ci2 starts bisection 2026-09-05 15:51:47.239573484 +0000 UTC m=+62231.403527785 bisecting cause commit starting from 02dc699f83d04069fdabc996fc22d47cda47a4a9 building syzkaller on e611ffe1caa28a0228c8f3642cc768f0dba3dd0c ensuring issue is reproducible on original commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: e7ba46d07c8d84eb4efc6a24d0155ede5422296998cd4d1cb55ca9fbe855f25a run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: crashed: possible deadlock in ntfs_readdir run #10: crashed: possible deadlock in ntfs_readdir run #11: crashed: possible deadlock in ntfs_readdir run #12: crashed: possible deadlock in ntfs_readdir run #13: crashed: possible deadlock in ntfs_readdir run #14: crashed: possible deadlock in ntfs_readdir run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [hang memleak ubsan bug_or_warning kasan atomic_sleep], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 385fd4e1f460fa01afb8a2712933b8e9132c862d7007280c7bcb65405eb409d8 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [memleak ubsan bug_or_warning kasan atomic_sleep hang], they are not needed kconfig minimization: base=4167 full=8397 leaves diff=2097 split chunks (needed=false): <2097> split chunk #0 of len 2097 into 5 parts testing without sub-chunk 1/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: e1585d23eb1f873bfa23fcdc53ad09251964d20e1a46c75f85124400b28932e2 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: effdcf3c503eae0e3d64d2e40731df554bfeb175388d7bd954bea8d50941f43d run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: OK run #9: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: c9e3ff8a059de0672b98be1492b05641b13316707f7d8932ae0d8aaae19203ef run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: OK run #7: OK run #8: OK run #9: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [memleak ubsan bug_or_warning kasan atomic_sleep hang], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 72d426f0462c518b0466fca359ced5fef377447896d36db157f7a5b53e53f42d all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [bug_or_warning kasan atomic_sleep hang memleak ubsan], they are not needed testing commit 02dc699f83d04069fdabc996fc22d47cda47a4a9 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 43464d2d76b3ff71f2e3227dd06256c50b59c8a9bbc12b6b56ebfcc8f0bbeedd run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] minimized to 837 configs; suspects: [AF_RXRPC ATM BCMA BLK_DEV_ZONED BPF_SYSCALL BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CARDBUS CFG80211 CFG80211_WEXT COMMON_CLK CONTIG_ALLOC DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB GUEST_PERF_EVENTS HAVE_CLK HID_NVIDIA_SHIELD HID_PLAYSTATION HID_SENSOR_HUB HID_SMARTJOYPLUS HID_STEAM HID_THRUSTMASTER HID_ZEROPLUS I2C_MUX IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_IPOIB INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOMMUFD IP_SCTP KVM KVM_INTEL L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MEDIA_ANALOG_TV_SUPPORT MEDIA_CAMERA_SUPPORT MEDIA_CEC_SUPPORT MEDIA_COMMON_OPTIONS MEDIA_CONTROLLER MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_SUPPORT MEDIA_SDR_SUPPORT MEDIA_SUPPORT MEDIA_TEST_SUPPORT MEDIA_USB_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MFD_INTEL_PMC_BXT MFD_MT6360 MFD_MT6370 MFD_RETU MFD_VIPERBOARD MMC MTD MTD_UBI NETFILTER_CONNCOUNT NET_IPGRE NET_IPGRE_DEMUX 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 NOP_USB_XCEIV NOZOMI NTFS3_FS NTFS3_FS_POSIX_ACL NTFS3_LZX_XPRESS NULL_TTY 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 OPTEE_STATIC_PROTMEM_POOL 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 PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERF_GUEST_MEDIATED_PMU PERSISTENT_KEYRINGS PHONET PHYLINK PHY_CPCAP_USB PHY_GOOGLE_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 POSIX_AUX_CLOCKS PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPPOX PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS PREEMPT_RT PROC_CHILDREN PSAMPLE PSI PSTORE PSTORE_COMPRESS QCOM_QMI_HELPERS QNX4FS_FS QNX6FS_FS QRTR QRTR_TUN RADIO_ADAPTERS RADIO_SHARK RADIO_SHARK2 RADIO_SI470X RADIO_SI4713 RADIO_TEA575X RAID6_PQ RAID6_PQ_ARCH RAID_ATTRS RC_ATI_REMOTE RC_CORE RC_DEVICES RC_XBOX_DVD RDMA_RXE RDMA_SIW RDS RDS_RDMA RDS_TCP 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 RSEQ_SLICE_EXTENSION RTC_DRV_HID_SENSOR_TIME RXKAD SCHED_CORE 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_DEFAULT_COOKIE_HMAC_SHA256 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 SMBDIRECT 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_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_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_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_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_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 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 TAP TARGET_CORE 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 TEE_DMABUF_HEAPS TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP 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 TTPCI_EEPROM TTY_PRINTK TUN 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_CONFIGFS USB4_NET USBIP_CORE USBIP_HOST USBIP_VHCI_HCD USBIP_VUDC 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_PCI 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_GENERIC_PLAT 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_LJCA 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_ROLE_SWITCH USB_RTL8150 USB_RTL8152 USB_RTL8153_ECM USB_S2255 USB_SERIAL USB_SERIAL_AIRCABLE USB_SERIAL_ARK3116 USB_SERIAL_BELKIN USB_SERIAL_CH341 USB_SERIAL_CONSOLE USB_SERIAL_CP210X USB_SERIAL_CYBERJACK USB_SERIAL_CYPRESS_M8 USB_SERIAL_DEBUG USB_SERIAL_DIGI_ACCELEPORT USB_SERIAL_EDGEPORT USB_SERIAL_EDGEPORT_TI USB_SERIAL_EMPEG USB_SERIAL_F81232 USB_SERIAL_F8153X USB_SERIAL_FTDI_SIO USB_SERIAL_GARMIN USB_SERIAL_GENERIC USB_SERIAL_IPAQ USB_SERIAL_IPW USB_SERIAL_IR USB_SERIAL_IUU USB_SERIAL_KEYSPAN USB_SERIAL_KEYSPAN_PDA USB_SERIAL_KLSI USB_SERIAL_KOBIL_SCT USB_SERIAL_MCT_U232 USB_SERIAL_METRO USB_SERIAL_MOS7715_PARPORT USB_SERIAL_MOS7720 USB_SERIAL_MOS7840 USB_SERIAL_MXUPORT USB_SERIAL_NAVMAN USB_SERIAL_OMNINET USB_SERIAL_OPTICON USB_SERIAL_OPTION USB_SERIAL_OTI6858 USB_SERIAL_PL2303 USB_SERIAL_QCAUX USB_SERIAL_QT2 USB_SERIAL_QUALCOMM USB_SERIAL_SAFE USB_SERIAL_SIERRAWIRELESS USB_SERIAL_SIMPLE USB_SERIAL_SPCP8X5 USB_SERIAL_SSU100 USB_SERIAL_SYMBOL USB_SERIAL_TI USB_SERIAL_UPD78F0730 USB_SERIAL_VISOR USB_SERIAL_WHITEHEAT USB_SERIAL_WISHBONE USB_SERIAL_WWAN USB_SERIAL_XR USB_SERIAL_XSENS_MT USB_SEVSEG USB_SI470X USB_SI4713 USB_SIERRA_NET USB_SISUSBVGA USB_SL811_CS USB_SL811_HCD USB_SL811_HCD_ISO USB_SNP_CORE USB_SPEEDTOUCH USB_STORAGE_ALAUDA USB_STORAGE_CYPRESS_ATACB USB_STORAGE_DATAFAB USB_STORAGE_ENE_UB6250 USB_STORAGE_FREECOM USB_STORAGE_ISD200 USB_STORAGE_JUMPSHOT USB_STORAGE_KARMA USB_STORAGE_ONETOUCH USB_STORAGE_REALTEK 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_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_IOTLB VHOST_NET VHOST_RING VHOST_TASK VHOST_VDPA VHOST_VSOCK VIDEO VIDEOBUF2_CORE VIDEOBUF2_DMA_CONTIG VIDEOBUF2_DMA_SG VIDEOBUF2_MEMOPS VIDEOBUF2_V4L2 VIDEOBUF2_VMALLOC VIDEOMODE_HELPERS VIDEO_AU0828 