Commit 9067ac85 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
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wake_up_process() should be never used to wakeup a TASK_STOPPED/TRACED task

wake_up_process() should never wakeup a TASK_STOPPED/TRACED task.
Change it to use TASK_NORMAL and add the WARN_ON().

TASK_ALL has no other users, probably can be killed.

Signed-off-by: default avatarOleg Nesterov <>
Signed-off-by: default avatarLinus Torvalds <>
parent 9899d11f
...@@ -1523,7 +1523,8 @@ static void try_to_wake_up_local(struct task_struct *p) ...@@ -1523,7 +1523,8 @@ static void try_to_wake_up_local(struct task_struct *p)
*/ */
int wake_up_process(struct task_struct *p) int wake_up_process(struct task_struct *p)
{ {
return try_to_wake_up(p, TASK_ALL, 0); WARN_ON(task_is_stopped_or_traced(p));
return try_to_wake_up(p, TASK_NORMAL, 0);
} }
EXPORT_SYMBOL(wake_up_process); EXPORT_SYMBOL(wake_up_process);
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