Re: [PATCH] selinux: clean up selinuxfs resources on init failure

[Paul Moore <paul@paul-moore.com>]

On Jun 22, 2026 Haoxiang Li <haoxiang_li2024@163.com> wrote:
> 
> init_sel_fs() creates the selinuxfs mount point and registers the
> filesystem before mounting selinuxfs internally. If kern_mount()
> or the subsequent lookup of the null file fails, the function
> returns without undoing the resources that were already registered.
> 
> Add the missing error unwinding so the internal mount, filesystem
> registration, and sysfs mount point are released as appropriate.
> 
> Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
> Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>
> ---
>  security/selinux/selinuxfs.c | 19 +++++++++++++------
>  1 file changed, 13 insertions(+), 6 deletions(-)

As Stephen already pointed out, the cleanup isn't critical as the system
is going to fall over any die anyway, but it shouldn't hurt.  Merged into
selinux/dev.

--
paul-moore.com