[FFmpeg-devel] [PATCH] diracdec: avoid overflow of bytes*8 in decode_lowdelay

Michael Niedermayer michaelni at gmx.at
Wed May 6 01:16:37 CEST 2015

On Tue, May 05, 2015 at 10:10:44PM +0200, Andreas Cadhalpun wrote:
> If bytes is large enough, bytes*8 can overflow and become negative.
> In that case 'bufsize -= bytes*8' causes bufsize to increase instead of
> decrease.
> This leads to a segmentation fault.
> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> ---
>  libavcodec/diracdec.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)



Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Concerning the gods, I have no means of knowing whether they exist or not
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the brevity of human life -- Protagoras
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