ci starts bisection 2024-12-24 06:33:17.895980535 +0000 UTC m=+71568.891157619 bisecting cause commit starting from c88416ba074a8913cf6d61b789dd834bbca6681c building syzkaller on f00eed24f2a1332b07fef1a353a439133978d97b fetch other tags and check if the commit is present ensuring issue is reproducible on original commit c88416ba074a8913cf6d61b789dd834bbca6681c testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e68fe420a8c4ac4a9a74f869231140ab36d7529262b510f1e0636299d6009cb3 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #3: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #4: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: possible deadlock in blk_mq_alloc_request run #9: crashed: possible deadlock in blk_mq_alloc_request run #10: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #11: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #12: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #13: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #14: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #15: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #16: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #17: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #18: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #19: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b8cfc08060966845c8b23bc1a50a1af3f063e16fd42e79ea2282d5d206bccd2 run #0: crashed: possible deadlock in blk_mq_alloc_request run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: possible deadlock in blk_mq_alloc_request run #7: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: possible deadlock in blk_mq_alloc_request, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4045 full=8231 leaves diff=2119 split chunks (needed=false): <2119> split chunk #0 of len 2119 into 5 parts testing without sub-chunk 1/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f1cd2c818e13b141da46a6a8567fc70a96e64d2f00f9a32ca7214a2aa729edcb run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #2: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #3: crashed: possible deadlock in del_gendisk run #4: crashed: possible deadlock in del_gendisk run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #9: crashed: possible deadlock in blk_mq_alloc_request representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 failed building c88416ba074a8913cf6d61b789dd834bbca6681c: 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 [KASAN ATOMIC_SLEEP HANG LEAK UBSAN BUG], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ae9c10b0c7669a7ef126dffe2a09ab8733155c260eee0444b43572ec8af35565 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #9: crashed: possible deadlock in del_gendisk representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1abff3b219f10144d71d0db75c791e679aa201e22503bfbcbe12f8ae1ab24696 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #4: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN BUG KASAN ATOMIC_SLEEP HANG LEAK], they are not needed testing commit c88416ba074a8913cf6d61b789dd834bbca6681c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e5f84dcfd9da4824df9b15e418ced9dcd0123eff77782f19fe0badabaa2cd613 all runs: OK false negative chance: 0.000 minimized to 847 configs; suspects: [6LOWPAN ARCH_ENABLE_MEMORY_HOTREMOVE ASUS_WMI ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CHARGER_BQ24190 CMA COMMON_CLK CONTIG_ALLOC DAX DLM DRM DRM_BRIDGE 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 EEPROM_93CX6 EFS_FS ENCRYPTED_KEYS EQUALIZER EROFS_FS EROFS_FS_BACKED_BY_FILE 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 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 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_WEIGHT GTP GUEST_PERF_EVENTS GVE 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_NTI HID_ORTEK HID_PENMOUNT HID_PICOLCD