ci2 starts bisection 2025-03-16 05:45:54.382484294 +0000 UTC m=+193685.322079804 bisecting cause commit starting from a29967be967eebf049e89edb14c4edf9991bc929 building syzkaller on e28266709dd2a1d1452d4a5bbf271700e10335c6 ensuring issue is reproducible on original commit a29967be967eebf049e89edb14c4edf9991bc929 testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c6586ea9d3374adcfbba0ad45389d81323582a038af27283825e2df691529f72 all runs: crashed: INFO: task hung in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6b2ae11305f2cbdba40aada4e921d0c51d4951e42e1a9ac2bc6025c6b13d3997 all runs: crashed: INFO: task hung in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG], they are not needed kconfig minimization: base=4054 full=8255 leaves diff=2116 split chunks (needed=false): <2116> split chunk #0 of len 2116 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP LEAK UBSAN BUG KASAN], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 17c317f33fb0bdea43d97766629da8955ea462b4b776a3031bac1fb2458f35f2 all runs: crashed: INFO: task hung in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP LEAK], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building a29967be967eebf049e89edb14c4edf9991bc929: drivers/gpu/drm/bridge/aux-bridge.c:116: undefined reference to `devm_drm_of_get_bridge' testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 327fa86c2580363d961dbdf8e3c3f93cf5993e9a3db3294c2f91ee9be8313d46 all runs: OK false negative chance: 0.000 testing without sub-chunk 4/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 982b3cfc8bb0ee6717b041f0222145220c354cd8fc670f57e82c04a1315cf154 run #0: crashed: BUG: soft lockup in mISDN_ioctl run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: BUG: soft lockup in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: INFO: task hung in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: BUG: soft lockup in mISDN_ioctl, types: [HANG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN BUG KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a29967be967eebf049e89edb14c4edf9991bc929 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 44c697fed03b3e90377a48d3e779235dfc3c9a2e7e92714a6d89a372801035d4 run #0: crashed: BUG: soft lockup in mISDN_ioctl run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: INFO: task hung in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: BUG: soft lockup in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: BUG: soft lockup in mISDN_ioctl, types: [HANG] the chunk can be dropped minimized to 848 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI AX25 BRIDGE BRIDGE_NETFILTER CAN CFG80211 CHARGER_BQ24190 CHECKPOINT_RESTORE CMA COMMON_CLK DAX DLM DRM DRM_BRIDGE 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_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 EVM_EXTRA_SMACK_XATTRS EXFAT_FS EXPORTFS_BLOCK_OPS EXT3_FS EXT3_FS_POSIX_ACL EXT3_FS_SECURITY EXTCON EXTCON_INTEL_CHT_WC EXTCON_PTN5150 EXTCON_USBC_TUSB320 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 GENDWARFKSYMS 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 GTP GUEST_PERF_EVENTS GVE HAMRADIO HAVE_ARCH_NODE_DEV_GROUP HAVE_ARCH_USERFAULTFD_MINOR HAVE_ARCH_USERFAULTFD_WP HAVE_BOOTMEM_INFO_NODE HAVE_CLK_PREPARE 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_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_DJ HID_LOGITECH_HIDPP HID_MACALLY HID_MAGICMOUSE HID_MALTRON HID_MAYFLASH HID_MCP2200 HID_MCP2221 HID_MEGAWORLD_FF HID_MULTITOUCH HID_NINTENDO 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 HSR 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_DCCP_DIAG 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_JOYSTICK INPUT_KEYSPAN_REMOTE INPUT_LEDS