ci2 starts bisection 2026-09-28 13:48:33.421801383 +0000 UTC m=+213514.745113862
bisecting cause commit starting from 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e
building syzkaller on a3c7249d3a0d6e9742d03e5567e7949b4772a7a0
ensuring issue is reproducible on original commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e

testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: abc9e39c90789c12479a9ab551ae9326db3dc475ad5157da61bf3f9f5e79ad88
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: crashed: KASAN: slab-out-of-bounds Write in do_split
run #4: crashed: KASAN: slab-out-of-bounds Write in do_split
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: crashed: KASAN: use-after-free Write in do_split
run #7: crashed: KASAN: slab-out-of-bounds Write in do_split
run #8: crashed: KASAN: slab-use-after-free Write in do_split
run #9: crashed: KASAN: slab-use-after-free Write in do_split
run #10: crashed: KASAN: slab-use-after-free Write in do_split
run #11: crashed: KASAN: slab-out-of-bounds Write in do_split
run #12: crashed: KASAN: slab-use-after-free Write in do_split
run #13: crashed: KASAN: slab-out-of-bounds Write in do_split
run #14: crashed: KASAN: use-after-free Write in do_split
run #15: crashed: KASAN: slab-out-of-bounds Write in do_split
run #16: crashed: KASAN: slab-out-of-bounds Write in do_split
run #17: crashed: KASAN: slab-out-of-bounds Write in do_split
run #18: crashed: KASAN: slab-use-after-free Write in do_split
run #19: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
check whether we can drop unnecessary instrumentation
disabling configs for [hang memleak ubsan bug_or_warning locking atomic_sleep], they are not needed
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: cae33d4b55063a212f59f41687d50ac9479ff4670901abc85193900302aea43f
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
kconfig minimization: base=4167 full=8448 leaves diff=2105
split chunks (needed=false): <2105>
split chunk #0 of len 2105 into 5 parts
testing without sub-chunk 1/5
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 51cd6f91152bfb7689acabc99f111e3378d68fdf65207f432e55a9f21fd92d2b
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: crashed: KASAN: slab-use-after-free Write in do_split
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: crashed: KASAN: slab-use-after-free Write in do_split
run #8: crashed: KASAN: slab-use-after-free Write in do_split
run #9: crashed: KASAN: slab-out-of-bounds Write in do_split
run #10: crashed: KASAN: slab-use-after-free Write in do_split
run #11: crashed: KASAN: use-after-free Write in do_split
run #12: crashed: KASAN: slab-use-after-free Write in do_split
run #13: crashed: KASAN: slab-out-of-bounds Write in do_split
run #14: crashed: KASAN: slab-out-of-bounds Write in do_split
run #15: crashed: KASAN: use-after-free Write in do_split
run #16: crashed: KASAN: use-after-free Write in do_split
run #17: crashed: KASAN: slab-out-of-bounds Write in do_split
run #18: crashed: KASAN: slab-use-after-free Write in do_split
run #19: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
the chunk can be dropped
testing without sub-chunk 2/5
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7749e2f8dd2bd36ba74e2f0da8ab19519596464e3d9c73b2839315371ac94c76
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: crashed: KASAN: slab-out-of-bounds Write in do_split
run #4: crashed: KASAN: slab-out-of-bounds Write in do_split
run #5: crashed: KASAN: slab-out-of-bounds Write in do_split
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: crashed: KASAN: slab-use-after-free Write in do_split
run #8: crashed: KASAN: slab-out-of-bounds Write in do_split
run #9: crashed: KASAN: slab-use-after-free Write in do_split
run #10: crashed: KASAN: slab-use-after-free Write in do_split
run #11: crashed: KASAN: slab-use-after-free Write in do_split
run #12: crashed: KASAN: slab-use-after-free Write in do_split
run #13: crashed: KASAN: slab-use-after-free Write in do_split
run #14: crashed: KASAN: slab-out-of-bounds Write in do_split
run #15: crashed: KASAN: slab-out-of-bounds Write in do_split
run #16: crashed: KASAN: slab-use-after-free Write in do_split
run #17: crashed: KASAN: slab-out-of-bounds Write in do_split
run #18: crashed: KASAN: slab-use-after-free Write in do_split
run #19: OK
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
the chunk can be dropped
testing without sub-chunk 3/5
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 0fee15b25ad227b250a3b0671e2ebde94b1d2764166de1d37710c51b11eb492c
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: use-after-free Write in do_split
run #3: crashed: KASAN: use-after-free Write in do_split
run #4: crashed: KASAN: use-after-free Write in do_split
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: crashed: KASAN: use-after-free Write in do_split
run #7: crashed: KASAN: slab-use-after-free Write in do_split
run #8: crashed: KASAN: slab-use-after-free Write in do_split
