Re: [PATCH v10 3/6] stack: Optionally randomize kernel stack offset each syscall

2021-04-07 Thread Will Deacon
On Thu, Apr 01, 2021 at 04:23:44PM -0700, Kees Cook wrote: > This provides the ability for architectures to enable kernel stack base > address offset randomization. This feature is controlled by the boot > param "randomize_kstack_offset=on/off", with its default value set by >

[PATCH v10 3/6] stack: Optionally randomize kernel stack offset each syscall

2021-04-01 Thread Kees Cook
This provides the ability for architectures to enable kernel stack base address offset randomization. This feature is controlled by the boot param "randomize_kstack_offset=on/off", with its default value set by CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT. This feature is based on the original idea