ci starts bisection 2025-07-05 16:09:41.370854514 +0000 UTC m=+36676.541589091
bisecting cause commit starting from 50c8770a42faf8b1c7abe93e7c114337f580a97d
building syzkaller on 0cd59a8f39893a99b3c21e8be52a1924e565581c
fetch other tags and check if the commit is present
ensuring issue is reproducible on original commit 50c8770a42faf8b1c7abe93e7c114337f580a97d

testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c00564f69ce4dcfd033c534ea6892405a7535a027720505d3e715704f4fa00b9
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
check whether we can drop unnecessary instrumentation
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: dbb87ba5eb4e76d87388425bc4f1b578a0069dc3f6761e5f31135bf4dd892332
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
the bug reproduces without the instrumentation
disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed
kconfig minimization: base=4095 full=8385 leaves diff=2124
split chunks (needed=false): <2124>
split chunk #0 of len 2124 into 5 parts
testing without sub-chunk 1/5
disabling configs for [ubsan kasan locking atomic_sleep hang memleak], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7cdbf67cf96345e5b63ffebc3ba68465200d7ea754676485ebe656073da73dae
all runs: OK
false negative chance: 0.000
testing without sub-chunk 2/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: f1481171adcca53c6d09ff1ea5d7057876d61c9382216568b6d5af55dc6ff57a
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
the chunk can be dropped
testing without sub-chunk 3/5
disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: fd2e369356c4c04d7c573a4d70d3b3f8a8f91f4fa14b12720ef759ebfbe38114
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
the chunk can be dropped
testing without sub-chunk 4/5
disabling configs for [hang memleak ubsan kasan locking atomic_sleep], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 329b715026fa33f4bf6b07d22a0331cd703eb614d49baf76e7800b6dbad5c7f9
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
the chunk can be dropped
testing without sub-chunk 5/5
disabling configs for [kasan locking atomic_sleep hang memleak ubsan], they are not needed
testing commit 50c8770a42faf8b1c7abe93e7c114337f580a97d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 9f7e3f128a7010cf5f2afa256547de427642d2000a6549bb935e3a4d6cc52d01
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
the chunk can be dropped
minimized to 425 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 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_CCITT 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_SHA512 CRYPTO_LIB_SHA512_ARCH 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_SHA1_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_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 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 [kasan locking atomic_sleep hang memleak ubsan], 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 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 89265f2fb0357886d228cc142604611a7ef64b8171164322ec6309eaf54e763f
all runs: OK
false negative chance: 0.000
# git bisect start 50c8770a42faf8b1c7abe93e7c114337f580a97d 0ff41df1cb268fc69e703a08a57ee14ae967d0ca
Bisecting: 10725 revisions left to test after this (roughly 13 steps)
[00c010e130e58301db2ea0cec1eadc931e1cb8cf] Merge tag 'mm-stable-2025-05-31-14-50' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

testing commit 00c010e130e58301db2ea0cec1eadc931e1cb8cf gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 3b76d54ef0eab777a9ce64d2f3a387685934ce4ace59a34a1096369148f47bfb
all runs: OK
false negative chance: 0.000
# git bisect good 00c010e130e58301db2ea0cec1eadc931e1cb8cf
Bisecting: 5363 revisions left to test after this (roughly 12 steps)
[d3ce0292157398bf76d2a20e7f293a4ab1960f0e] Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git

testing commit d3ce0292157398bf76d2a20e7f293a4ab1960f0e gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: ea7a16688f3bbf184afe5dcd9898c5c77bab47aee88a78858b553c6086c88c6a
all runs: OK
false negative chance: 0.000
# git bisect good d3ce0292157398bf76d2a20e7f293a4ab1960f0e
Bisecting: 2511 revisions left to test after this (roughly 11 steps)
[3f6e44780b229e6ca06661950560933bc84c2153] Merge branch 'drm-next' of https://gitlab.freedesktop.org/drm/kernel.git

