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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-05 21:20:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-13 19:54:20 +0100 |
| commit | fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9 (patch) | |
| tree | 851a30c4f89354b5b25877c8bff6a3d6fd468968 /libavcodec/aacdec_fixed.c | |
| parent | 770c934fa1635f4fadf5db4fc5cc5ad15d82455a (diff) | |
| download | ffmpeg-streaming-fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9.zip ffmpeg-streaming-fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9.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>
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 ffd577c..f96999e 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; } } |
