avcodec/dfa: Check the chunk header is not truncated
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 10 Mar 2019 22:45:19 +0000 (23:45 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 17 Mar 2019 10:35:00 +0000 (11:35 +0100)
commitf20760fadbc77483b9ff4b400b53ebb38ee33793
tree2abbf1ef60c4daebd9238dfb6c0c27c2d1f631fe
parent41f93f941155f9f9dbb2d5e7f5d20b2238150836
avcodec/dfa: Check the chunk header is not truncated

Fixes: Timeout (11sec -> 3sec)
Fixes: 13218/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_DFA_fuzzer-5661074316066816

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