Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp3086165pxk; Mon, 28 Sep 2020 08:03:55 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxx7VdagyYZiC0fW+7rcqcbDZgHlnMAfjzNOEy4g1wjj8q/JJOAf9Qgk+qzNS0jjKM0Nqix X-Received: by 2002:a17:906:8401:: with SMTP id n1mr2002084ejx.215.1601305434890; Mon, 28 Sep 2020 08:03:54 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1601305434; cv=none; d=google.com; s=arc-20160816; b=PaFrDgYiUbocEmZNeXToSHWRKDrWAX2imSp9IEmK1KSj5IiyyqXuHDoY/TedcOBYr8 ySz7ln9o/jbg3yAUP1Tlo0fXybTxowJleMJ3UhR9osJ5Yo5PFdRVZ7nSFAuSENZvrGk2 wor1SnTCsHzJJHatBJSPQ+Vds1meWbZN9GZwVu2XbAV5EciBMrSEz6sICpYlDE1el9sY 8SctYbJUwD4Ts9ARaJm4Grsgd77nxmE1OSFuqwsjLrdr0GJrfp6GlJZSED/R7fNUF/tp EYgl/kNo0gP21hvwKzIBF7zmKOeN3V6cgTqHzQBRo1/BMCxwmaRhTPCqLMpjy7/mphU5 5mCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:from:subject:message-id:in-reply-to:date :mime-version; bh=vgUtXMoVzIZuhx8MiM8mjs9qIwIIfUuwYTFaRd2LK1M=; b=pdBJl82wKWsRj/O6tV9cLGneudouKjkImX1BOmnHe1hxgoPeSxpy1kl+ctKIHPNc6n X5F5m0liAO45D32LWyF12qgu0LNnZsvRojrQrcYGptvbm2DqFXGHPjimV6rssU+ZBF9y NP2A6yC1fcMIT3/0L/JLW+JBtcax26C6HDIRJKrOWl7AcIt+50RR3TXIpDXJX5gNyv8N fA6oPtb8Hp8nOzFphAafKrrv3x1aMKs4ye2KKZ0DQ2CsY921rYE5EwuWh6BexFsU95n+ VMuE2CfnlBHcmshUHtzwFqMrzmGkMREXxGaox3nU0DJsgR/Ze5w5smbRNsNrGvhcgWOZ n2Lg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id u15si732377ejx.239.2020.09.28.08.03.24; Mon, 28 Sep 2020 08:03:54 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726744AbgI1PBY (ORCPT + 99 others); Mon, 28 Sep 2020 11:01:24 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:56557 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726722AbgI1PBX (ORCPT ); Mon, 28 Sep 2020 11:01:23 -0400 Received: by mail-il1-f197.google.com with SMTP id d16so982497ila.23 for ; Mon, 28 Sep 2020 08:01:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to:cc; bh=vgUtXMoVzIZuhx8MiM8mjs9qIwIIfUuwYTFaRd2LK1M=; b=I1bpl8W2Lbm3CqaJlTJQYxDPWco7RUa6Exg206GLKpYvsKu1pqo1Vqi2t3Wyr0RcGB 3lDqHaEMS5B8Rbr2RhvTGTlAMED4F2XOUuAd7fFf7gFSOiVmDxtAh5exdCmpd6UcrARn 1H7xygZTc2nhvmXQlTgeOptNy+V3K3i+PU7RsGGoZGYSyW2Z2HBRscW0V477F0zYw6wE RxvrwFyG/VQP8bjfWz9b9Yuj4wxuqByTaxKr/JJMPcyDCdCylOz3Rl1bvIxq5h1nh9l5 kaQR84SCExhjj7ZR0grguIIFbtNEcis41IYJYySZ5Ldwxh2dv/YA9Z5ur4lq5IaGOBov m1CA== X-Gm-Message-State: AOAM533w/dycdQhulFPsXfvNWddbsnWx7hSdk1dHcSFk08wh5zOVrro7 P/VEM+n2h2WrdMnFS29Z9hiFAr2D5Dd6R7bjevjoh4EJ7OQt MIME-Version: 1.0 X-Received: by 2002:a92:4805:: with SMTP id v5mr1662666ila.170.1601305282258; Mon, 28 Sep 2020 08:01:22 -0700 (PDT) Date: Mon, 28 Sep 2020 08:01:22 -0700 In-Reply-To: <69d85830-b846-72ad-7315-545509f3a099@kernel.dk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000086c59505b060f073@google.com> Subject: Re: Re: possible deadlock in io_write From: syzbot To: Jens Axboe Cc: axboe@kernel.dk, io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Not the prettiest solution, but I don't think that's a real concern as > this is just for human consumption. > > #syz test: git://git.kernel.dk/linux-block io_uring-5.9 This crash does not have a reproducer. I cannot test it. > > -- > Jens Axboe >