Michael Niedermayer 54c0706a2d avcodec/vc1_block: Fix integer overflow in AC rescaling in vc1_decode_i_block_adv() ...

Fixes: signed integer overflow: 50176 * 262144 cannot be represented in type 'int'
Fixes: 18629/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VC1IMAGE_fuzzer-5182370286403584

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 0e010e489b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2020-01-06 11:30:44 +01:00

118 KiB

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