The

ofault function is only prioritized in higher versions

Author: Admirepowered

kernel/patch/common/utils.c

@@ -75,7 +75,7 @@ int __must_check compat_copy_to_user(void __user *to, const void *from, int n)
 {
     int cplen = 0;
 
-    if (kfunc(xt_data_to_user)) {
+    if (kfunc(xt_data_to_user) && kver > VERSION(6, 7, 0) ) {
         // xt_data_to_user, xt_obj_to_user
         cplen = compat_xt_data_copy_to_user(to, from, n);
         if (!cplen) cplen = n;
@@ -98,8 +98,11 @@ KP_EXPORT_SYMBOL(compat_copy_to_user);
 
 long compat_strncpy_from_user(char *dest, const char __user *src, long count)
 {
-    kfunc_call(strncpy_from_user_nofault, dest, src, count);
-    kfunc_call(strncpy_from_unsafe_user, dest, src, count);
+    if (kver > VERSION(6, 7, 0)){
+        kfunc_call(strncpy_from_user_nofault, dest, src, count);
+        kfunc_call(strncpy_from_unsafe_user, dest, src, count);
+    }
+    
     if (kfunc(strncpy_from_user)) {
         long rc = kfunc(strncpy_from_user)(dest, src, count);
         if (rc >= count) {
@@ -110,6 +113,7 @@ long compat_strncpy_from_user(char *dest, const char __user *src, long count)
         }
         return rc;
     }
+    
     return 0;
 }
 KP_EXPORT_SYMBOL(compat_strncpy_from_user);