_SCTP IRQ_TIME_ACCOUNTING LAPB LCD_CLASS_DEVICE LEDS_CLASS_MULTICOLOR MAC802154 MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_VIPERBOARD MODVERSIONS MPTCP MTD NETFILTER_ADVANCED NETFILTER_XTABLES_LEGACY NET_ACT_GACT NET_ACT_MIRRED NET_IPGRE_DEMUX NFT_COMPAT NFT_COMPAT_ARP NFT_FWD_NETDEV NF_TABLES NF_TABLES_ARP NF_TABLES_NETDEV RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND STAGING TRANSPARENT_HUGEPAGE TRUSTED_KEYS TYPEC TYPEC_MUX_PI3USB30532 USB_LJCA USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN ZONE_DEVICE] disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed picked [v6.17 v6.16 v6.15 v6.13 v6.11 v6.9 v6.7 v6.5 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 40 release tags testing release v6.17 testing commit e5f0a698b34ed76002dc5cff3804a61c80233a7a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 15f28ec1ef68648a014198b47834962aef99d590977ff989f9fc8194bde6e456 all runs: OK false negative chance: 0.000 # git bisect start 93f3bab4310d4ff73027cc4f87174284d4977acf e5f0a698b34ed76002dc5cff3804a61c80233a7a Bisecting: 6891 revisions left to test after this (roughly 13 steps) [07fdad3a93756b872da7b53647715c48d0f4a2d0] Merge tag 'net-next-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 07fdad3a93756b872da7b53647715c48d0f4a2d0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7c2b11b39f299d5c8e0c8b773f555cad3202073c13d986c34c2f76c46ce59aae all runs: OK false negative chance: 0.000 # git bisect good 07fdad3a93756b872da7b53647715c48d0f4a2d0 Bisecting: 3294 revisions left to test after this (roughly 12 steps) [522ba450b56fff29f868b1552bdc2965f55de7ed] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux testing commit 522ba450b56fff29f868b1552bdc2965f55de7ed gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2346c21fd816be4afdd8062e05d52bd5612ebb458994373bb706d99c889bda8b all runs: OK false negative chance: 0.000 # git bisect good 522ba450b56fff29f868b1552bdc2965f55de7ed Bisecting: 1611 revisions left to test after this (roughly 11 steps) [632c53aa8ffa344a60b5c185adc0b243b7fdbbd5] Merge branch 'fs-next' of linux-next testing commit 632c53aa8ffa344a60b5c185adc0b243b7fdbbd5 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 709d0351e6dbe458ff08fb88a4180870ac789a9946189e47bcfbe0eb708df88d all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad 632c53aa8ffa344a60b5c185adc0b243b7fdbbd5 Bisecting: 846 revisions left to test after this (roughly 10 steps) [a28649d9663f32ecd572f7a0659cc1ddd3d4720a] Merge branch 'fs-current' of linux-next testing commit a28649d9663f32ecd572f7a0659cc1ddd3d4720a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 24bd2ac369fe2fb46a3a9c829a4103d4b614f7c7a9cb7164bf9574775b112072 all runs: OK false negative chance: 0.000 # git bisect good a28649d9663f32ecd572f7a0659cc1ddd3d4720a Bisecting: 421 revisions left to test after this (roughly 9 steps) [8ac14c56434ecbdb716ebad8ff8e4b2685d4d175] Merge branch 'asahi-soc/for-next' of https://github.com/AsahiLinux/linux.git testing commit 8ac14c56434ecbdb716ebad8ff8e4b2685d4d175 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 77b8aade9d249293568f6336a417da09eee011d4d53f6b6f9c9ea8a2d5d62d59 all runs: OK false negative chance: 0.000 # git bisect good 8ac14c56434ecbdb716ebad8ff8e4b2685d4d175 Bisecting: 214 revisions left to test after this (roughly 8 steps) [ae6aa5e6e16222a7cc52ee40a6d829fb143a34d8] Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux.git testing commit ae6aa5e6e16222a7cc52ee40a6d829fb143a34d8 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e5b23f2a7e5f21a1065aba3edde90f92cde403f2fa7c5289aebbd4aa80565471 all runs: OK false negative chance: 0.000 # git bisect good ae6aa5e6e16222a7cc52ee40a6d829fb143a34d8 Bisecting: 109 revisions left to test after this (roughly 7 steps) [5dafcf19c7553fd366de292e9eb47fc4b850d49a] Merge branch 'for-next' of https://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2.git