ci2 starts bisection 2026-09-07 08:28:55.390064423 +0000 UTC m=+208459.554018744 bisecting fixing commit since fb28aa725e05025101446230b14b1defe4c66666 building syzkaller on 9451e17ec45e2d8a77487269d360bc27d855a95f ensuring issue is reproducible on original commit fb28aa725e05025101446230b14b1defe4c66666 testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 1dfd6f38febfea60afe418a78d6b0a666deb7f898f1fe492295c55022ce9523f run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: crashed: INFO: task hung in usbdev_open run #6: crashed: INFO: task hung in usbdev_release run #7: crashed: INFO: task hung in usbdev_release run #8: crashed: INFO: task hung in usbdev_release run #9: crashed: INFO: task hung in usbdev_release run #10: crashed: INFO: task hung in usbdev_release run #11: crashed: INFO: task hung in usb_remote_wakeup run #12: crashed: INFO: task hung in usbdev_release run #13: crashed: INFO: task hung in usbdev_release run #14: crashed: INFO: task hung in usbdev_release run #15: crashed: INFO: task hung in usbdev_open run #16: crashed: INFO: task hung in usbdev_release run #17: crashed: INFO: task hung in usb_remote_wakeup run #18: crashed: INFO: task hung in usbdev_release run #19: crashed: INFO: task hung in usb_remote_wakeup representative crash: INFO: task hung in usbdev_release, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: e18182e7f6a909fd8570cc8326c854899ff9d1fde9bbc2fb16b80beb1e598776 run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: crashed: INFO: task hung in usbdev_release run #6: crashed: INFO: task hung in usb_remote_wakeup run #7: crashed: INFO: task hung in usbdev_release run #8: crashed: INFO: task hung in usbdev_release run #9: crashed: INFO: task hung in usbdev_release representative crash: INFO: task hung in usbdev_release, 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=7505 full=9788 leaves diff=2010 split chunks (needed=false): <2010> split chunk #0 of len 2010 into 5 parts testing without sub-chunk 1/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 06c1a371e5d86d075416acbad0d4b00227bb8a4fb84cfa36bbe17074fb9c297f run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: crashed: INFO: task hung in usbdev_release run #6: crashed: INFO: task hung in usbdev_release run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in usbdev_release, types: [HANG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 5478ef0227efda68edd4de87577b09110227d4a955a259a9b33ab8b89042ac02 run #0: ignore: lost connection to test machine run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: crashed: INFO: task hung in usbdev_release run #6: crashed: INFO: task hung in usbdev_release run #7: crashed: INFO: task hung in usbdev_open run #8: OK run #9: OK representative crash: INFO: task hung in usbdev_release, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 2bc09a6b87d403ca7ebc0926a4a099ad953fbb6c0c8bd5da45e31042edbf8002 run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: OK run #6: OK run #7: OK run #8: crashed: INFO: task hung in usbdev_release run #9: OK representative crash: INFO: task hung in usbdev_release, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 8efea952d0b903edf6d367b5391f3441fb1fb376f639e7a67197e05bef4b501d run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_open run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: INFO: task hung in usbdev_release, types: [HANG] testing without sub-chunk 5/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit