ci2 starts bisection 2025-04-27 06:49:51.109002727 +0000 UTC m=+134160.858344241 bisecting fixing commit since ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 building syzkaller on d3ccff6372e07c6aabd02b5da419aa6492b5f0ad ensuring issue is reproducible on original commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 0dc29a4730f7d64778f1af7a00210582eca23573ef2245bdb477769eddcb7ebf all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 00b4d31682e82d24c556c6add315164534792b69d788385782e283fde2955653 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] the bug reproduces without the instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed kconfig minimization: base=4080 full=8236 leaves diff=2142 split chunks (needed=false): <2142> split chunk #0 of len 2142 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 6187be66e25a0325bf52d1fbddb0b474be87ad53ab748d64e84d8eb9a75a7d08 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 078bd2f5614ebd268dfe5de088c0672c9ef71bb08e2f2c7cbd4e86979752f8e4 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 92fe3cb9b63bc9e5253be58ffb3f0c9e1c61f58fb20d2d485395c7e6fc17a0ad all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 2287016ddc7e1d1cfe09b5c1092f5ee0a869f5a1c3ec75d5aa1cb48f328cce33 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 0d8a9ae18be602a2521320910162df832b53a53328623e673a4ae5d20c8a4bb3 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] the chunk can be dropped minimized to 429 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_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 AS_SHA1_NI AS_SHA256_NI AS_TPAUSE 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 CC_HAS_AUTO_VAR_INIT_ZERO_ENABLER CC_HAS_SANE_STACKPROTECTOR 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 CRC32_SLICEBY8 CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF 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_CRC32 CRYPTO_CRC32C CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD 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_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_PCBC CRYPTO_PCRYPT CRYPTO_POLY1305 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_SHA256_SSSE3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM3 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_VMAC 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 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_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_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER 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 MCORE2 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 X86_X32_ABI ZONE_DEVICE] disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing current HEAD 5bc1018675ec28a8a60d83b378d8c3991faa5a27 testing commit 5bc1018675ec28a8a60d83b378d8c3991faa5a27 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: b81b391cfbebfe5e4f340cde910c9d570cb52941384617cceaf22452fb34d588 all runs: OK false negative chance: 0.000 # git bisect start 5bc1018675ec28a8a60d83b378d8c3991faa5a27 ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 Bisecting: 13846 revisions left to test after this (roughly 14 steps) [6855b9be9cf70d3fd4b4b9a00696eae65335320c] Merge branch 'mptcp-pm-prep-work-for-new-ops-and-sysctl-knobs' determine whether the revision contains the guilty commit revision ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 crashed and is reachable testing commit 6855b9be9cf70d3fd4b4b9a00696eae65335320c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 1dea67d47d9fdef9262de3b1b985dd3956b2eae5ced88d9f125f735bf22e5c76 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 6855b9be9cf70d3fd4b4b9a00696eae65335320c Bisecting: 7158 revisions left to test after this (roughly 13 steps) [390513642ee6763c7ada07f0a1470474986e6c1c] io_uring: always do atomic put from iowq determine whether the revision contains the guilty commit revision ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 crashed and is reachable testing commit 390513642ee6763c7ada07f0a1470474986e6c1c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 3faad679eb22b6aa7ec935921d8fa40d3df38e21e979a0eee5ed998609193d9a all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 390513642ee6763c7ada07f0a1470474986e6c1c Bisecting: 3575 