From e432a27676657e7f10009e0cff72d13bcf6c1efa Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 13 Apr 2020 22:39:07 +0200
Subject: [PATCH] Kernel: Use copy_from_user() in ptrace(PT_PEEK)

---
 Kernel/Ptrace.cpp | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Kernel/Ptrace.cpp b/Kernel/Ptrace.cpp
index 3540572435..f6f5d946d5 100644
--- a/Kernel/Ptrace.cpp
+++ b/Kernel/Ptrace.cpp
@@ -114,10 +114,7 @@ KResultOr<u32> handle_syscall(const Kernel::Syscall::SC_ptrace_params& params, P
         if (result.is_error())
             return -EFAULT;
         peer->process().validate_write(peek_params.out_data, sizeof(u32));
-        {
-            SmapDisabler disabler;
-            *(peek_params.out_data) = result.value();
-        }
+        copy_from_user(peek_params.out_data, &result.value());
         break;
     }