ci starts bisection 2025-08-31 14:45:41.212159632 +0000 UTC m=+138820.506666314
bisecting cause commit starting from 11e7861d680c3757eab18ec0a474ff680e007dc4
building syzkaller on 807a3b61ca22f8988561c180eb47268ea6e244db
ensuring issue is reproducible on original commit 11e7861d680c3757eab18ec0a474ff680e007dc4

testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: b92fe5dc5e23f72132c9e3a48b99858b26f1263d2d5720020b9fe2c25c82928e
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
check whether we can drop unnecessary instrumentation
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4b6e0e24ce58d04c847af9b6abf4f60eb5f7a63f1775952fdfafe5016ee18575
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
the bug reproduces without the instrumentation
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
kconfig minimization: base=4093 full=8498 leaves diff=2189
split chunks (needed=false): <2189>
split chunk #0 of len 2189 into 5 parts
testing without sub-chunk 1/5
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: a93c1c7a9320ffa7441d03615ebd8bf9c29d8f9e1ddcd9af1d59852b3517e709
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
the chunk can be dropped
testing without sub-chunk 2/5
disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1cfeefd07bcde311cfebf8e4bd0544a53160c771afd9ebbe47431bffeb80489f
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4721e5cf1905f33855f7c0f9c03904dac295f00255333e44a86b0faa31d60548
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 791c2cc744e637704e7122087230ce5d35cbb15ee36b054816f4027aa64eab2d
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed
testing commit 11e7861d680c3757eab18ec0a474ff680e007dc4 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 9485c1435ce4765634079dd08f74ea4c68a3efa6b86a411be926cf5d4e2ce16e
all runs: OK
false negative chance: 0.000
minimized to 437 configs; suspects: [ARCH_ENABLE_MEMORY_HOTREMOVE ATM BCMA BLK_DEV_ZONED BPF_SYSCALL CARDBUS CFG80211 CFG80211_WEXT CMA COMMON_CLK CONTIG_ALLOC DVB_CORE EXTCON GPIOLIB HID_ZEROPLUS I2C_MUX IIO IOMMUFD IRQ_REMAP KVM KVM_INTEL LIBNVDIMM MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT 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_VIPERBOARD NOP_USB_XCEIV PARPORT PCCARD PCMCIA PHONET RADIO_ADAPTERS RADIO_SI470X RADIO_SI4713 RC_CORE RFKILL SND SOUND SPI SSB TAP TARGET_CORE TUN USBPCWATCHDOG USB_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_ATM USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNS2_UDC USB_CDNS3 USB_CDNS3_GADGET USB_CDNS3_HOST USB_CDNS3_PCI_WRAP USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CDNS_HOST USB_CDNS_SUPPORT USB_CHAOSKEY USB_CHIPIDEA USB_CHIPIDEA_GENERIC USB_CHIPIDEA_HOST USB_CHIPIDEA_MSM USB_CHIPIDEA_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 USB_CONFIGFS_F_TCM USB_CONFIGFS_F_UAC1 USB_CONFIGFS_F_UAC1_LEGACY USB_CONFIGFS_F_UAC2 USB_CONFIGFS_F_UVC USB_CONFIGFS_MASS_STORAGE USB_CONFIGFS_NCM USB_CONFIGFS_OBEX USB_CONFIGFS_PHONET USB_CONFIGFS_RNDIS USB_CONFIGFS_SERIAL USB_CONN_GPIO USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2 USB_DWC2_HOST USB_DWC2_PCI USB_DWC3 USB_DWC3_GADGET USB_DWC3_HAPS USB_DWC3_OF_SIMPLE USB_DWC3_PCI USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHCI_HCD_PLATFORM USB_EHCI_ROOT_HUB_TT USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_F_ACM USB_F_ECM USB_F_EEM USB_F_FS USB_F_HID USB_F_MASS_STORAGE USB_F_MIDI USB_F_MIDI2 USB_F_NCM USB_F_OBEX USB_F_PHONET USB_F_PRINTER USB_F_RNDIS USB_F_SERIAL USB_F_SS_LB USB_F_SUBSET USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGET USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GR_UDC USB_GSPCA USB_GSPCA_BENQ USB_GSPCA_CONEX USB_GSPCA_CPIA1 USB_GSPCA_DTCS033 USB_GSPCA_ETOMS USB_GSPCA_FINEPIX USB_GSPCA_JEILINJ USB_GSPCA_JL2005BCD USB_GSPCA_KINECT USB_GSPCA_KONICA USB_GSPCA_MARS USB_GSPCA_MR97310A USB_GSPCA_NW80X USB_GSPCA_OV519 USB_GSPCA_OV534 USB_GSPCA_OV534_9 USB_GSPCA_PAC207 USB_GSPCA_PAC7302 USB_GSPCA_PAC7311 USB_GSPCA_SE401 USB_GSPCA_SN9C2028 USB_GSPCA_SN9C20X USB_GSPCA_SONIXB USB_GSPCA_SONIXJ USB_GSPCA_SPCA1528 USB_GSPCA_SPCA500 USB_GSPCA_SPCA501 USB_GSPCA_SPCA505 USB_GSPCA_SPCA506 USB_GSPCA_SPCA508 USB_GSPCA_SPCA561 USB_GSPCA_SQ905 USB_GSPCA_SQ905C USB_GSPCA_SQ930X USB_GSPCA_STK014 USB_GSPCA_STK1135 USB_GSPCA_STV0680 USB_GSPCA_SUNPLUS USB_GSPCA_T613 USB_GSPCA_TOPRO USB_GSPCA_TOUPTEK USB_GSPCA_TV8532 USB_GSPCA_VC032X USB_GSPCA_VICAM USB_GSPCA_XIRLINK_CIT