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=-7.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 7F3E3C63777 for ; Thu, 26 Nov 2020 20:10:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A13D20DD4 for ; Thu, 26 Nov 2020 20:10:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="R/0z0D6D" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390034AbgKZUKI (ORCPT ); Thu, 26 Nov 2020 15:10:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34072 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730381AbgKZUKI (ORCPT ); Thu, 26 Nov 2020 15:10:08 -0500 Received: from mail-qt1-x841.google.com (mail-qt1-x841.google.com [IPv6:2607:f8b0:4864:20::841]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D2241C0613D4; Thu, 26 Nov 2020 12:10:06 -0800 (PST) Received: by mail-qt1-x841.google.com with SMTP id p12so1870096qtp.7; Thu, 26 Nov 2020 12:10:06 -0800 (PST) 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; bh=8pRtBJIFBeqqYV9Z9HF2XyEsAvN+gTbeLybLApfNI+U=; b=R/0z0D6D3UiuOb4/PIsTixHSCi4K/YiaGY+k56kbrviirYPgadNCjVjI9F+qrfSIfx NGBqCFLxRvN4y/zVd/J59agag6oRKP7hfv2/to1Y2M1Xpg44GCl2uld4HlrpVAKtpyVF xoZjq8KiAUt+kUe26JdjmpRZKgNYDRW2nN6ha5ROLkYCWmbDXcNfnA5/PywuVxYsQPlX 30r8xZt3itRHSM0JsYt0hI/XhdqEDvEfMmf0QGkJWTFYsQR+ATWpb6bG3q5Ma2t7wk7v JPLW0PkYMax2rLlPTSd9Rjz29klapWASV2eRpmRHFRP0NybNLmtCF7IM3KZxy9O/WV/w bJpQ== 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; bh=8pRtBJIFBeqqYV9Z9HF2XyEsAvN+gTbeLybLApfNI+U=; b=jNN+yT1s6YRMGv9LAU0ltyQNxPWv0y7WuzckFJ8V2W4zKmmvTebrVv2SBjXKmCJWTv r75R6fDyoNLtqgwywafaOE90tyggOkj+agODrrbA3vliRa7tSWK7kJwfvoEIVYGubToD SxMer4Sg1IbAx6P/PJsVDl7IXaLISECJvOlfa+HsBpSDdaJ45jdqJVoGa7+FuKNV1BUm OZiPB19uKWVBPhxAqYSC2s0Mq2mFrncpege9StGpECf37LjVHoiV6XbceS2ou0eAB9os Wk6P/B/1V8KX+pgapjyMII/bI7E32GH+UyIOFhPUSdGF5pQFcj+mg0McInlathmguwyl IyJA== X-Gm-Message-State: AOAM5301mpohmV9TgIJlngxw/8yM1yoZFSs74QCtsa1kixPOvu1W7QdB cJ8LlFCRmC2rUJ9mDeM4Uml1X6Jxz4roBPTbzKQ= X-Google-Smtp-Source: ABdhPJxdaGBvyaxgb9tCpfT7vAQyGjSFutNasmeQkN57K5nb2GD6EuRWzIcJc0w0OK6dlPrNjyW9pmEt+iHM1/AWX38= X-Received: by 2002:ac8:5345:: with SMTP id d5mr4885330qto.60.1606421406101; Thu, 26 Nov 2020 12:10:06 -0800 (PST) MIME-Version: 1.0 References: <5f31cde519b941308412b3849197ee7c@AcuMS.aculab.com> <31d944b52416dd3fb82902566bc3b23b@natalenko.name> In-Reply-To: <31d944b52416dd3fb82902566bc3b23b@natalenko.name> From: Dexuan-Linux Cui Date: Thu, 26 Nov 2020 12:09:55 -0800 Message-ID: Subject: Re: Oops (probably) unmounting /oldroot/firmware/efi/efivars. To: Oleksandr Natalenko Cc: Greg Kroah-Hartman , Ard Biesheuvel , David Laight , linux-efi , kernel list , matthew.garrett@nebula.com, jk@ozlabs.org, Dexuan Cui Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 25, 2020 at 2:11 AM Oleksandr Natalenko wrote: > > Hello. > > On 25.11.2020 09:32, Greg Kroah-Hartman wrote: > > On Tue, Nov 24, 2020 at 10:24:27PM +0100, Oleksandr Natalenko wrote: > >> Hi. > >> > >> On 24.11.2020 15:23, Ard Biesheuvel wrote: > >> > Surely caused by > >> > > >> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/efivarfs?id=fe5186cf12e30facfe261e9be6c7904a170bd822 > >> > >> This also soaked through the stable queue into v5.9.11, and now the > >> same BUG > >> is triggered in the latest stable kernel. > >> > >> /cc Greg > > > > cc: me for what? > > > > /me has no context as to what to do here... > > This was a precursor to > https://lore.kernel.org/stable/X74VBej49SCPVisA@kroah.com/ and you > already jumped in there. > > Thanks. > > -- > Oleksandr Natalenko (post-factum) FYI, I hit the same issue with v5.10.0-rc5. It looks like the issue has not been fixed in today's Linus tree. Thanks, Dexuan