ci2 starts bisection 2025-10-16 09:08:55.745080213 +0000 UTC m=+60507.567431404 bisecting fixing commit since b6add54ba61890450fa54fd9327d10fdfd653439 building syzkaller on bf27483f963359281b2d9b6d6efd36289f82e282 ensuring issue is reproducible on original commit b6add54ba61890450fa54fd9327d10fdfd653439 testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: fac49c40d79bd7f20b1f92972080ee4c0bdbbf81511a4345ff709ab388216560 run #0: crashed: INFO: task hung in bch2_readahead run #1: crashed: INFO: task hung in truncate_setsize run #2: crashed: INFO: task hung in bch2_readahead run #3: crashed: INFO: task hung in bch2_readahead run #4: crashed: INFO: task hung in bch2_readahead run #5: crashed: INFO: task hung in truncate_setsize run #6: crashed: INFO: task hung in corrupted run #7: crashed: INFO: task hung in bch2_readahead run #8: crashed: INFO: task hung in bch2_readahead run #9: crashed: INFO: task hung in bch2_readahead run #10: crashed: INFO: task hung in bch2_readahead run #11: crashed: INFO: task hung in bch2_readahead run #12: crashed: INFO: task hung in bch2_readahead run #13: crashed: INFO: task hung in bch2_readahead run #14: crashed: INFO: task hung in bch2_readahead run #15: crashed: INFO: task hung in bch2_readahead run #16: crashed: INFO: task hung in bch2_readahead run #17: crashed: INFO: task hung in bch2_readahead run #18: crashed: INFO: task hung in bch2_readahead run #19: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] check whether we can drop unnecessary instrumentation disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: def83058edba25be6617efaf0eaf393cf547d216d6867accc08a625323a6e463 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] the bug reproduces without the instrumentation disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed kconfig minimization: base=4108 full=8349 leaves diff=2173 split chunks (needed=false): <2173> split chunk #0 of len 2173 into 5 parts testing without sub-chunk 1/5 disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 95b0ace1443381a9ae6a46547201a67836b14519f2962d02703840816916be2f all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 94fdc7e86b609d71c8d85ff31dff78df884fac66dc58505989e89dc82dd5b94b all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [memleak ubsan bug_or_warning kasan locking atomic_sleep], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2839f6b6dee04d49ab4279135574d7e6ce26ff70c28a4092186a7eb03a7bb12e all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [bug_or_warning kasan locking atomic_sleep memleak ubsan], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d0cd7818b75583d7ee86a0dded94e4afc7e6db91e20a2fb86296615def881d45 all runs: OK false negative chance: 0.000 testing without sub-chunk 5/5 disabling configs for [kasan locking atomic_sleep memleak ubsan bug_or_warning], they are not needed testing commit b6add54ba61890450fa54fd9327d10fdfd653439 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b88182cc8b9e25cfa5295d2cc17a4b5e633fa05d943f34470bd5726d05bba4e5 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] the chunk can be dropped minimized to 870 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_CFI_CLANG ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR AS_AVX512 AS_GFNI AS_VAES AS_VPCLMULQDQ ATARI_PARTITION ATA_GENERIC ATA_OVER_ETH ATH10K ATH10K_CE ATH10K_LEDS ATH10K_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG ATH9K_COMMON_SPECTRAL ATH9K_DEBUGFS ATH9K_DYNACK ATH9K_HTC ATH9K_HTC_DEBUGFS ATH9K_HW ATH9K_PCI ATH9K_PCOEM ATH9K_RFKILL ATH_COMMON ATM ATM_BR2684 ATM_CLIP ATM_DRIVERS ATM_LANE ATM_MPOA ATM_TCP AUXILIARY_BUS AX25 AX25_DAMA_SLAVE AX88796B_PHY BAREUDP BATMAN_ADV BATMAN_ADV_BATMAN_V BATMAN_ADV_BLA BATMAN_ADV_DAT BATMAN_ADV_MCAST BATMAN_ADV_NC BCACHE BCACHEFS_DEBUG BCACHEFS_ERASURE_CODING BCACHEFS_FS BCACHEFS_POSIX_ACL BCACHEFS_QUOTA BCACHEFS_SIX_OPTIMISTIC_SPIN BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_PUNT_BIO BLK_CGROUP_RWSTAT BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_HIDP BT_INTEL BT_LE BT_LEDS BT_LE_L2CAP_ECRED BT_MRVL BT_MRVL_SDIO BT_MSFTEXT BT_MTK BT_MTKSDIO BT_MTKUART BT_QCA BT_RFCOMM BT_RFCOMM_TTY BT_RTL BXT_WC_PMIC_OPREGION CACHEFILES CAIF CAIF_DEBUG CAIF_DRIVERS