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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-06 21:52:36 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-14 12:20:15 +0200 |
| commit | d63cec6ce3b4ba6a4aa89232da3627238535cd55 (patch) | |
| tree | 80d5c922d9d3110713e0868fae9aaa94fae5af22 | |
| parent | 9b783dc49254d7b3e0fa4f0dc156f091edfda9af (diff) | |
| download | ffmpeg-d63cec6ce3b4ba6a4aa89232da3627238535cd55.tar.gz | |
avcodec/wavpack: Fix runtime error: left shift of negative value -5
Fixes: 729/clusterfuzz-testcase-5154831595470848
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 3016e919d4e1d90da98af19ce2a9d4979506eaf3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/wavpack.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 937aef119e..2606b401a8 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -267,7 +267,7 @@ static inline int wv_get_value_integer(WavpackFrameContext *s, uint32_t *crc, int bit; if (s->extra_bits) { - S <<= s->extra_bits; + S *= 1 << s->extra_bits; if (s->got_extra_bits && get_bits_left(&s->gb_extra_bits) >= s->extra_bits) { |