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Date: Mon, 2 Nov 2020 06:03:45 +0100
From: Jacek <wampir990@...il.com>
To: lkrg-users@...ts.openwall.com
Subject: Fwd: Re: P_LKRG error in Linux 5.9.3
This is the latest LKRG commit:
Kernel date (timezone Europe/Warsaw):
-rw------- 1 root root 12699920 11-02 04:12 /boot/vmlinuz-5.9.3-g1
This is the latest LKRG commit:
After booting the machine on the new kernel, I did (same as always):
make clean
git pull
make -j5
make install
In this time (pon lis 02 05:59:24 ):
# G1 Gentuś ### pon lis 02 05:59:24 domek : /ssdtmp/lkrg
# root ~> git pull
Already up to date.
Cheers
------------------------------------------------------------------------
*Od:* Adam Zabrocki <pi3@....com.pl>
*Wysłane:* November 2, 2020 4:40:57 AM UTC
*Do:* lkrg-users@...ts.openwall.com
*Temat:* Re: [lkrg-users] P_LKRG error in Linux 5.9.3
Hi,
Can you try LKRG with the latest patches (pushed today) and verify if you see
the same problem?
Thanks,
Adam
On Mon, Nov 02, 2020 at 05:02:04AM +0100, Jacek wrote:
HI LKRG version: # root ~> modinfo p_lkrg filename:
/lib/modules/5.9.3-g1/extra/p_lkrg.ko license: GPL v2
description: pi3's Linux kernel Runtime Guard author:
Adam 'pi3' Zabrocki (http://pi3.com.pl <http://pi3.com.pl>)
srcversion: EEC95B0840D6CC7AA27D2E3 depends: retpoline: Y
name: p_lkrg vermagic: 5.9.3-g1 SMP preempt
mod_unload modversions
RANDSTRUCT_PLUGIN_366bedefd89976f1b4c46144945391fda92f7f7735ea0773c232d89a1537a832
sig_id: PKCS#7 signer: domek.cert sig_key:
9B:90:A7:9D:13:60:77:B8 sig_hashalgo: sha512 The following message
appears periodically in logs and tty consoles: [ 1753.134389] BUG:
workqueue leaked lock or atomic: kworker/u8:0/0x00000001/1102
last function: p_check_integrity [p_lkrg] [
1753.134397] CPU: 3 PID: 1102 Comm: kworker/u8:0 Tainted: G
WC O T 5.9.3-g1 #2 [ 1753.134400] Hardware name: Gigabyte Technology
Co., Ltd. Z97-D3H/Z97-D3H-CF, BIOS F9 09/18/2015 [ 1753.134408]
Workqueue: events_unbound p_check_integrity [p_lkrg] [ 1753.134411]
Call Trace: [ 1753.134422] dump_stack+0x57/0x70 [ 1753.134430]
process_one_work.cold+0x2b/0x30 [ 1753.134436] ?
process_one_work+0x2e0/0x2e0 [ 1753.134440]
worker_thread+0x4b/0x390 [ 1753.134445] ?
process_one_work+0x2e0/0x2e0 [ 1753.134449] kthread+0x118/0x160 [
1753.134453] ? kthread_park+0x80/0x80 [ 1753.134458]
ret_from_fork+0x22/0x30 [ 1753.134465] BUG: scheduling while atomic:
kworker/u8:0/1102/0x00000002 [ 1753.134467] Modules linked in:
p_lkrg(O) r8188eu(C) lib80211 [ 1753.134473] Preemption disabled at:
[ 1753.134480] [<ffffffffc0423328>] p_check_integrity+0xf8/0x1140
[p_lkrg] [ 1753.134484] CPU: 3 PID: 1102 Comm: kworker/u8:0 Tainted:
G WC O T 5.9.3-g1 #2 [ 1753.134486] Hardware name: Gigabyte
Technology Co., Ltd. Z97-D3H/Z97-D3H-CF, BIOS F9 09/18/2015 [
1753.134489] Workqueue: 0x0 (events_unbound) [ 1753.134492] Call
Trace: [ 1753.134497] dump_stack+0x57/0x70 [ 1753.134503]
__schedule_bug.cold+0x83/0x91 [ 1753.134509] __schedule+0x5fc/0x6c0
[ 1753.134514] ? process_one_work+0x2e0/0x2e0 [ 1753.134518]
schedule+0x44/0xe0 [ 1753.134522] worker_thread+0xc1/0x390 [
1753.134527] ? process_one_work+0x2e0/0x2e0 [ 1753.134530]
kthread+0x118/0x160 [ 1753.134534] ? kthread_park+0x80/0x80 [
1753.134537] ret_from_fork+0x22/0x30 [ 1768.493370] BUG: workqueue
leaked lock or atomic: kworker/u8:0/0x00000001/1102
last function: p_check_integrity [p_lkrg] [
1768.493378] CPU: 0 PID: 1102 Comm: kworker/u8:0 Tainted: G
WC O T 5.9.3-g1 #2 [ 1768.493381] Hardware name: Gigabyte Technology
Co., Ltd. Z97-D3H/Z97-D3H-CF, BIOS F9 09/18/2015 [ 1768.493390]
Workqueue: events_unbound p_check_integrity [p_lkrg] [ 1768.493393]
Call Trace: [ 1768.493405] dump_stack+0x57/0x70 [ 1768.493414]
process_one_work.cold+0x2b/0x30 [ 1768.493420] ?
process_one_work+0x2e0/0x2e0 [ 1768.493424]
worker_thread+0x4b/0x390 [ 1768.493430] ?
process_one_work+0x2e0/0x2e0 [ 1768.493434] kthread+0x118/0x160 [
1768.493438] ? kthread_park+0x80/0x80 [ 1768.493443]
ret_from_fork+0x22/0x30 [ 1768.493451] BUG: scheduling while atomic:
kworker/u8:0/1102/0x00000002 [ 1768.493453] Modules linked in:
p_lkrg(O) r8188eu(C) lib80211 [ 1768.493459] Preemption disabled at:
[ 1768.493467] [<ffffffffc0423328>] p_check_integrity+0xf8/0x1140
[p_lkrg] [ 1768.493471] CPU: 0 PID: 1102 Comm: kworker/u8:0 Tainted:
G WC O T 5.9.3-g1 #2 [ 1768.493473] Hardware name: Gigabyte
Technology Co., Ltd. Z97-D3H/Z97-D3H-CF, BIOS F9 09/18/2015 [
1768.493477] Workqueue: 0x0 (events_unbound) [ 1768.493480] Call
Trace: [ 1768.493485] dump_stack+0x57/0x70 [ 1768.493491]
__schedule_bug.cold+0x83/0x91 [ 1768.493497] __schedule+0x5fc/0x6c0
[ 1768.493503] ? process_one_work+0x2e0/0x2e0 [ 1768.493507]
schedule+0x44/0xe0 [ 1768.493512] worker_thread+0xc1/0x390 [
1768.493517] ? process_one_work+0x2e0/0x2e0 [ 1768.493521]
kthread+0x118/0x160 [ 1768.493524] ? kthread_park+0x80/0x80 [
1768.493528] ret_from_fork+0x22/0x30 Cheers
--
pi3 (pi3ki31ny) - pi3 (at) itsec pl
http://pi3.com.pl <http://pi3.com.pl>
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