Date: Wed, 1 Oct 2014 21:16:46 +0400 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Mike Tancsa <mike@sentex.net> Cc: Rumen Telbizov <telbizov@gmail.com>, "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>, "Alexander V. Chernikov" <melifaro@freebsd.org>, brian@freebsd.org Subject: Re: 10.1-BETA2 possible kernel memory leak in routing table Message-ID: <20141001171646.GQ73266@glebius.int.ru> In-Reply-To: <542C20D7.3070606@sentex.net> References: <CAENR%2B_UVLDDrsef2W4CXCFX65EYaxeKN4MNWbgoyaZ5qDGe1Pg@mail.gmail.com> <542AAA3C.1080803@ipfw.ru> <CAENR%2B_X5KTdeb00f9NShN1YK%2BT2aY1vG5YcTCgu4aXZO=%2Bpa=g@mail.gmail.com> <542AE376.6000003@FreeBSD.org> <CAENR%2B_XX4jnD6SBi8S1dGfWM68tmcm0aE2iMVA3LDR3R8ygQYw@mail.gmail.com> <542AFAE3.9030705@FreeBSD.org> <CAENR%2B_WbntqjE4b=iZS8z30AK7gSpur00HsWP9-T_UJ7OosU8Q@mail.gmail.com> <20141001135124.GM73266@glebius.int.ru> <542C20D7.3070606@sentex.net>
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On Wed, Oct 01, 2014 at 11:42:15AM -0400, Mike Tancsa wrote: M> On 10/1/2014 9:51 AM, Gleb Smirnoff wrote: M> > On Tue, Sep 30, 2014 at 04:56:00PM -0700, Rumen Telbizov wrote: M> > R> Brian Somers and I are currently looking into the source of PF in latest M> > R> 10-STABLE and trying to figure out what is going on. We were able to M> > R> replicate this problem on a 11-CURRENT (Sep 12th) machine as well. A simple M> > R> PF ruleset with 1 rule and 1 table. Every few reloads of the firewall M> > R> and vmstat M> > R> -m | grep routetbl shows increased memory usage. M> > M> > I plugged the easy leak, but there is also a hard one. Actually, the M> > entire pf_table.c needs a good shake. Right now I am out of time for this. M> M> Is that easy fix M> M> http://lists.freebsd.org/pipermail/svn-src-head/2014-October/063178.html Yes, it seems the leak slowed down. M> Also, is there any work around to this ? I tried a simple set of pf M> rules with no tables, hoping that was the cause of it, but memory grows M> with each pf reload. No workaround available. Can you please file a PR for that? Once I have time, I will work on this. -- Totus tuus, Glebius.
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