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avcodec/snowdec: Sanity check hcoeff
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 6 Aug 2020 19:35:06 +0000 (21:35 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Fri, 7 Aug 2020 12:01:00 +0000 (14:01 +0200)
commitd51d569cf68f78aaea8464a156c847a0e294726a
treeadaf16cbeadadc6f6909152c10a9c02501138b40tree | snapshot
parentfab00b0ae077207a9aa1fa2cea34beb6ed860452commit | diff
avcodec/snowdec: Sanity check hcoeff

Fixes: signed integer overflow: -2147483648 * -1 cannot be represented in type 'int'
Fixes: 24011/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SNOW_fuzzer-5486376610168832
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/snowdec.c diff | blob | history
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