[FFmpeg-cvslog] tools/target_dec_fuzzer: set parser codec id to avoid assertion failure

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Fri Jul  6 12:16:22 2018 +0200| [5c0fd9df87ba5d6024cf61c7da396979c79f1856] | committer: Michael Niedermayer

tools/target_dec_fuzzer: set parser codec id to avoid assertion failure

Fixes: 9211/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GSM_fuzzer-5680396581732352
Fixes: assertion failure

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5c0fd9df87ba5d6024cf61c7da396979c79f1856
---

 tools/target_dec_fuzzer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/target_dec_fuzzer.c b/tools/target_dec_fuzzer.c
index 3146bf2c1a..a94d5e6a92 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -193,6 +193,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         av_free(parser_avctx);
         return 0; // Failure of avcodec_open2() does not imply that a issue was found
     }
+    parser_avctx->codec_id = ctx->codec_id;
 
     FDBCreate(&buffer);
     int got_frame;