From: Paul Moore <paul@paul-moore.com>
To: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org, torvalds@linux-foundation.org,
brauner@kernel.org, jack@suse.cz, raven@themaw.net,
miklos@szeredi.hu, neil@brown.name, a.hindborg@kernel.org,
linux-mm@kvack.org, linux-efi@vger.kernel.org,
ocfs2-devel@lists.linux.dev, kees@kernel.org,
rostedt@goodmis.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, casey@schaufler-ca.com,
linuxppc-dev@lists.ozlabs.org, john.johansen@canonical.com,
selinux@vger.kernel.org, borntraeger@linux.ibm.com,
bpf@vger.kernel.org
Subject: Re: [PATCH v2 33/50] selinuxfs: don't stash the dentry of /policy_capabilities
Date: Tue, 28 Oct 2025 20:08:07 -0400 [thread overview]
Message-ID: <CAHC9VhSeiK=qqLMUDAKRTgS5EEHdVvLD7-afuDqJWYFindvfUA@mail.gmail.com> (raw)
In-Reply-To: <20251028004614.393374-34-viro@zeniv.linux.org.uk>
On Mon, Oct 27, 2025 at 8:46 PM Al Viro <viro@zeniv.linux.org.uk> wrote:
>
> Don't bother to store the dentry of /policy_capabilities - it belongs
> to invariant part of tree and we only use it to populate that directory,
> so there's no reason to keep it around afterwards.
>
> Same situation as with /avc, /ss, etc. There are two directories that
> get replaced on policy load - /class and /booleans. These we need to
> stash (and update the pointers on policy reload); /policy_capabilities
> is not in the same boat.
>
> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
> ---
> security/selinux/selinuxfs.c | 21 +++++++++------------
> 1 file changed, 9 insertions(+), 12 deletions(-)
Acked-by: Paul Moore <paul@paul-moore.com>
--
paul-moore.com
next prev parent reply other threads:[~2025-10-29 0:08 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-28 0:45 [PATCH v2 00/50] tree-in-dcache stuff Al Viro
2025-10-28 0:45 ` [PATCH v2 01/50] fuse_ctl_add_conn(): fix nlink breakage in case of early failure Al Viro
2025-10-28 0:45 ` [PATCH v2 02/50] tracefs: fix a leak in eventfs_create_events_dir() Al Viro
2025-10-28 1:15 ` Steven Rostedt
2025-10-28 0:45 ` [PATCH v2 03/50] new helper: simple_remove_by_name() Al Viro
2025-10-28 0:45 ` [PATCH v2 04/50] new helper: simple_done_creating() Al Viro
2025-10-28 0:45 ` [PATCH v2 05/50] introduce a flag for explicitly marking persistently pinned dentries Al Viro
2025-10-28 0:45 ` [PATCH v2 06/50] primitives for maintaining persisitency Al Viro
2025-10-28 12:38 ` James Bottomley
2025-10-29 5:10 ` Al Viro
2025-10-29 15:25 ` James Bottomley
2025-10-28 0:45 ` [PATCH v2 07/50] convert simple_{link,unlink,rmdir,rename,fill_super}() to new primitives Al Viro
2025-10-29 14:02 ` [External] : " Mark Tinguely
2025-10-29 17:55 ` Al Viro
2025-10-28 0:45 ` [PATCH v2 08/50] convert ramfs and tmpfs Al Viro
2025-10-28 0:45 ` [PATCH v2 09/50] procfs: make /self and /thread_self dentries persistent Al Viro
2025-10-28 0:45 ` [PATCH v2 10/50] configfs, securityfs: kill_litter_super() not needed Al Viro
2025-10-28 23:58 ` Paul Moore
2025-10-29 6:18 ` Andreas Hindborg
2025-10-28 0:45 ` [PATCH v2 11/50] convert xenfs Al Viro
2025-10-28 0:45 ` [PATCH v2 12/50] convert smackfs Al Viro
2025-10-28 0:45 ` [PATCH v2 13/50] convert hugetlbfs Al Viro
2025-10-28 0:45 ` [PATCH v2 14/50] convert mqueue Al Viro
2025-10-28 0:45 ` [PATCH v2 15/50] convert bpf Al Viro
2025-10-28 0:45 ` [PATCH v2 16/50] convert dlmfs Al Viro
2025-10-28 0:45 ` [PATCH v2 17/50] convert fuse_ctl Al Viro
2025-10-28 0:45 ` [PATCH v2 18/50] convert pstore Al Viro
2025-10-28 0:45 ` [PATCH v2 19/50] convert tracefs Al Viro
2025-10-28 15:37 ` Steven Rostedt
2025-10-28 0:45 ` [PATCH v2 20/50] convert debugfs Al Viro
2025-10-28 0:45 ` [PATCH v2 21/50] debugfs: remove duplicate checks in callers of start_creating() Al Viro
2025-10-28 0:45 ` [PATCH v2 22/50] convert efivarfs Al Viro
