LXR qemu/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 */
  17static 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 */
  60static 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
  90int 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}
 103