--- x/fs/proc/proc_misc.c.~1~	2003-05-27 04:36:32.000000000 +0200
+++ x/fs/proc/proc_misc.c	2003-05-27 04:38:41.000000000 +0200
@@ -598,7 +598,8 @@ static ssize_t read_profile(struct file 
 		buf++; p++; count--; read++;
 	}
 	pnt = (char *)prof_buffer + p - sizeof(unsigned int);
-	copy_to_user(buf,(void *)pnt,count);
+	if (copy_to_user(buf,(void *)pnt,count))
+		return -EFAULT;
 	read += count;
 	*ppos += read;
 	return read;