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:26:34:18:96:ad:a9, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-....: (14 ticks this GP) idle=f73/1/0x4000000000000002 softirq=22512/22515 fqs=2501 
	(detected by 0, t=10502 jiffies, g=30173, q=788)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 7407 Comm: syz.1.797 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_atomic_set arch/x86/include/asm/atomic.h:41 [inline]
RIP: 0010:atomic_set include/linux/atomic/atomic-instrumented.h:42 [inline]
RIP: 0010:irq_work_single kernel/irq_work.c:147 [inline]
RIP: 0010:irq_work_run_list+0x143/0x330 kernel/irq_work.c:177
Code: 0f 85 27 01 00 00 44 8b 3b 48 89 df be 04 00 00 00 e8 c1 9b 38 00 43 0f b6 04 2c 84 c0 0f 85 27 01 00 00 45 89 fd 41 83 e5 fe <44> 89 2b f0 83 44 24 fc 00 44 89 fe 83 e6 08 31 ff e8 b7 34 f4 ff
RSP: 0000:ffffc90000dd05e0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: ffff8880b913b1f8 RCX: ffffffff81839a8f
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffff8880b913b1f8
RBP: ffffc90000dd0698 R08: dffffc0000000000 R09: ffffed1017227640
R10: ffffed1017227640 R11: 1ffff1101722763f R12: 1ffff1101722763f
R13: 0000000000000022 R14: ffff8880b913b1f0 R15: 0000000000000023
FS:  00007fb3c82626c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000643aa000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 irq_work_run+0x63/0xe0 kernel/irq_work.c:186
 __sysvec_irq_work+0x98/0x240 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x4a/0xc0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ed 11 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0000:ffffc90000dd07a0 EFLAGS: 00000206
RAX: 3c711c08145e3b00 RBX: 1ffff920001ba0f8 RCX: 3c711c08145e3b00
RDX: dffffc0000000000 RSI: ffffffff8a0b1be0 RDI: ffffffff8a59e800
RBP: ffffc90000dd0880 R08: dffffc0000000000 R09: fffffbfff1ff5439
R10: fffffbfff1ff5439 R11: 1ffffffff1ff5438 R12: ffffffff8c120c00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ndisc_send_skb+0xdc4/0x14a0 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3956
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:get_next_corpse net/netfilter/nf_conntrack_core.c:2335 [inline]
RIP: 0010:nf_ct_iterate_cleanup+0xc0/0x3c0 net/netfilter/nf_conntrack_core.c:2381
Code: 4e 57 5a 05 48 01 c3 48 89 dd 48 c1 ed 03 42 80 7c 25 00 00 74 08 48 89 df e8 ec ba ac f9 4c 8b 2b 4c 89 ee 48 83 e6 01 31 ff <e8> 1b 56 68 f9 49 83 e5 01 0f 85 a8 02 00 00 e8 6c 83 ff ff 48 8b
RSP: 0000:ffffc9000344f7e8 EFLAGS: 00000246
RAX: 00000000000d57c0 RBX: ffff88802b4d57c0 RCX: 000000000001aaf8
RDX: ffffc90013f4a000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 1ffff1100569aaf8 R08: dffffc0000000000 R09: fffffbfff1ff542b
R10: fffffbfff1ff542b R11: 1ffffffff1ff542a R12: dffffc0000000000
R13: 00000000000355f1 R14: ffff88806313cf80 R15: ffffffff880f82c0
 nf_conntrack_cleanup_net_list+0x6f/0x1f0 net/netfilter/nf_conntrack_core.c:2570
 ops_exit_list net/core/net_namespace.c:177 [inline]
 setup_net+0x822/0x9f0 net/core/net_namespace.c:365
 copy_net_ns+0x348/0x5b0 net/core/net_namespace.c:503
 create_new_namespaces+0x3d3/0x6f0 kernel/nsproxy.c:110
 copy_namespaces+0x37d/0x3e0 kernel/nsproxy.c:178
 copy_process+0x180f/0x3e00 kernel/fork.c:2293
 kernel_clone+0x219/0x930 kernel/fork.c:2679
 __do_sys_clone kernel/fork.c:2796 [inline]
 __se_sys_clone kernel/fork.c:2780 [inline]
 __x64_sys_clone+0x170/0x1c0 kernel/fork.c:2780
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fb3c9ffb749
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:00007fb3c8261fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fb3ca251fa0 RCX: 00007fb3c9ffb749
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000400c0000
RBP: 00007fb3ca07ff91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007fb3ca252038 R14: 00007fb3ca251fa0 R15: 00007fff903f4258
 </TASK>
net_ratelimit: 5313 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 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:26:34:18:96:ad:a9, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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:26:34:18:96:ad:a9, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
net_ratelimit: 5633 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:34:18:96:ad:a9, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, 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:26:34:18:96:ad:a9, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on bridge_slave_0 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:26:34:18:96:ad:a9, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)