From owner-svn-src-all@FreeBSD.ORG Mon Mar 19 01:51:09 2012 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 14479106566B; Mon, 19 Mar 2012 01:51:08 +0000 (UTC) (envelope-from eadler@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id B8ED88FC12; Mon, 19 Mar 2012 01:51:08 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.4/8.14.4) with ESMTP id q2J1p80f045433; Mon, 19 Mar 2012 01:51:08 GMT (envelope-from eadler@svn.freebsd.org) Received: (from eadler@localhost) by svn.freebsd.org (8.14.4/8.14.4/Submit) id q2J1p8PF045431; Mon, 19 Mar 2012 01:51:08 GMT (envelope-from eadler@svn.freebsd.org) Message-Id: <201203190151.q2J1p8PF045431@svn.freebsd.org> From: Eitan Adler Date: Mon, 19 Mar 2012 01:51:08 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r233152 - stable/9/lib/libutil X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 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, 19 Mar 2012 01:51:09 -0000 Author: eadler Date: Mon Mar 19 01:51:08 2012 New Revision: 233152 URL: http://svn.freebsd.org/changeset/base/233152 Log: MFC r231306: Fix NULL ptr dereference in setusercontext if pwd is null, LOGIN_SETPRIORITY is set, and setting the priority (rtprio or setpriority) fails. PR: kern/164238 Approved by: cperciva Modified: stable/9/lib/libutil/login_class.c Directory Properties: stable/9/lib/libutil/ (props changed) Modified: stable/9/lib/libutil/login_class.c ============================================================================== --- stable/9/lib/libutil/login_class.c Mon Mar 19 01:33:24 2012 (r233151) +++ stable/9/lib/libutil/login_class.c Mon Mar 19 01:51:08 2012 (r233152) @@ -452,18 +452,21 @@ setusercontext(login_cap_t *lc, const st p = (rtp.prio > RTP_PRIO_MAX) ? 31 : p; if (rtprio(RTP_SET, 0, &rtp)) syslog(LOG_WARNING, "rtprio '%s' (%s): %m", - pwd->pw_name, lc ? lc->lc_class : LOGIN_DEFCLASS); + pwd ? pwd->pw_name : "-", + lc ? lc->lc_class : LOGIN_DEFCLASS); } else if (p < PRIO_MIN) { rtp.type = RTP_PRIO_REALTIME; rtp.prio = abs(p - PRIO_MIN + RTP_PRIO_MAX); p = (rtp.prio > RTP_PRIO_MAX) ? 1 : p; if (rtprio(RTP_SET, 0, &rtp)) syslog(LOG_WARNING, "rtprio '%s' (%s): %m", - pwd->pw_name, lc ? lc->lc_class : LOGIN_DEFCLASS); + pwd ? pwd->pw_name : "-", + lc ? lc->lc_class : LOGIN_DEFCLASS); } else { if (setpriority(PRIO_PROCESS, 0, (int)p) != 0) syslog(LOG_WARNING, "setpriority '%s' (%s): %m", - pwd->pw_name, lc ? lc->lc_class : LOGIN_DEFCLASS); + pwd ? pwd->pw_name : "-", + lc ? lc->lc_class : LOGIN_DEFCLASS); } }