From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 31F7B1624C5; Fri, 1 May 2026 01:07:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777597676; cv=none; b=mHjZ28BJPM6xr/MY4ZOjWbtLiS6EWa67SqJ16iZvlEy/+DbJVL7JnmFc6Sv98vMcA+nfI5x5MeiqXxKIDkxMEBaeDzbaMVG2bQDoDsC++f0JFwngtbA0eQ0zAQWB4dbXJMXwDXPafN9skLbxbx2De3Q7gzpPHQ+STaHRHbZROT4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777597676; c=relaxed/simple; bh=f27zkwxm17MpnEoSwoWKiQLDnyVy1RpfiTZfdTFc+FU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uOewLypLDA22AJcPkp2LH/tuMzowirBob3JpVCT3zZq2R5nj7y9zHGLXcVg5KdeIhSxzAo/38hQYSxMQP1r0iju319XZfR/oECcXcmTMwVVF9AKED8kPq3OPx+RMdDA5XeJs8oq6Dr+kQ89N7zTXGrINu7ORs4+1BALa9cK4wnw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y8SulLsv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Y8SulLsv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 55216C2BCB3; Fri, 1 May 2026 01:07:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1777597675; bh=f27zkwxm17MpnEoSwoWKiQLDnyVy1RpfiTZfdTFc+FU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Y8SulLsv2T2DgYrtPYcYb2X7sAYx+WBdD/Ug9SpMVQore6h3WCX1fqYz5koE9YXMx B216XG/ZitMVGLC+BQyYTGD5hs4DDTCIgeAgasW5wO0DlG+oVQxXWkqOQczZzM8Zhl chRMemVjtb+kh3ekn/lRkolhPVtcLnzvdCg8iJutu/pVyX57EogsqBKe9QateC8tqi SOUtUjmx5NcJETHtnpXlx7Guuj7r6X5nW/r1o8rAwsRDSihwzUpTYuszsYnXhqPmij O1ApOJWL8wWTt7u3K7u3r2By+zn9ySiTAHizCKErn92RPZR/VTL/yPr2d9l0GO57hF FehiNRyFp37FQ== Date: Thu, 30 Apr 2026 18:07:54 -0700 From: Jakub Kicinski To: Jiawen Wu Cc: netdev@vger.kernel.org, Mengyuan Lou , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Kees Cook , stable@vger.kernel.org Subject: Re: [PATCH net 1/2] net: libwx: fix VF illegal register access Message-ID: <20260430180754.5e81b6ef@kernel.org> In-Reply-To: <4D1F4452D21DE107+20260429083743.88961-1-jiawenwu@trustnetic.com> References: <4D1F4452D21DE107+20260429083743.88961-1-jiawenwu@trustnetic.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 29 Apr 2026 16:37:42 +0800 Jiawen Wu wrote: > Register WX_CFG_PORT_ST is a PF restricted register. When a VF is > initialized, attempting to read this register triggers an illegal > register access, which lead to a system hang. in the future please make sure that when you submit a series the patches form a thread