From 26f4b6e6ba7b2d542130c9abf5cdc005b6014e65 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sun, 28 Dec 2025 02:30:21 +0800
Subject: fixed(proc):Fix the page table mapping error during process fork

---
 src/kernel/syscall.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/kernel/syscall.cc')

diff --git a/src/kernel/syscall.cc b/src/kernel/syscall.cc
index 13bdbac..92b1a1b 100644
--- a/src/kernel/syscall.cc
+++ b/src/kernel/syscall.cc
@@ -99,6 +99,7 @@ uint64 sys_write()
 
             if (VM::copyin(proc->pagetable, buf, p + i, len) < 0)
             {
+                Drivers::uart_puts("sys_write: copyin failed\n");
                 return -1;
             }
 
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