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authorMichael Niedermayer <michael@niedermayer.cc>2020-10-02 22:48:12 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2020-10-15 22:53:56 +0200
commit92233a63444001477acb70f2afa43a05f10b5fd5 (patch)
treef96d1180ca35ea44b886e952c8bf7a7e1c3e1f0a /doc/tablegen.txt
parentb6b640c5448f4a53e49caf93ccd665346d7598ef (diff)
downloadffmpeg-92233a63444001477acb70f2afa43a05f10b5fd5.tar.gz
avcodec/mobiclip: Check that Motion vectors are within the input frame
The MV checks did not consider the width and height of the block, also they had some off by 1 errors. This resulted in undefined behavior and crashes. This commit instead errors out on these Fixes: out of array read Fixes: 26080/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MOBICLIP_fuzzer-5758146355920896 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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