[FFmpeg-cvslog] avcodec/mjpegdec: Fix stereo3d memleak

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Feb 17 20:43:28 2019 +0100| [32d022d26db44cf153ab953360bc995976cc695b] | committer: Michael Niedermayer

avcodec/mjpegdec: Fix stereo3d memleak

Fixes: 12937/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THP_fuzzer-5714945346371584

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=32d022d26db44cf153ab953360bc995976cc695b
---

 libavcodec/mjpegdec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/mjpegdec.c b/libavcodec/mjpegdec.c
index 902b8eb7cb..e82c185433 100644
--- a/libavcodec/mjpegdec.c
+++ b/libavcodec/mjpegdec.c
@@ -1903,6 +1903,7 @@ static int mjpeg_decode_app(MJpegDecodeContext *s)
         type   = get_bits(&s->gb, 8);
         len -= 4;
 
+        av_freep(&s->stereo3d);
         s->stereo3d = av_stereo3d_alloc();
         if (!s->stereo3d) {
             goto out;