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audio: check for overflows

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wm4 2014-01-03 00:42:40 +01:00
parent 7ed4ce91e8
commit 52ed634811
1 changed files with 5 additions and 0 deletions
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5
audio/audio.c
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@ -15,6 +15,9 @@
* with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include <limits.h>
#include <stdlib.h>
#include <assert.h>
#include <libavutil/mem.h>
@ -145,6 +148,8 @@ static void mp_audio_destructor(void *ptr)
void mp_audio_realloc(struct mp_audio *mpa, int samples)
{
assert(samples >= 0);
if (samples >= INT_MAX / mpa->sstride)
abort(); // oom
int size = MPMAX(samples * mpa->sstride, 1);
for (int n = 0; n < mpa->num_planes; n++) {
if (size != mpa->allocated[n]) {