VIDEO_AU0828_RC VIDEO_AU0828_V4L2 VIDEO_CS53L32A VIDEO_CX231XX VIDEO_CX231XX_ALSA VIDEO_CX231XX_DVB VIDEO_CX231XX_RC VIDEO_CX2341X VIDEO_CX25840 VIDEO_DEV VIDEO_EM28XX VIDEO_EM28XX_ALSA VIDEO_EM28XX_DVB VIDEO_EM28XX_RC VIDEO_EM28XX_V4L2 VIDEO_GO7007 VIDEO_GO7007_LOADER VIDEO_GO7007_USB VIDEO_GO7007_USB_S2250_BOARD VIDEO_HDPVR VIDEO_MSP3400 VIDEO_PVRUSB2 VIDEO_PVRUSB2_DVB VIDEO_PVRUSB2_SYSFS VIDEO_SAA711X VIDEO_STK1160 VIDEO_TUNER VIDEO_TVEEPROM VIDEO_USBTV VIDEO_V4L2_I2C VIDEO_V4L2_SUBDEV_API VIDEO_V4L2_TPG VIDEO_VICODEC VIDEO_VIM2M VIDEO_VIMC VIDEO_VIVID VIDEO_VIVID_CEC VIDEO_WM8775 VIPERBOARD_ADC VIRTIO_BALLOON VIRTIO_DMA_SHARED_BUFFER VIRTIO_MEM VIRTIO_MMIO VIRTIO_MMIO_CMDLINE_DEVICES VIRTIO_PMEM VIRTIO_VDPA VIRTIO_VSOCKETS VIRTIO_VSOCKETS_COMMON VIRT_WIFI VIRT_XFER_TO_GUEST_WORK VLAN_8021Q VLAN_8021Q_GVRP VLAN_8021Q_MVRP VMWARE_VMCI VMXNET3 VP_VDPA VSOCKETS VSOCKETS_DIAG VSOCKETS_LOOPBACK VSOCKMON VT_HW_CONSOLE_BINDING VXFS_FS VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_PURELIFI WLAN_VENDOR_SILABS X86_FRED X86_SGX X86_SGX_KVM X86_USER_SHADOW_STACK XDP_SOCKETS XDP_SOCKETS_DIAG XFRM_ESPINTCP XFRM_INTERFACE XFRM_IPCOMP XFRM_MIGRATE XFRM_OFFLOAD XFRM_STATISTICS XFRM_SUB_POLICY XFRM_USER_COMPAT XFS_BTREE_IN_MEM XFS_DRAIN_INTENTS XFS_FS XFS_LIVE_HOOKS XFS_MEMORY_BUFS XFS_ONLINE_REPAIR XFS_ONLINE_SCRUB XFS_POSIX_ACL XFS_QUOTA XFS_RT XILLYBUS_CLASS XILLYUSB XOR_BLOCKS XOR_BLOCKS_ARCH YENTA YENTA_ENE_TUNE YENTA_O2 YENTA_RICOH YENTA_TI YENTA_TOSHIBA ZEROPLUS_FF ZLIB_DEFLATE ZONEFS_FS ZONE_DEVICE 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] disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed picked [v7.1 v7.0 v6.19 v6.17 v6.15 v6.13 v6.11 v6.9 v6.6 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 44 release tags testing release v7.1 testing commit 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: a4fb678a4213b23d7d4103ce3743d7fe39d5cadbd7c97a5dbd8a431450815297 all runs: OK false negative chance: 0.000 # git bisect start 02dc699f83d04069fdabc996fc22d47cda47a4a9 8cd9520d35a6c38db6567e97dd93b1f11f185dc6 Bisecting: 8476 revisions left to test after this (roughly 13 steps) [70cb95c736807da2c4952423c9f9afe470341996] Merge tag 'soc-drivers-7.2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 70cb95c736807da2c4952423c9f9afe470341996 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 1ab34bb8e91ee35b47dfa6dc2e510c1b5120947755bdc5e33fc1ef40628caa34 all runs: OK false negative chance: 0.000 # git bisect good 70cb95c736807da2c4952423c9f9afe470341996 Bisecting: 4227 revisions left to test after this (roughly 12 steps) [05d2a3da153bc08c5fe7937584b5d86505747b9e] Merge tag 'perf-tools-for-v7.2-1-2026-06-22' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools testing commit 05d2a3da153bc08c5fe7937584b5d86505747b9e gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 2718e777635f9b970752b0898be3d2f554e947157cb6e0c0d783424ce2008d9c all runs: OK false negative chance: 0.000 # git bisect good 05d2a3da153bc08c5fe7937584b5d86505747b9e Bisecting: 2114 revisions left to test after this (roughly 11 steps) [b6016332b8899a9775addf9b630b0a53a849c8ed] ALSA: hda/tas2781: clear cali_data.total_sz when calibration read fails testing commit b6016332b8899a9775addf9b630b0a53a849c8ed gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: cf1228c93dc6e77ce250a8a2ecf287af6b2e9495d5a286390560cd97bcf1c296 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad b6016332b8899a9775addf9b630b0a53a849c8ed Bisecting: 991 revisions left to test after this (roughly 10 steps) [805185b7c7a1069e407b6f7b3bc98e44d415f484] Merge tag 