From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 F0F8A33469C for ; Wed, 13 May 2026 15:25:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778685942; cv=none; b=WXj8EvyO9G3/pE7YS/mZg6BmkvlzjVTXhs6sBzf30toxU64DBhkTBHxmWvRrrLKt3hlg1yA7VtV3i9gIWDEmUZ3iQMidXP2HSRoantHu9kGXQUkH1OPI7Uu36uaB1YBATC+QXAkM2fd+vfUPV7QoTCY+B7rFYZPZEvR7AYodrcE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778685942; c=relaxed/simple; bh=gj08PSNmKZCxKOFpdfyMriAo63dievW5Yxki2W5EDdA=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=XeO7DX+UjNnnr7hFvvAGEIAhF/McgcRbZtc4Rt2uVhjhYLOnd4eS9ys9ufqc/WrOAyC2mikggyyrAONEk6jOobRnmOvZ7skTnSmmMRuBvDEhmAzqcnIngxXQ9uu1SWkfCV0w63mhIBC43H0fgywdBPDOFGZM9IG7ClTKvq7uAZU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=V4swKZ4i; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="V4swKZ4i" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1778685940; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=o+Gmcm2iBM0z3s4aL8WK/Kyipf531ggvujtHZae+CR4=; b=V4swKZ4ig42yuH3ygN9MK2rtz5o1G/PW+jS/xjXzmdnibQrXbpM/sbAdhrtNn6Er5/sgwx foVtq7+RfkuMt5/FSIreKFaPxi3VfqNYth3xBvNMZNB0j0mGJk5BVaSGjbhQeUhPdX9ClO lZMpm1ab+n26hEEgeDFedZ56KvhK6vM= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-653-ISrkKDoPOzqzTx7RVtwB1A-1; Wed, 13 May 2026 11:25:36 -0400 X-MC-Unique: ISrkKDoPOzqzTx7RVtwB1A-1 X-Mimecast-MFC-AGG-ID: ISrkKDoPOzqzTx7RVtwB1A_1778685934 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4A43318005A3; Wed, 13 May 2026 15:25:33 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.44.48.83]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4098918004A3; Wed, 13 May 2026 15:25:28 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20260513131941.1439155-5-dhowells@redhat.com> References: <20260513131941.1439155-5-dhowells@redhat.com> <20260513131941.1439155-1-dhowells@redhat.com> To: netdev@vger.kernel.org Cc: dhowells@redhat.com, Hyunwoo Kim , Marc Dionne , Jakub Kicinski , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, Jeffrey Altman , Jiayuan Chen , stable@kernel.org Subject: Re: [PATCH net v2 4/4] rxrpc: Fix RESPONSE packet verification to extract skb to a linear buffer Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1623438.1778685926.1@warthog.procyon.org.uk> Date: Wed, 13 May 2026 16:25:26 +0100 Message-ID: <1623439.1778685926@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 David Howells wrote: > Further, since the way the RESPONSE data is handled is being overhauled, > add an XDR decode abstraction that hides the details of buffer advancement > and length checking. At some point it may be worth seeing if NFS's XDR > stuff can be used, but that involves linking against the sunrpc module > which is undesirable. Can this bit be removed if/when the patch is applied to the networking tree? As Jeff points out this is no longer true. David