From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.167.198 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794486812; b=hiLppGuEz1yV5hbvuZ0y2oqVlB0httuugzrOVWKZyIwKzBsd1m/R5fVvOEHymWGFNso8 6D+p/7qvUc1tgSy7ucdhvlwZaIzGGcLkcVjiswEbBZB0dN6aHt0s90AiS4J3qvoFK0+Sy SzM+wSqgdKsI18qw1D+mWc/t34V9OoT+k8VfbfuV7dJqRefwdA2OaPiuj8Y7blMOYN5iR 961Nyd49zssz3SuTR7IkXFS4QElMaWzVr/s3VBpRFMUFwpRRIXuo+ZU/HRhm791ueATF9 csbL8nACKfonAK1IS70/HBJKsUyPzd2a6x1CgrVnPUzHrGfd9vV+rF80n4o/kYk7J9w== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794486812; h=DMARC-Filter:Received:X-Google-DKIM-Signature:X-Gm-Message-State: MIME-Version:X-Received:Date:X-Google-Appengine-App-Id: X-Google-Appengine-App-Id-Alias:Message-ID:Subject:From:To: Content-Type; bh=J7e/HQWh9pXQoKTp7kH2sZAez1f8qPQApyE7NMQ7Dcc=; b=qjKw05BswEau4MzEfpO+dGxnxOSViABiuS2lW4NAvde6cV5oN1t2N5whUdaj+58HP3R0 AxtinMk3GBkob+dcB69BThDDug7dreQanvdFRKB6T4j5xlHPylKpB/DT1dvplbx/pFGrC C3OwdRQpV9ooOi0o4BA8txytThgGDBqH27NSeWMT5JOHX5cy/BJJx5AM+pyU7a/Uk/hI0 7PfeqMl4P5G58eaJWBh4dZlX8nNaeyeDfRzCFmyS/w3igbFrg28ALCHseZcFo9m1tBZlt bjh5VXiPr8CeOWjO0gI+IGfghR3zFcdozRBZIGsV3MrPyB7IZobmu0/CgcnvFSaNqmw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=fail header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.remote-ip=209.85.167.198 Received: from mail-oi1-f198.google.com (mail-oi1-f198.google.com [209.85.167.198]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5BAC7606A330 for ; Thu, 12 Nov 2026 12:33:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 5BAC7606A330 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-f198.google.com with SMTP id 5614622812f47-4c467e19391so6356036b6e.3 for ; Thu, 12 Nov 2026 04:33:32 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794486811; x=1795091611; 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=J7e/HQWh9pXQoKTp7kH2sZAez1f8qPQApyE7NMQ7Dcc=; b=dN4+Enuc5r5lo2QJDOaVH25Hf1njklSrYlwQxniEOtjMyB7Ufnw13U3KSTTX81clv6 OipmwXOtLeIcSJx2iO1eDek4iY+oOyKM6DBrbxpEyTV1avc36/YsbE+ffKDWgqwMKjbr FOA0AdOvz/6ZxVlqu1dOxY2PM6Lq9VREUOr0uknYpiSMk4hUnJJHs7A/wcVxNmP+42Ke CCb0hzLhRKWKS4KsKgI/W3V4Mw/B9qui+TB9Jj28NRVLCioXrHm1q0UMAZ4U/jaN81PN StlMsWwAv30C8JLRPClS7b+E3PiCsAe+f0BFNBgLnqOny72A5B+TS/180EXdBvlzXBS5 w0BQ== X-Gm-Message-State: APuU4Z8CKMwdcDKCFeeUdSDf517c/596AHorZly1MHABKJ1eurFDZubu RDHDd5hAy9S4JRrR2U/kYVtftIydioJCbTQ1w+AyO9z8l0+kTXUkEm5yawvT1fJ9f3lqBVjAwz5 6h3tDfqPmQzwTj5yPRMQpqGi9kemMzIXFsTLe9i/9nL6pX6Cp63crcfxmhg4= X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Received: by 2002:a05:6808:4fe3:b0:556:82f5:5aaf with SMTP id 5614622812f47-56b97d11f1amr5246723b6e.49.1794486811208; Thu, 12 Nov 2026 04:33:31 -0800 (PST) Date: Thu, 12 Nov 2026 04:33:31 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6af5b21b.0f67a820.5686f.00e7.GAE@google.com> Subject: [syzbot] Monthly ext4 report (Nov 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 1 were fixed. In total, 29 issues are still open and 189 have already been fixed. There are also 13 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 8189 Yes KASAN: out-of-bounds Read in ext4_xattr_set_entry https://syzkaller.appspot.com/bug?extid=f792df426ff0f5ceb8d1 <2> 6060 Yes kernel BUG in ext4_do_writepages https://syzkaller.appspot.com/bug?extid=d1da16f03614058fdc48 <3> 588 Yes WARNING in ext4_mb_load_buddy_gfp https://syzkaller.appspot.com/bug?extid=fd3f70a4509fca8c265d <4> 358 Yes WARNING in ext4_iomap_begin (3) https://syzkaller.appspot.com/bug?extid=626aa13bf52efc3aa86e <5> 3 Yes KASAN: use-after-free Read in xattr_find_entry (2) https://syzkaller.appspot.com/bug?extid=fb32afec111a7d61b939 <6> 1 Yes KASAN: use-after-free Read in ext4_read_inline_data (2) https://syzkaller.appspot.com/bug?extid=085a394c92518a04fd09 <7> 1 Yes memory leak in __pcs_replace_full_main https://syzkaller.appspot.com/bug?extid=4d078516add5f4f12cea <8> 545 Yes kernel BUG in ext4_mb_use_inode_pa (2) https://syzkaller.appspot.com/bug?extid=d79019213609e7056a19 <9> 79 Yes INFO: rcu detected stall in wb_workfn (4) https://syzkaller.appspot.com/bug?extid=5b4f4f81240931b16844 --- 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.