ci2 starts bisection 2025-06-19 10:07:57.374962057 +0000 UTC m=+73536.999981495 bisecting fixing commit since 128c8f96eb8638c060cd3532dc394d046ce64fe1 building syzkaller on 1022af749615bfc4e3a305b891449d95d5fc050a ensuring issue is reproducible on original commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e5e31f7a0cd07fd68f64311797eb49bc3d928fd3605dc56c174585ea94b5b46d all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: e28f5e9c9068fea56d6774ef4fdf7d9aa8e735ebe8ca2fe7f0b1d64b6301d4de all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=4088 full=8256 leaves diff=2144 split chunks (needed=false): <2144> split chunk #0 of len 2144 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 495293927cd37d637289ee4ec81968e455e7449b4bc3b170881a626ed6d4117c all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: ff01d8a8c5bf964d9c9d17c63b163e286ea8db387c5529d5a728cc111efe1c18 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: f695d3f9640ba4c33c31f54fc82054d1b6f593171df72f656a88845b597fe648 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 785bd20dcadaa324d52c498909135a8eb198f2c9bc6262c87af9a31590c48ee6 all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, 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 128c8f96eb8638c060cd3532dc394d046ce64fe1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 27f60d4fd01cdd13ec96ae7139a2adb1f003d4b1785ecb83dffcd2b67d6ea05a all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, 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_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CRC32 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 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_MQ_PCI BLK_MQ_VIRTIO 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_CAN_LINK_STATIC 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 CRC4 CRC64 CRC64_ROCKSOFT CRC7 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_CRC32 CRYPTO_CRC32C CRYPTO_CRC64_ROCKSOFT 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_KDF800108_CTR 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_MANAGER_DISABLE_TESTS CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_NULL CRYPTO_NULL2 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_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_DEFAULT_FBDEV DRM_CLIENT_LIB DRM_CLIENT_SELECTION DRM_CLIENT_SETUP DRM_DEBUG_MM 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 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 [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing current HEAD fb4d33ab452ea254e2c319bac5703d1b56d895bf testing commit fb4d33ab452ea254e2c319bac5703d1b56d895bf gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: bf098fcf9f5223bb21a421d033d21f54ea07148eeb0eee2fe318d5bf2c1512cb all runs: OK false negative chance: 0.000 # git bisect start fb4d33ab452ea254e2c319bac5703d1b56d895bf 128c8f96eb8638c060cd3532dc394d046ce64fe1 Bisecting: 15833 revisions left to test after this (roughly 14 steps) [f7c2ca25848b1da1843b7e0fa848ea721af6b132] Merge tag 'block-6.15-20250417' of git://git.kernel.dk/linux determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit f7c2ca25848b1da1843b7e0fa848ea721af6b132 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 1942439c8d4cac5d035379d2b3ef53a2c21f61ed929037432340a5840550bd3b all runs: crashed: kernel BUG in bch2_reconstruct_snapshots representative crash: kernel BUG in bch2_reconstruct_snapshots, types: [BUG] # git bisect good f7c2ca25848b1da1843b7e0fa848ea721af6b132 Bisecting: 8272 revisions left to test after this (roughly 13 steps) [47cf96fbe393839b125a9b694a8cfdd3f4216baa] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit 47cf96fbe393839b125a9b694a8cfdd3f4216baa gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 8eecddefa49a640969f7ceb839f6612a1f48b452017f345208e4cfea590bb48c all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good 47cf96fbe393839b125a9b694a8cfdd3f4216baa Bisecting: 3746 revisions left to test after this (roughly 12 steps) [ec71f661a572a770d7c861cd52a50cbbb0e1a8d1] Merge tag 