ci2 starts bisection 2025-06-15 10:12:13.256515574 +0000 UTC m=+65157.045182882 bisecting cause commit starting from 27605c8c0f69e319df156b471974e4e223035378 building syzkaller on 98683f8f094a4a5418f62711143436a99522360e ensuring issue is reproducible on original commit 27605c8c0f69e319df156b471974e4e223035378 testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 308d994ef7e90b4872e056c8b5e83c13e99e447b834765ce31998b44bf056d6d all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 32e992b217033478d8ce0c1382eb5776d14d880d99b1db036d9421a7f28b5f5f all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed kconfig minimization: base=4088 full=8356 leaves diff=2127 split chunks (needed=false): <2127> split chunk #0 of len 2127 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 030317c813ba53499cc8bdd61a7649a3ef5bf81dd7581b44196bce113240d73f all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: baa694d6e2cb2bfdfc3edeb08e9d53af33aace64696c0ba64fbe9de39d36aa2a all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b9e5e44e5a287c6e68a7d7b5ee71c26a7bcec2f2421ddfda407794ea770fb652 all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 169e7627a44a4bc0e86efbb56487220658f90ffd670754b44c2411143974805f all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b0059c1d6c24b0f34b0ca792cb401373d9b1fd7f5ec0bd83544306741129911d all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] the chunk can be dropped minimized to 426 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_ENABLE_THP_MIGRATION ARCH_HAS_CRC32 ARCH_HAS_CRC64 ARCH_HAS_CRC_T10DIF ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_WANT_PMD_MKWRITE ASM_MODVERSIONS ASUS_TF103C_DOCK ASYNC_CORE ASYNC_MEMCPY ASYNC_PQ ASYNC_RAID6_RECOV ASYNC_TX_DMA ASYNC_XOR 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_DEV_ZONED 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_STREAM_PARSER BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_BROUTE 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_T_FILTER BRIDGE_EBT_T_NAT BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_NF_EBTABLES_LEGACY 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_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 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 CGROUP_BPF 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_DT9812 COMEDI_NI_USB6501 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_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_NULL 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_SHA1_SSSE3 CRYPTO_SHA512_SSSE3 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 DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DLN2_ADC DMABUF_HEAPS DMABUF_HEAPS_CMA DMABUF_HEAPS_SYSTEM DMABUF_MOVE_NOTIFY DMA_CMA DMA_ENGINE_RAID DM_AUDIT DM_BIO_PRISON DM_BUFIO DM_CACHE DM_CACHE_SMQ DM_CLONE DM_CRYPT DM_FLAKEY DM_INTEGRITY DM_MULTIPATH DM_MULTIPATH_QL DM_MULTIPATH_ST DM_PERSISTENT_DATA DM_RAID DM_SNAPSHOT DM_THIN_PROVISIONING DM_UEVENT DM_VERITY DM_VERITY_FEC DM_WRITECACHE DM_ZONED DRAGONRISE_FF DRM DRM_AUX_BRIDGE DRM_BOCHS DRM_BRIDGE DRM_BUDDY DRM_CIRRUS_QEMU DRM_CLIENT DRM_CLIENT_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_DSC_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed picked [v6.15 v6.14 v6.13 v6.11 v6.9 v6.7 v6.5 v6.3 v6.0 v5.17 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 38 release tags testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: fd3238a496da1306f933118e354c42865754f9e15dfe5e0e49cc1cff1b0eadb7 all runs: OK false negative chance: 0.000 # git bisect start 27605c8c0f69e319df156b471974e4e223035378 0ff41df1cb268fc69e703a08a57ee14ae967d0ca Bisecting: 6292 revisions left to test after this (roughly 13 steps) [1b98f357dadd6ea613a435fbaef1a5dd7b35fd21] Merge tag 'net-next-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 2b79895a63449c60a04c7c210096aaa51258c41a4e2da53179a1d0ed82df0354 all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 Bisecting: 3652 revisions left to test after this (roughly 12 steps) [a61e26038143727d9b0f1bc01b0370f77f2ad7e4] Merge tag 'media/v6.