syz-executor925[28115]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
syz-executor925[29234]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[29904]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[30242]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[30352]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[30748]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[30973]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]
syz-executor925[31461]: segfault at 0 ip           (null) sp 00007fdff48ec328 error 14 in syz-executor925865502[400000+1000]