ci2 starts bisection 2024-10-02 13:03:50.195035729 +0000 UTC m=+7492.563405946 bisecting cause commit starting from e32cde8d2bd7d251a8f9b434143977ddf13dcec6 building syzkaller on ea2b66a65b01cd61336424457391310e8dd8b62b ensuring issue is reproducible on original commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ec83b4c3fe9bc9d77ceeefb47607adfa0129b0cdf064c5dfb91967089da944b2 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] check whether we can drop unnecessary instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0f20aa9d66fe13660288809535a18a18422b542f4c3ef985d7e295395889914b all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] the bug reproduces without the instrumentation disabling configs for [HANG LEAK UBSAN BUG KASAN ATOMIC_SLEEP], they are not needed kconfig minimization: base=4037 full=8186 leaves diff=2111 split chunks (needed=false): <2111> split chunk #0 of len 2111 into 5 parts testing without sub-chunk 1/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ccc498ce42bdcb7582d032ae123d999d92d81bfbaa0685edc2fdb13748a53aef all runs: OK false negative chance: 0.000 testing without sub-chunk 2/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 36ed1b3fdc9d90691711838637459cd42c804a0d417f91e05204097936d3de94 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN BUG KASAN ATOMIC_SLEEP HANG], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 783cbfd0f722c2e9998f706690a5543a3c9cffe4103090683892e540d5794c68 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [BUG KASAN ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 207ad999e4516726ebdd04f74befd598cdec7583572a591a1cb1c593825f5b51 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed testing commit e32cde8d2bd7d251a8f9b434143977ddf13dcec6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9a4a689fdde065c2fc1b4329f6b156ad6ed49155b9d60e2ceee48d72d102fd86 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] the chunk can be dropped minimized to 423 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 ADDRESS_MASKING 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_SUPPORTS_HUGE_PFNMAP ARCH_SUPPORTS_PMD_PFNMAP ARCH_SUPPORTS_PUD_PFNMAP ARCH_SUPPORTS_RT 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 CRC4 CRC64 CRC64_ROCKSOFT CRC7 CRC8 CRC_ITU_T CRC_T10DIF CRYPTO_842 CRYPTO_ADIANTUM CRYPTO_AEGIS128 CRYPTO_AEGIS128_AESNI_SSE2 CRYPTO_AES_NI_INTEL CRYPTO_AES_TI CRYPTO_ANSI_CPRNG CRYPTO_ANUBIS CRYPTO_ARC4 CRYPTO_ARCH_HAVE_LIB_BLAKE2S CRYPTO_ARCH_HAVE_LIB_CHACHA CRYPTO_ARCH_HAVE_LIB_CURVE25519 CRYPTO_ARCH_HAVE_LIB_POLY1305 CRYPTO_ARIA CRYPTO_ARIA_AESNI_AVX_X86_64 CRYPTO_BLAKE2B CRYPTO_BLAKE2S_X86 CRYPTO_BLOWFISH CRYPTO_BLOWFISH_COMMON CRYPTO_BLOWFISH_X86_64 CRYPTO_CAMELLIA CRYPTO_CAMELLIA_AESNI_AVX2_X86_64 CRYPTO_CAMELLIA_AESNI_AVX_X86_64 CRYPTO_CAMELLIA_X86_64 CRYPTO_CAST5 CRYPTO_CAST5_AVX_X86_64 CRYPTO_CAST6 CRYPTO_CAST6_AVX_X86_64 CRYPTO_CAST_COMMON CRYPTO_CHACHA20POLY1305 CRYPTO_CHACHA20_X86_64 CRYPTO_CRC32 CRYPTO_CRC32C_INTEL CRYPTO_CRC32_PCLMUL CRYPTO_CRC64_ROCKSOFT CRYPTO_CRCT10DIF CRYPTO_CRCT10DIF_PCLMUL CRYPTO_CRYPTD CRYPTO_CURVE25519 CRYPTO_CURVE25519_X86 CRYPTO_DEFLATE CRYPTO_DES CRYPTO_DES3_EDE_X86_64 CRYPTO_DEV_CCP CRYPTO_DEV_CCP_DD CRYPTO_DEV_PADLOCK CRYPTO_DEV_PADLOCK_AES CRYPTO_DEV_PADLOCK_SHA CRYPTO_DEV_QAT CRYPTO_DEV_QAT_C3XXX CRYPTO_DEV_QAT_C3XXXVF CRYPTO_DEV_QAT_C62X CRYPTO_DEV_QAT_C62XVF CRYPTO_DEV_QAT_DH895xCC CRYPTO_DEV_QAT_DH895xCCVF CRYPTO_DEV_VIRTIO CRYPTO_DH CRYPTO_DRBG_CTR CRYPTO_DRBG_HASH CRYPTO_ECDH CRYPTO_ECRDSA CRYPTO_ENGINE CRYPTO_ESSIV CRYPTO_FCRYPT CRYPTO_GHASH_CLMUL_NI_INTEL CRYPTO_HCTR2 CRYPTO_KDF800108_CTR CRYPTO_KEYWRAP CRYPTO_KHAZAD CRYPTO_KPP CRYPTO_LIB_ARC4 CRYPTO_LIB_CHACHA CRYPTO_LIB_CHACHA20POLY1305 CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_LZ4 