fb28aa725e05025101446230b14b1defe4c66666 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: ecbaf92d8a58ce05bbfab9fbdaaea40bf67f5c25eb1aa5cffc30ab7e7faadc68 all runs: OK false negative chance: 0.000 minimized to 804 configs; suspects: [AF_RXRPC ATM AX25 BCMA BLK_DEV_ZONED CFG80211 CFG80211_WEXT CRYPTO_842 CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_LZO CRYPTO_ZSTD DLM DRM DRM_ROCKCHIP GENEVE HAMRADIO HID_PANTHERLORD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_SONY HID_THRUSTMASTER HID_ZEROPLUS INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN IP_SCTP ISO9660_FS L2TP MAC80211 MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_RADIO_SUPPORT MEDIA_TEST_SUPPORT MFD_DLN2 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX OCFS2_FS OCFS2_FS_USERSPACE_CLUSTER OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PADATA PAGE_IDLE_FLAG PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PANTHERLORD_FF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PATA_AMD PATA_OLDPIIX PATA_SCH PCCARD PCMCIA PERCPU_STATS PERSISTENT_KEYRINGS PHONET PHY_CPCAP_USB PHY_QCOM_USB_HSIC PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_DEBUG PM_SLEEP_DEBUG PPP PPPOATM PPPOE PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PRISM2_USB PROC_CHILDREN PROC_KCORE PROC_MEM_ALWAYS_FORCE PSI PSTORE_842_COMPRESS PSTORE_LZ4HC_COMPRESS PSTORE_LZ4_COMPRESS PSTORE_LZO_COMPRESS PSTORE_ZSTD_COMPRESS QFMT_V2 QNX4FS_FS QNX6FS_FS QUOTA_NETLINK_INTERFACE QUOTA_TREE RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RC_ATI_REMOTE RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP READ_ONLY_THP_FOR_FS REALTEK_AUTOPM REED_SOLOMON REED_SOLOMON_DEC8 REGMAP_SOUNDWIRE REGULATOR_TWL4030 REISERFS_FS REISERFS_FS_POSIX_ACL REISERFS_FS_SECURITY REISERFS_FS_XATTR REISERFS_PROC_INFO RELAY RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 ROCKCHIP_ANALOGIX_DP ROCKCHIP_CDN_DP ROCKCHIP_DW_HDMI ROCKCHIP_DW_MIPI_DSI ROCKCHIP_INNO_HDMI ROCKCHIP_LVDS ROCKCHIP_VOP ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHEDSTATS SCSI_CONSTANTS SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SCAN_ASYNC SCSI_SPI_ATTRS SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SERIAL_8250_DETECT_IRQ SERIAL_8250_MANY_PORTS SERIAL_8250_RSA SERIO_SERPORT SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_AUDIO_GRAPH_CARD SND_AUDIO_GRAPH_CARD2 SND_BCD2000 SND_BCM2835_SOC_I2S SND_COMPRESS_OFFLOAD SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMAENGINE_PCM SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_ALIGNED_MMIO SND_HDA_CODEC_ANALOG SND_HDA_CODEC_CA0110 SND_HDA_CODEC_CA0132 SND_HDA_CODEC_CIRRUS SND_HDA_CODEC_CMEDIA SND_HDA_CODEC_CONEXANT SND_HDA_CODEC_HDMI SND_HDA_CODEC_REALTEK SND_HDA_CODEC_SI3054 SND_HDA_CODEC_SIGMATEL SND_HDA_CODEC_VIA SND_HDA_COMPONENT SND_HDA_CORE SND_HDA_GENERIC SND_HDA_GENERIC_LEDS SND_HDA_HWDEP SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_TEGRA SND_HRTIMER SND_HWDEP SND_IMX_SOC SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MESON_AIU SND_MESON_AXG_FIFO SND_MESON_AXG_FRDDR SND_MESON_AXG_PDM SND_MESON_AXG_SOUND_CARD SND_MESON_AXG_SPDIFIN SND_MESON_AXG_SPDIFOUT SND_MESON_AXG_TDMIN SND_MESON_AXG_TDMOUT SND_MESON_AXG_TDM_FORMATTER SND_MESON_AXG_TDM_INTERFACE SND_MESON_AXG_TODDR SND_MESON_CARD_UTILS SND_MESON_CODEC_GLUE SND_MESON_G12A_TOACODEC SND_MESON_G12A_TOHDMITX SND_MESON_GX_SOUND_CARD SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCM_ELD