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>
Mon, 21 Jan 2019 06:53:26 +0000 (07:53 +0100)
commit558ba71de5c75bd7d2cced51361180baaf32cfd7
tree00b95335cb329aefe89e6ab6cc154713b29973d6
parent1a5db666ace66a4ebc42557753d09426df561923
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