From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 EE90B40DFCA for ; Thu, 2 Apr 2026 05:01:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775106097; cv=none; b=otNntzXf8I3JXSr7bEJ6p/tIYhONZfAX9ktDFjWpeOP6VrK3dO2Hx+Y3sMZ1uaf1xwCM41yRiDKaiCz0PkGpnTHFw3ddsvYuFf5qQiIbcboVJgAym7FBAbQLpmwo7gLC4jl+2FMvINv2LH57rELrSILHH5/kZPyvfJucwX1RlYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775106097; c=relaxed/simple; bh=j/hoE33G1zQJRQJm66FntCfoeDjNiu82XcwL8Z5/Oic=; h=MIME-Version:Date:Message-ID:Subject:From:To:Cc:Content-Type; b=EadfnulAN5xEs2Bles2krVboN1HHboICsI5Dg5Fje6M5j0qc18RWRX4KRBE4c/pw8LG6R3e8Hzkm2j5Lj/epvdMh0UNGyVxrXBr1EA1XKM/dNHHVHD2VEZ6Zc9YIwaOCAaBR1xGfIaQ4+RRSFzlxaJKME5PkhGbFvHGx3dvWD2A= 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=209.85.161.70 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-f70.google.com with SMTP id 006d021491bc7-67a1e063795so4891158eaf.1 for ; Wed, 01 Apr 2026 22:01:35 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775106095; x=1775710895; h=content-transfer-encoding:cc:to:from:subject:message-id:date :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=EXaczEiiA0iV3b3RTWIXZ0bj040SVrvqju7acjlc6Og=; b=j8Gjmnieg8QT1lpPqj6QKtJCMeCd/uL00CECLP94ULmYeWlfZLMju7/UMdSXra8dk0 //cUugS3P4TciyGhEYeJ0LGiu+yz1qfX2HiIzJqrgcvhHx0bSJ6FhmUfCysaQkldSjYb YSI+6aDKuwvdowh//q2tgNNf27WsrJmf6UGTbYTRXTVGDKtT0XaCagoI3xDhNgy7k/Zw d1WIqRvidxn+iTwzxdmbvKm1ScoR0vpV5H7NsGLATwLxongqGY/WmdMGPC2UCLHXrHnM +JApF8CqarQgqpe8lP2v7eyrOZgJOxW/VLgP2xGftaKN7aUt19H3kEMYQQTBD+IsCYlU pa2A== X-Gm-Message-State: AOJu0YzEPzvyQs795Y6u1DcF2IBZfylJdkSg2qXICCXh/SpHFfEZ05Ap s5dcRYYoMWHk1JNNo1dROpHMWgU8XCzbs1/EY5mfjuVw0Otmm7mJyH1zJHIqkaXW1tpAECPPG+R 4mG5WEHLq0tiUrTgBPjF1le4Q3fdZ8dXrDdT1N+dlZAX9+5Dqu5qTOqFVqWU= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a4a:bb07:0:b0:67d:e657:605c with SMTP id 006d021491bc7-680f87708ddmr457465eaf.17.1775106095010; Wed, 01 Apr 2026 22:01:35 -0700 (PDT) Date: Wed, 01 Apr 2026 22:01:34 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69cdf82e.050a0220.fcd29.0000.GAE@google.com> Subject: [moderation/CI] Re: mm: improve write performance with RWF_DONTCACHE From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable syzbot ci has tested the following series [v1] mm: improve write performance with RWF_DONTCACHE https://lore.kernel.org/all/20260401-dontcache-v1-0-1f5746fab47a@kernel.org * [PATCH 1/4] mm: fix IOCB_DONTCACHE write performance with rate-limited wr= iteback * [PATCH 2/4] mm: add atomic flush guard for IOCB_DONTCACHE writeback * [PATCH 3/4] testing: add nfsd-io-bench NFS server benchmark suite * [PATCH 4/4] testing: add dontcache-bench local filesystem benchmark suite and found the following issue: kernel build error Full report is available here: https://ci.syzbot.org/series/396c3465-92e3-4ff8-a5e9-66d94e62ecc5 *** kernel build error tree: linux-next URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/li= nux-next base: 9147566d801602c9e7fc7f85e989735735bf38ba arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp= 1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/8b297e42-3cc8-4d9c-80b6-5a95cd2044e= f/config mm/filemap.c:485:4: error: too many arguments to function call, expected 5,= have 6 *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. To test a patch for this bug, please reply with `#syz test` (should be on a separate line). The patch should be attached to the email. Note: arguments like custom git repos and branches are not supported. The email will later be sent to: [akpm@linux-foundation.org brauner@kernel.org chuck.lever@oracle.com david@= kernel.org jack@suse.cz jlayton@kernel.org liam.howlett@oracle.com linux-fs= devel@vger.kernel.org linux-kernel@vger.kernel.org linux-mm@kvack.org linux= -nfs@vger.kernel.org ljs@kernel.org mhocko@suse.com msnitzer@kernel.org rpp= t@kernel.org surenb@google.com vbabka@kernel.org viro@zeniv.linux.org.uk wi= lly@infradead.org] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid