ci2 starts bisection 2023-11-20 22:35:40.958817426 +0000 UTC m=+620408.066848249 bisecting fixing commit since 7d24402875c75ca6e43aa27ae3ce2042bde259a4 building syzkaller on 361b23dca53619ee1dfd92dd6a74a7f3e58f270c ensuring issue is reproducible on original commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c502dde5e4492ee2d02c124b45f4d9c71c68855d61f061aeb18ac3ea1586e86b all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dc6b8b6aab0606a5fd4107beab89d42e880272a671328879eb90ec667c030d45 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the bug reproduces without the instrumentation disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed kconfig minimization: base=3820 full=7526 leaves diff=1996 split chunks (needed=false): <1996> split chunk #0 of len 1996 into 5 parts testing without sub-chunk 1/5 disabling configs for [LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN KASAN], they are not needed testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b25d2b5f722ea3120d62115e1e1120a600842b456efb006f9db6db2a7d042ae9 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 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: abadf41ffa723617c3574ae2111f0403db20b3eff6d96ad57e6409450151d9c5 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6531f045f50e583231d83a6aeb15bdaf54f86023bc22fc1864251a9c6295487c all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e05b26beb810d63c68cde4c753c9047f61236da0f580580e0f5a25b871ee6385 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 7d24402875c75ca6e43aa27ae3ce2042bde259a4 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ca3e3072549dfbd9b1c4bd381c1b4db3d3bf79aa9c3c3912d780ef2acf8fba22 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] the chunk can be dropped minimized to 400 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_PLATFORM_PROFILE ADFS_FS AFFS_FS AFS_FS AFS_FSCACHE AF_KCM AF_RXRPC AF_RXRPC_IPV6 AIX_PARTITION AMIGA_PARTITION ANDROID_BINDERFS ANDROID_BINDER_IPC ANON_VMA_NAME APERTURE_HELPERS AR5523 ARCH_ENABLE_MEMORY_HOTREMOVE ARCH_ENABLE_THP_MIGRATION ARCH_HAS_CPU_FINALIZE_INIT ASM_MODVERSIONS 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_PCI ATH10K_USB ATH11K ATH6KL ATH6KL_USB ATH9K ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_CHANNEL_CONTEXT ATH9K_COMMON ATH9K_COMMON_DEBUG 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 BCMA BCMA_HOST_PCI_POSSIBLE BEFS_FS BFQ_CGROUP_DEBUG BFQ_GROUP_IOSCHED BFS_FS BIG_KEYS BLK_CGROUP_RWSTAT BLK_DEBUG_FS_ZONED BLK_DEV_BSGLIB BLK_DEV_INTEGRITY BLK_DEV_INTEGRITY_T10 BLK_DEV_NBD BLK_DEV_NULL_BLK BLK_DEV_NULL_BLK_FAULT_INJECTION BLK_DEV_NVME BLK_DEV_PMEM BLK_DEV_RAM BLK_DEV_RNBD BLK_DEV_RNBD_CLIENT BLK_DEV_THROTTLING BLK_DEV_ZONED BLK_ICQ BLK_INLINE_ENCRYPTION BLK_INLINE_ENCRYPTION_FALLBACK BLK_MQ_RDMA 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_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_CMTP BT_HCIBCM203X BT_HCIBFUSB BT_HCIBPA10X BT_HCIBTUSB BT_HCIBTUSB_BCM BT_HCIBTUSB_MTK 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_HIDP BT_HS BT_INTEL BT_LE BT_LEDS BT_MSFTEXT BT_MTK 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_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_SLCAN CAN_VCAN CAN_VXCAN CAPI_TRACE 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_BQ24190 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 CLS_U32_MARK CLS_U32_PERF CMA CMA_SIZE_SEL_MBYTES 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_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_CFB CRYPTO_CHACHA20 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_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_ECB CRYPTO_ECC 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_CHACHA_GENERIC CRYPTO_LIB_CURVE25519 CRYPTO_LIB_CURVE25519_GENERIC CRYPTO_LIB_DES CRYPTO_LIB_POLY1305 CRYPTO_LIB_POLY1305_GENERIC CRYPTO_LRW CRYPTO_MICHAEL_MIC CRYPTO_NHPOLY1305 CRYPTO_NHPOLY1305_AVX2 CRYPTO_NHPOLY1305_SSE2 CRYPTO_OFB 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_SHA3 CRYPTO_SHA512_SSSE3 CRYPTO_SIMD CRYPTO_SM2 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_VMAC CRYPTO_WP512 CRYPTO_XCBC