SND_PCM_IEC958 SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SIMPLE_CARD SND_SIMPLE_CARD_UTILS SND_SOC SND_SOC_ADAU7002 SND_SOC_AK4613 SND_SOC_APPLE_MCA SND_SOC_APQ8016_SBC SND_SOC_COMPRESS SND_SOC_DA7219 SND_SOC_DMIC SND_SOC_ES7134 SND_SOC_ES7241 SND_SOC_FSL_ASOC_CARD SND_SOC_FSL_ASRC SND_SOC_FSL_AUDMIX SND_SOC_FSL_EASRC SND_SOC_FSL_ESAI SND_SOC_FSL_MICFIL SND_SOC_FSL_SAI SND_SOC_FSL_SPDIF SND_SOC_FSL_SSI SND_SOC_FSL_UTILS SND_SOC_GENERIC_DMAENGINE_PCM SND_SOC_GTM601 SND_SOC_HDMI_CODEC SND_SOC_I2C_AND_SPI SND_SOC_IMX_AUDMIX SND_SOC_IMX_AUDMUX SND_SOC_IMX_PCM_DMA SND_SOC_IMX_SGTL5000 SND_SOC_IMX_SPDIF SND_SOC_LPASS_APQ8016 SND_SOC_LPASS_CDC_DMA SND_SOC_LPASS_CPU SND_SOC_LPASS_HDMI SND_SOC_LPASS_MACRO_COMMON SND_SOC_LPASS_PLATFORM SND_SOC_LPASS_RX_MACRO SND_SOC_LPASS_SC7180 SND_SOC_LPASS_SC7280 SND_SOC_LPASS_TX_MACRO SND_SOC_LPASS_VA_MACRO SND_SOC_LPASS_WSA_MACRO SND_SOC_MAX98357A SND_SOC_MAX98927 SND_SOC_MESON_T9015 SND_SOC_MSM8916_WCD_ANALOG SND_SOC_MSM8916_WCD_DIGITAL SND_SOC_MSM8996 SND_SOC_NAU8822 SND_SOC_PCM3168A SND_SOC_PCM3168A_I2C SND_SOC_QCOM SND_SOC_QCOM_COMMON SND_SOC_QCOM_SDW SND_SOC_QDSP6 SND_SOC_QDSP6_ADM SND_SOC_QDSP6_AFE SND_SOC_QDSP6_AFE_CLOCKS SND_SOC_QDSP6_AFE_DAI SND_SOC_QDSP6_APM SND_SOC_QDSP6_APM_DAI SND_SOC_QDSP6_APM_LPASS_DAI SND_SOC_QDSP6_ASM SND_SOC_QDSP6_ASM_DAI SND_SOC_QDSP6_COMMON SND_SOC_QDSP6_CORE SND_SOC_QDSP6_PRM SND_SOC_QDSP6_PRM_LPASS_CLOCKS SND_SOC_QDSP6_ROUTING SND_SOC_RCAR SND_SOC_RK3399_GRU_SOUND SND_SOC_RL6231 SND_SOC_ROCKCHIP SND_SOC_ROCKCHIP_I2S SND_SOC_ROCKCHIP_RT5645 SND_SOC_ROCKCHIP_SPDIF SND_SOC_RT5514 SND_SOC_RT5514_SPI SND_SOC_RT5645 SND_SOC_RT5659 SND_SOC_RT5663 SND_SOC_RT5682 SND_SOC_RT5682S SND_SOC_RT5682_I2C SND_SOC_RZ SND_SOC_SAMSUNG SND_SOC_SC7180 SND_SOC_SC7280 SND_SOC_SDM845 SND_SOC_SGTL5000 SND_SOC_SIMPLE_AMPLIFIER SND_SOC_SIMPLE_MUX SND_SOC_SM8250 SND_SOC_SPDIF SND_SOC_TAS571X SND_SOC_TEGRA SND_SOC_TEGRA186_ASRC SND_SOC_TEGRA186_DSPK SND_SOC_TEGRA210_ADMAIF SND_SOC_TEGRA210_ADX SND_SOC_TEGRA210_AHUB SND_SOC_TEGRA210_AMX SND_SOC_TEGRA210_DMIC SND_SOC_TEGRA210_I2S SND_SOC_TEGRA210_MIXER SND_SOC_TEGRA210_MVC SND_SOC_TEGRA210_OPE SND_SOC_TEGRA210_SFC SND_SOC_TEGRA_AUDIO_GRAPH_CARD SND_SOC_TLV320AIC31XX SND_SOC_TLV320AIC32X4 SND_SOC_TLV320AIC32X4_I2C SND_SOC_TOPOLOGY SND_SOC_WCD9335 SND_SOC_WCD934X SND_SOC_WCD938X SND_SOC_WCD938X_SDW SND_SOC_WCD_MBHC SND_SOC_WM8524 SND_SOC_WM8904 SND_SOC_WM8960 SND_SOC_WM8962 SND_SOC_WM8978 SND_SOC_WM8994 SND_SOC_WM_HUBS SND_SOC_WSA881X SND_SPI SND_SUN4I_I2S SND_SUN4I_SPDIF SND_SUN50I_CODEC_ANALOG SND_SUN8I_ADDA_PR_REGMAP SND_SUN8I_CODEC SND_SUN8I_CODEC_ANALOG SND_SUPPORT_OLD_API SND_TIMER SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE_QCOM SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI_DLN2 SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STREAM_PARSER SUN_PARTITION SW_SYNC SYN_COOKIES SYSV68_PARTITION SYSV_FS TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TARGET_CORE TCG_CRB TCG_TIS_I2C_INFINEON TCG_TPM TCP_CONG_ADVANCED TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TCP_MD5SIG TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THERMAL_NETLINK THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TOOLS_SUPPORT_RELR TOUCHSCREEN_ATMEL_MXT TOUCHSCREEN_EDT_FT5X06 TOUCHSCREEN_GOODIX TOUCHSCREEN_SUR40 TOUCHSCREEN_USB_3M TOUCHSCREEN_USB_COMPOSITE TOUCHSCREEN_USB_DMC_TSC10 TOUCHSCREEN_USB_E2I TOUCHSCREEN_USB_EASYTOUCH TOUCHSCREEN_USB_EGALAX TOUCHSCREEN_USB_ELO