From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Tue, 19 Feb 2013 02:31:37 +0000 (-0800)
Subject: target: Add missing mapped_lun bounds checking during make_mappedlun setup
X-Git-Tag: v3.9-rc1~71^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fbbf8555a986ed31e54f006b6cc637ea4ff1425b;p=pandora-kernel.git

target: Add missing mapped_lun bounds checking during make_mappedlun setup

This patch adds missing bounds checking for the configfs provided
mapped_lun value during target_fabric_make_mappedlun() setup ahead
of se_lun_acl initialization.

This addresses a potential OOPs when using a mapped_lun value that
exceeds the hardcoded TRANSPORT_MAX_LUNS_PER_TPG-1 value within
se_node_acl->device_list[].

Reported-by: Jan Engelhardt <jengelh@inai.de>
Cc: Jan Engelhardt <jengelh@inai.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

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