linux-kernel - Re: [PATCH v2] tpm: tpm_transmit() does not check for minimum buffer size.

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Message-ID: <20160912201606.GB8889@intel.com>
Date:   Mon, 12 Sep 2016 23:16:06 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>
Cc:     Peter Huewe <peterhuewe@....de>,
        Marcel Selhorst <tpmdd@...horst.net>,
        "moderated list:TPM DEVICE DRIVER" 
        <tpmdd-devel@...ts.sourceforge.net>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] tpm: tpm_transmit() does not check for minimum buffer
 size.

On Mon, Sep 12, 2016 at 11:32:19AM -0600, Jason Gunthorpe wrote:
> On Mon, Sep 12, 2016 at 01:43:30PM +0300, Jarkko Sakkinen wrote:
> > tpm_transmit() does not check that bufsiz is at least TPM_HEADER_SIZE
> > before accessing data. This commit adds the check and returns -ENOMEM.
> 
> -EINVAL
> 
> > v2: Updated commit msg
> 
> After the diffstat, do not commit that to the tree

Duh, right. Thanks.

> Jason

/Jarkko