From: Tuong Lien <[email protected]>
Date: Sun, 30 Aug 2020 02:37:55 +0700
> The 'this_cpu_ptr()' is used to obtain the AEAD key' TFM on the current
> CPU for encryption, however the execution can be preemptible since it's
> actually user-space context, so the 'using smp_processor_id() in
> preemptible' has been observed.
>
> We fix the issue by using the 'get/put_cpu_ptr()' API which consists of
> a 'preempt_disable()' instead.
>
> Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
> Acked-by: Jon Maloy <[email protected]>
> Signed-off-by: Tuong Lien <[email protected]>
Applied and queued up for -stable.
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