======================================
| [   20.967404][  T554] softirqs last disabled at (41143): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.967406][  T554] Preemption disabled at:
| [   20.967407][  T554] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.967416][  T554] Tainted: [W]=WARN
[   20.967417][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.967419][  T554] Call Trace:
[   20.967420][  T554]  <TASK>
[   20.967422][  T554]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.967427][  T554]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.967428][  T554]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.967433][  T554]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.967436][  T554]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.967441][  T554]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.967443][  T554]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.967450][  T554]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.967453][  T554]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.967456][  T554]  put_chars (drivers/char/virtio_console.c:1176)
[   20.967459][  T554]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.967462][  T554]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.967467][  T554]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.967474][  T554]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.967477][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.967480][  T554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.967484][  T554]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.967488][  T554]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.967489][  T554]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.967491][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.967493][  T554]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.967497][  T554]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.967501][  T554]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.967502][  T554]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.967507][  T554]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.967510][  T554]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.967511][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.967513][  T554]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.967517][  T554]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.967518][  T554]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.967521][  T554]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.967530][  T554]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.967535][  T554]  ? ipip_fini (net/ipv4/ipip.c:441 (discriminator 1)) ipip
[   20.967538][  T554]  _printk (kernel/printk/printk.c:2504)
[   20.967542][  T554]  ? snapshot_read.cold (user.c:?)
[   20.967548][  T554]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   20.967552][  T554] ipip_init (net/ipv4/ipip.c:438) ipip
[   20.967554][  T554]  do_one_initcall (init/main.c:1357)
[   20.967557][  T554]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.967562][  T554]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.967564][  T554]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.967569][  T554]  do_init_module (kernel/module/main.c:3117)
[   20.967572][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.967577][  T554]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.967580][  T554]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.967584][  T554]  load_module (kernel/module/main.c:3593)
[   20.967590][  T554]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.967594][  T554]  ? __ia32_sys_fsconfig (??:?)
[   20.967596][  T554]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   20.967601][  T554]  ? backing_file_read_iter (fs/backing-file.c:211)
[   20.967604][  T554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.967608][  T554]  init_module_from_file (kernel/module/main.c:3790)
[   20.967610][  T554]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   20.967618][  T554]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.967621][  T554]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.967625][  T554]  idempotent_init_module (kernel/module/main.c:3802)
[   20.967627][  T554]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.967633][  T554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.967635][  T554]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.967640][  T554]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.967642][  T554]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.967646][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.967648][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.967651][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.967654][  T554] RIP: 0033:0x7fb3fff3637d
[   20.967657][  T554] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 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 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.967659][  T554] RSP: 002b:00007fff2170abc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.967661][  T554] RAX: ffffffffffffffda RBX: 000055ad91d68810 RCX: 00007fb3fff3637d
[   20.967662][  T554] RDX: 0000000000000000 RSI: 000055ad5a022ffd RDI: 0000000000000002
[   20.967663][  T554] RBP: 00007fff2170ac60 R08: 0000000000000000 R09: 0000000000000000
[   20.967664][  T554] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ad5a022ffd
[   20.967665][  T554] R13: 000055ad91d689b0 R14: 0000000000040000 R15: 0000000000000000
| [   23.832186][  T659] softirqs last disabled at (26661): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   23.832189][  T659] Preemption disabled at:
| [   23.832189][  T659] vprintk_emit (kernel/printk/printk.c:2471)
| [   23.832198][  T659] Tainted: [W]=WARN
[   23.832199][  T659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.832201][  T659] Call Trace:
[   23.832202][  T659]  <TASK>
[   23.832204][  T659]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.832209][  T659]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   23.832210][  T659]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.832215][  T659]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.832218][  T659]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.832223][  T659]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.832225][  T659]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.832232][  T659]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.832235][  T659]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.832238][  T659]  put_chars (drivers/char/virtio_console.c:1176)
[   23.832241][  T659]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.832244][  T659]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.832249][  T659]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.832256][  T659]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.832258][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.832262][  T659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.832266][  T659]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.832269][  T659]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.832271][  T659]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   23.832273][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.832275][  T659]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.832279][  T659]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.832283][  T659]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.832284][  T659]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.832290][  T659]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.832292][  T659]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.832293][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.832295][  T659]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.832299][  T659]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.832300][  T659]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.832303][  T659]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.832307][  T659]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.832312][  T659]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   23.832317][  T659]  _printk (kernel/printk/printk.c:2504)
[   23.832320][  T659]  ? snapshot_read.cold (user.c:?)
