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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-27 22:15:31 +0000 |
|---|---|---|
| committer | Janne Grunau <janne-libav@jannau.net> | 2011-10-07 16:25:31 +0200 |
| commit | 1c1449b548a2a0bf0295a522051b04107286653c (patch) | |
| tree | 8ea92fbd9a75d69fb5564632fcb329b44c179f08 /libavcodec | |
| parent | 06be075cda0a6ba8bab8f543571b380884f562ac (diff) | |
| download | ffmpeg-1c1449b548a2a0bf0295a522051b04107286653c.tar.gz | |
wmavoice: Check for out of bound writes
Signed-off-by: Janne Grunau <janne-libav@jannau.net>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/wmavoice.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/wmavoice.c b/libavcodec/wmavoice.c index c6e6e76c20..484720ee39 100644 --- a/libavcodec/wmavoice.c +++ b/libavcodec/wmavoice.c @@ -1880,6 +1880,8 @@ static void copy_bits(PutBitContext *pb, rmn_bits = rmn_bytes = get_bits_left(gb); if (rmn_bits < nbits) return; + if (nbits > pb->size_in_bits - put_bits_count(pb)) + return; rmn_bits &= 7; rmn_bytes >>= 3; if ((rmn_bits = FFMIN(rmn_bits, nbits)) > 0) put_bits(pb, rmn_bits, get_bits(gb, rmn_bits)); |