IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
device bridge_slave_1 entered promiscuous mode
bridge0: port 1(bridge_slave_0) entered forwarding state
bridge0: port 2(bridge_slave_1) entered forwarding state
INFO: rcu_sched self-detected stall on CPU[  160.763100] INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=360, c=359, q=495)
All QSes seen, last rcu_preempt kthread activity 10502 (4294953158-4294942656), jiffies_till_next_fqs=1, root ->qsmask 0x0
swapper/1       R  running task    14920     0      1 0x00000000
 ffff88012b7842d0 ffff88012c103d98 ffffffff811a3242 0000000000002906
 ffffffff8325cdc0 0000000000000168 0000000000000000 ffff88012c103e28
 ffffffff811e9779 0000000000000000 ffff88012c110820 ffff88012b7842d0
Call Trace:
 <IRQ>  [<ffffffff811a3242>] sched_show_task+0xf2/0x1a0 kernel/sched/core.c:4545
 [<ffffffff811e9779>] print_other_cpu_stall kernel/rcu/tree.c:1226 [inline]
 [<ffffffff811e9779>] check_cpu_stall kernel/rcu/tree.c:1332 [inline]
 [<ffffffff811e9779>] __rcu_pending kernel/rcu/tree.c:3422 [inline]
 [<ffffffff811e9779>] rcu_pending kernel/rcu/tree.c:3486 [inline]
 [<ffffffff811e9779>] rcu_check_callbacks+0xd69/0xd70 kernel/rcu/tree.c:2703
 [<ffffffff811efba4>] update_process_times+0x34/0x60 kernel/time/timer.c:1396
 [<ffffffff81202480>] tick_sched_handle.isra.22+0x20/0x60 kernel/time/tick-sched.c:151
 [<ffffffff8120273c>] tick_sched_timer+0x3c/0x80 kernel/time/tick-sched.c:1124
 [<ffffffff811f07a6>] __run_hrtimer+0xe6/0x760 kernel/time/hrtimer.c:1220
 [<ffffffff811f1a73>] hrtimer_interrupt+0x103/0x230 kernel/time/hrtimer.c:1299
 [<ffffffff810be305>] local_apic_timer_interrupt+0x35/0x60 arch/x86/kernel/apic/apic.c:890
 [<ffffffff810be55c>] smp_apic_timer_interrupt+0x3c/0x50 arch/x86/kernel/apic/apic.c:914
 [<ffffffff8264d6b3>] apic_timer_interrupt+0x73/0x80 arch/x86/kernel/entry_64.S:923
 <EOI>  [<ffffffff81196220>] ? __atomic_notifier_call_chain+0x120/0x120 include/linux/rcupdate.h:966
 [<ffffffff810896e9>] arch_safe_halt arch/x86/include/asm/paravirt.h:111 [inline]
 [<ffffffff810896e9>] default_idle+0x29/0x270 arch/x86/kernel/process.c:341
 [<ffffffff8108a62a>] arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:332
 [<ffffffff811bd5e9>] cpuidle_idle_call kernel/sched/idle.c:195 [inline]
 [<ffffffff811bd5e9>] cpu_idle_loop kernel/sched/idle.c:249 [inline]
 [<ffffffff811bd5e9>] cpu_startup_entry+0x2e9/0x660 kernel/sched/idle.c:297
 [<ffffffff810bbea7>] start_secondary+0x147/0x190 arch/x86/kernel/smpboot.c:269
rcu_preempt kthread starved for 10502 jiffies!
