From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.17.11]) (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 BB2BC1BDA85; Tue, 1 Oct 2024 07:43:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727768594; cv=none; b=baaT9Zf7FMbJRMXrYmesr6CGfY0JDjVYxaav1rEUoGIilqMpxpP5xwvHK9GeY3i33Z7PFhGeTvPp25iiwYKwX9/JJacnW9KY+Y4IDTGGSuvN8Kk66sx8ag+kl6ocleBDJGL95OA77/BHUj/swNBFibG7rQ4v5c/Mvvj2JBTDXWw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727768594; c=relaxed/simple; bh=Xfl8HvpybiHnMLDdfd/dIquxPinyd3O3pqXxMlAQRaE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ebqy5XWbV8wF5d6pQ63uW0X8HutiOXw/p0kT7xFXEoY3vKniCZn0ZbCgN32vD02xx47e7RSzMkLvs2rq4hC9Cv0lNGD5rno5VEnbhpfA+3ExFqwmuVZx5VWDrKWSLuk1r2jG9t483vco0hYRZSzXPKD1kr1GN3pb+xhQLF5+C/M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b=RvkPK7n1; arc=none smtp.client-ip=212.227.17.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=markus.elfring@web.de header.b="RvkPK7n1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1727768572; x=1728373372; i=markus.elfring@web.de; bh=UdT9g1ovU+qdxsslet0dAqvKxhyHczuTqqPZ83kYvCo=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To:Cc: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=RvkPK7n1OfxMo45bv551DhB2VB1EumkzaXq81Iqi9boewczh4fStujcRLvw/Q0MF KQg8IvHWMfNVrteI1vca9bvelL3hJsKGho9GvrFPM86k37rSVd/00bBzFiZ/F1Aox BTltc5feIhniNivAnvlGfkJicFGKxj+MAcwH0jfYPE8Du0QHdY2ub73L6Xk0JMm1H 9qnmUqvtxq61QVQP/1Y9GilN5Vlyo99zqGig3ohefdlY9J9EZhAHFm/FYDLJFOUiv juYHGGGc3aklW/fcBv6ifmQ7AQE3+uwkcDqLraWXAScVz60NJWL/FFyN3MH/O94Ao GIosFdbQ5HFCtAbyow== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from [192.168.178.21] ([94.31.81.95]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1M2xrq-1suRbE1Sm4-000ZMG; Tue, 01 Oct 2024 09:42:52 +0200 Message-ID: <5d1f95de-e65b-4121-83cc-b5508e7a67bc@web.de> Date: Tue, 1 Oct 2024 09:42:48 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4] NFSv4: fix possible NULL-pointer dereference in nfs42_complete_copies() To: Yanjun Zhang , linux-nfs@vger.kernel.org, Anna Schumaker , Trond Myklebust Cc: linux-kernel@vger.kernel.org, Trond Myklebust References: <20241001072101.3556-1-zhangyanjun@cestc.cn> Content-Language: en-GB From: Markus Elfring In-Reply-To: <20241001072101.3556-1-zhangyanjun@cestc.cn> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:MA4RRtui1yfnXCF14VbwGlGgLvooefIlxxB6j8cXcdY6m0ljrh0 ipTpSVcBnQv5XW+oUbcobYNjDKPw6aPIdJ+tL6dW7CMZbvK+wkoyEnbV188zfnEZW1h45Ao WyyplrjZGn83JLtnzThOstkc4j9NXdMlWpNSV6L8bAw9uIDJpGmgNrqdH6TCGuE6PMSyYXr lEe9AGy8UhagwGQg0PyvQ== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:UtUch2xGzTU=;JHW098qdJZzzy3JarCSb5++8Lb9 TeoAkIlW0RQCIVSseMkKsTzzGB/K54I9ZKbFmqdqpdJlf1qW/g5ALP7pYGhbcttNsPES8Nng+ vrq7bAkQtSl2HO0RAkcR34270TfsSxiu7VG38nHkJUvbiXMZGQrkK0NFwBGDDKdoZcZzGOsm0 GYHtq/JFYN71vRD8yb3NcYxgvNbIU+jotKGNX29Ib3khbG+li1Nefb6aV2k1gIJ2IFdk5Xl7t ZLD/TejOT+tzVMfJA5EtUshfsZXAf1rig8EN7wsCkIXQEjSqSjI/LeF9HJyF9KPDqYghSnlWG 9aHZLyRPTWlPtr4i9bDoUpbhTrO1nq194ACaDPDyPLEgAZaOwy8q/DmC/Mhj/2dag2Pujqd9K TtAGno4Hq4roqCL76hsSfUOhG1WKU2UsROIbUX3oUCsvu5aJO5kpepca94if9gBcT9rSoD3Ik wa1Gscett8Erbc6rzUfUXUr9jA66wPzrL1EwArbO3/sNwcKhuEPyCx6Ss1gFNOdsL8k9l2wgh xufyZDll6ucDgJo+jpoa552WjSNpCpic2tIptEQhdnQdOJTmwGoUWB72a6K3WonfZWZchXAQp mq5Ot57ZOGTQnbbcogFlsF59lMQMgCIjTISOUyWtT0v5VshkbvmHVWfhD53QQ4WDz1PdML9tP 3VCiwr4JPq+n+QUxE+tD0/OeB2h2cb/kB2EmYVsKMiC8IFE1otKqZn7xsNDaCERXrt3CuiDCk zlwK0GpdiY98VWRGytJSVrEnY75zfB/edmWt6RTuTfCptH6u/QfsS5O9mn0B/VneeIJDrHW8E pDyvxcLiKBKAPCbeje2Tvdww== =E2=80=A6 > NFS server were coping data within the same server. Accidentally, the copying? > nfs42_complete_copies() got =E2=80=A6 How do you think about to use the word =E2=80=9CPrevent=E2=80=9D instead o= f =E2=80=9Cfix possible=E2=80=9D in the summary phrase? Regards, Markus