diff options
| -rw-r--r-- | plugin/semisync/semisync_master.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/plugin/semisync/semisync_master.cc b/plugin/semisync/semisync_master.cc index 40a0833b23f..2701c575b7a 100644 --- a/plugin/semisync/semisync_master.cc +++ b/plugin/semisync/semisync_master.cc @@ -1128,12 +1128,13 @@ int ReplSemiSyncMaster::readSlaveReply(NET *net, uint32 server_id, log_file_pos = uint8korr(packet + REPLY_BINLOG_POS_OFFSET); log_file_len = packet_len - REPLY_BINLOG_NAME_OFFSET; - if (log_file_len > FN_REFLEN) + if (log_file_len >= FN_REFLEN) { sql_print_error("Read semi-sync reply binlog file length too large"); goto l_end; } strncpy(log_file_name, (const char*)packet + REPLY_BINLOG_NAME_OFFSET, log_file_len); + log_file_name[log_file_len] = 0; if (trc_level & kTraceDetail) sql_print_information("%s: Got reply (%s, %lu)", |