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media testing commit a61e26038143727d9b0f1bc01b0370f77f2ad7e4 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 51457c38bf3b813f995de6d1ed4fcad164ecf4f95f6b590f0ca543ff9fa1b485 all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad a61e26038143727d9b0f1bc01b0370f77f2ad7e4 Bisecting: 1981 revisions left to test after this (roughly 11 steps) [0c1494015fea0935fbf6cd9d99c008fcbe1e4165] Merge tag 'core-entry-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f17510437675d316ba8b7a0ad91d754a700898f999ea86cfffd41062a25826cd all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad 0c1494015fea0935fbf6cd9d99c008fcbe1e4165 Bisecting: 1061 revisions left to test after this (roughly 10 steps) [15d90a5e5524532b7456a24f4626cf28c1629c4c] Merge tag 'crc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux testing commit 15d90a5e5524532b7456a24f4626cf28c1629c4c gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 3a9a7bdbd210c06ebdebb24c023ed4393193f1f7f070df8acbfa698c6127210a all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad 15d90a5e5524532b7456a24f4626cf28c1629c4c Bisecting: 507 revisions left to test after this (roughly 9 steps) [49fffac983ac52aea0ab94914be3f56bcf92d5dc] Merge tag 'for-6.16/io_uring-20250523' of git://git.kernel.dk/linux testing commit 49fffac983ac52aea0ab94914be3f56bcf92d5dc gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f512ad6d8f4b38ad12f48635ad3eb56a15262b2b1dde76b60fc1ac4d51a89be6 all runs: OK false negative chance: 0.000 # git bisect good 49fffac983ac52aea0ab94914be3f56bcf92d5dc Bisecting: 276 revisions left to test after this (roughly 8 steps) [8fdabcd9c01d9ac585d8109a921e0734a69479fb] Merge tag 'gfs2-for-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit 8fdabcd9c01d9ac585d8109a921e0734a69479fb gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 8a200b7e7431985c6a0cc2b278c283d034a3c0c34124c15199c2725d34a98666 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up 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 representative crash: BUG: unable to handle kernel NULL pointer dereference in try_to_wake_up, types: [UNKNOWN] unable to determine the verdict: 9 good runs (wanted 5), for bad wanted 5 in total, got 10 # git bisect skip 8fdabcd9c01d9ac585d8109a921e0734a69479fb Bisecting: 276 revisions left to test after this (roughly 8 steps) [a9421140fc5a5647191704c8a5e93bf2aaeb2c0a] bcachefs: bch2_inode_unpack() cleanup testing commit a9421140fc5a5647191704c8a5e93bf2aaeb2c0a gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 03c39f8865a611a8718537bf5b8ea15204f33ad188237a84730685e53f09dc3c all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad a9421140fc5a5647191704c8a5e93bf2aaeb2c0a Bisecting: 55 revisions left to test after this (roughly 6 steps) [0dc73809e93aeb905acf9fa88502c73534cfa83d] bcachefs: Shrink superblock downgrade table testing commit 0dc73809e93aeb905acf9fa88502c73534cfa83d gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: fb6f5a48ad2a85479ae4fb86091198392b5625ae77ee789b2c487d81f2a06ca3 all runs: OK false negative chance: 0.000 # git bisect good 0dc73809e93aeb905acf9fa88502c73534cfa83d Bisecting: 27 revisions left to test after this (roughly 5 steps) [353b89c6e6df522c221997a527358854b1c826d7] bcachefs: bch2_io_failures_to_text() testing commit 353b89c6e6df522c221997a527358854b1c826d7 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 874f294ce4dcda155bc4d8a741097a634c802b8dd3bf27550eb90a5a285834ed all runs: OK false negative chance: 0.000 # git bisect good 353b89c6e6df522c221997a527358854b1c826d7 Bisecting: 13 revisions left to test after this (roughly 4 steps) [a349868b5e2503271bedf5f0b6e3638552047e0f] bcachefs: bch2_fs_open() now takes a darray testing commit a349868b5e2503271bedf5f0b6e3638552047e0f gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 537130c70f74821849121d9aaa1612bbf8caac5f847ddfe7fcb3334ebf368eae all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad a349868b5e2503271bedf5f0b6e3638552047e0f Bisecting: 6 revisions left to test after this (roughly 3 steps) [d31f155964aee6e6141967fc392a9a99b221e117] bcachefs: bch2_fsck_err_opt() testing commit d31f155964aee6e6141967fc392a9a99b221e117 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: c721823f58a12c1c13db50f0eecf0447f864801d598c3ffabe4a007cdd46a926 all runs: OK false negative chance: 0.000 # git bisect good d31f155964aee6e6141967fc392a9a99b221e117 Bisecting: 2 revisions left to test after this (roughly 2 steps) [aff2b6a7fc285287f7ffc6691aca333a63b18230] bcachefs: provide unlocked version of run_explicit_recovery_pass_persistent testing commit aff2b6a7fc285287f7ffc6691aca333a63b18230 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 51bbabd645e6926a8416d17d8f6e325afa9ba6ab089960ffa371bedb2ea279e5 all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad aff2b6a7fc285287f7ffc6691aca333a63b18230 Bisecting: 1 revision left to test after this (roughly 1 step) [cd3cdb1ef706a1ac725194d81858d58375739b25] bcachefs: Single err message for btree node