[FFmpeg-cvslog] avcodec/iff: Fix mask_buf / mask_palbuf leak

[Michael Niedermayer]

ffmpeg | branch: release/4.1 | Michael Niedermayer <michael at niedermayer.cc> | Sat Jun 22 20:05:15 2019 +0200| [4d2343825c04fdf0433678da2d58d6f342124e3f] | committer: Michael Niedermayer

avcodec/iff: Fix mask_buf / mask_palbuf leak

Fixes: 15372/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5708881759567872

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross at xvid.org>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 92e8db532cdee3c73913174413428ffdc35032e2)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4d2343825c04fdf0433678da2d58d6f342124e3f
---

 libavcodec/iff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index 33cf2e3a94..b43bd507b3 100644
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -371,6 +371,8 @@ static av_cold int decode_end(AVCodecContext *avctx)
     av_freep(&s->planebuf);
     av_freep(&s->ham_buf);
     av_freep(&s->ham_palbuf);
+    av_freep(&s->mask_buf);
+    av_freep(&s->mask_palbuf);
     av_freep(&s->video[0]);
     av_freep(&s->video[1]);
     av_freep(&s->pal);