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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-05 21:20:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | 43299eabeabc61c6a5b56f85f0901591bd8fb205 (patch) | |
| tree | ddf9b013d5548954daeb95a610cd45207017c06d /libavcodec/aacdec_fixed.c | |
| parent | f2763b8ba80cb258663807a5e61f028564b02ac3 (diff) | |
| download | ffmpeg-43299eabeabc61c6a5b56f85f0901591bd8fb205.tar.gz | |
avcodec/aacdec_fixed: Fix undefined shift
Fixes: runtime error: left shift of negative value -801112064
Fixes: 3492/clusterfuzz-testcase-minimized-5784775283441664
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 fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/aacdec_fixed.c')
| -rw-r--r-- | libavcodec/aacdec_fixed.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index d6959b8ac2..535b323fc0 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -309,7 +309,7 @@ static av_always_inline void predict(PredictorState *ps, int *coef, if (shift > 0) { *coef += (unsigned)((pv.mant + (1 << (shift - 1))) >> shift); } else - *coef += (unsigned)(pv.mant << -shift); + *coef += (unsigned)pv.mant << -shift; } } |