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>
Thu, 21 Mar 2019 08:01:42 +0000 (09:01 +0100)
commitb429df281d50e960fb7f44659cac393a42cdfd35
tree150bd3a49d04ef60d41d0d2f49df5cebc41475ed
parent7ce56329e71fc75512ef82f4794c43b629b8c488
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>
(cherry picked from commit f20760fadbc77483b9ff4b400b53ebb38ee33793)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/dfa.c