diff --git a/kernel/exit.c b/kernel/exit.c
index fa46977b9c07..ece64771a31f 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -456,7 +456,10 @@ static void exit_mm(void)
 		up_read(&mm->mmap_sem);
 
 		self.task = current;
-		self.next = xchg(&core_state->dumper.next, &self);
+		if (self.task->flags & PF_SIGNALED)
+			self.next = xchg(&core_state->dumper.next, &self);
+		else
+			self.task = NULL;
 		/*
 		 * Implies mb(), the result of xchg() must be visible
 		 * to core_state->dumper.