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samplefmt: avoid integer overflow in av_samples_get_buffer_size()

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CC:libav-stable@libav.org
(cherry picked from commit 0e830094ad0dc251613a0aa3234d9c5c397e02e6)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Justin Ruggles 2014-01-30 14:08:38 -05:00 committed by Michael Niedermayer
parent b66a0dce11
commit 236b7b16eb
1 changed files with 2 additions and 0 deletions
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libavutil/samplefmt.c
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@ -134,6 +134,8 @@ int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
/* auto-select alignment if not specified */
if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1;
nb_samples = FFALIGN(nb_samples, 32);
}