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-rw-r--r--kernel/ptrace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 1d3b7665d0be..2a99027312a6 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -73,6 +73,8 @@ void __ptrace_unlink(struct task_struct *child)
{
BUG_ON(!child->ptrace);
+ clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+
child->parent = child->real_parent;
list_del_init(&child->ptrace_entry);
@@ -489,7 +491,6 @@ static int ptrace_detach(struct task_struct *child, unsigned int data)
/* Architecture-specific hardware disable .. */
ptrace_disable(child);
- clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
write_lock_irq(&tasklist_lock);
/*