| From | Jann Horn <> | Date | Thu, 29 Oct 2020 02:06:21 +0100 | Subject | Re: [PATCH v22 06/12] fs,security: Add sb_delete hook |
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On Tue, Oct 27, 2020 at 9:04 PM Mickaël Salaün <mic@digikod.net> wrote: > The sb_delete security hook is called when shutting down a superblock, > which may be useful to release kernel objects tied to the superblock's > lifetime (e.g. inodes). > > This new hook is needed by Landlock to release (ephemerally) tagged > struct inodes. This comes from the unprivileged nature of Landlock > described in the next commit. > > Cc: Al Viro <viro@zeniv.linux.org.uk> > Cc: James Morris <jmorris@namei.org> > Cc: Jann Horn <jannh@google.com> > Cc: Kees Cook <keescook@chromium.org> > Cc: Serge E. Hallyn <serge@hallyn.com> > Signed-off-by: Mickaël Salaün <mic@linux.microsoft.com>
Reviewed-by: Jann Horn <jannh@google.com>
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