USB_GSPCA_ZC3XX USB_HACKRF USB_HCD_BCMA USB_HCD_SSB USB_HSIC_USB3503 USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_ISP1760 USB_ISP1760_DUAL_ROLE USB_ISP1760_HCD USB_ISP1761_UDC USB_KAWETH USB_KC2190 USB_KEENE USB_LAN78XX USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LGM_PHY USB_LIBCOMPOSITE USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MR800 USB_MSI2500 USB_MUSB_DUAL_ROLE USB_MUSB_HDRC USB_NET2280 USB_NET_AQC111 USB_NET_AX88179_178A USB_NET_AX8817X USB_NET_CDCETHER USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CDC_NCM USB_NET_CDC_SUBSET USB_NET_CDC_SUBSET_ENABLE USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_DM9601 USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_MCS7830 USB_NET_NET1080 USB_NET_PLUSB USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_SMSC75XX USB_NET_SMSC95XX USB_NET_SR9700 USB_NET_SR9800 USB_NET_ZAURUS USB_OHCI_HCD_PLATFORM USB_OTG USB_OTG_FSM USB_OXU210HP_HCD USB_PEGASUS USB_PULSE8_CEC USB_PWC USB_PWC_INPUT_EVDEV USB_PXA27X USB_R8A66597 USB_R8A66597_HCD USB_RAINSHADOW_CEC USB_RAREMONO USB_RAW_GADGET 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 USER_RETURN_NOTIFIER UVC_COMMON U_SERIAL_CONSOLE V4L2_ASYNC V4L2_FWNODE 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_VIRQFD VGASTATE VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_ENABLE_FORK_OWNER_CONTROL 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_CAMERA_LENS 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_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 WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_SILABS X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK 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 ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS 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_ZSMALLOC]
disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed
picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 7b9226a2c9bd8916a86b98ae77063579c38d8a3bd6fe4a234d79be8419e43fc4
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
testing release v6.15
testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f152d6e9022806a9a5367d955d9ac4dcf4e515d4b1e81232e98390dd88ff8594
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
testing release v6.14
testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0e905e291f6d7c0c69ec506babff6e0a9fc1e5835dd476e1eeb8fe586025d32d
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
testing release v6.12
testing commit adc218676eef25575469234709c2d87185ca223a gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 4333b088bb6620808a69db33294b3dcb515226951391b58d931eb6a6adf04ee9
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
testing release v6.10
testing commit 0c3836482481200ead7b416ca80c68a29cfdaabd gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: f61d114000fc2a0d5de708466295a14eac056d32dd94c00caaebe42144a462c0
all runs: crashed: INFO: task hung in __vhost_worker_flush
representative crash: INFO: task hung in __vhost_worker_flush, types: [HANG]
testing release v6.8
testing commit e8f897f4afef0031fe618a8e94127a0934896aba gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e3b4f959ece91798315d143d61e0aa54851023a4e90740094440cc61af1354c3
all runs: crashed: INFO: task hung in vhost_worker_flush
representative crash: INFO: task hung in vhost_worker_flush, types: [HANG]
testing release v6.6
testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: e2979c0f9152616f8f7b350f3924c6692f6848c677c011bc305d47c04b550baf
all runs: crashed: INFO: task hung in vhost_worker_flush
representative crash: INFO: task hung in vhost_worker_flush, types: [HANG]
testing release v6.4
testing commit 6995e2de6891c724bfeb2db33d7b87775f913ad1 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 0fbad718068eb87c5efded56e267f814199ce8e07719f9f1619236305d5de0a3
all runs: crashed: INFO: task hung in vhost_dev_flush
representative crash: INFO: task hung in vhost_dev_flush, types: [HANG]
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 93abf4065a0710d76468a482e20eb8f7c4d7b69a044ba6080b6878bbe88f5b4d
all runs: OK
false negative chance: 0.000
# git bisect start 6995e2de6891c724bfeb2db33d7b87775f913ad1 830b3c68c1fb1e9176028d02ef86f3cf76aa2476
Bisecting: 24905 revisions left to test after this (roughly 15 steps)
[307e14c039063f0c9bd7a18a7add8f940580dcc9] Merge tag '6.3-rc-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

