libvips/fuzz/sharpen_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 *in, *out;
size_t width, height, bands;
double d;
if( !(in = vips_image_new_from_buffer( data, size, "", NULL )) ) {
return( 0 );
}
width = in->Xsize;
height = in->Ysize;
bands = in->Bands;
/* Skip big images. It is likely to timeout.
*/
if ( width * height * bands > 256 * 256 * 16 ) {
g_object_unref( in );
return( 0 );
}
if( vips_sharpen( in, &out, NULL ) ) {
g_object_unref( in );
return( 0 );
}
vips_avg( out, &d, NULL );
g_object_unref( out );
g_object_unref( in );
return( 0 );
}