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wtvdec: fix integer overflow

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Fixes CID968583
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-20 20:59:30 +01:00
parent 3fba3e79a3
commit 3317414fc1
1 changed files with 1 additions and 1 deletions
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libavformat/wtvdec.c
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@ -200,7 +200,7 @@ static AVIOContext * wtvfile_open_sector(int first_sector, uint64_t length, int
return NULL;
}
if (wf->sectors[wf->nb_sectors - 1] << WTV_SECTOR_BITS > avio_tell(s->pb))
if ((int64_t)wf->sectors[wf->nb_sectors - 1] << WTV_SECTOR_BITS > avio_tell(s->pb))
av_log(s, AV_LOG_WARNING, "truncated file\n");
/* check length */