HID_PICOLCD_BACKLIGHT HID_PICOLCD_CIR HID_PICOLCD_FB 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MEDIA_CONTROLLER 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 MPTCP MTD NETFILTER_ADVANCED 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 NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RAS RC_CORE REGULATOR RFKILL SND SOUND SPI SSB STAGING TAP TARGET_CORE TRANSPARENT_HUGEPAGE TUN TYPEC TYPEC_MUX_PI3USB30532 USB_AMD5536UDC USB_ATM 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_NPCM USB_CHIPIDEA_PCI USB_CHIPIDEA_UDC USB_CONFIGFS USB_CONFIGFS_ACM USB_CONFIGFS_ECM USB_CONFIGFS_ECM_SUBSET USB_CONFIGFS_EEM USB_CONFIGFS_F_FS USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI USB_CONFIGFS_F_MIDI2 USB_CONFIGFS_F_PRINTER 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USB_RAREMONO USB_RAW_GADGET USB_ROLES_INTEL_XHCI USB_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_UAS USB_UEAGLEATM USB_ULPI_BUS USB_USBNET USB_USS720 USB_U_AUDIO USB_U_ETHER USB_U_SERIAL USB_VIDEO_CLASS USB_VIDEO_CLASS_INPUT_EVDEV USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XHCI_PCI_RENESAS USB_XHCI_PLATFORM USB_XUSBATM USB_YUREX USERFAULTFD USERIO USERMODE_DRIVER USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_MEM2MEM_DEV V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VETH VFIO VFIO_DEVICE_CDEV VFIO_PCI VFIO_PCI_CORE VFIO_PCI_INTX VFIO_PCI_MMAP VFIO_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_FS VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMAP_PFN VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS WAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK X86_X2APIC X86_X32_ABI XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_FS XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA Z3FOLD Z3FOLD_DEPRECATED ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE ZPOOL ZRAM ZRAM_BACKEND_FORCE_LZO ZRAM_BACKEND_LZO ZRAM_DEF_COMP_LZO ZSMALLOC ZSTD_COMPRESS ZSWAP ZSWAP_COMPRESSOR_DEFAULT_842 ZSWAP_DEFAULT_ON ZSWAP_SHRINKER_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_Z3FOLD_DEPRECATED] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 90e12729273e5be2f14b3f74aba6ab8cf7f1fa27d05f8d7c1eaf71b08a5fef3e all runs: OK false negative chance: 0.000 # git bisect start c88416ba074a8913cf6d61b789dd834bbca6681c 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 11421 revisions left to test after this (roughly 14 steps) [b707512b8b07396f8982103a84285a165a1bd94c] Merge tag 'staging-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging testing commit b707512b8b07396f8982103a84285a165a1bd94c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e3d701938e43e97928e1eae9d0284e145e0e52a261d0026e8d6fec874d3e4ef8 all runs: OK false negative chance: 0.000 # git bisect good b707512b8b07396f8982103a84285a165a1bd94c Bisecting: 5747 revisions left to test after this (roughly 13 steps) [f8cb7e48d1bbb928d368a158aca5121746864715] Merge branch 'next' of git://git.linuxtv.org/media testing commit f8cb7e48d1bbb928d368a158aca5121746864715 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 55c0c845af100ee69f2947c4cf170f13bd3d1984a7a4cb4bd1301b15101e1da1 all runs: OK false negative chance: 0.000 # git bisect good f8cb7e48d1bbb928d368a158aca5121746864715 Bisecting: 2874 revisions left to test after this (roughly 12 steps) [032beb9fd8a0f03d37de548277124819e3da244f] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git testing commit 032beb9fd8a0f03d37de548277124819e3da244f gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d2cd0fa36e1e2db9696595f1414e0a63ba7f9cfe5a42a5faf7454b39576f6ee3 all runs: OK false negative chance: 0.000 # git bisect good 032beb9fd8a0f03d37de548277124819e3da244f Bisecting: 1437 revisions left to test after this (roughly 11 steps) [2a4478dcc10ac951cb6c5078abab44d73f1cbecc] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux.git