run #9: crashed: KASAN: slab-out-of-bounds Write in do_split
run #10: crashed: KASAN: slab-out-of-bounds Write in do_split
run #11: crashed: KASAN: slab-use-after-free Write in do_split
run #12: crashed: KASAN: use-after-free Write in do_split
run #13: crashed: KASAN: slab-out-of-bounds Write in do_split
run #14: crashed: KASAN: slab-use-after-free Write in do_split
run #15: crashed: KASAN: slab-use-after-free Write in do_split
run #16: crashed: KASAN: use-after-free Write in do_split
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
the chunk can be dropped
testing without sub-chunk 4/5
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d4469283a3658ce0f525308081237ee86c25da85570ecf665c5123a6e76f224a
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: use-after-free Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: OK
run #5: OK
run #6: OK
run #7: OK
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: KASAN: slab-out-of-bounds Write in do_split, types: [KASAN-WRITE KASAN-USE-AFTER-FREE-WRITE]
testing without sub-chunk 5/5
testing commit 72d3fcf802c45d00b300f25b848a93c3a2bd7c7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 5ddfd1ee397410f42ae4f39dc46d152991de536bf347e9e9f1afd47c23fc9a4b
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: crashed: KASAN: slab-out-of-bounds Write in do_split
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: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
minimized to 842 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 GPIOLIB GUEST_PERF_EVENTS HAVE_ARCH_USERFAULTFD_WP 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_DEMUX 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 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 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 RUSTC_HAS_APXF 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_LANDLOCK_LOG 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 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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 USERFAULTFD_RWP 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 VXLAN WANT_DEV_COREDUMP WEXT_CORE WEXT_PROC WIREGUARD WIRELESS WLAN WLAN_VENDOR_ADMTEK WLAN_VENDOR_MORSEMICRO WLAN_VENDOR_NXP 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_IPTFS 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]
picked [v7.2 v7.1 v7.0 v6.18 v6.16 v6.14 v6.12 v6.10 v6.7 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 45 release tags
testing release v7.2
testing commit 8d3ae59288f1e7d58d76558a6ee96d533bc5019f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7ebfa6616b7ff12e7ffb2ddd88acb4beef62a01ae2295a8e3f9af72dcf898298
run #0: crashed: KASAN: use-after-free Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: crashed: KASAN: slab-out-of-bounds Write in do_split
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: OK
run #7: OK
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: crashed: KASAN: use-after-free Write in do_split
run #17: OK
run #18: OK
run #19: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
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: ec98b47cfa31722fb604759c57423918b18660930d5ca8e68f2d242dfc871890
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: OK
run #3: OK
run #4: OK
run #5: crashed: KASAN: use-after-free Write in do_split
run #6: OK
run #7: OK
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: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
testing release v7.0
testing commit 028ef9c96e96197026887c0f092424679298aae8 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 45ae9424eb22e1be864678a4ae9cb22527bb5b5fd028249d5c32a04e1895025c
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
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: KASAN: slab-out-of-bounds Write in do_split, types: [KASAN-WRITE]
unable to determine the verdict: 19 good runs (wanted 15), for bad wanted 10 in total, got 20
testing release v6.18
testing commit 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d7d576fc10ee399be2fb2434947b0008002b1b2982815e10299a71e871357c48
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: OK
run #3: OK
run #4: OK
run #5: crashed: KASAN: use-after-free Write in do_split
run #6: OK
run #7: OK
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: crashed: KASAN: use-after-free Write in do_split
run #18: crashed: KASAN: slab-use-after-free Write in do_split
run #19: crashed: KASAN: slab-out-of-bounds Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
testing release v6.16
testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: f1eaa61eb38401cba92918045d82861a07b17af35952eeb2862f084ee760a071
all runs: OK
false negative chance: 0.000
# git bisect start 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 038d61fd642278bab63ee8ef722c50d10ab01e8f
Bisecting: 14695 revisions left to test after this (roughly 14 steps)
[943a4fd7e1f382ac35cb630b0c04f695ef12ab2b] Merge branch 'accecn-protocol-patch-series'

