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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-23 12:40:22 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-23 16:11:27 +0200 |
| commit | 620b452a118a6a2345addb4e1d8abf36ad8d1bab (patch) | |
| tree | 75856334b011091b123f8371fbb9e4fa4141b9d0 /libavcodec | |
| parent | 37de7f71758bd0ce2e3912bd70b223a718602e09 (diff) | |
| download | ffmpeg-620b452a118a6a2345addb4e1d8abf36ad8d1bab.tar.gz | |
avcodec/aacdec_fixed: Fix multiple runtime error: shift exponent 127 is too large for 32-bit type 'int'
Fixes: 1762/clusterfuzz-testcase-minimized-5150981081792512
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')
| -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 7b5e40e484..27547667ab 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -415,7 +415,9 @@ static void apply_independent_coupling_fixed(AACContext *ac, c = cce_scale_fixed[gain & 7]; shift = (gain-1024) >> 3; - if (shift < 0) { + if (shift < -31) { + return; + } else if (shift < 0) { shift = -shift; round = 1 << (shift - 1); |