'net-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 805185b7c7a1069e407b6f7b3bc98e44d415f484 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 7a5a740a49cf7aa9783c9d0963dccacc488d254eae7bc551cd4fee3a12fee43e run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: crashed: possible deadlock in ntfs_readdir run #10: crashed: possible deadlock in ntfs_readdir run #11: crashed: possible deadlock in ntfs_readdir run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad 805185b7c7a1069e407b6f7b3bc98e44d415f484 Bisecting: 565 revisions left to test after this (roughly 9 steps) [d0bcd488c33d6673fe83b9533d6366ad84d2ec0d] Merge tag 'irq-msi-2026-06-24' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit d0bcd488c33d6673fe83b9533d6366ad84d2ec0d gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 55ac8d521d10210b1e2c662423cdec332259985ae4e7f38d52c7d35a22ec5e62 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: crashed: possible deadlock in ntfs_readdir run #10: crashed: possible deadlock in ntfs_readdir run #11: crashed: possible deadlock in ntfs_readdir run #12: crashed: possible deadlock in ntfs_readdir run #13: crashed: possible deadlock in ntfs_readdir run #14: crashed: possible deadlock in ntfs_readdir run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad d0bcd488c33d6673fe83b9533d6366ad84d2ec0d Bisecting: 267 revisions left to test after this (roughly 8 steps) [558ef39aeb9a089a6be9dda8413b0b9d42e843ea] Merge tag 'dmaengine-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine testing commit 558ef39aeb9a089a6be9dda8413b0b9d42e843ea gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: ff9f7e4f03e235d3cc3bced36a3b41e1cc6dda5558215dea9b7aebcc27fa4d94 all runs: OK false negative chance: 0.000 # git bisect good 558ef39aeb9a089a6be9dda8413b0b9d42e843ea Bisecting: 124 revisions left to test after this (roughly 7 steps) [f0e6f20cb52b14c2c441f04e21cef0c95d498cac] Merge tag 'ntfs3_for_7.2' of https://github.com/Paragon-Software-Group/linux-ntfs3 testing commit f0e6f20cb52b14c2c441f04e21cef0c95d498cac gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: c0c12dad1075d6f567cb6867b8553265880d79b2284fdc8bbe96e08f7f24f547 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad f0e6f20cb52b14c2c441f04e21cef0c95d498cac Bisecting: 77 revisions left to test after this (roughly 6 steps) [09ca8dc7d634f69d0b43f82c244add44cf7885b4] Merge tag 'f2fs-for-7.2-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs testing commit 09ca8dc7d634f69d0b43f82c244add44cf7885b4 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 81124729e6dcbc3318b9e930bcbad9cc1bfa1e9d6e8d64d0dd2b6bf9fb0d3f9d all runs: OK false negative chance: 0.000 # git bisect good 09ca8dc7d634f69d0b43f82c244add44cf7885b4 Bisecting: 38 revisions left to test after this (roughly 5 steps) [84800a8d1d22c475b3c35bdbcf8ed64a55f3b66f] nfs: don't skip revalidate on directory delegation when attrs flagged stale testing commit 84800a8d1d22c475b3c35bdbcf8ed64a55f3b66f gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 46509d1a2dc065e74ef7619c90cf6ee0ebd92efd31a87a201cb98d4f56862b2d all runs: OK false negative chance: 0.000 # git bisect good 84800a8d1d22c475b3c35bdbcf8ed64a55f3b66f Bisecting: 19 revisions left to test after this (roughly 4 steps) [ecbb433f9a8e3297f298226c15fada69b3748d3e] fs/ntfs3: fold file size handling into ntfs_set_size() testing commit ecbb433f9a8e3297f298226c15fada69b3748d3e gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: deefc9d800cd883d8cd3aa9f0aecaf2ec9fd8b032a0d0af36e13eace2a56e63d run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: OK run #10: crashed: possible deadlock in ntfs_readdir