From: Michal Kubecek <mkubecek@suse.cz>
Date: Fri, 18 Jan 2013 15:03:48 +0000 (+0100)
Subject: xfrm: fix freed block size calculation in xfrm_policy_fini()
X-Git-Tag: v3.8-rc6~20^2~23^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b653b2a1c3b5634368fde2df958a1398481e580;p=pandora-kernel.git

xfrm: fix freed block size calculation in xfrm_policy_fini()

Missing multiplication of block size by sizeof(struct hlist_head)
can cause xfrm_hash_free() to be called with wrong second argument
so that kfree() is called on a block allocated with vzalloc() or
__get_free_pages() or free_pages() is called with wrong order when
a namespace with enough policies is removed.

Bug introduced by commit a35f6c5d, i.e. versions >= 2.6.29 are
affected.

Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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