testing commit 307e14c039063f0c9bd7a18a7add8f940580dcc9 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: ed5fa31dc07ce7815186bba75fbc0a88ae17a446c30c11cbc22076e4570056d8
all runs: OK
false negative chance: 0.000
# git bisect good 307e14c039063f0c9bd7a18a7add8f940580dcc9
Bisecting: 12667 revisions left to test after this (roughly 14 steps)
[c8cc58e289ed3b5bc50258f52776cf3dfa3bad66] Merge tag 'drm-next-2023-04-24' of git://anongit.freedesktop.org/drm/drm

testing commit c8cc58e289ed3b5bc50258f52776cf3dfa3bad66 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 1533655d4a481a170feebaa5c97100151d8855fb6dc1c2c560d74f86113c1dce
all runs: OK
false negative chance: 0.000
# git bisect good c8cc58e289ed3b5bc50258f52776cf3dfa3bad66
Bisecting: 6332 revisions left to test after this (roughly 13 steps)
[556eb8b79190151506187bf0b16dda423c34d9a8] Merge tag 'driver-core-6.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

testing commit 556eb8b79190151506187bf0b16dda423c34d9a8 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: dfb7dcde9685655b9948b7e73c0fa54429b518035b68a2114e3a26f06947210a
all runs: OK
false negative chance: 0.000
# git bisect good 556eb8b79190151506187bf0b16dda423c34d9a8
Bisecting: 3133 revisions left to test after this (roughly 12 steps)
[54bdf8a39931cf8fe2c74432e715353d9a1c1107] Merge tag 'phy-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy

testing commit 54bdf8a39931cf8fe2c74432e715353d9a1c1107 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 858bf9141f0e53743cc23c666d38a16b37cd67d71f227d01206924296c1b3a31
all runs: OK
false negative chance: 0.000
# git bisect good 54bdf8a39931cf8fe2c74432e715353d9a1c1107
Bisecting: 1580 revisions left to test after this (roughly 11 steps)
[4927cb98f0eeaa5dbeac882e8372f4b16dc62624] Merge tag 'powerpc-6.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

