From owner-freebsd-bugs@freebsd.org Tue Aug 8 15:56:02 2017 Return-Path: Delivered-To: freebsd-bugs@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 D892FDBFDE8 for ; Tue, 8 Aug 2017 15:56:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (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 C5C0C67888 for ; Tue, 8 Aug 2017 15:56:02 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v78Fu2eC026064 for ; Tue, 8 Aug 2017 15:56:02 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 217747] sys/dev/mly/mly.c: PVS-Studio: NULL Pointer Dereference (CWE-476) (1) Date: Tue, 08 Aug 2017 15:56:02 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: patch X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: jhb@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Aug 2017 15:56:03 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D217747 --- Comment #1 from John Baldwin --- Created attachment 185158 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D185158&action= =3Dedit mly.patch I would probably either move the check of mc_data into the 'if (mc !=3D NUL= L)' block, or do the approach above where we just return immediately if we fail= to get a command and then 'mc' is never NULL when 'out' is jumped to. --=20 You are receiving this mail because: You are the assignee for the bug.=