[FFmpeg-cvslog] avcodec/mjpegdec: Clip DC also on the negative side.

ffmpeg | branch: master | Michael Niedermayer | Wed Jul 12 16:24:18 2017 +0200| [c28f648b19dd36ff9bc869ad527a1569a0b623e2] | committer: Michael Niedermayer avcodec/mjpegdec: Clip DC also on the negative side. Fixes: runtime error: signed integer overflow: -16711425 + -2130772346 cannot be rep

[FFmpeg-cvslog] avcodec/magicyuv: Check that vlc len is not too large

ffmpeg | branch: master | Michael Niedermayer | Wed Jul 12 17:25:16 2017 +0200| [341f01290c2353669ed2263f56e1a9f4c67cc597] | committer: Michael Niedermayer avcodec/magicyuv: Check that vlc len is not too large Fixes: runtime error: shift exponent -95 is negative Fixes: 2568/clusterfuzz-testcas

[FFmpeg-cvslog] avcodec/ivi: Use av_image_check_size2()

ffmpeg | branch: master | Michael Niedermayer | Wed Jul 12 20:31:24 2017 +0200| [a82468514048fb87d9bf38689866bc3b9aaccd02] | committer: Michael Niedermayer avcodec/ivi: Use av_image_check_size2() Fixes OOM Fixes: 1514/clusterfuzz-testcase-minimized-6437666243477504 Found-by: continuous fuzzin