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| author | Michael Niedermayer <michael@niedermayer.cc> | 2019-01-15 00:09:30 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2019-01-31 17:20:38 +0100 |
| commit | d8b8b27dc3126c9c18d22b81815076c43ebcac7f (patch) | |
| tree | 2163cae63b08214cbdb38d270e9d3d1eb62aeef1 /libavcodec/ffv1dec_template.c | |
| parent | 62f5325ca30a3cc27c625bb468d65e2e4bfd7996 (diff) | |
| download | ffmpeg-d8b8b27dc3126c9c18d22b81815076c43ebcac7f.tar.gz | |
avcodec/ilbcdec: Fix undefined integer overflow lsf2poly()
The addition is moved up into the context where the variable is unsigned avoiding
the undefined behavior
Fixes: runtime error: signed integer overflow: 2147481972 + 4096 cannot be represented in type 'int'
Fixes: 12444/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ILBC_fuzzer-5755706244857856
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4523cc5e75c8ecfba8975d16e96c29f9bf70973f)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/ffv1dec_template.c')
0 files changed, 0 insertions, 0 deletions