CRYPTO_LZ4HC 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_AVX_X86_64 CRYPTO_SM4_AESNI_AVX2_X86_64 CRYPTO_SM4_AESNI_AVX_X86_64 CRYPTO_STREEBOG CRYPTO_TEA CRYPTO_TWOFISH CRYPTO_TWOFISH_AVX_X86_64 CRYPTO_TWOFISH_COMMON CRYPTO_TWOFISH_X86_64 CRYPTO_TWOFISH_X86_64_3WAY CRYPTO_USER CRYPTO_USER_API CRYPTO_USER_API_AEAD CRYPTO_USER_API_ENABLE_OBSOLETE CRYPTO_USER_API_HASH CRYPTO_USER_API_RNG CRYPTO_USER_API_SKCIPHER CRYPTO_VMAC CRYPTO_WP512 CRYPTO_XCTR 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_DEBUG_MM DRM_DISPLAY_DP_AUX_BUS DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HDMI_HELPER DRM_DISPLAY_HELPER DRM_FBDEV_EMULATION DRM_GEM_SHMEM_HELPER DRM_GM12U320 DRM_GUD DRM_I915 DRM_I915_CAPTURE_ERROR DRM_I915_COMPRESS_ERROR DRM_I915_USERPTR DRM_KMS_HELPER DRM_MIPI_DSI DRM_PANEL DRM_PANEL_BRIDGE DRM_PANEL_EDP DRM_PANEL_ORIENTATION_QUIRKS DRM_SIMPLEDRM DRM_TTM 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 WIRELESS_EXT WLAN WLAN_VENDOR_ATH X86_X32_ABI ZONE_DEVICE] disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN BUG KASAN], they are not needed picked [v6.11 v6.10 v6.9 v6.7 v6.5 v6.3 v6.1 v5.19 v5.16 v5.13 v5.10 v5.7 v5.4 v5.1 v4.19] out of 34 release tags testing release v6.11 testing commit 98f7e32f20d28ec452afb208f9cffc08448a2652 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6dff3a72e9a0d30f0dc657f0cf1e533f56b647bbc787f30b8477214ce8a97150 all runs: OK false negative chance: 0.000 # git bisect start e32cde8d2bd7d251a8f9b434143977ddf13dcec6 98f7e32f20d28ec452afb208f9cffc08448a2652 Bisecting: 6367 revisions left to test after this (roughly 13 steps) [176000734ee2978121fde22a954eb1eabb204329] Merge tag 'ata-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux testing commit 176000734ee2978121fde22a954eb1eabb204329 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9512a32cc3362f117fce8f8fc44380a606b6c78e5fc695e93a204e43faccddad all runs: OK false negative chance: 0.000 # git bisect good 176000734ee2978121fde22a954eb1eabb204329 Bisecting: 3188 revisions left to test after this (roughly 12 steps) [721068dec4ec3cc625d8737d4dfa0ff0aa795cd1] Merge tag 'gfs2-v6.10-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2 testing commit 721068dec4ec3cc625d8737d4dfa0ff0aa795cd1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f2d196441436618c95bd6c9c29e98b8cf4f1c709c58883bd008156f399e4752d all runs: OK false negative chance: 0.000 # git bisect good 721068dec4ec3cc625d8737d4dfa0ff0aa795cd1 Bisecting: 1598 revisions left to test after this (roughly 11 steps) [684a64bf32b6e488004e0ad7f0d7e922798f65b6] Merge tag 'nfs-for-6.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs testing commit 684a64bf32b6e488004e0ad7f0d7e922798f65b6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: fe3370283a8a90032fa696cb712dbbcd124ba868888326a4315c7dce1a2a2537 all runs: OK false negative chance: 0.000 # git bisect good 684a64bf32b6e488004e0ad7f0d7e922798f65b6 Bisecting: 683 revisions left to test after this (roughly 10 steps) [5e5466433d266046790c0af40a15af0a6be139a1] Merge tag 'char-misc-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit 5e5466433d266046790c0af40a15af0a6be139a1 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dfabf934466daf83eaf960b193afd368b27056d2a9635a981c29a52256e417c1 all runs: OK false negative chance: 0.000 # git bisect good 5e5466433d266046790c0af40a15af0a6be139a1 Bisecting: 310 revisions left to test after this (roughly 9 steps) [994aeacbb3c039b4f3e02e76e6d39407920e76c6] Merge tag 'drm-next-2024-09-28' of https://gitlab.freedesktop.org/drm/kernel testing commit 994aeacbb3c039b4f3e02e76e6d39407920e76c6 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c73e56fa413b14e1ca36e811041025ef5c47aa495ac05cb3768774eae1127b88 