1. ffmpeg
  2. Commit bd531038e8affa6387d2d7dadd20d907e5791ab5
Browse code

init_get_bits8: check byte_size against being positive

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit ac73d3a12a33c5e4e6357d5f8824e19801663eb5)

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

Michael Niedermayer authored on 2013/01/15 00:22:41
Showing 1 changed files
libavcodec/get_bits.h
History View file @ bd53103
... ... 
@@ -406,7 +406,7 @@ static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
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 static inline int init_get_bits8(GetBitContext *s, const uint8_t *buffer,
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                                  int byte_size)
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 {
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-    if (byte_size > INT_MAX / 8)
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+    if (byte_size > INT_MAX / 8 || byte_size < 0)
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         return AVERROR_INVALIDDATA;
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     return init_get_bits(s, buffer, byte_size * 8);
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 }