1 files changed, 1 insertions, 7 deletions
diff --git a/sql/sql_repl.cc b/sql/sql_repl.cc
index fe47e553cf3..121411379f8 100644
--- a/sql/sql_repl.cc
+++ b/sql/sql_repl.cc
@@ -997,7 +997,7 @@ int show_binlog_events(THD* thd)
   {
     LEX_MASTER_INFO *lex_mi = &thd->lex.mi;
     ha_rows event_count, limit_start, limit_end;
-    my_off_t pos = lex_mi->pos;
+    my_off_t pos = max(BIN_LOG_HEADER_SIZE, lex_mi->pos); // user-friendly
     char search_file_name[FN_REFLEN], *name;
     const char *log_file_name = lex_mi->log_file_name;
     pthread_mutex_t *log_lock = mysql_bin_log.get_log_lock();
@@ -1025,12 +1025,6 @@ int show_binlog_events(THD* thd)
     if ((file=open_binlog(&log, linfo.log_file_name, &errmsg)) < 0)
       goto err;
 
-    if (pos < 4)
-    {
-      errmsg = "Invalid log position";
-      goto err;
-    }
-
     pthread_mutex_lock(log_lock);
     my_b_seek(&log, pos);