ci2 starts bisection 2026-01-17 05:56:45.260987821 +0000 UTC m=+31992.442271153 bisecting fixing commit since c9cfc122f03711a5124b4aafab3211cf4d35a2ac building syzkaller on 686bf6572b519f4c79772e87d617d0eceaf20dca ensuring issue is reproducible on original commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: dc98ff1bf6019d7057cbaa5724c166e47d2737177945730ee8183d752b936dc3 all runs: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: b589b20405ebdffd432cf759636888013ae52d8a7533e085ae0797517e3fbf75 all runs: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [atomic_sleep hang memleak ubsan bug_or_warning kasan], they are not needed kconfig minimization: base=4118 full=8336 leaves diff=2116 split chunks (needed=false): <2116> split chunk #0 of len 2116 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 c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 7bcf121a1758094ec64ec3bb2e950f4f7ef65266e604e973f6378f1322c9c2cd run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [ubsan bug_or_warning kasan atomic_sleep hang memleak], they are not needed testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: a8063e39aad0e0dbf5bdd2f1905506b6db41baf95f5f68f2949d52771d7ed579 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 7c3f96604f69316eaca8850f2eb664a6ac87901106ae562066f3f8b60c94faa7 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [kasan atomic_sleep hang memleak ubsan bug_or_warning], they are not needed testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: e354e45df68a7624f120337bee86e613943ad929be95db88acd6afeab416b39b run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: basic kernel testing failed: SYZFAIL: failed to recv rpc run #6: basic kernel testing failed: SYZFAIL: failed to recv rpc run #7: basic kernel testing failed: SYZFAIL: failed to recv rpc run #8: OK run #9: OK unable to determine the verdict: 2 good runs (wanted 5), for bad wanted 5 in total, got 2 testing without sub-chunk 5/5 disabling configs for [memleak ubsan bug_or_warning kasan atomic_sleep hang], they are not needed testing commit c9cfc122f03711a5124b4aafab3211cf4d35a2ac gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 251311711b7d320e28f46e571d1743c4185a5c48af3c2e5c7abff5a3c8714435 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] the chunk can be dropped minimized to 424 configs; suspects: [AF_RXRPC ARCH_ENABLE_MEMORY_HOTREMOVE ATM AX25 BT BT_BREDR BT_HIDP BXT_WC_PMIC_OPREGION CFG80211 CMA DAX DIBS DLM DMABUF_HEAPS DRM DVB_CORE ENCRYPTED_KEYS EXTCON GENEVE GPIOLIB HAMRADIO HAVE_CLK HID_NINTENDO 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 NF_SOCKET_IPV4 NF_SOCKET_IPV6 NF_TPROXY_IPV4 NF_TPROXY_IPV6 NILFS2_FS NINTENDO_FF 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_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 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 PHONET 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 POSIX_AUX_CLOCKS 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 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_TEA575X RAID6_PQ 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 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_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 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_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 TEE_DMABUF_HEAPS TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP 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 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_CATC USB_CDC_PHONET 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 hang memleak ubsan bug_or_warning kasan], they are not needed testing current HEAD d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef testing commit d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 97dcc2b14a24e00dd930b915ae474753ab5844f9d07e0c207948059e0fb2e696 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect start d3eeb99bbc99cc5eb94a4a75ed4415a0272254ef c9cfc122f03711a5124b4aafab3211cf4d35a2ac Bisecting: 7905 revisions left to test after this (roughly 13 steps) [6dfafbd0299a60bfb5d5e277fdf100037c7ded07] Merge tag 'drm-next-2025-12-03' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit 6dfafbd0299a60bfb5d5e277fdf100037c7ded07 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: e20d03bbdf176a9bdcb19092191654f65de83d0ac9d486dd4beb96e3ca55d58d run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 6dfafbd0299a60bfb5d5e277fdf100037c7ded07 Bisecting: 4339 revisions left to test after this (roughly 12 steps) [015e7b0b0e8e51f7321ec2aafc1d7fc0a8a5536f] Merge tag 'bpf-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit 015e7b0b0e8e51f7321ec2aafc1d7fc0a8a5536f gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 989b2605ff91094ab2a0159b763f98ba0ea696c62094279c31eb8436519828a5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 