From ea8ad4d42e52016fe581a2451165146f109dfd6e Mon Sep 17 00:00:00 2001
From: LoGin <longjin@DragonOS.org>
Date: Sun, 12 Nov 2023 13:40:17 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3fork=E7=9A=84=E6=97=B6?=
 =?UTF-8?q?=E5=80=99=E6=B2=A1=E6=9C=89=E6=AD=A3=E7=A1=AE=E6=8B=B7=E8=B4=9D?=
 =?UTF-8?q?vm=20holes=E7=9A=84bug=20(#433)?=
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---
 kernel/src/mm/ucontext.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel/src/mm/ucontext.rs b/kernel/src/mm/ucontext.rs
index 43130d63..9d819a55 100644
--- a/kernel/src/mm/ucontext.rs
+++ b/kernel/src/mm/ucontext.rs
@@ -162,6 +162,9 @@ impl InnerAddressSpace {
 
         let current_mapper = &mut self.user_mapper.utable;
 
+        // 拷贝空洞
+        new_guard.mappings.vm_holes = self.mappings.vm_holes.clone();
+
         for vma in self.mappings.vmas.iter() {
             // TODO: 增加对VMA是否为文件映射的判断，如果是的话，就跳过