testing commit 2a4478dcc10ac951cb6c5078abab44d73f1cbecc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c58e7b2851baa86beb015b514d044d758c1fcca39b3f7172f4822a2e7a38e617 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: possible deadlock in blk_mq_alloc_request run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] # git bisect bad 2a4478dcc10ac951cb6c5078abab44d73f1cbecc Bisecting: 699 revisions left to test after this (roughly 10 steps) [c8e401a534fd8f857161c8dcb5e65f1fe22cbd08] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git testing commit c8e401a534fd8f857161c8dcb5e65f1fe22cbd08 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3f0c80fc85f1a8ec1eafd6839913f57c13091bc0750fe68979fa4d8d199c2e67 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: possible deadlock in disk_del_events run #6: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] # git bisect bad c8e401a534fd8f857161c8dcb5e65f1fe22cbd08 Bisecting: 315 revisions left to test after this (roughly 9 steps) [1ada6a27778781bfcc69df1cd3d90d23f1c64d83] Merge branch 'for-next' of git://git.kernel.dk/linux-block.git testing commit 1ada6a27778781bfcc69df1cd3d90d23f1c64d83 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7041a80358f7ac6996775db37f935a15845ec3bab1d734592d5926016a33679e run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: possible deadlock in blk_mq_alloc_request run #4: crashed: WARNING: bad unlock balance in elevator_init_mq run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: possible deadlock in blk_mq_alloc_request run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] # git bisect bad 1ada6a27778781bfcc69df1cd3d90d23f1c64d83 Bisecting: 207 revisions left to test after this (roughly 8 steps) [f5b1ef6895cd9a4b585b8ccc7980a5ce49ab6cd3] Merge branch 'modules-next' of git://git.kernel.org/pub/scm/linux/kernel/git/modules/linux.git testing commit f5b1ef6895cd9a4b585b8ccc7980a5ce49ab6cd3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e4ec0abfc58600cf1547200db7ab15389771175a0e1d27a3fefe2498f38fbe02 all runs: OK false negative chance: 0.000 # git bisect good f5b1ef6895cd9a4b585b8ccc7980a5ce49ab6cd3 Bisecting: 103 revisions left to test after this (roughly 7 steps) [d4b9721e53b5de1588e7103d3bf75402c4bffa56] Merge branch 'for-6.13/block' into for-next testing commit d4b9721e53b5de1588e7103d3bf75402c4bffa56 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 81d65c2ffe22d5614025bb70cb4d49cf65cc1ac077a80b58fc334c22170afe9e run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in elevator_init_mq run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in elevator_init_mq run #6: crashed: possible deadlock in blk_mq_alloc_request run #7: crashed: WARNING: bad unlock balance in elevator_init_mq run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] # git bisect bad d4b9721e53b5de1588e7103d3bf75402c4bffa56 Bisecting: 51 revisions left to test after this (roughly 6 steps) [0f576012ae2ff08009ce91e2294832e2b88aba06] io_uring/rsrc: fix error code in io_clone_buffers() testing commit 0f576012ae2ff08009ce91e2294832e2b88aba06 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 959cf8bd8b15c474e700ebb02e9f6892f04f63a2ea6d6cf55f03092d3ff194ff all runs: OK false negative chance: 0.000 # git bisect good 0f576012ae2ff08009ce91e2294832e2b88aba06 Bisecting: 25 revisions left to test after this (roughly 5 steps) [96a9fe64bfd486ebeeacf1e6011801ffe89dae18] block: fix ordering between checking BLK_MQ_S_STOPPED request adding testing commit 96a9fe64bfd486ebeeacf1e6011801ffe89dae18 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 83fd1e4232f8a71ed1dbd67c3aa4ee36d6d4acd7a024b14fe0634605971f491a all runs: OK false negative chance: 0.000 # git bisect good 96a9fe64bfd486ebeeacf1e6011801ffe89dae18 Bisecting: 12 revisions left to test after this (roughly 4 