From owner-svn-src-all@freebsd.org Fri Jan 27 23:03:30 2017 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3916FCC479D; Fri, 27 Jan 2017 23:03:30 +0000 (UTC) (envelope-from jhb@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 mx1.freebsd.org (Postfix) with ESMTPS id 08DD6129C; Fri, 27 Jan 2017 23:03:29 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v0RN3Toj040745; Fri, 27 Jan 2017 23:03:29 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v0RN3TuX040744; Fri, 27 Jan 2017 23:03:29 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201701272303.v0RN3TuX040744@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Fri, 27 Jan 2017 23:03:29 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r312904 - head/sys/dev/cxgbe/tom X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Jan 2017 23:03:30 -0000 Author: jhb Date: Fri Jan 27 23:03:28 2017 New Revision: 312904 URL: https://svnweb.freebsd.org/changeset/base/312904 Log: Don't drop a reference to the TOE PCB in undo_offload_socket(). undo_offload_socket() is only called by t4_connect() during a connection setup failure, but t4_connect() still owns the TOE PCB and frees ita after undo_offload_socket() returns. Release a reference in undo_offload_socket() resulted in a double-free which panicked when t4_connect() performed the second free. The reference release was added to undo_offload_socket() incorrectly in r299210. MFC after: 1 week Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/tom/t4_tom.c Modified: head/sys/dev/cxgbe/tom/t4_tom.c ============================================================================== --- head/sys/dev/cxgbe/tom/t4_tom.c Fri Jan 27 22:30:27 2017 (r312903) +++ head/sys/dev/cxgbe/tom/t4_tom.c Fri Jan 27 23:03:28 2017 (r312904) @@ -273,8 +273,6 @@ undo_offload_socket(struct socket *so) mtx_lock(&td->toep_list_lock); TAILQ_REMOVE(&td->toep_list, toep, link); mtx_unlock(&td->toep_list_lock); - - free_toepcb(toep); } static void