015e7b0b0e8e51f7321ec2aafc1d7fc0a8a5536f Bisecting: 2166 revisions left to test after this (roughly 11 steps) [559e608c46553c107dbba19dae0854af7b219400] Merge tag 'ntfs3_for_6.19' of https://github.com/Paragon-Software-Group/linux-ntfs3 determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit 559e608c46553c107dbba19dae0854af7b219400 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 9908d68a95c04d5277c33ce9511903689ef12cd11fb11bc1a1ed5674f983705c run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 559e608c46553c107dbba19dae0854af7b219400 Bisecting: 1086 revisions left to test after this (roughly 10 steps) [b2a38f6df9dab0b05858746edcbe2403f8f4e4ec] net_sched: make room for (struct qdisc_skb_cb)->pkt_segs determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit b2a38f6df9dab0b05858746edcbe2403f8f4e4ec gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 7d606db9b0731424e37e517288d832a3324d4515d50f57057181eec3ab5ad32d run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good b2a38f6df9dab0b05858746edcbe2403f8f4e4ec Bisecting: 540 revisions left to test after this (roughly 9 steps) [0abcfd8983e3d3d27b8f5f7d01fed4354eb422c4] Merge tag 'for-6.19/io_uring-20251201' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit 0abcfd8983e3d3d27b8f5f7d01fed4354eb422c4 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 847c54c7583b8921664a86acee7ff073fbb4569e499a82ce0c17f600977da758 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 0abcfd8983e3d3d27b8f5f7d01fed4354eb422c4 Bisecting: 221 revisions left to test after this (roughly 8 steps) [7696286034ac72cf9b46499be1715ac62fd302c3] Merge tag 'for-6.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux determine whether the revision contains the guilty commit revision c9cfc122f03711a5124b4aafab3211cf4d35a2ac crashed and is reachable testing commit 7696286034ac72cf9b46499be1715ac62fd302c3 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: c9cec9a062bcec4cc54e0570e054150007bab5241b67d8f126e8b31cd61fada5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: basic kernel testing failed: SYZFAIL: failed to recv rpc run #4: basic kernel testing failed: SYZFAIL: failed to recv rpc run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 7696286034ac72cf9b46499be1715ac62fd302c3 Bisecting: 121 revisions left to test after this (roughly 7 steps) [869737543b39a145809c41a7253c6ee777e22729] Merge tag 'v6.19-rc-smb-fixes' of git://git.samba.org/ksmbd determine whether the revision contains the guilty commit revision 015e7b0b0e8e51f7321ec2aafc1d7fc0a8a5536f crashed and is reachable testing commit 869737543b39a145809c41a7253c6ee777e22729 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 2d05a9b60632c2b0c77a4642b9772b24d0ccbbfe5a866683ef9bbc2c24cc3cf1 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 869737543b39a145809c41a7253c6ee777e22729 Bisecting: 63 revisions left to test after this (roughly 6 steps) [91ef18b567dae84c0cea9b996d933c856e366f52] ext4: mark inodes without acls in __ext4_iget() determine whether the revision contains the guilty commit checking the merge base 6146a0f1dfae5d37442a9ddcba012add260bceb0 no existing result, test the revision testing commit 6146a0f1dfae5d37442a9ddcba012add260bceb0 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 0e48015362eaebaeedabf440cc150e5d16cffeb1bf56c9f783ee81381225114b all runs: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] testing commit 91ef18b567dae84c0cea9b996d933c856e366f52 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: c473cd52a78e0eb77635335f2d01d62672ad6ce903f05e934472683a55a84061 all runs: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 91ef18b567dae84c0cea9b996d933c856e366f52 Bisecting: 31 revisions left to test after this (roughly 5 steps) [3a88edc1657da9a847041ea994e66e26db9578d2] gfs2: Withdraw immediately in gfs2_trans_add_meta determine whether the revision contains the guilty commit checking the merge base dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa no existing result, test the revision testing commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 94bc9a3760fee95c58d718178769a3f67c64f7af8562bd7731c1e3f9a7014f9a run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] testing commit 3a88edc1657da9a847041ea994e66e26db9578d2 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 5eeb3555711d37a9efccac1d50b17e70d4c905334863e4ba42ab7e3569506a09 all runs: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good 3a88edc1657da9a847041ea994e66e26db9578d2 Bisecting: 15 revisions left to test after this (roughly 4 steps) [a8a3ca23bbd9d849308a7921a049330dc6c91398] fs/ntfs3: Initialize allocated memory before use determine whether the revision contains the guilty commit checking the merge base 3a8660878839faadb4f1a6dd72c3179c1df56787 