steps) [2f5a65ef30a636d5030917eebd283ac447a212af] block: add a bdev_limits helper testing commit 2f5a65ef30a636d5030917eebd283ac447a212af gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 50abf535f7c4690b731bd76d82d8fce22547c190c4d1233e2c3dba77bd7fda76 run #0: crashed: WARNING: bad unlock balance in elevator_init_mq run #1: crashed: possible deadlock in blk_mq_alloc_request run #2: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #3: crashed: possible deadlock in blk_mq_alloc_request run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: WARNING: bad unlock balance in sd_revalidate_disk run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in elevator_init_mq, types: [LOCKDEP] # git bisect bad 2f5a65ef30a636d5030917eebd283ac447a212af Bisecting: 6 revisions left to test after this (roughly 3 steps) [904ebd2527c507752f5ddb358f887d2e0dab96a0] block: remove redundant explicit memory barrier from rq_qos waiter and waker testing commit 904ebd2527c507752f5ddb358f887d2e0dab96a0 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 82eed1f39e84e1654f138f93cafba632167da37bc9b818705e9b81e89005cd4b all runs: OK false negative chance: 0.000 # git bisect good 904ebd2527c507752f5ddb358f887d2e0dab96a0 Bisecting: 3 revisions left to test after this (roughly 2 steps) [8acdd0e7bfadda6b5103f2960d293581954454ed] blk-mq: add non_owner variant of start_freeze/unfreeze queue APIs testing commit 8acdd0e7bfadda6b5103f2960d293581954454ed gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 073bf92bf84f5d4b145e93dbfdbc5c6005a697025ece1b0d27e6511099e1d692 all runs: OK false negative chance: 0.000 # git bisect good 8acdd0e7bfadda6b5103f2960d293581954454ed Bisecting: 1 revision left to test after this (roughly 1 step) [f1be1788a32e8fa63416ad4518bbd1a85a825c9d] block: model freeze & enter queue as lock for supporting lockdep testing commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d4d25de8b465d9e3b3fc3ba7798873538eb73ad5963b524f45614123aa765819 run #0: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #1: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #2: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #3: crashed: WARNING: bad unlock balance in elevator_init_mq run #4: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #5: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #6: crashed: possible deadlock in blk_mq_alloc_request run #7: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #8: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared run #9: crashed: WARNING: bad unlock balance in blk_mq_update_tag_set_shared representative crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared, types: [LOCKDEP] # git bisect bad f1be1788a32e8fa63416ad4518bbd1a85a825c9d Bisecting: 0 revisions left to test after this (roughly 0 steps) [6b6f6c41c8ac9b5ef758f16b793e1fd998cd25b4] nvme: core: switch to non_owner variant of start_freeze/unfreeze queue testing commit 6b6f6c41c8ac9b5ef758f16b793e1fd998cd25b4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e1551d19f5c13904706cb45fd9f1fd1874733976e3c2a34cd80d70386e85de1e all runs: OK false negative chance: 0.000 # git bisect good 6b6f6c41c8ac9b5ef758f16b793e1fd998cd25b4 f1be1788a32e8fa63416ad4518bbd1a85a825c9d is the first bad commit commit f1be1788a32e8fa63416ad4518bbd1a85a825c9d Author: Ming Lei Date: Fri Oct 25 08:37:20 2024 +0800 block: model freeze & enter queue as lock for supporting lockdep Recently we got several deadlock report[1][2][3] caused by blk_mq_freeze_queue and blk_enter_queue(). Turns out the two are just like acquiring read/write lock, so model them as read/write lock for supporting lockdep: 1) model q->q_usage_counter as two locks(io and queue lock) - queue lock covers sync with blk_enter_queue() - io lock covers sync with bio_enter_queue() 2) make the lockdep class/key as per-queue: - different subsystem has very different lock use pattern, shared