[FFmpeg-cvslog] avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()
Michael Niedermayer
git at videolan.org
Wed Jun 17 22:09:47 CEST 2015
ffmpeg | branch: release/2.2 | Michael Niedermayer <michaelni at gmx.at> | Mon May 25 03:48:45 2015 +0200| [249021eb23368f81ff4db19f538ae4a96bb56878] | committer: Michael Niedermayer
avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
(cherry picked from commit 291ad5cc9cf815eb110b062487980fab2d107936)
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=249021eb23368f81ff4db19f538ae4a96bb56878
---
libavcodec/bitstream.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index e907322..af416ce 100644
--- a/libavcodec/bitstream.c
+++ b/libavcodec/bitstream.c
@@ -69,6 +69,8 @@ void avpriv_copy_bits(PutBitContext *pb, const uint8_t *src, int length)
if (length == 0)
return;
+ av_assert0(length <= put_bits_left(pb));
+
if (CONFIG_SMALL || words < 16 || put_bits_count(pb) & 7) {
for (i = 0; i < words; i++)
put_bits(pb, 16, AV_RB16(src + 2 * i));
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