From owner-svn-src-stable-12@freebsd.org Thu Apr 2 15:31:30 2020 Return-Path: Delivered-To: svn-src-stable-12@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 83AA72A7E66; Thu, 2 Apr 2020 15:31:30 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 48tRqj4RQfz4mVD; Thu, 2 Apr 2020 15:31:29 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 576771B4F6; Thu, 2 Apr 2020 15:30:52 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 032FUqZp073579; Thu, 2 Apr 2020 15:30:52 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 032FUqDt073578; Thu, 2 Apr 2020 15:30:52 GMT (envelope-from markj@FreeBSD.org) Message-Id: <202004021530.032FUqDt073578@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 2 Apr 2020 15:30:52 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r359565 - stable/12/sys/netinet6 X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/12/sys/netinet6 X-SVN-Commit-Revision: 359565 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Apr 2020 15:31:30 -0000 Author: markj Date: Thu Apr 2 15:30:51 2020 New Revision: 359565 URL: https://svnweb.freebsd.org/changeset/base/359565 Log: MFC r359154: Fix synchronization in the IPV6_2292PKTOPTIONS set handler. Modified: stable/12/sys/netinet6/ip6_output.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/netinet6/ip6_output.c ============================================================================== --- stable/12/sys/netinet6/ip6_output.c Thu Apr 2 15:30:30 2020 (r359564) +++ stable/12/sys/netinet6/ip6_output.c Thu Apr 2 15:30:51 2020 (r359565) @@ -1549,8 +1549,10 @@ ip6_ctloutput(struct socket *so, struct sockopt *sopt) error = soopt_mcopyin(sopt, m); /* XXX */ if (error != 0) break; - error = ip6_pcbopts(&inp->in6p_outputopts, - m, so, sopt); + INP_WLOCK(inp); + error = ip6_pcbopts(&inp->in6p_outputopts, m, + so, sopt); + INP_WUNLOCK(inp); m_freem(m); /* XXX */ break; } @@ -2310,8 +2312,11 @@ ip6_pcbopts(struct ip6_pktopts **pktopt, struct mbuf * printf("ip6_pcbopts: all specified options are cleared.\n"); #endif ip6_clearpktopts(opt, -1); - } else - opt = malloc(sizeof(*opt), M_IP6OPT, M_WAITOK); + } else { + opt = malloc(sizeof(*opt), M_IP6OPT, M_NOWAIT); + if (opt == NULL) + return (ENOMEM); + } *pktopt = NULL; if (!m || m->m_len == 0) {