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engine: first attempts on fuzzing the engine

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This commit is contained in:
Alibek Omarov
2022-01-15 06:24:57 +03:00
parent 204544f50f
commit 5aa6bfee85
7 changed files with 143 additions and 11 deletions
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engine/common/imagelib/img_main.c
+21
View File
@@ -566,4 +566,25 @@ void Test_RunImagelib( void )
Z_Free( rgb.buffer );
}
#define IMPLEMENT_IMAGELIB_FUZZ_TARGET( export, target ) \
int EXPORT export( const uint8_t *Data, size_t Size ) \
{ \
rgbdata_t *rgb; \
host.type = HOST_NORMAL; \
Memory_Init(); \
Image_Init(); \
if( target( "#internal", Data, Size )) \
{ \
rgb = ImagePack(); \
FS_FreeImage( rgb ); \
} \
Image_Shutdown(); \
return 0; \
} \
IMPLEMENT_IMAGELIB_FUZZ_TARGET( Fuzz_Image_LoadBMP, Image_LoadBMP )
IMPLEMENT_IMAGELIB_FUZZ_TARGET( Fuzz_Image_LoadPNG, Image_LoadPNG )
IMPLEMENT_IMAGELIB_FUZZ_TARGET( Fuzz_Image_LoadDDS, Image_LoadDDS )
IMPLEMENT_IMAGELIB_FUZZ_TARGET( Fuzz_Image_LoadTGA, Image_LoadTGA )
#endif /* XASH_ENGINE_TESTS */
engine/common/soundlib/snd_main.c
+22
View File
@@ -278,3 +278,25 @@ void FS_FreeStream( stream_t *stream )
stream->format->freefunc( stream );
}
#if XASH_ENGINE_TESTS
#define IMPLEMENT_SOUNDLIB_FUZZ_TARGET( export, target ) \
int EXPORT export( const uint8_t *Data, size_t Size ) \
{ \
wavdata_t *wav; \
host.type = HOST_NORMAL; \
Memory_Init(); \
Sound_Init(); \
if( target( "#internal", Data, Size )) \
{ \
wav = SoundPack(); \
FS_FreeSound( wav ); \
} \
Sound_Shutdown(); \
return 0; \
} \
IMPLEMENT_SOUNDLIB_FUZZ_TARGET( Fuzz_Sound_LoadMPG, Sound_LoadMPG )
IMPLEMENT_SOUNDLIB_FUZZ_TARGET( Fuzz_Sound_LoadWAV, Sound_LoadWAV )
#endif
engine/common/tests.h
+8 -9
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@@ -15,21 +15,20 @@ extern struct tests_stats_s tests_stats;
x; \
Msg( "Finished " #x "\n" )
#define TASSERT( exp ) \
if(!( exp )) \
#define _TASSERT( exp, msg ) \
if( exp ) \
{ \
tests_stats.failed++; \
Msg( S_ERROR "assert failed at %s:%i\n", __FILE__, __LINE__ ); \
msg; \
} \
else tests_stats.passed++;
#define TASSERT( exp ) \
_TASSERT( !(exp), Msg( S_ERROR "assert failed at %s:%i\n", __FILE__, __LINE__ ) )
#define TASSERT_EQi( val1, val2 ) \
_TASSERT( ( val1 ) != ( val2 ), Msg( S_ERROR "assert failed at %s:%i, \"%d\" != \"%d\"\n", __FILE__, __LINE__, #val1, #val2 ))
#define TASSERT_STR( str1, str2 ) \
if( Q_strcmp(( str1 ), ( str2 ))) \
{ \
tests_stats.failed++; \
Msg( S_ERROR "assert failed at %s:%i, \"%s\" != \"%s\"\n", __FILE__, __LINE__, ( str1 ), ( str2 )); \
} \
else tests_stats.passed++;
_TASSERT( Q_strcmp(( str1 ), ( str2 )), Msg( S_ERROR "assert failed at %s:%i, \"%s\" != \"%s\"\n", __FILE__, __LINE__, ( str1 ), ( str2 )))
void Test_RunImagelib( void );
void Test_RunLibCommon( void );
engine/wscript
+7
View File
@@ -32,6 +32,9 @@ def options(opt):
grp.add_option('--enable-engine-tests', action = 'store_true', dest = 'ENGINE_TESTS', default = False,
help = 'embed tests into the engine, jump into them by -runtests command line switch [default: %default]')
grp.add_option('--enable-engine-fuzz', action = 'store_true', dest = 'ENGINE_FUZZ', default = False,
help = 'add LLVM libFuzzer [default: %default]' )
opt.load('sdl2')
def configure(conf):
@@ -87,6 +90,10 @@ def configure(conf):
conf.env.ENGINE_TESTS = conf.options.ENGINE_TESTS
if conf.options.ENGINE_FUZZ:
conf.env.append_unique('CFLAGS', '-fsanitize=fuzzer-no-link')
conf.env.append_unique('LINKFLAGS', '-fsanitize=fuzzer')
conf.define_cond('XASH_ENGINE_TESTS', conf.env.ENGINE_TESTS)
conf.define_cond('XASH_STATIC_LIBS', conf.env.STATIC_LINKING)
conf.define_cond('XASH_CUSTOM_SWAP', conf.options.CUSTOM_SWAP)