From owner-svn-src-head@freebsd.org Thu Mar 19 23:07:55 2020 Return-Path: Delivered-To: svn-src-head@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 34276273463; Thu, 19 Mar 2020 23:07:55 +0000 (UTC) (envelope-from tuexen@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 48k2cp2W6Nz4R8Z; Thu, 19 Mar 2020 23:07:54 +0000 (UTC) (envelope-from tuexen@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 9D8D51A50E; Thu, 19 Mar 2020 23:07:53 +0000 (UTC) (envelope-from tuexen@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 02JN7rgb054149; Thu, 19 Mar 2020 23:07:53 GMT (envelope-from tuexen@FreeBSD.org) Received: (from tuexen@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 02JN7rHn054148; Thu, 19 Mar 2020 23:07:53 GMT (envelope-from tuexen@FreeBSD.org) Message-Id: <202003192307.02JN7rHn054148@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: tuexen set sender to tuexen@FreeBSD.org using -f From: Michael Tuexen Date: Thu, 19 Mar 2020 23:07:53 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r359156 - head/sys/netinet X-SVN-Group: head X-SVN-Commit-Author: tuexen X-SVN-Commit-Paths: head/sys/netinet X-SVN-Commit-Revision: 359156 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Mar 2020 23:07:55 -0000 Author: tuexen Date: Thu Mar 19 23:07:52 2020 New Revision: 359156 URL: https://svnweb.freebsd.org/changeset/base/359156 Log: A a missing NET_EPOCH_ENTER/NET_EPOCH_EXIT pair. This was affecting implicit connection setups via sendmsg(). Reported by: syzbot+febbe3383a0e9b700c1b@syzkaller.appspotmail.com Reported by: syzbot+dca98631455d790223ca@syzkaller.appspotmail.com Reported by: syzbot+5a71a7760d6bcf11b8cd@syzkaller.appspotmail.com Reported by: syzbot+da64217e140444c49f00@syzkaller.appspotmail.com Modified: head/sys/netinet/sctp_output.c Modified: head/sys/netinet/sctp_output.c ============================================================================== --- head/sys/netinet/sctp_output.c Thu Mar 19 22:33:24 2020 (r359155) +++ head/sys/netinet/sctp_output.c Thu Mar 19 23:07:52 2020 (r359156) @@ -13647,7 +13647,9 @@ skip_out_eof: /* a collision took us forward? */ queue_only = 0; } else { + NET_EPOCH_ENTER(et); sctp_send_initiate(inp, stcb, SCTP_SO_LOCKED); + NET_EPOCH_EXIT(et); SCTP_SET_STATE(stcb, SCTP_STATE_COOKIE_WAIT); queue_only = 1; }