[   23.832326][  T659]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   23.832330][  T659] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   23.832333][  T659]  do_one_initcall (init/main.c:1357)
[   23.832336][  T659]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   23.832341][  T659]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   23.832343][  T659]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   23.832348][  T659]  do_init_module (kernel/module/main.c:3117)
[   23.832351][  T659]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   23.832356][  T659]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   23.832358][  T659]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   23.832363][  T659]  load_module (kernel/module/main.c:3593)
[   23.832370][  T659]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   23.832373][  T659]  ? __ia32_sys_fsconfig (??:?)
[   23.832376][  T659]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   23.832380][  T659]  ? backing_file_read_iter (fs/backing-file.c:211)
[   23.832383][  T659]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.832387][  T659]  init_module_from_file (kernel/module/main.c:3790)
[   23.832389][  T659]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   23.832397][  T659]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   23.832401][  T659]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.832404][  T659]  idempotent_init_module (kernel/module/main.c:3802)
[   23.832407][  T659]  ? init_module_from_file (kernel/module/main.c:3791)
[   23.832413][  T659]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.832414][  T659]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   23.832419][  T659]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   23.832421][  T659]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.832425][  T659]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   23.832427][  T659]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   23.832430][  T659]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.832432][  T659] RIP: 0033:0x7fae4a9ee37d
[   23.832435][  T659] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 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 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   23.832437][  T659] RSP: 002b:00007fff77fdf8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   23.832440][  T659] RAX: ffffffffffffffda RBX: 0000559208684810 RCX: 00007fae4a9ee37d
[   23.832441][  T659] RDX: 0000000000000000 RSI: 00005591d149cffd RDI: 0000000000000000
[   23.832442][  T659] RBP: 00007fff77fdf950 R08: 0000000000000000 R09: 0000000000000000
[   23.832442][  T659] R10: 0000000000000000 R11: 0000000000000246 R12: 00005591d149cffd
[   23.832443][  T659] R13: 0000559208684960 R14: 0000000000040000 R15: 0000000000000000
| [   26.822823][  T764] softirqs last disabled at (69269): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.822825][  T764] Preemption disabled at:
| [   26.822826][  T764] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.822834][  T764] Tainted: [W]=WARN
[   26.822835][  T764] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.822837][  T764] Call Trace:
[   26.822838][  T764]  <TASK>
[   26.822840][  T764]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.822845][  T764]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.822846][  T764]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.822851][  T764]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.822854][  T764]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.822859][  T764]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.822861][  T764]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.822867][  T764]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.822870][  T764]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.822874][  T764]  put_chars (drivers/char/virtio_console.c:1176)
[   26.822876][  T764]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.822879][  T764]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.822885][  T764]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.822891][  T764]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.822894][  T764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.822897][  T764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.822901][  T764]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.822904][  T764]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.822906][  T764]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   26.822908][  T764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.822910][  T764]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.822914][  T764]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.822917][  T764]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.822919][  T764]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.822924][  T764]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.822926][  T764]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.822927][  T764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.822929][  T764]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.822933][  T764]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.822935][  T764]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.822937][  T764]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.822940][  T764]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.822942][  T764]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.822945][  T764]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.822948][  T764]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   26.822951][  T764]  _printk (kernel/printk/printk.c:2504)
[   26.822954][  T764]  ? snapshot_read.cold (user.c:?)
