xref: /openbmc/qemu/tests/qtest/fuzz-sb16-test.c (revision 8eb806a7)
1 /*
2  * QTest fuzzer-generated testcase for sb16 audio device
3  *
4  * Copyright (c) 2021 Philippe Mathieu-Daudé <f4bug@amsat.org>
5  *
6  * SPDX-License-Identifier: GPL-2.0-or-later
7  */
8 
9 #include "qemu/osdep.h"
10 #include "libqos/libqtest.h"
11 
12 /*
13  * This used to trigger the assert in audio_calloc
14  * https://bugs.launchpad.net/qemu/+bug/1910603
15  */
16 static void test_fuzz_sb16_0x1c(void)
17 {
18     QTestState *s = qtest_init("-M q35 -display none "
19                                "-device sb16,audiodev=snd0 "
20                                "-audiodev none,id=snd0");
21     qtest_outw(s, 0x22c, 0x41);
22     qtest_outb(s, 0x22c, 0x00);
23     qtest_outw(s, 0x22c, 0x1004);
24     qtest_outw(s, 0x22c, 0x001c);
25     qtest_quit(s);
26 }
27 
28 static void test_fuzz_sb16_0x91(void)
29 {
30     QTestState *s = qtest_init("-M pc -display none "
31                                "-device sb16,audiodev=none "
32                                "-audiodev id=none,driver=none");
33     qtest_outw(s, 0x22c, 0xf141);
34     qtest_outb(s, 0x22c, 0x00);
35     qtest_outb(s, 0x22c, 0x24);
36     qtest_outb(s, 0x22c, 0x91);
37     qtest_quit(s);
38 }
39 
40 /*
41  * This used to trigger the assert in audio_calloc
42  * through command 0xd4
43  */
44 static void test_fuzz_sb16_0xd4(void)
45 {
46     QTestState *s = qtest_init("-M pc -display none "
47                                "-device sb16,audiodev=none "
48                                "-audiodev id=none,driver=none");
49     qtest_outb(s, 0x22c, 0x41);
50     qtest_outb(s, 0x22c, 0x00);
51     qtest_outb(s, 0x22c, 0x14);
52     qtest_outb(s, 0x22c, 0xd4);
53     qtest_quit(s);
54 }
55 
56 int main(int argc, char **argv)
57 {
58     g_test_init(&argc, &argv, NULL);
59 
60     qtest_add_func("fuzz/test_fuzz_sb16/1c", test_fuzz_sb16_0x1c);
61     qtest_add_func("fuzz/test_fuzz_sb16/91", test_fuzz_sb16_0x91);
62     qtest_add_func("fuzz/test_fuzz_sb16/d4", test_fuzz_sb16_0xd4);
63 
64     return g_test_run();
65 }
66