bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6970
rcu: 	(detected by 1, t=10502 jiffies, g=12957, q=2371 ncpus=2)
task:syz.1.288       state:R  running task     stack:22656 pid:6970  tgid:6969  ppid:5830   task_flags:0x400140 flags:0x00080012
Call Trace:
 <IRQ>
 sched_show_task+0x49d/0x630
 print_other_cpu_stall+0xf7a/0x1340
 rcu_sched_clock_irq+0xac1/0x1280
 update_process_times+0x23c/0x2f0
 tick_nohz_handler+0x3e9/0x710
 __hrtimer_run_queues+0x4d0/0xc30
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x102/0x3e0
 sysvec_apic_timer_interrupt+0x52/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:debug_lockdep_rcu_enabled+0x2a/0x40
Code: f3 0f 1e fa 31 c0 83 3d 17 58 26 04 00 74 1e 83 3d 2a 87 26 04 00 74 15 65 48 8b 0c 25 08 b0 7e 92 31 c0 83 b9 2c 0b 00 00 00 <0f> 94 c0 e9 0e e3 02 00 cc cc cc cc cc cc cc cc cc cc cc cc cc cc
RSP: 0018:ffffc90000a076b0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888165f6c700 RCX: ffff8881175a9d40
RDX: 0000000000000100 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffff8881ba9e8c00 R08: ffffc90000a0778f R09: 0000000000000000
R10: ffffc90000a07780 R11: fffff52000140ef2 R12: dffffc0000000000
R13: ffffc90000a07760 R14: ffff888165f6c720 R15: ffffc90000a07768
 fib6_node_lookup_1+0x33e/0x8a0
 fib6_node_lookup+0xcc/0x1b0
 fib6_table_lookup+0xbf/0xa80
 ip6_pol_route+0x222/0x1180
 fib6_rule_lookup+0x52f/0x6f0
 ip6_route_input+0x6de/0xad0
 ip6_rcv_finish+0x141/0x2e0
 ip_sabotage_in+0x1e1/0x270
 nf_hook_slow+0xc5/0x220
 NF_HOOK+0x206/0x3a0
 __netif_receive_skb+0xd3/0x380
 netif_receive_skb+0x1bb/0x750
 NF_HOOK+0xa0/0x390
 br_handle_frame_finish+0x15c6/0x1c90
 br_nf_hook_thresh+0x3c6/0x4a0
 br_nf_pre_routing_finish_ipv6+0x999/0xd60
 br_nf_pre_routing_ipv6+0x37e/0x6b0
 br_handle_frame+0x96e/0x14f0
 __netif_receive_skb_core+0x95f/0x2f90
 __netif_receive_skb+0x72/0x380
 process_backlog+0x622/0x1500
 __napi_poll+0xae/0x320
 net_rx_action+0x672/0xe50
 handle_softirqs+0x27d/0x850
 __irq_exit_rcu+0xca/0x1f0
 irq_exit_rcu+0x9/0x30
 sysvec_apic_timer_interrupt+0xa6/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:raw_spin_rq_unlock_irq+0x13/0x90
Code: cc e8 b1 94 c8 09 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 66 90 e8 e4 31 cb 09 e8 3f 5d 36 00 fb 5b <41> 5e 41 5f e9 44 7f cb 09 cc f3 0f 1e fa 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc900056d6848 EFLAGS: 00000286
RAX: ef5c2ae3b8fef100 RBX: ffff88823c63a900 RCX: ef5c2ae3b8fef100
RDX: 0000000000000006 RSI: ffffffff8d792409 RDI: ffffffff8bc082e0
RBP: ffffc900056d6a70 R08: ffffffff8f821f77 R09: 1ffffffff1f043ee
R10: dffffc0000000000 R11: fffffbfff1f043ef R12: dffffc0000000000
R13: ffff8881175a9d40 R14: ffff88823c63b470 R15: 1ffff110478c7680
 __schedule+0x19cf/0x5000
 preempt_schedule_irq+0xb5/0x150
 irqentry_exit+0x5d8/0x660
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x85c/0x23d0
Code: 28 00 74 08 48 89 df e8 72 d2 b3 00 48 8b 3b 48 85 ff 0f 84 48 0f 00 00 48 83 c7 10 e9 73 01 00 00 83 fb 04 0f 84 7b 01 00 00 <83> fb 05 0f 85 38 0c 00 00 48 8b 44 24 58 80 3c 28 00 74 11 4c 89
RSP: 0018:ffffc900056d6c38 EFLAGS: 00000202
RAX: ffffc900056d6d3d RBX: 0000000000000005 RCX: ffffffff8fa2e5e4
RDX: ffffffff9022c82a RSI: ffffffff9022c82e RDI: ffffffff8bc08280
RBP: dffffc0000000000 R08: 0000000000000011 R09: ffffffff8df41a20
R10: ffffc900056d6d58 R11: ffffffff81ada120 R12: ffffffff9022c82f
R13: ffffc900056d6d58 R14: ffffc900056d6d08 R15: ffffc900056d6d40
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 kasan_save_track+0x3e/0x80
 __kasan_slab_alloc+0x6c/0x80
 kmem_cache_alloc_node_noprof+0x43c/0x720
 __alloc_skb+0x255/0x430
 ip6_frag_next+0x12d/0xb60
 ip6_fragment+0x1381/0x1e20
 ip6_output+0x340/0x550
 ip6_mr_output+0x4e9/0x1100
 ip6_send_skb+0x1d5/0x390
 l2tp_ip6_sendmsg+0x12f2/0x17c0
 __sock_sendmsg+0x19c/0x270
 ____sys_sendmsg+0x505/0x820
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1e31f8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1e32e6a038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f1e321e5fa0 RCX: 00007f1e31f8f7c9
RDX: 0000000000000000 RSI: 0000200000001180 RDI: 0000000000000009
RBP: 00007f1e31ff297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1e321e6038 R14: 00007f1e321e5fa0 R15: 00007fff4c2dcbf8
 </TASK>
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
