Date: Mon, 31 Aug 2009 16:04:02 -0700 From: Julian Elischer <julian@elischer.org> To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net> Cc: qingli@freebsd.org, FreeBSD networkers mailing list <net@freebsd.org> Subject: Re: CFR/CFT: plug mbuf leak in new arp code Message-ID: <4A9C56E2.7070609@elischer.org> In-Reply-To: <20090831215129.V93661@maildrop.int.zabbadoz.net> References: <20090831215129.V93661@maildrop.int.zabbadoz.net>
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Bjoern A. Zeeb wrote: > Hi, > > I have a patch for FreeBSD 8.x / 9-CURRENT that plugs an mbuf leak > in the new arp code that needs review and further testing. > > Find a longer description of the problem at the beginning of the > patch. There is a lot of context in the patch; if you want a shorter > one, apply and re-gen it. > > If you want to see the current problem, log in to a remote 8/9 machine > and repeatedly type ... over that connection (you need to be su): > arp -ad > /dev/null ; netstat -m | head -1 > Watch the first number. Warning: doing it too often will make that > machine panic eventually. > > Here's the patch: > http://people.freebsd.org/~bz/20090831-01-plug-new-arp-mbuf-leak.diff > > Thanks for your help in advance. > > /bz > looks pretty right... all the paths I followed through did the right thing WRT locks and mbufs.
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