lock class causes false positive easily - freeze_queue degrades to no lock in case that disk state becomes DEAD because bio_enter_queue() won't be blocked any more - freeze_queue degrades to no lock in case that request queue becomes dying because blk_enter_queue() won't be blocked any more 3) model blk_mq_freeze_queue() as acquire_exclusive & try_lock - it is exclusive lock, so dependency with blk_enter_queue() is covered - it is trylock because blk_mq_freeze_queue() are allowed to run concurrently 4) model blk_enter_queue() & bio_enter_queue() as acquire_read() - nested blk_enter_queue() are allowed - dependency with blk_mq_freeze_queue() is covered - blk_queue_exit() is often called from other contexts(such as irq), and it can't be annotated as lock_release(), so simply do it in blk_enter_queue(), this way still covered cases as many as possible With lockdep support, such kind of reports may be reported asap and needn't wait until the real deadlock is triggered. For example, lockdep report can be triggered in the report[3] with this patch applied. [1] occasional block layer hang when setting 'echo noop > /sys/block/sda/queue/scheduler' https://bugzilla.kernel.org/show_bug.cgi?id=219166 [2] del_gendisk() vs blk_queue_enter() race condition https://lore.kernel.org/linux-block/20241003085610.GK11458@google.com/ [3] queue_freeze & queue_enter deadlock in scsi https://lore.kernel.org/linux-block/ZxG38G9BuFdBpBHZ@fedora/T/#u Reviewed-by: Christoph Hellwig Signed-off-by: Ming Lei Link: https://lore.kernel.org/r/20241025003722.3630252-4-ming.lei@redhat.com Signed-off-by: Jens Axboe block/blk-core.c | 18 ++++++++++++++++-- block/blk-mq.c | 26 ++++++++++++++++++++++---- block/blk.h | 29 ++++++++++++++++++++++++++--- block/genhd.c | 15 +++++++++++---- include/linux/blkdev.h | 6 ++++++ 5 files changed, 81 insertions(+), 13 deletions(-) accumulated error probability: 0.00 culprit signature: d4d25de8b465d9e3b3fc3ba7798873538eb73ad5963b524f45614123aa765819 parent signature: e1551d19f5c13904706cb45fd9f1fd1874733976e3c2a34cd80d70386e85de1e revisions tested: 22, total time: 6h20m6.469167445s (build: 3h29m13.700606185s, test: 2h23m8.355360021s) first bad commit: f1be1788a32e8fa63416ad4518bbd1a85a825c9d block: model freeze & enter queue as lock for supporting lockdep recipients (to): ["axboe@kernel.dk" "hch@lst.de" "ming.lei@redhat.com"] recipients (cc): [] crash: WARNING: bad unlock balance in blk_mq_update_tag_set_shared ===================================== WARNING: bad unlock balance detected! 6.12.0-rc4-syzkaller #0 Not tainted ------------------------------------- kworker/1:4/5038 is trying to release lock (&q->q_usage_counter(queue)) at: [] blk_mq_update_tag_set_shared+0x66/0x140 block/blk-mq.c:4131 but there are no more locks to release! other info that might help us debug this: 7 locks held by kworker/1:4/5038: #0: ffff888100ea0348 ((wq_completion)usb_hub_wq){+.+.}-{0:0} , at: process_one_work kernel/workqueue.c:3204 [inline] , at: process_scheduled_works+0x246/0x5c0 kernel/workqueue.c:3310 #1: ffffc90001a63e58 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline] #1: ffffc90001a63e58 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_scheduled_works+0x266/0x5c0 kernel/workqueue.c:3310 #2: ffff88810beb1990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #2: ffff88810beb1990 (&dev->mutex){....}-{3:3}, at: hub_event+0x7e/0x1b20 drivers/usb/core/hub.c:5849 #3: ffff888179349190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff888179349190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x80/0x290 drivers/usb/core/hub.c:2295 #4: ffff88817934f160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline] (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline] (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0x47/0x2a0 drivers/base/dd.c:1293 #5: ffff888176b2a0e0 (&shost->scan_mutex){+.