testing commit 3f6e44780b229e6ca06661950560933bc84c2153 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c6756b5b083a0690e59b77f6180b746b535e2016e2968aace3dbce00b34e8d87
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 3f6e44780b229e6ca06661950560933bc84c2153
Bisecting: 1724 revisions left to test after this (roughly 11 steps)
[09e1d056a3fe6a24d164b9f290a9018081437af5] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git

testing commit 09e1d056a3fe6a24d164b9f290a9018081437af5 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 41ec67f89812806b0019e4de7ea63e1c9db4920cf6779ec23a5d6fbb51612fc6
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 09e1d056a3fe6a24d164b9f290a9018081437af5
Bisecting: 552 revisions left to test after this (roughly 9 steps)
[7eee21b541dda9ffa75201e584e61ea2d7a4244d] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux.git

testing commit 7eee21b541dda9ffa75201e584e61ea2d7a4244d gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 5ade4771da50f70a6d5772cff85d69e8dd4922712eb6f11fb1ed52044e4826ce
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 7eee21b541dda9ffa75201e584e61ea2d7a4244d
Bisecting: 293 revisions left to test after this (roughly 8 steps)
[f4671928b307f556899faf260b481a547e94dd2c] Merge branch 'master' of https://github.com/Paragon-Software-Group/linux-ntfs3.git

testing commit f4671928b307f556899faf260b481a547e94dd2c gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7055cd1b6fcda4989759ba00e22e1e9aecfc050388717fe2a23249723850fb1b
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad f4671928b307f556899faf260b481a547e94dd2c
Bisecting: 139 revisions left to test after this (roughly 7 steps)
[4c5b0011e9b531f7221b3a5b8c3f80fc6590c4b9] btrfs: use btrfs inodes in btrfs_rmdir() to avoid so much usage of BTRFS_I()

testing commit 4c5b0011e9b531f7221b3a5b8c3f80fc6590c4b9 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 2d7c7b418200864670dacb971413b6f1524abb3564f91f25a6a88ea4030fa103
all runs: OK
false negative chance: 0.000
# git bisect good 4c5b0011e9b531f7221b3a5b8c3f80fc6590c4b9
Bisecting: 60 revisions left to test after this (roughly 6 steps)
[0544d2b1a9721708c67e4751ff0313c35c1ed988] Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux.git

testing commit 0544d2b1a9721708c67e4751ff0313c35c1ed988 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: faade7a97282b5865f7bde7dfe25d82cc4f63ed2a0ebc7fe9727fe6f68e4df1d
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 0544d2b1a9721708c67e4751ff0313c35c1ed988
Bisecting: 38 revisions left to test after this (roughly 5 steps)
[af153c9152377088317ad46119d74b4b7503dbbc] Merge branch 'misc-next' into for-next-next-v6.16-20250701

testing commit af153c9152377088317ad46119d74b4b7503dbbc gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 76ecae092b0e726015fefa4496745a1e3d3c8c4dadc0cd970f0abf76c270d854
all runs: OK
false negative chance: 0.000
# git bisect good af153c9152377088317ad46119d74b4b7503dbbc
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[b885c7678d740e8584102a700686f0acf41857cb] bcachefs: Evict/bypass key cache when deleting

testing commit b885c7678d740e8584102a700686f0acf41857cb gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 4a878be14efd45ae5ec25107b8866cb035cf1b9705016360f4688559ac36434b
all runs: OK
false negative chance: 0.000
# git bisect good b885c7678d740e8584102a700686f0acf41857cb
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[c6dcbeb68dbe2ecc01625dbec86c2b93190ecdd1] bcachefs: check_key_has_inode() reconstructs more aggressively

