From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794194530; b=4Gvn0OQS1u1SfqptSrSZ+cX793UbLNWse/sl63q3euK7LgjgjSnRZ7T9ic7uF9V9sOEj ZRmtNwogcaweyL8hANrTaCQPyyouinmY1wPXjZ9T+77tvhEXeT38lCObpnkihpkxByfdp lofunbrWobJlz7EZVGt3/4eKY2rGWLoU8NQ00M5Xtger5G1mWtTt7noOapmgq1SfCEUhF 3oXNiYlS8uO8sRZ0fbpake4a0AE+KN/jEgEB6gy933clefBF4UZT/qmMbWd5+2VL+lb7W yZw91kiHqfGe+fY8OsofDNF10oLmbBUq9TucW+UOItEQp54+o2PWPLlgKRAXXNiHQLg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794194530; h=Received:DKIM-Signature:To:Cc:Subject:From:In-Reply-To:Message-ID: References:Date:MIME-Version:Content-Type; bh=vx8mcj44AHPyE5HDW+MoYkGD0cJb0NuGEUOkrkQvwv0=; b=2nDH/KIEBq/QNKmC9d6I2+JkjEPNLvFjVCKElnaxqRfP+mM2RV7Q6Ali0Jduae9Hjrg6 ZhlYuajl46KHT5iA8ztQIq7gKgu+AwREmN4RggKxrn9YxrwRnaheVlUH1SRpZcfhtiEGq lNOFClfAiidhruknmPGxIf3Xoluwb9ALzrkTc+YtLWWuxOq2OgXQBmHclgNA2Vh+0PvCm Eo7Y2rX39JxAgjM3KcP9OP9tRCTcN2Hg7/Zy7uFrfpfMxKQ9atyr/+eR0M7JYtMX/lfzD sTqfEzpqqXQrLYgyVKK8cxSYMXXJDDZMTd8lcmZqIfRBgIKPOHx9YIe2mEQsrrliBDA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FE75y4XA; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BDAB2606A31C; Mon, 9 Nov 2026 03:22:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=FE75y4XA Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2B8BB1F0089F; Mon, 9 Nov 2026 03:22:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794194529; bh=vx8mcj44AHPyE5HDW+MoYkGD0cJb0NuGEUOkrkQvwv0=; h=To:Cc:Subject:From:In-Reply-To:References:Date; b=FE75y4XANq1WfpibV9hi2rolt0AkjQXsh32u4TnDU6p7eTQaRGwJG3DCmjyHpwRdj o3jzG+x8i6FFCHPQ6nSjQx0gBG8zQ00qD43X5xf6J7805Jgm3mvQZTNrLK2IZLsf9y y17HHqupW2qo7PVKvwa/FZ9U3MUUkQWPwV4xz6sTi050JMFbeetaUZj90D6wyvYRRT X2OufbibXrvcFBk1l4deSEzX13JsWelDXSrO5myFyZEwK1MVs7/0OmmqM5KJ4pnQOG NNeqTovr7R9DFdd5TCa1veMiaHi9OgJAUIqGKzUThAsatJ3Gy9Ff0vmScRsnRA2iRE TOGql5Opjg/Ug== To: Cc: , , , Subject: Re: [PATCH] scsi: scsi_transport_fc: reject truncated FPIN payloads From: "Martin K. Petersen" In-Reply-To: <20261031222243820vSs-SXTIpNSHpWeC2dJ38@zte.com.cn> Message-ID: References: <20261031222243820vSs-SXTIpNSHpWeC2dJ38@zte.com.cn> Date: Sun, 08 Nov 2026 22:22:08 -0500 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain > fc_host_fpin_rcv() computes the length of the TLV area as > > bytes_remain = fpin_len - offsetof(struct fc_els_fpin, fpin_desc); > > without checking that the payload is at least as large as the fixed > FC-ELS header. Applied to 7.5/scsi-staging, thanks! -- Martin K. Petersen