Description: vt: vt_ioctl: fix race in VT_RESIZEX
References:
Notes:
 carnil> For 5.5.y fixed in 5.5.7.
Bugs:
upstream: released (5.6-rc3) [6cd1ed50efd88261298577cd92a14f2768eddeeb]
5.10-upstream-stable: N/A "fixed before branch point"
4.19-upstream-stable: released (4.19.107) [ec9645f1a77eab98951944273754307e192e69ae]
sid: released (5.5.13-1)
5.10-bullseye-security: N/A "fixed before branch point"
4.19-buster-security: released (4.19.118-1)