diff options
| -rw-r--r-- | kernel/events/core.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index 09866a330af8..1de0d709f69f 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7081,20 +7081,26 @@ SYSCALL_DEFINE5(perf_event_open, } } + if (task && group_leader && + group_leader->attr.inherit != attr.inherit) { + err = -EINVAL; + goto err_task; + } + get_online_cpus(); event = perf_event_alloc(&attr, cpu, task, group_leader, NULL, NULL, NULL); if (IS_ERR(event)) { err = PTR_ERR(event); - goto err_task; + goto err_cpus; } if (flags & PERF_FLAG_PID_CGROUP) { err = perf_cgroup_connect(pid, event, &attr, group_leader); if (err) { __free_event(event); - goto err_task; + goto err_cpus; } } @@ -7256,8 +7262,9 @@ err_context: put_ctx(ctx); err_alloc: free_event(event); -err_task: +err_cpus: put_online_cpus(); +err_task: if (task) put_task_struct(task); err_group_fd: |