audit: make ANOM_LINK obey audit_enabled and audit_dummy_context

Audit link denied events emit disjointed records when audit is disabled. No records should be emitted when audit is disabled. See: linux-audit/audit-kernel#21 Signed-off-by: Richard Guy Briggs <[email protected]> Signed-off-by: Paul Moore <[email protected]>
ashr · Mar 9, 2018 · 15564ff · 15564ff
1 parent 11dd266
commit 15564ff
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/kernel/audit.c b/kernel/audit.c
@@ -2315,6 +2315,9 @@ void audit_log_link_denied(const char *operation, const struct path *link)
 	struct audit_buffer *ab;
 	struct audit_names *name;
 
+	if (!audit_enabled || audit_dummy_context())
+		return;
+
 	name = kzalloc(sizeof(*name), GFP_NOFS);
 	if (!name)
 		return;