libavformat/mov: Fix heap buffer overflow.

[ffmpeg] / tools / target_dec_fuzzer.c

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 62d62a9de34f8f2b912515845a7e9592ba19587f..a0e8943c824098561f57606d1c269b8fbe915ad2 100644 (file)
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -56,6 +56,8 @@
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
 
+extern AVCodec * codec_list[];
+
 static void error(const char *err)
 {
     fprintf(stderr, "%s", err);
@@ -144,6 +146,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
 #define DECODER_SYMBOL0(CODEC) ff_##CODEC##_decoder
 #define DECODER_SYMBOL(CODEC) DECODER_SYMBOL0(CODEC)
         extern AVCodec DECODER_SYMBOL(FFMPEG_DECODER);
+        codec_list[0] = &DECODER_SYMBOL(FFMPEG_DECODER);
         avcodec_register(&DECODER_SYMBOL(FFMPEG_DECODER));
 
         c = &DECODER_SYMBOL(FFMPEG_DECODER);