From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f199.google.com (mail-oi1-f199.google.com [209.85.167.199]) (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 1645A34DCCD for ; Tue, 6 Oct 2026 04:33:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.199 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791261209; cv=none; b=F1p9JcU1whgTRTGzy8qvwzwqMldLyzMicwdqzuj1lq7TLbkzIVdMDgylHCPaHSnD25vvoDQq+olUfegcJfa+i5teVGKRdekthynT1OAaGV5ylhYXIcWepEUJe3c5fGr/flgXODN1wdQF5Cnca3Ujjv7U3dnBeexB7hU8jK95xYQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791261209; c=relaxed/simple; bh=TPQh6rTIX/gZZyJCTtne5fziJL3GKDMLkYWOMw9k8aQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=s6h2QullT8LK1hJzrmyAuXf8C0Ef40EEyjAG8Kc2x664inXSLCFpsl+444h0cxaBVsW843TEUsRVycOGrz6bz/VU9bLRszstxfKoQiQczzO0iUKQz7aZfFymEn4n4oB8rxNuanROIvhTLfibfZhVT2l2F4nw/7r232wKRkdZqwk= 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=209.85.167.199 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-oi1-f199.google.com with SMTP id 5614622812f47-4eb0b989f0eso923086b6e.0 for ; Mon, 05 Oct 2026 21:33:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1791261207; x=1791866007; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=Zrg5BIca4AwANRj/WsD20bdS0Vw2AOmNxaDcNDdgpHg=; b=G6kfPN/uhPPnoHRaZx13xWecQ6BJ5+AwHDIg5mCFhOAhhGzFoQj17/bhAui6gdOx6g T6bgwZGR+FDmkYuDfCkQFA7jPPGL736A9IYtezB8eDwjZ9hcgYXmumxTDTkizwNHTzzf b9nsiIvGOnTJUAzZtWubldxGZek4jn38y3W9hUIcmddJM7ee5Nb9U5Gw4GyAQ/E7+jo3 muWspQhwU3g1xDlnMW5jkZI1lwFlPksVrcYk8712/ha4l7QoIG/ocEMVvsOJzpZ9SSo0 Tg9ZKDoQtN6aksqYhxheW3d4OlLlqEmcE9a1cm8DxcjelerzCfasEx3You/VaBSznBWJ Ny+w== X-Forwarded-Encrypted: i=1; AKwUvBykXzBak9+ajSocuXT3G0GEJf+/VlLYPUZwnX+88VT22U5NybndhLPOc2Ig6c/lIWuZowJzSvuwdtbINEE=@vger.kernel.org X-Gm-Message-State: AFuF++lD0XKtE3aINeFXfzYuwq4Qaq/oNm36ma1UaTHggENuKGswZ72S 5K3aZEux82yhpokM38G9x5/v6wk2G7EXZeVvgifaZv6BSpeCvB+K15sMMcBQSGM1Z9plsL3Wqna qE1iK3y5SWyRMXmnJ50p3IeZpdEFwb1rBgTeynnnNNxkQHP7rGHBXETX9HtQ= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:1311:b0:4b8:4703:db97 with SMTP id 5614622812f47-4faae80f6b4mr1274352b6e.32.1791261206928; Mon, 05 Oct 2026 21:33:26 -0700 (PDT) Date: Mon, 05 Oct 2026 21:33:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ac47a16.598348e0.18b15.0007.GAE@google.com> Subject: [syzbot] Monthly btrfs report (Oct 2026) From: syzbot To: clm@fb.com, dsterba@suse.com, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello btrfs maintainers/developers, This is a 31-day syzbot report for the btrfs subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/btrfs During the period, 2 new issues were detected and 0 were fixed. In total, 33 issues are still open and 121 have already been fixed. There are also 15 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 208 Yes WARNING in btrfs_run_delayed_refs (2) https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384 <2> 88 Yes INFO: task hung in __alloc_workqueue (2) https://syzkaller.appspot.com/bug?extid=ead9101689c4ca30dbe8 <3> 78 No possible deadlock in btrfs_dirty_inode (2) https://syzkaller.appspot.com/bug?extid=415a049af48761105c01 <4> 51 No possible deadlock in btrfs_quota_enable (2) https://syzkaller.appspot.com/bug?extid=3a88c590edd72179657c <5> 32 No possible deadlock in kernfs_add_one https://syzkaller.appspot.com/bug?extid=f50d605480fdec503770 <6> 21 No kernel BUG in btrfs_subpage_assert https://syzkaller.appspot.com/bug?extid=d490d04560554e6259b9 <7> 1279 Yes WARNING in btrfs_chunk_alloc https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7 <8> 581 Yes WARNING in btrfs_remove_chunk https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430 <9> 74 Yes WARNING in btrfs_finish_one_ordered https://syzkaller.appspot.com/bug?extid=6e54e639e7b934d64304 <10> 35 Yes WARNING in btrfs_free_reserved_data_space_noquota (3) https://syzkaller.appspot.com/bug?extid=9064acebb06685edb243 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. To disable reminders for individual bugs, reply with the following command: #syz set no-reminders To change bug's subsystems, reply with: #syz set subsystems: new-subsystem You may send multiple commands in a single email message.