rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=8d2c/1/0x4000000000000000 softirq=39897/39902 fqs=0
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P10505/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=30273, q=312 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6657 Comm: kworker/u8:9 Not tainted 6.14.0-rc4-syzkaller-00169-g1e15510b71c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:87 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:147 [inline]
RIP: 0010:__raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
RIP: 0010:_raw_spin_lock_irq+0x9/0x50 kernel/locking/spinlock.c:170
Code: bd f1 3c f6 48 89 df 58 5b e9 a3 59 3d f6 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 53 48 89 fb 9c <58> fa f6 c4 02 75 30 bf 01 00 00 00 e8 76 88 2e f6 45 31 c9 41 b8
RSP: 0018:ffffc90000007e18 EFLAGS: 00000046
RAX: 0000000000010001 RBX: ffff8880b862c680 RCX: ffffffff81a71533
RDX: ffff888062a50000 RSI: ffffffff81a70f76 RDI: ffff8880b862c680
RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000006 R12: ffff888061d3c340
R13: ffff8880b862c780 R14: ffff8880b862c680 R15: ffffffff896a8b90
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff60b2d56c0 CR3: 0000000012fc4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1805 [inline]
 __hrtimer_run_queues+0x2be/0xae0 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211
Code: 00 e8 70 01 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 9e 44 20 00 48 85 db 0f 85 55 01 00 00 e8 60 49 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 45 5e 83
RSP: 0018:ffffc9001bde7588 EFLAGS: 00000293
RAX: ffffffff8eeac1b8 RBX: 0000000000000000 RCX: ffffffff819996f2
RDX: ffff888062a50000 RSI: ffffffff81999700 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000007 R12: ffffffff8eeac1b8
R13: ffffffff8eeac160 R14: ffffc9001bde7618 R15: dffffc0000000000
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
 _printk+0xc8/0x100 kernel/printk/printk.c:2457
 __netdev_printk+0x376/0x500 net/core/dev.c:12304
 netdev_info+0xe5/0x120 net/core/dev.c:12351
 __dev_set_promiscuity+0x170/0x590 net/core/dev.c:9043
 dev_set_promiscuity+0x52/0x150 net/core/dev.c:9081
 nbp_delete_promisc net/bridge/br_if.c:254 [inline]
 del_nbp+0x11f/0xd30 net/bridge/br_if.c:340
 br_dev_delete+0x99/0x1a0 net/bridge/br_if.c:386
 br_net_exit_batch_rtnl+0x116/0x1f0 net/bridge/br.c:376
 cleanup_net+0x557/0xb30 net/core/net_namespace.c:645
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
task:syz.5.1832      state:R  running task     stack:27936 pid:10505 tgid:10505 ppid:9431   task_flags:0x40004c flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6765
 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:6944
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_unlock+0x3e/0x50 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 zap_pte_range mm/memory.c:1772 [inline]
 zap_pmd_range mm/memory.c:1834 [inline]
 zap_pud_range mm/memory.c:1863 [inline]
 zap_p4d_range mm/memory.c:1884 [inline]
 unmap_page_range+0xee3/0x4390 mm/memory.c:1905
 unmap_single_vma+0x194/0x2b0 mm/memory.c:1951
 unmap_vmas+0x22f/0x490 mm/memory.c:1995
 exit_mmap+0x1c1/0xba0 mm/mmap.c:1284
 __mmput+0x12a/0x410 kernel/fork.c:1356
 mmput+0x62/0x70 kernel/fork.c:1378
 exit_mm kernel/exit.c:570 [inline]
 do_exit+0x9ba/0x2d70 kernel/exit.c:925
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096
 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff60a58d169
RSP: 002b:00007ffe48f664a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff60a58d169
RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe48f6650c R08: 0000000448f6659f R09: 00000000000927c0
R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000034
R13: 00000000000927c0 R14: 000000000002bbad R15: 00007ffe48f66560
 </TASK>
rcu: rcu_preempt kthread starved for 10502 jiffies! g30273 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:27552 pid:17    tgid:17    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0xf43/0x5890 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6857
