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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 F397EECE58C for ; Mon, 14 Oct 2019 04:20:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC78620854 for ; Mon, 14 Oct 2019 04:20:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571026826; bh=UH2FJJjoCiU1qjfvJdipEMpbtiUAiR4aZAvbE8vj8tk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Bu5Sz88zwCuhuOd3+KVLcfFf4JZILiLwi8PL7Yk8OnuVwes1Bv6fIJrOqJSphq6po c0d3n4oc1Fs3OVTpV77m1Dq312437zi1e66Y/LKV6544CHU60VjyVbvNePfXahylyJ CuNQkQjOVaOeA/awtUv5JJ5rJNZPgrVpoSPcL8Uw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726582AbfJNEUZ (ORCPT ); Mon, 14 Oct 2019 00:20:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:39452 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725798AbfJNEUZ (ORCPT ); Mon, 14 Oct 2019 00:20:25 -0400 Received: from localhost (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 801A720854; Mon, 14 Oct 2019 04:20:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571026824; bh=UH2FJJjoCiU1qjfvJdipEMpbtiUAiR4aZAvbE8vj8tk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=H0+Wh8I+gixteWTFO3OBe8C0/dCgOvHBarOR15vWaTFaD6rszavLVIUgcIsB/xuTH /MZVojICmdgwgD9ehm8/FFMy0DFII0E8Wus1OD7/ufAi59bVBlcXTIRj+MqsNN+gUU KZgmDbPnr5btDxg+PEjLNXjJO3EUfgye3B8UqQlg= Date: Mon, 14 Oct 2019 00:20:23 -0400 From: Sasha Levin To: Andrew Macks Cc: stable@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: Regression in 4.14.147, 4.19.76, 5.2.18 leading to kernel panic on btrfs root fs mount Message-ID: <20191014042023.GA31224@sasha-vm> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Oct 13, 2019 at 07:04:12PM +0300, Andrew Macks wrote: >Was not sure the correct way to escalate this quickly enough. I >unfortunately discovered this issue while upgrading a server (remotely) to >4.19.78 (longterm). > >*Bug 205181* - kernel >panic when accessing btrfs root device with f2fs in kernel >https://bugzilla.kernel.org/show_bug.cgi?id=205181 Okay, I've backported 38fb6d0ea3429 ("f2fs: use EINVAL for superblock with invalid magic") to 4.19 and 4.14. It'll be great if someone could ack that backport. Sorry for the breakage. -- Thanks, Sasha