From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f71.google.com (mail-oa1-f71.google.com [209.85.160.71]) (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 4D88735F19B for ; Tue, 9 Jun 2026 20:32:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781037154; cv=none; b=SDKIqG87qQ5LRfqap+2ctUccSnGeGkJtZUjInVere8RBnFwCxKpp5m0sl0nymE50IxolmAf5mudsB2c7c72XBl6s4XCXDrEMpuqAX8va0rvQr7YErqg4uEGO3J//aT4qGzWE4n9OPWMWf04HpxAXvNxOxptt0CeBCBDd/BUB4Pg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781037154; c=relaxed/simple; bh=0SGQLFDjU5iw9uYjPX096hJaNhZuA2q9lZgLWprWZ80=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=pp7nncDtK03WZrM/yeluiz4mstIzALFNQQlQx+I6ktsPXKppoPf++uFMqSOGVJNJ5MO5JHKJFnBew1igmElsQi0UoG/uq9vYeo4WJjzwsHccgz1mgPvBcNNKnRDJTVuIo7PVEP24SBhdsc8W543/5r1EqrqLO+Q7tQJy0wj1h3A= 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=209.85.160.71 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-oa1-f71.google.com with SMTP id 586e51a60fabf-440e399d049so6835584fac.1 for ; Tue, 09 Jun 2026 13:32:33 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781037152; x=1781641952; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=/vGVhoSmYtlv0YzGh4wpCudDFVpK26jtcGI13C/Jzo0=; b=PZKiiCxlXbZ7DVOEugYJIX2Inq13eRVNVRMSQoj5S5izVVaSXk+hq+iETel7ruwpp9 K1SRGdg1R37mDIfv83gCi1jH+KnvgWsEWpi3Z87UaczOE4E3H/PNOe2OLdqsGKJ+2rfv ldA+OJlb8wo/cyHh5bFdmixbUF9KreiCK6nUT2Jrea/qLSDidB9bgwg/ehLI7ERSYcos ot60pdEklKmwCEVbe5qmvqhiozRb96tvSd5U3poheinWiFxhqhSEUP8iU+jI3OJHCYbt VnzskllyUiCtwXvilHmwdnasoasLYdLC1vfVhruBDd1TVdncNQAfHcGBJKf629GEiJAJ JPTA== X-Gm-Message-State: AOJu0YyV0IwLlYLPqbp6XbmxtGuPr4Onrr6q0qMjVj09kYxFmWAWLg++ fh5K+Gnwsf2F2Lfwt7TtLhTxEP25lnYkFfjMYS3ykY7+GkyfLtKaEGt6CHLhLlvNl5yWhlHxL6l Wdw1lIcDi1W3rgdZTcbK07vmZ3jBT6kCreFu+S9N9LxSzdwNFKJztjG9kIvk= Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:200f:b0:69d:fc30:1cf2 with SMTP id 006d021491bc7-69e68b18c9bmr12388728eaf.7.1781037152430; Tue, 09 Jun 2026 13:32:32 -0700 (PDT) Date: Tue, 09 Jun 2026 13:32:32 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a287860.39669fcc.33b062.009d.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Jun 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, 2 new issues were detected and 0 were fixed. In total, 45 issues are still open and 175 have already been fixed. There are also 8 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 10098 Yes possible deadlock in ext4_writepages (2) https://syzkaller.appspot.com/bug?extid=eb5b4ef634a018917f3c <2> 7580 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <3> 3212 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <4> 481 Yes possible deadlock in ext4_evict_inode (5) https://syzkaller.appspot.com/bug?extid=212e8f62790f8e0bc63b <5> 406 Yes possible deadlock in wait_transaction_locked (3) https://syzkaller.appspot.com/bug?extid=5d19358d7eb30ffb0cc5 <6> 139 Yes KMSAN: uninit-value in fscrypt_crypt_data_unit https://syzkaller.appspot.com/bug?extid=7add5c56bc2a14145d20 <7> 20 No possible deadlock in evict (4) https://syzkaller.appspot.com/bug?extid=a30a00d3e694e4fa1315 <8> 10 No WARNING in ext4_write_inode (3) https://syzkaller.appspot.com/bug?extid=070d9738dbe6a10fadc8 <9> 8 Yes INFO: task hung in block_read_full_folio (3) https://syzkaller.appspot.com/bug?extid=03afbb29537f0336b7ad <10> 2951 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 --- 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.