qemu

FORK: QEMU emulator
git clone https://git.neptards.moe/neptards/qemu.git
Log | Files | Refs | Submodules | LICENSE

fuzz-sdcard-test.c (6200B)


      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 "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(" -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(" -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 /*
     91  * https://gitlab.com/qemu-project/qemu/-/issues/451
     92  * Used to trigger a heap buffer overflow.
     93  */
     94 static void oss_fuzz_36391(void)
     95 {
     96     QTestState *s;
     97 
     98     s = qtest_init(" -m 512M -nodefaults -nographic"
     99                    " -device sdhci-pci,sd-spec-version=3"
    100                    " -device sd-card,drive=drv"
    101                    " -drive if=none,index=0,file=null-co://,format=raw,id=drv");
    102     qtest_outl(s, 0xcf8, 0x80001010);
    103     qtest_outl(s, 0xcfc, 0xe0000000);
    104     qtest_outl(s, 0xcf8, 0x80001004);
    105     qtest_outw(s, 0xcfc, 0x7);
    106     qtest_bufwrite(s, 0xe0000005, "\x73", 0x1);
    107     qtest_bufwrite(s, 0xe0000028, "\x55", 0x1);
    108     qtest_bufwrite(s, 0xe000002c, "\x55", 0x1);
    109     qtest_bufwrite(s, 0x0, "\x65", 0x1);
    110     qtest_bufwrite(s, 0x7, "\x69", 0x1);
    111     qtest_bufwrite(s, 0x8, "\x65", 0x1);
    112     qtest_bufwrite(s, 0xf, "\x69", 0x1);
    113     qtest_bufwrite(s, 0x10, "\x65", 0x1);
    114     qtest_bufwrite(s, 0x17, "\x69", 0x1);
    115     qtest_bufwrite(s, 0x18, "\x65", 0x1);
    116     qtest_bufwrite(s, 0x1f, "\x69", 0x1);
    117     qtest_bufwrite(s, 0x20, "\x65", 0x1);
    118     qtest_bufwrite(s, 0x27, "\x69", 0x1);
    119     qtest_bufwrite(s, 0x28, "\x65", 0x1);
    120     qtest_bufwrite(s, 0x2f, "\x69", 0x1);
    121     qtest_bufwrite(s, 0x30, "\x65", 0x1);
    122     qtest_bufwrite(s, 0x37, "\x69", 0x1);
    123     qtest_bufwrite(s, 0x38, "\x65", 0x1);
    124     qtest_bufwrite(s, 0x3f, "\x69", 0x1);
    125     qtest_bufwrite(s, 0x40, "\x65", 0x1);
    126     qtest_bufwrite(s, 0x47, "\x69", 0x1);
    127     qtest_bufwrite(s, 0x48, "\x65", 0x1);
    128     qtest_bufwrite(s, 0xe000000c, "\x55", 0x1);
    129     qtest_bufwrite(s, 0xe000000e, "\x2c", 0x1);
    130     qtest_bufwrite(s, 0xe000000f, "\x5b", 0x1);
    131     qtest_bufwrite(s, 0xe0000010, "\x06\x46", 0x2);
    132     qtest_bufwrite(s, 0x50, "\x65", 0x1);
    133     qtest_bufwrite(s, 0x57, "\x69", 0x1);
    134     qtest_bufwrite(s, 0x58, "\x65", 0x1);
    135     qtest_bufwrite(s, 0x5f, "\x69", 0x1);
    136     qtest_bufwrite(s, 0x60, "\x65", 0x1);
    137     qtest_bufwrite(s, 0x67, "\x69", 0x1);
    138     qtest_bufwrite(s, 0x68, "\x65", 0x1);
    139     qtest_bufwrite(s, 0x6f, "\x69", 0x1);
    140     qtest_bufwrite(s, 0x70, "\x65", 0x1);
    141     qtest_bufwrite(s, 0x77, "\x69", 0x1);
    142     qtest_bufwrite(s, 0x78, "\x65", 0x1);
    143     qtest_bufwrite(s, 0x7f, "\x69", 0x1);
    144     qtest_bufwrite(s, 0x80, "\x65", 0x1);
    145     qtest_bufwrite(s, 0x87, "\x69", 0x1);
    146     qtest_bufwrite(s, 0x88, "\x65", 0x1);
    147     qtest_bufwrite(s, 0x8f, "\x69", 0x1);
    148     qtest_bufwrite(s, 0x90, "\x65", 0x1);
    149     qtest_bufwrite(s, 0x97, "\x69", 0x1);
    150     qtest_bufwrite(s, 0x98, "\x65", 0x1);
    151     qtest_bufwrite(s, 0xe0000026, "\x5a\x06", 0x2);
    152     qtest_bufwrite(s, 0xe0000028, "\x46\xc0\xc9\xc9", 0x4);
    153     qtest_bufwrite(s, 0xe0000028, "\x55", 0x1);
    154     qtest_bufwrite(s, 0xe000002a, "\x5a", 0x1);
    155     qtest_bufwrite(s, 0xa0, "\x65", 0x1);
    156     qtest_bufwrite(s, 0xa5, "\xff", 0x1);
    157     qtest_bufwrite(s, 0xa6, "\xff", 0x1);
    158     qtest_bufwrite(s, 0xa7, "\xdf", 0x1);
    159     qtest_bufwrite(s, 0xe000000c, "\x27", 0x1);
    160     qtest_bufwrite(s, 0xe000000f, "\x55", 0x1);
    161 
    162     qtest_quit(s);
    163 }
    164 
    165 int main(int argc, char **argv)
    166 {
    167     g_test_init(&argc, &argv, NULL);
    168 
    169     qtest_add_func("fuzz/sdcard/oss_fuzz_29225", oss_fuzz_29225);
    170     qtest_add_func("fuzz/sdcard/oss_fuzz_36217", oss_fuzz_36217);
    171     qtest_add_func("fuzz/sdcard/oss_fuzz_36391", oss_fuzz_36391);
    172 
    173     return g_test_run();
    174 }