lkml.org 
[lkml]   [2022]   [Feb]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] KVM: x86: Forcibly leave nested virt when SMM state is toggled
On 2/18/22 08:58, Sean Christopherson wrote:
> This SMM-specific patch fixes something different, the bug that you are still
> hitting is the FNAME(cmpxchg_gpte) mess. The uaccess CMPXCHG series[*] that
> properly fixes that issue hasn't been merged yet.
>
> ==================================================================
> BUG: KASAN: use-after-free in ept_cmpxchg_gpte.constprop.0+0x3c3/0x590
> Write of size 8 at addr ffff888010000000 by task repro/5633
>
> [*]https://lore.kernel.org/all/20220202004945.2540433-1-seanjc@google.com
>

Ok, that's good. I will keep an eye on it and give it a try then.
--
Thanks,
Tadeusz

\
 
 \ /
  Last update: 2022-02-18 18:23    [W:0.312 / U:0.060 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site