From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) (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 789E8332EBA for ; Thu, 18 Dec 2025 10:06:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766052389; cv=none; b=toq8B9WD8n932NQVn3VTa4ubUlyrIz+2OrIOpDAUcbObxZV+GtKMjmh+CNxCzCKzohd0g/GXYrFHZIqXiO0sums9fJEVbrCSIOPOrCpJeeae9//UYoep9+MWhIwuvxwOVeii2ak3jfQwEoipwLykFMk03zeuhbzzFhtgV/8syxM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766052389; c=relaxed/simple; bh=BVTqEdM4FnedrIPuyKLwZo5YBZcBHOo764+wPXFNLMg=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=NzGdGfF7yocgERSyGf3dEjWSkJAMvzYnNVG1VNZeI8Lh8K2gOh84fWvaw7rEc/LWvTqCgoJVTzcXGvDRddeCdiMJO5k/fMWyJeUWfe4Asff1a2kHEeZo6Eppk6odYkrYwxi7ioDJ/CMdd+5xB7QPOaYm2pHvg0qxUiDrU2WcGMw= 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=209.85.210.72 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-ot1-f72.google.com with SMTP id 46e09a7af769-7c70268301aso277670a34.3 for ; Thu, 18 Dec 2025 02:06:27 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1766052386; x=1766657186; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Cy2RyAtz8NnDuEjqIHQaJe45eLsHcfBvNIJ/fSWNq3M=; b=sLV0hVKU1e/Aw+3CG4FCTPzGG/bhgxzTZIFE4u8oasEz/Fe38Z3vSY8WTEuNIDGLYr GyMejjdcdjZeK+OSHGk0GO4cu6An5C0Zjiy81uEhVorDpbSMnEhRbFwc423yGyMktbGE uSO1m2yXSwsLtbba1VyacVVuVrTSGzuCehGXjqeF3IFF0ZQ+Sx2xlvAIywyMdCF7PC1D 1fQshXlEzwaG2RY7kJIqF5gBv8Jl3oREyx35aw6F3Q/dwnPSNRUeZvrl7IKY7OAUg+mb j94bmrcFk9P96b7J65ZUhlHa0GKW7U4wbt1R3B+BD/SuG3aEjyI99lprhFvxACSDOtgn ik+w== X-Gm-Message-State: AOJu0YwNYwIcKqGu3kGvKtPenpr/HALaUzZmmvgNzgj40nYx5XCd36dF LyCrPCT2NWam8CZ/Uc/iURWLI4u0eavUnhnmrz9WmzAj7pPS4eeEZBnhekdJVLoHzxNB09mbVDM pJ1Go/9bt4rX9UgMEYtFMrCLLAU0VX9s8VndWTnhfRlwkMlFHOuiEv0mmzfE= X-Google-Smtp-Source: AGHT+IFWWhrX5wf03kFFQJH/96G2H1STFpPuEAiB34CMEYDE7fj4psHLkKzKXp38C/1WP0bOZqJaIro4eqlBOwup0OvyEPpCE5bO Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:6488:b0:65d:757:3a02 with SMTP id 006d021491bc7-65d07574611mr121460eaf.60.1766052386241; Thu, 18 Dec 2025 02:06:26 -0800 (PST) Date: Thu, 18 Dec 2025 02:06:26 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6943d222.a70a0220.207337.00db.GAE@google.com> Subject: [syzbot] Monthly mm report (Dec 2025) 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, 7 new issues were detected and 0 were fixed. In total, 118 issues are still open and 354 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 10935 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 7436 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 4691 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <4> 3650 Yes INFO: task hung in page_cache_ra_unbounded (2) https://syzkaller.appspot.com/bug?extid=265e1cae90f8fa08f14d <5> 2970 Yes possible deadlock in filemap_fault https://syzkaller.appspot.com/bug?extid=7736960b837908f3a81d <6> 828 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <7> 656 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <8> 622 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <9> 498 Yes INFO: rcu detected stall in sys_newfstatat (4) https://syzkaller.appspot.com/bug?extid=1c02a56102605204445c <10> 495 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.