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>
Sat, 30 Dec 2017 20:11:32 +0000 (21:11 +0100)
commit1d9830cba30dfa1ff44f5227763e9d5257841854
tree2005c3cb814911166d2fc331b511d00125260228
parent41a706b9125c0c27dda50996723ceade871b0a9a
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