linux-kernel - [PATCH] TPM: ReadPubEK output struct fix

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Message-ID: <1276534702.5670.8.camel@blackbox.ibm.com>
Date:	Mon, 14 Jun 2010 13:58:22 -0300
From:	Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	jmorris@...ei.org
Subject: [PATCH] TPM: ReadPubEK output struct fix

This patch adds a missing element of the ReadPubEK command output, 
that prevents future overflow of this buffer when copying the 
TPM output result into it.

Signed-off-by: Rajiv Andrade <srajiv@...ux.vnet.ibm.com>
---
 drivers/char/tpm/tpm.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 8e00b4d..792868d 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -224,6 +224,7 @@ struct	tpm_readpubek_params_out {
 	u8	algorithm[4];
 	u8	encscheme[2];
 	u8	sigscheme[2];
+	__be32	paramsize;
 	u8	parameters[12]; /*assuming RSA*/
 	__be32	keysize;
 	u8	modulus[256];
-- 
1.6.6.1



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