batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready team0: Port device vlan2 added 8021q: adding VLAN 0 to HW filter on device team0 BUG: spinlock recursion on CPU#1, syz-executor134/7973 lock: 0xffff8880b3569f78, .magic: dead4ead, .owner: syz-executor134/7973, .owner_cpu: 1 CPU: 1 PID: 7973 Comm: syz-executor134 Not tainted 4.14.277-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 debug_spin_lock_before kernel/locking/spinlock_debug.c:84 [inline] do_raw_spin_lock+0x1a2/0x200 kernel/locking/spinlock_debug.c:112 netif_addr_lock_nested include/linux/netdevice.h:3714 [inline] dev_mc_sync+0x10b/0x1c0 net/core/dev_addr_lists.c:765 vlan_dev_set_rx_mode+0x38/0x80 net/8021q/vlan_dev.c:486 __dev_set_rx_mode+0x191/0x2a0 net/core/dev.c:6724 dev_uc_sync_multiple+0x17a/0x1c0 net/core/dev_addr_lists.c:577 team_set_rx_mode+0xb8/0x1e0 drivers/net/team/team.c:1781 __dev_set_rx_mode+0x191/0x2a0 net/core/dev.c:6724 dev_uc_unsync net/core/dev_addr_lists.c:600 [inline] dev_uc_unsync+0x16c/0x1c0 net/core/dev_addr_lists.c:592 bond_hw_addr_flush drivers/net/bonding/bond_main.c:559 [inline] bond_enslave+0x1d35/0x4cf0 drivers/net/bonding/bond_main.c:1805 do_set_master+0x19e/0x200 net/core/rtnetlink.c:1961 do_setlink+0x8b8/0x2bf0 net/core/rtnetlink.c:2098 rtnl_newlink+0x1271/0x1830 net/core/rtnetlink.c:2662 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4322 netlink_rcv_skb+0x125/0x390 net/netlink/af_netlink.c:2455 netlink_unicast_kernel net/netlink/af_netlink.c:1296 [inline] netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1322 netlink_sendmsg+0x648/0xbc0 net/netlink/af_netlink.c:1893 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xb5/0x100 net/socket.c:656 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062 __sys_sendmsg+0xa3/0x120 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x27/0x40 net/socket.c:2103 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f5a47685f69 RSP: 002b:00007fff34d1eff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fff34d1f008 RCX: 00007f5a47685f69 RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000006 RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 R10: bb1414ac00000000 R11: 0000000000000246 R12: 00007fff34d1f010 R13: 00007fff34d1f004 R14: 0000000000000003 R15: 0000000000000000