From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f72.google.com (mail-oa1-f72.google.com [209.85.160.72]) (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 4B0C527BF93 for ; Mon, 19 Jan 2026 08:18:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768810707; cv=none; b=TPfCYJyNljQeIlN3h1dJjPrcuJZ0IRKYCHg/wwlILnoQ8FeN5r54hgQ7fIZ3mCg0XlTBOcF63O7A6k69yxjG7iUBU9tefjRC05PoCIL2KLxCVsVbx936RjaFmfsBLkynh40uT/Uvpe8DVHeUHaWqrBZZ9shTubWRBsFyDVY/rdU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768810707; c=relaxed/simple; bh=gKY2pRyZbwewSaPEFSnnsQDQea4gHPz+q3/wTpqziJw=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=k2YkPpIMJUDnQRFUOO9xuJ9nhZc/G4EvZKNQA5E+nodiLwvWazUD9ro2GupDGV7T1drWumUX/lbfDp+jrV/v4ig7UT2Mxi/sZor3SSMc1+WrYfgzymJblpLVNmak1kdrZKr5AfagHqANyHzvBaz49gUZ0YGCS5BB0CA6FcoUkIc= 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=209.85.160.72 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-f72.google.com with SMTP id 586e51a60fabf-4043a9496baso8230378fac.3 for ; Mon, 19 Jan 2026 00:18:26 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768810705; x=1769415505; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=NhnL8MEP/pRB0FCsQpW7MYNVHkKIhPy+pDAgLhSbeq8=; b=V+okh1RnOk9+lHXgB2oeqn12Z/r1vPSLBE324rmBvaSAQPH47e9NJCftqWRx/CuDOE nfCOi8AYYerHqIe0DjZyvza9V735OuP4OKNduMaYJU1sLC4CVRNna2JbruEiAZjV+JGm NI75eFwuzHm059OSNrAk7koRFO5lWhu37Bhc1HxYZc8wgFsH8kStF8Dv9rrm/qqvTOM4 bzH+ZZzOZvuHlh/vXdLtTksnDa7aWpyVw/L7XAEGr4tVec0hjig3eIlcKFkZtqXkUeyP nJLIqthl8QK/oNVxYegU+3BZtUhu/vOZN7KIcxQg38KBWFGw9Zlv+RJeIJqEbOIPhAP1 H6EA== X-Gm-Message-State: AOJu0YyPC5+kR3BUalR9WoWqET76OP5P/1E3VrvmEk+twMjw8PjRiddQ zvpO12U0ilUNSvDtmoSxYx1VDP7lSVCOdmVO5RsTwD8LEsISjPS1XTDDCtD7oG+ZawCHL858No4 8urqGmqLNegrStxqDIARJ1QmVr2SOBQ6nw5YsrDWB0rTpIPB3EIGKmzRP//U= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4def:b0:65b:2a82:d700 with SMTP id 006d021491bc7-661179b64e5mr4665102eaf.44.1768810705169; Mon, 19 Jan 2026 00:18:25 -0800 (PST) Date: Mon, 19 Jan 2026 00:18:25 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696de8d1.050a0220.3390f1.003e.GAE@google.com> Subject: [syzbot] Monthly mm report (Jan 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, 4 new issues were detected and 0 were fixed. In total, 117 issues are still open and 355 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 13965 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 7446 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 3650 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <4> 3012 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <5> 2188 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <6> 1539 Yes kernel BUG in __filemap_add_folio https://syzkaller.appspot.com/bug?extid=4d3cc33ef7a77041efa6 <7> 864 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <8> 673 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <9> 646 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <10> 526 Yes INFO: rcu detected stall in sys_openat (3) https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5 --- 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.