testing commit 4927cb98f0eeaa5dbeac882e8372f4b16dc62624 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 69492cd7517f9f594fe4486a93644e9e2f63d758d6e5716097787b9c2e2d05df
all runs: OK
false negative chance: 0.000
# git bisect good 4927cb98f0eeaa5dbeac882e8372f4b16dc62624
Bisecting: 795 revisions left to test after this (roughly 10 steps)
[986c34b495810b38f365bb71665b77de60f15b2c] Merge tag 'drm-msm-fixes-2023-06-08' of https://gitlab.freedesktop.org/drm/msm into drm-fixes

testing commit 986c34b495810b38f365bb71665b77de60f15b2c gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 6fb702d35b80f3e86c127ec8e6862d4d13489a5673026333e5c788f42e0c481c
all runs: crashed: INFO: task hung in vhost_dev_flush
representative crash: INFO: task hung in vhost_dev_flush, types: [HANG]
# git bisect bad 986c34b495810b38f365bb71665b77de60f15b2c
Bisecting: 392 revisions left to test after this (roughly 9 steps)
[7a6c8e512fa072cfe8ad7a3b26666b6f26435870] Merge tag 'v6.4-p3' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

testing commit 7a6c8e512fa072cfe8ad7a3b26666b6f26435870 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 8f02017182e01cf7943db793520a2c1ad0846acff8ad3f6ecf771840cea34902
all runs: OK
false negative chance: 0.000
# git bisect good 7a6c8e512fa072cfe8ad7a3b26666b6f26435870
Bisecting: 202 revisions left to test after this (roughly 8 steps)
[1419c3ba31446feecb728f49820ff2730d6deaed] Merge tag 'selinux-pr-20230601' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

testing commit 1419c3ba31446feecb728f49820ff2730d6deaed gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 2a8ac2d7eb2f668d0e5bca6f4df040324e9a478e2e037bcb874d6ef56f2a58f1
all runs: crashed: INFO: task hung in vhost_dev_flush
representative crash: INFO: task hung in vhost_dev_flush, types: [HANG]
# git bisect bad 1419c3ba31446feecb728f49820ff2730d6deaed
Bisecting: 105 revisions left to test after this (roughly 7 steps)
[f9010dbdce911ee1f1af1398a24b1f9f992e0080] fork, vhost: Use CLONE_THREAD to fix freezer/ps regression

testing commit f9010dbdce911ee1f1af1398a24b1f9f992e0080 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 89d1bbc221d76740b3984fa56255b12771c54d9fe08e8082993ac6cdfa0afa9f
all runs: crashed: INFO: task hung in vhost_dev_flush
representative crash: INFO: task hung in vhost_dev_flush, types: [HANG]
# git bisect bad f9010dbdce911ee1f1af1398a24b1f9f992e0080
Bisecting: 41 revisions left to test after this (roughly 5 steps)
[fd2186d1c708fa0ec64291da5aa6b26fb44197c3] Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

testing commit fd2186d1c708fa0ec64291da5aa6b26fb44197c3 gcc
compiler: gcc (Debian 12.2.0-14+deb12u1) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
kernel signature: 61b33795cca982e47c66d4cbd46d383f9a9f1b0b8e487df865e0de66404d535b
all runs: OK
false negative chance: 0.000
# git bisect good fd2186d1c708fa0ec64291da5aa6b26fb44197c3
Bisecting: 21 revisions left to test after this (roughly 4 steps)
[929ed21dfdb6ee94391db51c9eedb63314ef6847] Merge tag '6.4-rc4-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6

revisions tested: 26, total time: 12h11m1.536967081s (build: 6h58m4.622052528s, test: 4h45m50.447529476s)
error: bisection is taking too long (>12h0m0s), aborting