avcodec/snowdec: Fix integer overflow in decode_subband_slice_buffered()
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 27 Aug 2017 22:30:33 +0000 (00:30 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 9 Sep 2017 23:33:28 +0000 (01:33 +0200)
commitcd221a86a6a322b85cd0db2ef14c669afcbb8887
treecf93fe9e36741cbb6d75bdf113456a057ac4f33e
parent25ff26aaac973f608cd3ffbe4a0dbed8670a6788
avcodec/snowdec: Fix integer overflow in decode_subband_slice_buffered()

Fixes: runtime error: signed integer overflow: 267 * 8388608 cannot be represented in type 'int'
Fixes: 2743/clusterfuzz-testcase-minimized-5820652076400640

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 732f9764561558a388c05483ed6a722a5c67b05c)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/snowdec.c