From owner-freebsd-bugs@freebsd.org Thu Jul 12 10:48:24 2018 Return-Path: Delivered-To: freebsd-bugs@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 064C910257A9 for ; Thu, 12 Jul 2018 10:48:24 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 926C489F20 for ; Thu, 12 Jul 2018 10:48:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 5618310257A1; Thu, 12 Jul 2018 10:48:23 +0000 (UTC) Delivered-To: bugs@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 2E92310257A0 for ; Thu, 12 Jul 2018 10:48:23 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id BA9EB89F1F for ; Thu, 12 Jul 2018 10:48:22 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id DBA3426B8F for ; Thu, 12 Jul 2018 10:48:21 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w6CAmL37012371 for ; Thu, 12 Jul 2018 10:48:21 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w6CAmLYt012370 for bugs@FreeBSD.org; Thu, 12 Jul 2018 10:48:21 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 229720] src/lib/libugidfw/ugidfw.c:105: poor error checking ? Date: Thu, 12 Jul 2018 10:48:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: misc X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dcb314@hotmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: 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: 2.1.27 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 12 Jul 2018 10:48:24 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229720 Bug ID: 229720 Summary: src/lib/libugidfw/ugidfw.c:105: poor error checking ? Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: misc Assignee: bugs@FreeBSD.org Reporter: dcb314@hotmail.com src/lib/libugidfw/ugidfw.c:105]: (style) Checking if unsigned variable 'len= ' is less than zero. Source code is len =3D snprintf(cur, left, "uid %s", pwd->pw_name); if (len < 0 || len > left) but len is unsigned and the return value from snprintf is int.=20 Suggest sanity check return value before assignment into unsigned variable. Multiple duplicates: src/lib/libugidfw/ugidfw.c:112]: (style) Checking if unsigned variable 'len= ' is less than zero. [src/lib/libugidfw/ugidfw.c:123]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:130]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:137]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:145]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:155]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:162]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:173]: (style) Checking if unsigned variable 'le= n' is less than zero. [src/lib/libugidfw/ugidfw.c:180]: (style) Checking if unsigned variable 'le= n' is less than zero. ... --=20 You are receiving this mail because: You are the assignee for the bug.=