diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-16 15:55:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-01 12:11:55 +0200 |
| commit | 97d7505017e8ddfecd64f0e8ec4842c1e0754b84 (patch) | |
| tree | 733ad0bc4113de246385bf24304b2942f01ecdc9 | |
| parent | dd79db8188b457bc19849fc980b0ecdca0c83b1c (diff) | |
| download | ffmpeg-97d7505017e8ddfecd64f0e8ec4842c1e0754b84.tar.gz | |
avcodec/tta: Fix undefined shift
Fixes: left shift of negative value -4483
Fixes: 15256/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TTA_fuzzer-5738691617619968
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ebccd2f778a861b41ad38a8464ea120d4f16b2d7)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/tta.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/tta.c b/libavcodec/tta.c index c0162c5849..d5e5042e38 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -372,7 +372,7 @@ static int tta_decode_frame(AVCodecContext *avctx, void *data, // shift samples for 24-bit sample format int32_t *samples = (int32_t *)frame->data[0]; for (i = 0; i < framelen * s->channels; i++) - *samples++ <<= 8; + *samples++ *= 256; // reset decode buffer s->decode_buffer = NULL; break; |