testing commit 943a4fd7e1f382ac35cb630b0c04f695ef12ab2b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d9391d67b4bee552ce6a767a0351a134ca4e2ac3181d742f7f91d4b975a71474
run #0: crashed: KASAN: use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: OK
run #4: OK
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: OK
run #7: OK
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: crashed: KASAN: slab-use-after-free Write in do_split
run #19: crashed: KASAN: slab-out-of-bounds Write in do_split
representative crash: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 943a4fd7e1f382ac35cb630b0c04f695ef12ab2b
Bisecting: 7497 revisions left to test after this (roughly 13 steps)
[63eb28bb1402891b1ad2be02a530f29a9dd7f1cd] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

testing commit 63eb28bb1402891b1ad2be02a530f29a9dd7f1cd gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: ea8abf2ec50b90dfe11807f2b181e3dc358fa25b28880714d58b7ffaa28456f6
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: use-after-free Write in do_split
run #4: OK
run #5: crashed: KASAN: slab-out-of-bounds Write in do_split
run #6: OK
run #7: OK
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: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 63eb28bb1402891b1ad2be02a530f29a9dd7f1cd
Bisecting: 3597 revisions left to test after this (roughly 12 steps)
[0ae982df67760cd08affa935c0fe86c8a9311797] Merge tag 'i2c-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux

testing commit 0ae982df67760cd08affa935c0fe86c8a9311797 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: b974fd9a7ae97546dceece2955d16de4a5eb3864e1d971afaf91f6cf85eadb46
run #0: crashed: KASAN: use-after-free Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: OK
run #3: crashed: KASAN: slab-out-of-bounds Write in do_split
run #4: crashed: KASAN: slab-out-of-bounds Write in do_split
run #5: crashed: KASAN: use-after-free Write in do_split
run #6: OK
run #7: OK
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: crashed: KASAN: use-after-free Write in do_split
run #17: crashed: KASAN: slab-out-of-bounds Write in do_split
run #18: OK
run #19: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 0ae982df67760cd08affa935c0fe86c8a9311797
Bisecting: 1728 revisions left to test after this (roughly 11 steps)
[fcb117e0758d1462128a50c5788555e03b48833b] Merge tag 'gpio-updates-for-v6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

testing commit fcb117e0758d1462128a50c5788555e03b48833b gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 71568dd8ef0c4852b7d596e5a49c9e4c33d85d000b893cd745d51e9c714a0c9e
run #0: crashed: KASAN: use-after-free Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: crashed: KASAN: use-after-free Write in do_split
run #3: crashed: KASAN: use-after-free Write in do_split
run #4: crashed: KASAN: slab-out-of-bounds Write in do_split
run #5: OK
run #6: OK
run #7: crashed: KASAN: use-after-free Write in do_split
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: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad fcb117e0758d1462128a50c5788555e03b48833b
Bisecting: 914 revisions left to test after this (roughly 10 steps)
[a578dd095dfe8b56c167201d9aea43e47d27f807] Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

