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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 12:05:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-20 03:41:33 +0200 |
| commit | 00371aff3dcbc7f2e1d3d05ded745876a95c00da (patch) | |
| tree | 68c8089cc86652727c695d9f83faf8cb0fc256ad | |
| parent | acb589b12d9d6a73c3a3dac56b061b581a80fbd5 (diff) | |
| download | ffmpeg-00371aff3dcbc7f2e1d3d05ded745876a95c00da.tar.gz | |
avcodec/mlpdec: Fix runtime error: left shift of negative value -22
Fixes: 1355/clusterfuzz-testcase-minimized-6662205472768000
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 c535436cbeeab89be64e9f3fd652bc736f2f3245)
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 1687ce80b7..b29e6d473e 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -264,7 +264,7 @@ static inline int read_huff_channels(MLPDecodeContext *m, GetBitContext *gbp, result = (result << lsb_bits) + get_bits(gbp, lsb_bits); result += cp->sign_huff_offset; - result <<= quant_step_size; + result *= 1 << quant_step_size; m->sample_buffer[pos + s->blockpos][channel] = result; } |