revisions left to test after this (roughly 12 steps) [802f0d58d52e8e34e08718479475ccdff0caffa0] Merge tag 'perf-tools-for-v6.15-2025-03-27' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 802f0d58d52e8e34e08718479475ccdff0caffa0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 83f0b9f09035e38050189a39ef684e31fa1960a528958da6fe33f40a84a6444d all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 802f0d58d52e8e34e08718479475ccdff0caffa0 Bisecting: 1767 revisions left to test after this (roughly 11 steps) [01ecadbe09b6c685de413ada8ba6688e9467c4b3] Merge tag 'cxl-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 01ecadbe09b6c685de413ada8ba6688e9467c4b3 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 157362223db5679542b9f09b63f445cd3def8b98665d545799866de6dd26cd68 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 01ecadbe09b6c685de413ada8ba6688e9467c4b3 Bisecting: 884 revisions left to test after this (roughly 10 steps) [5d74992343b969cd8e2d0a3d00cd152eeedcf57c] Merge tag 'pci-v6.15-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 5d74992343b969cd8e2d0a3d00cd152eeedcf57c gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 7acff0250236613800cd73158d1086486325574f8292509413bf01b2c6d66f9c all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 5d74992343b969cd8e2d0a3d00cd152eeedcf57c Bisecting: 441 revisions left to test after this (roughly 9 steps) [ac85740edf05751bf8730df5b898c92ed9b538b7] Merge tag 'timers-urgent-2025-04-18' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 390513642ee6763c7ada07f0a1470474986e6c1c crashed and is reachable testing commit ac85740edf05751bf8730df5b898c92ed9b538b7 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: ecbd79cb52ac781a3e40719b7c0d0013136bec34355ad2bd6b48bfe15e0b403d all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good ac85740edf05751bf8730df5b898c92ed9b538b7 Bisecting: 219 revisions left to test after this (roughly 8 steps) [b22a194c52b2c146d57b6c291e8a37329a8d08a1] Merge tag 'xfs-fixes-6.15-rc4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux determine whether the revision contains the guilty commit revision ac85740edf05751bf8730df5b898c92ed9b538b7 crashed and is reachable testing commit b22a194c52b2c146d57b6c291e8a37329a8d08a1 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 9bc128738ead6dbcb0d01cceb2f71e35768c1506c2ada7631dabaa322c0aab9b all runs: OK false negative chance: 0.000 # git bisect bad b22a194c52b2c146d57b6c291e8a37329a8d08a1 Bisecting: 110 revisions left to test after this (roughly 7 steps) [4ede80a9a860968f9e63c6b9262683d3139194e0] bcachefs: Allocator now copes with unaligned buckets determine whether the revision contains the guilty commit revision 5d74992343b969cd8e2d0a3d00cd152eeedcf57c crashed and is reachable testing commit 4ede80a9a860968f9e63c6b9262683d3139194e0 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: e99285c45bf40eb6a98e4e0e5c59a143878adf31563c5973146d2ccec114baf0 all runs: OK false negative chance: 0.000 # git bisect bad 4ede80a9a860968f9e63c6b9262683d3139194e0 Bisecting: 54 revisions left to test after this (roughly 6 steps) [1ca0f935a126950c2f0b305a50f31f3b00542b0d] Merge tag 'nfsd-6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux determine whether the revision contains the guilty commit revision ccb98ccef0e543c2bd4ef1a72270461957f3d8d0 crashed and is reachable testing commit 1ca0f935a126950c2f0b305a50f31f3b00542b0d gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: c46298fe76f9ef32b04d90b6e3eff6e6cd0148010a21681535e91b8c9f9cf954 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 1ca0f935a126950c2f0b305a50f31f3b00542b0d Bisecting: 33 revisions left to test after this (roughly 5 steps) [119009db267415049182774196e3cce9e13b52ef] Merge tag 'vfs-6.15-rc3.