From owner-svn-src-all@freebsd.org Tue May 31 16:56:31 2016 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 D6D28B5586A; Tue, 31 May 2016 16:56:31 +0000 (UTC) (envelope-from glebius@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 A84861EF2; Tue, 31 May 2016 16:56:31 +0000 (UTC) (envelope-from glebius@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u4VGuUxh004643; Tue, 31 May 2016 16:56:30 GMT (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u4VGuU2i004639; Tue, 31 May 2016 16:56:30 GMT (envelope-from glebius@FreeBSD.org) Message-Id: <201605311656.u4VGuU2i004639@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: glebius set sender to glebius@FreeBSD.org using -f From: Gleb Smirnoff Date: Tue, 31 May 2016 16:56:30 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r301053 - in head/sys: compat/linux kern 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: 2.1.22 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, 31 May 2016 16:56:31 -0000 Author: glebius Date: Tue May 31 16:56:30 2016 New Revision: 301053 URL: https://svnweb.freebsd.org/changeset/base/301053 Log: Fix kernel stack disclosures in the Linux and 4.3BSD compat layers. Submitted by: CTurt Security: SA-16:20 Security: SA-16:21 Modified: head/sys/compat/linux/linux_ioctl.c head/sys/compat/linux/linux_misc.c head/sys/kern/vfs_syscalls.c Modified: head/sys/compat/linux/linux_ioctl.c ============================================================================== --- head/sys/compat/linux/linux_ioctl.c Tue May 31 16:55:50 2016 (r301052) +++ head/sys/compat/linux/linux_ioctl.c Tue May 31 16:56:30 2016 (r301053) @@ -916,6 +916,8 @@ linux_ioctl_termio(struct thread *td, st case LINUX_TIOCGSERIAL: { struct linux_serial_struct lss; + + bzero(&lss, sizeof(lss)); lss.type = LINUX_PORT_16550A; lss.flags = 0; lss.close_delay = 0; Modified: head/sys/compat/linux/linux_misc.c ============================================================================== --- head/sys/compat/linux/linux_misc.c Tue May 31 16:55:50 2016 (r301052) +++ head/sys/compat/linux/linux_misc.c Tue May 31 16:56:30 2016 (r301053) @@ -149,6 +149,7 @@ linux_sysinfo(struct thread *td, struct int i, j; struct timespec ts; + bzero(&sysinfo, sizeof(sysinfo)); getnanouptime(&ts); if (ts.tv_nsec != 0) ts.tv_sec++; Modified: head/sys/kern/vfs_syscalls.c ============================================================================== --- head/sys/kern/vfs_syscalls.c Tue May 31 16:55:50 2016 (r301052) +++ head/sys/kern/vfs_syscalls.c Tue May 31 16:56:30 2016 (r301053) @@ -2068,6 +2068,7 @@ cvtstat(st, ost) struct ostat *ost; { + bzero(ost, sizeof(*ost)); ost->st_dev = st->st_dev; ost->st_ino = st->st_ino; ost->st_mode = st->st_mode;