bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:a2:ca:9b:ff:cb:0b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10796/1:b..l
rcu: 	(detected by 0, t=10538 jiffies, g=42681, q=2081 ncpus=2)
task:syz.1.1223      state:R  running task     stack:28808 pid:10796 tgid:10793 ppid:5621   task_flags:0x400040 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5526 [inline]
 __schedule+0x17db/0x58f0 kernel/sched/core.c:7277
 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7599
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__orc_find arch/x86/kernel/unwind_orc.c:101 [inline]
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:238 [inline]
RIP: 0010:unwind_next_frame+0x4c9/0x2550 arch/x86/kernel/unwind_orc.c:510
Code: 49 bc 00 00 00 00 00 fc ff df 4c 8b 7c 24 10 49 8d 6e 38 0f 84 8a 16 00 00 e9 ee 01 00 00 49 89 d5 49 89 d7 4c 89 e0 4c 29 f8 <48> 89 c1 48 c1 f9 02 48 c1 e8 3f 48 01 c8 48 83 e0 fe 49 8d 1c 47
RSP: 0018:ffffc9000d88f9c0 EFLAGS: 00000206
RAX: 0000000000000024 RBX: ffffffff90ef275c RCX: ffffffff90ef2760
RDX: ffffffff90ef2734 RSI: ffffffff919bb914 RDI: ffffffff8c6da020
RBP: ffffffff89a6bad9 R08: 0000000000000015 R09: 0000000000000000
R10: ffffc9000d88fab8 R11: ffffffff81b28ab0 R12: ffffffff90ef2784
R13: ffffffff90ef275c R14: ffffc9000d88fa68 R15: ffffffff90ef2760
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 ref_tracker_alloc+0x1b0/0x4b0 lib/ref_tracker.c:276
 __netns_tracker_alloc include/net/net_namespace.h:370 [inline]
 netns_tracker_alloc include/net/net_namespace.h:379 [inline]
 get_net_track+0x16e/0x230 include/net/net_namespace.h:396
 sk_alloc+0x1da/0x390 net/core/sock.c:2325
 __netlink_create+0x62/0x260 net/netlink/af_netlink.c:627
 netlink_create+0x3ca/0x590 net/netlink/af_netlink.c:685
 __sock_create+0x4b3/0x9d0 net/socket.c:1676
 sock_create net/socket.c:1734 [inline]
 __sys_socket_create net/socket.c:1771 [inline]
 __sys_socket+0xd6/0x1b0 net/socket.c:1818
 __do_sys_socket net/socket.c:1832 [inline]
 __se_sys_socket net/socket.c:1830 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1830
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1acd59e159
RSP: 002b:00007f1ace44a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f1acd826090 RCX: 00007f1acd59e159
RDX: 0000000000000000 RSI: 0000000000000803 RDI: 0000000000000010
RBP: 00007f1acd63506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1acd826128 R14: 00007f1acd826090 R15: 00007ffcb0dd8c58
 </TASK>
bridge0: received packet on veth1_to_bridge with own address as source address (addr:a2:ca:9b:ff:cb:0b, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:a2:ca:9b:ff:cb:0b, vlan:0)