diff options
| author | Michael Niedermayer <[email protected]> | 2017-11-05 21:20:07 +0100 |
|---|---|---|
| committer | Michael Niedermayer <[email protected]> | 2017-12-07 23:38:06 +0100 |
| commit | db82e4f1e059056a591f9b143c26ea3de7c5e308 (patch) | |
| tree | 0b6175c7181e92f1e577b5f09ff09b01e63b71c4 | |
| parent | 168ee582559d904360261c8dab9eca2ba6490583 (diff) | |
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 <[email protected]>
(cherry picked from commit fca198fb5bf42ba6b765b3f75b11738e4b4fc2a9)
Signed-off-by: Michael Niedermayer <[email protected]>
| -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 d802f3834f..32bd1454bd 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; } } |