avcodec/dirac_dwt: Fix integer overflows in COMPOSE_DAUB97*
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 2 Dec 2017 20:48:04 +0000 (21:48 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Wed, 31 Jan 2018 21:56:14 +0000 (22:56 +0100)
commit2bffe4613ecbb70b76490c9ecc9481950bc2b62a
tree9bc3b5a6d3c9ee3e9f283e8b8d1ccc5fa4f1b4e2
parent9166e6abd6c69a0a7e15b8797d7e3edc418b7fd6
avcodec/dirac_dwt: Fix integer overflows in COMPOSE_DAUB97*

Fixes: 4478/clusterfuzz-testcase-minimized-4752113767809024
Fixes: runtime error: signed integer overflow: -2147483626 + -319489 cannot be represented in type 'int'

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 5e9a13a5a33bf7566591216e335f2529612100bb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dirac_dwt.h