regcomp: recognize ill-formed { } expressions

[gnulib.git] / lib / regcomp.c

diff --git a/lib/regcomp.c b/lib/regcomp.c
index ae75e1a..629f971 100644 (file)
--- a/lib/regcomp.c
+++ b/lib/regcomp.c
@@ -2519,7 +2519,8 @@ parse_dup_op (bin_tree_t *elem, re_string_t *regexp, re_dfa_t *dfa,
          return elem;
        }
 
-      if (BE (end != REG_MISSING && start > end, 0))
+      if (BE ((end != REG_MISSING && start > end)
+             || token->type != OP_CLOSE_DUP_NUM, 0))
        {
          /* First number greater than second.  */
          *err = REG_BADBR;