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>
Tue, 29 Aug 2017 19:21:08 +0000 (21:21 +0200)
commit09a1d15de7942c32d1e17381c6ca8cc41e236afb
tree98405dc019113a1558db2d348baeb1d8a12f9792
parent0ca5c57d9d0670097235102abd54cccfb3f3c2db
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