CRYPTO_XCTR CRYPTO_XTS CRYPTO_XXHASH CUSE CYPRESS_FIRMWARE DAMON DAMON_DBGFS DAMON_PADDR DAMON_RECLAIM DAMON_VADDR DAX DCA DCB DEFAULT_PFIFO_FAST DEVICE_MIGRATION DEVICE_PRIVATE DEV_COREDUMP DEV_DAX DIMLIB 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_BOCHS DRM_BUDDY DRM_CIRRUS_QEMU DRM_DEBUG_MM DRM_DISPLAY_DP_HELPER DRM_DISPLAY_HDCP_HELPER DRM_DISPLAY_HELPER ENCRYPTED_KEYS EXTCON FSCACHE FUSE_FS GPIOLIB HAMRADIO HID_DRAGONRISE IIO INFINIBAND INFINIBAND_ADDR_TRANS INFINIBAND_RTRS_CLIENT IOSCHED_BFQ ISDN ISDN_CAPI LIBNVDIMM MAC80211 MAC80211_LEDS MEDIA_SUPPORT MEMORY_HOTPLUG MEMORY_HOTREMOVE MFD_DLN2 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 [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed determining the merge base between 7d24402875c75ca6e43aa27ae3ce2042bde259a4 and 98b1cc82c4affc16f5598d4fa14b1858671b2263 830b3c68c1fb1e9176028d02ef86f3cf76aa2476/Linux 6.1 is a merge base, check if it has the bug testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 66ff0bdf2846ebf69fa11b121f6042c99cd787c1088fb22dac59158fc5f62b20 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] testing current HEAD 98b1cc82c4affc16f5598d4fa14b1858671b2263 testing commit 98b1cc82c4affc16f5598d4fa14b1858671b2263 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef2afcb826fd23654a8151a62fbbf35c750206d45e09e3af1ba5349135cb7995 all runs: OK false negative chance: 0.000 # git bisect start 98b1cc82c4affc16f5598d4fa14b1858671b2263 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 Bisecting: 47475 revisions left to test after this (roughly 16 steps) [d6f1e0bfe532b2ec725d9f768ca305af7aa1029a] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit d6f1e0bfe532b2ec725d9f768ca305af7aa1029a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c9f7437f5f091f712b72e68fcfb513e0be8554daecc9a41eb0c32ec4b2cde8a9 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good d6f1e0bfe532b2ec725d9f768ca305af7aa1029a Bisecting: 23675 revisions left to test after this (roughly 15 steps) [0e72db77672ff4758a31fb5259c754a7bb229751] Merge tag 'soc-dt-6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 0e72db77672ff4758a31fb5259c754a7bb229751 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: a7b0b5a5532bdfe715c88b4ffd7f5a639ac2a23db88dd580faa6ee082f611c83 all runs: OK false negative chance: 0.000 # git bisect bad 0e72db77672ff4758a31fb5259c754a7bb229751 Bisecting: 11864 revisions left to test after this (roughly 14 steps) [56cbceab928d7ac3702de172ff8dcc1da2a6aaeb] Merge tag 'usb-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 56cbceab928d7ac3702de172ff8dcc1da2a6aaeb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10d4d81af634ae28529376ee243917d738734124e9e1a1f166fe90b6883cd992 all runs: OK false negative chance: 0.000 # git bisect bad 56cbceab928d7ac3702de172ff8dcc1da2a6aaeb Bisecting: 5746 revisions left to test after this (roughly 13 steps) [f8824e151fbfa0ac0a258015d606ea6f4a10251b] Merge tag 'sound-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit f8824e151fbfa0ac0a258015d606ea6f4a10251b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 3af3f0b15d4356529e3300d866e84e3e663a4b73abfb890d047b805c3bbdf484 all runs: OK false negative chance: 0.000 # git bisect bad f8824e151fbfa0ac0a258015d606ea6f4a10251b Bisecting: 3076 revisions left to test after this (roughly 12 steps) [582c161cf38cf016cd573af6f087fa5fa786949b] Merge tag 'hardening-v6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 582c161cf38cf016cd573af6f087fa5fa786949b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ee1e56243e40ca392b06e9fa23cb3ce8b8fe88330e793078e61ac74d788552da all runs: OK false negative chance: 0.000 # git bisect bad 582c161cf38cf016cd573af6f087fa5fa786949b Bisecting: 1593 revisions left to test after this (roughly 11 steps) [e940efa936be65866db9ce20798b13fdc6b3891a] Merge tag 'zonefs-6.