TOUCHSCREEN_USB_ETT_TC45USB TOUCHSCREEN_USB_ETURBO TOUCHSCREEN_USB_GENERAL_TOUCH TOUCHSCREEN_USB_GOTOP TOUCHSCREEN_USB_GUNZE TOUCHSCREEN_USB_IDEALTEK TOUCHSCREEN_USB_IRTOUCH TOUCHSCREEN_USB_ITM TOUCHSCREEN_USB_JASTEC TOUCHSCREEN_USB_NEXIO TOUCHSCREEN_USB_PANJIT TOUCHSCREEN_USB_ZYTRONIC TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_PI3USB30532 TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_UCSI TYPEC_WUSB3801 UBIFS_ATIME_SUPPORT UBIFS_FS UBIFS_FS_ADVANCED_COMPR UBIFS_FS_LZO UBIFS_FS_SECURITY UBIFS_FS_XATTR UBIFS_FS_ZLIB UBIFS_FS_ZSTD UCSI_ACPI UCSI_CCG UCSI_STM32G0 UDF_FS UDMABUF UFS_FS UFS_FS_WRITE UHID ULTRIX_PARTITION UNICODE UNIXWARE_DISKLABEL UNIX_DIAG USB4 USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC USBPCWATCHDOG USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AMD5536UDC USB_AN2720 USB_ANNOUNCE_NEW_DEVICES USB_APPLEDISPLAY USB_ATM USB_C67X00_HCD USB_CATC USB_CDC_PHONET USB_CDNSP_GADGET USB_CDNSP_HOST USB_CDNSP_PCI USB_CHAOSKEY USB_CONFIGFS_F_HID USB_CONFIGFS_F_LB_SS USB_CONFIGFS_F_MIDI 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_PHONET USB_CXACRU USB_CYPRESS_CY7C63 USB_CYTHERM USB_DSBR USB_DUMMY_HCD USB_DWC2_PCI USB_DWC3_GADGET USB_DWC3_ULPI USB_DYNAMIC_MINORS USB_EG20T USB_EHCI_FSL USB_EHSET_TEST_FIXTURE USB_EMI26 USB_EMI62 USB_EPSON2888 USB_EZUSB_FX2 USB_FEW_INIT_RETRIES USB_FOTG210_HCD USB_FOTG210_UDC USB_FTDI_ELAN USB_F_HID USB_F_MIDI USB_F_PHONET USB_F_PRINTER USB_F_SS_LB USB_F_TCM USB_F_UAC1 USB_F_UAC1_LEGACY USB_F_UAC2 USB_F_UVC USB_GADGETFS USB_GADGET_DEBUG_FILES USB_GADGET_DEBUG_FS USB_GL860 USB_GOKU USB_GPIO_VBUS 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_HIDDEV USB_HSIC_USB4604 USB_HSO USB_HUB_USB251XB USB_IDMOUSE USB_IOWARRIOR USB_IPHETH USB_ISIGHTFW USB_ISP116X_HCD USB_ISP1301 USB_KAWETH USB_KC2190 USB_KEENE USB_LCD USB_LD USB_LEDS_TRIGGER_USBPORT USB_LED_TRIG USB_LEGOTOWER USB_LINK_LAYER_TEST USB_M5602 USB_MA901 USB_MAX3420_UDC USB_MAX3421_HCD USB_MDC800 USB_MICROTEK USB_MON USB_MR800 USB_MSI2500 USB_MV_U3D USB_MV_UDC USB_NET2272 USB_NET2272_DMA USB_NET2280 USB_NET_AQC111 USB_NET_CDC_EEM USB_NET_CDC_MBIM USB_NET_CH9200 USB_NET_CX82310_ETH USB_NET_GL620A USB_NET_HUAWEI_CDC_NCM USB_NET_INT51X1 USB_NET_KALMIA USB_NET_QMI_WWAN USB_NET_RNDIS_HOST USB_NET_RNDIS_WLAN USB_NET_SR9700 USB_OTG_FSM USB_OXU210HP_HCD USB_PRINTER 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_S2255 USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE 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_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_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_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_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_REALTEK USB_STORAGE_SDDR09 USB_STORAGE_SDDR55 USB_STORAGE_USBAT USB_STV06XX USB_TEST USB_TMC USB_TRANCEVIBRATOR USB_U132_HCD USB_UAS USB_UEAGLEATM USB_UHCI_HCD USB_USS720 USB_U_AUDIO USB_VL600 USB_WDM USB_XHCI_DBGCAP USB_XUSBATM USB_YUREX USERFAULTFD USERIO U_SERIAL_CONSOLE V4L_TEST_DRIVERS VALIDATE_FS_PARSER VDPA VDPA_SIM VDPA_SIM_BLOCK VDPA_SIM_NET VDPA_USER VHOST VHOST_CROSS_ENDIAN_LEGACY VHOST_IOTLB VHOST_NET VHOST_RING VHOST_VDPA VHOST_VSOCK 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_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_STK1160_COMMON VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_DMA_SHARED_BUFFER VIRTIO_FS VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VXFS_FS VXLAN WCN36XX