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-rw-r--r--kernel/signal.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 4922928d91f6..92025b108791 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1560,6 +1560,7 @@ static void ptrace_stop(int exit_code, int nostop_code, siginfo_t *info)
/* Let the debugger run. */
set_current_state(TASK_TRACED);
spin_unlock_irq(&current->sighand->siglock);
+ try_to_freeze();
read_lock(&tasklist_lock);
if (likely(current->ptrace & PT_PTRACED) &&
likely(current->parent != current->real_parent ||