linux-kernel - Re: [PATCH] tpm: fix race condition in tpm_common

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Message-ID: <20180523194115.GC8705@ziepe.ca>
Date:   Wed, 23 May 2018 13:41:15 -0600
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Tadeusz Struk <tadeusz.struk@...el.com>
Cc:     Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        linux-integrity@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-security-module@...r.kernel.org
Subject: Re: [PATCH] tpm: fix race condition in tpm_common_write()

On Wed, May 23, 2018 at 10:57:07AM -0700, Tadeusz Struk wrote:
> On 05/23/2018 06:23 AM, Jarkko Sakkinen wrote:
> > Ouch o_O Do you have a fixes tag for this one?
> > 
> 
> This one is quite tricky.
> The original bug was introduced by abce9ac292e13 (tpm: Propagate error from tpm_transmit to fix a timeout hang)
> and the code back then was in drivers/char/tpm/tpm-interface.c file

No, it has been wrong since before git history started, so just use

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")

All the other commits you listed are just moving the bad code around
to new files.

Jason