From owner-svn-src-all@freebsd.org Mon Feb 25 15:51:00 2019 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 18898150E09D; Mon, 25 Feb 2019 15:51:00 +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 B08896BFF0; Mon, 25 Feb 2019 15:50:59 +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 A209E1F119; Mon, 25 Feb 2019 15:50:59 +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 x1PFoxYU035776; Mon, 25 Feb 2019 15:50:59 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x1PFoxuX035775; Mon, 25 Feb 2019 15:50:59 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201902251550.x1PFoxuX035775@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Mon, 25 Feb 2019 15:50:59 +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: r344521 - stable/12/sys/amd64/sgx X-SVN-Group: stable-12 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/12/sys/amd64/sgx X-SVN-Commit-Revision: 344521 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: B08896BFF0 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.997,0]; NEURAL_HAM_SHORT(-0.98)[-0.984,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.999,0] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 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: Mon, 25 Feb 2019 15:51:00 -0000 Author: markj Date: Mon Feb 25 15:50:59 2019 New Revision: 344521 URL: https://svnweb.freebsd.org/changeset/base/344521 Log: MFC r344232: Fix refcount leaks in the SGX Linux compat ioctl handler. Modified: stable/12/sys/amd64/sgx/sgx_linux.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/amd64/sgx/sgx_linux.c ============================================================================== --- stable/12/sys/amd64/sgx/sgx_linux.c Mon Feb 25 15:50:28 2019 (r344520) +++ stable/12/sys/amd64/sgx/sgx_linux.c Mon Feb 25 15:50:59 2019 (r344521) @@ -70,30 +70,26 @@ sgx_linux_ioctl(struct thread *td, struct linux_ioctl_ cmd = args->cmd; args->cmd &= ~(LINUX_IOC_IN | LINUX_IOC_OUT); - if (cmd & LINUX_IOC_IN) + if ((cmd & LINUX_IOC_IN) != 0) args->cmd |= IOC_IN; - if (cmd & LINUX_IOC_OUT) + if ((cmd & LINUX_IOC_OUT) != 0) args->cmd |= IOC_OUT; len = IOCPARM_LEN(cmd); if (len > SGX_IOCTL_MAX_DATA_LEN) { - printf("%s: Can't copy data: cmd len is too big %d\n", - __func__, len); - return (EINVAL); + error = EINVAL; + goto out; } - if (cmd & LINUX_IOC_IN) { + if ((cmd & LINUX_IOC_IN) != 0) { error = copyin((void *)args->arg, data, len); - if (error) { - printf("%s: Can't copy data, error %d\n", - __func__, error); - return (EINVAL); - } + if (error != 0) + goto out; } - error = (fo_ioctl(fp, args->cmd, (caddr_t)data, td->td_ucred, td)); + error = fo_ioctl(fp, args->cmd, (caddr_t)data, td->td_ucred, td); +out: fdrop(fp, td); - return (error); }