Messages in this thread | | | Date | Thu, 21 Mar 2019 15:34:55 +0200 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH] tpm: fix a race between poll and write in tpm-dev-common |
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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
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