From 3886749b1c8d79d4701bf6b8e66249c4e1491648 Mon Sep 17 00:00:00 2001
From: Richard Qin <richard.qin.x@gmail.com>
Date: Sun, 4 Jan 2026 18:06:31 +0800
Subject: dev(shell): implement basic shell tools fixed(file-system): fixed
 read and write bugs

---
 src/kernel/syscall.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

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

diff --git a/src/kernel/syscall.cc b/src/kernel/syscall.cc
index 259a5e6..9f88649 100644
--- a/src/kernel/syscall.cc
+++ b/src/kernel/syscall.cc
@@ -503,7 +503,9 @@ static uint64_t sys_read()
     // get param: fd, buf, len
     if (argint(0, &fd) < 0 || argint(2, &n) < 0 || argint(1, (int *)&p) < 0)
         return -1;
-    
+        
+    p = argraw(1);
+
     struct Proc* proc = myproc();
     if (fd == 0 && proc->ofile[fd] == nullptr)
     {
-- 
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