From owner-freebsd-current@freebsd.org Thu May 9 18:38:28 2019 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DCB05158A8D5 for ; Thu, 9 May 2019 18:38:28 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (glebi.us [162.251.186.162]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "cell.glebi.us", Issuer "cell.glebi.us" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 528E574C2D; Thu, 9 May 2019 18:38:28 +0000 (UTC) (envelope-from glebius@freebsd.org) Received: from cell.glebi.us (localhost [127.0.0.1]) by cell.glebi.us (8.15.2/8.15.2) with ESMTPS id x49IcP12005053 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Thu, 9 May 2019 11:38:25 -0700 (PDT) (envelope-from glebius@freebsd.org) Received: (from glebius@localhost) by cell.glebi.us (8.15.2/8.15.2/Submit) id x49IcPwp005052; Thu, 9 May 2019 11:38:25 -0700 (PDT) (envelope-from glebius@freebsd.org) X-Authentication-Warning: cell.glebi.us: glebius set sender to glebius@freebsd.org using -f Date: Thu, 9 May 2019 11:38:25 -0700 From: Gleb Smirnoff To: Michael Butler Cc: Kyle Evans , FreeBSD Current Subject: Re: at SVN r347375, terminating/restarting openvpn on tap causes panic Message-ID: <20190509183825.GW1243@FreeBSD.org> References: <58ad8292-a24b-b9ce-a1a2-3e159f42ed78@protected-networks.net> <5333dd8d-9e01-f748-1b79-5dd1b22bf15f@protected-networks.net> <20190509182255.GU1243@FreeBSD.org> <950c3dd0-a5ea-b555-6ed6-b5368e169f95@protected-networks.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <950c3dd0-a5ea-b555-6ed6-b5368e169f95@protected-networks.net> User-Agent: Mutt/1.11.4 (2019-03-13) X-Rspamd-Queue-Id: 528E574C2D X-Spamd-Bar: ------ Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-6.97 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_SHORT(-0.97)[-0.972,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 May 2019 18:38:29 -0000 On Thu, May 09, 2019 at 02:32:44PM -0400, Michael Butler wrote: M> (kgdb) frame 8 M> #8 0xffffffff80a15377 in ip_output (m=, opt= optimized out>, ro=0x0, flags=0, imo=0xfffffe0072b14780, inp=0x0) at M> /usr/src/sys/netinet/ip_output.c:362 M> 362 IFP_TO_IA(ifp, ia, &in_ifa_tracker); M> (kgdb) print imo M> $1 = (struct ip_moptions *) 0xfffffe0072b14780 M> (kgdb) print ifp M> $2 = (struct ifnet *) 0xfffff80004110000 M> (kgdb) print ia M> $3 = ... This all looks good. Can you please traverse the 'in_ifaddrhead' linked list? -- Gleb Smirnoff