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Date: Mon, 20 Jul 2020 10:00:07 +0200
From: Mikhail Morfikov <mmorfikov@...il.com>
To: lkrg-users@...ts.openwall.com
Subject: Re: kernel: BUG: unable to handle page fault for
address: ffffffffab42fee7
On 20/07/2020 00.22, Solar Designer wrote:
>
> What is your value of lkrg.umh_validate?
As I said in my previous message, this happens when the default sysctl settings
are used:
# sysctl -a | grep lkrg
lkrg.block_modules = 0
lkrg.heartbeat = 0
lkrg.hide = 0
lkrg.interval = 15
lkrg.kint_enforce = 2
lkrg.kint_validate = 3
lkrg.log_level = 3
lkrg.msr_validate = 0
lkrg.pcfi_enforce = 1
lkrg.pcfi_validate = 2
lkrg.pint_enforce = 1
lkrg.pint_validate = 2
lkrg.profile_enforce = 2
lkrg.profile_validate = 3
lkrg.smap_enforce = 0
lkrg.smap_validate = 0
lkrg.smep_enforce = 2
lkrg.smep_validate = 1
lkrg.trigger = 0
lkrg.umh_enforce = 1
lkrg.umh_validate = 1
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