run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: crashed: possible deadlock in ntfs_readdir representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad ecbb433f9a8e3297f298226c15fada69b3748d3e Bisecting: 9 revisions left to test after this (roughly 3 steps) [98d6e5d9dc1d34dcffc61549617581a5fe1ef807] fs/ntfs3: validate index entry key bounds testing commit 98d6e5d9dc1d34dcffc61549617581a5fe1ef807 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 84071792e5340e9084084c3cdb3c125bd6fa0077a8f7cf93ee0a83b033b5249e run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: crashed: possible deadlock in ntfs_readdir run #10: crashed: possible deadlock in ntfs_readdir run #11: crashed: possible deadlock in ntfs_readdir run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad 98d6e5d9dc1d34dcffc61549617581a5fe1ef807 Bisecting: 4 revisions left to test after this (roughly 2 steps) [f1df9d771df47aa40de6d70949c28720ae1e430d] ntfs3: validate split-point offset in indx_insert_into_buffer testing commit f1df9d771df47aa40de6d70949c28720ae1e430d gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: b501b9c692681c9c334daaf549ea28142127d385805e1a0e961e1ea47f8ae02a all runs: OK false negative chance: 0.000 # git bisect good f1df9d771df47aa40de6d70949c28720ae1e430d Bisecting: 2 revisions left to test after this (roughly 1 step) [a6169cb0faac4f276df8fee7ffa14c098c05bb52] ntfs3: avoid -Wmaybe-uninitialized warning testing commit a6169cb0faac4f276df8fee7ffa14c098c05bb52 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 115ea518280ab8d6751552192f941dca97aa246025a408de4cf10e71df529a4f all runs: OK false negative chance: 0.000 # git bisect good a6169cb0faac4f276df8fee7ffa14c098c05bb52 Bisecting: 0 revisions left to test after this (roughly 1 step) [b1c1101067d9536bcb0fe023b96ee2dde5535959] fs/ntfs3: preserve non-DOS attribute bits in system.dos_attrib testing commit b1c1101067d9536bcb0fe023b96ee2dde5535959 gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 1d8501c67e69b30062ff0b90c1620c25cc95dd015d253a9aa9e6cc6ef69fd1a7 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad b1c1101067d9536bcb0fe023b96ee2dde5535959 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c] fs/ntfs3: hold ni_lock across readdir metadata walk testing commit d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c gcc compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8 kernel signature: 7b1a1740a638ca24f52fd0c2fdac0bbba29364f6874dda93ad0f085f01678c31 run #0: crashed: possible deadlock in ntfs_readdir run #1: crashed: possible deadlock in ntfs_readdir run #2: crashed: possible deadlock in ntfs_readdir run #3: crashed: possible deadlock in ntfs_readdir run #4: crashed: possible deadlock in ntfs_readdir run #5: crashed: possible deadlock in ntfs_readdir run #6: crashed: possible deadlock in ntfs_readdir run #7: crashed: possible deadlock in ntfs_readdir run #8: crashed: possible deadlock in ntfs_readdir run #9: OK run #10: OK run #11: crashed: possible deadlock in ntfs_readdir run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: possible deadlock in ntfs_readdir, types: [LOCKDEP] # git bisect bad d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c is the first bad commit commit d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c Author: ZhengYuan Huang Date: Mon Apr 27 15:26:50 2026 +0800 fs/ntfs3: hold ni_lock across readdir metadata walk [BUG] KASAN reports a slab-use-after-free during getdents(2): BUG: KASAN: slab-use-after-free in ntfs_read_mft fs/ntfs3/inode.c:79 [inline] BUG: KASAN: slab-use-after-free in ntfs_iget5+0x59b/0x3450 fs/ntfs3/inode.c:541 