tests/qtest/fuzz-sdcard-test.c

   1 /*
   2  * QTest fuzzer-generated testcase for sdcard 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  * https://gitlab.com/qemu-project/qemu/-/issues/450
  14  * Used to trigger:
  15  *  Assertion `wpnum < sd->wpgrps_size' failed.
  16  */
  17 static void oss_fuzz_29225(void)
  18 {
  19     QTestState *s;
  20
  21     s = qtest_init(" -display none -m 512m -nodefaults -nographic"
  22                    " -device sdhci-pci,sd-spec-version=3"
  23                    " -device sd-card,drive=d0"
  24                    " -drive if=none,index=0,file=null-co://,format=raw,id=d0");
  25
  26     qtest_outl(s, 0xcf8, 0x80001010);
  27     qtest_outl(s, 0xcfc, 0xd0690);
  28     qtest_outl(s, 0xcf8, 0x80001003);
  29     qtest_outl(s, 0xcf8, 0x80001013);
  30     qtest_outl(s, 0xcfc, 0xffffffff);
  31     qtest_outl(s, 0xcf8, 0x80001003);
  32     qtest_outl(s, 0xcfc, 0x3effe00);
  33
  34     qtest_bufwrite(s, 0xff0d062c, "\xff", 0x1);
  35     qtest_bufwrite(s, 0xff0d060f, "\xb7", 0x1);
  36     qtest_bufwrite(s, 0xff0d060a, "\xc9", 0x1);
  37     qtest_bufwrite(s, 0xff0d060f, "\x29", 0x1);
  38     qtest_bufwrite(s, 0xff0d060f, "\xc2", 0x1);
  39     qtest_bufwrite(s, 0xff0d0628, "\xf7", 0x1);
  40     qtest_bufwrite(s, 0x0, "\xe3", 0x1);
  41     qtest_bufwrite(s, 0x7, "\x13", 0x1);
  42     qtest_bufwrite(s, 0x8, "\xe3", 0x1);
  43     qtest_bufwrite(s, 0xf, "\xe3", 0x1);
  44     qtest_bufwrite(s, 0xff0d060f, "\x03", 0x1);
  45     qtest_bufwrite(s, 0xff0d0605, "\x01", 0x1);
  46     qtest_bufwrite(s, 0xff0d060b, "\xff", 0x1);
  47     qtest_bufwrite(s, 0xff0d060c, "\xff", 0x1);
  48     qtest_bufwrite(s, 0xff0d060e, "\xff", 0x1);
  49     qtest_bufwrite(s, 0xff0d060f, "\x06", 0x1);
  50     qtest_bufwrite(s, 0xff0d060f, "\x9e", 0x1);
  51
  52     qtest_quit(s);
  53 }
  54
  55 /*
  56  * https://gitlab.com/qemu-project/qemu/-/issues/495
  57  * Used to trigger:
  58  *  Assertion `wpnum < sd->wpgrps_size' failed.
  59  */
  60 static void oss_fuzz_36217(void)
  61 {
  62     QTestState *s;
  63
  64     s = qtest_init(" -display none -m 32 -nodefaults -nographic"
  65                    " -device sdhci-pci,sd-spec-version=3 "
  66                    "-device sd-card,drive=d0 "
  67                    "-drive if=none,index=0,file=null-co://,format=raw,id=d0");
  68
  69     qtest_outl(s, 0xcf8, 0x80001010);
  70     qtest_outl(s, 0xcfc, 0xe0000000);
  71     qtest_outl(s, 0xcf8, 0x80001004);
  72     qtest_outw(s, 0xcfc, 0x02);
  73     qtest_bufwrite(s, 0xe000002c, "\x05", 0x1);
  74     qtest_bufwrite(s, 0xe000000f, "\x37", 0x1);
  75     qtest_bufwrite(s, 0xe000000a, "\x01", 0x1);
  76     qtest_bufwrite(s, 0xe000000f, "\x29", 0x1);
  77     qtest_bufwrite(s, 0xe000000f, "\x02", 0x1);
  78     qtest_bufwrite(s, 0xe000000f, "\x03", 0x1);
  79     qtest_bufwrite(s, 0xe0000005, "\x01", 0x1);
  80     qtest_bufwrite(s, 0xe000000f, "\x06", 0x1);
  81     qtest_bufwrite(s, 0xe000000c, "\x05", 0x1);
  82     qtest_bufwrite(s, 0xe000000e, "\x20", 0x1);
  83     qtest_bufwrite(s, 0xe000000f, "\x08", 0x1);
  84     qtest_bufwrite(s, 0xe000000b, "\x3d", 0x1);
  85     qtest_bufwrite(s, 0xe000000f, "\x1e", 0x1);
  86
  87     qtest_quit(s);
  88 }
  89
  90 int main(int argc, char **argv)
  91 {
  92     const char *arch = qtest_get_arch();
  93
  94     g_test_init(&argc, &argv, NULL);
  95
  96    if (strcmp(arch, "i386") == 0) {
  97         qtest_add_func("fuzz/sdcard/oss_fuzz_29225", oss_fuzz_29225);
  98         qtest_add_func("fuzz/sdcard/oss_fuzz_36217", oss_fuzz_36217);
  99    }
 100
 101    return g_test_run();
 102 }