INFO: rcu_sched detected stalls on CPUs/tasks:
	0: (1 GPs behind) idle=78b/140000000000002/0 softirq=6086/6100 fqs=10501 
	(detected by 1, t=10503 jiffies, g=-273, c=-274, q=1)
Task dump for CPU 0:
syz-executor.1  R  running task    12168  5483      1 0x0000000c
 0000000000000000 0000000000000000 0000000000000000 0000000000000000
 0000000000000000 0000000000000000 0000000000000000 ffff8800b3f13c28
 0000000000000000 ffff8800b558e400 ffff8800b0a3c800 0000000000000000
Call Trace:

	0: (1 GPs behind) idle=78b/140000000000002/0 softirq=6086/6100 fqs=10534 
	 (t=10536 jiffies g=-273 c=-274 q=1)
Task dump for CPU 0:
syz-executor.1  R  running task    12168  5483      1 0x0000000c
 ffff8800b8bd0150 ffff88012c003790 ffffffff811a3242 0000000000000001
 0000000000000000 ffffffff8325de80 0000000000000086 ffff88012c0037b0
 ffffffff811a7728 ffffffff8325de80 0000000000000001 ffff88012c0037e0
Call Trace:
 <IRQ>  [<ffffffff811a3242>] sched_show_task+0xf2/0x1a0 kernel/sched/core.c:4545
 [<ffffffff811a7728>] dump_cpu_task+0x38/0x40 kernel/sched/core.c:8380
 [<ffffffff811e3710>] rcu_dump_cpu_stacks+0x90/0xe0 kernel/rcu/tree.c:1156
 [<ffffffff811e92cd>] print_cpu_stall kernel/rcu/tree.c:1262 [inline]
 [<ffffffff811e92cd>] check_cpu_stall kernel/rcu/tree.c:1326 [inline]
 [<ffffffff811e92cd>] __rcu_pending kernel/rcu/tree.c:3422 [inline]
 [<ffffffff811e92cd>] rcu_pending kernel/rcu/tree.c:3486 [inline]
 [<ffffffff811e92cd>] rcu_check_callbacks+0x8bd/0xd70 kernel/rcu/tree.c:2703
 [<ffffffff811efba4>] update_process_times+0x34/0x60 kernel/time/timer.c:1396
 [<ffffffff81202480>] tick_sched_handle.isra.22+0x20/0x60 kernel/time/tick-sched.c:151
 [<ffffffff8120273c>] tick_sched_timer+0x3c/0x80 kernel/time/tick-sched.c:1124
 [<ffffffff811f07a6>] __run_hrtimer+0xe6/0x760 kernel/time/hrtimer.c:1220
 [<ffffffff811f1a73>] hrtimer_interrupt+0x103/0x230 kernel/time/hrtimer.c:1299
 [<ffffffff810be305>] local_apic_timer_interrupt+0x35/0x60 arch/x86/kernel/apic/apic.c:890
 [<ffffffff810be55c>] smp_apic_timer_interrupt+0x3c/0x50 arch/x86/kernel/apic/apic.c:914
 [<ffffffff8264d6b3>] apic_timer_interrupt+0x73/0x80 arch/x86/kernel/entry_64.S:923
 [<ffffffff8215815e>] list_add_tail include/linux/list.h:77 [inline]
 [<ffffffff8215815e>] list_move_tail include/linux/list.h:169 [inline]
 [<ffffffff8215815e>] hhf_dequeue+0x16e/0x190 net/sched/sch_hhf.c:466
 [<ffffffff8212c0a7>] dequeue_skb net/sched/sch_generic.c:103 [inline]
 [<ffffffff8212c0a7>] qdisc_restart net/sched/sch_generic.c:220 [inline]
 [<ffffffff8212c0a7>] __qdisc_run+0x67/0x1c0 net/sched/sch_generic.c:236
 [<ffffffff820f9b76>] __dev_xmit_skb net/core/dev.c:2857 [inline]
 [<ffffffff820f9b76>] __dev_queue_xmit+0x406/0x950 net/core/dev.c:2965
 [<ffffffff820fa0ce>] dev_queue_xmit_sk+0xe/0x10 net/core/dev.c:3031
 [<ffffffff822d0c22>] dev_queue_xmit include/linux/netdevice.h:2178 [inline]
 [<ffffffff822d0c22>] neigh_hh_output include/net/neighbour.h:467 [inline]
 [<ffffffff822d0c22>] dst_neigh_output include/net/dst.h:419 [inline]
 [<ffffffff822d0c22>] ip6_finish_output2+0x542/0x7d0 net/ipv6/ip6_output.c:113
 [<ffffffff822d3164>] ip6_finish_output+0xa4/0x1e0 net/ipv6/ip6_output.c:132
 [<ffffffff822d32e9>] NF_HOOK_COND include/linux/netfilter.h:222 [inline]