+.}-{3:3}, at: scsi_remove_host+0x18/0x180 drivers/scsi/hosts.c:169 #6: ffff888176b2a2d0 (&set->tag_list_lock){+.+.}-{3:3}, at: blk_mq_del_queue_tag_set block/blk-mq.c:4139 [inline] #6: ffff888176b2a2d0 (&set->tag_list_lock){+.+.}-{3:3}, at: blk_mq_exit_queue+0xa0/0x150 block/blk-mq.c:4461 stack backtrace: CPU: 1 UID: 0 PID: 5038 Comm: kworker/1:4 Not tainted 6.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xa3/0x100 lib/dump_stack.c:120 print_unlock_imbalance_bug+0x182/0x1a0 kernel/locking/lockdep.c:5263 __lock_release kernel/locking/lockdep.c:5502 [inline] lock_release+0x1dc/0x2d0 kernel/locking/lockdep.c:5846 blk_unfreeze_release_lock block/blk.h:745 [inline] blk_mq_unfreeze_queue+0x6b/0x80 block/blk-mq.c:213 blk_mq_update_tag_set_shared+0x66/0x140 block/blk-mq.c:4131 blk_mq_del_queue_tag_set block/blk-mq.c:4145 [inline] blk_mq_exit_queue+0x10e/0x150 block/blk-mq.c:4461 blk_mq_destroy_queue+0xb0/0xe0 block/blk-mq.c:4284 __scsi_remove_device+0xe9/0x170 drivers/scsi/scsi_sysfs.c:1512 scsi_forget_host+0x3f/0x50 drivers/scsi/scsi_scan.c:2068 scsi_remove_host+0x84/0x180 drivers/scsi/hosts.c:181 quiesce_and_remove_host drivers/usb/storage/usb.c:949 [inline] usb_stor_disconnect+0x6a/0xb0 drivers/usb/storage/usb.c:1178 usb_unbind_interface+0xcd/0x250 drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1273 [inline] device_release_driver_internal+0x1a4/0x2a0 drivers/base/dd.c:1296 bus_remove_device+0x147/0x190 drivers/base/bus.c:576 device_del+0x222/0x350 drivers/base/core.c:3864 usb_disable_device+0x78/0x1f0 drivers/usb/core/message.c:1418 usb_disconnect+0xfc/0x290 drivers/usb/core/hub.c:2304 hub_port_connect drivers/usb/core/hub.c:5361 [inline] hub_port_connect_change drivers/usb/core/hub.c:5661 [inline] port_event drivers/usb/core/hub.c:5821 [inline] hub_event+0xc2f/0x1b20 drivers/usb/core/hub.c:5903 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x2ab/0x5c0 kernel/workqueue.c:3310 worker_thread+0x23e/0x2e0 kernel/workqueue.c:3391 kthread+0xea/0x100 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 usb 1-1: new full-speed USB device number 4 using dummy_hcd usb 1-1: config 0 has an invalid interface number: 189 but max is 0 usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 189 altsetting 0 has an invalid descriptor for endpoint zero, skipping usb 1-1: config 0 interface 189 altsetting 0 has an endpoint descriptor with address 0xE3, changing to 0x83 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x83 has invalid maxpacket 33307, setting to 64 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 usb 1-1: config 0 interface 189 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 2 usb 1-1: New USB device found, idVendor=07b4, idProduct=010a, bcdDevice= 1.02 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? ums-alauda 1-1:0.189: USB Mass Storage device detected scsi host1: usb-storage 1-1:0.189 usb 1-1: USB disconnect, device number 4 usb 1-1: new full-speed USB device number 5 using dummy_hcd usb 1-1: config 0 has an invalid interface number: 189 but max is 0 usb 1-1: config 0 has no interface number 0 usb 1-1: config 0 interface 189 altsetting 0 has an invalid descriptor for endpoint zero, skipping usb 1-1: config 0 interface 189 altsetting 0 has an endpoint descriptor with address 0xE3, changing to 0x83 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0x83 has invalid maxpacket 33307, setting to 64 usb 1-1: config 0 interface 189 altsetting 0 endpoint 0xB has invalid wMaxPacketSize 0 usb 1-1: config 0 interface 189 altsetting 0 has 3 endpoint descriptors, different from the interface descriptor's value: 2 usb 1-1: New USB device found, idVendor=07b4, idProduct=010a, bcdDevice= 1.02 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? ums-alauda 1-1:0.189: USB Mass Storage device detected scsi host1: usb-storage 1-1:0.189