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 119009db267415049182774196e3cce9e13b52ef gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 96ba89ceffd43e555b524739340424b06cbb39a8a493307f02657315c97f9a58 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 119009db267415049182774196e3cce9e13b52ef Bisecting: 16 revisions left to test after this (roughly 4 steps) [6fea5fabd3323cd27b2ab5143263f37ff29550cb] Merge tag 'mm-hotfixes-stable-2025-04-19-21-24' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 6fea5fabd3323cd27b2ab5143263f37ff29550cb gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: aeddab97732c4904370d45529c0059b658bbaf5d349cba476fe8a92e732d3d4f all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 6fea5fabd3323cd27b2ab5143263f37ff29550cb Bisecting: 8 revisions left to test after this (roughly 3 steps) [aa6a591f0fd740e27c54110f8425b53133ad4165] bcachefs: Fix null ptr deref in bch2_snapshot_tree_oldest_subvol() determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit aa6a591f0fd740e27c54110f8425b53133ad4165 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: f2ac565af51ad6023bfa97929edfd024865ec5f92c6ddd6c533f791df3581428 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good aa6a591f0fd740e27c54110f8425b53133ad4165 Bisecting: 4 revisions left to test after this (roughly 2 steps) [4c327d03d7c9d5e815a2aada112c442e4a2f8665] bcachefs: Change __journal_entry_close() assert to ERO determine whether the revision contains the guilty commit revision 6855b9be9cf70d3fd4b4b9a00696eae65335320c crashed and is reachable testing commit 4c327d03d7c9d5e815a2aada112c442e4a2f8665 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 4e1f071e33c5cf7dee748eeb154f9f66bf2b358e6d09411172d8476c713d1f7d all runs: OK false negative chance: 0.000 # git bisect bad 4c327d03d7c9d5e815a2aada112c442e4a2f8665 Bisecting: 1 revision left to test after this (roughly 1 step) [71f8e806a5e4edada72456ee3b2e2d7eab6fadee] bcachefs: Stricter checks on "key allowed in this btree" determine whether the revision contains the guilty commit revision aa6a591f0fd740e27c54110f8425b53133ad4165 crashed and is reachable testing commit 71f8e806a5e4edada72456ee3b2e2d7eab6fadee gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 6d1703e69673166bfa2806f11b60c91c67e2704a6650efbdd557113072f674fb all runs: OK false negative chance: 0.000 # git bisect bad 71f8e806a5e4edada72456ee3b2e2d7eab6fadee Bisecting: 0 revisions left to test after this (roughly 0 steps) [417f01e726036b564e2e14c39b2be58e93bf7971] bcachefs: Error ratelimiting is no longer only during fsck determine whether the revision contains the guilty commit revision aa6a591f0fd740e27c54110f8425b53133ad4165 crashed and is reachable testing commit 417f01e726036b564e2e14c39b2be58e93bf7971 gcc compiler: Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2 kernel signature: 6ae7d2aeb1a25fbca983f5e9034b7290f9eea7a4dec006dc996974246ed8b971 all runs: crashed: kernel BUG in bch2_stripe_validate representative crash: kernel BUG in bch2_stripe_validate, types: [BUG] # git bisect good 417f01e726036b564e2e14c39b2be58e93bf7971 71f8e806a5e4edada72456ee3b2e2d7eab6fadee is the first bad commit commit 71f8e806a5e4edada72456ee3b2e2d7eab6fadee Author: Kent Overstreet Date: Fri Apr 18 12:49:00 2025 -0400 bcachefs: Stricter checks on "key allowed in this btree" Syzbot managed to come up with a filesystem where check/repair got rather confused at finding a reflink pointer in the inodes btree. Currently, the "key allowed in this btree" checks only apply at commit time, not read time - for forwards compatibility. It seems this is too loose. Now, strict key type allowed checks apply: - at commit time (no forward compatibility issues) - for btree node pointers - if it's a known btree, known key type, and the key type has the "BKEY_TYPE_strict_btree_checks" flag. This means we still have the option of using generic key types - e.g. KEY_TYPE_error, KEY_TYPE_set - on more existing btrees in the future, while most key types that are intended for only a specific btree get stricter checks. Reported-by: syzbot+baee8591f336cab0958b@syzkaller.appspotmail.com Signed-off-by: Kent Overstreet fs/bcachefs/bcachefs_format.h | 80 +++++++++++++++++++++++-------------------- fs/bcachefs/bkey_methods.c | 24 ++++++++++--- 2 files changed, 62 insertions(+), 42 deletions(-) accumulated error probability: 0.00 culprit signature: 6d1703e69673166bfa2806f11b60c91c67e2704a6650efbdd557113072f674fb parent signature: 6ae7d2aeb1a25fbca983f5e9034b7290f9eea7a4dec006dc996974246ed8b971 revisions tested: 23, total time: 8h19m33.094881981s (build: 4h7m18.380279658s, test: 2h44m39.519739676s) first good commit: 71f8e806a5e4edada72456ee3b2e2d7eab6fadee bcachefs: Stricter checks on "key allowed in this btree" recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): []