avcodec/mpeg4videodec: Clear sprite wraping on unsupported cases in VOP decode
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 14 May 2017 14:47:13 +0000 (16:47 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sat, 20 May 2017 01:41:34 +0000 (03:41 +0200)
commitab56c64835975d0e2d51f9ec44469c1f16a7dc63
treeca760ba2e73efc21dc9a7b4417ebca1794cad5e9
parentb17779fc14b7c6f23244521d80785177c0066c46
avcodec/mpeg4videodec: Clear sprite wraping on unsupported cases in VOP decode

Fixes: Integer overflow
Fixes: 1572/clusterfuzz-testcase-minimized-4578773729017856

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 467677769a2222ff8beab3c4d7826df9b7cbc81b)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mpeg4videodec.c