INPUT_MOUSE 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 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_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_DCCP IP_DCCP_CCID3 IP_DCCP_TFRC_LIB IP_FIB_TRIE_STATS IP_MROUTE_MULTIPLE_TABLES IP_NF_ARPFILTER IP_NF_ARPTABLES IP_NF_ARP_MANGLE IP_NF_MATCH_AH IP_NF_MATCH_ECN IP_NF_MATCH_RPFILTER IP_NF_MATCH_TTL IP_NF_RAW IP_NF_SECURITY IP_NF_TARGET_ECN IP_NF_TARGET_NETMAP IP_NF_TARGET_REDIRECT IP_NF_TARGET_SYNPROXY IP_NF_TARGET_TTL IP_ROUTE_CLASSID IP_SCTP IP_SET IP_SET_BITMAP_IP IP_SET_BITMAP_IPMAC IP_SET_BITMAP_PORT IP_SET_HASH_IP IP_SET_HASH_IPMAC IP_SET_HASH_IPMARK IP_SET_HASH_IPPORT IP_SET_HASH_IPPORTIP IP_SET_HASH_IPPORTNET IP_SET_HASH_MAC IP_SET_HASH_NET IP_SET_HASH_NETIFACE IP_SET_HASH_NETNET IP_SET_HASH_NETPORT IP_SET_HASH_NETPORTNET IP_SET_LIST_SET IP_VS IP_VS_DH IP_VS_FO IP_VS_FTP IP_VS_IPV6 IP_VS_LBLC IP_VS_LBLCR IP_VS_LC IP_VS_MH IP_VS_NFCT IP_VS_NQ IP_VS_OVF IP_VS_PE_SIP IP_VS_PROTO_AH IP_VS_PROTO_AH_ESP IP_VS_PROTO_ESP IP_VS_PROTO_SCTP IP_VS_PROTO_TCP IP_VS_PROTO_UDP IP_VS_RR IP_VS_SED IP_VS_SH IP_VS_TWOS IP_VS_WLC IP_VS_WRR IRQ_BYPASS_MANAGER IRQ_POLL IRQ_TIME_ACCOUNTING IR_IGORPLUGUSB IR_IGUANA IR_IMON IR_IMON_RAW IR_MCEUSB IR_REDRAT3 IR_STREAMZAP IR_TOY IR_TTUSBIR ISDN ISDN_CAPI JFFS2_CMODE_PRIORITY JFFS2_COMPRESSION_OPTIONS JFFS2_FS JFFS2_FS_POSIX_ACL JFFS2_FS_SECURITY JFFS2_FS_WRITEBUFFER JFFS2_FS_XATTR JFFS2_LZO JFFS2_RTIME JFFS2_RUBIN JFFS2_SUMMARY JFFS2_ZLIB JFS_DEBUG JFS_FS JFS_POSIX_ACL JFS_SECURITY JOYSTICK_IFORCE JOYSTICK_IFORCE_USB JOYSTICK_PXRC JOYSTICK_XPAD JOYSTICK_XPAD_FF JOYSTICK_XPAD_LEDS KARMA_PARTITION KCOV KCOV_ENABLE_COMPARISONS KCOV_INSTRUMENT_ALL KEYS_REQUEST_CACHE KEY_DH_OPERATIONS KEY_NOTIFICATIONS KSM KVM KVM_AMD KVM_ASYNC_PF KVM_COMMON KVM_COMPAT KVM_ELIDE_TLB_FLUSH_IF_YOUNG KVM_GENERIC_DIRTYLOG_READ_PROTECT KVM_GENERIC_HARDWARE_ENABLING KVM_GENERIC_MEMORY_ATTRIBUTES KVM_GENERIC_MMU_NOTIFIER KVM_GENERIC_PRE_FAULT_MEMORY KVM_GENERIC_PRIVATE_MEM KVM_HYPERV KVM_MMIO KVM_PRIVATE_MEM KVM_PROVE_MMU KVM_SW_PROTECTED_VM KVM_VFIO KVM_X86 KVM_XEN KVM_XFER_TO_GUEST_WORK L2TP L2TP_ETH L2TP_IP L2TP_V3 LAPB LAPBETHER LCD_CLASS_DEVICE LDM_PARTITION LEGACY_PTYS LIBCRC32C LIBNVDIMM LINEAR_RANGES LLC LLC2 LOGIG940_FF LOGIRUMBLEPAD2_FF LOGO LOGO_LINUX_MONO LOGO_LINUX_VGA16 LPC_ICH LWTUNNEL LWTUNNEL_BPF LZ4HC_COMPRESS LZ4_COMPRESS MAC80211 MAC80211_HAS_RC MAC80211_HWSIM MAC80211_MESH MAC80211_RC_DEFAULT_MINSTREL MAC80211_RC_MINSTREL MAC802154 MACSEC MACVLAN MACVTAP MAC_PARTITION MAPPING_DIRTY_HELPERS MDIO_MVUSB MD_RAID0 MD_RAID1 MD_RAID10 MD_RAID456 MEDIA_ANALOG_TV_SUPPORT MEDIA_ATTACH MEDIA_CONTROLLER MEDIA_CONTROLLER_DVB MEDIA_DIGITAL_TV_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_SUPPORT_FILTER MEDIA_TEST_SUPPORT MEDIA_TUNER MEDIA_TUNER_MSI001 MEDIA_USB_SUPPORT MEMORY_BALLOON MEMORY_HOTPLUG MEMORY_HOTREMOVE MEMORY_ISOLATION MEMREGION MEMSTICK MEMSTICK_REALTEK_USB MEM_SOFT_DIRTY MFD_CORE MFD_DLN2 MFD_SYSCON MFD_VIPERBOARD MHI_BUS MHI_WWAN_CTRL MHP_DEFAULT_ONLINE_TYPE_ONLINE_AUTO MHP_MEMMAP_ON_MEMORY MICROCHIP_PHY MINIX_FS MINIX_SUBPARTITION MIN_HEAP MISC_RTSX MISC_RTSX_USB MISDN MISDN_DSP MISDN_HFCUSB MISDN_L1OIP MKISS MLX4_CORE MLX4_INFINIBAND MMC MMC_REALTEK_USB MMC_USHC MMC_VUB300 MODULE_SRCVERSION_ALL MODVERSIONS MOST MOST_USB_HDM MOUSE_APPLETOUCH MOUSE_BCM5974 MOUSE_PS2 MOUSE_PS2_ALPS MOUSE_PS2_BYD MOUSE_PS2_CYPRESS MOUSE_PS2_FOCALTECH MOUSE_PS2_LIFEBOOK MOUSE_PS2_LOGIPS2PP MOUSE_PS2_SMBUS MOUSE_PS2_SYNAPTICS MOUSE_PS2_SYNAPTICS_SMBUS MOUSE_PS2_TRACKPOINT MOUSE_SYNAPTICS_USB MPLS MPLS_IPTUNNEL MPLS_ROUTING MPTCP MPTCP_IPV6 MRP MTD MTD_BLKDEVS MTD_BLOCK MTD_BLOCK2MTD MTD_CFI_I1 MTD_CFI_I2 MTD_MAP_BANK_WIDTH_1 MTD_MAP_BANK_WIDTH_2 MTD_MAP_BANK_WIDTH_4 