Michael Niedermayer 5ff9505770 avcodec/qpeg: Limit copy in qpeg_decode_intra() to the available bytes ...

Fixes: Timeout (27 sec -> 39 milli sec)
Fixes: 13151/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QPEG_fuzzer-5717536023248896

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 b819472995)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

2019-03-24 10:39:03 +01:00

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