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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