WEXT_CORE WEXT_PRIV WEXT_PROC WIREGUARD WIRELESS WIRELESS_EXT WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_ATH WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS XDP_SOCKETS XDP_SOCKETS_DIAG XFRM XFRM_AH XFRM_ALGO XFRM_ESP XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER XFS_FS XFS_ONLINE_REPAIR XFS_ONLINE_SCRUB XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB ZBUD ZEROPLUS_FF ZISOFS ZONEFS_FS ZPOOL ZRAM ZRAM_DEF_COMP_LZORLE ZSMALLOC ZSWAP ZSWAP_COMPRESSOR_DEFAULT_LZO ZSWAP_DEFAULT_ON ZSWAP_ZPOOL_DEFAULT_ZBUD] disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed testing current HEAD cf82dcca96346600c7068cf3f841335f9fa08f54 testing commit cf82dcca96346600c7068cf3f841335f9fa08f54 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 30bfc38b5d7e3a75fc4bebe5b1cdb2fbc9c60be24e9dee1ff616b9629142e056 run #0: crashed: INFO: task hung in usbdev_release run #1: crashed: INFO: task hung in usbdev_release run #2: crashed: INFO: task hung in usbdev_release run #3: crashed: INFO: task hung in usbdev_release run #4: crashed: INFO: task hung in usbdev_release run #5: crashed: INFO: task hung in usbdev_open run #6: crashed: INFO: task hung in usbdev_release run #7: crashed: INFO: task hung in usb_remote_wakeup run #8: crashed: INFO: task hung in usbdev_open run #9: crashed: INFO: task hung in usbdev_release run #10: crashed: INFO: task hung in usbdev_release run #11: crashed: INFO: task hung in usbdev_release run #12: crashed: INFO: task hung in usbdev_release run #13: crashed: INFO: task hung in usb_remote_wakeup run #14: crashed: INFO: task hung in usbdev_open run #15: crashed: INFO: task hung in usbdev_release run #16: crashed: INFO: task hung in usbdev_release run #17: OK run #18: OK run #19: OK representative crash: INFO: task hung in usbdev_release, types: [HANG] crash still not fixed/happens on the oldest tested release reproducer is flaky (0.60 repro chance estimate) revisions tested: 8, total time: 3h0m43.093307781s (build: 1h18m10.83829529s, test: 1h30m5.680041505s) crash still not fixed or there were kernel test errors commit msg: Linux 6.1.187 crash: INFO: task hung in usbdev_release INFO: task syz.0.17:5062 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.17 state:D stack:0 pid:5062 ppid:4153 flags:0x00000001 Call trace: __switch_to+0x150/0x1e0 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0x558/0x830 kernel/sched/core.c:6563 schedule+0x58/0xe0 kernel/sched/core.c:6639 schedule_preempt_disabled+0x4c/0x68 kernel/sched/core.c:6698 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x424/0x714 kernel/locking/mutex.c:747 mutex_lock_nested+0x30/0x3c kernel/locking/mutex.c:799 device_lock include/linux/device.h:885 [inline] usbdev_release+0x30/0x268 drivers/usb/core/devio.c:1097 __fput+0x7c/0x258 fs/file_table.c:320 ____fput+0x10/0x1c fs/file_table.c:348 task_work_run+0xac/0xcc kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0xa50/0xe98 arch/arm64/kernel/signal.c:1151 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x60/0xc4 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.6.47:5068 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.6.47 state:D stack:0 pid:5068 ppid:4149 flags:0x00000001 Call trace: __switch_to+0x150/0x1e0 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0x558/0x830 kernel/sched/core.c:6563 schedule+0x58/0xe0 kernel/sched/core.c:6639 schedule_preempt_disabled+0x4c/0x68 kernel/sched/core.c:6698 