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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-05 21:20:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-01-31 22:56:14 +0100 |
| commit | b0c2e6e2d240c458a0455cfcddaacfb927d22e7c (patch) | |
| tree | eceb58eb53f0bbc4d23c1bbff9bbb06a07e2915c | |
| parent | cd01fc76c4060773e8e025a9ae73218cbea120cf (diff) | |
| download | ffmpeg-b0c2e6e2d240c458a0455cfcddaacfb927d22e7c.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>
| -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 f9df4197c5..539f9eefbc 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -308,7 +308,7 @@ 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; } } |