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Post fix for bug#52748

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This commit is contained in:
He Zhenxing 2010-06-02 18:57:52 +08:00
parent 9547a63ded
commit e0042460e7
1 changed files with 2 additions and 1 deletions
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3
plugin/semisync/semisync_master.cc
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@ -1126,12 +1126,13 @@ 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)",