testing commit c6dcbeb68dbe2ecc01625dbec86c2b93190ecdd1 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 5a5ab732e1265d936a0f5fed544851da9a44c81e0b9dbe243e36c3400d3b75f8
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad c6dcbeb68dbe2ecc01625dbec86c2b93190ecdd1
Bisecting: 4 revisions left to test after this (roughly 2 steps)
[a528f41b4c73d54395ce090562103e188b876d74] bcachefs: Finish error_throw tracepoints

testing commit a528f41b4c73d54395ce090562103e188b876d74 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 83cde885077c245647c97784cadd9676074a642cfee803220f4dc056902d56bc
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad a528f41b4c73d54395ce090562103e188b876d74
Bisecting: 2 revisions left to test after this (roughly 1 step)
[e1ce52e7a67b9479cf54d024456cac6ae890b0d4] bcachefs: Shut up clang warning

testing commit e1ce52e7a67b9479cf54d024456cac6ae890b0d4 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 7d6f2c2ec6e7a73ac292386c8d57be629bfb5f33f78e3ec435bbd1f43a4101dc
all runs: OK
false negative chance: 0.000
# git bisect good e1ce52e7a67b9479cf54d024456cac6ae890b0d4
Bisecting: 0 revisions left to test after this (roughly 1 step)
[47417476841e1286588de551717930080e3092cb] bcachefs: Improved btree node tracepoints

testing commit 47417476841e1286588de551717930080e3092cb gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: 6e2e7328fcc30aaaeaa62f44ce7c02ec0ae481fe5ed23354e6494f5c3b3b285f
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 47417476841e1286588de551717930080e3092cb
Bisecting: 0 revisions left to test after this (roughly 0 steps)
[0803fa689bb9eb8d01867808b886a26e76ff1690] bcachefs: -o fix_errors may now be used without -o fsck

testing commit 0803fa689bb9eb8d01867808b886a26e76ff1690 gcc
compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7
kernel signature: c7d7bebbfbaf660e6ec2f2cff33134790f4eb44937eb62536c34fe81cb5aaeb8
all runs: crashed: kernel BUG in __btree_trans_update_by_path
representative crash: kernel BUG in __btree_trans_update_by_path, types: [BUG]
# git bisect bad 0803fa689bb9eb8d01867808b886a26e76ff1690
0803fa689bb9eb8d01867808b886a26e76ff1690 is the first bad commit
commit 0803fa689bb9eb8d01867808b886a26e76ff1690
Author: Kent Overstreet <kent.overstreet@linux.dev>
Date:   Thu Jun 26 19:52:42 2025 -0400

