From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755085Ab1GDLwm (ORCPT ); Mon, 4 Jul 2011 07:52:42 -0400 Received: from www262.sakura.ne.jp ([202.181.97.72]:54239 "EHLO www262.sakura.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751473Ab1GDLwl (ORCPT ); Mon, 4 Jul 2011 07:52:41 -0400 X-Nat-Received: from [202.181.97.72]:49329 [ident-empty] by smtp-proxy.isp with TPROXY id 1309780317.2702 To: richard@nod.at Cc: viro@zeniv.linux.org.uk, akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH][Resend v2] Fix infinite loop in search_binary_handler() From: Tetsuo Handa References: <1309779003-8668-1-git-send-email-richard@nod.at> In-Reply-To: <1309779003-8668-1-git-send-email-richard@nod.at> Message-Id: <201107042051.HEB57830.OJFtMLFSOHFVQO@I-love.SAKURA.ne.jp> X-Mailer: Winbiff [Version 2.51 PL2] X-Accept-Language: ja,en,zh Date: Mon, 4 Jul 2011 20:51:55 +0900 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Anti-Virus: Kaspersky Anti-Virus for Linux Mail Server 5.6.44/RELEASE, bases: 04072011 #5726947, status: clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Richard Weinberger wrote: > Running a x86_64 kernel without ia32 emulation and a x86 user land > triggers this issue. Executing /sbin/modprobe for x86_32 on an x86_64 kernel without x86_32 support? Anyway, request_module() calls __request_module() but __request_module() stops at MAX_KMOD_CONCURRENT levels of nesting. So, I think "infinite loop" cannot happen.