ci2 starts bisection 2025-09-20 20:55:15.015723517 +0000 UTC m=+125583.417844650 bisecting fixing commit since fb4d33ab452ea254e2c319bac5703d1b56d895bf building syzkaller on ed3e87f71e79614f39e963e510c1e594d35a2ea2 ensuring issue is reproducible on original commit fb4d33ab452ea254e2c319bac5703d1b56d895bf testing commit fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: cc0ea4ba010752e1a1c90439cf7308a01f37ceb7e75855ecb21b7bfb1fccebf6 run #0: crashed: INFO: task hung in uhid_char_release run #1: crashed: INFO: task hung in uhid_char_release run #2: crashed: INFO: task hung in uhid_char_release run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: task hung in uhid_char_release run #5: crashed: INFO: task hung in uhid_char_release run #6: crashed: INFO: task hung in uhid_char_release run #7: crashed: INFO: task hung in uhid_char_release run #8: crashed: INFO: task hung in uhid_char_release run #9: crashed: INFO: task hung in corrupted run #10: crashed: INFO: task hung in uhid_char_release run #11: crashed: INFO: task hung in uhid_char_release run #12: crashed: INFO: task hung in uhid_char_release run #13: crashed: INFO: task hung in uhid_char_release run #14: crashed: INFO: task hung in uhid_char_release run #15: crashed: INFO: task hung in exit_to_user_mode_loop run #16: crashed: INFO: task hung in uhid_char_release run #17: crashed: INFO: task hung in uhid_char_release run #18: crashed: INFO: task hung in uhid_char_release run #19: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_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 fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8c05c08f19665f7580e23a6e8919d754d6b63b6e6554681115ea1fc7db0a0ee5 run #0: crashed: INFO: task hung in uhid_char_release run #1: crashed: INFO: task hung in uhid_char_release run #2: crashed: INFO: task hung in uhid_char_release run #3: crashed: INFO: task hung in uhid_char_release run #4: crashed: INFO: task hung in uhid_char_release run #5: crashed: INFO: task hung in uhid_char_release run #6: crashed: INFO: task hung in uhid_char_release run #7: crashed: INFO: task hung in corrupted run #8: crashed: INFO: task hung in uhid_char_release run #9: crashed: INFO: task hung in __fput representative crash: INFO: task hung in uhid_char_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=4092 full=8356 leaves diff=2123 split chunks (needed=false): <2123> split chunk #0 of len 2123 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 fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: cba7e961316b63462d90127e98bad5853fb509a7be47145cfbd332c88d26195b all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_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 fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 593847a1f524d584b60bfa15620a929323436c0eac27cf872ced3683b0850c86 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, 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 fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d13b3b5f8acc075ca121cfd4bb81956eb9c21054bd157a96587778fc3da4a8e8 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [locking atomic_sleep memleak ubsan bug_or_warning kasan], they are not needed testing commit fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e6f287151ab531d230a64b8c1d62937932cdd813ed31e66c689480d778020f0b all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed testing commit fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0f5faaf65829dbf9342f12a11258258e01865e487472ed11f2d0db2ab0fb41a9 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] the chunk can be dropped minimized to 425 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DLM DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IP_SCTP L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX NFS_V4_1 NLMON NLS_CODEPAGE_1250 NLS_CODEPAGE_1251 NLS_CODEPAGE_737 NLS_CODEPAGE_775 NLS_CODEPAGE_850 NLS_CODEPAGE_852 NLS_CODEPAGE_855 NLS_CODEPAGE_857 NLS_CODEPAGE_860 NLS_CODEPAGE_861 NLS_CODEPAGE_862 NLS_CODEPAGE_863 NLS_CODEPAGE_864 NLS_CODEPAGE_865 NLS_CODEPAGE_866 NLS_CODEPAGE_869 NLS_CODEPAGE_874 NLS_CODEPAGE_932 NLS_CODEPAGE_936 NLS_CODEPAGE_949 NLS_CODEPAGE_950 NLS_ISO8859_13 NLS_ISO8859_14 NLS_ISO8859_15 NLS_ISO8859_2 NLS_ISO8859_3 NLS_ISO8859_4 NLS_ISO8859_5 NLS_ISO8859_6 NLS_ISO8859_7 NLS_ISO8859_8 NLS_ISO8859_9 NLS_KOI8_R NLS_KOI8_U NLS_MAC_CELTIC