ci2 starts bisection 2025-04-24 00:09:06.652918793 +0000 UTC m=+25496.051940352 bisecting cause commit starting from a79be02bba5c31f967885c7f3bf3a756d77d11d9 building syzkaller on 73a168d010b3ba0a82f850b9fe73e6907539ff20 ensuring issue is reproducible on original commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 59b05bf374268dbe009829170cbe13f95e749850bfaff11cfa985e3a24cf580b all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: e7f9ceefc46a046b3e2a7a5ddb9517c39938e19216ba1a82e2457843840a04b3 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=4068 full=8314 leaves diff=2128 split chunks (needed=false): <2128> split chunk #0 of len 2128 into 5 parts testing without sub-chunk 1/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 674777d3b732850d884b3097af4f894f70bc27c4b67b0d111a318cfdd18b039c all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: a13e8e59dd5dac792e35538191e102bb357d8231954514aba975ff01ad4d0349 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 1b3b35c4c0c10e1987b50007cc0ee546f01d7fb50fa61fdc10f312aebe68b055 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, 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 a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 7138a3b3a78a031ad039dd1b45112bead221656b0ab925a0ac87292eb9798e39 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit a79be02bba5c31f967885c7f3bf3a756d77d11d9 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 6210351bf81cdd1beab06a82fe585f8fd095aca58cf55b53bbf82facbd45bbee all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] the chunk can be dropped minimized to 426 configs; suspects: [6LOWPAN 6LOWPAN_GHC_EXT_HDR_DEST 6LOWPAN_GHC_EXT_HDR_FRAG 6LOWPAN_GHC_EXT_HDR_HOP 6LOWPAN_GHC_EXT_HDR_ROUTE 6LOWPAN_GHC_ICMPV6 6LOWPAN_GHC_UDP 6LOWPAN_NHC 6LOWPAN_NHC_DEST 6LOWPAN_NHC_FRAGMENT 6LOWPAN_NHC_HOP 6LOWPAN_NHC_IPV6 6LOWPAN_NHC_MOBILITY 6LOWPAN_NHC_ROUTING 6LOWPAN_NHC_UDP 6PACK 842_COMPRESS 842_DECOMPRESS 9P_FSCACHE 9P_FS_POSIX_ACL 9P_FS_SECURITY ACORN_PARTITION ACORN_PARTITION_ADFS ACORN_PARTITION_CUMANA ACORN_PARTITION_EESOX ACORN_PARTITION_ICS ACORN_PARTITION_POWERTEC ACORN_PARTITION_RISCIX ACPI_NFIT ACPI_NHLT ACPI_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMD_SFH_HID AMIGA_PARTITION ANDROID_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_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_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CHACHA_GENERIC CRYPTO_LIB_CHACHA_INTERNAL CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_CURVE25519_INTERNAL CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LIB_POLY1305_INTERNAL 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_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_HELPER DRM_FBDEV_EMULATION ENCRYPTED_KEYS FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ LIBNVDIMM MAC80211 MAC80211_DEBUGFS MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 MMC MTD NET_CLS_U32 NET_SCH_DEFAULT PARTITION_ADVANCED RFKILL SERIAL_DEV_BUS TLS TLS_DEVICE TRANSPARENT_HUGEPAGE TRUSTED_KEYS USB_GADGET USB_PHY VLAN_8021Q WANT_COMPAT_NETLINK_MESSAGES WEXT_CORE WIRELESS WLAN WLAN_VENDOR_ATH ZONE_DEVICE] disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed picked [v6.14 v6.13 v6.12 v6.10 v6.8 v6.6 v6.4 v6.2 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 37 release tags testing release v6.14 testing commit 38fec10eb60d687e30c8c6b5420d86e8149f7557 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 708d7f1056e90564c7e4347c40d0822bb68b00ab3e4e8974c99beed9023d66eb all runs: OK false negative chance: 0.000 # git bisect start a79be02bba5c31f967885c7f3bf3a756d77d11d9 38fec10eb60d687e30c8c6b5420d86e8149f7557 Bisecting: 7187 revisions left to test after this (roughly 13 steps) [5c2a430e85994f4873ea5ec42091baa1153bc731] Merge tag 