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avformat/avidec: Check height

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Fixes: negation of -2147483648 cannot be represented in type 'int'; cast to an unsigned type to negate this value to itself
Fixes: Ticket8486

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit ec8ff659f57786c4cb089b07dfeab7e5cbab8d52)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2022-02-27 21:44:29 +01:00
parent 261557160f
commit 061f8b941e
1 changed files with 2 additions and 0 deletions
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libavformat/avidec.c
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@ -859,6 +859,8 @@ static int avi_read_header(AVFormatContext *s)
memcpy(st->codecpar->extradata + st->codecpar->extradata_size - 9,
"BottomUp", 9);
}
if (st->codecpar->height == INT_MIN)
return AVERROR_INVALIDDATA;
st->codecpar->height = FFABS(st->codecpar->height);
// avio_skip(pb, size - 5 * 4);