Re: [PATCH 0/10] af_unix: add multicast and filtering features toAF_UNIX

From: David Lamparter
Date: Tue Feb 28 2012 - 09:28:58 EST


On Tue, Feb 28, 2012 at 11:47:39AM +0100, Rodrigo Moya wrote:
> > - slow readers: dropping packets vs blocking the sender. Although
> > datagrams are not reliable on IP, datagrams on Unix sockets are
> never
> > lost. So if one receiver has its buffer full the sender is blocked
> > instead of dropping packets. That way we guarantee a reliable
> > communication channel.

This sounds like a terribly nice way to f*ck the entire D-Bus system by
having one broken (or malicious) desktop application. What's the
intended way of coping with users that block the socket by not reading?


-David L.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/