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avcodec/4xm: Fix signed integer overflows in idct()
authorMichael Niedermayer <michael@niedermayer.cc>
Wed, 26 Jun 2019 22:15:03 +0000 (00:15 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 8 Jul 2019 07:49:45 +0000 (09:49 +0200)
commit2bbea155bf7c6ce6d5ae53cc41e44798cad2f39c
tree3c00fc1b7675afa8a6d9348b405d3577d98fcbc1tree | snapshot
parent7b2ebf89a411d957ca999f1e7a919ff617fbfd56commit | diff
avcodec/4xm: Fix signed integer overflows in idct()

Fixes: signed integer overflow: 20242 * 121095 cannot be represented in type 'int'
Fixes: 15310/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FOURXM_fuzzer-5737051745419264
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/4xm.c diff | blob | history
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