From a445af0bc722d620afed7683cd320c0e4c7c6059 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 29 Jan 2013 14:45:15 +0100 Subject: Fix buffer overrun in regexp matcher --- posix/bug-regex34.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 posix/bug-regex34.c (limited to 'posix/bug-regex34.c') diff --git a/posix/bug-regex34.c b/posix/bug-regex34.c new file mode 100644 index 0000000000..bb3b6138f8 --- /dev/null +++ b/posix/bug-regex34.c @@ -0,0 +1,46 @@ +/* Test re_search with multi-byte characters in UTF-8. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#define _GNU_SOURCE 1 +#include +#include +#include +#include + +static int +do_test (void) +{ + struct re_pattern_buffer r; + /* ကျွန်ုပ်x */ + const char *s = "\xe1\x80\x80\xe1\x80\xbb\xe1\x80\xbd\xe1\x80\x94\xe1\x80\xba\xe1\x80\xaf\xe1\x80\x95\xe1\x80\xbax"; + + if (setlocale (LC_ALL, "en_US.UTF-8") == NULL) + { + puts ("setlocale failed"); + return 1; + } + memset (&r, 0, sizeof (r)); + + re_compile_pattern ("[^x]x", 5, &r); + /* This was triggering a buffer overflow. */ + re_search (&r, s, strlen (s), 0, strlen (s), 0); + return 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" -- cgit 1.4.1