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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-09-21 11:42:55 -0400 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-11-04 01:07:44 +0100 |
| commit | e6b225532933655d95266ce772b8a45b14aa27ec (patch) | |
| tree | e316c2146735df2308f9df132729219e0da67ae8 | |
| parent | 7f7b2e89e270801ea5918afa1432d3bb32f6ebc7 (diff) | |
| download | ffmpeg-e6b225532933655d95266ce772b8a45b14aa27ec.tar.gz | |
smacker: check buffer size before reading output size
(cherry picked from commit cf044f8bff0d28dbc34492f18b0d18b3ba8bad9d)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/smacker.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c index 30dbaa7dae..0c1aa16224 100644 --- a/libavcodec/smacker.c +++ b/libavcodec/smacker.c @@ -587,6 +587,11 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size, int bits, stereo; int pred[2] = {0, 0}; + if (buf_size <= 4) { + av_log(avctx, AV_LOG_ERROR, "packet is too small\n"); + return AVERROR(EINVAL); + } + unp_size = AV_RL32(buf); init_get_bits(&gb, buf + 4, (buf_size - 4) * 8); |