avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0() and COMPOSE_DD137iL0()
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 22 Dec 2017 02:06:14 +0000 (03:06 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 19 Feb 2018 01:40:54 +0000 (02:40 +0100)
commita0bcc6cced1af58e5ebf19e56281798dfef1f320
treec4e26e7317d40c19650a9effdb3eb5d5e29511a7
parent09d61d3b81ce758c165c290cb3369e5d6917ef98
avcodec/dirac_dwt: Fix integer overflow in COMPOSE_DD97iH0() and COMPOSE_DD137iL0()

Fixes: runtime error: signed integer overflow: 2147483646 + 33554433 cannot be represented in type 'int'
Fixes: 4563/clusterfuzz-testcase-minimized-5438979567517696

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 4d70fbeec8cbab072b3a9b9f760b8deaaef240f2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dirac_dwt.h