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x424/0x714 kernel/locking/mutex.c:747 mutex_lock_nested+0x30/0x3c kernel/locking/mutex.c:799 device_lock include/linux/device.h:885 [inline] usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 chrdev_open+0xb4/0x228 fs/char_dev.c:414 do_dentry_open+0x280/0x484 fs/open.c:882 vfs_open+0x2c/0x38 fs/open.c:1015 do_open fs/namei.c:3677 [inline] path_openat+0x9cc/0xba8 fs/namei.c:3834 do_filp_open+0xb0/0x154 fs/namei.c:3861 do_sys_openat2+0x84/0x17c fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x70/0x98 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x40/0xdc arch/arm64/kernel/syscall.c:52 el0_svc_common+0xb0/0xe8 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x24/0x80 arch/arm64/kernel/syscall.c:204 el0_svc+0x34/0xc4 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.2.48:5069 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.48 state:D stack:0 pid:5069 ppid:4158 flags:0x00000009 Call trace: __switch_to+0x150/0x1e0 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0x558/0x830 kernel/sched/core.c:6563 schedule+0x58/0xe0 kernel/sched/core.c:6639 schedule_preempt_disabled+0x4c/0x68 kernel/sched/core.c:6698 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x424/0x714 kernel/locking/mutex.c:747 mutex_lock_nested+0x30/0x3c kernel/locking/mutex.c:799 device_lock include/linux/device.h:885 [inline] usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 chrdev_open+0xb4/0x228 fs/char_dev.c:414 do_dentry_open+0x280/0x484 fs/open.c:882 vfs_open+0x2c/0x38 fs/open.c:1015 do_open fs/namei.c:3677 [inline] path_openat+0x9cc/0xba8 fs/namei.c:3834 do_filp_open+0xb0/0x154 fs/namei.c:3861 do_sys_openat2+0x84/0x17c fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x70/0x98 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x40/0xdc arch/arm64/kernel/syscall.c:52 el0_svc_common+0xb0/0xe8 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x24/0x80 arch/arm64/kernel/syscall.c:204 el0_svc+0x34/0xc4 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.5.49:5073 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.5.49 state:D stack:0 pid:5073 ppid:4156 flags:0x00000001 Call trace: __switch_to+0x150/0x1e0 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0x558/0x830 kernel/sched/core.c:6563 schedule+0x58/0xe0 kernel/sched/core.c:6639 schedule_preempt_disabled+0x4c/0x68 kernel/sched/core.c:6698 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x424/0x714 kernel/locking/mutex.c:747 mutex_lock_nested+0x30/0x3c kernel/locking/mutex.c:799 device_lock include/linux/device.h:885 [inline] usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 chrdev_open+0xb4/0x228 fs/char_dev.c:414 do_dentry_open+0x280/0x484 fs/open.c:882 vfs_open+0x2c/0x38 fs/open.c:1015 do_open fs/namei.c:3677 [inline] path_openat+0x9cc/0xba8 fs/namei.c:3834 do_filp_open+0xb0/0x154 fs/namei.c:3861 do_sys_openat2+0x84/0x17c fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x70/0x98 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x40/0xdc arch/arm64/kernel/syscall.c:52 el0_svc_common+0xb0/0xe8 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x24/0x80 arch/arm64/kernel/syscall.c:204 el0_svc+0x34/0xc4 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 INFO: task syz.4.50:5072 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.50 state:D stack:0 pid:5072 ppid:4162 flags:0x00000001 Call trace: __switch_to+0x150/0x1e0 arch/arm64/kernel/process.c:555 context_switch