Received: by 2002:a05:6a10:d5a5:0:0:0:0 with SMTP id gn37csp1389298pxb; Thu, 7 Oct 2021 06:54:48 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzBiG0+0hdbRTi5d/FfOorOhTKSoi6Gy0MtJ+g8cKmKGNyb/aQI8zTvpnYmIeSbfTgxUVJD X-Received: by 2002:a17:907:2bc2:: with SMTP id gv2mr5655728ejc.433.1633614888165; Thu, 07 Oct 2021 06:54:48 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1633614888; cv=none; d=google.com; s=arc-20160816; b=F8X9VZDdbZ9agWDjqg+lLW9vTjllCl3HNM8qT93j2DLgoRIboxpcOiTNeEM/B1x+LU EdA7AVDkorInO0rrsZrV2GxESe6dgfBn0fU60sRK2GgJm2HKY8a029//wK0KILIJuyCj l2FjReOeGeloUI25vRUAC6/szP1igTt4oYG0rGrPJ74Tw0AcTv8J1YVVCioPYzpgN2OV /qmgl9Rk5SjruFKjXSSV8BvVXm7qIhipYelTrk54xtK476b5+JNR2WNpwiU3/7k6Xvq/ QRfDnzajxkMIcRBwr9/Kga4pf+hz3Z94ONC/rNIDzUCwhLSjkCv/PhhEQetVv5PvD/H2 T1Hw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:to:from:subject:message-id:in-reply-to:date :mime-version; bh=k96NZorIcc3w71vpZVSD9lWX/QFgQw0ZG/aaQMm0TMQ=; b=mz+COK2AXjeMfz1Bf3c5sjzpPu6hG0jSkMZYJFVEDv1RJAejO2aHmbw9BYtesUheg6 r172urktv5IdOVThNh2OT6zIACso2s4ijthsAxIHIFdUxAfPZfjqMGDwXEObZ17+d5BX Lr+Da0wzKnT0rjblwNpMv1DyuBWCSdYGltUhjspO080sKJcjrKElH+6EgvEwIAPCX+pu 2LDNxxa2auy/3fbQ0ICjX/xyYNkO2GSwxGhanqRRzWdU58e74YzNTU3ob4DmIP8Z1/jf Y4w0kNFEQvXNtHDDuerjT5Lyw6as0GCD+AqzW+QhRRR7Ne0GJeeJNy31rdymRojkxhxt q0mQ== 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 j25si12098706eje.334.2021.10.07.06.54.23; Thu, 07 Oct 2021 06:54:48 -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 S232936AbhJGNwI (ORCPT + 99 others); Thu, 7 Oct 2021 09:52:08 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:52789 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230195AbhJGNwB (ORCPT ); Thu, 7 Oct 2021 09:52:01 -0400 Received: by mail-io1-f71.google.com with SMTP id w9-20020a05660201c900b005d68070ebc1so4789100iot.19 for ; Thu, 07 Oct 2021 06:50:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=k96NZorIcc3w71vpZVSD9lWX/QFgQw0ZG/aaQMm0TMQ=; b=okiQh9Qgs/TIWhMPG8p0OVtfpDfFl8xP7ghR3q1JoXcxbsUBKFfQUoNSKJRj9IsLkE YJo9Y9VW/do6wtPuyU5xtKCMfC2Y8MIrm0t+dbU792y8iPanbFHRh3jR+9ZlLp2ARn8d Zxr6PfwtI0pCfH6Yc0zL93lr9tmUx386FgSz1oCNqFOBC/Tj+6+Wb4gyQBlJ9pRTKvLp eRLq1uNiliPFJAp4R9ilybxQBtCRNuMeSnIBbAdevLTm1WydFw1kRLsQYlVqfv4w9sr4 IcFf3vluVTuIr2UxWxwgP1UhhFEQdP7oGc5KpxclEe1Bv+kNLzmYmkVfGTXuraF3Y0Bw zJOQ== X-Gm-Message-State: AOAM533i0zUgqN85angcYbhexvsgPUIMTwkW5ILG47FLMmFzh8nmTgDR 5k9eSQeBg4IeoDFYN2Vsd0QXz753/dDQJkSB4du4ukdnZfDi MIME-Version: 1.0 X-Received: by 2002:a5e:db44:: with SMTP id r4mr3234965iop.56.1633614607282; Thu, 07 Oct 2021 06:50:07 -0700 (PDT) Date: Thu, 07 Oct 2021 06:50:07 -0700 In-Reply-To: <20211007084449.GA12712@quack2.suse.cz> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005dfa4805cdc38a2d@google.com> Subject: Re: [syzbot] possible deadlock in dquot_commit From: syzbot To: dvyukov@google.com, jack@suse.cz, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, syzkaller@googlegroups.com, tytso@mit.edu Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+3b6f9218b1301ddda3e2@syzkaller.appspotmail.com Tested on: commit: 60a94835 Merge tag 'warning-fixes-20211005' of git://g.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git kernel config: https://syzkaller.appspot.com/x/.config?x=74f6ab826fb913cd dashboard link: https://syzkaller.appspot.com/bug?extid=3b6f9218b1301ddda3e2 compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.2 patch: https://syzkaller.appspot.com/x/patch.diff?x=162860d0b00000 Note: testing is done by a robot and is best-effort only.