[   26.822956][  T764]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   26.822961][  T764]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   26.822965][  T764]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   26.822968][  T764] br_init (bridge.mod.c:?) bridge
[   26.822982][  T764]  do_one_initcall (init/main.c:1357)
[   26.822985][  T764]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   26.822990][  T764]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   26.822992][  T764]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   26.822997][  T764]  do_init_module (kernel/module/main.c:3117)
[   26.823000][  T764]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.823003][  T764]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   26.823006][  T764]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   26.823010][  T764]  load_module (kernel/module/main.c:3593)
[   26.823017][  T764]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   26.823021][  T764]  ? backing_file_read_iter (fs/backing-file.c:211)
[   26.823025][  T764]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.823028][  T764]  init_module_from_file (kernel/module/main.c:3790)
[   26.823031][  T764]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   26.823038][  T764]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.823042][  T764]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.823045][  T764]  idempotent_init_module (kernel/module/main.c:3802)
[   26.823048][  T764]  ? init_module_from_file (kernel/module/main.c:3791)
[   26.823054][  T764]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.823055][  T764]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   26.823060][  T764]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   26.823062][  T764]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.823066][  T764]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.823067][  T764]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.823070][  T764]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.823073][  T764] RIP: 0033:0x7f3c1c31437d
[   26.823076][  T764] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 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 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   26.823078][  T764] RSP: 002b:00007ffde81e93c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   26.823080][  T764] RAX: ffffffffffffffda RBX: 000055e644e3e810 RCX: 00007f3c1c31437d
[   26.823082][  T764] RDX: 0000000000000000 RSI: 000055e63b7c8ffd RDI: 0000000000000002
[   26.823082][  T764] RBP: 00007ffde81e9460 R08: 0000000000000000 R09: 0000000000000000
[   26.823083][  T764] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e63b7c8ffd
[   26.823084][  T764] R13: 000055e644e3e9c0 R14: 0000000000040000 R15: 0000000000000000
| [   30.047497][  T887] softirqs last disabled at (21978): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   30.047500][  T887] Preemption disabled at:
| [   30.047500][  T887] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.047509][  T887] Tainted: [W]=WARN
[   30.047510][  T887] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.047512][  T887] Call Trace:
[   30.047513][  T887]  <TASK>
[   30.047515][  T887]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.047520][  T887]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.047522][  T887]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.047526][  T887]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.047530][  T887]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.047535][  T887]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   30.047537][  T887]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.047543][  T887]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.047546][  T887]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.047550][  T887]  put_chars (drivers/char/virtio_console.c:1176)
[   30.047552][  T887]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   30.047559][  T887]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.047563][  T887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.047566][  T887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.047569][  T887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.047573][  T887]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.047577][  T887]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.047579][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047581][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047585][  T887]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.047587][  T887]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   30.047590][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047592][  T887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.047597][  T887]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.047600][  T887]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.047601][  T887]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   30.047604][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047606][  T887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.047610][  T887]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.047614][  T887]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.047615][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047621][  T887]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.047623][  T887]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.047624][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047626][  T887]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.047630][  T887]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.047632][  T887]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.047635][  T887]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.047638][  T887]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.047640][  T887]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.047641][  T887]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.047644][  T887]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.047645][  T887]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.047647][  T887]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.047650][  T887]  ? ___sys_sendmsg (net/socket.c:2767)
[   30.047651][  T887]  ? __sys_sendmsg (net/socket.c:2799)
[   30.047655][  T887]  _printk (kernel/printk/printk.c:2504)
[   30.047659][  T887]  ? snapshot_read.cold (user.c:?)
[   30.047663][  T887]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.047667][  T887]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.047670][  T887]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.047673][  T887]  ? netdev_notice (net/core/dev.c:13194)
[   30.047677][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047679][  T887]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   30.047682][  T887]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   30.047684][  T887]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.047687][  T887]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   30.047692][  T887]  dev_set_allmulti (net/core/dev_api.c:315)
[   30.047696][  T887] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   30.047713][  T887] br_del_if (net/bridge/br_if.c:732) bridge
[   30.047721][  T887]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.047725][  T887]  do_set_master (net/core/rtnetlink.c:3055)
