From: Shakeel Butt <shakeel.butt@linux.dev>
To: JP Kobryn <inwardvessel@gmail.com>
Cc: tj@kernel.org, mkoutny@suse.com, yosryahmed@google.com,
hannes@cmpxchg.org, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, cgroups@vger.kernel.org,
kernel-team@meta.com
Subject: Re: [PATCH cgroup/for-6.16-fixes] cgroup: avoid null de-ref in css_rstat_exit()
Date: Fri, 1 Aug 2025 10:38:24 -0700 [thread overview]
Message-ID: <ginu64khh7im4bc7k6xnqf6pqv2pcjreutluwf3mrwrqgyoet6@7u2xbtejr6gi> (raw)
In-Reply-To: <20250731192734.106214-1-inwardvessel@gmail.com>
On Thu, Jul 31, 2025 at 12:27:34PM -0700, JP Kobryn wrote:
> This function
Name the function i.e. css_rstat_exit()
> may be called asynchronously in scenarios where preceding
> calls to css_rstat_init() have not completed.
Explain some (or just one) of these scenarios in the commit.
> Return early in this case.
>
> Signed-off-by: JP Kobryn <inwardvessel@gmail.com>
> Suggested-by: Michal Koutný <mkoutny@suse.com>
> Fixes: 5da3bfa029d68 ("cgroup: use separate rstat trees for each subsystem")
> Reported-by: syzbot+8d052e8b99e40bc625ed@syzkaller.appspotmail.com
With the updated commit message, please include:
Acked-by: Shakeel Butt <shakeel.butt@linux.dev>
next prev parent reply other threads:[~2025-08-01 17:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-31 19:27 [PATCH cgroup/for-6.16-fixes] cgroup: avoid null de-ref in css_rstat_exit() JP Kobryn
2025-08-01 17:38 ` Shakeel Butt [this message]
-- strict thread matches above, loose matches on Subject: below --
2025-08-07 0:33 JP Kobryn
2025-08-09 18:46 ` Tejun Heo
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=ginu64khh7im4bc7k6xnqf6pqv2pcjreutluwf3mrwrqgyoet6@7u2xbtejr6gi \
--to=shakeel.butt@linux.dev \
--cc=akpm@linux-foundation.org \
--cc=cgroups@vger.kernel.org \
--cc=hannes@cmpxchg.org \
--cc=inwardvessel@gmail.com \
--cc=kernel-team@meta.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mkoutny@suse.com \
--cc=tj@kernel.org \
--cc=yosryahmed@google.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).