kernel/sched/core.c:5246 [inline] __schedule+0x558/0x830 kernel/sched/core.c:6563 schedule+0x58/0xe0 kernel/sched/core.c:6639 schedule_preempt_disabled+0x4c/0x68 kernel/sched/core.c:6698 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0x424/0x714 kernel/locking/mutex.c:747 mutex_lock_nested+0x30/0x3c kernel/locking/mutex.c:799 device_lock include/linux/device.h:885 [inline] usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 chrdev_open+0xb4/0x228 fs/char_dev.c:414 do_dentry_open+0x280/0x484 fs/open.c:882 vfs_open+0x2c/0x38 fs/open.c:1015 do_open fs/namei.c:3677 [inline] path_openat+0x9cc/0xba8 fs/namei.c:3834 do_filp_open+0xb0/0x154 fs/namei.c:3861 do_sys_openat2+0x84/0x17c fs/open.c:1320 do_sys_open fs/open.c:1336 [inline] __do_sys_openat fs/open.c:1352 [inline] __se_sys_openat fs/open.c:1347 [inline] __arm64_sys_openat+0x70/0x98 fs/open.c:1347 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x40/0xdc arch/arm64/kernel/syscall.c:52 el0_svc_common+0xb0/0xe8 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x24/0x80 arch/arm64/kernel/syscall.c:204 el0_svc+0x34/0xc4 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffff80000bcb7810 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:517 [inline] #0: ffff80000bcb7810 (rcu_tasks.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x9c/0x3d0 kernel/rcu/tasks.h:562 1 lock held by rcu_tasks_trace/13: #0: ffff80000bcb7e38 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_one_gp kernel/rcu/tasks.h:517 [inline] #0: ffff80000bcb7e38 (rcu_tasks_trace.tasks_gp_mutex){....}-{3:3}, at: rcu_tasks_kthread+0x9c/0x3d0 kernel/rcu/tasks.h:562 1 lock held by khungtaskd/28: #0: ffff80000bcb7698 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x4/0x40 include/linux/rcupdate.h:349 2 locks held by getty/3376: #0: ffff0000c7623098 (&tty->ldisc_sem){....}-{0:0}, at: ldsem_down_read+0x18/0x24 drivers/tty/tty_ldsem.c:340 #1: ffff8000171362f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x100/0x5a8 drivers/tty/n_tty.c:2198 5 locks held by kworker/0:6/3874: #0: ffff0000c01b7938 ((wq_completion)usb_hub_wq){....}-{0:0}, at: process_one_work+0x190/0x3a0 kernel/workqueue.c:2265 #1: ffff800011d5bd90 ((work_completion)(&hub->events)){....}-{0:0}, at: process_one_work+0x1bc/0x3a0 kernel/workqueue.c:2267 #2: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #2: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: hub_event+0x58/0x18f0 drivers/usb/core/hub.c:5850 #3: ffff0000c4100d18 (&port_dev->status_lock){....}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3205 [inline] #3: ffff0000c4100d18 (&port_dev->status_lock){....}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline] #3: ffff0000c4100d18 (&port_dev->status_lock){....}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] #3: ffff0000c4100d18 (&port_dev->status_lock){....}-{3:3}, at: port_event drivers/usb/core/hub.c:5822 [inline] #3: ffff0000c4100d18 (&port_dev->status_lock){....}-{3:3}, at: hub_event+0xbd0/0x18f0 drivers/usb/core/hub.c:5904 #4: ffff0000c5b94868 (hcd->address0_mutex){....}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline] #4: ffff0000c5b94868 (hcd->address0_mutex){....}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] #4: ffff0000c5b94868 (hcd->address0_mutex){....}-{3:3}, at: port_event drivers/usb/core/hub.c:5822 [inline] #4: ffff0000c5b94868 (hcd->address0_mutex){....