[PATCH 5.10 0/3] net: fix use-after-free of net_device's in __rtnl_newlink()

[Fedor Pchelkin <pchelkin@xxxxxxxxx>]

Syzkaller reports use-after-free for net_device's in 5.10 stable releases.
The problem has been fixed by the following patch series and
it can be cleanly applied to the 5.10 branch.

Found by Linux Verification Center (linuxtesting.org) with Syzkaller.