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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-18 02:07:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-06-02 01:14:38 +0200 |
| commit | 686eb3b1ed5b91fdedc0f11d8f19bf0b21505788 (patch) | |
| tree | c89a3b4ca323c8db57a22494984eb3320ee6e94c | |
| parent | b6c0ad571f609cb95b7d495d1e9a469d27e02acb (diff) | |
| download | ffmpeg-686eb3b1ed5b91fdedc0f11d8f19bf0b21505788.tar.gz | |
avcodec/mlpdec: Fix: runtime error: left shift of negative value -8
Fixes: 1658/clusterfuzz-testcase-minimized-4889937130291200
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 25c81e4b737bcc737b13c9a752cb301a28cb3906)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/mlpdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c index eaf1aa7c75..5426712007 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -759,7 +759,7 @@ static int read_matrix_params(MLPDecodeContext *m, unsigned int substr, GetBitCo if (get_bits1(gbp)) coeff_val = get_sbits(gbp, frac_bits + 2); - s->matrix_coeff[mat][ch] = coeff_val << (14 - frac_bits); + s->matrix_coeff[mat][ch] = coeff_val * (1 << (14 - frac_bits)); } if (s->noise_type) |