[Bridge] [PATCH net] net: bridge: multicast: use rcu to access port list from br_multicast_start_querier

David Miller davem at davemloft.net
Thu Apr 11 18:16:53 UTC 2019

From: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>
Date: Thu, 11 Apr 2019 15:08:25 +0300

> br_multicast_start_querier() walks over the port list but it can be
> called from a timer with only multicast_lock held which doesn't protect
> the port list, so use RCU to walk over it.
> Fixes: c83b8fab06fc ("bridge: Restart queries when last querier expires")
> Signed-off-by: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>

Applied and queued up for -stable, thanks.

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