4 Jan
2018
4 Jan
'18
12:37 a.m.
On Jan 3, 2018, at 4:33 PM, Benjamin Gilbert benjamin.gilbert@coreos.com wrote:
On Wed, Jan 03, 2018 at 10:20:16AM +0100, Greg Kroah-Hartman wrote: Ick, not good, any chance you can test 4.15-rc6 to verify that the issue is also there (or not)?
I haven't been able to reproduce this on 4.15-rc6.
Ah. Maybe try rebuilding a bad kernel with free_ldt_pgtables() modified to do nothing, and the read /sys/kernel/debug/page_tables/current (or current_kernel, or whatever it's called). The problem may be obvious.
--Benjamin Gilbert