Message ID | 1402067036-11559-1-git-send-email-luis.henriques@canonical.com |
---|---|
State | New |
Headers | show |
diff --git a/kernel/events/core.c b/kernel/events/core.c index 9c511b4296db..fe0c665c54d2 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6816,6 +6816,9 @@ SYSCALL_DEFINE5(perf_event_open, if (attr.freq) { if (attr.sample_freq > sysctl_perf_event_sample_rate) return -EINVAL; + } else { + if (attr.sample_period & (1ULL << 63)) + return -EINVAL; } /*