tree d625bbe4f8fda2a27ebb24662479c825a2c90e35
parent 5be683d687b6b2b697d34274d7ae56af3f047549
author Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> 1429380568 +0200
committer Michael Niedermayer <michaelni@gmx.at> 1429399624 +0200

alsdec: validate time diff index

If begin is smaller than t, the subtraction 'begin -= t' wraps around,
because begin is unsigned. The same applies for end < t.

This causes segmentation faults.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit faf9fe2c224ea81a98afd53e2f0be0a2e13aeca9)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>