MTD_MTDRAM MTD_PHRAM MTD_SLRAM MUSB_PIO_ONLY ND_BTT ND_CLAIM ND_PFN NETDEVSIM NETFILTER_ADVANCED NETFILTER_BPF_LINK NETFILTER_FAMILY_ARP NETFILTER_FAMILY_BRIDGE NETFILTER_NETLINK_ACCT NETFILTER_NETLINK_GLUE_CT NETFILTER_NETLINK_OSF NETFILTER_NETLINK_QUEUE NETFILTER_SYNPROXY NETFILTER_XTABLES_COMPAT NETFILTER_XT_CONNMARK NETFILTER_XT_MATCH_BPF NETFILTER_XT_MATCH_CGROUP NETFILTER_XT_MATCH_CLUSTER NETFILTER_XT_MATCH_COMMENT NETFILTER_XT_MATCH_CONNBYTES NETFILTER_XT_MATCH_CONNLABEL NETFILTER_XT_MATCH_CONNLIMIT NETFILTER_XT_MATCH_CONNMARK NETFILTER_XT_MATCH_CPU NETFILTER_XT_MATCH_DCCP NETFILTER_XT_MATCH_DEVGROUP NETFILTER_XT_MATCH_DSCP NETFILTER_XT_MATCH_ECN NETFILTER_XT_MATCH_ESP NETFILTER_XT_MATCH_HASHLIMIT NETFILTER_XT_MATCH_HELPER NETFILTER_XT_MATCH_HL NETFILTER_XT_MATCH_IPCOMP NETFILTER_XT_MATCH_IPRANGE NETFILTER_XT_MATCH_IPVS NETFILTER_XT_MATCH_L2TP NETFILTER_XT_MATCH_LENGTH NETFILTER_XT_MATCH_LIMIT NETFILTER_XT_MATCH_MAC NETFILTER_XT_MATCH_MARK NETFILTER_XT_MATCH_MULTIPORT NETFILTER_XT_MATCH_NFACCT NETFILTER_XT_MATCH_OSF NETFILTER_XT_MATCH_OWNER NETFILTER_XT_MATCH_PHYSDEV NETFILTER_XT_MATCH_PKTTYPE NETFILTER_XT_MATCH_QUOTA NETFILTER_XT_MATCH_RATEEST NETFILTER_XT_MATCH_REALM NETFILTER_XT_MATCH_RECENT NETFILTER_XT_MATCH_SCTP NETFILTER_XT_MATCH_SOCKET NETFILTER_XT_MATCH_STATISTIC NETFILTER_XT_MATCH_STRING NETFILTER_XT_MATCH_TCPMSS NETFILTER_XT_MATCH_TIME NETFILTER_XT_MATCH_U32 NETFILTER_XT_SET NETFILTER_XT_TARGET_AUDIT NETFILTER_XT_TARGET_CHECKSUM NETFILTER_XT_TARGET_CLASSIFY NETFILTER_XT_TARGET_CONNMARK NETFILTER_XT_TARGET_CT NETFILTER_XT_TARGET_DSCP NETFILTER_XT_TARGET_HL NETFILTER_XT_TARGET_HMARK NETFILTER_XT_TARGET_IDLETIMER NETFILTER_XT_TARGET_LED NETFILTER_XT_TARGET_MARK NETFILTER_XT_TARGET_NETMAP NETFILTER_XT_TARGET_NFQUEUE NETFILTER_XT_TARGET_NOTRACK NETFILTER_XT_TARGET_RATEEST NETFILTER_XT_TARGET_REDIRECT NETFILTER_XT_TARGET_TCPOPTSTRIP NETFILTER_XT_TARGET_TEE NETFILTER_XT_TARGET_TPROXY NETFILTER_XT_TARGET_TRACE NETLINK_DIAG NETROM NET_9P_RDMA NET_ACT_BPF NET_ACT_CONNMARK NET_ACT_CSUM NET_ACT_CT NET_ACT_CTINFO NET_ACT_GACT NET_ACT_GATE NET_ACT_IFE NET_ACT_MIRRED NET_ACT_MPLS NET_ACT_NAT NET_ACT_PEDIT NET_ACT_POLICE NET_ACT_SAMPLE NET_ACT_SIMP NET_ACT_SKBEDIT NET_ACT_SKBMOD NET_ACT_TUNNEL_KEY NET_ACT_VLAN NET_CLS_BASIC NET_CLS_BPF NET_CLS_FLOW NET_CLS_FLOWER NET_CLS_FW NET_CLS_MATCHALL NET_CLS_ROUTE4 NET_DEVLINK NET_DEVMEM NET_DROP_MONITOR NET_DSA NET_DSA_TAG_BRCM NET_DSA_TAG_BRCM_COMMON NET_DSA_TAG_BRCM_PREPEND NET_DSA_TAG_MTK NET_DSA_TAG_QCA NET_DSA_TAG_RTL4_A NET_EMATCH_CANID NET_EMATCH_CMP NET_EMATCH_IPSET NET_EMATCH_IPT NET_EMATCH_META NET_EMATCH_NBYTE NET_EMATCH_TEXT NET_EMATCH_U32 NET_FC NET_FOU NET_FOU_IP_TUNNELS NET_IFE NET_IFE_SKBMARK NET_IFE_SKBPRIO NET_IFE_SKBTCINDEX NET_IPGRE NET_IPGRE_BROADCAST NET_IPGRE_DEMUX NET_IPIP NET_IPVTI NET_KEY NET_KEY_MIGRATE NET_L3_MASTER_DEV NET_MPLS_GSO NET_NCSI NET_NSH NET_REDIRECT NET_SCH_CAKE NET_SCH_CBS NET_SCH_CHOKE NET_SCH_CODEL NET_SCH_DRR NET_SCH_ETF NET_SCH_ETS NET_SCH_FQ NET_SCH_FQ_CODEL NET_SCH_FQ_PIE NET_SCH_GRED NET_SCH_HFSC NET_SCH_HHF NET_SCH_HTB NET_SCH_INGRESS NET_SCH_MQPRIO NET_SCH_MQPRIO_LIB NET_SCH_MULTIQ NET_SCH_NETEM NET_SCH_PIE NET_SCH_PLUG NET_SCH_PRIO NET_SCH_QFQ NET_SCH_RED NET_SCH_SFB NET_SCH_SFQ NET_SCH_SKBPRIO NET_SCH_TAPRIO NET_SCH_TBF NET_SCH_TEQL NET_SHAPER NET_SOCK_MSG NET_SWITCHDEV NET_TC_SKB_EXT NET_TEAM NET_TEAM_MODE_ACTIVEBACKUP NET_TEAM_MODE_BROADCAST NET_TEAM_MODE_LOADBALANCE NET_TEAM_MODE_RANDOM NET_TEAM_MODE_ROUNDROBIN NET_UDP_TUNNEL NET_VRF NFC NFC_DIGITAL NFC_FDP NFC_HCI NFC_MRVL NFC_MRVL_USB NFC_NCI NFC_NCI_UART NFC_PN533 NFC_PN533_USB NFC_PORT100 NFC_SHDLC NFC_SIM NFC_VIRTUAL_NCI NFSD NFSD_BLOCKLAYOUT NFSD_FLEXFILELAYOUT NFSD_PNFS NFSD_SCSILAYOUT