testing commit 5dafcf19c7553fd366de292e9eb47fc4b850d49a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 975e73e53c025af2e6b085676780de2092bd878f560067461f08376ae2359ad2 all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad 5dafcf19c7553fd366de292e9eb47fc4b850d49a Bisecting: 44 revisions left to test after this (roughly 6 steps) [9beb88398844cdb5acd51c860ecb83c87f76664b] Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6.git testing commit 9beb88398844cdb5acd51c860ecb83c87f76664b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f2b78979f010d4c7a135cb06be77e53fa078f578bf1127594074bd4a3919f892 all runs: OK false negative chance: 0.000 # git bisect good 9beb88398844cdb5acd51c860ecb83c87f76664b Bisecting: 22 revisions left to test after this (roughly 5 steps) [e1017f3e5f1519b4ec2bf6f6cc595738072ffff4] gfs2: Clean up properly during a withdraw testing commit e1017f3e5f1519b4ec2bf6f6cc595738072ffff4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6f989174a60c375cdc3b15b563e53c34ecf997617c29d9cecf65f9f3dcafbc7b all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad e1017f3e5f1519b4ec2bf6f6cc595738072ffff4 Bisecting: 10 revisions left to test after this (roughly 4 steps) [f5bf3c621419a651e6e4293cfa4824807f73a037] Revert "gfs2: Force withdraw to replay journals and wait for it to finish" (1/6) testing commit f5bf3c621419a651e6e4293cfa4824807f73a037 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 73e5f1cade26865fc4551e8230b150221eb45902477bcba7ba604b098aef43d1 all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad f5bf3c621419a651e6e4293cfa4824807f73a037 Bisecting: 5 revisions left to test after this (roughly 3 steps) [71a0102f418e715bd155df3b039fee261ac68ec9] gfs2: Get rid of delayed withdraws testing commit 71a0102f418e715bd155df3b039fee261ac68ec9 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 538a7e3075952f0373cabb5935bea9d68cc842f1c2245dcdd9290280a6416977 all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad 71a0102f418e715bd155df3b039fee261ac68ec9 Bisecting: 2 revisions left to test after this (roughly 1 step) [b9a56d2b5e032d41d6d8e44b397af97f2e09cdb0] Documentation: gfs2: Consolidate GFS2 docs into its own subdirectory testing commit b9a56d2b5e032d41d6d8e44b397af97f2e09cdb0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fa7928bdf4d17b198ef8cc9f2ab8b345e856bcc592aa3a22798dbd8b8e1cf65a all runs: OK false negative chance: 0.000 # git bisect good b9a56d2b5e032d41d6d8e44b397af97f2e09cdb0 Bisecting: 0 revisions left to test after this (roughly 1 step) [8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb] gfs2: Asynchronous withdraw testing commit 8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1280d6cf48cf397d70d9fc45cdf6f2a24d2228ccc76a7351e2257e8c4866b20c all runs: crashed: WARNING: ODEBUG bug in gfs2_fill_super representative crash: WARNING: ODEBUG bug in gfs2_fill_super, types: [WARNING] # git bisect bad 8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb Bisecting: 0 revisions left to test after this (roughly 0 steps) [b4dce134620cd94ef5c70fde9f08523805efb90e] gfs2: Add clean argument to lm_unmount hook testing commit b4dce134620cd94ef5c70fde9f08523805efb90e gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8410c6ca7205934704dbed0b32982d9c702d5c31cd86bf3f5cdf38828ae0db19 all runs: OK false negative chance: 0.000 # git bisect good b4dce134620cd94ef5c70fde9f08523805efb90e 8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb is the first bad commit commit 8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb Author: Andreas Gruenbacher Date: Tue Aug 5 23:12:06 2025 +0200 gfs2: Asynchronous withdraw So far, withdraws are carried out in the context of the calling task. When another task tries to withdraw while a withdraw is already underway, that task blocks as well. Change that to carry out withdraws asynchronously in workqueue