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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-11-10 00:04:51 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2021-09-10 16:04:26 +0200 |
| commit | df388f600d3bec356098c3debca355351ec2a10a (patch) | |
| tree | 1880185388ff17217eec7fb3cec714136f17c007 | |
| parent | 89db9bbfc398464adbfd965a6092a7a247849ff3 (diff) | |
| download | ffmpeg-df388f600d3bec356098c3debca355351ec2a10a.tar.gz | |
avcodec/vp3dsp: Use unsigned constant to avoid undefined integer overflow in ff_vp3dsp_set_bounding_values()
Fixes: signed integer overflow: 64 * 33686018 cannot be represented in type 'int'
Fixes: 26911/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-4904975073017856
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Peter Ross <pross@xvid.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c7e775f7126562ae8cfe1411022efa000b572f01)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/vp3dsp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/vp3dsp.c b/libavcodec/vp3dsp.c index ac4c57441c..151545bd01 100644 --- a/libavcodec/vp3dsp.c +++ b/libavcodec/vp3dsp.c @@ -490,5 +490,5 @@ void ff_vp3dsp_set_bounding_values(int * bounding_values_array, int filter_limit } if (value) bounding_values[128] = value; - bounding_values[129] = bounding_values[130] = filter_limit * 0x02020202; + bounding_values[129] = bounding_values[130] = filter_limit * 0x02020202U; } |