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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 18:09:47 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-28 18:27:43 +0200 |
| commit | 6b9cb5d26a2d9905093621d12785bc5903dce66d (patch) | |
| tree | 29338d6ef8d83046b97f922914810abbcd40caa4 /libavcodec/aacdec_fixed.c | |
| parent | 67b30decf7793523f7fdaef6fdf7f1179ef42b18 (diff) | |
| download | ffmpeg-streaming-6b9cb5d26a2d9905093621d12785bc5903dce66d.zip ffmpeg-streaming-6b9cb5d26a2d9905093621d12785bc5903dce66d.tar.gz | |
avcodec/aacdec_fixed: Fix runtime error: left shift of 1 by 31 places cannot be represented in type 'int'
Fixes: 1878/clusterfuzz-testcase-minimized-6441918630199296
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 | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/aacdec_fixed.c b/libavcodec/aacdec_fixed.c index 950ce20..d8786df 100644 --- a/libavcodec/aacdec_fixed.c +++ b/libavcodec/aacdec_fixed.c @@ -211,8 +211,8 @@ static void noise_scale(int *coefs, int scale, int band_energy, int len) for (i=0; i<len; i++) { coefs[i] = 0; } - } else if (s > 0) { - round = 1 << (s-1); + } else if (s >= 0) { + round = s ? 1 << (s-1) : 0; for (i=0; i<len; i++) { out = (int)(((int64_t)coefs[i] * c) >> 32); coefs[i] = ((int)(out+round) >> s) * ssign; |
