From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f69.google.com (mail-ot1-f69.google.com [209.85.210.69]) (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 B9CEB35B64E for ; Wed, 8 Apr 2026 06:44:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775630674; cv=none; b=g3VSmiOrgnuBnrT4LCEVeQbH8ud7yvpKrbRfwNHVgwOcliryCE9ZVPWoGVCsDKt6F2QZ9l0/2gY+P83p5RTjbZt4t2kkNqioqD76UGfdWeo8/mCM3t6tG88Rm/D3yOk0lzQXo5aaxsXH05yTyPAKV/xgi8w16wXifjqgHryzfpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775630674; c=relaxed/simple; bh=CVVBeDbV8zvlupMyaYMfUQ897oynGr9TrCQ9lAI5WKM=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ETxZITqd8cMDwWURcE3eg+TGPQMMY3eqPlYG20n/feUCDjtNEYUYHnuimDJCGZ7mzI+iLQdJj9+DP9NE07a9Py1T68yuHEymRHku6gYlw5rfSpHV4X0BDHQifJ1fYUDZmRcwIRFRqCRa0zk400VqabjDUgodK6DdypkYE7sMJMA= 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=209.85.210.69 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-ot1-f69.google.com with SMTP id 46e09a7af769-7d4c7afa9e0so13874651a34.0 for ; Tue, 07 Apr 2026 23:44:32 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775630672; x=1776235472; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Xwnt5Mr4/oqMLIxaguav9PJNNfbmeKc0Nb29a6/ZsPY=; b=nPbmkdmrrWhxUbI0XZkSNs+XnadzgVlXvVJRIYgB1bcKuLTbOKlZDX44Me4P91ozJe tnSVaFufzlxmbbhq60KFmi2eylD9GYWsOKBDvWAxnB6lrPt/77RQOkSLTlwVlZb41zAJ +wXp4fbjhuN89lncM7QT7EFOw3G7ppYd+V90OTQRVxR72xPcStlBM7z+IIaRv3tXWH+m wXipn7SkaCYxyJ0W2XnT4ae1wbK8bo5sC58wkHiuBVnhr8mmNlruv1qEYAXbuoesYb54 pLNOc+c6D/9Sshm3x0a+/5Fw7vN3D1sCbX8Nf400e0MJHU3pU+1JHR96xUI117RPj10Y YjNw== X-Gm-Message-State: AOJu0Yy5hddp6ZybxApymejsum1S2jWeWTfnMh4jeWu8rPnKegT3aScl hguFltexohXQviFY78BfSrHfuVC2Lwq2TAGHRZcCfdcc0MK7t33KASlYV+iNAn70RITfPkM3luu DLwrrhJcMPuV/nqrrMq1eiI5LfA3R81eL0jvFc9C9+J5AvpbPSM8nq96kCOI= Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:210d:b0:67e:33a2:5963 with SMTP id 006d021491bc7-6821d33c707mr11026653eaf.15.1775630671781; Tue, 07 Apr 2026 23:44:31 -0700 (PDT) Date: Tue, 07 Apr 2026 23:44:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69d5f94f.a00a0220.468cb.0007.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Apr 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, 0 new issues were detected and 2 were fixed. In total, 49 issues are still open and 175 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 7355 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <2> 6598 Yes WARNING in ext4_xattr_inode_update_ref (2) https://syzkaller.appspot.com/bug?extid=76916a45d2294b551fd9 <3> 5264 Yes possible deadlock in ext4_writepages (2) https://syzkaller.appspot.com/bug?extid=eb5b4ef634a018917f3c <4> 3018 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <5> 2945 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <6> 2495 Yes possible deadlock in ext4_destroy_inline_data (2) https://syzkaller.appspot.com/bug?extid=bb2455d02bda0b5701e3 <7> 2178 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <8> 994 Yes WARNING in ext4_xattr_inode_lookup_create https://syzkaller.appspot.com/bug?extid=fe42a669c87e4a980051 <9> 658 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.