From owner-svn-src-all@freebsd.org Tue Jul 17 09:22:27 2018 Return-Path: Delivered-To: svn-src-all@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 62CB31032B08; Tue, 17 Jul 2018 09:22:27 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 101157D8CC; Tue, 17 Jul 2018 09:22:27 +0000 (UTC) (envelope-from hselasky@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 E53C217CB; Tue, 17 Jul 2018 09:22:26 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w6H9MQXO018727; Tue, 17 Jul 2018 09:22:26 GMT (envelope-from hselasky@FreeBSD.org) Received: (from hselasky@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6H9MQHN018726; Tue, 17 Jul 2018 09:22:26 GMT (envelope-from hselasky@FreeBSD.org) Message-Id: <201807170922.w6H9MQHN018726@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: hselasky set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky Date: Tue, 17 Jul 2018 09:22:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336379 - head/sys/ofed/drivers/infiniband/core X-SVN-Group: head X-SVN-Commit-Author: hselasky X-SVN-Commit-Paths: head/sys/ofed/drivers/infiniband/core X-SVN-Commit-Revision: 336379 X-SVN-Commit-Repository: base 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: 2.1.27 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: Tue, 17 Jul 2018 09:22:27 -0000 Author: hselasky Date: Tue Jul 17 09:22:26 2018 New Revision: 336379 URL: https://svnweb.freebsd.org/changeset/base/336379 Log: Check for a cm_id->device in all user calls that need it in ibcore. This was done by auditing all callers of ucma_get_ctx and switching the ones that unconditionally touch ->device to ucma_get_ctx_dev. This covers a little less than half of the call sites. The 11 remaining call sites to ucma_get_ctx() were manually audited. Linux commit: 4b658d1bbc16605330694bb3ef2570c465ef383d 8b77586bd8fe600d97f922c79f7222c46f37c118 MFC after: 1 week Sponsored by: Mellanox Technologies Modified: head/sys/ofed/drivers/infiniband/core/ib_ucma.c Modified: head/sys/ofed/drivers/infiniband/core/ib_ucma.c ============================================================================== --- head/sys/ofed/drivers/infiniband/core/ib_ucma.c Tue Jul 17 09:21:05 2018 (r336378) +++ head/sys/ofed/drivers/infiniband/core/ib_ucma.c Tue Jul 17 09:22:26 2018 (r336379) @@ -151,6 +151,23 @@ static void ucma_put_ctx(struct ucma_context *ctx) complete(&ctx->comp); } +/* + * Same as ucm_get_ctx but requires that ->cm_id->device is valid, eg that the + * CM_ID is bound. + */ +static struct ucma_context *ucma_get_ctx_dev(struct ucma_file *file, int id) +{ + struct ucma_context *ctx = ucma_get_ctx(file, id); + + if (IS_ERR(ctx)) + return ctx; + if (!ctx->cm_id->device) { + ucma_put_ctx(ctx); + return ERR_PTR(-EINVAL); + } + return ctx; +} + static void ucma_close_event_id(struct work_struct *work) { struct ucma_event *uevent_close = container_of(work, struct ucma_event, close_work); @@ -712,7 +729,7 @@ static ssize_t ucma_resolve_route(struct ucma_file *fi if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1020,7 +1037,7 @@ static ssize_t ucma_connect(struct ucma_file *file, co if (!cmd.conn_param.valid) return -EINVAL; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1062,7 +1079,7 @@ static ssize_t ucma_accept(struct ucma_file *file, con if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1090,7 +1107,7 @@ static ssize_t ucma_reject(struct ucma_file *file, con if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1109,7 +1126,7 @@ static ssize_t ucma_disconnect(struct ucma_file *file, if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1134,7 +1151,7 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *fil if (copy_from_user(&cmd, inbuf, sizeof(cmd))) return -EFAULT; - ctx = ucma_get_ctx(file, cmd.id); + ctx = ucma_get_ctx_dev(file, cmd.id); if (IS_ERR(ctx)) return PTR_ERR(ctx); @@ -1329,7 +1346,7 @@ static ssize_t ucma_process_join(struct ucma_file *fil else return -EINVAL; - ctx = ucma_get_ctx(file, cmd->id); + ctx = ucma_get_ctx_dev(file, cmd->id); if (IS_ERR(ctx)) return PTR_ERR(ctx);