testing commit a578dd095dfe8b56c167201d9aea43e47d27f807 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 7ce9a58739eda0f162a862563600d4da6cb8e743318d8b1dc25e7582706df95f
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: OK
run #4: crashed: KASAN: use-after-free Write in do_split
run #5: crashed: KASAN: use-after-free Write in do_split
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: OK
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: basic kernel testing failed: failed to copy binary to VM: scp failed: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/tmp/syz-executor3468585462" "root@10.128.10.18:ci2-upstream-fs-bisect-job/syz-executor3468585462"]
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad a578dd095dfe8b56c167201d9aea43e47d27f807
Bisecting: 465 revisions left to test after this (roughly 9 steps)
[7879d7aff0ffd969fcb1a59e3f87ebb353e47b7f] Merge tag 'vfs-6.17-rc1.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

testing commit 7879d7aff0ffd969fcb1a59e3f87ebb353e47b7f gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: ad21df0405e34097db3461396b705e938a1501a685bf970033e08bda9ae9e06e
run #0: crashed: KASAN: use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: slab-out-of-bounds Write in do_split
run #4: crashed: KASAN: use-after-free Write in do_split
run #5: crashed: WARNING in __run_timer_base
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: crashed: KASAN: slab-out-of-bounds Write in do_split
run #8: crashed: KASAN: slab-use-after-free Write in do_split
run #9: OK
run #10: crashed: KASAN: use-after-free Write in do_split
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: OK
run #16: OK
run #17: OK
run #18: crashed: KASAN: slab-use-after-free Write in do_split
run #19: crashed: KASAN: slab-out-of-bounds Write in do_split
representative crash: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 7879d7aff0ffd969fcb1a59e3f87ebb353e47b7f
Bisecting: 238 revisions left to test after this (roughly 8 steps)
[76a9701325d39d8602695b19c49a9d0828c897ca] Merge tag 'erofs-for-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs

testing commit 76a9701325d39d8602695b19c49a9d0828c897ca gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 9848f7dbcb979e31188ee2b5bfa3c80076296e6eb78d406688b12b2fba533119
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: crashed: KASAN: slab-use-after-free Write in do_split
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: crashed: KASAN: slab-use-after-free Write in do_split
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 76a9701325d39d8602695b19c49a9d0828c897ca
Bisecting: 113 revisions left to test after this (roughly 7 steps)
[b7db594bc2b7e0518fae6b1b4eff45bafd9da2c0] btrfs: remove pointless out label from load_free_space_bitmaps()

testing commit b7db594bc2b7e0518fae6b1b4eff45bafd9da2c0 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 820bd4a07ae096b1eba210e2195200c4e25a59b056bc2d196a892ce2f7d44071
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
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: crashed: KASAN: use-after-free Write in do_split
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad b7db594bc2b7e0518fae6b1b4eff45bafd9da2c0
Bisecting: 56 revisions left to test after this (roughly 6 steps)
[148961dac302c3051aeb5b918c661d7924e6b6bd] btrfs: rename err to ret in btrfs_fill_super()

testing commit 148961dac302c3051aeb5b918c661d7924e6b6bd gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: c20e1eb85f8f4d2e1e748ddf310a35807cac05f2e3918ec7fe3c5572990be295
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-out-of-bounds Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: crashed: KASAN: slab-use-after-free Write in do_split
run #5: crashed: KASAN: slab-out-of-bounds Write in do_split
run #6: OK
run #7: crashed: KASAN: slab-out-of-bounds Write in do_split
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: OK
run #13: OK
run #14: OK
run #15: crashed: KASAN: slab-use-after-free Write in do_split
run #16: OK
run #17: OK
run #18: OK
run #19: OK
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 148961dac302c3051aeb5b918c661d7924e6b6bd
Bisecting: 28 revisions left to test after this (roughly 5 steps)
[287480e2691a62ed69daf9764ac6fd34f5fa85f2] btrfs: use rb_find_add() in insert_ref_entry()

testing commit 287480e2691a62ed69daf9764ac6fd34f5fa85f2 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: d3f928991bcd71d9cd872332432b55d869b652e1d51c1ec0a596a860ec7556fa
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: use-after-free Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
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: crashed: KASAN: use-after-free Write in do_split
representative crash: KASAN: use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 287480e2691a62ed69daf9764ac6fd34f5fa85f2
Bisecting: 13 revisions left to test after this (roughly 4 steps)
[273bbb5b487f0c562e1f7373601568933dc25fea] btrfs: unfold transaction abort at btrfs_copy_root()

