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Date: Mon, 2 Nov 2020 05:54:46 +0100
From: Jacek <wampir990@...il.com>
To: Jacek <wampir98@...il.com>, lkrg-users@...ts.openwall.com
Subject: Re: Fwd: Re: P_LKRG error in Linux 5.9.3
W dniu 02.11.2020 o 05:53, Jacek pisze:
>
>
> ------------------------------------------------------------------------
> *Od:* Adam Zabrocki <pi3@....com.pl>
> *Wysłane:* November 2, 2020 4:40:57 AM UTC
> *Do:*
> *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>
>
>
> -- Wysłane za pomocą K-9 Mail.
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