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>
Tue, 26 Dec 2017 17:05:10 +0000 (18:05 +0100)
commit4d70fbeec8cbab072b3a9b9f760b8deaaef240f2
treee769a473292724ddd22dd7eb65e652e49aa67961
parent2a111c99a60fdf4fe5eea2b073901630190c6c93
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>
libavcodec/dirac_dwt.h