 schedule_timeout+0x124/0x280 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:2024
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:2226
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 10502 Comm: syz.6.1830 Not tainted 6.14.0-rc4-syzkaller-00169-g1e15510b71c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c4/0x12c0 kernel/smp.c:885
Code: a2 09 0c 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7c 0e 0c 00 <f3> 90 41 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 e8 0b 00 00 8b 43
RSP: 0018:ffffc9000bbd7a48 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b8646a00 RCX: ffffffff81add20a
RDX: ffff888070c92440 RSI: ffffffff81add1e4 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffffed10170c8d41
R13: 0000000000000001 R14: ffff8880b873fe80 R15: ffff8880b8646a08
FS:  000055558b7db500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f716ff8 CR3: 000000005e8da000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2118 [inline]
 text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2328
 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2516 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2526
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
 static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x4fd/0xd70 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x35/0x70 kernel/bpf/syscall.c:3615
 bpf_link_free+0xe9/0x390 kernel/bpf/syscall.c:3137
 bpf_link_put_direct kernel/bpf/syscall.c:3180 [inline]
 bpf_link_release+0x5d/0x80 kernel/bpf/syscall.c:3187
 __fput+0x3ff/0xb70 fs/file_table.c:464
 task_work_run+0x14e/0x250 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fccb2b8d169
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:00007fff260059d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000002bc10 RCX: 00007fccb2b8d169
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fccb2da7ba0 R08: 0000000000000001 R09: 0000000426005ccf
R10: 00007fccb2a00000 R11: 0000000000000246 R12: 00007fccb2da5fac
R13: 00007fccb2da5fa0 R14: ffffffffffffffff R15: 00007fff26005af0
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [syz.6.1830:10502]
Modules linked in:
irq event stamp: 611406
hardirqs last  enabled at (611405): [<ffffffff8b57403b>] irqentry_exit+0x3b/0x90 kernel/entry/common.c:357
hardirqs last disabled at (611406): [<ffffffff8b5727be>] sysvec_apic_timer_interrupt+0xe/0xc0 arch/x86/kernel/apic/apic.c:1049
softirqs last  enabled at (611400): [<ffffffff817c131b>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (611400): [<ffffffff817c131b>] handle_softirqs+0x5bb/0x8f0 kernel/softirq.c:589
softirqs last disabled at (611395): [<ffffffff817c17e9>] __do_softirq kernel/softirq.c:595 [inline]
softirqs last disabled at (611395): [<ffffffff817c17e9>] invoke_softirq kernel/softirq.c:435 [inline]
softirqs last disabled at (611395): [<ffffffff817c17e9>] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:662
CPU: 1 UID: 0 PID: 10502 Comm: syz.6.1830 Not tainted 6.14.0-rc4-syzkaller-00169-g1e15510b71c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0x4c6/0x12c0 kernel/smp.c:885
Code: 0c 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 7c 0e 0c 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 e8 0b 00 00 8b 43 08 31
RSP: 0018:ffffc9000bbd7a48 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b8646a00 RCX: ffffffff81add20a
RDX: ffff888070c92440 RSI: ffffffff81add1e4 RDI: 0000000000000005
RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000005 R12: ffffed10170c8d41
R13: 0000000000000001 R14: ffff8880b873fe80 R15: ffff8880b8646a08
FS:  000055558b7db500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f716ff8 CR3: 000000005e8da000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x90 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2118 [inline]
 text_poke_bp_batch+0x22b/0x760 arch/x86/kernel/alternative.c:2328
 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline]
 text_poke_flush arch/x86/kernel/alternative.c:2516 [inline]