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit e940efa936be65866db9ce20798b13fdc6b3891a gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7b19bdcb9e1a2dfa4a66a1285a72a74eb99b6f383a5de3b774b0a91ca9e5bf8c all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good e940efa936be65866db9ce20798b13fdc6b3891a Bisecting: 787 revisions left to test after this (roughly 10 steps) [2b603cd5b78fe79af0498824fbd9281b1fba6a75] Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm determine whether the revision contains the guilty commit revision e940efa936be65866db9ce20798b13fdc6b3891a crashed and is reachable testing commit 2b603cd5b78fe79af0498824fbd9281b1fba6a75 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 86f93205905c9bfaffd4b38db8146d8d5262bf50da46ed78eaf491726a08188b all runs: OK false negative chance: 0.000 # git bisect bad 2b603cd5b78fe79af0498824fbd9281b1fba6a75 Bisecting: 505 revisions left to test after this (roughly 9 steps) [fcaa174a9c995cf0af3967e55644a1543ea07e36] scsi/sg: don't grab scsi host module reference determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit fcaa174a9c995cf0af3967e55644a1543ea07e36 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f839f384144fa4690313063632888c32710082d6d8e45e9d8e1b199c3f0d85a9 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good fcaa174a9c995cf0af3967e55644a1543ea07e36 Bisecting: 266 revisions left to test after this (roughly 8 steps) [cef2dd76531fda106fa698b6b7ee3e87b1622c08] Merge tag 'core-debugobjects-2023-06-26' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tip/tip determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit cef2dd76531fda106fa698b6b7ee3e87b1622c08 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 89d2cc4c404278a7794ad8e046d16bcc0aadb21c20b1c17e2f57e223d75b8b60 all runs: OK false negative chance: 0.000 # git bisect bad cef2dd76531fda106fa698b6b7ee3e87b1622c08 Bisecting: 119 revisions left to test after this (roughly 7 steps) [f000bc6fe43ce66c55fa1691000115b14ba95b33] btrfs: pass the new logical address to split_extent_map determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit f000bc6fe43ce66c55fa1691000115b14ba95b33 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 209e6d08e232e54fa4181bfcd4c8c2a19a652222a86c777d409d814c4dde1622 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good f000bc6fe43ce66c55fa1691000115b14ba95b33 Bisecting: 59 revisions left to test after this (roughly 6 steps) [751a27615ddaaf95519565d83bac65b8aafab9e8] btrfs: do not BUG_ON() on tree mod log failures at btrfs_del_ptr() determine whether the revision contains the guilty commit revision f000bc6fe43ce66c55fa1691000115b14ba95b33 crashed and is reachable testing commit 751a27615ddaaf95519565d83bac65b8aafab9e8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: e0442d882fd67664764973b10073c0188a109c80c0c7e308bb634e4202989815 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 751a27615ddaaf95519565d83bac65b8aafab9e8 Bisecting: 29 revisions left to test after this (roughly 5 steps) [6ec9afc7f4cba58ab740c59d4c964d9422e2ea82] io_uring: remove io_free_req_tw determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 6ec9afc7f4cba58ab740c59d4c964d9422e2ea82 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 1adb21de186e524c0fde2a82471cfff22764d01e2c62a04e2337383f29825fc0 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 6ec9afc7f4cba58ab740c59d4c964d9422e2ea82 Bisecting: 14 revisions left to test after this (roughly 4 steps) [8a4a0b2a3eaf75ca8854f856ef29690c12b2f531] btrfs: fix race between quota disable and relocation determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 8a4a0b2a3eaf75ca8854f856ef29690c12b2f531 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 60e6c69c985aab7672bb91707a7c8dfdb67394d0d7df2c9ec73f2092fbfcad3b all runs: OK false negative chance: 0.000 # git bisect bad 8a4a0b2a3eaf75ca8854f856ef29690c12b2f531 Bisecting: 7 revisions left to test after this (roughly 3 steps) [81db6ae842b3c07edd67278e3693f53a28d694cf] btrfs: scrub: remove btrfs_fs_info::scrub_wr_completion_workers determine whether the revision contains the guilty commit revision 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 crashed and is reachable testing commit 81db6ae842b3c07edd67278e3693f53a28d694cf gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 14735b12e85b4ffd1e8143b79a1de2912dff97aa76e6364aa84dc7d8f6164f29 all runs: