Patch fix sched and net lockdep error (#479)

- fix: 修复调度器,软中断,定时器,网络子系统的部分锁的使用不符合锁依赖安全规范的问题
- fix: 修复创建pcb时内核栈爆栈的问题
- 把异常的trap gate改成intr gate

---------

Co-authored-by: GnoCiYeH <heyicong@dragonos.org>

kernel/src/arch/x86_64/syscall/mod.rs

@@ -67,7 +67,11 @@ macro_rules! syscall_return {
 pub extern "sysv64" fn syscall_handler(frame: &mut TrapFrame) -> () {
     let syscall_num = frame.rax as usize;
     // 防止sys_sched由于超时无法退出导致的死锁
-    if syscall_num != SYS_SCHED {
+    if syscall_num == SYS_SCHED {
+        unsafe {
+            CurrentIrqArch::interrupt_disable();
+        }
+    } else {
         unsafe {
             CurrentIrqArch::interrupt_enable();
         }