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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-06-16 15:55:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-12-02 19:41:48 +0100 |
| commit | 7b9ca45a43175a1e1d2cada8dfe27f32cb1f7968 (patch) | |
| tree | 1154dae90fdf04e3c9e020cdea2fec9c4d8b9c7f | |
| parent | 58c95520ee4e5f41d8d38045c022dfafd3bc9134 (diff) | |
| download | ffmpeg-7b9ca45a43175a1e1d2cada8dfe27f32cb1f7968.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 1e2e9c4ef4..2bbf4adcec 100644 --- a/libavcodec/tta.c +++ b/libavcodec/tta.c @@ -370,7 +370,7 @@ 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; |