1 /*-
2 * Copyright (c) 2020 Ben Wagner
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25 #include "test.h"
26
27 /*
28 * The pax size attribute can be used to override the size.
29 * It should be validated the same way the normal size is validated.
30 * The test data is fuzzer output from
31 * https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=48467 .
32 */
DEFINE_TEST(test_read_format_tar_invalid_pax_size)33 DEFINE_TEST(test_read_format_tar_invalid_pax_size)
34 {
35 /*
36 * An archive that contains a PAX 'size' record with a large negative value.
37 */
38 struct archive_entry *ae;
39 struct archive *a;
40 const char *refname = "test_read_format_tar_invalid_pax_size.tar";
41
42 extract_reference_file(refname);
43 assert((a = archive_read_new()) != NULL);
44 assertEqualInt(ARCHIVE_OK, archive_read_support_filter_all(a));
45 assertEqualInt(ARCHIVE_OK, archive_read_support_format_all(a));
46 assertEqualIntA(a, ARCHIVE_OK, archive_read_open_filename(a, refname, 10240));
47 /* This assert will pass a normal debug build without the pax size check. */
48 /* Run this test with `-fsanitize=undefined` to verify. */
49 assertEqualIntA(a, ARCHIVE_FATAL, archive_read_next_header(a, &ae));
50 assertEqualIntA(a, ARCHIVE_OK, archive_read_close(a));
51 assertEqualInt(ARCHIVE_OK, archive_read_free(a));
52 }
53