CAIF_NETDEV CAIF_TTY CAIF_USB CAIF_VIRTIO CAN CAN_8DEV_USB CAN_BCM CAN_CALC_BITTIMING CAN_DEV CAN_EMS_USB CAN_ESD_USB CAN_ETAS_ES58X CAN_F81604 CAN_GS_USB CAN_GW CAN_IFI_CANFD CAN_ISOTP CAN_J1939 CAN_KVASER_USB CAN_MCBA_USB CAN_NETLINK CAN_PEAK_USB CAN_RAW CAN_RX_OFFLOAD CAN_SLCAN CAN_UCAN CAN_VCAN CAN_VXCAN CARL9170 CARL9170_HWRNG CARL9170_LEDS CARL9170_WPC CEC_CORE CEPH_FS CEPH_FSCACHE CEPH_FS_POSIX_ACL CEPH_LIB CEPH_LIB_USE_DNS_RESOLVER CFG80211 CFG80211_CRDA_SUPPORT CFG80211_DEBUGFS CFG80211_DEFAULT_PS CFG80211_REQUIRE_SIGNED_REGDB CFG80211_USE_KERNEL_REGDB_KEYS CFG80211_WEXT CFS_BANDWIDTH CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_ADQ12B COMEDI_AIO_AIO12_8 COMEDI_AIO_IIRO_16 COMEDI_AMPLC_DIO200 COMEDI_AMPLC_DIO200_ISA COMEDI_AMPLC_PC236 COMEDI_AMPLC_PC236_ISA COMEDI_AMPLC_PC263_ISA COMEDI_BOND COMEDI_C6XDIGIO COMEDI_DAC02 COMEDI_DAS08 COMEDI_DAS08_ISA COMEDI_DAS16M1 COMEDI_DAS1800 COMEDI_DAS6402 COMEDI_DAS800 COMEDI_DMM32AT COMEDI_DT2801 COMEDI_DT2811 COMEDI_DT2814 COMEDI_DT2815 COMEDI_DT2817 COMEDI_DT282X COMEDI_DT9812 COMEDI_FL512 COMEDI_ISADMA COMEDI_ISA_DRIVERS COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_MPC624 COMEDI_MULTIQ3 COMEDI_NI_ATMIO16D COMEDI_NI_AT_A2150 COMEDI_NI_AT_AO COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_ISA COMEDI_NI_LABPC_ISADMA COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCL711 COMEDI_PCL724 COMEDI_PCL726 COMEDI_PCL730 COMEDI_PCL812 COMEDI_PCL816 COMEDI_PCL818 COMEDI_PCM3724 COMEDI_PCMAD COMEDI_PCMCIA_DRIVERS COMEDI_PCMDA12 COMEDI_PCMMIO COMEDI_PCMUIO COMEDI_RTI800 COMEDI_RTI802 COMEDI_S526 COMEDI_TEST COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC64 CRC64_ARCH CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32C CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_BLAKE2S_GENERIC CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_SM3 CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305_X86_64 CRYPTO_POLYVAL CRYPTO_POLYVAL_CLMUL_NI CRYPTO_RMD160 CRYPTO_SEED CRYPTO_SERPENT CRYPTO_SERPENT_AVX2_X86_64 CRYPTO_SERPENT_AVX_X86_64 CRYPTO_SERPENT_SSE2_X86_64 CRYPTO_SM3_AVX_X86_64 CRYPTO_SM4 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_SM4_GENERIC CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CRYPTO_ZSTD CUSE CYPRESS_FIRMWARE DAMON DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEBUG_VFS DEFAULT_CODEL DEVICE_MIGRATION DLM DMA_CMA DRM DVB_CORE ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS 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_RTRS_CLIENT INFINIBAND_USER_ACCESS INFINIBAND_VIRT_DMA INPUT_TABLET INPUT_TOUCHSCREEN INTEL_SCU_IPC INTEL_SOC_PMIC_BXTWC IOSCHED_BFQ IP_SCTP ISA_BUS L2TP LEDS_CLASS_MULTICOLOR LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_COMMON_OPTIONS MEDIA_DIGITAL_TV_SUPPORT MEDIA_PLATFORM_SUPPORT MEDIA_RADIO_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_CLS_U32 NET_IPGRE NET_IPGRE_DEMUX NET_SCH_DEFAULT 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 ORANGEFS_FS OSF_PARTITION OVERLAY_FS OVERLAY_FS_DEBUG OVERLAY_FS_INDEX OVERLAY_FS_REDIRECT_ALWAYS_FOLLOW OVERLAY_FS_REDIRECT_DIR PACKET_DIAG PAGE_IDLE_FLAG PAGE_REPORTING PAHOLE_HAS_BTF_TAG PAHOLE_HAS_LANG_EXCLUDE PAHOLE_HAS_SPLIT_BTF PARPORT PARPORT_NOT_PC PARTITION_ADVANCED PCCARD PCCARD_NONSTATIC PCIEAER PCI_ENDPOINT PCI_IOV PCMCIA PCMCIA_LOAD_CIS PERCPU_STATS PERSISTENT_KEYRINGS PHYLINK PHY_CPCAP_USB PHY_QCOM_USB_HS PHY_QCOM_USB_HSIC PHY_SAMSUNG_USB2 PHY_TUSB1210 PKCS7_TEST_KEY PKCS8_PRIVATE_KEY_PARSER PLAYSTATION_FF PLFXLC PMIC_OPREGION PM_CLK PNFS_BLOCK PNFS_FILE_LAYOUT PNFS_FLEXFILE_LAYOUT PPP PPPOATM PPPOE PPPOE_HASH_BITS_1 PPPOL2TP PPP_ASYNC PPP_BSDCOMP PPP_DEFLATE PPP_FILTER PPP_MPPE PPP_MULTILINK PPP_SYNC_TTY PPTP PREEMPT PREEMPT_NOTIFIERS 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_COOKIE_HMAC_MD5 SCTP_COOKIE_HMAC_SHA1 SCTP_DEFAULT_COOKIE_HMAC_MD5 SECONDARY_TRUSTED_KEYRING SECURITY_INFINIBAND SECURITY_NETWORK_XFRM SECURITY_SMACK_NETFILTER SENSORS_AQUACOMPUTER_D5NEXT SENSORS_CORSAIR_CPRO SENSORS_CORSAIR_PSU SENSORS_GIGABYTE_WATERFORCE SENSORS_NZXT_KRAKEN2 SENSORS_NZXT_SMART2 SENSORS_POWERZ SERIAL_DEV_BUS SERIAL_DEV_CTRL_TTYPORT SERIAL_MCTRL_GPIO SGI_PARTITION SIGNATURE SIGNED_PE_FILE_VERIFICATION SKB_DECRYPTED