From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Tadeusz Struk <tadeusz.struk@intel.com>
Cc: grawity@gmail.com, James.Bottomley@HansenPartnership.com,
linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] tpm: fix a race between poll and write in tpm-dev-common
Date: Thu, 21 Mar 2019 15:34:55 +0200 [thread overview]
Message-ID: <20190321133455.GD2267@linux.intel.com> (raw)
In-Reply-To: <155294749695.20367.14472779462229450620.stgit@tstruk-mobl1.jf.intel.com>
On Mon, Mar 18, 2019 at 03:18:16PM -0700, Tadeusz Struk wrote:
> Since the poll returns EPOLLIN base on the state of two
> variables, the response_read being false and the
> response_length > 0 the poll needs to take the buffer_mutex
> after it is woken up.
>
> Fixes: 9488585b21bef0df12 ("tpm: add support for partial reads")
> Reported-by: Mantas Mikulėnas <grawity@gmail.com>
> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Also, please add Cc: stable@vger.kernel.org as the first tag.
/Jarkko
prev parent reply other threads:[~2019-03-21 13:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 22:18 [PATCH] tpm: fix a race between poll and write in tpm-dev-common Tadeusz Struk
2019-03-18 23:19 ` James Bottomley
2019-03-19 19:09 ` Tadeusz Struk
2019-03-21 13:34 ` Jarkko Sakkinen
2019-03-21 13:34 ` Jarkko Sakkinen [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190321133455.GD2267@linux.intel.com \
--to=jarkko.sakkinen@linux.intel.com \
--cc=James.Bottomley@HansenPartnership.com \
--cc=grawity@gmail.com \
--cc=linux-integrity@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=tadeusz.struk@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.