lkml.org 
[lkml]   [2022]   [Nov]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: WARNING: CPU: 0 PID: 0 at arch/x86/include/asm/kfence.h:46 kfence_protect
On Mon, 21 Nov 2022 at 08:28, Naresh Kamboju <naresh.kamboju@linaro.org> wrote:
>
> Hi Dave,
>
> On Fri, 18 Nov 2022 at 05:24, Dave Hansen <dave.hansen@intel.com> wrote:
> >
> > On 11/17/22 15:23, Marco Elver wrote:
> > > Yes - it's the 'level != PG_LEVEL_4K'.
> >
> > That plus the bisect made it pretty easy to find, thanks for the effort!
> >
> > Could you double-check that the attached patch fixes it? It seemed to
> > for me.
>
> I have applied the attached patch on Linux next 20221118 and tested [1].
> The reported issue has been fixed now.
>
> Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
> Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
> Tested-by: Naresh Kamboju <naresh.kamboju@linaro.org>
>
> OTOH,
> I request you to walk through the boot and test log [1] (new see few failures).
> not ok 7 - test_double_free
> not ok 9 - test_invalid_addr_free
> not ok 11 - test_corruption
> not ok 18 - test_kmalloc_aligned_oob_write
> # kfence: pass:19 fail:4 skip:2 total:25
> # Totals: pass:19 fail:4 skip:2 total:25
> not ok 6 - kfence

Fixed by https://lkml.kernel.org/r/20221118152216.3914899-1-elver@google.com

\
 
 \ /
  Last update: 2022-11-21 09:45    [W:0.993 / U:0.140 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site