Read of size 2 at addr ffff88800b7a5a4e by task syz.0.1061/2354 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xbe/0x130 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0xd1/0x650 mm/kasan/report.c:482 kasan_report+0xfb/0x140 mm/kasan/report.c:595 __asan_report_load2_noabort+0x14/0x30 mm/kasan/report_generic.c:379 ntfs_read_mft fs/ntfs3/inode.c:79 [inline] ntfs_iget5+0x59b/0x3450 fs/ntfs3/inode.c:541 ntfs_dir_emit fs/ntfs3/dir.c:337 [inline] ntfs_read_hdr+0x714/0x930 fs/ntfs3/dir.c:385 ntfs_readdir+0xaad/0x1010 fs/ntfs3/dir.c:458 iterate_dir+0x276/0x9e0 fs/readdir.c:108 __do_sys_getdents fs/readdir.c:326 [inline] __se_sys_getdents fs/readdir.c:312 [inline] __x64_sys_getdents+0x143/0x290 fs/readdir.c:312 ... Allocated by task 2160: kasan_save_stack+0x39/0x70 mm/kasan/common.c:56 kasan_save_track+0x14/0x40 mm/kasan/common.c:77 kasan_save_alloc_info+0x37/0x60 mm/kasan/generic.c:573 poison_kmalloc_redzone mm/kasan/common.c:400 [inline] __kasan_kmalloc+0xc3/0xd0 mm/kasan/common.c:417 kasan_kmalloc include/linux/kasan.h:262 [inline] __do_kmalloc_node mm/slub.c:5650 [inline] __kmalloc_noprof+0x2bd/0x900 mm/slub.c:5662 kmalloc_noprof include/linux/slab.h:961 [inline] mi_init+0x9d/0x110 fs/ntfs3/record.c:105 mi_format_new+0x6b/0x500 fs/ntfs3/record.c:422 ni_add_subrecord+0x129/0x540 fs/ntfs3/frecord.c:321 ntfs_look_free_mft+0x238/0xd90 fs/ntfs3/fsntfs.c:715 ni_create_attr_list+0x8e6/0x1690 fs/ntfs3/frecord.c:826 ni_ins_attr_ext+0x5ec/0x9d0 fs/ntfs3/frecord.c:924 ni_insert_attr+0x2bf/0x830 fs/ntfs3/frecord.c:1091 ni_insert_resident+0xec/0x3d0 fs/ntfs3/frecord.c:1475 ni_add_name+0x4b2/0x8a0 fs/ntfs3/frecord.c:2987 ni_rename+0xa6/0x160 fs/ntfs3/frecord.c:3026 ntfs_rename+0xa19/0xe00 fs/ntfs3/namei.c:332 vfs_rename+0xd42/0x1d50 fs/namei.c:5216 do_renameat2+0x715/0xb60 fs/namei.c:5364 __do_sys_rename fs/namei.c:5411 [inline] __se_sys_rename fs/namei.c:5409 [inline] __x64_sys_rename+0x83/0xb0 fs/namei.c:5409 x64_sys_call+0x8c4/0x26a0 arch/x86/include/generated/asm/syscalls_64.h:83 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x93/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x76/0x7e Freed by task 85: kasan_save_stack+0x39/0x70 mm/kasan/common.c:56 kasan_save_track+0x14/0x40 mm/kasan/common.c:77 __kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:587 kasan_save_free_info mm/kasan/kasan.h:406 [inline] poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x6f/0xa0 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2543 [inline] slab_free mm/slub.c:6642 [inline] kfree+0x2bf/0x6b0 mm/slub.c:6849 mi_clear fs/ntfs3/ntfs_fs.h:1107 [inline] mi_put+0x10e/0x1a0 fs/ntfs3/record.c:97 ni_write_inode+0x479/0x2a00 fs/ntfs3/frecord.c:3320 ntfs3_write_inode+0x51/0x70 fs/ntfs3/inode.c:1042 write_inode fs/fs-writeback.c:1564 [inline] __writeback_single_inode+0x8c9/0xc30 fs/fs-writeback.c:1784 writeback_sb_inodes+0x5e6/0xf60 fs/fs-writeback.c:2015 __writeback_inodes_wb+0x10c/0x2d0 fs/fs-writeback.c:2086 wb_writeback+0x63f/0x900 fs/fs-writeback.c:2197 wb_check_old_data_flush fs/fs-writeback.c:2301 [inline] wb_do_writeback fs/fs-writeback.c:2354 [inline] wb_workfn+0x8cc/0xd60 fs/fs-writeback.c:2382 process_one_work+0x8e0/0x1980 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x683/0xf80 kernel/workqueue.c:3427 kthread+0x3f0/0x850 kernel/kthread.c:463 ret_from_fork+0x50f/0x610 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 The faulting address sits 590 bytes inside a freed kmalloc-1k object allocated by ni_add_subrecord() and freed from ni_write_inode() writeback. [CAUSE] ntfs_readdir() loads all subrecords once, but then drops ni_lock() before it starts walking the directory metadata through ntfs_read_hdr(). That leaves the current NTFS_DE pointer backed by parent-directory subrecord memory that concurrent writeback is still allowed to compact and free. The later ntfs_dir_emit() -> ntfs_iget5() call exposes the stale e->ref, but the lifetime bug starts earlier: readdir is still consuming parent-directory metadata after releasing the lock that protects it. [FIX] Keep ni_lock() held from the point where ntfs_readdir() starts consuming the directory metadata until the walk over root/index entries is finished. This closes the parent-directory lifetime hole directly and keeps the existing readdir d_type behaviour unchanged. Signed-off-by: ZhengYuan Huang Signed-off-by: Konstantin Komarov fs/ntfs3/dir.c | 22 ++++++++++++++++------ 1 file changed, 16 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: 7b1a1740a638ca24f52fd0c2fdac0bbba29364f6874dda93ad0f085f01678c31 parent signature: 115ea518280ab8d6751552192f941dca97aa246025a408de4cf10e71df529a4f reproducer is flaky (0.45 repro chance estimate) revisions tested: 23, total time: 7h46m15.058047632s (build: 2h21m6.02787506s, test: 4h30m23.552256811s) first bad commit: d62cf685d12e95cc0a4122c43cd9f0eb8bba0b4c fs/ntfs3: hold ni_lock across readdir metadata walk recipients (to): ["almaz.alexandrovich@paragon-software.com" "gality369@gmail.com"] recipients (cc): [] crash: possible deadlock in ntfs_readdir ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.6.49/5444 is trying to acquire lock: ffff8881101540f0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable+0x12/0x50 include/linux/mmap_lock.h:601 but task is already holding lock: ffff88811c9d4110 (&ni->ni_lock/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1213 [inline] ffff88811c9d4110 (&ni->ni_lock/5){+.+.}-{4:4}, at: ntfs_readdir+0x1cf/0x470 fs/ntfs3/dir.c:497 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&ni->ni_lock/5){+.+.}-{4:4}: __mutex_lock_common kernel/locking/rtmutex_api.c:534 [inline] mutex_lock_nested+0x37/0xd0 kernel/locking/rtmutex_api.c:553 ni_lock fs/ntfs3/ntfs_fs.h:1213 [inline] attr_data_get_block+0xc6/0x130 fs/ntfs3/attrib.c:979 ntfs_file_mmap_prepare+0x1bb/0x2c0 fs/ntfs3/file.c:323 vfs_mmap_prepare include/linux/fs.h:2076 [inline] call_mmap_prepare mm/vma.c:2672 [inline] __mmap_region mm/vma.c:2755 [inline] mmap_region+0x86e/0x1060 mm/vma.c:2856 do_mmap+0x4de/0x5e0 mm/mmap.c:560 vm_mmap_pgoff+0xd8/0x1c0 mm/util.c:581 ksys_mmap_pgoff+0x17a/0x200 mm/mmap.c:606 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x12b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (&mm->mmap_lock){++++}-{4:4}: check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x13b3/0x22e0 kernel/locking/lockdep.c:5237 lock_acquire+0xd8/0x280 kernel/locking/lockdep.c:5868 down_read_killable+0x36/0x90 kernel/locking/rwsem.c:1593 mmap_read_lock_killable+0x12/0x50 include/linux/mmap_lock.h:601 get_mmap_lock_carefully mm/mmap_lock.c:450 [inline] lock_mm_and_find_vma+0x127/0x150 mm/mmap_lock.c:501 do_user_addr_fault+0x355/0x660 arch/x86/mm/fault.c:1357 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 filldir+0xe0/0x190 fs/readdir.c:-1 dir_emit include/linux/fs.h:3578 [inline] ntfs_dir_emit fs/ntfs3/dir.c:344 [inline] ntfs_read_hdr+0x233/0x270 fs/ntfs3/dir.c:385 ntfs_readdir+0x313/0x470 fs/ntfs3/dir.c:545 iterate_dir+0x88/0x170 fs/readdir.c:110 __do_sys_getdents fs/readdir.c:319 [inline] __se_sys_getdents+0x6f/0x120 fs/readdir.c:304 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x12b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ni->ni_lock/5); lock(&mm->mmap_lock); lock(&ni->ni_lock/5); rlock(&mm->mmap_lock); *** DEADLOCK *** 3 locks held by syz.6.49/5444: #0: ffff88810d429d28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x7f/0xb0 fs/file.c:1261 #1: ffff88811c9d43c8 (&type->i_mutex_dir_key#8){++++}-{4:4}, at: iterate_dir+0x4d/0x170 fs/readdir.c:103 #2: ffff88811c9d4110 (&ni->ni_lock/5){+.