NFSD_V3_ACL NFSD_V4 NFSD_V4_2_INTER_SSC NFSD_V4_SECURITY_LABEL NFS_FSCACHE NFS_V4_1 NFS_V4_2 NFS_V4_2_READ_PLUS NFS_V4_2_SSC_HELPER NFS_V4_SECURITY_LABEL NFT_BRIDGE_META NFT_BRIDGE_REJECT NFT_COMPAT NFT_COMPAT_ARP NFT_CONNLIMIT NFT_CT NFT_DUP_IPV4 NFT_DUP_IPV6 NFT_DUP_NETDEV NFT_FIB NFT_FIB_INET NFT_FIB_IPV4 NFT_FIB_IPV6 NFT_FIB_NETDEV NFT_FLOW_OFFLOAD NFT_FWD_NETDEV NFT_HASH NFT_LIMIT NFT_LOG NFT_MASQ NFT_NAT NFT_NUMGEN NFT_OSF NFT_QUEUE NFT_QUOTA NFT_REDIR NFT_REJECT NFT_REJECT_INET NFT_REJECT_IPV4 NFT_REJECT_IPV6 NFT_REJECT_NETDEV NFT_SOCKET NFT_SYNPROXY NFT_TPROXY NFT_TUNNEL NFT_XFRM NF_CONNTRACK_AMANDA NF_CONNTRACK_BRIDGE NF_CONNTRACK_BROADCAST NF_CONNTRACK_EVENTS NF_CONNTRACK_H323 NF_CONNTRACK_LABELS NF_CONNTRACK_MARK NF_CONNTRACK_NETBIOS_NS NF_CONNTRACK_OVS NF_CONNTRACK_PPTP NF_CONNTRACK_SANE NF_CONNTRACK_SNMP NF_CONNTRACK_TFTP NF_CONNTRACK_TIMEOUT NF_CONNTRACK_TIMESTAMP NF_CONNTRACK_ZONES NF_CT_NETLINK_HELPER NF_CT_NETLINK_TIMEOUT NF_CT_PROTO_DCCP NF_CT_PROTO_GRE NF_CT_PROTO_SCTP NF_CT_PROTO_UDPLITE NF_DUP_IPV4 NF_DUP_IPV6 NF_DUP_NETDEV NF_FLOW_TABLE NF_FLOW_TABLE_INET NF_NAT_AMANDA NF_NAT_H323 NF_NAT_OVS NF_NAT_PPTP NF_NAT_REDIRECT NF_NAT_SNMP_BASIC NF_NAT_TFTP NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TABLES NF_TABLES_ARP NF_TABLES_BRIDGE NF_TABLES_INET NF_TABLES_IPV4 NF_TABLES_IPV6 NF_TABLES_NETDEV NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 PAGE_POOL PARTITION_ADVANCED PSAMPLE RADIO_ADAPTERS RADIO_SI4713 RAS RC_CORE RC_DEVICES REGULATOR RFKILL SND SOUND SPI STAGING TRANSPARENT_HUGEPAGE TYPEC TYPEC_MUX_PI3USB30532 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH VIDEO_DEV VIRTIO_FS WAN WATCH_QUEUE WIRELESS WLAN WWAN X25 X86_X32_ABI ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP LEAK UBSAN BUG KASAN LOCKDEP], they are not needed picked [v6.13 v6.12 v6.11 v6.9 v6.7 v6.5 v6.3 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 36 release tags testing release v6.13 testing commit ffd294d346d185b70e28b1a28abe367bbfe53c04 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 382fb9e8464613905a20eb70d1c16c5a27a108d3d5f915a2f5285d95ea00807b run #0: crashed: INFO: task hung in mISDN_ioctl run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: BUG: soft lockup in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: BUG: soft lockup in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0408c283287cd0e3d27eaf70cce92ab11131af6badad6f70d8982c748f8cec92 all runs: OK false negative chance: 0.000 # git bisect start ffd294d346d185b70e28b1a28abe367bbfe53c04 adc218676eef25575469234709c2d87185ca223a Bisecting: 6418 revisions left to test after this (roughly 13 steps) [28eb75e178d389d325f1666e422bc13bbbb9804c] Merge tag 'drm-next-2024-11-21' of https://gitlab.freedesktop.org/drm/kernel testing commit 28eb75e178d389d325f1666e422bc13bbbb9804c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 758780ce6de035103894f9b03075d49a0badfcb00f9acc88431fc4f6e1d7c4a0 all runs: OK false negative chance: 0.000 # git bisect good 28eb75e178d389d325f1666e422bc13bbbb9804c Bisecting: 3250 revisions left to test after this (roughly 12 steps) [e33a6d83e1786d5e310ae746c67f5f4e2f93ba35] Merge tag 'usb-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit e33a6d83e1786d5e310ae746c67f5f4e2f93ba35 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9efc919ddf49487a284a852b609f7a9947d64a33e542711c3064cfbf1e92f224 all runs: OK false negative chance: 0.000 # git bisect good e33a6d83e1786d5e310ae746c67f5f4e2f93ba35 Bisecting: 1622 revisions left to test after this (roughly 11 steps) [553c89ec31746ff96fc5562943fe5b1c9b1e9276] Merge tag 'mm-hotfixes-stable-2024-12-07-22-39' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 