From: Mike Christie <michaelc@cs.wisc.edu>
Date: Wed, 3 Sep 2014 05:00:39 +0000 (-0500)
Subject: libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
X-Git-Tag: fixes-for-v3.18-merge-window~25^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbaa42213461e9a722a391b3800d7c111de7049b;p=pandora-kernel.git

libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu

This patches fixes a potential buffer overrun in __iscsi_conn_send_pdu.
This function is used by iscsi drivers and userspace to send iscsi PDUs/
commands. For login commands, we have a set buffer size. For all other
commands we do not support data buffers.

This was reported by Dan Carpenter here:
http://www.spinics.net/lists/linux-scsi/msg66838.html

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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