vc1dec: raise an error if sprite picture data is missing

Message ID 20170424223222.502405DB29@aruru.libav.org
State New
Headers show

Commit Message

Janne Grunau April 24, 2017, 10:32 p.m.
Module: libav
Branch: master
Commit: 2e1ab6a67dd5d9a30558d008aa6e541c68d76221

Author:    Sean McGovern <gseanmcg@gmail.com>
Committer: Sean McGovern <gseanmcg@gmail.com>
Date:      Sat Apr 22 19:16:34 2017 -0400

vc1dec: raise an error if sprite picture data is missing

Bug-Id: 1013
CC: libav-stable@libav.org

---

 libavcodec/vc1dec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 89b4f4b..51745c1 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -270,7 +270,7 @@  static int vc1_decode_sprites(VC1Context *v, GetBitContext* gb)
 
     vc1_parse_sprites(v, gb, &sd);
 
-    if (!s->current_picture.f->data[0]) {
+    if (!s->current_picture.f || !s->current_picture.f->data[0]) {
         av_log(avctx, AV_LOG_ERROR, "Got no sprites\n");
         return -1;
     }