'soc-dt-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision f7c2ca25848b1da1843b7e0fa848ea721af6b132 crashed and is reachable testing commit ec71f661a572a770d7c861cd52a50cbbb0e1a8d1 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 294ed765c700e8aec6598c45d8ad65b4ea6b985104b6aa4f7a9992e3dfb15ed0 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good ec71f661a572a770d7c861cd52a50cbbb0e1a8d1 Bisecting: 1873 revisions left to test after this (roughly 11 steps) [bfdf35c5dc6267f70f76abddfacface4dd3b9ac0] Merge tag 'dmaengine-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine determine whether the revision contains the guilty commit revision ec71f661a572a770d7c861cd52a50cbbb0e1a8d1 crashed and is reachable testing commit bfdf35c5dc6267f70f76abddfacface4dd3b9ac0 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: d1c8feea446c52651c777986139901dfa73dcb24ac41305968a6153a01c39d13 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good bfdf35c5dc6267f70f76abddfacface4dd3b9ac0 Bisecting: 938 revisions left to test after this (roughly 10 steps) [c26f4fbd58375bd6ef74f95eb73d61762ad97c59] Merge tag 'char-misc-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc determine whether the revision contains the guilty commit revision f7c2ca25848b1da1843b7e0fa848ea721af6b132 crashed and is reachable testing commit c26f4fbd58375bd6ef74f95eb73d61762ad97c59 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: dea4f3f0a47f74fbb866237a2d7083272f1a8ab4a8bf4f423fc50de7853b7e96 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good c26f4fbd58375bd6ef74f95eb73d61762ad97c59 Bisecting: 467 revisions left to test after this (roughly 9 steps) [5b032cac622533631b8f9b7826498b7ce75001c6] Merge tag 'ubifs-for-linus-6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs determine whether the revision contains the guilty commit revision bfdf35c5dc6267f70f76abddfacface4dd3b9ac0 crashed and is reachable testing commit 5b032cac622533631b8f9b7826498b7ce75001c6 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: fda2ec3344fa10d2e944659798a452205373592314917723bad978aed7309dab all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good 5b032cac622533631b8f9b7826498b7ce75001c6 Bisecting: 220 revisions left to test after this (roughly 8 steps) [27605c8c0f69e319df156b471974e4e223035378] Merge tag 'net-6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision c26f4fbd58375bd6ef74f95eb73d61762ad97c59 crashed and is reachable testing commit 27605c8c0f69e319df156b471974e4e223035378 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: ba90ec7a1c86063fb2774c7568ed3dbac0167ad681e3f3fe6937a1684b8093f9 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good 27605c8c0f69e319df156b471974e4e223035378 Bisecting: 108 revisions left to test after this (roughly 7 steps) [27b9989b87119da2f33f2c0fcbb8984ab4ebdf1a] Merge tag 'mm-hotfixes-stable-2025-06-13-21-56' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit 27b9989b87119da2f33f2c0fcbb8984ab4ebdf1a gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 3f2ca1ecc6680dad7acea3769aa8476950015086888911e5b6e889cf1ce47587 all runs: OK false negative chance: 0.000 # git bisect bad 27b9989b87119da2f33f2c0fcbb8984ab4ebdf1a Bisecting: 55 revisions left to test after this (roughly 6 steps) [02adc1490e6d8681cc81057ed86d123d0240909b] Merge tag 'spi-fix-v6.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi determine whether the revision contains the guilty commit revision f7c2ca25848b1da1843b7e0fa848ea721af6b132 crashed and is reachable testing commit 02adc1490e6d8681cc81057ed86d123d0240909b gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 07d8eefa02c78a4c111ae556b187d165ff0d8f3ee560e31643145fe05d16d7d0 all runs: OK false negative chance: 0.000 # git bisect bad 02adc1490e6d8681cc81057ed86d123d0240909b Bisecting: 27 revisions left to test after this (roughly 5 steps) [ad6159087fbbd754bfe940bd62b6322307925faa] Merge tag 'v6.16-p4' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit ad6159087fbbd754bfe940bd62b6322307925faa gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: