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 557C3397AF2 for ; Sat, 23 May 2026 12:32:44 +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=1779539565; cv=none; b=sMW83oHK5d1lsdHB6xpkIQohr5AQsmkVrvKtUdO1NF0euiK42lzfheyms6/xqY75O/491CCSZY7yei1xKvDTaGt6GZZFtXAj2d7RGiRzY08cKYqVxNXoNUg09UrbY5J740g7eQesUjz+2bdqi/0mNrkiTvirCeCH6gWIxoE6VOw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779539565; c=relaxed/simple; bh=tRvT4hqeEoBvWkKCSNSMVx9Pa2g48nelbLyg5u0uLYY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=WBmv6umYVAxthP9p6+3gNdwWGiZkDqiT33idJrR6j4/DtPZPj3e2DFDeBaQ+XdgaSo4vZZ9jXKssPgKxyWgOZDmob9kBeddO1vs2uIbRW0Zq6/tSZcYBseIqS86jYDzPFaSMSwMEKEd+7HAEWb32/t5iGiHKTRTrKhRfzp5fptg= 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-439d6202259so15187971fac.1 for ; Sat, 23 May 2026 05:32:44 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1779539563; x=1780144363; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=vRnEdcUd3I9P/PQ/ttUn9QBxGIe++AqYlsBjwYN87MA=; b=ZonyplkVi4WpgX8f43QbPDUe4cd4wcjPD2CLujQp+fOUvbk0FED9QsgNCuFJkmfHbz Ktqzu14J5m5+QyWpIZDhHvBZhBsi5zyPB1MI6lIXH56m6wDjhe6PRcop3gFa79pw1qhQ Hg6Y6L6UDuApTvdWnriMyT5xWxIu5iRZifw5it7q7ZFmjUkNj7CHYbQNdingmigIpB2s FDmoRF0ulCfXhP3sr/SZ0thRGwiCI9AXmxTkaHYtd9YOsrg8DweSc4gh8ELaiqtDCbdC tYwneqZT7F7BYJHjEZyEyw/WCJs4bbJPGByKyznH9b1ao2clkEsOxvrxJ95pI8A00h3Q gvpQ== X-Gm-Message-State: AOJu0YxDlyvkUi/4GXTEeJWMm8bdVVmjHIL6e3K5S5AGukBx5gK1nuDx 38yWCqJpgRrV8mvuWUshVBFuz211iBPQJJt70CIJEQeDuBPcZxTZQrLrk/MjLv54uHU+99l1vNR OBb6g4SovPKm4nnqWmzH7phh5y9pg8B1Zgc7FP2TyX0vMvo4src4OIsz0EKg= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1a0d:b0:69b:569b:e64b with SMTP id 006d021491bc7-69d7ec62b36mr4036256eaf.40.1779539563490; Sat, 23 May 2026 05:32:43 -0700 (PDT) Date: Sat, 23 May 2026 05:32:43 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a119e6b.170a0220.35b2b7.000b.GAE@google.com> Subject: [syzbot] Monthly mm report (May 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, 10 new issues were detected and 0 were fixed. In total, 108 issues are still open and 370 have already been fixed. There are also 14 low-priority issues. Some of the still happening issues: Ref Crashes Repro Title <1> 3645 Yes WARNING in trace_suspend_resume https://syzkaller.appspot.com/bug?extid=99d4fec338b62b703891 <2> 1005 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <3> 144 Yes INFO: rcu detected stall in sys_unshare (9) https://syzkaller.appspot.com/bug?extid=872bccd9a68c6ba47718 <4> 74 Yes INFO: rcu detected stall in sys_setsockopt (4) https://syzkaller.appspot.com/bug?extid=6e61d59e9d2150c8492b <5> 45 Yes memory leak in xas_create https://syzkaller.appspot.com/bug?extid=a785d07959bc94837d51 <6> 8 Yes INFO: rcu detected stall in kernfs_fop_open (7) https://syzkaller.appspot.com/bug?extid=19d01f6082ec61dd45b2 <7> 6 Yes INFO: rcu detected stall in sys_symlink (6) https://syzkaller.appspot.com/bug?extid=e538d3da32f1c0337b01 <8> 10396 Yes KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f <9> 7470 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <10> 1667 No possible deadlock in lock_mm_and_find_vma (4) https://syzkaller.appspot.com/bug?extid=709f5ab0e03871dec50a --- 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.