From nobody Thu Jul 8 22:11:34 2021 X-Original-To: freebsd-stable@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 0D2F7122DE00 for ; Thu, 8 Jul 2021 22:11:56 +0000 (UTC) (envelope-from lutz@iks-jena.de) Received: from annwfn.iks-jena.de (annwfn.iks-jena.de [IPv6:2001:4bd8::19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4GLVrW5gTHz3LZK for ; Thu, 8 Jul 2021 22:11:55 +0000 (UTC) (envelope-from lutz@iks-jena.de) X-SMTP-Sender: IPv6:2001:4bd8:0:666:248:54ff:fe12:ee3f Received: from belenus.iks-jena.de (belenus.iks-jena.de [IPv6:2001:4bd8:0:666:248:54ff:fe12:ee3f]) by annwfn.iks-jena.de (8.15.2/8.15.2) with ESMTPS id 168MBZXZ003130 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 9 Jul 2021 00:11:35 +0200 X-MSA-Host: belenus.iks-jena.de Received: (from lutz@localhost) by belenus.iks-jena.de (8.14.3/8.14.1/Submit) id 168MBYFA000362; Fri, 9 Jul 2021 00:11:34 +0200 Date: Fri, 9 Jul 2021 00:11:34 +0200 From: Lutz Donnerhacke To: Karl Denninger Cc: FreeBSD-STABLE Mailing List Subject: Re: 12.2 Splay Tree ipfw potential panic source Message-ID: <20210708221134.GA32658@belenus.iks-jena.de> References: <2e3dcd4d-c8e6-8381-0010-d0844c99901e@denninger.net> List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2e3dcd4d-c8e6-8381-0010-d0844c99901e@denninger.net> X-message-flag: Please send plain text messages only. Thank you. User-Agent: Mutt/1.5.17 (2007-11-01) X-Rspamd-Queue-Id: 4GLVrW5gTHz3LZK X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On Thu, Jul 08, 2021 at 05:38:35PM -0400, Karl Denninger wrote: > This is the only change I'm aware of in the build I just put on a firewall > that uses ipfw heavily, and it is not panic'ing quite regularly. The code was delayed considerably for MFC until such problems are identified, tested and solved (AFAIK) in main. The tests are also present in stable, and the CI system (jenkins) did not report any failure after MFCing. > I'll see if I can get a dump from it but that may be difficult as the > machine in question is a "small box" without attached storage (boots from > an SD card.) That would be really helpful. Most notably the bud I can't find easily are in the area of inbound redirection and protocol helpers. My use case is Carrier Grade NAT (outbound).