ci2 starts bisection 2025-09-01 08:00:39.440335176 +0000 UTC m=+207265.076569563 bisecting cause commit starting from c330cb607721bae34c404604e2867be53e6c6949 building syzkaller on bf27483f963359281b2d9b6d6efd36289f82e282 ensuring issue is reproducible on original commit c330cb607721bae34c404604e2867be53e6c6949 testing commit c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8d9a15b920ce16b149f96a74f17cb01f0d382be6c2330dc3c2d3cd8040866382 run #0: crashed: kernel BUG in __bch2_trans_commit run #1: crashed: kernel BUG in __bch2_trans_commit run #2: crashed: kernel BUG in __bch2_trans_commit run #3: crashed: kernel BUG in __bch2_trans_commit run #4: crashed: kernel BUG in __bch2_trans_commit run #5: crashed: kernel BUG in corrupted run #6: crashed: kernel BUG in __bch2_trans_commit run #7: crashed: kernel BUG in __bch2_trans_commit run #8: crashed: kernel BUG in __bch2_trans_commit run #9: crashed: kernel BUG in __bch2_trans_commit run #10: crashed: kernel BUG in __bch2_trans_commit run #11: crashed: kernel BUG in __bch2_trans_commit run #12: crashed: kernel BUG in __bch2_trans_commit run #13: crashed: kernel BUG in corrupted run #14: crashed: kernel BUG in __bch2_trans_commit run #15: crashed: kernel BUG in __bch2_trans_commit run #16: crashed: kernel BUG in __bch2_trans_commit run #17: crashed: kernel BUG in __bch2_trans_commit run #18: crashed: kernel BUG in __bch2_trans_commit run #19: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, 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 c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 13b3213c5139eec3ae59bcb71eeca95c1f4d5ad394af25a10c58e1e31ee6d9fa all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] the bug reproduces without the instrumentation disabling configs for [atomic_sleep hang memleak ubsan kasan locking], they are not needed kconfig minimization: base=4092 full=8349 leaves diff=2173 split chunks (needed=false): <2173> split chunk #0 of len 2173 into 5 parts testing without sub-chunk 1/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 61be9c5dc53d804f8e358653b58492e7c1614ee1efc3a7884e565c418c520522 all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [locking atomic_sleep hang memleak ubsan kasan], they are not needed testing commit c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 17780aa3915d23a8415e36242f9a9e9c0bb27622b1753b94e4beec4bcee907f2 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [memleak ubsan kasan locking atomic_sleep hang], they are not needed testing commit c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: ba1c9ae33c64a4a1214c9c35e7c2f54e0c2bf2c77e4ff47102af89b4c8de6d9b all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, 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 c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 9e966e0cbaab6ba4a7c3f0b54a8bf17ebdfc3a01cadc21a37e82bf5332ed7320 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, 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 c330cb607721bae34c404604e2867be53e6c6949 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1284d64a36c0cfa107a6243e6f4e22aafde8ea751ff3e6cca5b14bcc17b7c086 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] the chunk can be dropped minimized to 435 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS APPLE_MFI_FASTCHARGE AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_HAS_CPU_ATTACK_VECTORS ARCH_HAS_USER_SHADOW_STACK ARCH_SUPPORTS_HUGETLBFS 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_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_WBT BLK_WBT_MQ BONDING BOOT_VESA_SUPPORT BPF_EVENTS BPF_JIT BPF_JIT_ALWAYS_ON BPF_JIT_DEFAULT_ON BPF_LSM BPF_PRELOAD BPF_PRELOAD_UMD BPF_SYSCALL BPQETHER BRIDGE BRIDGE_CFM BRIDGE_EBT_802_3 BRIDGE_EBT_AMONG BRIDGE_EBT_ARP