553c89ec31746ff96fc5562943fe5b1c9b1e9276 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e95b7616d66631f72a0c032ed66e7ce7d8fe40f2f5c79a7ed2d6f9b11de2c84b all runs: OK false negative chance: 0.000 # git bisect good 553c89ec31746ff96fc5562943fe5b1c9b1e9276 Bisecting: 813 revisions left to test after this (roughly 10 steps) [059dd502b263d8a4e2a84809cf1068d6a3905e6f] Merge tag 'block-6.13-20241228' of git://git.kernel.dk/linux testing commit 059dd502b263d8a4e2a84809cf1068d6a3905e6f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6441a57c950bbec98c2cc82b7017d404bef7997386406772145018b9bd2dc9d2 run #0: crashed: INFO: task hung in mISDN_ioctl run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: BUG: soft lockup in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] # git bisect bad 059dd502b263d8a4e2a84809cf1068d6a3905e6f Bisecting: 405 revisions left to test after this (roughly 9 steps) [dccbe2047a5b0859de24bf463dae9eeea8e01c1e] Merge tag 'edac_urgent_for_v6.13_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras testing commit dccbe2047a5b0859de24bf463dae9eeea8e01c1e gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5730ca374ec3f1e13b1e423e02926471b1a9c6eb17f7c8baefe432140a09ad8e all runs: OK false negative chance: 0.000 # git bisect good dccbe2047a5b0859de24bf463dae9eeea8e01c1e Bisecting: 207 revisions left to test after this (roughly 8 steps) [5127e1495b04c4516f3d9ab5bd6f241873793245] Merge tag 'spi-fix-v6.13-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi testing commit 5127e1495b04c4516f3d9ab5bd6f241873793245 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e310681d96aca5e5d27bbd18ddace8874fc1d533e0ba7be15379ef5b087b7629 all runs: OK false negative chance: 0.000 # git bisect good 5127e1495b04c4516f3d9ab5bd6f241873793245 Bisecting: 103 revisions left to test after this (roughly 7 steps) [4aa748dd1abf337426b4c941ae1b606ed0e2a5aa] Merge tag 'mm-hotfixes-stable-2024-12-21-12-09' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit 4aa748dd1abf337426b4c941ae1b606ed0e2a5aa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 45a7e04ea271f252ee090df37dd084ef78ef0cb77a4dd100f7f2c24c11fbea96 run #0: crashed: INFO: task hung in synchronize_rcu run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: BUG: soft lockup in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: INFO: task hung in synchronize_rcu representative crash: INFO: task hung in synchronize_rcu, types: [HANG] # git bisect bad 4aa748dd1abf337426b4c941ae1b606ed0e2a5aa Bisecting: 49 revisions left to test after this (roughly 6 steps) [78b1346123bbd66060432994c28a7ca390b7e0cd] Merge tag 'pm-6.13-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm testing commit 78b1346123bbd66060432994c28a7ca390b7e0cd gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b9068afaec393c7cd0a4dd1a12c0b824e5f47f3ade3175b0c343f5180ec56c79 all runs: OK false negative chance: 0.000 # git bisect good 78b1346123bbd66060432994c28a7ca390b7e0cd Bisecting: 24 revisions left to test after this (roughly 5 steps) [d3ac65d274b3a93cf9cf9559fd1473ab65e00e10] mm: huge_memory: handle strsep not finding delimiter testing commit d3ac65d274b3a93cf9cf9559fd1473ab65e00e10 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4bf04c3f44725fc74e97564f62562ca4e509a575623f291df4d4121ec0f2f405 run #0: crashed: BUG: soft lockup in mISDN_ioctl run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: INFO: task hung in synchronize_rcu run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: INFO: task hung in synchronize_rcu run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: BUG: soft lockup in mISDN_ioctl, types: [HANG] # git bisect bad d3ac65d274b3a93cf9cf9559fd1473ab65e00e10 Bisecting: 12 revisions