SLHC SLIP SLIP_COMPRESSED SLIP_MODE_SLIP6 SLIP_SMART SMARTJOYPLUS_FF SMBFS SMB_SERVER SMC SMC_DIAG SMSC_PHY SMS_SDIO_DRV SMS_SIANO_DEBUGFS SMS_SIANO_MDTV SMS_SIANO_RC SMS_USB_DRV SND SND_ALOOP SND_BCD2000 SND_CTL_FAST_LOOKUP SND_CTL_LED SND_DEBUG SND_DMA_SGBUF SND_DRIVERS SND_DUMMY SND_DYNAMIC_MINORS SND_HDA SND_HDA_CODEC_ALC260 SND_HDA_CODEC_ALC262 SND_HDA_CODEC_ALC268 SND_HDA_CODEC_ALC269 SND_HDA_CODEC_ALC662 SND_HDA_CODEC_ALC680 SND_HDA_CODEC_ALC861 SND_HDA_CODEC_ALC861VD SND_HDA_CODEC_ALC880 SND_HDA_CODEC_ALC882 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_CS420X SND_HDA_CODEC_CS421X SND_HDA_CODEC_HDMI SND_HDA_CODEC_HDMI_ATI SND_HDA_CODEC_HDMI_GENERIC SND_HDA_CODEC_HDMI_INTEL SND_HDA_CODEC_HDMI_NVIDIA SND_HDA_CODEC_HDMI_NVIDIA_MCP SND_HDA_CODEC_HDMI_SIMPLE SND_HDA_CODEC_HDMI_TEGRA SND_HDA_CODEC_REALTEK SND_HDA_CODEC_REALTEK_LIB 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_HDA_SCODEC_COMPONENT SND_HRTIMER SND_HWDEP SND_INTEL_DSP_CONFIG SND_INTEL_NHLT SND_INTEL_SOUNDWIRE_ACPI SND_JACK SND_JACK_INPUT_DEV SND_MIXER_OSS SND_OSSEMUL SND_PCI SND_PCM SND_PCMCIA SND_PCM_ELD SND_PCM_OSS SND_PCM_OSS_PLUGINS SND_PCM_TIMER SND_PCM_XRUN_DEBUG SND_PROC_FS SND_RAWMIDI SND_SEQUENCER SND_SEQUENCER_OSS SND_SEQ_DEVICE SND_SEQ_DUMMY SND_SEQ_HRTIMER_DEFAULT SND_SEQ_MIDI SND_SEQ_MIDI_EVENT SND_SEQ_VIRMIDI SND_SOC SND_SOC_I2C_AND_SPI SND_SOC_SDCA_OPTIONAL SND_SUPPORT_OLD_API SND_TIMER SND_UMP SND_UMP_LEGACY_RAWMIDI SND_USB SND_USB_6FIRE SND_USB_AUDIO SND_USB_AUDIO_MIDI_V2 SND_USB_AUDIO_USE_MEDIA_CONTROLLER SND_USB_CAIAQ SND_USB_CAIAQ_INPUT SND_USB_HIFACE SND_USB_LINE6 SND_USB_POD SND_USB_PODHD SND_USB_TONEPORT SND_USB_UA101 SND_USB_US122L SND_USB_USX2Y SND_USB_VARIAX SND_VERBOSE_PROCFS SND_VIRMIDI SND_VIRTIO SND_VMASTER SND_X86 SOCK_VALIDATE_XMIT SOLARIS_X86_PARTITION SONY_FF SOUND SOUNDWIRE SOUND_OSS_CORE SOUND_OSS_CORE_PRECLAIM SPI SPI_DLN2 SPI_DYNAMIC SPI_LJCA SPI_MASTER SQUASHFS SQUASHFS_4K_DEVBLK_SIZE SQUASHFS_COMPILE_DECOMP_MULTI SQUASHFS_DECOMP_MULTI SQUASHFS_FILE_DIRECT SQUASHFS_LZ4 SQUASHFS_LZO SQUASHFS_XATTR SQUASHFS_XZ SQUASHFS_ZLIB SQUASHFS_ZSTD SSB SSB_PCIHOST_POSSIBLE SSB_PCMCIAHOST_POSSIBLE SSB_SDIOHOST_POSSIBLE STEAM_FF STP STREAM_PARSER SUNRPC_BACKCHANNEL SUN_PARTITION SURFACE_AGGREGATOR SURFACE_AGGREGATOR_BUS SURFACE_AGGREGATOR_REGISTRY SURFACE_HID SURFACE_HID_CORE SURFACE_KBD SW_SYNC SYSFB SYSFS_SYSCALL SYSV68_PARTITION TABLET_USB_ACECAD TABLET_USB_AIPTEK TABLET_USB_HANWANG TABLET_USB_KBTAB TABLET_USB_PEGASUS TAHVO_USB TAHVO_USB_HOST_BY_DEFAULT TCG_CRB TCG_TIS TCG_TIS_CORE TCG_TPM TCP_CONG_BBR TCP_CONG_BIC TCP_CONG_CDG TCP_CONG_DCTCP TCP_CONG_HSTCP TCP_CONG_HTCP TCP_CONG_HYBLA TCP_CONG_ILLINOIS TCP_CONG_LP TCP_CONG_NV TCP_CONG_SCALABLE TCP_CONG_VEGAS TCP_CONG_VENO TCP_CONG_WESTWOOD TCP_CONG_YEAH TEE TEXTSEARCH TEXTSEARCH_BM TEXTSEARCH_FSM TEXTSEARCH_KMP THRUSTMASTER_FF TIPC TIPC_CRYPTO TIPC_DIAG TIPC_MEDIA_IB TIPC_MEDIA_UDP TLS TLS_DEVICE 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_DWC2 USB_GADGET USB_LJCA USB_MUSB_HDRC USB_PHY USB_ROLE_SWITCH USB_STORAGE_REALTEK USB_ULPI_BUS VIDEO_DEV VLAN_8021Q VXLAN WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH WLAN_VENDOR_PURELIFI ZONE_DEVICE] disabling configs for [ubsan bug_or_warning kasan locking atomic_sleep memleak], they are not needed testing current HEAD 7ea30958b3054f5e488fa0b33c352723f7ab3a2a testing commit 7ea30958b3054f5e488fa0b33c352723f7ab3a2a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: dcd80ce04193a6ec358d44a08d156ee020ec7cb575428050bbfc0cbcd444f3b8 all runs: OK false negative chance: 0.000 # git bisect start 7ea30958b3054f5e488fa0b33c352723f7ab3a2a b6add54ba61890450fa54fd9327d10fdfd653439 Bisecting: 6506 revisions left to test after this (roughly 13 steps) [58809f614e0e3f4e12b489bddf680bfeb31c0a20] Merge tag 'drm-next-2025-10-01' of https://gitlab.freedesktop.org/drm/kernel determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit 58809f614e0e3f4e12b489bddf680bfeb31c0a20 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8f938a45632559109cb552418fce05bc7c72b7e947b7affdd34ce0695063cc59 all runs: OK false negative chance: 0.000 # git bisect bad 58809f614e0e3f4e12b489bddf680bfeb31c0a20 Bisecting: 3865 revisions left to test after this (roughly 12 steps) [5fb024931949f3475260c84a0e4b0997af9c5530] Merge tag 'pinctrl-v6.