From: Andy Zhou <azhou@nicira.com>
Date: Thu, 17 Jul 2014 22:17:44 +0000 (-0700)
Subject: openvswitch: Avoid memory corruption in queue_userspace_packet()
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~149^2~91^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f53e38317d581399eb67809d6b6b6c2c107db50c;p=pandora-kernel.git

openvswitch: Avoid memory corruption in queue_userspace_packet()

In queue_userspace_packet(), the ovs_nla_put_flow return value is
not checked. This is fine as long as key_attr_size() returns the
correct value. In case it does not, the current code may corrupt buffer
memory. Add a run time assertion catch this case to avoid silent
failure.

Reported-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Andy Zhou <azhou@nicira.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
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