From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steffen Klassert Subject: Re: [PATCH] xfrm: Remove useless secid field from xfrm_audit. Date: Tue, 22 Apr 2014 14:02:56 +0200 Message-ID: <20140422120256.GT32371@secunet.com> References: <201404190100.IJG17653.VOSHJMtFQFOLOF@I-love.SAKURA.ne.jp> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: , , , To: Tetsuo Handa Return-path: Received: from a.mx.secunet.com ([195.81.216.161]:50025 "EHLO a.mx.secunet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932228AbaDVMDF (ORCPT ); Tue, 22 Apr 2014 08:03:05 -0400 Content-Disposition: inline In-Reply-To: <201404190100.IJG17653.VOSHJMtFQFOLOF@I-love.SAKURA.ne.jp> Sender: netdev-owner@vger.kernel.org List-ID: On Sat, Apr 19, 2014 at 01:00:27AM +0900, Tetsuo Handa wrote: > >From 049fe797638a75b902b5c7bb845f6320bc0b47f6 Mon Sep 17 00:00:00 2001 > From: Tetsuo Handa > Date: Fri, 18 Apr 2014 16:23:46 +0900 > Subject: [PATCH] xfrm: Remove useless secid field from xfrm_audit. > > It seems to me that commit ab5f5e8b "[XFRM]: xfrm audit calls" is doing > something strange at xfrm_audit_helper_usrinfo(). > If secid != 0 && security_secid_to_secctx(secid) != 0, the caller calls > audit_log_task_context() which basically does > secid != 0 && security_secid_to_secctx(secid) == 0 case > except that secid is obtained from current thread's context. > > Oh, what happens if secid passed to xfrm_audit_helper_usrinfo() was > obtained from other thread's context? It might audit current thread's > context rather than other thread's context if security_secid_to_secctx() > in xfrm_audit_helper_usrinfo() failed for some reason. > > Then, are all the caller of xfrm_audit_helper_usrinfo() passing either > secid obtained from current thread's context or secid == 0? > It seems to me that they are. > > If I didn't miss something, we don't need to pass secid to > xfrm_audit_helper_usrinfo() because audit_log_task_context() will > obtain secid from current thread's context. Yes, looks like that. Applied to the ipsec-next tree. Thanks!