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit 5fb024931949f3475260c84a0e4b0997af9c5530 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 16f05b5f25881656768f8b692848ab55f5f748aa8a979d471154c6f2d6f50b95 all runs: OK false negative chance: 0.000 # git bisect bad 5fb024931949f3475260c84a0e4b0997af9c5530 Bisecting: 2005 revisions left to test after this (roughly 11 steps) [fe68bb2861808ed5c48d399bd7e670ab76829d55] Merge tag 'microblaze-v6.18' of git://git.monstr.eu/linux-2.6-microblaze determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit fe68bb2861808ed5c48d399bd7e670ab76829d55 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b59c725a171ec54b9e8c68ba695bbf626f2cdc9e3d644836c8141f78cc925366 all runs: OK false negative chance: 0.000 # git bisect bad fe68bb2861808ed5c48d399bd7e670ab76829d55 Bisecting: 964 revisions left to test after this (roughly 10 steps) [86cc796e5e9bff0c3993607f4301b8188095516c] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit 86cc796e5e9bff0c3993607f4301b8188095516c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d11a5dc428ef00aaadf88dbab2626446a70c24c00782aa4d96716ce8f98893a2 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 86cc796e5e9bff0c3993607f4301b8188095516c Bisecting: 482 revisions left to test after this (roughly 9 steps) [2c6b999a90987a86285865569eac8a5a51ce18a1] smb: client: pass struct smbdirect_socket to smbd_negotiate() determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit 2c6b999a90987a86285865569eac8a5a51ce18a1 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 4ff39b22a8398ac991dbcfba137ae995c4a061fbd2b405e38ed8c6c3aab866d6 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 2c6b999a90987a86285865569eac8a5a51ce18a1 Bisecting: 266 revisions left to test after this (roughly 8 steps) [a40eb50a9566318a138b3e222fc4fe04e3932cda] Merge tag 'gfs2-for-6.18' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 determine whether the revision contains the guilty commit revision 86cc796e5e9bff0c3993607f4301b8188095516c crashed and is reachable testing commit a40eb50a9566318a138b3e222fc4fe04e3932cda gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0c3847b068fd2ba4e7e623b29c1196c3fc8d3980d52999d9d1f0e33e170fd74a all runs: OK false negative chance: 0.000 # git bisect bad a40eb50a9566318a138b3e222fc4fe04e3932cda Bisecting: 108 revisions left to test after this (roughly 7 steps) [5484a4ea7a1f208b886b58dd55cc55f418930f8a] Merge tag 'vfs-6.18-rc1.afs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 86cc796e5e9bff0c3993607f4301b8188095516c crashed and is reachable testing commit 5484a4ea7a1f208b886b58dd55cc55f418930f8a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f75d2dc8051cb2b2fcace071753a501a21c083825fb9c89790568043911fe745 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 5484a4ea7a1f208b886b58dd55cc55f418930f8a Bisecting: 54 revisions left to test after this (roughly 6 steps) [83914de1c1d39dca4a3196a03bcd64d0a861d551] net-sysfs: use check_net() determine whether the revision contains the guilty commit revision b6add54ba61890450fa54fd9327d10fdfd653439 crashed and is reachable testing commit 83914de1c1d39dca4a3196a03bcd64d0a861d551 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 557e8cf2b31de0cad65f9056f5e120a08bab332f780dd61b5e10b566466b4fed all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 83914de1c1d39dca4a3196a03bcd64d0a861d551 Bisecting: 30 revisions left to test after this (roughly 5 steps) [263e777ee3e00d628ac2660f68c82aeab14707b3] Merge tag 'vfs-6.18-rc1.writeback' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 83914de1c1d39dca4a3196a03bcd64d0a861d551 crashed and is reachable testing commit 263e777ee3e00d628ac2660f68c82aeab14707b3 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 179cafdb295a363df68550b1897c2c2cfba7b070afc4c2c4da8aa841b2475dd3 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 263e777ee3e00d628ac2660f68c82aeab14707b3 Bisecting: 15 revisions left to test after this (roughly 4 steps) [bddb53b776fb7ce81dfba7c24884d9f2c0c68e50] gfs2: Get rid of GLF_INVALIDATE_IN_PROGRESS determine whether the revision contains the guilty commit checking the merge base 8f5ae30d69d7543eee0d70083daf4de8fe15d585 no existing result, test the revision testing commit 8f5ae30d69d7543eee0d70083daf4de8fe15d585 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 2a7bb789498755a03c0b22f98975aded6e87abbcc6ea8c4ebf697aad1195e256 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] testing commit bddb53b776fb7ce81dfba7c24884d9f2c0c68e50 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b8aba227d419c7bfa74e0fcbeacbb936ef231c4eeae0103b143dd44c4de97eb7 run #0: crashed: INFO: task hung in bch2_readahead run #1: crashed: INFO: task hung in bch2_readahead run #2: crashed: INFO: task hung in bch2_readahead run #3: crashed: INFO: task hung in corrupted run #4: crashed: INFO: task hung in bch2_readahead run #5: crashed: INFO: task hung in bch2_readahead run #6: crashed: INFO: task hung in bch2_readahead run #7: crashed: INFO: task hung in bch2_readahead run #8: crashed: INFO: task hung in bch2_readahead run #9: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good bddb53b776fb7ce81dfba7c24884d9f2c0c68e50 Bisecting: 7 revisions left to test after this (roughly 3 steps) [449c2b302c8e200558619821ced46cc13cdb9aa6] Merge tag 'vfs-6.18-rc1.async' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 5484a4ea7a1f208b886b58dd55cc55f418930f8a crashed and is reachable testing commit 449c2b302c8e200558619821ced46cc13cdb9aa6 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c0736773aeb580c755542b3259187d186fb85746bfad8e6a1395943b8e462715 all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 449c2b302c8e200558619821ced46cc13cdb9aa6 Bisecting: 3 revisions left to test after this (roughly 2 steps) [6ab26555c9ffef96c56ca16356e55ac5ab61ec93] gfs2: Add proper lockspace locking determine whether the revision contains the guilty commit revision 8f5ae30d69d7543eee0d70083daf4de8fe15d585 crashed and is reachable testing commit 6ab26555c9ffef96c56ca16356e55ac5ab61ec93 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: d856e0f1b3cb1e704643a2f677de06a749f324342675a84e26139dbbad4deb9a all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good 6ab26555c9ffef96c56ca16356e55ac5ab61ec93 Bisecting: 1 revision left to test after this (roughly 1 step) [f2c61db29f277b9c80de92102fc532cc247495cd] Remove bcachefs core code determine whether the revision contains the guilty commit revision 5484a4ea7a1f208b886b58dd55cc55f418930f8a crashed and is reachable testing commit f2c61db29f277b9c80de92102fc532cc247495cd gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6853c9619146c209bfc3e922b1680a9109d08c3896c76c5d2fe1d1816e483318 all runs: OK false negative chance: 0.000 # git bisect bad f2c61db29f277b9c80de92102fc532cc247495cd Bisecting: 0 revisions left to test after this (roughly 0 steps) [ee916dccd4df6e2fd19c3606c4735282b72f1473] Unbreak 'make tools/*' for user-space targets determine whether the revision contains the guilty commit revision 86cc796e5e9bff0c3993607f4301b8188095516c crashed and is reachable testing commit ee916dccd4df6e2fd19c3606c4735282b72f1473 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 7582fe8779111badeccfc5d85ffe8eeac54491545ebe1390f272e71944e2cdae all runs: crashed: INFO: task hung in bch2_readahead representative crash: INFO: task hung in bch2_readahead, types: [HANG] # git bisect good ee916dccd4df6e2fd19c3606c4735282b72f1473 f2c61db29f277b9c80de92102fc532cc247495cd is the first bad commit commit f2c61db29f277b9c80de92102fc532cc247495cd Author: Linus Torvalds Date: Mon Sep 29 13:43:52 2025 -0700 Remove bcachefs core code bcachefs was marked 'externally maintained' in 6.17 but the code remained to make the transition smoother. It's now a DKMS module, making the in-kernel code stale, so remove it to avoid any version confusion. Link: https://lore.kernel.org/linux-bcachefs/yokpt2d2g2lluyomtqrdvmkl3amv3kgnipmenobkpgx537kay7@xgcgjviv3n7x/T/ Signed-off-by: Linus Torvalds Documentation/filesystems/bcachefs/CodingStyle.rst | 186 - .../filesystems/bcachefs/SubmittingPatches.rst | 105 - Documentation/filesystems/bcachefs/casefolding.rst | 108 - Documentation/filesystems/bcachefs/errorcodes.rst | 30 - .../filesystems/bcachefs/future/idle_work.rst | 78 - Documentation/filesystems/bcachefs/index.rst | 38 - Documentation/filesystems/index.rst | 1 - MAINTAINERS | 3 - arch/m68k/configs/amiga_defconfig | 1 - arch/m68k/configs/apollo_defconfig | 1 - arch/m68k/configs/atari_defconfig | 1 - arch/m68k/configs/bvme6000_defconfig | 1 - arch/m68k/configs/hp300_defconfig | 1 - arch/m68k/configs/mac_defconfig | 1 - arch/m68k/configs/multi_defconfig | 1 - arch/m68k/configs/mvme147_defconfig | 1 - arch/m68k/configs/mvme16x_defconfig | 1 - arch/m68k/configs/q40_defconfig | 1 - arch/m68k/configs/sun3_defconfig | 1 - arch/m68k/configs/sun3x_defconfig | 1 - arch/s390/configs/debug_defconfig | 3 - arch/s390/configs/defconfig | 3 - fs/Kconfig | 1 - fs/Makefile | 1 - fs/bcachefs/Kconfig | 121 - fs/bcachefs/Makefile | 107 - fs/bcachefs/acl.c | 445 --- fs/bcachefs/acl.h | 60 - fs/bcachefs/alloc_background.c | 2680 -------------- fs/bcachefs/alloc_background.h | 361 -- fs/bcachefs/alloc_background_format.h | 95 - fs/bcachefs/alloc_foreground.c | 1683 --------- fs/bcachefs/alloc_foreground.h | 318 -- fs/bcachefs/alloc_types.h | 121 - fs/bcachefs/async_objs.c | 132 - fs/bcachefs/async_objs.h | 44 - fs/bcachefs/async_objs_types.h | 25 - fs/bcachefs/backpointers.c | 1391 ------- fs/bcachefs/backpointers.h | 200 - fs/bcachefs/bbpos.h | 37 - fs/bcachefs/bbpos_types.h | 18 - fs/bcachefs/bcachefs.h | 1295 ------- fs/bcachefs/bcachefs_format.h | 1545 -------- fs/bcachefs/bcachefs_ioctl.h | 473 --- fs/bcachefs/bkey.c | 1112 ------ fs/bcachefs/bkey.h | 605 ---- fs/bcachefs/bkey_buf.h | 61 - fs/bcachefs/bkey_cmp.h | 129 - fs/bcachefs/bkey_methods.c | 497 --- fs/bcachefs/bkey_methods.h | 139 - fs/bcachefs/bkey_sort.c | 214 -- fs/bcachefs/bkey_sort.h | 54 - fs/bcachefs/bkey_types.h | 241 -- fs/bcachefs/bset.c | 1576 -------- fs/bcachefs/bset.h | 536 --- fs/bcachefs/btree_cache.c | 1516 -------- fs/bcachefs/btree_cache.h | 157 - fs/bcachefs/btree_gc.c | 1308 ------- fs/bcachefs/btree_gc.h | 88 - fs/bcachefs/btree_gc_types.h | 34 - fs/bcachefs/btree_io.c | 2742 -------------- fs/bcachefs/btree_io.h | 239 -- fs/bcachefs/btree_iter.c | 3804 -------------------- fs/bcachefs/btree_iter.h | 1010 ------ fs/bcachefs/btree_journal_iter.c | 830 ----- fs/bcachefs/btree_journal_iter.h | 102 - fs/bcachefs/btree_journal_iter_types.h | 37 - fs/bcachefs/btree_key_cache.c | 880 ----- fs/bcachefs/btree_key_cache.h | 59 - fs/bcachefs/btree_key_cache_types.h | 34 - fs/bcachefs/btree_locking.c | 936 ----- fs/bcachefs/btree_locking.h | 466 --- fs/bcachefs/btree_node_scan.c | 611 ---- fs/bcachefs/btree_node_scan.h | 11 - fs/bcachefs/btree_node_scan_types.h | 31 - fs/bcachefs/btree_trans_commit.c | 1121 ------ fs/bcachefs/btree_types.h | 937 ----- fs/bcachefs/btree_update.c | 916 ----- fs/bcachefs/btree_update.h | 429 --- fs/bcachefs/btree_update_interior.c | 2854 --------------- fs/bcachefs/btree_update_interior.h | 364 -- fs/bcachefs/btree_write_buffer.c | 893 ----- fs/bcachefs/btree_write_buffer.h | 113 - fs/bcachefs/btree_write_buffer_types.h | 59 - fs/bcachefs/buckets.c | 1395 ------- fs/bcachefs/buckets.h | 369 -- fs/bcachefs/buckets_types.h | 100 - fs/bcachefs/buckets_waiting_for_journal.c | 174 - fs/bcachefs/buckets_waiting_for_journal.h | 15 - fs/bcachefs/buckets_waiting_for_journal_types.h | 23 - fs/bcachefs/chardev.c | 843 ----- fs/bcachefs/chardev.h | 31 - fs/bcachefs/checksum.c | 698 ---- fs/bcachefs/checksum.h | 240 -- fs/bcachefs/clock.c | 181 - fs/bcachefs/clock.h | 29 - fs/bcachefs/clock_types.h | 38 - fs/bcachefs/compress.c | 773 ---- fs/bcachefs/compress.h | 73 - fs/bcachefs/darray.c | 38 - fs/bcachefs/darray.h | 158 - fs/bcachefs/data_update.c | 1021 ------ fs/bcachefs/data_update.h | 93 - fs/bcachefs/debug.c | 996 ----- fs/bcachefs/debug.h | 50 - fs/bcachefs/dirent.c | 766 ---- fs/bcachefs/dirent.h | 119 - fs/bcachefs/dirent_format.h | 58 - fs/bcachefs/disk_accounting.c | 1074 ------ fs/bcachefs/disk_accounting.h | 301 -- fs/bcachefs/disk_accounting_format.h | 225 -- fs/bcachefs/disk_accounting_types.h | 19 - fs/bcachefs/disk_groups.c | 591 --- fs/bcachefs/disk_groups.h | 111 - fs/bcachefs/disk_groups_format.h | 21 - fs/bcachefs/disk_groups_types.h | 18 - fs/bcachefs/ec.c | 2405 ------------- fs/bcachefs/ec.h | 309 -- fs/bcachefs/ec_format.h | 43 - fs/bcachefs/ec_types.h | 35 - fs/bcachefs/enumerated_ref.c | 144 - fs/bcachefs/enumerated_ref.h | 66 - fs/bcachefs/enumerated_ref_types.h | 19 - fs/bcachefs/errcode.c | 73 - fs/bcachefs/errcode.h | 387 -- fs/bcachefs/error.c | 771 ---- fs/bcachefs/error.h | 258 -- fs/bcachefs/extent_update.c | 155 - fs/bcachefs/extent_update.h | 12 - fs/bcachefs/extents.c | 1735 --------- fs/bcachefs/extents.h | 768 ---- fs/bcachefs/extents_format.h | 304 -- fs/bcachefs/extents_types.h | 42 - fs/bcachefs/eytzinger.c | 315 -- fs/bcachefs/eytzinger.h | 300 -- fs/bcachefs/fast_list.c | 156 - fs/bcachefs/fast_list.h | 41 - fs/bcachefs/fifo.h | 127 - fs/bcachefs/fs-io-buffered.c | 1109 ------ fs/bcachefs/fs-io-buffered.h | 27 - fs/bcachefs/fs-io-direct.c | 704 ---- fs/bcachefs/fs-io-direct.h | 16 - fs/bcachefs/fs-io-pagecache.c | 827 ----- fs/bcachefs/fs-io-pagecache.h | 176 - fs/bcachefs/fs-io.c | 1102 ------ fs/bcachefs/fs-io.h | 184 - fs/bcachefs/fs-ioctl.c | 440 --- fs/bcachefs/fs-ioctl.h | 8 - fs/bcachefs/fs.c | 2768 -------------- fs/bcachefs/fs.h | 215 -- fs/bcachefs/fsck.c | 3363 ----------------- fs/bcachefs/fsck.h | 34 - fs/bcachefs/inode.c | 1566 -------- fs/bcachefs/inode.h | 319 -- fs/bcachefs/inode_format.h | 185 - fs/bcachefs/io_misc.c | 570 --- fs/bcachefs/io_misc.h | 36 - fs/bcachefs/io_read.c | 1543 -------- fs/bcachefs/io_read.h | 216 -- fs/bcachefs/io_write.c | 1780 --------- fs/bcachefs/io_write.h | 77 - fs/bcachefs/io_write_types.h | 129 - fs/bcachefs/journal.c | 1832 ---------- fs/bcachefs/journal.h | 465 --- fs/bcachefs/journal_io.c | 2242 ------------ fs/bcachefs/journal_io.h | 94 - fs/bcachefs/journal_reclaim.c | 1037 ------ fs/bcachefs/journal_reclaim.h | 84 - fs/bcachefs/journal_sb.c | 232 -- fs/bcachefs/journal_sb.h | 24 - fs/bcachefs/journal_seq_blacklist.c | 264 -- fs/bcachefs/journal_seq_blacklist.h | 23 - fs/bcachefs/journal_seq_blacklist_format.h | 15 - fs/bcachefs/journal_types.h | 342 -- fs/bcachefs/keylist.c | 50 - fs/bcachefs/keylist.h | 72 - fs/bcachefs/keylist_types.h | 16 - fs/bcachefs/logged_ops.c | 119 - fs/bcachefs/logged_ops.h | 20 - fs/bcachefs/logged_ops_format.h | 35 - fs/bcachefs/lru.c | 223 -- fs/bcachefs/lru.h | 70 - fs/bcachefs/lru_format.h | 27 - fs/bcachefs/mean_and_variance.c | 173 - fs/bcachefs/mean_and_variance.h | 203 -- fs/bcachefs/mean_and_variance_test.c | 221 -- fs/bcachefs/migrate.c | 277 -- fs/bcachefs/migrate.h | 8 - fs/bcachefs/move.c | 1494 -------- fs/bcachefs/move.h | 165 - fs/bcachefs/move_types.h | 46 - fs/bcachefs/movinggc.c | 476 --- fs/bcachefs/movinggc.h | 20 - fs/bcachefs/namei.c | 1034 ------ fs/bcachefs/namei.h | 79 - fs/bcachefs/nocow_locking.c | 142 - fs/bcachefs/nocow_locking.h | 50 - fs/bcachefs/nocow_locking_types.h | 20 - fs/bcachefs/opts.c | 844 ----- fs/bcachefs/opts.h | 693 ---- fs/bcachefs/printbuf.c | 528 --- fs/bcachefs/printbuf.h | 298 -- fs/bcachefs/progress.c | 61 - fs/bcachefs/progress.h | 29 - fs/bcachefs/quota.c | 892 ----- fs/bcachefs/quota.h | 73 - fs/bcachefs/quota_format.h | 47 - fs/bcachefs/quota_types.h | 43 - fs/bcachefs/rcu_pending.c | 666 ---- fs/bcachefs/rcu_pending.h | 27 - fs/bcachefs/rebalance.c | 889 ----- fs/bcachefs/rebalance.h | 59 - fs/bcachefs/rebalance_format.h | 53 - fs/bcachefs/rebalance_types.h | 41 - fs/bcachefs/recovery.c | 1306 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fs/bcachefs/sb-members_types.h | 22 - fs/bcachefs/seqmutex.h | 45 - fs/bcachefs/siphash.c | 173 - fs/bcachefs/siphash.h | 87 - fs/bcachefs/six.c | 878 ----- fs/bcachefs/six.h | 388 -- fs/bcachefs/snapshot.c | 2043 ----------- fs/bcachefs/snapshot.h | 275 -- fs/bcachefs/snapshot_format.h | 36 - fs/bcachefs/snapshot_types.h | 57 - fs/bcachefs/str_hash.c | 400 -- fs/bcachefs/str_hash.h | 431 --- fs/bcachefs/subvolume.c | 752 ---- fs/bcachefs/subvolume.h | 88 - fs/bcachefs/subvolume_format.h | 35 - fs/bcachefs/subvolume_types.h | 11 - fs/bcachefs/super-io.c | 1562 -------- fs/bcachefs/super-io.h | 119 - fs/bcachefs/super.c | 2547 ------------- fs/bcachefs/super.h | 55 - fs/bcachefs/super_types.h | 35 - fs/bcachefs/sysfs.c | 914 ----- fs/bcachefs/sysfs.h | 49 - fs/bcachefs/tests.c | 891 ----- fs/bcachefs/tests.h | 15 - fs/bcachefs/thread_with_file.c | 494 --- fs/bcachefs/thread_with_file.h | 81 - fs/bcachefs/thread_with_file_types.h | 20 - fs/bcachefs/time_stats.c | 191 - fs/bcachefs/time_stats.h | 161 - fs/bcachefs/trace.c | 18 - fs/bcachefs/trace.h | 1883 ---------- fs/bcachefs/two_state_shared_lock.c | 8 - fs/bcachefs/two_state_shared_lock.h | 58 - fs/bcachefs/util.c | 1047 ------ fs/bcachefs/util.h | 782 ---- fs/bcachefs/varint.c | 130 - fs/bcachefs/varint.h | 11 - fs/bcachefs/vstructs.h | 63 - fs/bcachefs/xattr.c | 642 ---- fs/bcachefs/xattr.h | 50 - fs/bcachefs/xattr_format.h | 25 - 284 files changed, 117483 deletions(-) delete mode 100644 Documentation/filesystems/bcachefs/CodingStyle.rst delete mode 100644 Documentation/filesystems/bcachefs/SubmittingPatches.rst delete mode 100644 Documentation/filesystems/bcachefs/casefolding.rst delete mode 100644 Documentation/filesystems/bcachefs/errorcodes.rst delete mode 100644 Documentation/filesystems/bcachefs/future/idle_work.rst delete mode 100644 Documentation/filesystems/bcachefs/index.rst delete mode 100644 fs/bcachefs/Kconfig delete mode 100644 fs/bcachefs/Makefile delete mode 100644 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mode 100644 fs/bcachefs/replicas.h delete mode 100644 fs/bcachefs/replicas_format.h delete mode 100644 fs/bcachefs/replicas_types.h delete mode 100644 fs/bcachefs/sb-clean.c delete mode 100644 fs/bcachefs/sb-clean.h delete mode 100644 fs/bcachefs/sb-counters.c delete mode 100644 fs/bcachefs/sb-counters.h delete mode 100644 fs/bcachefs/sb-counters_format.h delete mode 100644 fs/bcachefs/sb-downgrade.c delete mode 100644 fs/bcachefs/sb-downgrade.h delete mode 100644 fs/bcachefs/sb-downgrade_format.h delete mode 100644 fs/bcachefs/sb-errors.c delete mode 100644 fs/bcachefs/sb-errors.h delete mode 100644 fs/bcachefs/sb-errors_format.h delete mode 100644 fs/bcachefs/sb-errors_types.h delete mode 100644 fs/bcachefs/sb-members.c delete mode 100644 fs/bcachefs/sb-members.h delete mode 100644 fs/bcachefs/sb-members_format.h delete mode 100644 fs/bcachefs/sb-members_types.h delete mode 100644 fs/bcachefs/seqmutex.h delete mode 100644 fs/bcachefs/siphash.c delete mode 100644 fs/bcachefs/siphash.h delete mode 100644 fs/bcachefs/six.c delete mode 100644 fs/bcachefs/six.h delete mode 100644 fs/bcachefs/snapshot.c delete mode 100644 fs/bcachefs/snapshot.h delete mode 100644 fs/bcachefs/snapshot_format.h delete mode 100644 fs/bcachefs/snapshot_types.h delete mode 100644 fs/bcachefs/str_hash.c delete mode 100644 fs/bcachefs/str_hash.h delete mode 100644 fs/bcachefs/subvolume.c delete mode 100644 fs/bcachefs/subvolume.h delete mode 100644 fs/bcachefs/subvolume_format.h delete mode 100644 fs/bcachefs/subvolume_types.h delete mode 100644 fs/bcachefs/super-io.c delete mode 100644 fs/bcachefs/super-io.h delete mode 100644 fs/bcachefs/super.c delete mode 100644 fs/bcachefs/super.h delete mode 100644 fs/bcachefs/super_types.h delete mode 100644 fs/bcachefs/sysfs.c delete mode 100644 fs/bcachefs/sysfs.h delete mode 100644 fs/bcachefs/tests.c delete mode 100644 fs/bcachefs/tests.h delete mode 100644 fs/bcachefs/thread_with_file.c delete mode 100644 fs/bcachefs/thread_with_file.h delete mode 100644 fs/bcachefs/thread_with_file_types.h delete mode 100644 fs/bcachefs/time_stats.c delete mode 100644 fs/bcachefs/time_stats.h delete mode 100644 fs/bcachefs/trace.c delete mode 100644 fs/bcachefs/trace.h delete mode 100644 fs/bcachefs/two_state_shared_lock.c delete mode 100644 fs/bcachefs/two_state_shared_lock.h delete mode 100644 fs/bcachefs/util.c delete mode 100644 fs/bcachefs/util.h delete mode 100644 fs/bcachefs/varint.c delete mode 100644 fs/bcachefs/varint.h delete mode 100644 fs/bcachefs/vstructs.h delete mode 100644 fs/bcachefs/xattr.c delete mode 100644 fs/bcachefs/xattr.h delete mode 100644 fs/bcachefs/xattr_format.h accumulated error probability: 0.00 culprit signature: 6853c9619146c209bfc3e922b1680a9109d08c3896c76c5d2fe1d1816e483318 parent signature: 7582fe8779111badeccfc5d85ffe8eeac54491545ebe1390f272e71944e2cdae revisions tested: 23, total time: 6h8m2.498886228s (build: 2h14m15.721540323s, test: 3h29m2.099012272s) first good commit: f2c61db29f277b9c80de92102fc532cc247495cd Remove bcachefs core code recipients (to): ["torvalds@linux-foundation.org"] recipients (cc): []