BRIDGE_EBT_ARPREPLY BRIDGE_EBT_DNAT BRIDGE_EBT_IP BRIDGE_EBT_IP6 BRIDGE_EBT_LIMIT BRIDGE_EBT_LOG BRIDGE_EBT_MARK BRIDGE_EBT_MARK_T BRIDGE_EBT_NFLOG BRIDGE_EBT_PKTTYPE BRIDGE_EBT_REDIRECT BRIDGE_EBT_SNAT BRIDGE_EBT_STP BRIDGE_EBT_VLAN BRIDGE_IGMP_SNOOPING BRIDGE_MRP BRIDGE_NF_EBTABLES BRIDGE_VLAN_FILTERING BSD_DISKLABEL BSD_PROCESS_ACCT_V3 BT BTRFS_ASSERT BTRFS_FS BTRFS_FS_POSIX_ACL BTRFS_FS_REF_VERIFY BTT BT_6LOWPAN BT_ATH3K BT_BCM BT_BNEP BT_BNEP_MC_FILTER BT_BNEP_PROTO_FILTER BT_BREDR BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_AUTOSUSPEND BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK BT_HCIBTUSB_POLL_SYNC BT_HCIBTUSB_RTL BT_HCIUART BT_HCIUART_3WIRE BT_HCIUART_AG6XX BT_HCIUART_BCSP BT_HCIUART_H4 BT_HCIUART_LL BT_HCIUART_MRVL BT_HCIUART_QCA BT_HCIUART_SERDEV BT_HCIVHCI BT_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 CHARGER_ISP1704 CHR_DEV_ST CIFS CIFS_ALLOW_INSECURE_LEGACY CIFS_DEBUG CIFS_DFS_UPCALL CIFS_FSCACHE CIFS_POSIX CIFS_SMB_DIRECT CIFS_SWN_UPCALL CIFS_UPCALL CIFS_XATTR CLOSURES CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MAX CMDLINE_PARTITION COMEDI COMEDI_8254 COMEDI_8255 COMEDI_8255_PCI COMEDI_8255_SA COMEDI_ADL_PCI9118 COMEDI_ADQ12B COMEDI_AIO_AIO12_8 COMEDI_AIO_IIRO_16 COMEDI_AMPLC_DIO200 COMEDI_AMPLC_DIO200_ISA COMEDI_AMPLC_PC236 COMEDI_AMPLC_PC236_ISA COMEDI_AMPLC_PC263_ISA COMEDI_BOND COMEDI_C6XDIGIO COMEDI_DAC02 COMEDI_DAS08 COMEDI_DAS08_ISA COMEDI_DAS16M1 COMEDI_DAS1800 COMEDI_DAS6402 COMEDI_DAS800 COMEDI_DMM32AT COMEDI_DT2801 COMEDI_DT2811 COMEDI_DT2814 COMEDI_DT2815 COMEDI_DT2817 COMEDI_DT282X COMEDI_DT9812 COMEDI_FL512 COMEDI_ISADMA COMEDI_ISA_DRIVERS COMEDI_KCOMEDILIB COMEDI_MISC_DRIVERS COMEDI_MPC624 COMEDI_MULTIQ3 COMEDI_NI_ATMIO16D COMEDI_NI_AT_A2150 COMEDI_NI_AT_AO COMEDI_NI_DAQ_700_CS COMEDI_NI_LABPC COMEDI_NI_LABPC_CS COMEDI_NI_LABPC_ISA COMEDI_NI_LABPC_ISADMA COMEDI_NI_LABPC_PCI COMEDI_NI_USB6501 COMEDI_PARPORT COMEDI_PCI_DRIVERS COMEDI_PCL711 COMEDI_PCL724 COMEDI_PCL726 COMEDI_PCL730 COMEDI_PCL812 COMEDI_PCL816 COMEDI_PCL818 COMEDI_PCM3724 COMEDI_PCMAD COMEDI_PCMCIA_DRIVERS COMEDI_PCMDA12 COMEDI_PCMMIO COMEDI_PCMUIO COMEDI_RTI800 COMEDI_RTI802 COMEDI_S526 COMEDI_TEST COMEDI_USBDUX COMEDI_USBDUXFAST COMEDI_USBDUXSIGMA COMEDI_USB_DRIVERS COMEDI_VMK80XX COMPAT_NETLINK_MESSAGES COUNTER CRAMFS CRAMFS_BLOCKDEV CRAMFS_MTD CRC64 CRC64_ARCH CRC8 CRC_ITU_T CRC_T10DIF CRC_T10DIF_ARCH CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20 CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32C CRYPTO_CRYPTD CRYPTO_CTS CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_HKDF CRYPTO_KDF800108_CTR CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_KRB5 CRYPTO_KRB5ENC CRYPTO_LIB_ARC4 CRYPTO_LIB_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_SHA1_ARCH CRYPTO_LIB_SHA256_ARCH 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_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 DCA DCB DEBUG_VFS DEFAULT_CODEL DEVICE_MIGRATION DEVICE_PRIVATE DMA_CMA FSCACHE FUSE_FS GPIOLIB HAMRADIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISA_BUS LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED PCCARD PCMCIA RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE 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 memleak ubsan kasan locking], they are not needed picked [v6.16 v6.15 v6.14 v6.12 v6.10 v6.8 v6.6 v6.4 v6.1 v5.18 v5.15 v5.12 v5.9 v5.6 v5.3 v5.0 v4.19] out of 39 release tags testing release v6.16 testing commit 038d61fd642278bab63ee8ef722c50d10ab01e8f gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 110fd65846241053cf82efcdd6a9b1f3fc6f39ebafbf25526b1ab90da45cf72c all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] testing release v6.15 testing commit 0ff41df1cb268fc69e703a08a57ee14ae967d0ca gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: e995ee0897f0b7a859a9faa576092845dabc4194c4c69b3a8a8837dc24730cdb all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 95b3540c755c965731a4ddd26efaf17d4f8528c194aa2ab22bd19832c16a68db all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] testing release v6.12 testing commit adc218676eef25575469234709c2d87185ca223a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 019a0c82ff6fa6d8bc44df482ff5562283049c2b4fa72d08d8fa6b57416cc17e all runs: OK false negative chance: 0.000 # git bisect start 38fec10eb60d687e30c8c6b5420d86e8149f7557 adc218676eef25575469234709c2d87185ca223a Bisecting: 13139 revisions left to test after this (roughly 14 steps) [af215c980c1fbf1ca01675b128b0dd194745b880] Merge tag 'drm-fixes-2024-12-20' of https://gitlab.freedesktop.org/drm/kernel testing commit af215c980c1fbf1ca01675b128b0dd194745b880 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 3c1a3a22b073cfb125f9792e998824c02c2be8a0ade2cf8ec94cd9d3c5e17e56 all runs: OK false negative chance: 0.000 # git bisect good af215c980c1fbf1ca01675b128b0dd194745b880 Bisecting: 6500 revisions left to test after this (roughly 13 steps) [c9c0543b52d8cfe3a3b15d1e39ab9dbc91be6df4] Merge tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit c9c0543b52d8cfe3a3b15d1e39ab9dbc91be6df4 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: c6d21d22c216c6ed4d70d459b87d1a05c24fe543680a19c2debb34796550c846 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad c9c0543b52d8cfe3a3b15d1e39ab9dbc91be6df4 Bisecting: 3245 revisions left to test after this (roughly 12 steps) [96c84703f1cf6ea43617f9565166681cd71df104] Merge tag 'drm-next-2025-01-17' of https://gitlab.freedesktop.org/drm/kernel testing commit 96c84703f1cf6ea43617f9565166681cd71df104 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 73648de6f12ec975d6d53145b163c5e7d2e2d62db0a37dc8faa79f4acf4a5a1c all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 96c84703f1cf6ea43617f9565166681cd71df104 Bisecting: 1652 revisions left to test after this (roughly 11 steps) [1cbfb828e05171ca2dd77b5988d068e6872480fe] Merge tag 'for-6.14/block-20250118' of git://git.kernel.dk/linux testing commit 1cbfb828e05171ca2dd77b5988d068e6872480fe gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 6e2f6887a85c06a7088b5d5a3637f637051769b066865e7a8c0fccdc69bbf210 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 1cbfb828e05171ca2dd77b5988d068e6872480fe Bisecting: 869 revisions left to test after this (roughly 10 steps) [097a7eef61bd0366a822418b2ba074942eb00744] btrfs: uncollapse transaction aborts during renames testing commit 097a7eef61bd0366a822418b2ba074942eb00744 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1c59d814f083add3d9918a172921e4083e48d6070d82c2a78e7abeaa184bff0f all runs: OK false negative chance: 0.000 # git bisect good 097a7eef61bd0366a822418b2ba074942eb00744 Bisecting: 398 revisions left to test after this (roughly 9 steps) [0eb4aaa230d725fa9b1cd758c0f17abca5597af6] Merge tag 'for-6.14-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit 0eb4aaa230d725fa9b1cd758c0f17abca5597af6 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 8a7773617d60dfd17d6e84e18a69d04670f69f40c94895e20e4e5764c569246f all runs: OK false negative chance: 0.000 # git bisect good 0eb4aaa230d725fa9b1cd758c0f17abca5597af6 Bisecting: 199 revisions left to test after this (roughly 8 steps) [68eb4fdd8c1c729aa7fbb1eb8d7af6c39917e117] bcachefs: tidy up __bch2_btree_iter_peek() testing commit 68eb4fdd8c1c729aa7fbb1eb8d7af6c39917e117 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: b02ac1ef498823e22539aab39086a0d16ebb05b1a3578f96ad7d003190849efb all runs: OK false negative chance: 0.000 # git bisect good 68eb4fdd8c1c729aa7fbb1eb8d7af6c39917e117 Bisecting: 100 