avcodec/msvideo1: Check for too small dimensions
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 1 Dec 2018 21:16:19 +0000 (22:16 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 21 Mar 2019 09:42:51 +0000 (10:42 +0100)
commitc3e263b862ec8ae187aa56d9bfc75fb5666996f4
tree67ecd77f187931d6e109ecfbd46944ea3b2ae84a
parentf3095068d85d61d97418a723b2c655b731dd1ecb
avcodec/msvideo1: Check for too small dimensions

Such low resolution would result in empty output as a minimum of 4x4 is needed
We could also check for multiple of 4 dimensions but that is not needed

Fixes: Timeout
Fixes: 11191/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSVIDEO1_fuzzer-5739529588178944

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 953bd58861ad933e614510140b05a61e3d1375be)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/msvideo1.c