KASAN: slab-out-of-bounds Write in vgacon_scroll

[Sergey Senozhatsky]

Cc-ing Dmitry and Tetsuo

Original Message-id: CAA=061EoW8AmjUrBLsJy5nTDz-1jeArLeB+z6HJuyZud0zZXug at mail.gmail.com

On (20/01/29 23:17), Sergey Senozhatsky wrote:
> > Hmm. There is something strange about it. I use vga console quite
> > often, and scrolling happens all the time, yet I can't get the same
> > out-of-bounds report (nor have I ever seen it in the past), even with
> > the reproducer. Is it supposed to be executed as it is, or are there
> > any preconditions? Any chance that something that runs prior to that
> > reproducer somehow impacts the system? Just asking.
> 
> These questions were addressed to anon anon (742991625abc at gmail.com),
> not to Bartlomiej.

Could this be GCC_PLUGIN related?

	-ss