avcodec/msmpeg4dec: Skip frame if its smaller than 1/8 of the minimal size
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 29 Nov 2018 01:32:10 +0000 (02:32 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 4 Dec 2018 23:50:13 +0000 (00:50 +0100)
commit09ec182864d41c990bc18f620eabb77444aeff57
tree651d50744f83b50fb64ccf5cfd647d2c6fd527cb
parented5680f37ed30a01933c0158b21e3bb3c8acfe4a
avcodec/msmpeg4dec: Skip frame if its smaller than 1/8 of the minimal size

Frames that small are not valid and of limited use for error concealment, while
being very computationally intensive to process.

Fixes: Timeout
Fixes: 11318/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSMPEG4V1_fuzzer-5710884555456512

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/msmpeg4dec.c