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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 0e830094ad)

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 b3cc4bd18f
commit bb683ebdba
1 changed files with 2 additions and 0 deletions
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libavutil/samplefmt.c
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@@ -135,6 +135,8 @@ int av_samples_get_buffer_size(int *linesize, int nb_channels, int nb_samples,
/* auto-select alignment if not specified */ /* auto-select alignment if not specified */
if (!align) { if (!align) {
if (nb_samples > INT_MAX - 31)
return AVERROR(EINVAL);
align = 1; align = 1;
nb_samples = FFALIGN(nb_samples, 32); nb_samples = FFALIGN(nb_samples, 32);
} }