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golomb: Fix overread in get_ur_golomb_jpegls() Fixes Ticket600

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Nir Ben David authored on 2011/11/11 07:03:48
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@@ -302,6 +302,8 @@ static inline int get_ur_golomb_jpegls(GetBitContext *gb, int k, int limit, int
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     }else{
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         int i;
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         for(i=0; SHOW_UBITS(re, gb, 1) == 0; i++){
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+            if (get_bits_left(gb)<=0)
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+                return -1;
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             LAST_SKIP_BITS(re, gb, 1);
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             UPDATE_CACHE(re, gb);
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         }