'ext4-for_linus-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 testing commit 5c2a430e85994f4873ea5ec42091baa1153bc731 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 26e74d2fdfb5a12591ec22888d34bed2efe3f8ce48ecd65dea1e14aeb2ff977d all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad 5c2a430e85994f4873ea5ec42091baa1153bc731 Bisecting: 3668 revisions left to test after this (roughly 12 steps) [1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3] Merge tag 'timers-clocksource-2025-03-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip testing commit 1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 6513cc7cd37d93e60107afc015e481257c1c579579029a25d1af15c81aec8d67 all runs: OK false negative chance: 0.000 # git bisect good 1e1ba8d23dae91e6a9cfeb1236b02749e8a49ab3 Bisecting: 1842 revisions left to test after this (roughly 11 steps) [705094f6556d88540e1076e432cbca6b596421dd] unix: fix up for "apparmor: add fine grained af_unix mediation" testing commit 705094f6556d88540e1076e432cbca6b596421dd gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: dc2f01018a2e201d5a6431952f8580404d0512091c5239c79e22de9b45f8a1e1 all runs: OK false negative chance: 0.000 # git bisect good 705094f6556d88540e1076e432cbca6b596421dd Bisecting: 791 revisions left to test after this (roughly 10 steps) [2f24482304ebd32c5aa374f31465b9941a860b92] Merge tag 'soc-dt-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 2f24482304ebd32c5aa374f31465b9941a860b92 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: e934678ac043e05bc5b5a9e30c9a4d084de22b896f011a7f7115e821a726578c all runs: OK false negative chance: 0.000 # git bisect good 2f24482304ebd32c5aa374f31465b9941a860b92 Bisecting: 422 revisions left to test after this (roughly 9 steps) [fd71def6d9abc5ae362fb9995d46049b7b0ed391] Merge tag 'for-6.15-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit fd71def6d9abc5ae362fb9995d46049b7b0ed391 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 0cf35229a125398ed5a8394148d89b1bcefdf919daf849a543b2cc9f134d2286 all runs: OK false negative chance: 0.000 # git bisect good fd71def6d9abc5ae362fb9995d46049b7b0ed391 Bisecting: 242 revisions left to test after this (roughly 8 steps) [d8bdc8daac1d1b0a4efb1ecc69bef4eb4fc5e050] bcachefs: Kill unnecessary bch2_dev_usage_read() testing commit d8bdc8daac1d1b0a4efb1ecc69bef4eb4fc5e050 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 48f6884311c721df429853bfdc23e03122d182f297a4732a43cc9a82c182485e all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad d8bdc8daac1d1b0a4efb1ecc69bef4eb4fc5e050 Bisecting: 89 revisions left to test after this (roughly 7 steps) [76872d46b7fa8b6dc8303de4ed45a9ac6ed92f91] bcachefs: Split out dirent alloc and name initialization testing commit 76872d46b7fa8b6dc8303de4ed45a9ac6ed92f91 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: bfc70132b58b6c6a100f2ef900a7ef8112328a200cf73181424e7d25bfb6cbb0 all runs: OK false negative chance: 0.000 # git bisect good 76872d46b7fa8b6dc8303de4ed45a9ac6ed92f91 Bisecting: 44 revisions left to test after this (roughly 6 steps) [ccba9029b01cdcc1aa6f3ed6375efdc0d779cc8f] bcachefs: Print message on successful read retry testing commit ccba9029b01cdcc1aa6f3ed6375efdc0d779cc8f gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: aadded70cd48722bdbcab59214784e51567e49e8b8d69160c386aaa23fb737b8 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad ccba9029b01cdcc1aa6f3ed6375efdc0d779cc8f Bisecting: 22 revisions left to test after this (roughly 5 steps) [2efa8397cac3bb18a129054d22ae58b60fbbdd26] bcachefs: Fix btree_node_scan io_ref handling testing commit 2efa8397cac3bb18a129054d22ae58b60fbbdd26 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 7c85224ec0c181de47f43f5aab0213ab9229926b2571476d94b9695b3ee26579 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad 2efa8397cac3bb18a129054d22ae58b60fbbdd26 Bisecting: 10 revisions left to test after this (roughly 4 steps) [bafd41b435afebe40ce931cc4599e5aa330788f3] bcachefs: Fix error type in bch2_alloc_v3_validate() testing commit bafd41b435afebe40ce931cc4599e5aa330788f3 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 0c4e9d985d5f5e7b9caccf35a53d1f75c12b711eb9957aff65b37385ffef5ea1 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad bafd41b435afebe40ce931cc4599e5aa330788f3 Bisecting: 5 revisions left to test after this (roughly 3 steps) [47d4100b15c19f6a0b4594ca58eb5aab90703e96] Documentation: bcachefs: casefolding: Use bullet list for dirent structure testing commit 47d4100b15c19f6a0b4594ca58eb5aab90703e96 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: 0b9fb4dbec460cc77a2f1cd1498f758d88acfa8d746faaca115ae987f8757fd6 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad 47d4100b15c19f6a0b4594ca58eb5aab90703e96 Bisecting: 2 revisions left to test after this (roughly 1 step) [24d790a7daa37093679874804842703cf13bf511] bcachefs: sysfs internal/trigger_btree_updates testing commit 24d790a7daa37093679874804842703cf13bf511 gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: e7fdf1ab9580936f71a3aff1e3305636cd561db19b2bd29e4e6b21636d6e5628 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad 24d790a7daa37093679874804842703cf13bf511 Bisecting: 0 revisions left to test after this (roughly 0 steps) [d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd] bcachefs: bcachefs_metadata_version_casefolding testing commit d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd gcc compiler: Debian clang version 15.0.6, Debian LLD 15.0.6 kernel signature: ebbc8f4a91619c3a6557e27a6f29ea0b33caba1d5505daa173cd701c6998e4c5 all runs: crashed: kernel BUG in __bch2_str_hash_check_key representative crash: kernel BUG in __bch2_str_hash_check_key, types: [BUG] # git bisect bad d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd is the first bad commit commit d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd Author: Joshua Ashton Date: Sun Aug 13 18:34:17 2023 +0100 bcachefs: bcachefs_metadata_version_casefolding This patch implements support for case-insensitive file name lookups in bcachefs. The implementation uses the same UTF-8 lowering and normalization that ext4 and f2fs is using. More information is provided in Documentation/bcachefs/casefolding.rst Compatibility notes: This uses the new versioning scheme for incompatible features where an incompatible feature is tied to a version number: the superblock says "we may use incompat features up to x" and "incompat features up to x are in use", disallowing mounting by previous versions. Additionally, and old style incompat feature bit is used, so that kernels without utf8 casefolding support know if casefolding specifically is in use and they're allowed to mount. Signed-off-by: Joshua Ashton Cc: André Almeida Cc: Gabriel Krisman Bertazi Signed-off-by: Kent Overstreet Documentation/filesystems/bcachefs/casefolding.rst | 87 +++++++++++ fs/bcachefs/bcachefs.h | 6 + fs/bcachefs/bcachefs_format.h | 6 +- fs/bcachefs/dirent.c | 170 ++++++++++++++++++--- fs/bcachefs/dirent.h | 9 +- fs/bcachefs/dirent_format.h | 20 ++- fs/bcachefs/fs-common.c | 4 + fs/bcachefs/fs-ioctl.c | 25 +++ fs/bcachefs/fs-ioctl.h | 20 +-- fs/bcachefs/fs.c | 17 +++ fs/bcachefs/inode_format.h | 3 +- fs/bcachefs/sb-errors_format.h | 4 +- fs/bcachefs/str_hash.c | 2 +- fs/bcachefs/str_hash.h | 4 + fs/bcachefs/super.c | 19 +++ 15 files changed, 354 insertions(+), 42 deletions(-) create mode 100644 Documentation/filesystems/bcachefs/casefolding.rst accumulated error probability: 0.00 culprit signature: ebbc8f4a91619c3a6557e27a6f29ea0b33caba1d5505daa173cd701c6998e4c5 parent signature: bfc70132b58b6c6a100f2ef900a7ef8112328a200cf73181424e7d25bfb6cbb0 revisions tested: 21, total time: 6h17m5.814917435s (build: 3h14m25.65758386s, test: 2h46m47.668926829s) first bad commit: d37c14ac6f05ec98db9b3d9db424dc73a0f5b1cd bcachefs: bcachefs_metadata_version_casefolding recipients (to): ["joshua@froggi.es" "kent.overstreet@linux.dev"] recipients (cc): [] crash: kernel BUG in __bch2_str_hash_check_key u64s 7 type dirent 4096:6229884513039707068:U32_MAX len 0 ver 0: ÍËle2 -> 2165878814 -> 1056964609 type subvol, fixing hash table key at wrong offset: btree dirents inode 4096 offset 6229884513039707068, hashed to 2263426191451115502 u64s 7 type dirent 4096:6229884513039707068:U32_MAX len 0 ver 0: ÍËle2 -> 2165878814 -> 1056964609 type subvol, fixing ------------[ cut here ]------------ kernel BUG at fs/bcachefs/fsck.c:1010! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 0 UID: 0 PID: 3352 Comm: syz.2.16 Not tainted 6.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:bch2_fsck_update_backpointers+0x154/0x160 fs/bcachefs/fsck.c:1010 Code: 24 18 c8 00 00 00 48 81 c5 c8 00 00 00 48 03 44 24 28 48 39 c5 72 cc e9 5d ff ff ff 41 89 c7 e9 55 ff ff ff e8 bd 31 1c 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900035b73e8 EFLAGS: 00010246 RAX: 0000000000000010 RBX: ffff888179fdd780 RCX: ffff888179fdd780 RDX: ffffc900035b76e8 RSI: ffffc900035b7788 RDI: ffff8881047cc000 RBP: ffffffff81b7e720 R08: ffffffff81b7e5a0 R09: 0000000a00000002 R10: ffffffff81b7e580 R11: 0000000000000000 R12: 000000000000000a R13: 0000000000000000 R14: ffff888179fdd7c0 R15: 0000000000000000 FS: 00007fdf5d8b36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf5c971da0 CR3: 00000001027ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bch2_str_hash_check_key+0x10a5/0x1320 fs/bcachefs/str_hash.c:257 bch2_str_hash_check_key fs/bcachefs/str_hash.h:419 [inline] check_dirent fs/bcachefs/fsck.c:2352 [inline] bch2_check_dirents+0xdef/0x10c0 fs/bcachefs/fsck.c:2447 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:226 [inline] bch2_run_recovery_passes+0x10d/0x2a0 fs/bcachefs/recovery_passes.c:291 bch2_fs_recovery+0xa2f/0x1370 fs/bcachefs/recovery.c:936 bch2_fs_start+0x1c9/0x290 fs/bcachefs/super.c:1060 bch2_fs_get_tree+0x2be/0x690 fs/bcachefs/fs.c:2221 vfs_get_tree+0x27/0xf0 fs/super.c:1814 do_new_mount+0x15a/0x3a0 fs/namespace.c:3560 do_mount fs/namespace.c:3900 [inline] __do_sys_mount fs/namespace.c:4111 [inline] __se_sys_mount+0x147/0x1b0 fs/namespace.c:4088 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x1f0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf5c99010a 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:00007fdf5d8b2e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fdf5d8b2ef0 RCX: 00007fdf5c99010a RDX: 000020000000f640 RSI: 0000200000000200 RDI: 00007fdf5d8b2eb0 RBP: 000020000000f640 R08: 00007fdf5d8b2ef0 R09: 0000000002a18414 R10: 0000000002a18414 R11: 0000000000000246 R12: 0000200000000200 R13: 00007fdf5d8b2eb0 R14: 000000000000f651 R15: 00002000000004c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_fsck_update_backpointers+0x154/0x160 fs/bcachefs/fsck.c:1010 Code: 24 18 c8 00 00 00 48 81 c5 c8 00 00 00 48 03 44 24 28 48 39 c5 72 cc e9 5d ff ff ff 41 89 c7 e9 55 ff ff ff e8 bd 31 1c 01 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900035b73e8 EFLAGS: 00010246 RAX: 0000000000000010 RBX: ffff888179fdd780 RCX: ffff888179fdd780 RDX: ffffc900035b76e8 RSI: ffffc900035b7788 RDI: ffff8881047cc000 RBP: ffffffff81b7e720 R08: ffffffff81b7e5a0 R09: 0000000a00000002 R10: ffffffff81b7e580 R11: 0000000000000000 R12: 000000000000000a R13: 0000000000000000 R14: ffff888179fdd7c0 R15: 0000000000000000 FS: 00007fdf5d8b36c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf5c971da0 CR3: 00000001027ac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400