cb1634dd31
Many codecs can take a huge amount of time attempting to read large random objects. jpeg_read_header(), for example, can take ~10s on a 1mb of random data. Ignore fuzz objects over 100kb. See https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24383
41 lines
697 B
C++
41 lines
697 B
C++
#include <vips/vips.h>
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extern "C" int
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LLVMFuzzerInitialize( int *argc, char ***argv )
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{
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vips_concurrency_set( 1 );
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return( 0 );
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}
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extern "C" int
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LLVMFuzzerTestOneInput( const guint8 *data, size_t size )
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{
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VipsImage *image, *out;
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double d;
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if( size > 100 * 1024 * 1024 )
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return( 0 );
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if( !(image = vips_image_new_from_buffer( data, size, "", NULL )) )
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return( 0 );
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if( image->Xsize > 100 ||
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image->Ysize > 100 ||
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image->Bands > 4 ) {
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g_object_unref( image );
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return( 0 );
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}
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if( vips_thumbnail_image( image, &out, 42, NULL ) ) {
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g_object_unref( image );
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return( 0 );
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}
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vips_avg( out, &d, NULL );
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g_object_unref( out );
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g_object_unref( image );
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return( 0 );
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}
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