[FFmpeg-cvslog] avcodec/h264_refs: Fix long_idx check
Michael Niedermayer
git at videolan.org
Fri Jan 15 17:51:09 CET 2016
ffmpeg | branch: release/2.5 | Michael Niedermayer <michael at niedermayer.cc> | Sat Dec 19 21:59:42 2015 +0100| [a5b4b807757fda3dc920d4b23599f8391c21409b] | committer: Michael Niedermayer
avcodec/h264_refs: Fix long_idx check
Fixes out of array read
Fixes mozilla bug 1233606
Found-by: Tyson Smith
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit b92b4775a0d07cacfdd2b4be6511f3cb362c977b)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a5b4b807757fda3dc920d4b23599f8391c21409b
---
libavcodec/h264_refs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/h264_refs.c b/libavcodec/h264_refs.c
index 045f184..d0a902c 100644
--- a/libavcodec/h264_refs.c
+++ b/libavcodec/h264_refs.c
@@ -283,7 +283,7 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h)
long_idx = pic_num_extract(h, pic_id, &pic_structure);
- if (long_idx > 31) {
+ if (long_idx > 31U) {
av_log(h->avctx, AV_LOG_ERROR,
"long_term_pic_idx overflow\n");
return AVERROR_INVALIDDATA;
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