autoupdate

diff --git a/lib/regexec.c b/lib/regexec.c
index 91d5a797b82e2679ceab74238416de06693e46ea..084b1222d95b62eb2930166060174ef78cb74b02 100644 (file)
--- a/lib/regexec.c
+++ b/lib/regexec.c
@@ -1293,8 +1293,10 @@ proceed_next_node (const re_match_context_t *mctx, Idx nregs, regmatch_t *regs,
              else if (naccepted)
                {
                  char *buf = (char *) re_string_get_buffer (&mctx->input);
-                 if (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx,
-                             naccepted) != 0)
+                 if (mctx->input.valid_len - *pidx < naccepted
+                     || (memcmp (buf + regs[subexp_idx].rm_so, buf + *pidx,
+                                 naccepted)
+                         != 0))
                    return -1;
                }
            }