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=-2.2 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 494DEC43334 for ; Tue, 4 Sep 2018 07:06:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EA2EF20869 for ; Tue, 4 Sep 2018 07:06:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="n3AOUEZV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA2EF20869 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726367AbeIDLaH (ORCPT ); Tue, 4 Sep 2018 07:30:07 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:36045 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725977AbeIDLaH (ORCPT ); Tue, 4 Sep 2018 07:30:07 -0400 Received: by mail-pf1-f195.google.com with SMTP id b11-v6so1227930pfo.3; Tue, 04 Sep 2018 00:06:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=svu6c6Gb+2afHOTExqKRs13z01PtzHgjngZpaLueMPw=; b=n3AOUEZVllmg9dQBtKw6KU64LqjFTO8EdhZh33jvHBNV/kDbOlY4WIG4dFIf85cuWz R8lmAAxkgIHdwaSHlwQtKznr84ebYVz/fj9++8aGHxUB0IRIqk5QI32pmZuPRoz6siqu Bo1Ot0IONVHgYlm1Tj1DKD6GWbgJ00h9POBxX0AtK4L7sZYN8SGKBr+EvwoC9IX6nTHA 3UkqqlSWJPFxLaJY3TcT/1WOadvaKhF0s7o6aKdowTKRpfcIa2ESsuSZdfYCQc4wo67y MSBc5NYlyBjy1XdckobYGo1LVRhsbSI1afOe16kvDQJGJ5fiP4qxffhqO9GCMl7YjaBk Uglw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=svu6c6Gb+2afHOTExqKRs13z01PtzHgjngZpaLueMPw=; b=GToC7dkcevqq2QFKBNgrmtzKmE6aahiB+P5Jf2LyVA1+m9OxvBcpZsMKBwedEqCMnc 0UkzbN9ITFpEhc1BOcbNaZoFUgvU8KDuAd20JJgmAn/l+rom5ji0CPXqHFH7nlALz5E2 V/gUUqg18mvVrTIZJyOE+gt42yHCo1db/puRHvCSHAPuB/xatBp8RtkwJrHjFreQQK9n FjB0w36UXr4nsmdR5O+SRRhWjR9p85u2d4LSSI4mazY99LJLm6QRvTzuOUNuGYo3kyaa e4VwA75KZB5MF1CoLVRDcpdv9QDOen1xOssEJvmWAS0oj/uYTO4x0O9rBA8zR/w7DMdr 7HZA== X-Gm-Message-State: APzg51DOjYYIZXPCJmBPyDNZkq7YGubeqbxjORJJ/28iluQNYh8JgVL8 4bsotbU7Caqc1xt03cJbt3oM9uzv X-Google-Smtp-Source: ANB0VdYAy2unobs/kFoJ/krmTPPrFmgyiUTVmKyYynlA+TS3UP4h5TeUHcURdQ1N0NO1G6hiZgowXg== X-Received: by 2002:a63:d613:: with SMTP id q19-v6mr30167260pgg.327.1536044781105; Tue, 04 Sep 2018 00:06:21 -0700 (PDT) Received: from localhost ([175.223.26.230]) by smtp.gmail.com with ESMTPSA id e73-v6sm36104380pfb.153.2018.09.04.00.06.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 04 Sep 2018 00:06:19 -0700 (PDT) Date: Tue, 4 Sep 2018 16:06:16 +0900 From: Sergey Senozhatsky To: Jiri Slaby Cc: Sergey Senozhatsky , Dmitry Safonov , linux-kernel@vger.kernel.org, Dmitry Safonov <0x7f454c46@gmail.com>, Daniel Axtens , Dmitry Vyukov , Michael Neuling , Mikulas Patocka , Nathan March , Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= , Peter Hurley , Tan Xiaojun , Tetsuo Handa , syzbot+3aa9784721dfb90e984d@syzkaller.appspotmail.com, Greg Kroah-Hartman , stable@vger.kernel.org Subject: Re: [PATCHv2 2/4] tty: Hold tty_ldisc_lock() during tty_reopen() Message-ID: <20180904070616.GA11702@jagdpanzerIV> References: <20180903165257.29227-1-dima@arista.com> <20180903165257.29227-3-dima@arista.com> <20180904015139.GA4251@jagdpanzerIV> <7e62b122-3b9e-dc46-d99f-9055bb67d670@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7e62b122-3b9e-dc46-d99f-9055bb67d670@suse.com> 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 (09/04/18 08:30), Jiri Slaby wrote: > > >> Cc: stable@vger.kernel.org # depends on commit b027e2298bd5 ("tty: fix > >> data race between tty_init_dev and flush of buf") > > > > I believe there's a "Fixes" tag for that > > > > Fixes: b027e2298bd5 ("tty: fix data race between tty_init_dev and flush of buf") > > Cc: stable@vger.kernel.org > > Nope, it would be translated as: > Backport-first: b027e2298bd5 > :) :) Ah, OK. So this "Backport-first:" is for pre-4.9 longterm kernels. As far as I can see linux-4.9.y picked up b027e2298bd5: commit 55eaecffe3d663d02084023b9fc06d5f39b97389 Author: Gaurav Kohli Date: Tue Jan 23 13:16:34 2018 +0530 tty: fix data race between tty_init_dev and flush of buf commit b027e2298bd588d6fa36ed2eda97447fb3eac078 upstream. -ss