avcodec/truemotion2: Fix overflow in tm2_apply_deltas()
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Jun 2018 00:09:59 +0000 (02:09 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 9 Jul 2018 23:52:56 +0000 (01:52 +0200)
commitea0734e3f011964e12da5f7d8dacf4a86670cbf0
treea6f125c4b30d01d96637b71c67ed43851c641e9c
parent4c3a7aaea8ba76225780bd867a053bb0084503d6
avcodec/truemotion2: Fix overflow in tm2_apply_deltas()

Fixes: signed integer overflow: 1077952576 + 1077952576 cannot be represented in type 'int'
Fixes: 7712/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5056281753681920

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 79c6047c3668c639f717b3a7001a34dddba0ede2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/truemotion2.c