 [<ffffffff822d32e9>] ip6_output+0x49/0x190 net/ipv6/ip6_output.c:146
 [<ffffffff822f970f>] dst_output_sk include/net/dst.h:458 [inline]
 [<ffffffff822f970f>] NF_HOOK_THRESH.constprop.39+0x2f/0xd0 include/linux/netfilter.h:209
 [<ffffffff822fa573>] NF_HOOK include/linux/netfilter.h:231 [inline]
 [<ffffffff822fa573>] mld_sendpack+0x1a3/0x360 net/ipv6/mcast.c:1647
 [<ffffffff822faf6d>] mld_send_cr net/ipv6/mcast.c:1929 [inline]
 [<ffffffff822faf6d>] mld_ifc_timer_expire+0x19d/0x2e0 net/ipv6/mcast.c:2427
 [<ffffffff811ee625>] call_timer_fn+0xa5/0x520 kernel/time/timer.c:1153
 [<ffffffff811eed4c>] __run_timers kernel/time/timer.c:1225 [inline]
 [<ffffffff811eed4c>] run_timer_softirq+0x2ac/0x4a0 kernel/time/timer.c:1415
 [<ffffffff8117386c>] __do_softirq+0x15c/0x6c0 kernel/softirq.c:273
 [<ffffffff81173ff5>] invoke_softirq kernel/softirq.c:350 [inline]
 [<ffffffff81173ff5>] irq_exit+0xc5/0xe0 kernel/softirq.c:391
 [<ffffffff810be561>] exiting_irq arch/x86/include/asm/apic.h:649 [inline]
 [<ffffffff810be561>] smp_apic_timer_interrupt+0x41/0x50 arch/x86/kernel/apic/apic.c:915
 [<ffffffff8264d6b3>] apic_timer_interrupt+0x73/0x80 arch/x86/kernel/entry_64.S:923
 <EOI>  [<ffffffff811c6a23>] ? lock_acquire+0x33/0x310 kernel/locking/lockdep.c:3612
 [<ffffffff82647e3e>] __mutex_lock_common kernel/locking/mutex.c:518 [inline]
 [<ffffffff82647e3e>] mutex_lock_nested+0x5e/0x610 kernel/locking/mutex.c:617
 [<ffffffff81389ad2>] kernfs_add_one+0x22/0x170 fs/kernfs/dir.c:583
 [<ffffffff8138b470>] __kernfs_create_file+0xa0/0xd0 fs/kernfs/file.c:948
 [<ffffffff8138bd11>] sysfs_add_file_mode_ns+0x91/0x1e0 fs/sysfs/file.c:297
 [<ffffffff8138c9b6>] create_files fs/sysfs/group.c:64 [inline]
 [<ffffffff8138c9b6>] internal_create_group+0xe6/0x2c0 fs/sysfs/group.c:121
 [<ffffffff8138cca9>] sysfs_create_group fs/sysfs/group.c:143 [inline]
 [<ffffffff8138cca9>] sysfs_create_groups+0x49/0xa0 fs/sysfs/group.c:170
 [<ffffffff81b3ba2b>] device_add_groups drivers/base/core.c:460 [inline]
 [<ffffffff81b3ba2b>] device_add_attrs drivers/base/core.c:487 [inline]
 [<ffffffff81b3ba2b>] device_add+0x64b/0x680 drivers/base/core.c:1040
 [<ffffffff8211563d>] netdev_register_kobject+0x8d/0x170 net/core/net-sysfs.c:1523
 [<ffffffff820fb552>] register_netdevice+0x382/0x4c0 net/core/dev.c:6407
 [<ffffffff81c55a35>] veth_newlink+0x115/0x2e0 drivers/net/veth.c:406
 [<ffffffff8210b17f>] rtnl_newlink+0x72f/0x8e0 net/core/rtnetlink.c:2229
 [<ffffffff82109873>] rtnetlink_rcv_msg+0x83/0x230 net/core/rtnetlink.c:3250
 [<ffffffff8216e619>] netlink_rcv_skb+0xa9/0xd0 net/netlink/af_netlink.c:2843
 [<ffffffff821097d9>] rtnetlink_rcv+0x29/0x40 net/core/rtnetlink.c:3256
 [<ffffffff8216df6a>] netlink_unicast_kernel net/netlink/af_netlink.c:1763 [inline]
 [<ffffffff8216df6a>] netlink_unicast+0x1ca/0x2e0 net/netlink/af_netlink.c:1789
 [<ffffffff8216e390>] netlink_sendmsg+0x310/0x3d0 net/netlink/af_netlink.c:2353
 [<ffffffff820d6365>] sock_sendmsg_nosec net/socket.c:613 [inline]
 [<ffffffff820d6365>] sock_sendmsg+0x35/0x40 net/socket.c:623
 [<ffffffff820d67e2>] SYSC_sendto+0xf2/0x170 net/socket.c:1660
 [<ffffffff820d7aa9>] SyS_sendto+0x9/0x10 net/socket.c:1628
 [<ffffffff8264c772>] system_call_fastpath+0x16/0x7a