no existing result, test the revision testing commit 3a8660878839faadb4f1a6dd72c3179c1df56787 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 9cb5db69724ae69142b10c15449d1abfaefcea5622143972c4bd9b1f871b5973 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] testing commit a8a3ca23bbd9d849308a7921a049330dc6c91398 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: c27b87887a818f3f21b35dae70f5c06c766c5478b025cb4e25a289e83ec765f5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good a8a3ca23bbd9d849308a7921a049330dc6c91398 Bisecting: 7 revisions left to test after this (roughly 3 steps) [ccc4e86d1c24260c18ae94541198c3711c140da6] fs/ntfs3: Prevent memory leaks in add sub record determine whether the revision contains the guilty commit revision 3a8660878839faadb4f1a6dd72c3179c1df56787 crashed and is reachable testing commit ccc4e86d1c24260c18ae94541198c3711c140da6 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: c5330662d783215efa29aaab99d3ac878ee79c06858cde355986373818dc2a9f run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good ccc4e86d1c24260c18ae94541198c3711c140da6 Bisecting: 3 revisions left to test after this (roughly 2 steps) [afcbce74f358a540761aa893939590a667162dff] Merge tag 'gfs2-for-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 determine whether the revision contains the guilty commit revision b2a38f6df9dab0b05858746edcbe2403f8f4e4ec crashed and is reachable testing commit afcbce74f358a540761aa893939590a667162dff gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 93244e90d715efba4ad90a98fe069b751992fb7eb70bb28ab84fde849d6d79f5 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: crashed: possible deadlock in mark_as_free_ex run #2: crashed: possible deadlock in mark_as_free_ex run #3: crashed: possible deadlock in mark_as_free_ex run #4: crashed: possible deadlock in mark_as_free_ex run #5: crashed: possible deadlock in mark_as_free_ex run #6: crashed: possible deadlock in mark_as_free_ex run #7: crashed: possible deadlock in mark_as_free_ex run #8: crashed: possible deadlock in mark_as_free_ex run #9: crashed: possible deadlock in mark_as_free_ex representative crash: possible deadlock in mark_as_free_ex, types: [LOCKDEP] # git bisect good afcbce74f358a540761aa893939590a667162dff Bisecting: 1 revision left to test after this (roughly 1 step) [1b2ae190ea43bebb8c73d21f076addc8a8c71849] fs/ntfs3: check for shutdown in fsync determine whether the revision contains the guilty commit revision 3a8660878839faadb4f1a6dd72c3179c1df56787 crashed and is reachable testing commit 1b2ae190ea43bebb8c73d21f076addc8a8c71849 gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 636dd06491b98149a1030453738a4a82af9fd8be04e02713f2f395f12feee4f6 run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: basic kernel testing failed: SYZFAIL: failed to recv rpc run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad 1b2ae190ea43bebb8c73d21f076addc8a8c71849 Bisecting: 0 revisions left to test after this (roughly 0 steps) [bcbb8d0afd94927215e8ae97c40cfefa807cfe0b] fs/ntfs3: change the default mount options for "acl" and "prealloc" determine whether the revision contains the guilty commit revision a8a3ca23bbd9d849308a7921a049330dc6c91398 crashed and is reachable testing commit bcbb8d0afd94927215e8ae97c40cfefa807cfe0b gcc compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 kernel signature: 2df0d069ab3366630e6e3e74bda210b34099d93d35f6fcff048f2ea1b0aaf77b run #0: basic kernel testing failed: SYZFAIL: failed to recv rpc run #1: basic kernel testing failed: SYZFAIL: failed to recv rpc run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK false negative chance: 0.000 # git bisect bad bcbb8d0afd94927215e8ae97c40cfefa807cfe0b bcbb8d0afd94927215e8ae97c40cfefa807cfe0b is the first bad commit commit bcbb8d0afd94927215e8ae97c40cfefa807cfe0b Author: Konstantin Komarov Date: Thu Oct 30 23:51:09 2025 +0300 fs/ntfs3: change the default mount options for "acl" and "prealloc" Switch the "acl" and "prealloc" mount parameters to fsparam_flag_no(), making them enabled by default and allowing users to disable them with "noacl" and "noprealloc". Signed-off-by: Konstantin Komarov fs/ntfs3/super.c | 31 +++++++++++++++++++------------ 1 file changed, 19 insertions(+), 12 deletions(-) accumulated error probability: 0.00 culprit signature: 2df0d069ab3366630e6e3e74bda210b34099d93d35f6fcff048f2ea1b0aaf77b parent signature: c5330662d783215efa29aaab99d3ac878ee79c06858cde355986373818dc2a9f revisions tested: 25, total time: 6h47m59.165512272s (build: 3h3m48.62769309s, test: 3h8m40.063679927s) first good commit: bcbb8d0afd94927215e8ae97c40cfefa807cfe0b fs/ntfs3: change the default mount options for "acl" and "prealloc" recipients (to): ["almaz.alexandrovich@paragon-software.com"] recipients (cc): []