Description: aiptek: crash on invalid USB device descriptors 
References:
 - https://bugzilla.redhat.com/show_bug.cgi?id=1285326
 - https://www.spinics.net/lists/linux-input/msg42294.html
 - https://os-s.net/advisories/OSS-2016-05_aiptek.pdf
Notes:
Bugs:
upstream: released (4.4-rc6) [8e20cf2bce122ce9262d6034ee5d5b76fbb92f96]
3.16-upstream-stable: released (3.16.7-ckt26) [24b12688c53a46545a723cf084e25afde2ba39f3]
3.2-upstream-stable: released (3.2.79) [input-aiptek-fix-crash-on-detecting-device-without-endpoints.patch]
sid: released (4.4.2-1)
3.16-jessie-security: released (3.16.7-ckt25-2+deb8u1) [bugfix/all/input-aiptek-fix-crash-on-detecting-device-without-e.patch]
3.2-wheezy-security: released (3.2.81-1)