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jpeg2000dec: Add more checks when parsing headers

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Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-16 16:17:05 +03:00
parent c38854c399
commit 18a245a2ae
1 changed files with 4 additions and 0 deletions
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4
libavcodec/jpeg2000dec.c
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@ -1284,6 +1284,10 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
av_log(s->avctx, AV_LOG_ERROR, "Missing SOT\n");
return AVERROR_INVALIDDATA;
}
if (!s->tile) {
av_log(s->avctx, AV_LOG_ERROR, "Missing SIZ\n");
return AVERROR_INVALIDDATA;
}
tile = s->tile + s->curtileno;
tp = tile->tile_part + tile->tp_idx;