left to test after this (roughly 4 steps) [c51a4f11e6d8246590b5e64908c1ed84b33e8ba2] mm: use clear_user_(high)page() for arch with special user folio handling testing commit c51a4f11e6d8246590b5e64908c1ed84b33e8ba2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2a00c6cebad0a8e480d5249dceb9369d020d5be3ec333e114502dde6ede006d8 all runs: OK false negative chance: 0.000 # git bisect good c51a4f11e6d8246590b5e64908c1ed84b33e8ba2 Bisecting: 6 revisions left to test after this (roughly 3 steps) [a2e740e216f5bf49ccb83b6d490c72a340558a43] vmalloc: fix accounting with i915 testing commit a2e740e216f5bf49ccb83b6d490c72a340558a43 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9ae29c789f8de5aa22bd8b3c8c7e5eacd21f9a27dd321d421f6621bbd449e719 run #0: crashed: INFO: task hung in mISDN_ioctl run #1: crashed: BUG: soft lockup in mISDN_ioctl run #2: crashed: INFO: task hung in synchronize_rcu run #3: crashed: BUG: soft lockup in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: BUG: soft lockup in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: INFO: task hung in synchronize_rcu run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] # git bisect bad a2e740e216f5bf49ccb83b6d490c72a340558a43 Bisecting: 2 revisions left to test after this (roughly 2 steps) [901ce9705fbb9f330ff1f19600e5daf9770b0175] nilfs2: prevent use of deleted inode testing commit 901ce9705fbb9f330ff1f19600e5daf9770b0175 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6dd97a9461472d2cd8177f6834ae136ee3350ef8b677069fd803f48952fd2fdc run #0: crashed: INFO: task hung in mISDN_ioctl run #1: crashed: INFO: task hung in synchronize_rcu run #2: crashed: BUG: soft lockup in mISDN_ioctl run #3: crashed: BUG: soft lockup in mISDN_ioctl run #4: crashed: BUG: soft lockup in mISDN_ioctl run #5: crashed: BUG: soft lockup in mISDN_ioctl run #6: crashed: BUG: soft lockup in mISDN_ioctl run #7: crashed: BUG: soft lockup in mISDN_ioctl run #8: crashed: BUG: soft lockup in mISDN_ioctl run #9: crashed: BUG: soft lockup in mISDN_ioctl representative crash: INFO: task hung in mISDN_ioctl, types: [HANG] # git bisect bad 901ce9705fbb9f330ff1f19600e5daf9770b0175 Bisecting: 0 revisions left to test after this (roughly 1 step) [74363ec674cb172d8856de25776c8f3103f05e2f] zram: fix uninitialized ZRAM not releasing backing device testing commit 74363ec674cb172d8856de25776c8f3103f05e2f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2b2ef48d783f50e96a0e02f77d58cf4bbc9371db72e44f3a8f86585e250d40de all runs: OK false negative chance: 0.000 # git bisect good 74363ec674cb172d8856de25776c8f3103f05e2f 901ce9705fbb9f330ff1f19600e5daf9770b0175 is the first bad commit commit 901ce9705fbb9f330ff1f19600e5daf9770b0175 Author: Edward Adam Davis Date: Mon Dec 9 15:56:52 2024 +0900 nilfs2: prevent use of deleted inode syzbot reported a WARNING in nilfs_rmdir. [1] Because the inode bitmap is corrupted, an inode with an inode number that should exist as a ".nilfs" file was reassigned by nilfs_mkdir for "file0", causing an inode duplication during execution. And this causes an underflow of i_nlink in rmdir operations. The inode is used twice by the same task to unmount and remove directories ".nilfs" and "file0", it trigger warning in nilfs_rmdir. Avoid to this issue, check i_nlink in nilfs_iget(), if it is 0, it means that this inode has been deleted, and iput is executed to reclaim it. [1] WARNING: CPU: 1 PID: 5824 at fs/inode.c:407 drop_nlink+0xc4/0x110 fs/inode.c:407 ... Call Trace: nilfs_rmdir+0x1b0/0x250 fs/nilfs2/namei.c:342 vfs_rmdir+0x3a3/0x510 fs/namei.c:4394 do_rmdir+0x3b5/0x580 fs/namei.c:4453 __do_sys_rmdir fs/namei.c:4472 [inline] __se_sys_rmdir fs/namei.c:4470 [inline] __x64_sys_rmdir+0x47/0x50 