Description: fbcon: Fix global-out-of-bounds read in fbcon_get_font()
References:
 https://bugzilla.suse.com/show_bug.cgi?id=1178886
Notes:
 carnil> Has dependency to 6735b4632def ("Fonts: Support FONT_EXTRA_WORDS macros for built-in fonts") and bb0890b4cd7f ("fbdev, newport_con: Move FONT_EXTRA_WORDS macros into linux/font.h").
Bugs:
upstream: released (5.9) [5af08640795b2b9a940c9266c0260455377ae262]
4.19-upstream-stable: released (4.19.151) [43198a5b1c42e3d8aadc6524a73bb3aa3666cd43]
4.9-upstream-stable: released (4.9.239) [0e3e69e0a8bc516e37ee3b496779b60e660b5ea5]
sid: released (5.9.1-1)
4.19-buster-security: released (4.19.152-1)
4.9-stretch-security: released (4.9.240-1)