From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (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 90586227BB5 for ; Sat, 27 Sep 2025 20:43:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759005814; cv=none; b=GaDxaj8S+2gRog7VuDSW/RDSnVdtO3Oy97SAx7KResPlKtC0f/UwxAZxRAJ7nUs7RLXRmXHZhAB4KN1yW4jXHZzU7onRppg6S5+R1yVz5Ae/qz76m5XZgBKj+UusERROpH2u3L1UNOi//3nJL5LgCbimPLA0xOtAKJFAWJ3Dsx0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1759005814; c=relaxed/simple; bh=+zBwl+AaCTW8x+wT7SJDgTHPGLokFyp9NLVhlzcNNWs=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SHfH6rO0oOZPtV1KjlyZ+/91Zf4Ury9hu8fAKe+kUOHGAAWWYn0QGg6phJDTm3Qf//w1IboxjjGOhY8Sd9AVndl1S2MyBb/w+3rOPHeP1uWYHpTqF2XkGny89nu0BzV31W4UDKoELBYvdOILdfnGxgsvonVFsEHA/nNx2o8ql4c= 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=209.85.166.72 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-io1-f72.google.com with SMTP id ca18e2360f4ac-8e621d97671so894481939f.1 for ; Sat, 27 Sep 2025 13:43:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1759005812; x=1759610612; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=6IJzRXNDU0fTBONuizMH8e1/qcYWtZeMXcQ2P5h9DO8=; b=f+OgoaeifymoZ190f4iP+KNp96H9Ez6tL+84xy+RoMl10Zc4bxjNAFZpWVFhVJ9uRB w2h4SPd6G3XeR71dGy0eaoK/lHDWL3CwvCnkAWORXbQdB+niRg+4RZhXWLlpxCt8Cpnp KYKDqGTDw+9JdSYsqarXfK4kKb1dM0DoF/DKlx4ce6ctRjUp1CgcMeCjMTxBJT1GJc6w t488AFkgQ7182qDkIL2bnpF+jnLeNcd4wZcSLhnjCbDunmCIWHuLL0b1RaAmRPJv988p 1sT6YzOtw55NNyp5QawZsjdD3LuA1PueS6KUNkDmks3D+9FQc+clpliLQae3wu8Tx6AJ Ub3Q== X-Gm-Message-State: AOJu0YzapoaKg8C992CwahnNfDS4yRZJVNh9/IkHmyBA48RWxmKgE+HG Vim2zBF0mwn15JIhHxqlV/BR5fKOHzfMyNGWxQ+gsVkNwX9iy7wNmkGboWBERjkVFe6GWqdCck7 PVx4iQ5SaVhY6VanjseCwSx4Si8U8A1NUPHvjMQQ82Elb7gOjera+u2888fc= X-Google-Smtp-Source: AGHT+IFISyl9T2WFKDQqKejuvIkXatZetfyZ52hAD92JaH80dTMh9oUTLHxhPbIcF4DnX7OLfvpMK0bk+NyVmzyWsDqWkA8Gw15y Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:17c7:b0:428:141a:2e8b with SMTP id e9e14a558f8ab-428141a3155mr92231455ab.25.1759005811799; Sat, 27 Sep 2025 13:43:31 -0700 (PDT) Date: Sat, 27 Sep 2025 13:43:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68d84c73.a00a0220.102ee.001b.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Sep 2025) From: syzbot To: linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello ext4 maintainers/developers, This is a 31-day syzbot report for the ext4 subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/ext4 During the period, 5 new issues were detected and 0 were fixed. In total, 54 issues are still open and 157 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 83027 Yes possible deadlock in dqget https://syzkaller.appspot.com/bug?extid=6e493c165d26d6fcbf72 <2> 3308 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <3> 2750 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <4> 2705 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <5> 2137 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <6> 1677 Yes KMSAN: uninit-value in aes_encrypt (5) https://syzkaller.appspot.com/bug?extid=aeb14e2539ffb6d21130 <7> 986 Yes WARNING in ext4_xattr_inode_lookup_create https://syzkaller.appspot.com/bug?extid=fe42a669c87e4a980051 <8> 524 No KCSAN: data-race in generic_buffers_fsync_noflush / writeback_single_inode (3) https://syzkaller.appspot.com/bug?extid=35257a2200785ea628f5 <9> 445 Yes INFO: task hung in do_get_write_access (3) https://syzkaller.appspot.com/bug?extid=e7c786ece54bad9d1e43 <10> 266 Yes possible deadlock in ext4_xattr_inode_lookup_create https://syzkaller.appspot.com/bug?extid=d91a6e2efb07bd3354e9 --- 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.