[   30.047729][  T887]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.047733][  T887]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.047736][  T887]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.047737][  T887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.047740][  T887]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.047743][  T887]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.047746][  T887]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.047748][  T887]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.047750][  T887]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.047753][  T887]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.047757][  T887]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.047760][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047763][  T887]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   30.047764][  T887]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   30.047768][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.047770][  T887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.047773][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047775][  T887]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.047776][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047778][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047779][  T887]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.047782][  T887]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   30.047785][  T887]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.047787][  T887]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.047791][  T887]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.047793][  T887]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.047799][  T887]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.047804][  T887]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.047809][  T887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.047811][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047816][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.047818][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.047820][  T887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.047822][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.047826][  T887]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.047828][  T887]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.047831][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.047832][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.047837][  T887]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.047839][  T887]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.047843][  T887]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.047844][  T887]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.047847][  T887]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.047853][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.047855][  T887]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.047859][  T887]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.047863][  T887]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.047865][  T887]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   30.047869][  T887]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.047873][  T887]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.047875][  T887]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.047878][  T887]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.047881][  T887]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.047885][  T887]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.047888][  T887]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.047890][  T887]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.047891][  T887]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   30.047899][  T887]  ___sys_sendmsg (net/socket.c:2767)
[   30.047902][  T887]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.047918][  T887]  __sys_sendmsg (net/socket.c:2799)
[   30.047920][  T887]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.047927][  T887]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.047930][  T887]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.047932][  T887]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.047936][  T887]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.047938][  T887] RIP: 0033:0x7f6e18f0554e
[   30.047941][  T887] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.047943][  T887] RSP: 002b:00007ffd392a55b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.047945][  T887] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e18f0554e
[   30.047947][  T887] RDX: 0000000000000000 RSI: 00007ffd392a5660 RDI: 0000000000000005
[   30.047948][  T887] RBP: 00007ffd392a55c0 R08: 0000000000000000 R09: 0000000000000000
[   30.047948][  T887] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9137d4
[   30.047949][  T887] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd392a5d30
| [   31.535318][  T555] softirqs last disabled at (20098): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   31.535328][  T555] Preemption disabled at:
| [   31.535329][  T555] 0x0
| [   31.535340][  T555] Tainted: [W]=WARN
[   31.535341][  T555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.535343][  T555] Workqueue: events netdev_work_proc
[   31.535346][  T555] Call Trace:
[   31.535348][  T555]  <TASK>
[   31.535350][  T555]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.535355][  T555]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.535360][  T555]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.535363][  T555]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.535369][  T555]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   31.535371][  T555]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.535377][  T555]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.535381][  T555]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.535384][  T555]  put_chars (drivers/char/virtio_console.c:1176)
[   31.535387][  T555]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.535394][  T555]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.535402][  T555]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.535405][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.535410][  T555]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.535413][  T555]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.535415][  T555]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   31.535418][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.535421][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.535426][  T555]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.535430][  T555]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.535431][  T555]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.535437][  T555]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.535439][  T555]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.535441][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.535443][  T555]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.535447][  T555]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.535449][  T555]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.535452][  T555]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.535456][  T555]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.535458][  T555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.535464][  T555]  _printk (kernel/printk/printk.c:2504)
[   31.535467][  T555]  ? snapshot_read.cold (user.c:?)
[   31.535470][  T555]  ? kthread_stop_put (./arch/x86/include/asm/atomic.h:93 (discriminator 4) ./include/linux/atomic/atomic-arch-fallback.h:949 (discriminator 4) ./include/linux/atomic/atomic-instrumented.h:401 (discriminator 4) ./include/linux/refcount.h:389 (discriminator 4) ./include/linux/refcount.h:432 (discriminator 4) ./include/linux/refcount.h:450 (discriminator 4) ./include/linux/sched/task.h:131 (discriminator 4) kernel/kthread.c:782 (discriminator 4))
[   31.535478][  T555] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   31.535491][  T555] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   31.535502][  T555] br_device_event (net/bridge/br.c:111) bridge
[   31.535512][  T555]  ? 0xffffffffc0c00000
[   31.535520][  T555]  notifier_call_chain (kernel/notifier.c:85)
[   31.535526][  T555]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.535532][  T555]  ? netif_change_name (net/core/dev.c:1517)
[   31.535536][  T555]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.535537][  T555]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   31.535542][  T555]  ? process_one_work (kernel/workqueue.c:3387)
[   31.535543][  T555]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.535544][  T555]  ? kthread (kernel/kthread.c:436)
[   31.535546][  T555]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   31.535550][  T555]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   31.535554][  T555]  netif_change_flags (net/core/dev.c:9882)
[   31.535558][  T555] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   31.535569][  T555]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   31.535572][  T555]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   31.535574][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.535575][  T555]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.535578][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.535581][  T555]  process_one_work (kernel/workqueue.c:3387)