NLS_MAC_CENTEURO NLS_MAC_CROATIAN NLS_MAC_CYRILLIC NLS_MAC_GAELIC NLS_MAC_GREEK NLS_MAC_ICELAND NLS_MAC_INUIT NLS_MAC_ROMAN NLS_MAC_ROMANIAN NLS_MAC_TURKISH NLS_UCS2_UTILS NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY NUMA_BALANCING NUMA_BALANCING_DEFAULT_ENABLED NUMA_EMU NUMA_KEEP_MEMINFO NVDIMM_DAX NVDIMM_KEYS NVDIMM_PFN NVIDIA_SHIELD_FF NVME_CORE NVME_FABRICS NVME_FC NVME_MULTIPATH NVME_RDMA NVME_TARGET NVME_TARGET_FC NVME_TARGET_FCLOOP NVME_TARGET_LOOP NVME_TARGET_RDMA NVME_TARGET_TCP NVME_TCP N_GSM N_HDLC OCFS2_DEBUG_FS OCFS2_FS OCFS2_FS_O2CB OCFS2_FS_STATS OCFS2_FS_USERSPACE_CLUSTER OF_GPIO OF_PMEM OMFS_FS OPENVSWITCH OPENVSWITCH_GENEVE OPENVSWITCH_GRE OPENVSWITCH_VXLAN ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_TEA575X RAID6_PQ RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES 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 REGMAP_I2C REGMAP_IRQ REGMAP_MMIO REGMAP_SPI REGULATOR REGULATOR_FIXED_VOLTAGE REGULATOR_TWL4030 RESET_CONTROLLER RFKILL RFKILL_INPUT RFKILL_LEDS RMI4_2D_SENSOR RMI4_CORE RMI4_F03 RMI4_F03_SERIO RMI4_F11 RMI4_F12 RMI4_F30 RMI4_F3A ROMFS_BACKED_BY_BOTH ROMFS_FS ROMFS_ON_BLOCK ROMFS_ON_MTD ROSE RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE SCREEN_INFO SCSI_FC_ATTRS SCSI_HPSA SCSI_ISCSI_ATTRS SCSI_LOGGING SCSI_NETLINK SCSI_SAS_ATA SCSI_SAS_ATTRS SCSI_SAS_LIBSAS SCSI_SCAN_ASYNC SCSI_SRP_ATTRS SCTP_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA 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_I915 SND_HDA_INPUT_BEEP SND_HDA_INTEL SND_HDA_PATCH_LOADER SND_HDA_RECONFIG SND_HDA_SCODEC_COMPONENT SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_ELD 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_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 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_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM 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 TEE TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THP_SWAP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_TOE TMPFS_QUOTA TOOLS_SUPPORT_RELR 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 TRANSPARENT_HUGEPAGE_MADVISE TTPCI_EEPROM TTY_PRINTK TUN_VNET_CROSS_LE TWL4030_CORE TYPEC TYPEC_ANX7411 TYPEC_DP_ALTMODE TYPEC_FUSB302 TYPEC_HD3SS3220 TYPEC_MT6360 TYPEC_MUX_FSA4480 TYPEC_MUX_GPIO_SBU TYPEC_MUX_INTEL_PMC TYPEC_MUX_NB7VPQ904M TYPEC_MUX_PTN36502 TYPEC_MUX_WCD939X_USBSS TYPEC_NVIDIA_ALTMODE TYPEC_RT1711H TYPEC_RT1719 TYPEC_STUSB160X TYPEC_TCPCI TYPEC_TCPCI_MAXIM TYPEC_TCPCI_MT6370 TYPEC_TCPM TYPEC_TPS6598X TYPEC_UCSI TYPEC_WCOVE 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_ACM USB_ADUTUX USB_AIRSPY USB_ALI_M5632 USB_AN2720 USB_APPLEDISPLAY USB_ARMLINUX USB_BDC_UDC USB_BELKIN USB_C67X00_HCD USB_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_NET_CDC_SUBSET USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS USB_USBNET VIDEO_DEV VXLAN WIRELESS WLAN WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [atomic_sleep memleak ubsan bug_or_warning kasan locking], they are not needed testing current HEAD 3b08f56fbbb9ef75c7454487f8d3db80a84deef7 testing commit 3b08f56fbbb9ef75c7454487f8d3db80a84deef7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bbecae786d832b55c07a48dc65b77b829d3ac6352034f93ec3191970a10be893 all runs: OK false negative chance: 0.000 # git bisect start 3b08f56fbbb9ef75c7454487f8d3db80a84deef7 fb4d33ab452ea254e2c319bac5703d1b56d895bf Bisecting: 7767 revisions left to test after this (roughly 13 steps) [8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf] Merge tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ffd605548d74dcdec5cb51444b9e1c2b7fc2dd555e641f57fb1a18ae7b83c012 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf Bisecting: 3818 revisions left to test after this (roughly 12 steps) [beace86e61e465dba204a268ab3f3377153a4973] Merge tag 'mm-stable-2025-07-30-15-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit beace86e61e465dba204a268ab3f3377153a4973 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3b00bff4d9464ea959da08ca2849ba1e547f4d8ed5806d14cb3000824b1b7aa1 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good beace86e61e465dba204a268ab3f3377153a4973 Bisecting: 1908 revisions left to test after this (roughly 11 steps) [c5bf33d778e8744d081c51061753a8a313d247d0] Merge tag 