lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <1469677797-74304-3-git-send-email-apronin@chromium.org>
Date:	Wed, 27 Jul 2016 20:49:57 -0700
From:	Andrey Pronin <apronin@...omium.org>
To:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
Cc:	Peter Huewe <peterhuewe@....de>,
	Marcel Selhorst <tpmdd@...horst.net>,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	tpmdd-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
	Christophe Ricard <christophe.ricard@...il.com>,
	dtor@...omium.org, smbarber@...omium.org, dianders@...omium.org,
	Andrey Pronin <apronin@...omium.org>
Subject: [PATCH v3 2/2] tpm_tis_spi: add max xfer size

Reject burstcounts larger than 64 bytes reported by tpm.
SPI Hardware Protocol defined in section 6.4 of TCG PTP
Spec supports up to 64 bytes of data in a transaction.

Signed-off-by: Andrey Pronin <apronin@...omium.org>
---
 drivers/char/tpm/tpm_tis_spi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c
index dbaad9c..b103373 100644
--- a/drivers/char/tpm/tpm_tis_spi.c
+++ b/drivers/char/tpm/tpm_tis_spi.c
@@ -206,6 +206,7 @@ static const struct tpm_tis_phy_ops tpm_spi_phy_ops = {
 	.read16 = tpm_tis_spi_read16,
 	.read32 = tpm_tis_spi_read32,
 	.write32 = tpm_tis_spi_write32,
+	.max_xfer_size = MAX_SPI_FRAMESIZE,
 };
 
 static int tpm_tis_spi_probe(struct spi_device *dev)
-- 
2.6.6

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