Re: KASAN: use-after-free Read in vc_do_resize; KASAN: use-after-free Read in screen_glyph_unicode;

[Greg KH]

On Tue, Jan 14, 2020 at 03:16:36PM +0800, wchenbt@xxxxxxxxxx wrote:
> Dear Linux kernel developers,
> 
> I found the crash "KASAN: use-after-free Read in vc_do_resize" and "KASAN:
> use-after-free Read in screen_glyph_unicode" when running syzkaller, hope
> it?s unknown:
> 
> Linux version: 1c163f4c7b3f Linux 5.0
> Branch: drivers/tty/vt/vt.c

"Branch" is a filename?

And 5.0 is almost a year old, please use a more modern kernel, like 5.4
at the very least.

And patches are the best way to fix syzbot issues, if you can still
reproduce this, sending a patch is the best way to get it fixed.

thanks,

greg k-h