testing commit 273bbb5b487f0c562e1f7373601568933dc25fea gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 90b3963d2dfb4618f841982607cbc798566c362ac7e5a8d2dff662fdd8610349
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: OK
run #5: OK
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: crashed: KASAN: slab-use-after-free Write in do_split
run #8: crashed: KASAN: use-after-free Write in do_split
run #9: crashed: KASAN: use-after-free Write in do_split
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: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad 273bbb5b487f0c562e1f7373601568933dc25fea
Bisecting: 6 revisions left to test after this (roughly 3 steps)
[2a946bf6d675178934100582317d58ce74f9e5af] btrfs: make btrfs_should_periodic_reclaim() static

testing commit 2a946bf6d675178934100582317d58ce74f9e5af gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: e70b939a3e32b751e1144d2dc41507a8a3a3feacef4b09dc977ae50ea752c36d
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
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: crashed: KASAN: slab-use-after-free Write in do_split
run #19: OK
representative crash: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 2a946bf6d675178934100582317d58ce74f9e5af
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[5cf0e668ea8a64b45918aee38f5602b9dbbc3e7e] btrfs: unfold transaction abort at walk_up_proc()

testing commit 5cf0e668ea8a64b45918aee38f5602b9dbbc3e7e gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 551dd1a5a4ed92bd03c121b7073f9a6815154cdfafa3d502beca21b21c50f2f2
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: crashed: KASAN: slab-out-of-bounds Write in do_split
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: crashed: KASAN: slab-use-after-free Write in do_split
run #4: crashed: KASAN: use-after-free Write in do_split
run #5: crashed: KASAN: slab-use-after-free Write in do_split
run #6: crashed: KASAN: slab-use-after-free Write in do_split
run #7: OK
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: KASAN: slab-use-after-free Write in do_split, types: [KASAN-USE-AFTER-FREE-WRITE KASAN-WRITE]
# git bisect bad 5cf0e668ea8a64b45918aee38f5602b9dbbc3e7e
Bisecting: 0 revisions left to test after this (roughly 1 step)
[227aa55fa2bf4bb81f654c62cbcc6569854c1730] btrfs: unfold transaction abort at __btrfs_inc_extent_ref()

testing commit 227aa55fa2bf4bb81f654c62cbcc6569854c1730 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: daa334a83d229c51aff77a002e999277081b6358de7fa4ec5f2f780c6925199d
run #0: crashed: KASAN: slab-use-after-free Write in do_split
run #1: crashed: KASAN: slab-use-after-free Write in do_split
run #2: crashed: KASAN: use-after-free Write in do_split
run #3: crashed: KASAN: slab-out-of-bounds Write in do_split
run #4: OK
run #5: crashed: KASAN: slab-out-of-bounds Write in do_split
run #6: crashed: KASAN: slab-out-of-bounds Write in do_split
run #7: OK
run #8: OK
run #9: OK
run #10: OK
run #11: OK
run #12: crashed: KASAN: slab-out-of-bounds Write in do_split
run #13: OK
run #14: crashed: KASAN: slab-out-of-bounds Write in do_split
run #15: OK
run #16: OK
run #17: OK
run #18: OK
run #19: crashed: KASAN: slab-out-of-bounds Write in do_split
representative crash: KASAN: slab-out-of-bounds Write in do_split, types: [KASAN-WRITE KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad 227aa55fa2bf4bb81f654c62cbcc6569854c1730
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[3f757b56f1c4579fe32b810bce1d39f202964412] btrfs: unfold transaction aborts at btrfs_create_new_inode()

