tests/qtest/fuzz-sb16-test.c

   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 "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 "
  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 "
  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 "
  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     if (qtest_has_machine("q35")) {
  61         qtest_add_func("fuzz/test_fuzz_sb16/1c", test_fuzz_sb16_0x1c);
  62     }
  63     if (qtest_has_machine("pc")) {
  64         qtest_add_func("fuzz/test_fuzz_sb16/91", test_fuzz_sb16_0x91);
  65         qtest_add_func("fuzz/test_fuzz_sb16/d4", test_fuzz_sb16_0xd4);
  66     }
  67
  68     return g_test_run();
  69 }