Warning: Permanently added '10.128.1.89' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   49.180685][ T3606] 
[   49.180691][ T3606] =============================
[   49.180694][ T3606] WARNING: suspicious RCU usage
[   49.180698][ T3606] 5.19.0-rc1-syzkaller-00262-g4b7a632ac4e7 #0 Not tainted
[   49.180706][ T3606] -----------------------------
[   49.180709][ T3606] net/ipv6/addrconf.c:5175 suspicious rcu_dereference_check() usage!
[   49.180718][ T3606] 
[   49.180718][ T3606] other info that might help us debug this:
[   49.180718][ T3606] 
[   49.180721][ T3606] 
[   49.180721][ T3606] rcu_scheduler_active = 2, debug_locks = 1
[   49.180729][ T3606] 1 lock held by syz-executor752/3606:
[   49.180736][ T3606]  #0: ffffffff8d58d7a8 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0xae/0xc20
[   49.180784][ T3606] 
[   49.180784][ T3606] stack backtrace:
[   49.180787][ T3606] CPU: 1 PID: 3606 Comm: syz-executor752 Not tainted 5.19.0-rc1-syzkaller-00262-g4b7a632ac4e7 #0
[   49.180802][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.180809][ T3606] Call Trace:
[   49.180813][ T3606]  <TASK>
[   49.180817][ T3606]  dump_stack_lvl+0xcd/0x134
[   49.180834][ T3606]  in6_dump_addrs+0x12d1/0x1790
[   49.180858][ T3606]  ? inet6_netconf_dump_devconf+0xe00/0xe00
[   49.180883][ T3606]  inet6_dump_addr+0x9c1/0xb50
[   49.180903][ T3606]  ? inet6_netconf_get_devconf+0xb60/0xb60
[   49.180919][ T3606]  ? rcu_read_lock_sched_held+0x3a/0x70
[   49.180937][ T3606]  ? memset+0x20/0x40
[   49.180958][ T3606]  netlink_dump+0x541/0xc20
[   49.180972][ T3606]  ? netlink_deliver_tap+0xc40/0xc40
[   49.180990][ T3606]  ? lock_downgrade+0x6e0/0x6e0
[   49.181010][ T3606]  __netlink_dump_start+0x647/0x900
[   49.181042][ T3606]  rtnetlink_rcv_msg+0x73e/0xc90
[   49.181068][ T3606]  ? inet6_dump_ifacaddr+0x30/0x30
[   49.181095][ T3606]  ? rtnl_fdb_dump+0x9a0/0x9a0
[   49.181111][ T3606]  ? inet6_dump_ifacaddr+0x30/0x30
[   49.181134][ T3606]  netlink_rcv_skb+0x153/0x420
[   49.181147][ T3606]  ? rtnl_fdb_dump+0x9a0/0x9a0
[   49.181164][ T3606]  ? netlink_ack+0xa80/0xa80
[   49.181175][ T3606]  ? netlink_deliver_tap+0x1a2/0xc40
[   49.181191][ T3606]  ? netlink_deliver_tap+0x1b1/0xc40
[   49.181208][ T