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-rw-r--r--kernel/trace/ring_buffer.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 66358d66c933..4bf050fcfe3b 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -11,6 +11,7 @@
#include <linux/trace_seq.h>
#include <linux/spinlock.h>
#include <linux/irq_work.h>
+#include <linux/security.h>
#include <linux/uaccess.h>
#include <linux/hardirq.h>
#include <linux/kthread.h> /* for self test */
@@ -5068,6 +5069,11 @@ static __init int test_ringbuffer(void)
int cpu;
int ret = 0;
+ if (security_locked_down(LOCKDOWN_TRACEFS)) {
+ pr_warning("Lockdown is enabled, skipping ring buffer tests\n");
+ return 0;
+ }
+
pr_info("Running ring buffer tests...\n");
buffer = ring_buffer_alloc(RB_TEST_BUFFER_SIZE, RB_FL_OVERWRITE);