On Fri, 2014-11-21 at 08:49 +0000, Al Viro wrote: > Another thing is tcp_sendmsg_fastopen() and tcp_send_rcvq(). The latter > should just use copy_from_iter() instead of memcpy_from_iovec(), the former > is dealt with by making tcp_send_syn_data() use the same copy_from_iter() > instead of memcpy_from_iovecend(). Well, another problem I already mentioned is that tcp_send_rcvq() does a single alloc_skb() with @size directly coming from user space. This certainly can try allocation of dozen of Megabytes. Not good. -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html