mirror of https://git.ffmpeg.org/ffmpeg.git
avformat/mov: fix integer overflow in mov_read_udta_string()
Found-by: Paul Mehta <paul@paulmehta.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3859868c75
)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -385,7 +385,7 @@ static int mov_read_udta_string(MOVContext *c, AVIOContext *pb, MOVAtom atom)
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if (!key)
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if (!key)
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return 0;
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return 0;
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if (atom.size < 0)
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if (atom.size < 0 || str_size >= INT_MAX/2)
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return AVERROR_INVALIDDATA;
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return AVERROR_INVALIDDATA;
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str_size = FFMIN3(sizeof(str)-1, str_size, atom.size);
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str_size = FFMIN3(sizeof(str)-1, str_size, atom.size);
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