avcodec/h264_mc_template: Only prefetch motion if the list is used.
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 8 Jun 2018 16:25:14 +0000 (18:25 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 10 Jun 2018 22:51:20 +0000 (00:51 +0200)
commit8b55591757244d8244a2be369c2b54c9ae79b02a
treeb20036a3c4fbb174306dd8e5b70433c4f51b7bba
parentc2852e4e00de4073ff7de82d41cb3368702686e8
avcodec/h264_mc_template: Only prefetch motion if the list is used.

Fixes: index 59 out of bounds for type 'H264Ref [48]'
Fixes: 8232/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_H264_fuzzer-5703295145345024

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/h264_mc_template.c