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avcodec/mpeg4videodec: Fix 2 integer overflows in get_amv()
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 11 Jun 2020 20:22:57 +0000 (22:22 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 14 Jun 2020 17:17:07 +0000 (19:17 +0200)
commite361785ee05cc75d3caacf2f254160b0336f5358
tree4761fa87783788258410d8f0b312ce3eace6a018tree | snapshot
parentc579ceffbe30d048c7448c5e9238fc52094de630commit | diff
avcodec/mpeg4videodec: Fix 2 integer overflows in get_amv()

Fixes: signed integer overflow: -144876608 * 16 cannot be represented in type 'int'
Fixes: 22782/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MPEG4_fuzzer-6039584977977344
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mpeg4videodec.c diff | blob | history
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