Date: Wed, 16 May 2012 19:25:50 +0000 (UTC) From: Christian Brueffer <brueffer@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r235511 - stable/9/sys/security/mac_mls Message-ID: <201205161925.q4GJPoU2057934@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: brueffer Date: Wed May 16 19:25:50 2012 New Revision: 235511 URL: http://svn.freebsd.org/changeset/base/235511 Log: MFC: r234957 Check vplabel for NULL before dereferencing it. Fixes a panic when running atop with MAC_MLS enabled. Modified: stable/9/sys/security/mac_mls/mac_mls.c Directory Properties: stable/9/sys/ (props changed) Modified: stable/9/sys/security/mac_mls/mac_mls.c ============================================================================== --- stable/9/sys/security/mac_mls/mac_mls.c Wed May 16 17:51:56 2012 (r235510) +++ stable/9/sys/security/mac_mls/mac_mls.c Wed May 16 19:25:50 2012 (r235511) @@ -2028,6 +2028,9 @@ mls_system_check_acct(struct ucred *cred if (!mls_enabled) return (0); + if (vplabel == NULL) + return (0); + subj = SLOT(cred->cr_label); obj = SLOT(vplabel);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201205161925.q4GJPoU2057934>