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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-03-06 21:52:36 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-16 16:00:22 +0200 |
| commit | 9beb60855bebcc25d342d680c4991a49a7fa8d5d (patch) | |
| tree | 5f972fe85c7647f209576092db8ba78ff74fa9df | |
| parent | e92e587ceeb08af30ac5589f064cf5ab70ab2047 (diff) | |
| download | ffmpeg-9beb60855bebcc25d342d680c4991a49a7fa8d5d.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 40601d9036..046abe272c 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) { |