From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f197.google.com (mail-oi1-f197.google.com [209.85.167.197]) (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 30F11472065 for ; Fri, 25 Sep 2026 12:33:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.197 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790339620; cv=none; b=NrMbDmk7dNxkG001ZAb+KOkVtXA0VpBGkaXUcqJtHTCmUTZYJv7VvBxO9OH+79TWIptzLBG+ou1HPVF3g37sxBZo9Gcx/HaEl6AEHX7ormWejDoo4sMcur+0gvF7WcFsfBJYmYzUnnsFXKviN70oRRDiiOMF5lV1sQMeMGFWPME= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790339620; c=relaxed/simple; bh=Olll5538sssrk68cKb+6lh5JqkNnLGdUBWebScXwjb8=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=mDBtiMmwZghubgUxgCIQR67gw+XXf/rWdXNSy5DBvs+fQNXuG7csqCaFv5bQFu12F7Qci3KIvEIPTUA8ht9n6WIWNXLJ1dAx0jX946Qtd9mqFzCsEnRcmX5O+y9mqc9rWCjSrErPd2EdwBC0LqBA0teeMGzOxm1VIIvc4+UruIE= 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=209.85.167.197 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-f197.google.com with SMTP id 5614622812f47-4c9ade8cfe1so2486397b6e.0 for ; Fri, 25 Sep 2026 05:33:38 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1790339618; x=1790944418; 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=3tGsQcEo2L+rh2VXZGGUz0I7c7yOYimMqn0H8hByYtU=; b=2Wr23XXVbf+IhlxTfblrYLIfdljqFaZiXj8+7mjX0VdsrbeB6XVZza70fFYohSs328 754EQogi+iTkybwEUIGdwtQrV+jitL5dblc/t8Qt4JRGocEdJRnebXULEY/mrjXPvUwb Zu8xiHhVntTww/Q3bkGpK7T/pxFUMwsgKe3NsZjVxo9DhPyhgwa/5LH/nZDgHxVOy2SB NLkkFvAEUB0l/MW8jvgs5oaJPsUh779/zddSdeaPreLrcQnFGwdVU8twmTzpwuWZ94cT 3jvh5WtmrG0eJ/7rxRrIH4ykkZINjzLvWeXBsWGvihhFv7mY/ULWz4SCD6fwwpIe49uI ugbA== X-Gm-Message-State: AFuF++nXF/xb60cGzv8CGyxde8MD98Tmhau1gK2tbwJ49sRAAlriz544 Vqr0PfTOahulatEWZj1FqnzVFfIIMk/40w5j9u2XIWdhQwC56dNRj0dY0qNTJ0wV0tDqu2b7Hm1 SxMNxetk+Pc9ZygKIYgKtWKsFLh1nokgSkYBnKx3rPvmox5Gfx1Xqs2ihIOc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6809:3cb:10b0:4dd:f8bb:e1bd with SMTP id 5614622812f47-4ddf9083167mr694918b6e.13.1790339618117; Fri, 25 Sep 2026 05:33:38 -0700 (PDT) Date: Fri, 25 Sep 2026 05:33:38 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6ab66a22.80e1c6cc.1e8e5f.0031.GAE@google.com> Subject: [syzbot] Monthly mm report (Sep 2026) From: syzbot To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello mm maintainers/developers, This is a 31-day syzbot report for the mm subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/mm During the period, 2 new issues were detected and 1 were fixed. In total, 76 issues are still open and 382 have already been fixed. There are also 39 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 3955 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <2> 3805 Yes possible deadlock in attr_data_get_block (2) https://syzkaller.appspot.com/bug?extid=262a71e9d2faf8747085 <3> 3136 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <4> 638 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c <5> 528 Yes kernel BUG in filemap_unaccount_folio https://syzkaller.appspot.com/bug?extid=17a207d226b8a5fb0fd9 <6> 329 No kernel BUG in __page_table_check_zero (3) https://syzkaller.appspot.com/bug?extid=2b5fe617654be3d8848b <7> 308 No INFO: task hung in migrate_pages_batch (4) https://syzkaller.appspot.com/bug?extid=f523acb98cd782b4872e <8> 185 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <9> 166 Yes WARNING in ext4_mb_load_buddy_gfp https://syzkaller.appspot.com/bug?extid=fd3f70a4509fca8c265d <10> 115 Yes INFO: rcu detected stall in sys_setsockopt (4) https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b --- 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.