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, 16 Jul 2018 17:06:27 +0000 (19:06 +0200)
commit0f1e6771d03c4f5b998bced9c8dfc8cf4180a999
tree1e75bb653e1b1f525fdb91de791b3afd92f16621
parent412872e6cbf6313bc8eeccb9f5978861c8f044a2
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