all runs: OK false negative chance: 0.000 # git bisect good 994aeacbb3c039b4f3e02e76e6d39407920e76c6 Bisecting: 152 revisions left to test after this (roughly 7 steps) [3efc57369a0ce8f76bf0804f7e673982384e4ac9] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm testing commit 3efc57369a0ce8f76bf0804f7e673982384e4ac9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f460c0377622c65ee29fd6d74cd2a00d7429d77ea968502079f674f41d25e3b4 all runs: OK false negative chance: 0.000 # git bisect good 3efc57369a0ce8f76bf0804f7e673982384e4ac9 Bisecting: 86 revisions left to test after this (roughly 6 steps) [9f9a53472452b83d44d5e1d77b6dea6eaa043204] Merge tag 'bcachefs-2024-09-28' of git://evilpiepirate.org/bcachefs testing commit 9f9a53472452b83d44d5e1d77b6dea6eaa043204 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 21aec3a98e42216c024c6c7fc7e257818b255234c67ba761a122242bbe8bd3d8 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] # git bisect bad 9f9a53472452b83d44d5e1d77b6dea6eaa043204 Bisecting: 32 revisions left to test after this (roughly 5 steps) [a6508079b1b6b231d16c438c384d718d3508573c] bcachefs: dirent_points_to_inode() now warns on mismatch testing commit a6508079b1b6b231d16c438c384d718d3508573c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: cceb963572261c5e80c8556696a2dec87f4f4d7634cc40cad8d65ea0f984f011 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] # git bisect bad a6508079b1b6b231d16c438c384d718d3508573c Bisecting: 16 revisions left to test after this (roughly 4 steps) [22a507d68eb8dc9d05b7e91e9a7c9b2566d48c81] bcachefs: kill inode_walker_entry.seen_this_pos testing commit 22a507d68eb8dc9d05b7e91e9a7c9b2566d48c81 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 0a5c0d6675edec03cff922cddd805bab03303c67b9fa20bae382499ae449aace all runs: OK false negative chance: 0.000 # git bisect good 22a507d68eb8dc9d05b7e91e9a7c9b2566d48c81 Bisecting: 8 revisions left to test after this (roughly 3 steps) [8d65b15f8d93638cfa9dae20a4274d5059c3b9d2] bcachefs: Fix BCH_SB_ERRS() so we can reorder testing commit 8d65b15f8d93638cfa9dae20a4274d5059c3b9d2 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: bbd1a3cc73eb14648e81d96daf71e8106fc6ec3102342e2cde16f83b75cdfa04 all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] # git bisect bad 8d65b15f8d93638cfa9dae20a4274d5059c3b9d2 Bisecting: 3 revisions left to test after this (roughly 2 steps) [49fd90b2cc332b8607a616d99d4bb792f18208b9] bcachefs: Fix unlocked access to c->disk_sb.sb in bch2_replicas_entry_validate() testing commit 49fd90b2cc332b8607a616d99d4bb792f18208b9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d052f771621647468a9cbd8e1ac90bdd855889b3e505ca4ab322b9882693b91f all runs: crashed: possible deadlock in bch2_replicas_entry_validate representative crash: possible deadlock in bch2_replicas_entry_validate, types: [LOCKDEP] # git bisect bad 49fd90b2cc332b8607a616d99d4bb792f18208b9 Bisecting: 1 revision left to test after this (roughly 1 step) [1e0272ef4774eed8314e8d10a8856c979deeaf35] bcachefs: bch_accounting_mode testing commit 1e0272ef4774eed8314e8d10a8856c979deeaf35 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 913658470eee58632eeb88bf7395899e0e8be2051e1646603578a12d2265fc1d all runs: OK false negative chance: 0.000 # git bisect good 1e0272ef4774eed8314e8d10a8856c979deeaf35 Bisecting: 0 revisions left to test after this (roughly 0 steps) [9104fc1928704ee5708ec7f43ab8dfbdc66e2ce8] bcachefs: Fix accounting read + device removal testing commit 9104fc1928704ee5708ec7f43ab8dfbdc66e2ce8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7ba0d3c2aef06311f243299f02b55d6c4af969180b1f0f73e047f968cf0aecfd all runs: OK false negative chance: 0.000 # git bisect good 