From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f69.google.com (mail-oo1-f69.google.com [209.85.161.69]) (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 33CB73C0630 for ; Wed, 22 Apr 2026 09:08:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776848917; cv=none; b=LJrUsH3RDYpvIzGC/u55DEUvlIYxGGwU1B7qlQCWPK1Ye2HkX4gnecY6UpWGUt9Lih4NyWNn6h3KC7MJOrUg5+NFdBy4aDS+H7g65SDIu9aGqdssf1AHfYZ0fPeVbH4b3+AQkzMZzyS1BSraWXXDvkCpGwY7nrrzoLs7vEi3IVQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776848917; c=relaxed/simple; bh=iiS6ovqfx3rTtlQnLY+rBFutONtSSZMn4E/xHCmB47U=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=tgZB5iGMib8GJiny3UgsZ/BUBaYXP1PPF0qjB1Uu04h+67pB73zn1ljbw2scMp0pDZkmjoRL6eBk0ycWjglFleowxzmFHdIpGiDeuN+wV0L6uCBViNijs8TyB2nlXELFDx+BP0amYuFiKwLDddoTAoAphChc8fesnU5Z7viPue0= 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=209.85.161.69 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-oo1-f69.google.com with SMTP id 006d021491bc7-695aebf3cc7so110872eaf.0 for ; Wed, 22 Apr 2026 02:08:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776848915; x=1777453715; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=LYvPI0TiKk2/nz4aem/zoaIZrTQuz8IPh1+Vsu94j+k=; b=rjUEh1prINj50/xzjlHq+mPhsi2EupDgJUlkhibzObxud2/Kck3YCznnoad8oQUj1M 0aeCihOKRD/azZhistrdyD6+bDr1stM+naMFJz9335+gbp0cyznVSdE1LVggI1TvTc5U smNsK15X6VjLdvPfES/LrofTJrftsZ35NCa5HlbLvpPho9qmPU39GdG7CpcoGY4oc5oq IFlekaI3tvRFuSqyH0MOlsFcH+EerJpiHjAyV/hB+vwZyMra3O18VeRgLZLcZ+d0fOHk WQOrU3kzMxXXvlM24FRdHiAnT65XNJvII2DNTzXJ41R4WHTB8KJOCFNk0Svwl5yVV/2U fE2w== X-Gm-Message-State: AOJu0YzWq3DSB7URyer4ulvRGpL9e1zhIM6OejM181bRm0NTZmNzNObP /uxkwhvlXYMxCAIIHB1re8934LBVHHFjLjAPqOPXcJDCTm/nHMRQgyvABudDA/YFnRPvLV6Ct/y ZdihYr3kwAHT24KFXdP7wdFL7Uo89/xy81FTJth7Kh31hpsgTe3NWc5hvtKs= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:6702:b0:68d:dfd2:8da9 with SMTP id 006d021491bc7-69462e21607mr7968924eaf.1.1776848915201; Wed, 22 Apr 2026 02:08:35 -0700 (PDT) Date: Wed, 22 Apr 2026 02:08:35 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69e89013.a00a0220.17a17.0029.GAE@google.com> Subject: [syzbot] Monthly mm report (Apr 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, 7 new issues were detected and 1 were fixed. In total, 130 issues are still open and 369 have already been fixed. Some of the still happening issues: Ref Crashes Repro Title <1> 24253 Yes WARNING in path_noexec (2) https://syzkaller.appspot.com/bug?extid=a9391462075ffb9f77c6 <2> 7462 Yes WARNING in ext4_dirty_folio https://syzkaller.appspot.com/bug?extid=ecab51a4a5b9f26eeaa1 <3> 1919 Yes kernel BUG in __filemap_add_folio https://syzkaller.appspot.com/bug?extid=4d3cc33ef7a77041efa6 <4> 1762 Yes KASAN: use-after-free Read in copy_folio_from_iter_atomic (2) https://syzkaller.appspot.com/bug?extid=6cc93ec9a4035badb85f <5> 976 No KCSAN: data-race in __filemap_remove_folio / folio_mapping (2) https://syzkaller.appspot.com/bug?extid=606f94dfeaaa45124c90 <6> 927 No possible deadlock in lock_mm_and_find_vma (4) https://syzkaller.appspot.com/bug?extid=709f5ab0e03871dec50a <7> 701 Yes INFO: rcu detected stall in addrconf_rs_timer (6) https://syzkaller.appspot.com/bug?extid=fecf8bd19c1f78edb255 <8> 689 Yes INFO: task hung in _vm_unmap_aliases (3) https://syzkaller.appspot.com/bug?extid=fe8f8efd070d727de971 <9> 571 Yes INFO: rcu detected stall in sys_openat (3) https://syzkaller.appspot.com/bug?extid=23d96fb466ad56cbb5e5 <10> 529 Yes INFO: rcu detected stall in x64_sys_call https://syzkaller.appspot.com/bug?extid=65203730e781d98f23a0 --- 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.