2025-10-28 12:53 ` James Bottomley
2025-10-28 17:45 ` Al Viro
2025-10-28 21:08 ` Al Viro
2025-10-28 21:34 ` Ard Biesheuvel
2025-10-29 18:08 ` Al Viro
2025-10-29 18:26 ` Ard Biesheuvel
2025-10-29 18:57 ` James Bottomley
2025-10-29 19:37 ` Al Viro
2025-10-29 19:48 ` James Bottomley
2025-10-30 13:35 ` Ard Biesheuvel
2025-10-28 0:45 ` [PATCH v2 23/50] convert spufs Al Viro
2025-10-28 1:15 ` bot+bpf-ci
2025-10-28 1:33 ` Al Viro
2025-10-28 0:45 ` [PATCH v2 24/50] convert ibmasmfs Al Viro
2025-10-28 0:45 ` [PATCH v2 25/50] ibmasmfs: get rid of ibmasmfs_dir_ops Al Viro
2025-10-28 0:45 ` [PATCH v2 26/50] convert devpts Al Viro
2025-10-28 0:45 ` [PATCH v2 27/50] binderfs: use simple_start_creating() Al Viro
2025-10-28 0:45 ` [PATCH v2 28/50] binderfs_binder_ctl_create(): kill a bogus check Al Viro
2025-10-28 0:45 ` [PATCH v2 29/50] convert binderfs Al Viro
2025-10-28 0:45 ` [PATCH v2 30/50] autofs_{rmdir,unlink}: dentry->d_fsdata->dentry == dentry there Al Viro
2025-10-28 0:45 ` [PATCH v2 31/50] convert autofs Al Viro
2025-10-28 1:55 ` Al Viro
2025-10-28 5:32 ` Linus Torvalds
2025-10-28 0:45 ` [PATCH v2 32/50] convert binfmt_misc Al Viro
2025-10-28 0:45 ` [PATCH v2 33/50] selinuxfs: don't stash the dentry of /policy_capabilities Al Viro
2025-10-29 0:08 ` Paul Moore [this message]
2025-10-29 15:19 ` Stephen Smalley
2025-10-28 0:45 ` [PATCH v2 34/50] selinuxfs: new helper for attaching files to tree Al Viro
2025-10-28 23:51 ` Paul Moore
2025-10-29 15:22 ` Stephen Smalley
2025-10-28 0:45 ` [PATCH v2 35/50] convert selinuxfs Al Viro
2025-10-29 0:02 ` Paul Moore
2025-10-29 3:24 ` Al Viro
2025-10-29 14:49 ` Paul Moore
2025-10-29 15:06 ` Stephen Smalley
2025-10-28 0:45 ` [PATCH v2 36/50] functionfs: switch to simple_remove_by_name() Al Viro
2025-10-28 8:47 ` Greg KH
2025-10-28 0:45 ` [PATCH v2 37/50] convert functionfs Al Viro
2025-10-28 0:45 ` [PATCH v2 38/50] gadgetfs: switch to simple_remove_by_name() Al Viro
2025-10-28 0:45 ` [PATCH v2 39/50] convert gadgetfs Al Viro
2025-10-28 0:45 ` [PATCH v2 40/50] hypfs: don't pin dentries twice Al Viro
2025-10-28 0:46 ` [PATCH v2 41/50] hypfs: switch hypfs_create_str() to returning int Al Viro
2025-10-28 0:46 ` [PATCH v2 42/50] hypfs: swich hypfs_create_u64() " Al Viro
2025-10-28 0:46 ` [PATCH v2 43/50] convert hypfs Al Viro
2025-10-28 0:46 ` [PATCH v2 44/50] convert rpc_pipefs Al Viro
2025-10-28 0:46 ` [PATCH v2 45/50] convert nfsctl Al Viro
2025-10-28 0:46 ` [PATCH v2 46/50] convert rust_binderfs Al Viro
2025-10-28 0:46 ` [PATCH v2 47/50] get rid of kill_litter_super() Al Viro
2025-10-28 0:46 ` [PATCH v2 48/50] convert securityfs Al Viro
2025-10-29 0:10 ` Paul Moore
2025-10-28 0:46 ` [PATCH v2 49/50] kill securityfs_recursive_remove() Al Viro
2025-10-29 0:04 ` Paul Moore
2025-10-28 0:46 ` [PATCH v2 50/50] d_make_discardable(): warn if given a non-persistent dentry Al Viro
2025-10-28 0:59 ` [PATCH v2 00/50] tree-in-dcache stuff Al Viro
2025-10-28 5:33 ` Linus Torvalds
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='CAHC9VhSeiK=qqLMUDAKRTgS5EEHdVvLD7-afuDqJWYFindvfUA@mail.gmail.com' \
--to=paul@paul-moore.com \
--cc=a.hindborg@kernel.org \
--cc=borntraeger@linux.ibm.com \
--cc=bpf@vger.kernel.org \
--cc=brauner@kernel.org \
--cc=casey@schaufler-ca.com \
--cc=gregkh@linuxfoundation.org \
--cc=jack@suse.cz \
--cc=john.johansen@canonical.com \
--cc=kees@kernel.org \
--cc=linux-efi@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-usb@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=miklos@szeredi.hu \
--cc=neil@brown.name \
--cc=ocfs2-devel@lists.linux.dev \
--cc=raven@themaw.net \
--cc=rostedt@goodmis.org \
--cc=selinux@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
--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).