9104fc1928704ee5708ec7f43ab8dfbdc66e2ce8 49fd90b2cc332b8607a616d99d4bb792f18208b9 is the first bad commit commit 49fd90b2cc332b8607a616d99d4bb792f18208b9 Author: Kent Overstreet Date: Wed Sep 25 18:17:31 2024 -0400 bcachefs: Fix unlocked access to c->disk_sb.sb in bch2_replicas_entry_validate() Signed-off-by: Kent Overstreet fs/bcachefs/journal_io.c | 2 +- fs/bcachefs/replicas.c | 18 ++++++++++++++---- fs/bcachefs/replicas.h | 2 +- 3 files changed, 16 insertions(+), 6 deletions(-) accumulated error probability: 0.00 culprit signature: d052f771621647468a9cbd8e1ac90bdd855889b3e505ca4ab322b9882693b91f parent signature: 7ba0d3c2aef06311f243299f02b55d6c4af969180b1f0f73e047f968cf0aecfd revisions tested: 21, total time: 8h6m35.077141087s (build: 4h32m39.976480929s, test: 3h21m27.664878012s) first bad commit: 49fd90b2cc332b8607a616d99d4bb792f18208b9 bcachefs: Fix unlocked access to c->disk_sb.sb in bch2_replicas_entry_validate() recipients (to): ["kent.overstreet@linux.dev"] recipients (cc): [] crash: possible deadlock in bch2_replicas_entry_validate WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,compression=zstd,norecovery,recovery_pass_last=check_dirents,nojournal_transaction_names,version_upgrade=none ============================================ WARNING: possible recursive locking detected 6.11.0-rc1-syzkaller #0 Not tainted -------------------------------------------- syz.0.15/3319 is trying to acquire lock: ffff88810df00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_replicas_entry_validate+0x25/0x50 fs/bcachefs/replicas.c:101 but task is already holding lock: ffff88810df00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x21/0x1c0 fs/bcachefs/sb-clean.c:149 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&c->sb_lock); lock(&c->sb_lock); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by syz.0.15/3319: #0: ffff88810df00278 (&c->state_lock){+.+.}-{3:3}, at: bch2_fs_start+0x30/0x270 fs/bcachefs/super.c:1007 #1: ffff88810df00908 (&c->sb_lock){+.+.}-{3:3}, at: bch2_read_superblock_clean+0x21/0x1c0 fs/bcachefs/sb-clean.c:149 stack backtrace: CPU: 1 UID: 0 PID: 3319 Comm: syz.0.15 Not tainted 6.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0xa3/0x100 lib/dump_stack.c:119 check_deadlock kernel/locking/lockdep.c:3061 [inline] validate_chain kernel/locking/lockdep.c:3855 [inline] __lock_acquire+0x10b9/0x2530 kernel/locking/lockdep.c:5142 lock_acquire+0xeb/0x270 kernel/locking/lockdep.c:5759 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x99/0x9a0 kernel/locking/mutex.c:752 bch2_replicas_entry_validate+0x25/0x50 fs/bcachefs/replicas.c:101 journal_entry_data_usage_validate+0x14b/0x270 fs/bcachefs/journal_io.c:608 bch2_sb_clean_validate_late fs/bcachefs/sb-clean.c:40 [inline] bch2_read_superblock_clean+0xbd/0x1c0 fs/bcachefs/sb-clean.c:168 bch2_fs_recovery+0x5e/0x18f0 fs/bcachefs/recovery.c:639 bch2_fs_start+0x1b9/0x270 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0x2b5/0x640 fs/bcachefs/fs.c:2069 vfs_get_tree+0x24/0xb0 fs/super.c:1800 do_new_mount+0x15a/0x3a0 fs/namespace.c:3472 do_mount fs/namespace.c:3812 [inline] __do_sys_mount fs/namespace.c:4020 [inline] __se_sys_mount+0x174/0x1e0 fs/namespace.c:3997 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xa0/0x1b0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fce75d7f79a 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:00007fce76b9fe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fce76b9fef0 RCX: 00007fce75d7f79a RDX: 0000000020005d80 RSI: 0000000020000240 RDI: 00007fce76b9feb0 RBP: 0000000020005d80 R08: 00007fce76b9fef0 R09: 0000000000000044 R10: 0000000000000044 R11: 0000000000000246 R12: 0000000020000240 R13: 00007fce76b9feb0 R14: 0000000000005db5 R15: 00000000200003c0