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| author | Michael Niedermayer <michaelni@gmx.at> | 2015-05-25 03:48:45 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-17 21:50:08 +0200 |
| commit | 249021eb23368f81ff4db19f538ae4a96bb56878 (patch) | |
| tree | 4966ad36dfff295cdf9bee35fb93924d1053af42 | |
| parent | 2b499b694002f7729d77b1acce3c5d84db77a4ae (diff) | |
| download | ffmpeg-249021eb23368f81ff4db19f538ae4a96bb56878.tar.gz | |
avcodec/bitstream: Assert that there is enough space left in avpriv_copy_bits()
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 291ad5cc9cf815eb110b062487980fab2d107936)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/bitstream.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c index e907322871..af416ce5bc 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)); |