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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 03:34:09 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 01:14:38 +0200 |
| commit | b330fec1ced7e967f9025e4131f9c29bfa00d3f6 (patch) | |
| tree | 5565402e8ccc8da5479b373ae22f66fcc8fd9e94 | |
| parent | 1d589a93b07c107f13bf526f43d96f071fa4bd6a (diff) | |
| download | ffmpeg-b330fec1ced7e967f9025e4131f9c29bfa00d3f6.tar.gz | |
avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too large for 32-bit type 'int'
Fixes: 1851/clusterfuzz-testcase-minimized-5692607495667712
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 6c3a63fc3d1be7ac947e38a165a299c9e5d37764)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/aacdec_fixed.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 29a363dec8..b78a27a236 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -370,7 +370,9 @@ static void apply_dependent_coupling_fixed(AACContext *ac, shift = (gain-1024) >> 3; } - if (shift < 0) { + if (shift < -31) { + // Nothing to do + } else if (shift < 0) { shift = -shift; round = 1 << (shift - 1); |