From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 5CF862C1594 for ; Fri, 10 Jul 2026 20:32:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783715558; cv=none; b=p7g8TiEnn8RTLsxRKHcCmUUNzFN01QyRJ74ykA+wAFjazPxUqzgGlQK1XoVtpZh90TPHi7nocJEtN3AJJQNg+R7DETWPlXRnDDeBeDtjeQZ+cVqSFOOror9gZhfeE2/zVmAEJEvxR+EXdXvFJ97Thpos+AX5cF6WAH/C2brcDc0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783715558; c=relaxed/simple; bh=mWYD7Q50FDfQf6w7M4HUN6gmfnf/y3B0S+J4f7n0cB4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=pbYjkgge4plZNVC0H07HFZKqpUJAVxv6qxQ6mJNQbACYRkVr8a5NwS0//GADL+FxzBXlSmNA1nCeWQyUXFI79Q3kUQ9h5UmVGSLZkIVSxEw1g98TDI4Uf8dgLGcSbdVHSdf8oXBgotUjEx/qOhtlOWYNn5pW3aVinnRA0m+1EGQ= 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=209.85.167.200 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-f200.google.com with SMTP id 5614622812f47-495f7693e7dso1815893b6e.0 for ; Fri, 10 Jul 2026 13:32:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783715556; x=1784320356; 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=nUEgiD1J/jUpSu7xqyRakoZnB2687wEHAw9UnAHeRGQ=; b=N4poJ3bwJfKOxKkv019EWdVZ7CJX8GbfHemQLaRslgIwpycoIMZVEfFgLiwV0uslRK kKbYDzj/qpp2aK5HxYS/QyNTlqYVvoPpNW38q8ZR9Nvcqvp34tgBCgeWadMrvXnMXMxE nE1PzI/r/efhxzbbCcm6e0YhIzlfcWW2Zm64HU7rlzOWVVAup8Nnt6fzNW4cH8gDPkZL RrrxM0ikmHXh2pwEpPyaMEE9AjSd/WCVTNV1O2iE0MQWgQ/ZSRw4iHvukNb62JzXtaZm 5ZKIR/YwwL9ORIiKUJ7uwf7SLOQexdIPyOfeLjVX1RhBP40M+UVMA1Wngi7l9jroC2b2 bTEQ== X-Gm-Message-State: AOJu0YwsbH/DTp8DTR45E6euxFld0NCupVOid1u3k0wgQz97D14oGGPP eJj48lH5MSS0nBey8YX9+gJxjk1pe2GF1e+7JXczs/82PSR9SrnhgbBapZ3N0jV5ULqXYHKGsIf gWdfw0PjB4NYmz+eYphSjRPVQ8vMWx3SuwIl3/hZm96JHMKEGb6JKYngamVE= Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:6a94:b0:496:117b:1f04 with SMTP id 5614622812f47-4a40ecbe896mr2874028b6e.2.1783715556486; Fri, 10 Jul 2026 13:32:36 -0700 (PDT) Date: Fri, 10 Jul 2026 13:32:36 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a5156e4.278cdcd2.e885.0006.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Jul 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, 3 new issues were detected and 0 were fixed. In total, 44 issues are still open and 178 have already been fixed. There are also 8 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 16116 Yes possible deadlock in ext4_writepages (2) https://syzkaller.appspot.com/bug?extid=eb5b4ef634a018917f3c <2> 7757 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <3> 132 Yes WARNING in ext4_iomap_begin (3) https://syzkaller.appspot.com/bug?extid=626aa13bf52efc3aa86e <4> 30 No possible deadlock in evict (4) https://syzkaller.appspot.com/bug?extid=a30a00d3e694e4fa1315 <5> 7 Yes divide error in qnx6_mmi_fill_super https://syzkaller.appspot.com/bug?extid=6a0633f11d3fb88860bf <6> 4 No WARNING in jbd2_journal_dirty_metadata (3) https://syzkaller.appspot.com/bug?extid=a5f824f1c49dd97fcff0 <7> 3 Yes INFO: task hung in ext4_write_end https://syzkaller.appspot.com/bug?extid=16bf7cd0ebeb1de93aa5 <8> 2998 Yes INFO: task hung in sync_inodes_sb (5) https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133 <9> 2204 Yes INFO: task hung in jbd2_journal_commit_transaction (5) https://syzkaller.appspot.com/bug?extid=3071bdd0a9953bc0d177 <10> 810 Yes possible deadlock in do_writepages (2) https://syzkaller.appspot.com/bug?extid=756f498a88797cda9299 --- 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.