Date: Fri, 27 Jun 2003 03:16:04 +0200 From: =?iso-8859-1?Q?John_B=E4ckstrand?= <sandos@home.se> To: "Eugene Grosbein" <eugen@grosbein.pp.ru> Cc: freebsd-stable@freebsd.org Subject: Re: Mbuf Clusters on 4.8 Message-ID: <001301c33c49$ae39ab40$0000fea9@sandos> References: <000b01c33b7e$bc37fdd0$0000fea9@sandos> <20030626151007.A877@grosbein.pp.ru>
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> > From this it sounds as it is a problem that should be > > fixed, but it > > obviously isnt in 4.8. Is this behaviour now considered > > acceptable? And if > > so, doesnt this make FreeBSD extremely easy to kill > > using a simple > > DOS-attack? Is this "fixed" in any way on 5.1? > > Afaik, this bug was recently fixed in both of HEAD and STABLE. > > Eugene Yes, you could well be right. The fix about not checking return values from m_copy() when receiving broadcast messages I think, sure seems to fit what is happening to me. I disconnected my three machines from the rest of the LAN, and tried exhausting mbuf clusters again. This time, it didnt hang, and no rl0 watchdog messages either. I am ugprading the box now and will try a new kernel. --- John Bäckstrand
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