From: Eric Dumazet <[email protected]> Date: Sat, 30 May 2015 09:16:53 -0700
> From: Eric Dumazet <[email protected]> > > We have two problems in UDP stack related to bogus checksums : > > 1) We return -EAGAIN to application even if receive queue is not empty. > This breaks applications using edge trigger epoll() > > 2) Under UDP flood, we can loop forever without yielding to other > processes, potentially hanging the host, especially on non SMP. > > > This patch is an attempt to make things better. > > We might in the future add extra support for rt applications > wanting to better control time spent doing a recv() in a hostile > environment. For example we could validate checksums before queuing > packets in socket receive queue. > > Signed-off-by: Eric Dumazet <[email protected]> Yeah this looks correct, applied and queued up for -stable. Thanks! -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
