Description: vt: keyboard: avoid signed integer overflow in k_ascii
References:
 https://lkml.org/lkml/2020/3/22/482
Notes:
Bugs:
upstream: pending [b86dab054059b970111b5516ae548efaae5b3aae]
4.19-upstream-stable:
4.9-upstream-stable:
3.16-upstream-stable:
sid:
4.19-buster-security:
4.9-stretch-security:
3.16-jessie-security: