From: Ido Schimmel <[email protected]> Date: Wed, 29 Jul 2020 11:34:36 +0300
> From: Ido Schimmel <[email protected]> > > The commit cited below removed the RCU read-side critical section from > rtnl_fdb_dump() which means that the ndo_fdb_dump() callback is invoked > without RCU protection. > > This results in the following warning [1] in the VXLAN driver, which > relied on the callback being invoked from an RCU read-side critical > section. > > Fix this by calling rcu_read_lock() in the VXLAN driver, as already done > in the bridge driver. > > [1] > WARNING: suspicious RCU usage > 5.8.0-rc4-custom-01521-g481007553ce6 #29 Not tainted ... > Fixes: 5e6d24358799 ("bridge: netlink dump interface at par with brctl") > Signed-off-by: Ido Schimmel <[email protected]> > Reviewed-by: Jiri Pirko <[email protected]> Applied and queued up for -stable, thanks.
