libvips/fuzz/thumbnail_fuzzer.cc

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#include <vips/vips.h>
extern "C" int
LLVMFuzzerInitialize( int *argc, char ***argv )
{
vips_concurrency_set( 1 );
return( 0 );
}
extern "C" int
LLVMFuzzerTestOneInput( const guint8 *data, size_t size )
{
VipsImage *image, *out;
double d;
if( size > 100 * 1024 * 1024 )
return( 0 );
if( !(image = vips_image_new_from_buffer( data, size, "", NULL )) )
return( 0 );
if( image->Xsize > 100 ||
image->Ysize > 100 ||
image->Bands > 4 ) {
g_object_unref( image );
return( 0 );
}
if( vips_thumbnail_image( image, &out, 42, NULL ) ) {
g_object_unref( image );
return( 0 );
}
vips_avg( out, &d, NULL );
g_object_unref( out );
g_object_unref( image );
return( 0 );
}