diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 019e04e..863eee8 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -56,6 +56,10 @@
 			signal_wake_up(child, 1);
 		}
 	}
+	if (child->signal->flags & SIGNAL_GROUP_EXIT) {
+		sigaddset(&child->pending.signal, SIGKILL);
+		signal_wake_up(child, 1);
+	}
 	spin_unlock(&child->sighand->siglock);
 }
 
@@ -77,8 +81,7 @@
 		SET_LINKS(child);
 	}
 
-	if (child->state == TASK_TRACED)
-		ptrace_untrace(child);
+	ptrace_untrace(child);
 }
 
 /*
diff --git a/kernel/signal.c b/kernel/signal.c
index 1d905ec..9d1512d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1108,8 +1108,8 @@
 		if (t != p->group_leader)
 			t->exit_signal = -1;
 
+		/* SIGKILL will be handled before any pending SIGSTOP */
 		sigaddset(&t->pending.signal, SIGKILL);
-		rm_from_queue(SIG_KERNEL_STOP_MASK, &t->pending);
 		signal_wake_up(t, 1);
 	}
 }
@@ -1879,9 +1879,9 @@
 			/* Let the debugger run.  */
 			ptrace_stop(signr, signr, info);
 
-			/* We're back.  Did the debugger cancel the sig?  */
+			/* We're back.  Did the debugger cancel the sig or group_exit? */
 			signr = current->exit_code;
-			if (signr == 0)
+			if (signr == 0 || current->signal->flags & SIGNAL_GROUP_EXIT)
 				continue;
 
 			current->exit_code = 0;