ffmpeg | branch: release/2.5 | Michael Niedermayer <michae...@gmx.at> | Mon May 
25 03:48:45 2015 +0200| [8d98fbef16554c3b889c426c75155823d6be2f37] | committer: 
Michael Niedermayer

avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()

Signed-off-by: Michael Niedermayer <michae...@gmx.at>
(cherry picked from commit 291ad5cc9cf815eb110b062487980fab2d107936)

Signed-off-by: Michael Niedermayer <michae...@gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8d98fbef16554c3b889c426c75155823d6be2f37
---

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

diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c
index d041643..2e102df 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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