--- linux-2.4.21-rc2/kernel/fork.c
+++ linux-2.4.21-rc2-bk1/kernel/fork.c
@@ -572,21 +572,13 @@
 	unsigned old_task_dumpable;
 	long ret;
 
-	/* lock out any potential ptracer */
-	task_lock(task);
-	if (task->ptrace) {
-		task_unlock(task);
-		return -EPERM;
-	}
-
-	old_task_dumpable = task->task_dumpable;
+	/* lock out any potential ptracer for the new task_struct copy */
 	task->task_dumpable = 0;
-	task_unlock(task);
 
 	ret = arch_kernel_thread(fn, arg, flags);
 
 	/* never reached in child process, only in parent */
-	current->task_dumpable = old_task_dumpable;
+	task->task_dumpable = old_task_dumpable;
 
 	return ret;
 }