syzbot
linux-next test error: unregister_netdevice: waiting for DEV to become free
Status: fixed on 2021/11/10 00:50
Fix commit:
0d7a7b2014b1
ipv6: remove extra dev_hold() for fallback tunnels
First crash: 1958d, last: 1958d
Sample crash report:
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = 2
* Struck through repros no longer work on HEAD.