 text_poke_finish+0x30/0x40 arch/x86/kernel/alternative.c:2526
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 jump_label_update+0x1d7/0x400 kernel/jump_label.c:920
 static_key_disable_cpuslocked+0x158/0x1c0 kernel/jump_label.c:240
 static_key_disable+0x1a/0x20 kernel/jump_label.c:248
 tracepoint_remove_func kernel/tracepoint.c:370 [inline]
 tracepoint_probe_unregister+0x4fd/0xd70 kernel/tracepoint.c:504
 bpf_raw_tp_link_release+0x35/0x70 kernel/bpf/syscall.c:3615
 bpf_link_free+0xe9/0x390 kernel/bpf/syscall.c:3137
 bpf_link_put_direct kernel/bpf/syscall.c:3180 [inline]
 bpf_link_release+0x5d/0x80 kernel/bpf/syscall.c:3187
 __fput+0x3ff/0xb70 fs/file_table.c:464
 task_work_run+0x14e/0x250 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x27b/0x2a0 kernel/entry/common.c:218
 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fccb2b8d169
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:00007fff260059d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 000000000002bc10 RCX: 00007fccb2b8d169
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007fccb2da7ba0 R08: 0000000000000001 R09: 0000000426005ccf
R10: 00007fccb2a00000 R11: 0000000000000246 R12: 00007fccb2da5fac
R13: 00007fccb2da5fa0 R14: ffffffffffffffff R15: 00007fff26005af0
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6657 Comm: kworker/u8:9 Not tainted 6.14.0-rc4-syzkaller-00169-g1e15510b71c9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: netns cleanup_net
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:89 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x105/0x1a0 mm/kasan/generic.c:189
Code: 75 0a 45 3a 11 b8 01 00 00 00 7c 0b 44 89 c2 e8 c1 ec ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 <48> 83 c0 01 48 39 d0 74 41 80 38 00 74 f2 eb b2 41 bc 08 00 00 00
RSP: 0018:ffffc900000079c0 EFLAGS: 00000046
RAX: fffffbfff2dd85cb RBX: fffffbfff2dd85cc RCX: ffffffff8195b64e
RDX: fffffbfff2dd85cc RSI: 0000000000000008 RDI: ffffffff96ec2e58
RBP: fffffbfff2dd85cb R08: 0000000000000000 R09: fffffbfff2dd85cb
R10: ffffffff96ec2e5f R11: 0000000000000007 R12: ffff888062a50000
R13: 0000000000000100 R14: 0000000000000008 R15: 1ffff92000000f44
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff60b2d56c0 CR3: 0000000012fc4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class+0x4e/0x130 kernel/locking/lockdep.c:230
 mark_lock+0xb5/0xc60 kernel/locking/lockdep.c:4729
 mark_usage kernel/locking/lockdep.c:4672 [inline]
 __lock_acquire+0x9f1/0x3c40 kernel/locking/lockdep.c:5182
 lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xd8/0xc60 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x9a4/0xc60 kernel/printk/printk.c:3211
Code: 00 e8 70 01 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 9e 44 20 00 48 85 db 0f 85 55 01 00 00 e8 60 49 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 45 5e 83
RSP: 0018:ffffc9001bde7588 EFLAGS: 00000293
RAX: ffffffff8eeac1b8 RBX: 0000000000000000 RCX: ffffffff819996f2
RDX: ffff888062a50000 RSI: ffffffff81999700 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000007 R12: ffffffff8eeac1b8
R13: ffffffff8eeac160 R14: ffffc9001bde7618 R15: dffffc0000000000
 __console_flush_and_unlock kernel/printk/printk.c:3269 [inline]
 console_unlock+0xd9/0x210 kernel/printk/printk.c:3309
 vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2432
 _printk+0xc8/0x100 kernel/printk/printk.c:2457
 __netdev_printk+0x376/0x500 net/core/dev.c:12304
 netdev_info+0xe5/0x120 net/core/dev.c:12351
 __dev_set_promiscuity+0x170/0x590 net/core/dev.c:9043
 dev_set_promiscuity+0x52/0x150 net/core/dev.c:9081
 nbp_delete_promisc net/bridge/br_if.c:254 [inline]
 del_nbp+0x11f/0xd30 net/bridge/br_if.c:340
 br_dev_delete+0x99/0x1a0 net/bridge/br_if.c:386
 br_net_exit_batch_rtnl+0x116/0x1f0 net/bridge/br.c:376
 cleanup_net+0x557/0xb30 net/core/net_namespace.c:645
 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400
 kthread+0x3af/0x750 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>