netdev - Re: [PATCH net] net: tls: Fix deadlock in free

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Date:   Mon, 28 Jan 2019 23:07:57 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     davejwatson@...com
Cc:     netdev@...r.kernel.org, vakul.garg@....com, borisp@...lanox.com,
        aviadye@...lanox.com, john.fastabend@...il.com,
        daniel@...earbox.net
Subject: Re: [PATCH net] net: tls: Fix deadlock in free_resources tx

From: Dave Watson <davejwatson@...com>
Date: Sun, 27 Jan 2019 00:59:03 +0000

> If there are outstanding async tx requests (when crypto returns EINPROGRESS),
> there is a potential deadlock: the tx work acquires the lock, while we
> cancel_delayed_work_sync() while holding the lock.  Drop the lock while waiting
> for the work to complete.
> 
> Fixes: a42055e8d2c30 ("Add support for async encryption of records...")
> Signed-off-by: Dave Watson <davejwatson@...com>

Applied and queued up for -stable.