}-{3:3}, at: hub_event+0xbe0/0x18f0 drivers/usb/core/hub.c:5904 1 lock held by syz.0.17/5062: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_release+0x30/0x268 drivers/usb/core/devio.c:1097 1 lock held by syz.6.47/5068: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.2.48/5069: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.5.49/5073: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.4.50/5072: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.1.55/5870: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.8.52/5872: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.7.51/5876: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.3.54/5886: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.9.53/5891: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.0.56/6653: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.5.59/6662: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.4.60/6673: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.2.58/6687: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.6.57/6702: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.8.62/7469: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.1.65/7480: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.7.61/7497: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.3.64/7502: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.9.63/7513: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.2.68/8294: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.5.69/8298: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.0.66/8309: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.6.67/8313: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.4.70/8324: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.8.72/9102: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.7.71/9114: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.1.75/9122: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.3.74/9130: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.9.73/9135: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.2.78/9926: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.5.79/9934: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.4.80/9936: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.0.76/9942: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.6.77/9946: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.3.84/10723: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.1.85/10729: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.8.82/10744: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.7.81/10749: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.9.83/10758: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.0.86/11514: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.4.90/11550: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.6.87/11557: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.2.88/11565: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.5.89/11568: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.1.95/12356: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.7.91/12354: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.3.94/12371: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.8.92/12374: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 1 lock held by syz.9.93/12380: #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline] #0: ffff0000c5aae990 (&dev->mutex){....}-{3:3}, at: usbdev_open+0xa4/0x2c8 drivers/usb/core/devio.c:1052 =============================================