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avcodec/truemotion2: Fix several integer overflows in tm2_update_block()
authorMichael Niedermayer <michael@niedermayer.cc>
Sat, 4 May 2019 22:31:24 +0000 (00:31 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Mon, 27 May 2019 17:01:38 +0000 (19:01 +0200)
commit8eecf761a65baf4ce6f25c0a149819cc9414c0f0
tree34e701f8f13d709887559c67f228dcb3aefad6a8tree | snapshot
parente6f4d5dc384af334a5c7b61969db9d7d9c1b7e0acommit | diff
avcodec/truemotion2: Fix several integer overflows in tm2_update_block()

Fixes: signed integer overflow: -1877966852 + -469491713 cannot be represented in type 'int'
Fixes: 14561/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TRUEMOTION2_fuzzer-5167608359288832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/truemotion2.c diff | blob | history
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