From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 E8B3F36C9EA for ; Tue, 3 Mar 2026 23:42:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772581357; cv=none; b=p62q4XiNSLDn1PLeciJySRfg/T61WJXpBmp6Sx0XgiEslhVaRNHDT9rhPdtmOP5qHK8kNH3ZEgkSa6aUAgaTSd1iR15HBA3v5rsFAGBZIOJQGMGcIbHF2jwnndWV/PA+5NoIyR5FnBS831L8ohcHWqFpXgqtKO6saAUssn0E+fs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772581357; c=relaxed/simple; bh=08e5Strv7kHrahIC/ybDbtnGl9YtCyRR7MXf4eNih34=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=s+nlv/8geww8fkgvw1XX4cITS6OS3bs4UiZnoMHivfooNWyhWuoffSc1zSw8/v5k7bSOrwgp8SoGtsS0u/tAnr6NYYYBGijm79j5vBVOh5a64LI8VQL0MvTAOMWfz3vyfVDoh3Y+mIkkVhV5YSw6LIGxkJnHEvBLgo4Cd6GkGP4= 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=209.85.161.69 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-oo1-f69.google.com with SMTP id 006d021491bc7-6798747187eso101293472eaf.1 for ; Tue, 03 Mar 2026 15:42:35 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772581355; x=1773186155; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=/VPjOuV85ve4xDgZ45C+rWcFOGqkYmsrXJcYjtU7mVY=; b=aOh3w1FzjGSUKVgH81JgmTDxa0e50kszHowfCoDn/9UPLo+oqxGDwqH9wP+36QcvdW k6qG0NZHoqd4mJ2UJJiYLkqRG8agQfs5Ub7OK0zNspU+GrlowCPru8cYdZ/jtpP6cyvw Pp0yrWXJ1AUN3QtGZ0Smt7rJQmvybFk6qVZgPDTq0OEHs5xF/ZEpBJtil7GN2kc0CjpL pe4+kFF0jjovEx5Qcv2fHBJJCVcgyFvBnylX4FjZ8kvARxigkRz4GKDBOR+0sQrhgd8/ 1DQDLum81VkFvAMjhaiESJsMj1esQpnnlHV7BKnVk8zVUBA70LxF/vjmrJfL3wFw/uAy nFiw== X-Forwarded-Encrypted: i=1; AJvYcCWM7cqkwoTG4N8lUjVEforwYTerKoBSkn8jqrpoW+/MwzqgYvoL9BOafRG6YTeYPYxAyAMM1yV9gLGmGrk=@vger.kernel.org X-Gm-Message-State: AOJu0YyiUvVMleh51e0rP7HyPJu8gs78yhGFTNz18KftWXmmKaOry0Fz 3qbY6mxFc4NbkIaAEPhxPp5gQorr4m4jG1eShdv/GyGkAo9GIVP23/lYvEbM1RZRfi9OCoB+3rH bhk/70T2GL1eOvjWUEm2AbH07nTPXKsOSlJFjySU47Uq6ZVaNp1ew9O+bN8Y= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:228e:b0:679:e85c:10e5 with SMTP id 006d021491bc7-67b176e9c2dmr184222eaf.13.1772581354921; Tue, 03 Mar 2026 15:42:34 -0800 (PST) Date: Tue, 03 Mar 2026 15:42:34 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69a771ea.a70a0220.135158.000a.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Mar 2026) 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, 7 new issues were detected and 0 were fixed. In total, 55 issues are still open and 170 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 6756 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <2> 5047 Yes WARNING in ext4_xattr_inode_update_ref (2) https://syzkaller.appspot.com/bug?extid=76916a45d2294b551fd9 <3> 4148 Yes possible deadlock in ext4_writepages (2) https://syzkaller.appspot.com/bug?extid=eb5b4ef634a018917f3c <4> 2977 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <5> 2936 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <6> 2170 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <7> 1607 Yes possible deadlock in ext4_destroy_inline_data (2) https://syzkaller.appspot.com/bug?extid=bb2455d02bda0b5701e3 <8> 994 Yes WARNING in ext4_xattr_inode_lookup_create https://syzkaller.appspot.com/bug?extid=fe42a669c87e4a980051 <9> 575 Yes possible deadlock in do_writepages (2) https://syzkaller.appspot.com/bug?extid=756f498a88797cda9299 <10> 464 Yes INFO: task hung in do_get_write_access (3) https://syzkaller.appspot.com/bug?extid=e7c786ece54bad9d1e43 --- 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.