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-rw-r--r--kernel/perf_counter.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 5229d1666fa5..b0b20a07f394 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -3787,6 +3787,14 @@ static void tp_perf_counter_destroy(struct perf_counter *counter)
3787 3787
3788static const struct pmu *tp_perf_counter_init(struct perf_counter *counter) 3788static const struct pmu *tp_perf_counter_init(struct perf_counter *counter)
3789{ 3789{
3790 /*
3791 * Raw tracepoint data is a severe data leak, only allow root to
3792 * have these.
3793 */
3794 if ((counter->attr.sample_type & PERF_SAMPLE_RAW) &&
3795 !capable(CAP_SYS_ADMIN))
3796 return ERR_PTR(-EPERM);
3797
3790 if (ftrace_profile_enable(counter->attr.config)) 3798 if (ftrace_profile_enable(counter->attr.config))
3791 return NULL; 3799 return NULL;
3792 3800