fs/namei.c:4470 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Link: https://lkml.kernel.org/r/20241209065759.6781-1-konishi.ryusuke@gmail.com Fixes: d25006523d0b ("nilfs2: pathname operations") Signed-off-by: Ryusuke Konishi Reported-by: syzbot+9260555647a5132edd48@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=9260555647a5132edd48 Tested-by: syzbot+9260555647a5132edd48@syzkaller.appspotmail.com Signed-off-by: Edward Adam Davis Cc: Signed-off-by: Andrew Morton fs/nilfs2/inode.c | 8 +++++++- fs/nilfs2/namei.c | 5 +++++ 2 files changed, 12 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: 6dd97a9461472d2cd8177f6834ae136ee3350ef8b677069fd803f48952fd2fdc parent signature: 2b2ef48d783f50e96a0e02f77d58cf4bbc9371db72e44f3a8f86585e250d40de revisions tested: 21, total time: 6h2m11.261261982s (build: 2h22m41.651888811s, test: 3h19m48.637511087s) first bad commit: 901ce9705fbb9f330ff1f19600e5daf9770b0175 nilfs2: prevent use of deleted inode recipients (to): ["akpm@linux-foundation.org" "eadavis@qq.com" "konishi.ryusuke@gmail.com" "syzbot+9260555647a5132edd48@syzkaller.appspotmail.com"] recipients (cc): [] crash: INFO: task hung in mISDN_ioctl INFO: task syz.2.18:6767 blocked for more than 143 seconds. Not tainted 6.13.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.18 state:D stack:12504 pid:6767 tgid:6765 ppid:4704 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0x6ad/0xa70 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xac/0x140 kernel/sched/core.c:6848 schedule_preempt_disabled+0x32/0x60 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x451/0x980 kernel/locking/mutex.c:735 mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xb9/0x130 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f05f798d169 RSP: 002b:00007f05f8726038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f05f7ba5fa0 RCX: 00007f05f798d169 RDX: 0000400000001f00 RSI: 0000000080044940 RDI: 0000000000000005 RBP: 00007f05f7a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f05f7ba5fa0 R15: 00007ffc19c1bab8 Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff850017b8 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff850017b8 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff850017b8 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 kernel/locking/lockdep.c:6744 2 locks held by getty/2743: #0: ffff888106f888a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x50 drivers/tty/tty_ldisc.c:243 #1: ffffc9000465f2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x26f/0xbb0 drivers/tty/n_tty.c:2211 3 locks held by syz.5.20/6555: 1 lock held by syz.2.18/6767: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.3.19/6820: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.0.16/6827: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.6.17/6854: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.7.21/8415: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.8.22/8918: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.4.24/9065: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.9.23/9081: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.1.25/9084: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.5.26/9437: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.2.27/10372: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.0.28/10747: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.3.30/10809: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.6.29/10824: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.7.31/11174: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.8.32/11558: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.9.33/12533: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.4.34/12617