+.}-{4:4}, at: ni_lock fs/ntfs3/ntfs_fs.h:1213 [inline] #2: ffff88811c9d4110 (&ni->ni_lock/5){+.+.}-{4:4}, at: ntfs_readdir+0x1cf/0x470 fs/ntfs3/dir.c:497 stack backtrace: CPU: 1 UID: 0 PID: 5444 Comm: syz.6.49 Not tainted syzkaller #0 PREEMPT_{RT,(lazy)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: dump_stack_lvl+0x6d/0xa0 lib/dump_stack.c:120 print_circular_bug+0x30f/0x350 kernel/locking/lockdep.c:2043 check_noncircular+0x10e/0x130 kernel/locking/lockdep.c:2175 check_prev_add kernel/locking/lockdep.c:3165 [inline] check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x13b3/0x22e0 kernel/locking/lockdep.c:5237 lock_acquire+0xd8/0x280 kernel/locking/lockdep.c:5868 down_read_killable+0x36/0x90 kernel/locking/rwsem.c:1593 mmap_read_lock_killable+0x12/0x50 include/linux/mmap_lock.h:601 get_mmap_lock_carefully mm/mmap_lock.c:450 [inline] lock_mm_and_find_vma+0x127/0x150 mm/mmap_lock.c:501 do_user_addr_fault+0x355/0x660 arch/x86/mm/fault.c:1357 handle_page_fault arch/x86/mm/fault.c:1474 [inline] exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1527 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0010:filldir+0xe0/0x190 fs/readdir.c:290 Code: d1 49 8b 4d 18 48 89 ce 48 29 d6 48 ba 00 f0 ff ff ff 7f 00 00 48 39 d6 48 0f 47 f2 0f 01 cb 4c 89 66 08 48 89 29 48 8d 51 10 <66> 89 02 80 e3 0f 89 c2 48 8d 34 11 48 ff ce 88 1e 4a 8d 34 39 48 RSP: 0018:ffffc90003357d20 EFLAGS: 00050287 RAX: 0000000000000020 RBX: 0000000000000008 RCX: 0000200000001ff0 RDX: 0000200000002000 RSI: 0000200000001fd8 RDI: ffff8881158e5004 RBP: 0000000000000021 R08: 0000000000000021 R09: 0000000000000008 R10: 0000000000000005 R11: ffffffff817572f0 R12: 00000000000008c0 R13: ffffc90003357e90 R14: ffff8881158e5000 R15: 0000000000000005 dir_emit include/linux/fs.h:3578 [inline] ntfs_dir_emit fs/ntfs3/dir.c:344 [inline] ntfs_read_hdr+0x233/0x270 fs/ntfs3/dir.c:385 ntfs_readdir+0x313/0x470 fs/ntfs3/dir.c:545 iterate_dir+0x88/0x170 fs/readdir.c:110 __do_sys_getdents fs/readdir.c:319 [inline] __se_sys_getdents+0x6f/0x120 fs/readdir.c:304 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x12b/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f52068ae019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f520670f028 EFLAGS: 00000246 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007f5206b35fa0 RCX: 00007f52068ae019 RDX: 00000000000000b8 RSI: 0000200000001fc0 RDI: 0000000000000007 RBP: 00007f520694500c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5206b36038 R14: 00007f5206b35fa0 R15: 00007ffeb20fb598 ntfs3(loop6): failed to convert "0080" to macinuit ntfs3(loop6): failed to convert name for inode 1e. ntfs3(loop6): ino=1f, mi_enum_attr ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 49 8b 4d 18 mov 0x18(%r13),%rcx 4: 48 89 ce mov %rcx,%rsi 7: 48 29 d6 sub %rdx,%rsi a: 48 ba 00 f0 ff ff ff movabs $0x7ffffffff000,%rdx 11: 7f 00 00 14: 48 39 d6 cmp %rdx,%rsi 17: 48 0f 47 f2 cmova %rdx,%rsi 1b: 0f 01 cb stac 1e: 4c 89 66 08 mov %r12,0x8(%rsi) 22: 48 89 29 mov %rbp,(%rcx) 25: 48 8d 51 10 lea 0x10(%rcx),%rdx * 29: 66 89 02 mov %ax,(%rdx) <-- trapping instruction 2c: 80 e3 0f and $0xf,%bl 2f: 89 c2 mov %eax,%edx 31: 48 8d 34 11 lea (%rcx,%rdx,1),%rsi 35: 48 ff ce dec %rsi 38: 88 1e mov %bl,(%rsi) 3a: 4a 8d 34 39 lea (%rcx,%r15,1),%rsi 3e: 48 rex.W