revisions left to test after this (roughly 7 steps) [c9b39e51a301af677a1faaab75567077ce902178] Merge branch 'md-6.14-bitmap' into md-6.14 testing commit c9b39e51a301af677a1faaab75567077ce902178 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 1a5c191b2eae42bb8a3abd7a7932f43d5d98552ad4ea0dcedd346ac31c55ad50 all runs: OK false negative chance: 0.000 # git bisect good c9b39e51a301af677a1faaab75567077ce902178 Bisecting: 50 revisions left to test after this (roughly 6 steps) [8b1f46bff38f075b8d4071e7ac1edecb441fd53c] bcachefs: Dropped superblock write is no longer a fatal error testing commit 8b1f46bff38f075b8d4071e7ac1edecb441fd53c gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 85ea47083fc567578b227caf06e278cca75e50d3c222bb76ec585ea64d2c1788 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 8b1f46bff38f075b8d4071e7ac1edecb441fd53c Bisecting: 24 revisions left to test after this (roughly 5 steps) [59c50511f7a8ecded211656425c9b92e31329333] bcachefs: bcachefs_metadata_version_inode_depth testing commit 59c50511f7a8ecded211656425c9b92e31329333 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 0963c9fd273f18a8e245b1750abf9aa6fc1ad8b351d60bfc308ae5923efda317 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 59c50511f7a8ecded211656425c9b92e31329333 Bisecting: 12 revisions left to test after this (roughly 4 steps) [6679e363f44121ec07e9daeb0c78464df410bc47] bcachefs: bch2_btree_path_peek_slot() doesn't return errors testing commit 6679e363f44121ec07e9daeb0c78464df410bc47 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 90992708020021ed8a12273f91729328543b4bacccd9f07c25e9948d4da5a483 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 6679e363f44121ec07e9daeb0c78464df410bc47 Bisecting: 5 revisions left to test after this (roughly 3 steps) [85c060f62da4d039952895177f0c58b0167e320b] bcachefs: Kill equiv_seen arg to delete_dead_snapshots_process_key() testing commit 85c060f62da4d039952895177f0c58b0167e320b gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f0b34910bce0195db30e8754d1fdc11b2e4015fe982d8f15b88114f1b6e5d343 all runs: OK false negative chance: 0.000 # git bisect good 85c060f62da4d039952895177f0c58b0167e320b Bisecting: 2 revisions left to test after this (roughly 2 steps) [54c9b92fc7c0ffe7662eeb7f4874f885a15e5d1a] bcachefs: bch2_trans_log_msg() testing commit 54c9b92fc7c0ffe7662eeb7f4874f885a15e5d1a gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: 08fa43d26aef228b292cc965da3918d65cde43c8e0d26777cdfa9e30c8bc960f all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad 54c9b92fc7c0ffe7662eeb7f4874f885a15e5d1a Bisecting: 0 revisions left to test after this (roughly 1 step) [d0855e210675b8018f4e89ca77cbfa133bce3a71] bcachefs: Kill snapshot_t->equiv testing commit d0855e210675b8018f4e89ca77cbfa133bce3a71 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: f1700e46c0118d090b0f8165ab169865168879fe7d5948908051403d46cd8673 all runs: crashed: kernel BUG in __bch2_trans_commit representative crash: kernel BUG in __bch2_trans_commit, types: [BUG] # git bisect bad d0855e210675b8018f4e89ca77cbfa133bce3a71 Bisecting: 0 revisions left to test after this (roughly 0 steps) [35c5609abf512302e4f3119d08fd1729e392d339] bcachefs: Snapshot deletion no longer uses snapshot_t->equiv testing commit 35c5609abf512302e4f3119d08fd1729e392d339 gcc compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 kernel signature: da60afa1de107b045aec757ad20ee630f91f3f11be15d19697b0064b0df5c6cb all runs: OK false negative chance: 0.000 # git bisect good 35c5609abf512302e4f3119d08fd1729e392d339 d0855e210675b8018f4e89ca77cbfa133bce3a71 is the first bad commit commit d0855e210675b8018f4e89ca77cbfa133bce3a71 Author: Kent Overstreet Date: Thu Dec 12 04:03:32 2024 -0500 bcachefs: Kill snapshot_t->equiv Now