}
int perf_event__parse_sample(const union perf_event *event, u64 type,
- bool sample_id_all, struct perf_sample *data)
+ int sample_size, bool sample_id_all,
+ struct perf_sample *data)
{
const u64 *array;
array = event->sample.array;
+ if (sample_size + sizeof(event->header) > event->header.size)
+ return -EFAULT;
+
if (type & PERF_SAMPLE_IP) {
data->ip = event->ip.ip;
array++;