: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.1.35/12713: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.5.36/12920: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.2.37/13265: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.0.38/14263: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.3.39/14593: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.6.40/14665: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.7.41/14770: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.8.42/15005: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.9.43/15415: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.1.44/16498: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.4.45/16613: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.5.46/16669: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.2.47/16752: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 1 lock held by syz.0.48/17097: #0: ffffffff8527cc28 (mISDN_mutex){....}-{3:3}, at: mISDN_ioctl+0x5b/0x430 drivers/isdn/mISDN/timerdev.c:226 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x10e/0x1b0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x234/0x250 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x102/0x220 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0x8e5/0x920 kernel/hung_task.c:397 kthread+0x114/0x140 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 6555 Comm: syz.5.20 Not tainted 6.13.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:nilfs_page_mkwrite+0x63/0x5a0 fs/nilfs2/file.c:50 Code: 01 31 ff e8 bf 45 87 ff 48 89 d8 48 83 e0 01 0f 85 fe 03 00 00 0f 1f 44 00 00 e8 c8 40 87 ff 49 8b 85 80 00 00 00 4c 8b 60 68 <48> c7 44 24 20 00 00 00 00 48 c7 44 24 18 00 00 00 00 48 c7 44 24 RSP: 0018:ffffc90001a23b00 EFLAGS: 00000293 RAX: ffff88816730d080 RBX: ffffea0005e0b6c8 RCX: ffff8881053c9bc0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff81af8e11 R09: 0000000000000000 R10: 0000000000000000 R11: ffffffff81af8dd0 R12: ffff888172523058 R13: ffff888161b51280 R14: ffffea0005c784c0 R15: ffffc90001a23cc8 FS: 00007f8afcb666c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000400000001f00 CR3: 0000000164198000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_page_mkwrite+0x73/0x160 mm/memory.c:3176 wp_page_shared mm/memory.c:3577 [inline] do_wp_page+0x97c/0x25a0 mm/memory.c:3727 handle_pte_fault mm/memory.c:5817 [inline] __handle_mm_fault mm/memory.c:5944 [inline] handle_mm_fault+0x11a7/0x33c0 mm/memory.c:6112 do_user_addr_fault arch/x86/mm/fault.c:1389 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x299/0x6a0 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 RIP: 0010:__put_user_4+0x11/0x20 arch/x86/lib/putuser.S:88 Code: 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 89 cb 48 c1 fb 3f 48 09 d9 0f 01 cb <89> 01 31 c9 0f 01 ca c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90001a23e80 EFLAGS: 00050206 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000400000001f00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff82e9b1c8 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8881641ec1a8 R14: 0000400000001f00 R15: 0000000000000000 mISDN_ioctl+0x39d/0x430 drivers/isdn/mISDN/timerdev.c:241 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xb9/0x130 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x8d/0x190 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8afbd8d169 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8afcb66038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8afbfa5fa0 RCX: 00007f8afbd8d169 RDX: 0000400000001f00 RSI: 0000000080044940 RDI: 0000000000000005 RBP: 00007f8afbe0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f8afbfa5fa0 R15: 00007ffc8142ce98