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-rw-r--r--kernel/events/core.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 275eae05af20..4655adbbae10 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -10917,6 +10917,13 @@ SYSCALL_DEFINE5(perf_event_open,
perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN))
return -EACCES;
+ err = security_locked_down(LOCKDOWN_PERF);
+ if (err && (attr.sample_type & PERF_SAMPLE_REGS_INTR))
+ /* REGS_INTR can leak data, lockdown must prevent this */
+ return err;
+
+ err = 0;
+
/*
* In cgroup mode, the pid argument is used to pass the fd
* opened to the cgroup directory in cgroupfs. The cpu argument