[   31.535588][  T555]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   31.535590][  T555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.535598][  T555]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   31.535602][  T555]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.535604][  T555]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   31.535607][  T555]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.535609][  T555]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   31.535610][  T555]  kthread (kernel/kthread.c:436)
[   31.535612][  T555]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.535615][  T555]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.535619][  T555]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.535622][  T555]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   31.535625][  T555]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.535628][  T555]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   31.535631][  T555]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.326969][ T1600] softirqs last disabled at (15957): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   61.326971][ T1600] Preemption disabled at:
| [   61.326972][ T1600] vprintk_emit (kernel/printk/printk.c:2471)
| [   61.326981][ T1600] Tainted: [W]=WARN
[   61.326982][ T1600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.326984][ T1600] Call Trace:
[   61.326985][ T1600]  <TASK>
[   61.326987][ T1600]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   61.326992][ T1600]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   61.326993][ T1600]  __might_resched.cold (kernel/sched/core.c:9234)
[   61.326998][ T1600]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   61.327001][ T1600]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   61.327007][ T1600]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   61.327009][ T1600]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.327015][ T1600]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   61.327018][ T1600]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   61.327021][ T1600]  put_chars (drivers/char/virtio_console.c:1176)
[   61.327024][ T1600]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   61.327027][ T1600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.327031][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.327034][ T1600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.327038][ T1600]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   61.327041][ T1600]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   61.327043][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327045][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327050][ T1600]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   61.327051][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.327055][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.327060][ T1600]  console_emit_next_record (kernel/printk/printk.c:3183)
[   61.327063][ T1600]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   61.327064][ T1600]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   61.327067][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327069][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.327073][ T1600]  console_flush_one_record (kernel/printk/printk.c:3268)
[   61.327077][ T1600]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   61.327078][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327084][ T1600]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   61.327086][ T1600]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   61.327087][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327089][ T1600]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   61.327093][ T1600]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   61.327095][ T1600]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   61.327098][ T1600]  vprintk_emit (kernel/printk/printk.c:2479)
[   61.327103][ T1600]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   61.327104][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.327107][ T1600]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   61.327111][ T1600]  _printk (kernel/printk/printk.c:2504)
[   61.327115][ T1600]  ? snapshot_read.cold (user.c:?)
[   61.327119][ T1600]  ? br_multicast_flood (??:?) bridge
[   61.327132][ T1600]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.327133][ T1600]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.327135][ T1600]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.327139][ T1600] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   61.327153][ T1600] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   61.327162][ T1600] new_nbp (net/bridge/br_if.c:449) bridge
[   61.327172][ T1600] br_add_if (net/bridge/br_if.c:592) bridge
[   61.327180][ T1600]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   61.327184][ T1600]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   61.327190][ T1600]  do_set_master (net/core/rtnetlink.c:3071)
[   61.327195][ T1600]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   61.327198][ T1600]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   61.327201][ T1600]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   61.327203][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   61.327205][ T1600]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   61.327208][ T1600]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   61.327211][ T1600]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   61.327212][ T1600]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   61.327215][ T1600]  ? kasan_save_stack (mm/kasan/common.c:58)
[   61.327218][ T1600]  ? kasan_save_stack (mm/kasan/common.c:57)
[   61.327220][ T1600]  ? kasan_save_track (mm/kasan/common.c:78)
[   61.327223][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327225][ T1600]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   61.327228][ T1600]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   61.327233][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.327235][ T1600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.327238][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327239][ T1600]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   61.327241][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327242][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327244][ T1600]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   61.327247][ T1600]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   61.327250][ T1600]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   61.327253][ T1600]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   61.327256][ T1600]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   61.327258][ T1600]  ? nla_get_range_signed (lib/nlattr.c:270)
[   61.327263][ T1600]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   61.327269][ T1600]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   61.327274][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.327276][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327280][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.327282][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.327285][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.327286][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.327290][ T1600]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   61.327292][ T1600]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   61.327295][ T1600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.327296][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   61.327301][ T1600]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   61.327303][ T1600]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   61.327306][ T1600]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   61.327308][ T1600]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   61.327311][ T1600]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   61.327317][ T1600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   61.327319][ T1600]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   61.327323][ T1600]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   61.327326][ T1600]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   61.327329][ T1600]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   61.327333][ T1600]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   61.327337][ T1600]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   61.327338][ T1600]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   61.327341][ T1600]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.327345][ T1600]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   61.327349][ T1600]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   61.327351][ T1600]  ? copy_msghdr_from_user (net/socket.c:2650)
