Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933800AbYBTQd3 (ORCPT ); Wed, 20 Feb 2008 11:33:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1765801AbYBTQQH (ORCPT ); Wed, 20 Feb 2008 11:16:07 -0500 Received: from e4.ny.us.ibm.com ([32.97.182.144]:47435 "EHLO e4.ny.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1765120AbYBTQQF (ORCPT ); Wed, 20 Feb 2008 11:16:05 -0500 Date: Wed, 20 Feb 2008 10:15:50 -0600 From: "Serge E. Hallyn" To: lkml Subject: [PATCH 1/1] file capabilities: simplify signal check Message-ID: <20080220161550.GA14630@sergelap.austin.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1265 Lines: 37 >From bd076c7245d02be0cc01b7c09bd7170ec5946492 Mon Sep 17 00:00:00 2001 From: Serge E. Hallyn Date: Sun, 17 Feb 2008 20:28:07 -0500 Subject: [PATCH 1/1] file capabilities: simplify signal check Simplify the uid equivalence check in cap_task_kill(). Anyone can kill a process owned by the same uid. Without this patch wireshark is reported to fail. Signed-off-by: Serge E. Hallyn Signed-off-by: Andrew G. Morgan --- security/commoncap.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/security/commoncap.c b/security/commoncap.c index 5aba826..bb0c095 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -552,7 +552,7 @@ int cap_task_kill(struct task_struct *p, struct siginfo *info, * allowed. * We must preserve legacy signal behavior in this case. */ - if (p->euid == 0 && p->uid == current->uid) + if (p->uid == current->uid) return 0; /* sigcont is permitted within same session */ -- 1.5.1.1.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/