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Date: Tue, 9 Jun 2020 05:20:31 +0200
From: Adam Zabrocki <pi3@....com.pl>
To: lkrg-users@...ts.openwall.com
Subject: Re: RE: Please also share your .config file.
Hi,
So my presumptions was right. Second part of my previous message applies and
you can use temporary workaround:
https://www.openwall.com/lists/lkrg-users/2020/06/08/4
Thanks,
Adam
On Tue, Jun 09, 2020 at 02:07:08AM +0200, Jacek wrote:
> Hi
>
> Linux domek 5.7.1-g2 #1 SMP PREEMPT Mon Jun 8 10:17:00 CEST 2020 x86_64
> Intel(R) Core(TM) i5-4590S CPU @ 3.00GHz GenuineIntel GNU/Linux
> # root ~> cat /proc/kallsyms |grep ttwu_do_wakeup
> ffffffffb5dcf350 t ttwu_do_wakeup.isra.0
>
> > As you can see this function is normally visible in all kernels (including
> > 5.7).
> > Please also share your .config file.
>
> The same configuration as in kernel 5.7.0 in this message:
>
> https://www.openwall.com/lists/lkrg-users/2020/06/08/1
>
> Current - linux-5.7.1 - gentoo-sources-5.7.1
>
> Linux version 5.7.1-g2 (root@...ek) (gcc version 9.3.0 (Gentoo Hardened
> 9.3.0 p2), GNU ld (Gentoo 2.33.1 p2) 2.33.1)
>
> patches from Gentoo: https://pastebin.com/uYBXBkhf
>
> patches locally:
>
> 001_v3_jump_label-_Provide_CONFIG-driven_build_state.patch
> 002_v3_init_on_alloc-_Unpessimize_default-on_builds.patch
> 003_v3_stack-_Optionally_randomize_kernel_stack_offset_each_syscall.patch
> 004_v3_x86_entry-_Enable_random_kstack_offset_support.patch
> 005_v3_arm64-_entry-_Enable_random_kstack_offset_support.patch
> (Mikhail Morfikov uses the same patches, I have these patches from him )
>
> zcat /proc/config.gz:
>
> https://pastebin.com/raw/0xmig8sW
>
>
> ### <lkrg-users@...ts.openwall.com>:
> ### ezmlm-reject: fatal: Sorry, I don't accept messages larger than
> 204800 bytes (#5.2.3)
>
>
> ()
>
> Thanks
>
> Jacek
>
>
> W dniu 08.06.2020 o 22:55, Adam Zabrocki pisze:
> > Hi,
> >
> > I believe I've replied to your private email which you've sent to me.
> > However, I'm pasting it here as well:
> >
> > --- CUT ---
> > Hi,
> >
> > It looks like you have very non-standard kernel. LKRG can't find the
> > function
> > "ttwu_do_wakeup" (which is not normal). You can manually verify
> > availability of
> > that symbol by running the following command:
> >
> > # uname -a
> > Linux pi3 5.7.0-050700-generic #202005312130 SMP Mon Jun 1 01:33:12
> > UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
> > # cat /proc/kallsyms |grep ttwu_do_wakeup
> > ffffffff912ddd50 t ttwu_do_wakeup
> > #
> >
> > As you can see this function is normally visible in all kernels
> > (including 5.7).
> > Please also share your .config file.
> >
> > Thanks,
> > Adam
--
pi3 (pi3ki31ny) - pi3 (at) itsec pl
http://pi3.com.pl
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