testing commit 3f757b56f1c4579fe32b810bce1d39f202964412 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 40004844cb83e6d744f097de15846e30409f261e317d47e29b609dca3cc3bc3d
run #0: crashed: KASAN: slab-out-of-bounds Write in do_split
run #1: OK
run #2: crashed: KASAN: slab-use-after-free Write in do_split
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: crashed: KASAN: slab-out-of-bounds Write in do_split
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: crashed: KASAN: slab-out-of-bounds Write in do_split
run #19: crashed: KASAN: slab-use-after-free Write in do_split
representative crash: KASAN: slab-out-of-bounds Write in do_split, types: [KASAN-WRITE KASAN-USE-AFTER-FREE-WRITE]
# git bisect bad 3f757b56f1c4579fe32b810bce1d39f202964412
3f757b56f1c4579fe32b810bce1d39f202964412 is the first bad commit
commit 3f757b56f1c4579fe32b810bce1d39f202964412
Author: Filipe Manana <fdmanana@suse.com>
Date:   Fri May 16 17:07:40 2025 +0100

    btrfs: unfold transaction aborts at btrfs_create_new_inode()
    
    Instead of having a common btrfs_abort_transaction() call for when either
    btrfs_orphan_add() failed or when btrfs_add_link() failed, move the
    btrfs_abort_transaction() to happen immediately after each one of those
    calls, so that when analysing a stack trace with a transaction abort we
    know which call failed.
    
    Reviewed-by: Boris Burkov <boris@bur.io>
    Reviewed-by: Qu Wenruo <wqu@suse.com>
    Signed-off-by: Filipe Manana <fdmanana@suse.com>
    Reviewed-by: David Sterba <dsterba@suse.cz>
    Signed-off-by: David Sterba <dsterba@suse.com>

 fs/btrfs/inode.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

accumulated error probability: 0.00
parent commit 89be9a83ccf1f88522317ce02f854f30d6115c41 wasn't tested
testing commit 89be9a83ccf1f88522317ce02f854f30d6115c41 gcc
compiler: Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8
kernel signature: 6600e9173c5590061a0f0d5a157cdda87b161c94f0fac5d52dfa2b2adda88589
culprit signature: 40004844cb83e6d744f097de15846e30409f261e317d47e29b609dca3cc3bc3d
parent  signature: 6600e9173c5590061a0f0d5a157cdda87b161c94f0fac5d52dfa2b2adda88589
reproducer is flaky (0.21 repro chance estimate)
revisions tested: 27, total time: 10h42m50.517547193s (build: 3h19m53.047996661s, test: 6h23m56.426998479s)
first bad commit: 3f757b56f1c4579fe32b810bce1d39f202964412 btrfs: unfold transaction aborts at btrfs_create_new_inode()
recipients (to): ["boris@bur.io" "dsterba@suse.com" "dsterba@suse.cz" "fdmanana@suse.com" "wqu@suse.com"]
recipients (cc): []
crash: KASAN: slab-out-of-bounds Write in do_split
==================================================================
BUG: KASAN: slab-out-of-bounds in dx_move_dirents fs/ext4/namei.c:1863 [inline]
BUG: KASAN: slab-out-of-bounds in do_split+0x120c/0x1d40 fs/ext4/namei.c:1993
Write of size 24923 at addr ffff88801df26c6e by task syz.2.164/5963

CPU: 0 UID: 0 PID: 5963 Comm: syz.2.164 Not tainted syzkaller #0 PREEMPT_{RT,(lazy)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x11f/0x1c0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xba/0x220 mm/kasan/report.c:480
 kasan_report+0x117/0x150 mm/kasan/report.c:593
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x264/0x2c0 mm/kasan/generic.c:189
 __asan_memset+0x22/0x50 mm/kasan/shadow.c:84
 dx_move_dirents fs/ext4/namei.c:1863 [inline]
 do_split+0x120c/0x1d40 fs/ext4/namei.c:1993
 make_indexed_dir+0xbf8/0x10c0 fs/ext4/namei.c:2328
 ext4_add_entry+0x1959/0x1b70 fs/ext4/namei.c:2435
 ext4_rename fs/ext4/namei.c:3924 [inline]
 ext4_rename2+0x1700/0x26b0 fs/ext4/namei.c:4203
 vfs_rename+0x919/0xcf0 fs/namei.c:5137
 do_renameat2+0x69f/0xaa0 fs/namei.c:5286
 __do_sys_rename fs/namei.c:5333 [inline]
 __se_sys_rename fs/namei.c:5331 [inline]
 __x64_sys_rename+0x7d/0x90 fs/namei.c:5331
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf0/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f99429ee159
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:00007f994282e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f9942c76090 RCX: 00007f99429ee159
RDX: 0000000000000000 RSI: 0000200000000780 RDI: 0000200000000100
RBP: 00007f9942a8506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9942c76128 R14: 00007f9942c76090 R15: 00007ffcd1422e48
 </TASK>