'regulator-fix-v6.17-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator determine whether the revision contains the guilty commit revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf crashed and is reachable testing commit c5bf33d778e8744d081c51061753a8a313d247d0 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9ae0c16e1e9a7db228c98053056da85ea66e70eb2f81fa88f96f4ccf9db7f41f all runs: OK false negative chance: 0.000 # git bisect bad c5bf33d778e8744d081c51061753a8a313d247d0 Bisecting: 959 revisions left to test after this (roughly 10 steps) [33ac5155891cab165c93b51b0e22e153eacc2ee7] i2c: muxes: mule: Fix an error handling path in mule_i2c_mux_probe() determine whether the revision contains the guilty commit revision beace86e61e465dba204a268ab3f3377153a4973 crashed and is reachable testing commit 33ac5155891cab165c93b51b0e22e153eacc2ee7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9cc87caffeb59b48cba57b8123aae3864aa86dca7e0efe92432ba77667d67763 all runs: OK false negative chance: 0.000 # git bisect bad 33ac5155891cab165c93b51b0e22e153eacc2ee7 Bisecting: 421 revisions left to test after this (roughly 9 steps) [0bd0a41a5120f78685a132834865b0a631b9026a] Merge tag 'pci-v6.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit 0bd0a41a5120f78685a132834865b0a631b9026a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3d18e65b96d78249f21866915c7b109748a99dd5e6737fea6c90d125be937128 all runs: OK false negative chance: 0.000 # git bisect bad 0bd0a41a5120f78685a132834865b0a631b9026a Bisecting: 253 revisions left to test after this (roughly 8 steps) [7a64bdfaf3e641862e8088a19205692b8b229753] Merge tag 'sound-6.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit 7a64bdfaf3e641862e8088a19205692b8b229753 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: bf5f370a179e72c875b8d10c1fed5547c5b5999352864cd7400c05a868156e69 all runs: OK false negative chance: 0.000 # git bisect bad 7a64bdfaf3e641862e8088a19205692b8b229753 Bisecting: 136 revisions left to test after this (roughly 7 steps) [b80a75cf6999fb79971b41eaec7af2bb4b514714] Merge tag 'hid-for-linus-2025073101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid determine whether the revision contains the guilty commit revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf crashed and is reachable testing commit b80a75cf6999fb79971b41eaec7af2bb4b514714 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fa5d1079c675e181352a0d6126c819a5dab879bd000008f828537c3276a888f0 all runs: OK false negative chance: 0.000 # git bisect bad b80a75cf6999fb79971b41eaec7af2bb4b514714 Bisecting: 64 revisions left to test after this (roughly 6 steps) [db68e4c80d995b67a92460711038b9223166bda7] Merge tag 'v6.17-rc-part1-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6 determine whether the revision contains the guilty commit revision 8be4d31cb8aaeea27bde4b7ddb26e28a89062ebf crashed and is reachable testing commit db68e4c80d995b67a92460711038b9223166bda7 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 53620d13ed7767d3184b2a55d7e12837b913304799cbcd9d4f14a08e7457c07f all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good db68e4c80d995b67a92460711038b9223166bda7 Bisecting: 28 revisions left to test after this (roughly 5 steps) [41a6f0e3cd3ef0a288ce260487e4b76d9515e43d] Merge branch 'for-6.17/intel-thc' into for-linus determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit 41a6f0e3cd3ef0a288ce260487e4b76d9515e43d gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2c5dbfccf31dd5e33a52cabd6415d1b5fed81cb36b34b140cd9254f9e0af13db all runs: OK false negative chance: 0.000 # git bisect bad 41a6f0e3cd3ef0a288ce260487e4b76d9515e43d Bisecting: 18 revisions left to test after this (roughly 4 steps) [069e79a08103c684d31b638cbed82fcc3ac0fad3] Merge branch 'for-6.17/battery-timer-fixes' into for-linus determine whether the revision contains the guilty commit revision fb4d33ab452ea254e2c319bac5703d1b56d895bf crashed and is reachable testing commit 069e79a08103c684d31b638cbed82fcc3ac0fad3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0793129bfcbb0d876d3f3c58c331766c1f45abae088626e8f63b9a4382e4a19b all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good 069e79a08103c684d31b638cbed82fcc3ac0fad3 Bisecting: 9 revisions left to test after this (roughly 3 steps) [60c9fca90e3338d7d7a76e5db92071f07a164d55] HID: Intel-thc-hid: Intel-quickspi: