Re: [PATCH net] net: set default network namespace in init_dummy_netdev()

From: Josh Elsasser Date: Sat, 26 Jan 2019 14:38:33 -0800 > Assign a default net namespace to netdevs created by init_dummy_netdev(). > Fixes a NULL pointer dereference caused by busy-polling a socket bound to > an iwlwifi wireless device, which bumps the per-net BUSYPOLLRXPACKETS stat > if

[PATCH net] net: set default network namespace in init_dummy_netdev()

Assign a default net namespace to netdevs created by init_dummy_netdev(). Fixes a NULL pointer dereference caused by busy-polling a socket bound to an iwlwifi wireless device, which bumps the per-net BUSYPOLLRXPACKETS stat if napi_poll() received packets: BUG: unable to handle kernel NULL