[   61.327353][ T1600]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   61.327355][ T1600]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   61.327362][ T1600]  ___sys_sendmsg (net/socket.c:2767)
[   61.327365][ T1600]  ? copy_msghdr_from_user (net/socket.c:2619)
[   61.327380][ T1600]  __sys_sendmsg (net/socket.c:2799)
[   61.327383][ T1600]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   61.327389][ T1600]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   61.327392][ T1600]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   61.327395][ T1600]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   61.327398][ T1600]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.327400][ T1600] RIP: 0033:0x7fba59c0154e
[   61.327404][ T1600] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   61.327405][ T1600] RSP: 002b:00007fff89fd2c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   61.327408][ T1600] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fba59c0154e
[   61.327410][ T1600] RDX: 0000000000000000 RSI: 00007fff89fd2d30 RDI: 0000000000000005
[   61.327410][ T1600] RBP: 00007fff89fd2c90 R08: 0000000000000000 R09: 0000000000000000
[   61.327411][ T1600] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9137f3
[   61.327412][ T1600] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff89fd3400
| [   68.103216][ T1718] softirqs last disabled at (17190): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   68.103218][ T1718] Preemption disabled at:
| [   68.103219][ T1718] vprintk_emit (kernel/printk/printk.c:2471)
| [   68.103228][ T1718] Tainted: [W]=WARN
[   68.103229][ T1718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.103231][ T1718] Call Trace:
[   68.103233][ T1718]  <TASK>
[   68.103234][ T1718]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.103239][ T1718]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   68.103241][ T1718]  __might_resched.cold (kernel/sched/core.c:9234)
[   68.103245][ T1718]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   68.103248][ T1718]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   68.103253][ T1718]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   68.103256][ T1718]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.103262][ T1718]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.103265][ T1718]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   68.103268][ T1718]  put_chars (drivers/char/virtio_console.c:1176)
[   68.103270][ T1718]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   68.103272][ T1718]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   68.103276][ T1718]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.103279][ T1718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.103282][ T1718]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.103286][ T1718]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   68.103290][ T1718]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   68.103292][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103294][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103298][ T1718]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   68.103300][ T1718]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   68.103303][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103305][ T1718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.103309][ T1718]  console_emit_next_record (kernel/printk/printk.c:3183)
[   68.103313][ T1718]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.103314][ T1718]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   68.103316][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103318][ T1718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.103323][ T1718]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.103326][ T1718]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.103327][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103333][ T1718]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.103335][ T1718]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.103337][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103339][ T1718]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.103342][ T1718]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.103344][ T1718]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.103347][ T1718]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.103350][ T1718]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.103352][ T1718]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.103353][ T1718]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.103356][ T1718]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.103358][ T1718]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.103359][ T1718]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.103362][ T1718]  ? ___sys_sendmsg (net/socket.c:2767)
[   68.103363][ T1718]  ? __sys_sendmsg (net/socket.c:2799)
[   68.103367][ T1718]  _printk (kernel/printk/printk.c:2504)
[   68.103370][ T1718]  ? snapshot_read.cold (user.c:?)
[   68.103375][ T1718]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   68.103378][ T1718]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   68.103382][ T1718]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   68.103384][ T1718]  ? netdev_notice (net/core/dev.c:13194)
[   68.103388][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103390][ T1718]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   68.103393][ T1718]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   68.103395][ T1718]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.103398][ T1718]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   68.103403][ T1718]  dev_set_allmulti (net/core/dev_api.c:315)
[   68.103407][ T1718] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   68.103424][ T1718] br_del_if (net/bridge/br_if.c:732) bridge
[   68.103431][ T1718]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.103435][ T1718]  do_set_master (net/core/rtnetlink.c:3055)
[   68.103440][ T1718]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   68.103443][ T1718]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   68.103447][ T1718]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   68.103448][ T1718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.103450][ T1718]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.103454][ T1718]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   68.103456][ T1718]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.103458][ T1718]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   68.103461][ T1718]  ? kasan_save_stack (mm/kasan/common.c:58)
[   68.103464][ T1718]  ? kasan_save_stack (mm/kasan/common.c:57)
[   68.103465][ T1718]  ? kasan_save_track (mm/kasan/common.c:78)
[   68.103468][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103471][ T1718]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   68.103472][ T1718]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   68.103476][ T1718]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.103478][ T1718]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.103481][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103482][ T1718]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.103484][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103485][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103487][ T1718]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   68.103489][ T1718]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   68.103493][ T1718]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   68.103495][ T1718]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   68.103498][ T1718]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   68.103500][ T1718]  ? nla_get_range_signed (lib/nlattr.c:270)
