From: Dmitry Kasatkin <d.kasatkin@samsung.com>
Date: Fri, 15 Aug 2014 10:28:52 +0000 (+0300)
Subject: ima: prevent buffer overflow in ima_alloc_tfm()
X-Git-Tag: fixes-against-v3.18-rc2~106^2~12^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=23c19e2ca736722a9523b64b07cda7efab7b6c57;p=pandora-kernel.git

ima: prevent buffer overflow in ima_alloc_tfm()

This patch fixes the case where the file's signature/hash xattr contains
an invalid hash algorithm.  Although we can not verify the xattr, we still
need to measure the file.  Use the default IMA hash algorithm.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@samsung.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
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