bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: topology change detected, propagating
bridge0: port 1(bridge_slave_0) entered forwarding state
bridge0: topology change detected, propagating
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (2 GPs behind) idle=8dc4/1/0x4000000000000000 softirq=21446/21448 fqs=2
rcu: 	(detected by 1, t=10502 jiffies, g=11993, q=717 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7016 Comm: syz.0.332 Not tainted 6.16.0-rc3-syzkaller-00159-g223e2288f4b8-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:do_raw_spin_lock+0x97/0x290
Code: 4c 8d 77 04 4c 89 f0 48 c1 e8 03 42 0f b6 04 38 84 c0 0f 85 9f 01 00 00 41 8b 06 3d ad 4e ad de 0f 85 1b 01 00 00 4c 8d 63 10 <4d> 89 e6 49 c1 ee 03 43 80 3c 3e 00 74 08 4c 89 e7 e8 b3 0b 85 00
RSP: 0018:ffffc90000007b40 EFLAGS: 00000046
RAX: 00000000dead4ead RBX: ffffffff99ca8880 RCX: 1ffff92000000f6c
RDX: 0000000000000000 RSI: ffffffff8db6efe6 RDI: ffffffff99ca8880
RBP: ffffc90000007bf0 R08: 0000000000000000 R09: ffffffff84c7b0ea
R10: ffffc90000007cb0 R11: fffff52000000f98 R12: ffffffff99ca8890
R13: dffffc0000000000 R14: ffffffff99ca8884 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8650000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555590543808 CR3: 000000000df38000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 _raw_spin_lock_irqsave+0xb3/0xf0
 debug_object_deactivate+0x9a/0x250
 debug_deactivate+0x1d/0x200
 __hrtimer_run_queues+0x2b0/0xc60
 hrtimer_interrupt+0x45b/0xaa0
 __sysvec_apic_timer_interrupt+0x10b/0x410
 sysvec_apic_timer_interrupt+0xa1/0xc0
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unwind_next_frame+0x1883/0x2390
Code: 20 ca 80 fa 01 0f 85 63 01 00 00 49 8d 4c 24 08 4c 39 e9 0f 86 55 01 00 00 48 39 c1 0f 87 4c 01 00 00 4c 3b a4 24 90 00 00 00 <4c> 8b 7c 24 48 0f 87 c9 00 00 00 49 8d 5e 28 48 89 d8 48 c1 e8 03
RSP: 0018:ffffc90007336b58 EFLAGS: 00000206
RAX: ffffc90007338000 RBX: ffffffff903bf501 RCX: ffffc900073379f0
RDX: ffffc90007336c01 RSI: dffffc0000000000 RDI: ffffc90007336c30
RBP: dffffc0000000000 R08: ffffc900073379d8 R09: 0000000000000000
R10: ffffc90007336c78 R11: fffff52000e66d91 R12: ffffc900073379e8
R13: ffffc90007330000 R14: ffffc90007336c28 R15: ffffc90007336c38
 arch_stack_walk+0x11c/0x150
 stack_trace_save+0x9c/0xe0
 save_stack+0xf5/0x1f0
 __reset_page_owner+0x71/0x1f0
 free_unref_folios+0xc66/0x14d0
 folios_put_refs+0x559/0x640
 free_pages_and_swap_cache+0x277/0x520
 tlb_flush_mmu+0x3a0/0x680
 unmap_page_range+0x38fd/0x41c0
 unmap_vmas+0x399/0x580
 exit_mmap+0x248/0xb50
 __mmput+0x118/0x420
 exit_mm+0x1da/0x2c0
 do_exit+0x648/0x22e0
 do_group_exit+0x21c/0x2d0
 get_signal+0x1286/0x1340
 arch_do_signal_or_restart+0x9a/0x750
 exit_to_user_mode_loop+0x75/0x110
 do_syscall_64+0x2bd/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a2b38e929
Code: Unable to access opcode bytes at 0x7f6a2b38e8ff.
RSP: 002b:00007f6a2c2ab0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f6a2b5b6088 RCX: 00007f6a2b38e929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f6a2b5b6088
RBP: 00007f6a2b5b6080 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6a2b5b608c
R13: 0000000000000000 R14: 00007ffd3fbbbea0 R15: 00007ffd3fbbbf88
 </TASK>
rcu: rcu_preempt kthread starved for 10498 jiffies! g11993 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27320 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 __schedule+0x16f5/0x4d00
 schedule+0x165/0x360
 schedule_timeout+0x12b/0x270
 rcu_gp_fqs_loop+0x301/0x1540
 rcu_gp_kthread+0x99/0x390
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 791 Comm: kworker/1:2 Not tainted 6.16.0-rc3-syzkaller-00159-g223e2288f4b8-dirty #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
Workqueue: events jump_label_update_timeout
RIP: 0010:smp_call_function_many_cond+0xf6e/0x12d0
Code: 89 ee 83 e6 01 31 ff e8 c0 79 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 6b 75 0b 00 eb 37 f3 90 43 0f b6 04 2c <84> c0 75 10 41 f7 07 01 00 00 00 74 1e e8 50 75 0b 00 eb e5 44 89
RSP: 0018:ffffc90004d6f780 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff88813663b1c0 RCX: ffff8881092b5640
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004d6f8e0 R08: ffffffff8fa10cf7 R09: 1ffffffff1f4219e
R10: dffffc0000000000 R11: fffffbfff1f4219f R12: 1ffff11009608385
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804b041c28
FS:  0000000000000000(0000) GS:ffff8881a3c50000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f199734afc8 CR3: 000000000df38000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80
 smp_text_poke_batch_finish+0x5e0/0x1100
 arch_jump_label_transform_apply+0x1c/0x30
 __static_key_slow_dec_cpuslocked+0xbb/0x110
 jump_label_update_timeout+0x1e/0x30
 process_scheduled_works+0xae1/0x17b0
 worker_thread+0x8a0/0xda0
 kthread+0x711/0x8a0
 ret_from_fork+0x3fc/0x770
 ret_from_fork_asm+0x1a/0x30
 </TASK>
