From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8DBDA920 for ; Thu, 17 Apr 2025 04:03:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744862636; cv=none; b=Kl+PQfjZYwi1LcctYjEzLLW8ICn6hJ8xX6hEW3fyKMkoHoBVenYRZb4nsOpaXMwHSV9h5VetJLDEv+Zp3lsuaVIRmDoGZKmpWHMgF7iuZAE183LIAguw4fq4elfUDRubiXJZwTT7a5GxYMQn4jvlnttfEAx1eWynnOcXEHcSD4s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744862636; c=relaxed/simple; bh=1bFR0C3jNLA9tSkGV71HxjxgDBotPlSsrG0KeonFzTo=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=UOIrMYiYNFCD22dxImB+8B1Jo/VuRTs4yQQ3MVAQ7qUSj0jWUL+UO8OhdXdR7BtDZyH0vD5r060pFqWICTYmTnqWvANpXYvqQW1I/Hj89/zMOC2tYBBPpJYIjsGucs7d3v9Y5ryG1N4GPlfWMEfidFXsbno24DCaboONEzuIN9w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.200 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-il1-f200.google.com with SMTP id e9e14a558f8ab-3d5b3819ff9so3827465ab.0 for ; Wed, 16 Apr 2025 21:03:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1744862634; x=1745467434; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=DRWmYyNjOgoVTWwvG5rZdm5gRwNqTNVjxqguvMWZWfI=; b=FftBU+/FHJV9qbWknPmpWBVMlxWAG3q919q1TEuGn8pU0FM7wYYwALq4XHJ1b12G/w LewZjxlLW7Mtv6qIt5zcH9Yew752Eeqqi9EpjfddZgHT1K0bBIT8HxsHaVLit0LEAWkp Cg98OxDIP55JxVX6dVlfWcLWWdaz0m8NEUBKtEkS1lwgcdTyPfbqB98liAkheb6QoGtN jIkoNvHYhTr/fq4SsDHReBaLl26KdQDT+bRf3b2worp1FPyPdvTvoHedbpQeyLkYsg3+ yeJ28wOFb65BOD9vNyfXG1yCeNLdRNo5ys2ko99migWudp9/fj/QgLHSBZ0xAEkXrPsi +xgw== X-Gm-Message-State: AOJu0YxtKlXReXFTjWuZff+KF+1KPdOjb7RB3ZVzvuc+Acpb9nZz3aJH vovdWPR7PavDHx+9DRaBVuZkIxLTsaigo4Hm3EuBAPaanY1K2wBI19qdcEHOSqbVr6vxXoDHsi9 1qGH5lOyzS+zuqTh1V955qoFMFWcGRIAzMaxYWVm4medkQFRpiHUyJQU= X-Google-Smtp-Source: AGHT+IHqWdj3+hYoDE/0JWo7IwGGpVaEuA9ei61adPfIEmcKy7STpkRAIWCDCw0GH411SykitvKSkzkjRJIIhaHpKcyyPuxtLklZ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:471c:b0:3d8:1d0e:5308 with SMTP id e9e14a558f8ab-3d81d0e57bbmr3480915ab.6.1744862633903; Wed, 16 Apr 2025 21:03:53 -0700 (PDT) Date: Wed, 16 Apr 2025 21:03:53 -0700 In-Reply-To: <679f3464.050a0220.d7c5a.006d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68007da9.050a0220.5cdb3.000b.GAE@google.com> Subject: Re: [syzbot] Re: [PATCH 0/3] ocfs2: Fix deadlocks in quota recovery From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com. *** Subject: Re: [PATCH 0/3] ocfs2: Fix deadlocks in quota recovery Author: heming.zhao@suse.com I created a branch for these 3 patch files. Let's ask syzbot to test them. syzbot page: https://syzkaller.appspot.com/bug?extid=f59a1ae7b7227c859b8f #syz test: https://github.com/zhaohem/linux jans_ocfs2 On 4/3/25 19:32, Jan Kara wrote: > Hello, > > this implements another approach to fixing quota recovery deadlocks. We avoid > grabbing sb->s_umount semaphore from ocfs2_finish_quota_recovery() and instead > stop quota recovery early in ocfs2_dismount_volume(). Please review and test, > the series has been only lightly tested in local mode as I don't have > proper OCFS2 test setup. > > Honza >