OK false negative chance: 0.000 # git bisect bad 81db6ae842b3c07edd67278e3693f53a28d694cf Bisecting: 3 revisions left to test after this (roughly 2 steps) [6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b] btrfs: send: do not BUG_ON() on unexpected symlink data extent determine whether the revision contains the guilty commit revision 751a27615ddaaf95519565d83bac65b8aafab9e8 crashed and is reachable testing commit 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b122cbb8a53f0ab21661b67465cf3e747a652918c48ceac31f3eab7523e6a7d9 all runs: crashed: kernel BUG in create_pending_snapshot representative crash: kernel BUG in create_pending_snapshot, types: [BUG] # git bisect good 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b Bisecting: 1 revision left to test after this (roughly 1 step) [6822b3f708608d74820cd69e76de16d42899a230] btrfs: do not BUG_ON after failure to migrate space during truncation determine whether the revision contains the guilty commit revision 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b crashed and is reachable testing commit 6822b3f708608d74820cd69e76de16d42899a230 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 67f2fbd84bc1a43e0767fd64aa3880fbca27c7d5bab44ea4bba78d9f5454f90d all runs: OK false negative chance: 0.000 # git bisect bad 6822b3f708608d74820cd69e76de16d42899a230 Bisecting: 0 revisions left to test after this (roughly 0 steps) [df9f278239046719c91aeb59ec0afb1a99ee8b2b] btrfs: do not BUG_ON on failure to get dir index for new snapshot determine whether the revision contains the guilty commit revision 6f3eb72a1f26ee84ed9de99ffa9edb1a3748c33b crashed and is reachable testing commit df9f278239046719c91aeb59ec0afb1a99ee8b2b gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d68a93c2a0c2356bbaa600c2fbeb346f53235597fedb6e5e8685f83e7e602235 all runs: OK false negative chance: 0.000 # git bisect bad df9f278239046719c91aeb59ec0afb1a99ee8b2b df9f278239046719c91aeb59ec0afb1a99ee8b2b is the first bad commit commit df9f278239046719c91aeb59ec0afb1a99ee8b2b Author: Filipe Manana Date: Tue Jun 13 16:42:16 2023 +0100 btrfs: do not BUG_ON on failure to get dir index for new snapshot During the transaction commit path, at create_pending_snapshot(), there is no need to BUG_ON() in case we fail to get a dir index for the snapshot in the parent directory. This should fail very rarely because the parent inode should be loaded in memory already, with the respective delayed inode created and the parent inode's index_cnt field already initialized. However if it fails, it may be -ENOMEM like the comment at create_pending_snapshot() says or any error returned by btrfs_search_slot() through btrfs_set_inode_index_count(), which can be pretty much anything such as -EIO or -EUCLEAN for example. So the comment is not correct when it says it can only be -ENOMEM. However doing a BUG_ON() here is overkill, since we can instead abort the transaction and return the error. Note that any error returned by create_pending_snapshot() will eventually result in a transaction abort at cleanup_transaction(), called from btrfs_commit_transaction(), but we can explicitly abort the transaction at this point instead so that we get a stack trace to tell us that the call to btrfs_set_inode_index() failed. So just abort the transaction and return in case btrfs_set_inode_index() returned an error at create_pending_snapshot(). Reviewed-by: Johannes Thumshirn Signed-off-by: Filipe Manana Reviewed-by: David Sterba Signed-off-by: David Sterba fs/btrfs/transaction.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) accumulated error probability: 0.00 culprit signature: d68a93c2a0c2356bbaa600c2fbeb346f53235597fedb6e5e8685f83e7e602235 parent signature: b122cbb8a53f0ab21661b67465cf3e747a652918c48ceac31f3eab7523e6a7d9 revisions tested: 26, total time: 5h38m53.679298262s (build: 1h56m27.108164546s, test: 2h59m27.069970188s) first good commit: df9f278239046719c91aeb59ec0afb1a99ee8b2b btrfs: do not BUG_ON on failure to get dir index for new snapshot recipients (to): ["dsterba@suse.com" "fdmanana@suse.com" "johannes.thumshirn@wdc.com"] recipients (cc): []