* regexec.c (group_nodes_into_DFAstates): Fix a buffer overrun

reported by Andreas Schwab.

diff --git a/lib/ChangeLog b/lib/ChangeLog
index b0a50952ec3e146ceaf4318e736257e89b1a549b..42c19cbe32b1881a3272f7c1432e02d296d14e5c 100644 (file)
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,3 +1,8 @@
+2006-06-04  Paul Eggert  <eggert@cs.ucla.edu>
+
+       * regexec.c (group_nodes_into_DFAstates): Fix a buffer overrun
+       reported by Andreas Schwab.
+
 2006-05-25  Paul Eggert  <eggert@cs.ucla.edu>
 
        * tempname.c (small_open, large_open): New macros.

diff --git a/lib/regexec.c b/lib/regexec.c
index 6307d0501aba84a40a0fc1409b43e8b05e699249..84c3aed634997347fd6c121ae9d2918832f2cb9a 100644 (file)
--- a/lib/regexec.c
+++ b/lib/regexec.c
@@ -1,5 +1,5 @@
 /* Extended regular expression matching and search library.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Isamu Hasegawa <isamu@yamato.ibm.com>.
 
@@ -3615,7 +3615,7 @@ group_nodes_into_DFAstates (const re_dfa_t *dfa, const re_dfastate_t *state,
       else if (type == OP_UTF8_PERIOD)
         {
          if (ASCII_CHARS % BITSET_WORD_BITS == 0)
-           memset (accepts, -1, ASCII_CHARS);
+           memset (accepts, -1, ASCII_CHARS / CHAR_BIT);
          else
            bitset_merge (accepts, utf8_sb_map);
          if (!(dfa->syntax & RE_DOT_NEWLINE))