From owner-freebsd-net@freebsd.org Sun Feb 2 21:35:19 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id CFFC023B8F0 for ; Sun, 2 Feb 2020 21:35:19 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (turbocat.net [IPv6:2a01:4f8:c17:6c4b::2]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 489klB71wkz3DkJ for ; Sun, 2 Feb 2020 21:35:18 +0000 (UTC) (envelope-from hps@selasky.org) Received: from hps2020.home.selasky.org (unknown [62.141.129.235]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id 5FD8B260072; Sun, 2 Feb 2020 22:35:09 +0100 (CET) Subject: Re: Does sosend() need CURVNET_SET/CURVNET_RESTORE? To: Rick Macklem , freebsd-net References: From: Hans Petter Selasky Message-ID: <6ba3e3bd-d844-e685-7062-339e57438748@selasky.org> Date: Sun, 2 Feb 2020 22:33:19 +0100 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.3.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 489klB71wkz3DkJ X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of hps@selasky.org designates 2a01:4f8:c17:6c4b::2 as permitted sender) smtp.mailfrom=hps@selasky.org X-Spamd-Result: default: False [-3.96 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+a:mail.turbocat.net]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[selasky.org]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; IP_SCORE(-2.66)[ip: (-9.21), ipnet: 2a01:4f8::/29(-2.53), asn: 24940(-1.55), country: DE(-0.02)]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; SUBJECT_ENDS_QUESTION(1.00)[]; ASN(0.00)[asn:24940, ipnet:2a01:4f8::/29, country:DE]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 02 Feb 2020 21:35:19 -0000 On 2020-02-02 22:22, Rick Macklem wrote: > Hi, > > The current krpc code calls sosend() and soreceive() without any > CURVNET_SET()/CURVNET_RESTORE() wrapped around them. > > When I recently used sosend_generic(), it panic'd without them. > > Do they need to be added around sosend()/soreceive()? > > I'll admit to knowing nothing about vnet. > > Thanks, rick What is the panic backtrace? Usually one of these tree variants is used: CURVNET_SET(TD_TO_VNET(td)); CURVNET_SET(ifp->if_vnet); CURVNET_SET(so->so_vnet); --HPS