On 2021/03/23 21:09, Mimi Zohar wrote: > Please take a look at the newer version of this patch. Do you want to > add any tags? Oh, I didn't know that you already posted the newer version. > diff --git a/security/integrity/iint.c b/security/integrity/iint.c > index 1d20003243c3..0ba01847e836 100644 > --- a/security/integrity/iint.c > +++ b/security/integrity/iint.c > @@ -98,6 +98,14 @@ struct integrity_iint_cache *integrity_inode_get(struct inode *inode) > struct rb_node *node, *parent = NULL; > struct integrity_iint_cache *iint, *test_iint; > > + /* > + * The integrity's "iint_cache" is initialized at security_init(), > + * unless it is not included in the ordered list of LSMs enabled > + * on the boot command line. > + */ > + if (!iint_cache) > + panic("%s: lsm=integrity required.\n", __func__); > + This looks strange. If "lsm=" parameter must include "integrity", it implies that nobody is allowed to disable "integrity" at boot. Then, why not unconditionally call integrity_iintcache_init() by not counting on DEFINE_LSM(integrity) declaration? > iint = integrity_iint_find(inode); > if (iint) > return iint; >