From: Christian Brauner <brauner@kernel.org>
To: linux-fsdevel@vger.kernel.org
Cc: Christian Brauner <brauner@kernel.org>,
linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com,
viro@zeniv.linux.org.uk,
syzbot+8ac3859139c685c4f597@syzkaller.appspotmail.com,
stable@vger.kernel.org
Subject: Re: [PATCH] fs: drop peer group ids under namespace lock
Date: Fri, 31 Mar 2023 12:36:06 +0200 [thread overview]
Message-ID: <20230331-angler-enjoyer-820f825d7646@brauner> (raw)
In-Reply-To: <20230330-vfs-mount_setattr-propagation-fix-v1-1-37548d91533b@kernel.org>
On Thu, 30 Mar 2023 09:13:16 +0200, Christian Brauner wrote:
> When cleaning up peer group ids in the failure path we need to make sure
> to hold on to the namespace lock. Otherwise another thread might just
> turn the mount from a shared into a non-shared mount concurrently.
>
>
Ok, syzbot is happy with this as well so let's get this fixed and backported,
tree: git://git.kernel.org/pub/scm/linux/kernel/git/vfs/idmapping.git
branch: vfs.misc.fixes
[1/1] fs: drop peer group ids under namespace lock
commit: cb2239c198ad9fbd5aced22cf93e45562da781eb
prev parent reply other threads:[~2023-03-31 10:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <00000000000088694505f8132d77@google.com>
[not found] ` <000000000000a0139105f81888eb@google.com>
2023-03-30 7:13 ` [PATCH] fs: drop peer group ids under namespace lock Christian Brauner
2023-03-31 10:36 ` Christian Brauner [this message]
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=20230331-angler-enjoyer-820f825d7646@brauner \
--to=brauner@kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=syzbot+8ac3859139c685c4f597@syzkaller.appspotmail.com \
--cc=syzkaller-bugs@googlegroups.com \
--cc=viro@zeniv.linux.org.uk \
/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).