    bcachefs: -o fix_errors may now be used without -o fsck
    
    Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

 fs/bcachefs/error.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

accumulated error probability: 0.00
culprit signature: c7d7bebbfbaf660e6ec2f2cff33134790f4eb44937eb62536c34fe81cb5aaeb8
parent  signature: 7d6f2c2ec6e7a73ac292386c8d57be629bfb5f33f78e3ec435bbd1f43a4101dc
revisions tested: 23, total time: 7h21m20.645484629s (build: 4h38m28.373653103s, test: 2h8m59.730789989s)
first bad commit: 0803fa689bb9eb8d01867808b886a26e76ff1690 bcachefs: -o fix_errors may now be used without -o fsck
recipients (to): ["kent.overstreet@linux.dev" "kent.overstreet@linux.dev" "linux-bcachefs@vger.kernel.org"]
recipients (cc): ["linux-kernel@vger.kernel.org"]
crash: kernel BUG in __btree_trans_update_by_path
  while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0, fixing
bcachefs (loop2): bucket 0:42 data type btree ptr gen 0 missing in alloc btree
  while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0, fixing
 done
bcachefs (loop2): going read-write
bcachefs (loop2): journal_replay...
------------[ cut here ]------------
kernel BUG at fs/bcachefs/btree_update.c:339!
Oops: invalid opcode: 0000 [#1] SMP PTI
CPU: 0 UID: 0 PID: 3357 Comm: syz.2.16 Not tainted 6.16.0-rc2-syzkaller #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__btree_trans_update_by_path+0x59e/0x5b0 fs/bcachefs/btree_update.c:339
Code: 18 48 8b 48 10 49 89 4e 10 48 8b 08 48 8b 50 08 49 89 56 08 49 89 0e 48 83 c0 28 49 89 04 24 e9 82 fe ff ff e8 63 bd 27 01 90 <0f> 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 90 90 90 90
RSP: 0018:ffffc900037735c0 EFLAGS: 00010246
RAX: 0000000000008542 RBX: ffff88817a184000 RCX: 0000000000000088
RDX: ffff88810fbd4900 RSI: 0000000000000001 RDI: ffff88817a184000
RBP: ffff88817a184000 R08: ffffffff81c46091 R09: 0000000000000000
R10: 0000000000180000 R11: 0000000000000088 R12: ffff88817a184250
R13: 0000000000180000 R14: ffff88810fbd4900 R15: 0000000000000001
FS:  00007fcca05a76c0(0000) GS:ffff8882b2f2e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562dba846450 CR3: 0000000102b6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_trans_update_by_path fs/bcachefs/btree_update.c:454 [inline]
 bch2_trans_update_ip+0x326/0x6a0 fs/bcachefs/btree_update.c:546
 bch2_trans_update fs/bcachefs/btree_update.h:123 [inline]
 bch2_journal_replay_key+0x200/0x330 fs/bcachefs/recovery.c:311
 bch2_journal_replay+0x655/0xb80 fs/bcachefs/recovery.c:396
 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:484 [inline]
 __bch2_run_recovery_passes+0x168/0x3a0 fs/bcachefs/recovery_passes.c:539
 bch2_run_recovery_passes+0x98/0xb0 fs/bcachefs/recovery_passes.c:610
 bch2_fs_recovery+0xd78/0x13e0 fs/bcachefs/recovery.c:1005
 bch2_fs_start+0x3e5/0x540 fs/bcachefs/super.c:1212
 bch2_fs_get_tree+0x2ba/0x740 fs/bcachefs/fs.c:2488
 vfs_get_tree+0x29/0xf0 fs/super.c:1802
 do_new_mount+0x13f/0x390 fs/namespace.c:3885
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x147/0x1b0 fs/namespace.c:4410
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcc9f7900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcca05a6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcca05a6ef0 RCX: 00007fcc9f7900ca
RDX: 00002000000000c0 RSI: 0000200000000080 RDI: 00007fcca05a6eb0
RBP: 00002000000000c0 R08: 00007fcca05a6ef0 R09: 0000000000818001
R10: 0000000000818001 R11: 0000000000000246 R12: 0000200000000080
R13: 00007fcca05a6eb0 R14: 00000000000059bf R15: 0000200000000480
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__btree_trans_update_by_path+0x59e/0x5b0 fs/bcachefs/btree_update.c:339
Code: 18 48 8b 48 10 49 89 4e 10 48 8b 08 48 8b 50 08 49 89 56 08 49 89 0e 48 83 c0 28 49 89 04 24 e9 82 fe ff ff e8 63 bd 27 01 90 <0f> 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 0f 0b 90 90 90 90 90
RSP: 0018:ffffc900037735c0 EFLAGS: 00010246
RAX: 0000000000008542 RBX: ffff88817a184000 RCX: 0000000000000088
RDX: ffff88810fbd4900 RSI: 0000000000000001 RDI: ffff88817a184000
RBP: ffff88817a184000 R08: ffffffff81c46091 R09: 0000000000000000
R10: 0000000000180000 R11: 0000000000000088 R12: ffff88817a184250
R13: 0000000000180000 R14: ffff88810fbd4900 R15: 0000000000000001
FS:  00007fcca05a76c0(0000) GS:ffff8882b2f2e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562dba846450 CR3: 0000000102b6a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400