Enable Wake-on-Touch feature determine whether the revision contains the guilty commit checking the merge base 2043ae9019e0f75c7785048230586c3f3ca0a2a4 no existing result, test the revision testing commit 2043ae9019e0f75c7785048230586c3f3ca0a2a4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c070f33c50b53a249d117127935f215d06e2d5df710a77455d2a0799212b0748 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] testing commit 60c9fca90e3338d7d7a76e5db92071f07a164d55 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 93914ef088e711f5c9e9de43bbf94794bc27a9af0d1a0dacfd76a9226eb4e4d0 all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good 60c9fca90e3338d7d7a76e5db92071f07a164d55 Bisecting: 4 revisions left to test after this (roughly 2 steps) [a6b87bfc2ab5bccb7ad953693c85d9062aef3fdd] HID: core: Harden s32ton() against conversion to 0 bits determine whether the revision contains the guilty commit revision 2043ae9019e0f75c7785048230586c3f3ca0a2a4 crashed and is reachable testing commit a6b87bfc2ab5bccb7ad953693c85d9062aef3fdd gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 5ad5877b7747a30ba9367b16ac43329d384fe5c8eeb4d3885b0c013cd1045847 all runs: OK false negative chance: 0.000 # git bisect bad a6b87bfc2ab5bccb7ad953693c85d9062aef3fdd Bisecting: 2 revisions left to test after this (roughly 1 step) [37a9acb971c2f338e7a1b602b0ee40ad70668e81] HID: replace scnprintf() with sysfs_emit() determine whether the revision contains the guilty commit revision 2043ae9019e0f75c7785048230586c3f3ca0a2a4 crashed and is reachable testing commit 37a9acb971c2f338e7a1b602b0ee40ad70668e81 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f9bb28cd2f97d943859f8e15852ed6c532c533f09a9afd837a23dad61165162f all runs: crashed: INFO: task hung in uhid_char_release representative crash: INFO: task hung in uhid_char_release, types: [HANG] # git bisect good 37a9acb971c2f338e7a1b602b0ee40ad70668e81 Bisecting: 0 revisions left to test after this (roughly 1 step) [12f33ef6c2aaa410b7ccf039289fe2b04ab2252f] HID: core: Improve the kerneldoc for hid_report_len() determine whether the revision contains the guilty commit revision 2043ae9019e0f75c7785048230586c3f3ca0a2a4 crashed and is reachable testing commit 12f33ef6c2aaa410b7ccf039289fe2b04ab2252f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 36a8bfe0fd210db6d628129533e8f619bff42588f4250e1e27c268735308de51 all runs: OK false negative chance: 0.000 # git bisect bad 12f33ef6c2aaa410b7ccf039289fe2b04ab2252f Bisecting: 0 revisions left to test after this (roughly 0 steps) [4051ead99888f101be92c7ce90d2de09aac6fd1c] HID: rate-limit hid_warn to prevent log flooding determine whether the revision contains the guilty commit revision 2043ae9019e0f75c7785048230586c3f3ca0a2a4 crashed and is reachable testing commit 4051ead99888f101be92c7ce90d2de09aac6fd1c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f7a2be3cf055d9b8f2dac9fc59fc45e1418bb746ee57e2c1c25b56b82c923c36 all runs: OK false negative chance: 0.000 # git bisect bad 4051ead99888f101be92c7ce90d2de09aac6fd1c 4051ead99888f101be92c7ce90d2de09aac6fd1c is the first bad commit commit 4051ead99888f101be92c7ce90d2de09aac6fd1c Author: Li Chen Date: Fri Jun 20 20:02:31 2025 +0800 HID: rate-limit hid_warn to prevent log flooding Syzkaller can create many uhid devices that trigger repeated warnings like: "hid-generic xxxx: unknown main item tag 0x0" These messages can flood the system log, especially if a crash occurs (e.g., with a slow UART console, leading to soft lockups). To mitigate this, convert `hid_warn()` to use `dev_warn_ratelimited()`. This helps reduce log noise and improves system stability under fuzzing or faulty device scenarios. Signed-off-by: Li Chen Signed-off-by: Jiri Kosina drivers/hid/hid-core.c | 4 ++-- include/linux/hid.h | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) accumulated error probability: 0.00 culprit signature: f7a2be3cf055d9b8f2dac9fc59fc45e1418bb746ee57e2c1c25b56b82c923c36 parent signature: f9bb28cd2f97d943859f8e15852ed6c532c533f09a9afd837a23dad61165162f revisions tested: 24, total time: 6h33m16.352114449s (build: 2h43m24.880244991s, test: 3h25m54.968643489s) first good commit: 4051ead99888f101be92c7ce90d2de09aac6fd1c HID: rate-limit hid_warn to prevent log flooding recipients (to): ["chenl311@chinatelecom.cn" "jkosina@suse.com"] recipients (cc): []