[FFmpeg-cvslog] tools/target_dec_fuzzer: Init parsepkt

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sat Aug 31 00:03:57 2019 +0200| [a370582ba9c4e0db4e8518d4df199003d36bea16] | committer: Michael Niedermayer

tools/target_dec_fuzzer: Init parsepkt

Fixes: memory corruption
Fixes: 16702/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_PNG_fuzzer-5768418552184832

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

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a370582ba9c4e0db4e8518d4df199003d36bea16
---

 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 e22a0c5c34..901dbca385 100644
--- a/tools/target_dec_fuzzer.c
+++ b/tools/target_dec_fuzzer.c
@@ -194,6 +194,7 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
     // Read very simple container
     AVPacket avpkt, parsepkt;
     av_init_packet(&avpkt);
+    av_init_packet(&parsepkt);
     while (data < end && it < maxiteration) {
         // Search for the TAG
         while (data + sizeof(fuzz_tag) < end) {