diff options
| -rw-r--r-- | kernel/signal.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 3808eaa2f49ab..49c8c24b444d5 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -1996,14 +1996,15 @@ int send_sigqueue(struct sigqueue *q, struct pid *pid, enum pid_type type) * into t->pending). * * Where type is not PIDTYPE_PID, signals must be delivered to the - * process. In this case, prefer to deliver to current if it is in - * the same thread group as the target process, which avoids - * unnecessarily waking up a potentially idle task. + * process. In this case, prefer to deliver to current if it is in the + * same thread group as the target process and its sighand is stable, + * which avoids unnecessarily waking up a potentially idle task. */ t = pid_task(pid, type); if (!t) goto ret; - if (type != PIDTYPE_PID && same_thread_group(t, current)) + if (type != PIDTYPE_PID && + same_thread_group(t, current) && !current->exit_state) t = current; if (!likely(lock_task_sighand(t, &flags))) goto ret; |