syzbot

IPVS: ftp: loaded support on port[0] = 21
IPVS: Creating netns size=2712 id=2
IPVS: ftp: loaded support on port[0] = 21
chnl_net:caif_netlink_parms(): no params data found
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5754 at net/batman-adv/main.c:750 batadv_tvlv_container_remove+0x7b/0x80 net/batman-adv/main.c:750()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 5754 Comm: syz-executor.0 Not tainted 4.4.192 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 0000000000000082 ffff8800b7adf870 ffffffff818a6ee2 0000000000000000
 ffffffff82e96278 ffffffff8300ab2d ffff8800b7adf8e8 ffffffff8126f9bc
 ffff880000000008 ffff8800b7adf8f8 ffff8800b7adf898 ffffffff81274e1f
Call Trace:
 [<ffffffff818a6ee2>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff818a6ee2>] dump_stack+0xa1/0xdf lib/dump_stack.c:51
 [<ffffffff8126f9bc>] panic+0xd2/0x225 kernel/panic.c:112
 [<ffffffff8126fb35>] warn_slowpath_common kernel/panic.c:455 [inline]
 [<ffffffff8126fb35>] warn_slowpath_common.cold+0x16/0x16 kernel/panic.c:435
 [<ffffffff811715f5>] warn_slowpath_null+0x15/0x20 kernel/panic.c:492
 [<ffffffff825e83cb>] batadv_tvlv_container_remove+0x7b/0x80 net/batman-adv/main.c:750
 [<ffffffff825e91d3>] batadv_tvlv_container_register+0xb3/0x120 net/batman-adv/main.c:815
 [<ffffffff825e2656>] batadv_dat_tvlv_container_update net/batman-adv/distributed-arp-table.c:691 [inline]
 [<ffffffff825e2656>] batadv_dat_tvlv_container_update+0x26/0x40 net/batman-adv/distributed-arp-table.c:680
 [<ffffffff825e30ba>] batadv_dat_init+0x6a/0x80 net/batman-adv/distributed-arp-table.c:763
 [<ffffffff825e8859>] batadv_mesh_init+0x239/0x290 net/batman-adv/main.c:173
 [<ffffffff825f39b1>] batadv_softif_init_late+0x271/0x2c0 net/batman-adv/soft-interface.c:832
 [<ffffffff820e52da>] register_netdevice+0xfa/0x440 net/core/dev.c:6756
 [<ffffffff820f4d25>] rtnl_newlink+0x8a5/0x910 net/core/rtnetlink.c:2393
 [<ffffffff820f32e0>] rtnetlink_rcv_msg+0x170/0x1e0 net/core/rtnetlink.c:3446
 [<ffffffff821576c1>] netlink_rcv_skb+0x31/0xc0 net/netlink/af_netlink.c:2361
 [<ffffffff820f3166>] rtnetlink_rcv+0x26/0x30 net/core/rtnetlink.c:3452
 [<ffffffff82157138>] netlink_unicast_kernel net/netlink/af_netlink.c:1277 [inline]
 [<ffffffff82157138>] netlink_unicast+0x168/0x210 net/netlink/af_netlink.c:1303
 [<ffffffff821573d1>] netlink_sendmsg+0x1f1/0x390 net/netlink/af_netlink.c:1859
 [<ffffffff820c00a5>] sock_sendmsg_nosec net/socket.c:600 [inline]
 [<ffffffff820c00a5>] sock_sendmsg+0x35/0x40 net/socket.c:610
 [<ffffffff820c052d>] SYSC_sendto+0xed/0x160 net/socket.c:1640
 [<ffffffff820c13b9>] SyS_sendto+0x9/0x10 net/socket.c:1608
 [<ffffffff8265473c>] entry_SYSCALL_64_fastpath+0x1c/0x7c
Kernel Offset: disabled
Rebooting in 86400 seconds..