On Tue, Jan 25, 2022 at 05:46:33PM -0500, Stefan Berger wrote:
From: Stefan Berger <stefanb@xxxxxxxxxxxxx>I'd double-check that this cannot be used to cause rcu stalls when a lot
Move the ima_lsm_policy_notifier into the ima_namespace. Each IMA
namespace can now register its own LSM policy change notifier callback.
The policy change notifier for the init_ima_ns still remains in init_ima()
and therefore handle the registration of the callback for all other
namespaces in init_ima_namespace().
Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
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of ima namespace with a lot of rules are used leading to a dos situation
during LSM policy update. The good thing at least is that an LSM policy
update can only be triggered for selinux for the whole system.