From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.3xo.fr (mail.3xo.fr [212.129.21.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 596E719D081; Fri, 4 Apr 2025 08:57:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.129.21.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743757071; cv=none; b=jW+yyNWOsMhFFA4VHdgK/Bom4FR0CzXtamNO1p6w3BQxjbvR4uqQ5jVUIRQJJg+JgRX/MX3ZQ1djy1TsD98FPhZSiFqgld4wHdf2w82Gv+FOH3vDvlcu9gNd0z3hp3rJLfyKUZqfYFItptu1zU4awtIvTNhJOIermpYIHm1oHJs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743757071; c=relaxed/simple; bh=qGpiBlKk4gUz7SGt4N7XSRFqC2Dp6ovYU5+SiSPQizM=; h=MIME-Version:Date:From:To:Cc:Subject:In-Reply-To:References: Message-ID:Content-Type; b=oSRHVbAWEB4F7MrU7nN8kjBM2Z3OAH1vOv/0Q5zy7EjHUbWOt7wT0/gkBnQGjQv6tf0LJHyHyUpbyDzi4DdKMxdPcESE9I+taXUrlVM14RC7YWj9u9FBmXfJ5x5+yRhOtWfqyOR+tr/J18TXcvcRhCBZqsugQHc/+hKSuglo0K0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=3xo.fr; spf=pass smtp.mailfrom=3xo.fr; dkim=pass (2048-bit key) header.d=3xo.fr header.i=@3xo.fr header.b=lb20VlKf; arc=none smtp.client-ip=212.129.21.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=3xo.fr Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=3xo.fr Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=3xo.fr header.i=@3xo.fr header.b="lb20VlKf" Received: from localhost (mail.3xo.fr [212.129.21.66]) by mail.3xo.fr (Postfix) with ESMTP id 98EECCD; Fri, 4 Apr 2025 10:50:29 +0200 (CEST) X-Virus-Scanned: Debian amavis at nxo2.3xo.fr Received: from mail.3xo.fr ([212.129.21.66]) by localhost (mail.3xo.fr [212.129.21.66]) (amavis, port 10024) with ESMTP id 8mSLMhAe8CKe; Fri, 4 Apr 2025 10:50:27 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 mail.3xo.fr 83FED8D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=3xo.fr; s=3xo; t=1743756627; bh=CRAJN8+XEA5p31GSsFqFuEJaey0yqN9dDs07tGG1jQA=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=lb20VlKfcjY8a7J/mtS3DUFvklSqJjYHbNOpvr5mvDuUiTcUAZTrS4jvwIYi8pDbd jngz7iyj2q4qcYbEo0GDpo08Z9QRGAjpQdVAP4VFFDrkW8nKXq1Eo/bYXKZQyW/m7B XtHudX59MBoF8M+9EXMuM/86MpKMuPEiXhr+YP1CU432PwUleI3pWhJKH/mAgcVGfr mdDYTpedNVvrT51XQzQsffn4Jv0RJ4oEF+cxyX+4fVC8705kTxtdIRIKH8XCDQCNsY a6gvuy2X4ZE69DNF8SCmUBX3heBPxYDV9qklLKzRt+nmF+63iq/i6DC6LOg1J4dW24 aayyaaredgRCQ== Received: from mail.3xo.fr (mail.3xo.fr [212.129.21.66]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by mail.3xo.fr (Postfix) with ESMTPSA id 83FED8D; Fri, 4 Apr 2025 10:50:27 +0200 (CEST) Precedence: bulk X-Mailing-List: linux-cifs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Date: Fri, 04 Apr 2025 10:50:27 +0200 From: Nicolas Baranger To: Christoph Hellwig Cc: hch@lst.de, David Howells , netfs@lists.linux.dev, linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Steve French , Jeff Layton , Christian Brauner Subject: Re: [netfs/cifs - Linux 6.14] loop on file cat + file copy when files are on CIFS share In-Reply-To: References: <10bec2430ed4df68bde10ed95295d093@3xo.fr> <35940e6c0ed86fd94468e175061faeac@3xo.fr> Message-ID: <48685a06c2608b182df3b7a767520c1d@3xo.fr> X-Sender: nicolas.baranger@3xo.fr Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi Christoph Thanks for answer and help Did someone reproduced the issue (very easy) ? CIFS SHARE is mounted as /mnt/fbx/FBX-24T echo toto >/mnt/fbx/FBX-24T/toto ls -l /mnt/fbx/FBX-24T/toto -rw-rw-rw- 1 root root 5 20 mars 09:20 /mnt/fbx/FBX-24T/toto cat /mnt/fbx/FBX-24T/toto toto toto toto toto toto toto toto ^C CIFS mount options: grep cifs /proc/mounts //10.0.10.100/FBX24T /mnt/fbx/FBX-24T cifs rw,nosuid,nodev,noexec,relatime,vers=3.1.1,cache=none,upcall_target=app,username=fbx,domain=HOMELAN,uid=0,noforceuid,gid=0,noforcegid,addr=10.0.10.100,file_mode=0666,dir_mode=0755,iocharset=utf8,soft,nounix,serverino,mapposix,mfsymlinks,reparse=nfs,nativesocket,symlink=mfsymlinks,rsize=65536,wsize=65536,bsize=16777216,retrans=1,echo_interval=60,actimeo=1,closetimeo=1 0 0 KERNEL: uname -a Linux 14RV-SERVER.14rv.lan 6.14.0-rc2-amd64 #0 SMP PREEMPT_DYNAMIC Wed Feb 12 18:23:00 CET 2025 x86_64 GNU/Linux Kind regards Nicolas Baranger Le 2025-03-28 11:45, Christoph Hellwig a écrit : > Hi Nicolas, > > please wait a bit, many file system developers where at a conference > this week.