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_MUTT 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 1B690C48BD6 for ; Tue, 25 Jun 2019 19:50:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E56482063F for ; Tue, 25 Jun 2019 19:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561492242; bh=KN0ZgJsc9+K9v0DVfc9fo1tn+6UOtaO/DiYm3aMs9Jc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=tf4XrLk+bNDWYGiOhDJLVOxVLXyqwHsqAMoZruGjdwJ2fEeeGQbhZ3rNKyu40X+LD wbllgomAWZVEj8K7TgwegWOe+l1UtzzqWMJ8nHNdT75XG9psI6juKhKyflkZcpINz2 sXElhPwm2ZpatA1wm78A/GAR5jLzzaFvD3u9/E2E= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726521AbfFYTul (ORCPT ); Tue, 25 Jun 2019 15:50:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:54512 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726274AbfFYTul (ORCPT ); Tue, 25 Jun 2019 15:50:41 -0400 Received: from localhost (unknown [167.220.24.221]) (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 056532063F; Tue, 25 Jun 2019 19:50:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561492240; bh=KN0ZgJsc9+K9v0DVfc9fo1tn+6UOtaO/DiYm3aMs9Jc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=2viJfRDaLnpOYs16A6bvDfZvt19nYfz70+O3EqWrlZFh8gTmEEw6LZcGuYM1WD+xH RtT4/WP12qjIm3NSNaHYAQFQpM9WBNy2Z6XB4OInSJmc5Q9/yLLAIKHF/FVZs8g4ul dMi0q0e4xxeTSZwBqBsR0hlA9JXXY8oAbPBlZ4Hs= Date: Tue, 25 Jun 2019 15:50:38 -0400 From: Sasha Levin To: Jack Wang Cc: gregkh@linuxfoundation.org, stable@vger.kernel.org Subject: Re: [stable-4.14 0/2] block layer fixes for silent data corruption Message-ID: <20190625195038.GB7898@sasha-vm> References: <20190625141725.26220-1-jinpuwang@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20190625141725.26220-1-jinpuwang@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Tue, Jun 25, 2019 at 04:17:23PM +0200, Jack Wang wrote: >A silent data corruption was introduced in v4.10-rc1 with commit >72ecad22d9f198aafee64218512e02ffa7818671 and was fixed in v4.18-rc7 >with commit 17d51b10d7773e4618bcac64648f30f12d4078fb. It affects >users of O_DIRECT, in our case a KVM virtual machine with drives >which use qemu's "cache=none" option. > >The other 2 commits has been accepted in 4.14, but 2 are missing, >ref: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796542 > >Please consider to include them in next release. I've ended up cherry picking these two into the 4.14 tree. -- Thanks, Sasha