[   68.103506][ T1718]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   68.103511][ T1718]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   68.103516][ T1718]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.103518][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103523][ T1718]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.103525][ T1718]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.103527][ T1718]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.103529][ T1718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.103533][ T1718]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   68.103535][ T1718]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   68.103538][ T1718]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.103539][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.103543][ T1718]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.103545][ T1718]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.103549][ T1718]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   68.103551][ T1718]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.103553][ T1718]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.103559][ T1718]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.103561][ T1718]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.103565][ T1718]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.103568][ T1718]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.103571][ T1718]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   68.103575][ T1718]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   68.103579][ T1718]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   68.103580][ T1718]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.103583][ T1718]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.103587][ T1718]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   68.103591][ T1718]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   68.103593][ T1718]  ? copy_msghdr_from_user (net/socket.c:2650)
[   68.103595][ T1718]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   68.103597][ T1718]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   68.103604][ T1718]  ___sys_sendmsg (net/socket.c:2767)
[   68.103607][ T1718]  ? copy_msghdr_from_user (net/socket.c:2619)
[   68.103623][ T1718]  __sys_sendmsg (net/socket.c:2799)
[   68.103625][ T1718]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   68.103632][ T1718]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.103635][ T1718]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   68.103637][ T1718]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   68.103640][ T1718]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.103643][ T1718] RIP: 0033:0x7f216891f54e
[   68.103647][ T1718] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.103649][ T1718] RSP: 002b:00007ffedfbac0f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.103651][ T1718] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f216891f54e
[   68.103653][ T1718] RDX: 0000000000000000 RSI: 00007ffedfbac1a0 RDI: 0000000000000005
[   68.103653][ T1718] RBP: 00007ffedfbac100 R08: 0000000000000000 R09: 0000000000000000
[   68.103654][ T1718] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9137fa
[   68.103655][ T1718] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedfbac870
| [   68.404473][    C0]
| [   68.404473][    C0]
| [   68.404473][    C0] stack backtrace:
| [   68.404481][    C0] Tainted: [W]=WARN
[   68.404482][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.404484][    C0] Call Trace:
[   68.404486][    C0]  <IRQ>
[   68.404488][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   68.404492][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   68.404495][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   68.404498][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   68.404502][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   68.404505][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   68.404508][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   68.404512][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   68.404514][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   68.404517][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404520][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.404523][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   68.404525][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   68.404527][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   68.404530][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   68.404531][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   68.404534][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404536][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   68.404539][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   68.404542][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   68.404544][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.404548][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   68.404550][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   68.404552][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404554][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   68.404557][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   68.404560][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   68.404563][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   68.404565][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   68.404569][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   68.404572][    C0]  _printk (kernel/printk/printk.c:2504)
[   68.404574][    C0]  ? snapshot_read.cold (user.c:?)
[   68.404577][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   68.404580][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.404584][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   68.404586][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.404589][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.404591][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   68.404594][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   68.404596][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   68.404600][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   68.404603][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.404605][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404608][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   68.404610][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   68.404614][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   68.404616][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   68.404620][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   68.404624][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   68.404626][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   68.404628][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.404632][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404634][    C0]  handle_softirqs (kernel/softirq.c:645)
[   68.404637][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   68.404639][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   68.404643][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   68.404645][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   68.404648][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   68.404651][    C0]  </IRQ>
[   68.404652][    C0]  <TASK>
[   68.404653][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   68.404656][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   68.404658][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   68.404662][    C0] Code: 48 8b 3d d4 41 10 02 e8 1f 00 00 00 48 2b 05 98 72 b2 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 53 45 29 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d d4 41 10 02 	mov    0x21041d4(%rip),%rdi        # 0x21041db
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 98 72 b2 00 	sub    0xb27298(%rip),%rax        # 0xb272ab
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 53 45 29 00 	verw   0x294553(%rip)        # 0x29457b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   68.404664][    C0] RSP: 0018:ffffffffa6007cf8 EFLAGS: 00000296
[   68.404667][    C0] RAX: 00000000003486cb RBX: ffffffffa601c600 RCX: ffffffffa2ef4ce7
[   68.404669][    C0] RDX: ffffffffa601c600 RSI: ffffffffa5e88c54 RDI: ffffffffa5893160
[   68.404670][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   68.404672][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4c00fa2
[   68.404673][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   68.404676][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   68.404679][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   68.404682][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   68.404683][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   68.404691][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   68.404694][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   68.404696][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   68.404700][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   68.404702][    C0]  do_idle (kernel/sched/idle.c:355)
[   68.404705][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   68.404707][    C0]  rest_init (init/main.c:727)
[   68.404710][    C0]  ? __cpuidle_text_end (??:?)