reads testing commit cd3cdb1ef706a1ac725194d81858d58375739b25 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 33c39e4fe96b1321929bfafa9031f8cb7f64868bec2cf4ed66d90a0905460c13 all runs: crashed: kernel BUG in __bch2_bkey_compat representative crash: kernel BUG in __bch2_bkey_compat, types: [BUG] # git bisect bad cd3cdb1ef706a1ac725194d81858d58375739b25 Bisecting: 0 revisions left to test after this (roughly 0 steps) [9c2472658be20d04c6dc34d5314a7e99cc4fed25] bcachefs: bch2_mark_btree_validate_failure() testing commit 9c2472658be20d04c6dc34d5314a7e99cc4fed25 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 44b42839e7d3b6d8e6aedc1eee84cec872721d1fe03c463ace4722df2243cebc all runs: OK false negative chance: 0.000 # git bisect good 9c2472658be20d04c6dc34d5314a7e99cc4fed25 cd3cdb1ef706a1ac725194d81858d58375739b25 is the first bad commit commit cd3cdb1ef706a1ac725194d81858d58375739b25 Author: Kent Overstreet Date: Tue Apr 22 09:14:19 2025 -0400 bcachefs: Single err message for btree node reads Like we just did with the data read path, emit a single error message per btree node reads, nicely formatted, with all the actions we took grouped together. Signed-off-by: Kent Overstreet fs/bcachefs/btree_io.c | 254 ++++++++++++++++++++++++++++--------------------- fs/bcachefs/btree_io.h | 4 +- fs/bcachefs/debug.c | 4 +- 3 files changed, 151 insertions(+), 111 deletions(-) accumulated error probability: 0.00 culprit signature: 33c39e4fe96b1321929bfafa9031f8cb7f64868bec2cf4ed66d90a0905460c13 parent signature: 44b42839e7d3b6d8e6aedc1eee84cec872721d1fe03c463ace4722df2243cebc revisions tested: 22, total time: 5h25m23.679815366s (build: 2h8m6.63443974s, test: 2h55m34.846941869s) first bad commit: cd3cdb1ef706a1ac725194d81858d58375739b25 bcachefs: Single err message for btree node reads recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: kernel BUG in __bch2_bkey_compat bcachefs (loop2): sb invalid before write: Unsupported superblock version_min 0.0: (unknown version) (min 0.9: (unknown version), max 1.25: extent_flags) inconsistency detected - emergency read only at journal seq 10 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey_methods.c:469! Oops: invalid opcode: 0000 [#1] SMP PTI CPU: 1 UID: 0 PID: 3347 Comm: read_btree_node Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:__bch2_bkey_compat+0x51e/0x530 fs/bcachefs/bkey_methods.c:469 Code: 17 48 81 c4 d8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 cf fe 27 01 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 <0f> 0b 90 0f 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 RSP: 0018:ffffc900038536d0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff8881047b18c0 RSI: ffffc90003853740 RDI: ffff8881751e1028 RBP: 0000000000000000 R08: ffff8881751e1028 R09: ffffffff00000000 R10: f700000000000000 R11: 0000000000000000 R12: 0000000000000020 R13: 00000000ffffffff R14: 0000000000000003 R15: ffff8881751e1028 FS: 0000000000000000(0000) GS:ffff8882b3251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe0cc35ff4 CR3: 00000001057fe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_bkey_compat fs/bcachefs/bkey_methods.h:134 [inline] validate_bset_keys+0x1ee/0x7c0 fs/bcachefs/btree_io.c:983 bch2_btree_node_read_done+0xc84/0x1800 fs/bcachefs/btree_io.c:1211 btree_node_read_work+0x18a/0x490 fs/bcachefs/btree_io.c:1400 bch2_btree_node_read+0xc1a/0xcd0 fs/bcachefs/btree_io.c:-1 bch2_btree_node_fill+0x56f/0x730 fs/bcachefs/btree_cache.c:994 bch2_btree_node_get_noiter+0x2a8/0x320 fs/bcachefs/btree_cache.c:1261 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:220 [inline] read_btree_nodes_worker+0x6d4/0x9f0 fs/bcachefs/btree_node_scan.c:269 kthread+0x23c/0x270 kernel/kthread.c:464 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_bkey_compat+0x51e/0x530 fs/bcachefs/bkey_methods.c:469 Code: 17 48 81 c4 d8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 cf fe 27 01 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 <0f> 0b 90 0f 0b cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 RSP: 0018:ffffc900038536d0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: ffff8881047b18c0 RSI: ffffc90003853740 RDI: ffff8881751e1028 RBP: 0000000000000000 R08: ffff8881751e1028 R09: ffffffff00000000 R10: f700000000000000 R11: 0000000000000000 R12: 0000000000000020 R13: 00000000ffffffff R14: 0000000000000003 R15: ffff8881751e1028 FS: 0000000000000000(0000) GS:ffff8882b3251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe0cc35ff4 CR3: 00000001057fe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400