context and don't block the task triggering the withdraw anymore. Fixes: syzbot+6b156e132970e550194c@syzkaller.appspotmail.com Signed-off-by: Andreas Gruenbacher fs/gfs2/incore.h | 1 + fs/gfs2/ops_fstype.c | 3 +++ fs/gfs2/super.c | 2 +- fs/gfs2/util.c | 49 +++++++++++++++++++++++++------------------------ fs/gfs2/util.h | 2 ++ 5 files changed, 32 insertions(+), 25 deletions(-) accumulated error probability: 0.00 culprit signature: 1280d6cf48cf397d70d9fc45cdf6f2a24d2228ccc76a7351e2257e8c4866b20c parent signature: 8410c6ca7205934704dbed0b32982d9c702d5c31cd86bf3f5cdf38828ae0db19 revisions tested: 22, total time: 8h3m22.153603717s (build: 4h42m37.896884477s, test: 2h46m0.881573538s) first bad commit: 8fdd8a28fe5cd5045a43ac1093f2d07325fd9fcb gfs2: Asynchronous withdraw recipients (to): ["agruenba@redhat.com" "agruenba@redhat.com" "gfs2@lists.linux.dev"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: WARNING: ODEBUG bug in gfs2_fill_super RBP: 0000200000000000 R08: 00007f3de808eef0 R09: 0000000000200001 R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500 R13: 00007f3de808eeb0 R14: 00000000000125bf R15: 0000200000000680 gfs2: fsid=syz:syz.0: about to withdraw this file system gfs2: fsid=syz:syz.0: can't lookup journal index: 0 ------------[ cut here ]------------ ODEBUG: free active (active state 0) object: ffff888106b70598 object type: work_struct hint: gfs2_withdraw_func+0x0/0x790 fs/gfs2/util.c:-1 WARNING: CPU: 1 PID: 3678 at lib/debugobjects.c:615 debug_print_object lib/debugobjects.c:612 [inline] WARNING: CPU: 1 PID: 3678 at lib/debugobjects.c:615 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] WARNING: CPU: 1 PID: 3678 at lib/debugobjects.c:615 debug_check_no_obj_freed+0x20f/0x290 lib/debugobjects.c:1129 Modules linked in: CPU: 1 UID: 0 PID: 3678 Comm: syz.3.23 Not tainted syzkaller #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:debug_print_object lib/debugobjects.c:612 [inline] RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline] RIP: 0010:debug_check_no_obj_freed+0x20f/0x290 lib/debugobjects.c:1129 Code: 8b 4d 00 48 c7 c7 ba d0 47 83 48 c7 c6 19 08 3f 83 48 c7 c2 bb 14 40 83 8b 4c 24 0c 4d 89 e0 50 e8 96 8c 74 ff 48 83 c4 08 90 <0f> 0b 90 90 ff 05 e3 b4 1d 02 4c 8b 5d 30 4d 85 db 74 18 4c 89 e7 RSP: 0018:ffffc90001d2bc78 EFLAGS: 00010286 RAX: 4b6b7d8f13c33600 RBX: ffff888106b72000 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 00000000ffffdfff RDI: 00000000ffffffff RBP: ffffffff82c11ac0 R08: 0000000000001fff R09: ffffffff838fee80 R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff888106b70598 R13: ffff888106b70000 R14: ffff888106b70000 R15: dead000000000100 FS: 00007f3de808f6c0(0000) GS:ffff8882b351a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3de71722e0 CR3: 0000000106bb8000 CR4: 00000000003506f0 Call Trace: slab_free_hook mm/slub.c:2454 [inline] slab_free mm/slub.c:6611 [inline] kfree+0x10f/0x5c0 mm/slub.c:6818 free_sbd fs/gfs2/ops_fstype.c:71 [inline] gfs2_fill_super+0x811/0xb10 fs/gfs2/ops_fstype.c:1324 get_tree_bdev_flags+0x13c/0x1c0 fs/super.c:1691 gfs2_get_tree+0x20/0x90 fs/gfs2/ops_fstype.c:1340 vfs_get_tree+0x29/0xf0 fs/super.c:1751 fc_mount fs/namespace.c:1208 [inline] do_new_mount_fc fs/namespace.c:3651 [inline] do_new_mount+0x168/0x3b0 fs/namespace.c:3727 do_mount fs/namespace.c:4050 [inline] __do_sys_mount fs/namespace.c:4238 [inline] __se_sys_mount+0x144/0x1b0 fs/namespace.c:4215 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3de719076a 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:00007f3de808ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f3de808eef0 RCX: 00007f3de719076a RDX: 0000200000000000 RSI: 0000200000012500 RDI: 00007f3de808eeb0 RBP: 0000200000000000 R08: 00007f3de808eef0 R09: 0000000000200001 R10: 0000000000200001 R11: 0000000000000246 R12: 0000200000012500 R13: 00007f3de808eeb0 R14: 00000000000125bf R15: 0000200000000680