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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-18 02:07:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:34 +0200 |
| commit | 346e2d16639c229ca9601b47a4ee25e3dd2e6c75 (patch) | |
| tree | fc2796719dfa6276b3c85c17accc68491700966d /libavcodec | |
| parent | 9e62e1cded85775b2367ed4b5726e83cd7ba0d75 (diff) | |
| download | ffmpeg-346e2d16639c229ca9601b47a4ee25e3dd2e6c75.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>
Diffstat (limited to 'libavcodec')
| -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 cf66681c6d..7f554c879c 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -772,7 +772,7 @@ 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) |