samplefmt: avoid integer overflow in av_samples_get_buffer_size()

CC:libav-stable@libav.org
(cherry picked from commit 0e830094ad)
This commit is contained in:
Justin Ruggles
2014-01-30 14:08:38 -05:00
committed by Reinhard Tartler
parent 8883b5f85b
commit 3e3805b7fa

View File

@@ -118,6 +118,8 @@ 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);
} }