entirely dead code. Signed-off-by: Kent Overstreet fs/bcachefs/snapshot.c | 108 +++++------------------------------------- fs/bcachefs/snapshot.h | 15 ------ fs/bcachefs/subvolume_types.h | 1 - 3 files changed, 13 insertions(+), 111 deletions(-) accumulated error probability: 0.00 culprit signature: f1700e46c0118d090b0f8165ab169865168879fe7d5948908051403d46cd8673 parent signature: da60afa1de107b045aec757ad20ee630f91f3f11be15d19697b0064b0df5c6cb revisions tested: 26, total time: 6h26m56.416256275s (build: 3h7m35.884075262s, test: 2h58m36.756654371s) first bad commit: d0855e210675b8018f4e89ca77cbfa133bce3a71 bcachefs: Kill snapshot_t->equiv recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: kernel BUG in __bch2_trans_commit ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_trans_commit.c:344! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 180 Comm: kworker/u8:4 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: writeback wb_workfn (flush-bcachefs-1) RIP: 0010:btree_insert_entry_checks fs/bcachefs/btree_trans_commit.c:339 [inline] RIP: 0010:bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:743 [inline] RIP: 0010:do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:866 [inline] RIP: 0010:__bch2_trans_commit+0x19f8/0x1f80 fs/bcachefs/btree_trans_commit.c:1066 Code: 0f 84 46 fe ff ff 44 8b 78 18 48 c7 c7 20 0b b8 83 48 8b 74 24 18 e8 47 af 8c ff e8 42 49 90 ff 45 85 ff 0f 8e 39 fe ff ff 90 <0f> 0b 89 d6 66 83 fa 08 72 5a 89 f2 31 f6 48 8b 3c f0 48 89 3c f1 RSP: 0018:ffffc90000fe7848 EFLAGS: 00010206 RAX: 2713e4aa15473c00 RBX: ffff88810effc000 RCX: 2713e4aa15473c00 RDX: 376c9a78f402b799 RSI: ffffffff837c55da RDI: ffff888108a85280 RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000020 R10: 0000000000000006 R11: ffffffff8198a900 R12: ffff88810effe468 R13: 0000000000000000 R14: ffff888110380000 R15: 0000000000000200 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc2d54f04d0 CR3: 000000010f7ec000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_trans_commit fs/bcachefs/btree_update.h:182 [inline] bch2_write_inode+0x413/0x500 fs/bcachefs/fs.c:113 bch2_vfs_write_inode+0x42/0x70 fs/bcachefs/fs.c:1832 write_inode fs/fs-writeback.c:1525 [inline] __writeback_single_inode+0x1f1/0x540 fs/fs-writeback.c:1745 writeback_sb_inodes+0x29c/0x550 fs/fs-writeback.c:1976 wb_writeback+0x196/0x450 fs/fs-writeback.c:2156 wb_do_writeback fs/fs-writeback.c:2303 [inline] wb_workfn+0x1ae/0x560 fs/fs-writeback.c:2343 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x313/0x6b0 kernel/workqueue.c:3310 worker_thread+0x214/0x2e0 kernel/workqueue.c:3391 kthread+0xf6/0x120 kernel/kthread.c:389 ret_from_fork+0x32/0x40 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:btree_insert_entry_checks fs/bcachefs/btree_trans_commit.c:339 [inline] RIP: 0010:bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:743 [inline] RIP: 0010:do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:866 [inline] RIP: 0010:__bch2_trans_commit+0x19f8/0x1f80 fs/bcachefs/btree_trans_commit.c:1066 Code: 0f 84 46 fe ff ff 44 8b 78 18 48 c7 c7 20 0b b8 83 48 8b 74 24 18 e8 47 af 8c ff e8 42 49 90 ff 45 85 ff 0f 8e 39 fe ff ff 90 <0f> 0b 89 d6 66 83 fa 08 72 5a 89 f2 31 f6 48 8b 3c f0 48 89 3c f1 RSP: 0018:ffffc90000fe7848 EFLAGS: 00010206 RAX: 2713e4aa15473c00 RBX: ffff88810effc000 RCX: 2713e4aa15473c00 RDX: 376c9a78f402b799 RSI: ffffffff837c55da RDI: ffff888108a85280 RBP: 0000000000000010 R08: 0000000000000000 R09: 0000000000000020 R10: 0000000000000006 R11: ffffffff8198a900 R12: ffff88810effe468 R13: 0000000000000000 R14: ffff888110380000 R15: 0000000000000200 FS: 0000000000000000(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc2d54f04d0 CR3: 000000010f7ec000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400