From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA7B8C2D0F8 for ; Tue, 12 May 2020 23:30:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B4F6320753 for ; Tue, 12 May 2020 23:30:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="MXly7Bwk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727104AbgELX37 (ORCPT ); Tue, 12 May 2020 19:29:59 -0400 Received: from us-smtp-1.mimecast.com ([205.139.110.61]:41736 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725938AbgELX37 (ORCPT ); Tue, 12 May 2020 19:29:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589326198; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IqdlvKpMoIpWtbvNPmb2zhCeciUUo4G6qYPFhXtCsiU=; b=MXly7BwkPIchhK3TsNqu+ABJim097fkXIpN0SQ6V+WqH9MmTp16vxwg2042D2EKfHcwCfz 6JoNBwYVlZYyQfl9mEb+MZmU+x6e3i2BeDsINXw5g1PWmmlx6Uxb9LcApbjGnnVPuKOh11 tXsbpnMEu0JYaJP5TVUnRw+/7gzjdpw= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-468-SvcAXEulM1S1hoMbITGG9A-1; Tue, 12 May 2020 19:29:56 -0400 X-MC-Unique: SvcAXEulM1S1hoMbITGG9A-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 4483A1841920; Tue, 12 May 2020 23:29:55 +0000 (UTC) Received: from warthog.procyon.org.uk (ovpn-112-59.rdu2.redhat.com [10.10.112.59]) by smtp.corp.redhat.com (Postfix) with ESMTP id 853A15C1B5; Tue, 12 May 2020 23:29:53 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <31941725-BEB0-4839-945A-4952C2B5ADC7@lca.pw> References: <31941725-BEB0-4839-945A-4952C2B5ADC7@lca.pw> To: Qian Cai Cc: dhowells@redhat.com, Alexander Viro , linux-fsdevel@vger.kernel.org, LKML , Linux-Next Mailing List , Stephen Rothwell Subject: Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list" MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Wed, 13 May 2020 00:29:52 +0100 Message-ID: <2961585.1589326192@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org Qian Cai wrote: > Reverted the linux-next commit ee8ad8190cb1 (=E2=80=9Cvfs, fsinfo: Add an= RCU safe per-ns mount list=E2=80=9D) fixed the null-ptr-deref. Okay, I'm dropping this commit for now. David