From: srinivas pandruvada <srinivas.pandruvada@linux.intel.com>
To: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>,
LKML <linux-kernel@vger.kernel.org>,
rjw@rjwysocki.net
Cc: regressions@lists.linux.dev, regressions@leemhuis.info,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
Robert Moore <robert.moore@intel.com>,
devel@acpica.org
Subject: Re: BUG: bisected: thermald regression (MEMLEAK) in commit c7ff29763989bd09c433f73fae3c1e1c15d9cda4
Date: Wed, 26 Oct 2022 15:48:35 -0700 [thread overview]
Message-ID: <180b1a4fb9cf78c8905f275e0373e009224d4639.camel@linux.intel.com> (raw)
In-Reply-To: <6c2f47c8-d6b5-074a-4c8f-e9cd04f62ef4@alu.unizg.hr>
On Wed, 2022-10-26 at 19:52 +0200, Mirsad Goran Todorovac wrote:
> Dear all,
>
> On 24. 10. 2022. 20:56, Mirsad Goran Todorovac wrote:
> > On 24. 10. 2022. 20:39, srinivas pandruvada wrote:
> >
> > > > Thank you for the patch. Unfortunately, when applied to v6.0.3
> > > > it
> > > > didn't
> > > > fix the issue.
> > > Thanks for the test. I copied to acpi and acpica mailing list.
> > > Someone
> > > can tell us what is this call doing wrong here.
>
> I have worse news: after every
>
> # systemctl stop thermald
> # systemctl start thermald
>
> the number of leaks increases by one allocated block (apparently 80
> bytes). The effect appears to be
> cummulative.
>
> Please find the results of the MEMLEAK scan in the attachment.
>
> In theory, motivated adversary could theoretically exhaust i.e. 8
> GiB
> in a loop of 10 million thermald stops/starts,
Of course it needs to be debugged. To start/stop systemctl service you
need root access. If you have root access, there are other worse things
can be done.
Thanks,
Srinivas
> on my laptop and 2 sec for stop+start, it would be approx. 230 days.
>
> Hope this helps.
>
> Mirsad
>
> --
>
> Mirsad Goran Todorovac
> Sistem inženjer
> Grafički fakultet | Akademija likovnih umjetnosti
> Sveučilište u Zagrebu
next prev parent reply other threads:[~2022-10-26 22:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <e0f06714-5a49-a4e6-24e6-c4103c820819@alu.unizg.hr>
2022-10-24 15:51 ` BUG: bisected: thermald regression (MEMLEAK) in commit c7ff29763989bd09c433f73fae3c1e1c15d9cda4 srinivas pandruvada
2022-10-24 18:34 ` Mirsad Goran Todorovac
2022-10-24 18:39 ` srinivas pandruvada
2022-10-24 18:56 ` Mirsad Goran Todorovac
2022-10-26 17:52 ` Mirsad Goran Todorovac
2022-10-26 22:48 ` srinivas pandruvada [this message]
[not found] ` <78e347e9-c8b1-f228-ca32-0ad6186a6285@alu.unizg.hr>
2022-10-27 18:20 ` Mirsad Goran Todorovac
2022-10-28 18:25 ` Rafael J. Wysocki
2022-11-15 10:36 ` Thorsten Leemhuis
2022-11-15 11:17 ` Mirsad Goran Todorovac
2022-11-15 14:40 ` Mirsad Goran Todorovac
2022-11-15 14:49 ` Rafael J. Wysocki
2022-11-15 18:57 ` Mirsad Goran Todorovac
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=180b1a4fb9cf78c8905f275e0373e009224d4639.camel@linux.intel.com \
--to=srinivas.pandruvada@linux.intel.com \
--cc=devel@acpica.org \
--cc=linux-acpi@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mirsad.todorovac@alu.unizg.hr \
--cc=regressions@leemhuis.info \
--cc=regressions@lists.linux.dev \
--cc=rjw@rjwysocki.net \
--cc=robert.moore@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).