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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 35561C48BD5 for ; Tue, 25 Jun 2019 15:06:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0AA42208E3 for ; Tue, 25 Jun 2019 15:06:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aYnVPF7z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731938AbfFYPGd (ORCPT ); Tue, 25 Jun 2019 11:06:33 -0400 Received: from mail-qk1-f194.google.com ([209.85.222.194]:45462 "EHLO mail-qk1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730607AbfFYPGd (ORCPT ); Tue, 25 Jun 2019 11:06:33 -0400 Received: by mail-qk1-f194.google.com with SMTP id s22so12838001qkj.12; Tue, 25 Jun 2019 08:06:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=bELmNNrnslYbuDFKjG/eQ34XIMdof74I0tg6yMjaKmA=; b=aYnVPF7zd1KE6zNs306l3HZM/2M5rLu9+bVjs4QvJiF2jbGzsH1JuOsZQqSrAfSNX+ VUpY+0MvQFofyB8uhggGXMl5YQBuHFaBZeqqya2qhf7bbfe+OtccC3SuKJUDiSJDUT1E /zQalvONctY/tAqo6dX24Q5xSvR2iyVQ5nkCOfDdoSHOeq6J3NERy4CeiNwZH7Knn76H 7jlMOBk/cP2BrsfrIWm6ajCFLoygSzCMc162Vg5JTUIUwwOBv0N5VOCQFCQHbA55jqC3 4U6Rji/vRptvBs55J8COtor4tENBxhApB/NGsknY9ppLIkcKokKRRAEZLFTLKbt1whmE Un7g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=bELmNNrnslYbuDFKjG/eQ34XIMdof74I0tg6yMjaKmA=; b=NK0wRnpgyrNq+YCy6IHMYgJVLu3bbGYzc4uNA3Lyc6rUbSUoF0juWRBUtpxSNM+x/k Q271QtIXvjQPXJ0M4XOGzf+z2xdy6Rskx3oBP4WVbS1eILw9g7t0YeVj8kRSim2/7fY0 V+kskgtH7mjsVJPwzqOVl7CBYpzgthwEq5bWo+/c6o//DtYawgEbKJwB83mxLGN9FlMZ iVcfEIQUUg2v9ks1Y6qrDto8csBDNJo2S4EXptAsjEn3/xkf828OkrqiTqmhq4C1e8if LfaneUe8ixNlPJwCc79TvVqXW2su9xGHK075+yG3f9dahsoUwFqltPOUgcN23njB/KVV 0iwg== X-Gm-Message-State: APjAAAVZVM2QbFVE3SqXJgMUKEKkAZyhs22uJULPP4iPEtVbXT162O+X gH35hxx2GzFVt4FxXeuxg9saWEN7Rjz7AC5hLGU= X-Google-Smtp-Source: APXvYqyx0QseH6SXwVmzmo+9GWLxHuefdKjKG8yiwmM0xM37iwxfQ7PzIdCh9+Lkkc3hvdOoPafVm/r8iodbKy+oXl0= X-Received: by 2002:a37:ea0c:: with SMTP id t12mr56728789qkj.117.1561475192105; Tue, 25 Jun 2019 08:06:32 -0700 (PDT) MIME-Version: 1.0 References: <20190516142342.28019-1-smuchun@gmail.com> <20190524190443.GB29565@kroah.com> <20190618152859.GB1912@kroah.com> <20190618161340.GA13983@kroah.com> In-Reply-To: From: Muchun Song Date: Tue, 25 Jun 2019 23:06:22 +0800 Message-ID: Subject: Re: [PATCH v4] driver core: Fix use-after-free and double free on glue directory To: Benjamin Herrenschmidt , Greg KH Cc: "Rafael J. Wysocki" , Prateek Sood , Mukesh Ojha , gkohli@codeaurora.org, linux-kernel , linux-arm-msm , zhaowuyun@wingtech.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Benjamin Herrenschmidt =E4=BA=8E2019=E5=B9=B46= =E6=9C=8819=E6=97=A5=E5=91=A8=E4=B8=89 =E4=B8=8A=E5=8D=885:51=E5=86=99=E9= =81=93=EF=BC=9A > > On Tue, 2019-06-18 at 18:13 +0200, Greg KH wrote: > > > > Again, I am totally confused and do not see a patch in an email that > > I > > can apply... > > > > Someone needs to get people to agree here... > > I think he was hoping you would chose which solution you prefered here Yeah, right, I am hoping you would chose which solution you prefered here. Thanks. > :-) His original or the one I suggested instead. I don't think there's > anybody else with understanding of sysfs guts around to form an > opinion. > Yours, Muchun