[   68.404713][    C0]  ? rest_init (init/main.c:727)
[   68.404715][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   68.404719][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   68.404722][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   68.404726][    C0]  start_kernel (init/main.c:1185)
[   68.404729][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   68.404731][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   68.404733][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   70.518872][   T67] softirqs last disabled at (60599): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   70.518875][   T67] Preemption disabled at:
| [   70.518876][   T67] 0x0
| [   70.518886][   T67] Tainted: [W]=WARN
[   70.518887][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.518889][   T67] Workqueue: events netdev_work_proc
[   70.518895][   T67] Call Trace:
[   70.518897][   T67]  <TASK>
[   70.518898][   T67]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   70.518903][   T67]  __might_resched.cold (kernel/sched/core.c:9234)
[   70.518907][   T67]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   70.518909][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518913][   T67]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   70.518916][   T67]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.518919][   T67]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.518923][   T67]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   70.518925][   T67]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   70.518927][   T67]  put_chars (drivers/char/virtio_console.c:1176)
[   70.518929][   T67]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   70.518931][   T67]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   70.518934][   T67]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   70.518936][   T67]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   70.518940][   T67]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   70.518941][   T67]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.518943][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.518945][   T67]  console_emit_next_record (kernel/printk/printk.c:3183)
[   70.518947][   T67]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   70.518949][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518950][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518951][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518953][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.518955][   T67]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   70.518956][   T67]  console_flush_one_record (kernel/printk/printk.c:3268)
[   70.518958][   T67]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   70.518960][   T67]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   70.518961][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.518963][   T67]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   70.518964][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518965][   T67]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   70.518967][   T67]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   70.518969][   T67]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   70.518970][   T67]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   70.518973][   T67]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   70.518974][   T67]  vprintk_emit (kernel/printk/printk.c:2479)
[   70.518977][   T67]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   70.518979][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.518980][   T67]  _printk (kernel/printk/printk.c:2504)
[   70.518983][   T67]  ? snapshot_read.cold (user.c:?)
[   70.518985][   T67]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.518988][   T67]  ? __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   70.518991][   T67]  ? netif_change_flags (net/core/dev.c:9882)
[   70.518993][   T67]  ? vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   70.518996][   T67]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:2102)
[   70.518999][   T67]  ? kthread (kernel/kthread.c:436)
[   70.519002][   T67]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   70.519005][   T67] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   70.519017][   T67] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   70.519026][   T67] br_device_event (net/bridge/br.c:111) bridge
[   70.519035][   T67]  ? 0xffffffffc0c00000
[   70.519038][   T67]  notifier_call_chain (kernel/notifier.c:85)
[   70.519040][   T67]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   70.519042][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.519045][   T67]  ? netif_change_name (net/core/dev.c:1517)
[   70.519047][   T67]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.519049][   T67]  ? ref_tracker_alloc (lib/ref_tracker.c:283)
[   70.519052][   T67]  ? process_one_work (kernel/workqueue.c:3387)
[   70.519053][   T67]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   70.519054][   T67]  ? kthread (kernel/kthread.c:436)
[   70.519056][   T67]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   70.519059][   T67]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   70.519061][   T67]  netif_change_flags (net/core/dev.c:9882)
[   70.519063][   T67] vlan_dev_work (net/8021q/vlan_dev.c:1035) 8021q
[   70.519066][   T67]  netdev_work_proc (net/core/netdev_work.c:127 net/core/netdev_work.c:171)
[   70.519068][   T67]  ? netdev_work_sched (net/core/netdev_work.c:82)
[   70.519069][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.519071][   T67]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   70.519072][   T67]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   70.519074][   T67]  process_one_work (kernel/workqueue.c:3387)
[   70.519077][   T67]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   70.519078][   T67]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   70.519080][   T67]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   70.519083][   T67]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   70.519085][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   70.519086][   T67]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   70.519088][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   70.519089][   T67]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   70.519090][   T67]  kthread (kernel/kthread.c:436)
[   70.519092][   T67]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   70.519094][   T67]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   70.519096][   T67]  ret_from_fork (arch/x86/kernel/process.c:158)
[   70.519097][   T67]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   70.519099][   T67]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   70.519102][   T67]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
do_softirq:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable