libvips/fuzz/jpegsave_buffer_fuzzer.cc
John Cupitt d81efda782 better blocking of large input images in the fuzzer
things like 65494x5 pixel PNGs were being allowed through and caused
timeouts
2019-08-09 16:45:08 +01:00

39 lines
679 B
C++

#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;
void *buf;
size_t len;
if( !(image = vips_image_new_from_buffer( data, size, "", NULL )) )
return( 0 );
/* Skip big images. They are likely to timeout.
*/
if( image->Xsize > 1024 ||
image->Ysize > 1024 ||
image->Bands > 10 ) {
g_object_unref( image );
return( 0 );
}
if( vips_jpegsave_buffer( image, &buf, &len, NULL ) ) {
g_object_unref( image );
return( 0 );
}
g_free( buf );
g_object_unref( image );
return( 0 );
}