fix #58 : access to invalid address by reg->dmin value

kkos · May 23, 2017 · 9690d3a · 9690d3a
1 parent 690313a
commit 9690d3a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/regexec.c b/src/regexec.c
@@ -3154,6 +3154,8 @@ forward_search_range(regex_t* reg, const UChar* str, const UChar* end, UChar* s,
     }
     else {
       UChar *q = p + reg->dmin;
+
+      if (q >= end) return 0; /* fail */
       while (p < q) p += enclen(reg->enc, p);
     }
   }