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| author | Michael Niedermayer <michael@niedermayer.cc> | 2017-05-06 12:05:17 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:17 +0200 |
| commit | a75075fc58f13f0c456f0064aa08182d57409db1 (patch) | |
| tree | e541b69e3bf3a679892a481c5254df450f88b47f | |
| parent | 697187a6f3045dba219dee9a75b8e201af7d6121 (diff) | |
| download | ffmpeg-a75075fc58f13f0c456f0064aa08182d57409db1.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 ed6a7fb58c..8497e1be8c 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -261,7 +261,7 @@ 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; } |