Re: [PATCH 2/2] fanotify: call fanotify_events_supported() before path_permission() and security_path_notify()

[Paul Moore]

On Mon, Feb 16, 2026 at 10:14 AM Ondrej Mosnacek <omosnace@xxxxxxxxxx> wrote:
>
> The latter trigger LSM (e.g. SELinux) checks, which will log a denial
> when permission is denied, so it's better to do them after validity
> checks to avoid logging a denial when the operation would fail anyway.
>
> Fixes: 0b3b094ac9a7 ("fanotify: Disallow permission events for proc filesystem")
> Signed-off-by: Ondrej Mosnacek <omosnace@xxxxxxxxxx>
> ---
>  fs/notify/fanotify/fanotify_user.c | 25 ++++++++++---------------
>  1 file changed, 10 insertions(+), 15 deletions(-)

Reviewed-by: Paul Moore <paul@xxxxxxxxxxxxxx>

-- 
paul-moore.com