diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-24 00:22:39 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-02-10 21:18:18 +0100 |
| commit | 0a7c648e2d85a59975cc88079975cf9f3306ed0a (patch) | |
| tree | b696c745838ea7604282bd281e01da13b80da3e8 /libavformat/wavdec.c | |
| parent | a8fe78decd700afec461f06df4ce0d36f3e9cc4b (diff) | |
avformat/wavdec: Consider AV_INPUT_BUFFER_PADDING_SIZE in set_spdif()
The buffer is read by using the bit reader
Fixes: out of array read
Fixes: 27539/clusterfuzz-testcase-minimized-ffmpeg_dem_WAV_fuzzer-5650565572591616
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/wavdec.c')
| -rw-r--r-- | libavformat/wavdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index 256c36ebe2..ef144502a2 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -71,7 +71,7 @@ static void set_spdif(AVFormatContext *s, WAVDemuxContext *wav) int ret = ffio_ensure_seekback(s->pb, len); if (ret >= 0) { - uint8_t *buf = av_malloc(len); + uint8_t *buf = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE); if (!buf) { ret = AVERROR(ENOMEM); } else { |