ed5df0f16ffe3ba09a6d5a3fe9f15878ffd32b4ce4ff521cbc3e28231cc2ad10 all runs: OK false negative chance: 0.000 # git bisect bad ad6159087fbbd754bfe940bd62b6322307925faa Bisecting: 13 revisions left to test after this (roughly 4 steps) [082c74411491f8b0d31465fc104b8342e66c4056] bcachefs: Fix downgrade_table_extra() determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit 082c74411491f8b0d31465fc104b8342e66c4056 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 13d3507bee517a82154c9cd7ceaf0c0f2d644c2ba1d35b38d6856fa79d42d5b5 all runs: OK false negative chance: 0.000 # git bisect bad 082c74411491f8b0d31465fc104b8342e66c4056 Bisecting: 6 revisions left to test after this (roughly 3 steps) [b47a82ff4772ea9d7091b85ef5f34dc78c866a02] bcachefs: Only run 'increase_depth' for keys from btree node csan determine whether the revision contains the guilty commit revision f7c2ca25848b1da1843b7e0fa848ea721af6b132 crashed and is reachable testing commit b47a82ff4772ea9d7091b85ef5f34dc78c866a02 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 23c6e89a40e9f5a9d474e53640ad431ce07c18e33c260fd6da0f8a11d2973183 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good b47a82ff4772ea9d7091b85ef5f34dc78c866a02 Bisecting: 3 revisions left to test after this (roughly 2 steps) [3315113af178041ab474723804e1322cee7d0a97] bcachefs: mark more errors autofix determine whether the revision contains the guilty commit revision 128c8f96eb8638c060cd3532dc394d046ce64fe1 crashed and is reachable testing commit 3315113af178041ab474723804e1322cee7d0a97 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: b7f0c41dde6b4a241da704c3f6a44a3edef7bf519aeea6ee9f835e61ab5a5a96 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good 3315113af178041ab474723804e1322cee7d0a97 Bisecting: 1 revision left to test after this (roughly 1 step) [f946ce0be45e75801583a5371fccf7466961d9d0] bcachefs: Make sure opts.read_only gets propagated back to VFS determine whether the revision contains the guilty commit revision 3315113af178041ab474723804e1322cee7d0a97 crashed and is reachable testing commit f946ce0be45e75801583a5371fccf7466961d9d0 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 26f931bb48b47699dcb477a66af1ad17f0aa2b6557faf7bea3f2ef3b8c359001 all runs: crashed: WARNING in rhashtable_init_noprof representative crash: WARNING in rhashtable_init_noprof, types: [WARNING] # git bisect good f946ce0be45e75801583a5371fccf7466961d9d0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [757601ef853359fe2d57d75c00b5045f62efc608] bcachefs: Don't put rhashtable on stack determine whether the revision contains the guilty commit revision 3315113af178041ab474723804e1322cee7d0a97 crashed and is reachable testing commit 757601ef853359fe2d57d75c00b5045f62efc608 gcc compiler: Debian clang version 20.1.6 (++20250514063057+1e4d39e07757-1~exp1~20250514183223.118), Debian LLD 20.1.6 kernel signature: 5d1ec60bc346d5e9c614782650b57e572012d0fe57cb469bf224ca826369496a all runs: OK false negative chance: 0.000 # git bisect bad 757601ef853359fe2d57d75c00b5045f62efc608 757601ef853359fe2d57d75c00b5045f62efc608 is the first bad commit commit 757601ef853359fe2d57d75c00b5045f62efc608 Author: Kent Overstreet Date: Sun Jun 8 11:40:00 2025 -0400 bcachefs: Don't put rhashtable on stack Object debugging generally needs special provisions for putting said objects on the stack, which rhashtable does not have. Reported-by: syzbot+bcc38a9556d0324c2ec2@syzkaller.appspotmail.com Signed-off-by: Kent Overstreet fs/bcachefs/movinggc.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) accumulated error probability: 0.00 culprit signature: 5d1ec60bc346d5e9c614782650b57e572012d0fe57cb469bf224ca826369496a parent signature: 26f931bb48b47699dcb477a66af1ad17f0aa2b6557faf7bea3f2ef3b8c359001 revisions tested: 23, total time: 8h2m43.075640307s (build: 4h8m38.057513108s, test: 2h25m6.865036761s) first good commit: 757601ef853359fe2d57d75c00b5045f62efc608 bcachefs: Don't put rhashtable on stack recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): []