The buggy address belongs to the physical page:
page: refcount:3 mapcount:0 mapping:ffff88801b452fb0 index:0x8 pfn:0x1df26
memcg:ffff888013eb1a80
aops:def_blk_aops ino:700002 dentry name(?):""
flags: 0x80000000004114(referenced|dirty|active|private|node=0|zone=1)
raw: 0080000000004114 0000000000000000 dead000000000122 ffff88801b452fb0
raw: 0000000000000008 ffff88801f159250 00000003ffffffff ffff888013eb1a80
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x148c40(GFP_NOFS|__GFP_NOFAIL|__GFP_COMP|__GFP_HARDWALL), pid 5963, tgid 5950 (syz.2.164), ts 199340983070, free_ts 199193001391
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x234/0x280 mm/page_alloc.c:1704
 prep_new_page mm/page_alloc.c:1712 [inline]
 get_page_from_freelist+0x20bd/0x2160 mm/page_alloc.c:3669
 __alloc_frozen_pages_noprof+0x18d/0x380 mm/page_alloc.c:4959
 alloc_pages_mpol+0xca/0x1e0 mm/mempolicy.c:2419
 alloc_frozen_pages_noprof mm/mempolicy.c:2490 [inline]
 alloc_pages_noprof+0xf6/0x190 mm/mempolicy.c:2510
 folio_alloc_noprof+0x14/0x90 mm/mempolicy.c:2520
 filemap_alloc_folio_noprof+0xc5/0x400 mm/filemap.c:1007
 __filemap_get_folio+0xe2/0x5c0 mm/filemap.c:1980
 grow_dev_folio fs/buffer.c:1050 [inline]
 grow_buffers fs/buffer.c:1116 [inline]
 __getblk_slow fs/buffer.c:1140 [inline]
 bdev_getblk+0x151/0x4f0 fs/buffer.c:1467
 getblk_unmovable include/linux/buffer_head.h:371 [inline]
 ext4_getblk+0x270/0x610 fs/ext4/inode.c:975
 ext4_bread+0xf/0xf0 fs/ext4/inode.c:1023
 ext4_append+0x229/0x450 fs/ext4/namei.c:83
 make_indexed_dir+0x3c1/0x10c0 fs/ext4/namei.c:2255
 ext4_add_entry+0x1959/0x1b70 fs/ext4/namei.c:2435
 ext4_rename fs/ext4/namei.c:3924 [inline]
 ext4_rename2+0x1700/0x26b0 fs/ext4/namei.c:4203
 vfs_rename+0x919/0xcf0 fs/namei.c:5137
page last free pid 21 tgid 21 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0xc2c/0xe40 mm/page_alloc.c:2706
 pagetable_free include/linux/mm.h:2884 [inline]
 pagetable_dtor_free include/linux/mm.h:2982 [inline]
 __tlb_remove_table+0x22c/0x310 include/asm-generic/tlb.h:220
 __tlb_remove_table_free mm/mmu_gather.c:227 [inline]
 tlb_remove_table_rcu+0x6e/0xd0 mm/mmu_gather.c:290
 rcu_do_batch kernel/rcu/tree.c:2576 [inline]
 rcu_core kernel/rcu/tree.c:2832 [inline]
 rcu_cpu_kthread+0xba9/0x1b50 kernel/rcu/tree.c:2920
 smpboot_thread_fn+0x4ce/0x8d0 kernel/smpboot.c:164
 kthread+0x63f/0x7b0 kernel/kthread.c:464
 ret_from_fork+0x331/0x5d0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff88801df28300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801df28380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801df28400: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc
                                     ^
 ffff88801df28480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88801df28500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================