======================================
| [   11.508666][  T238] softirqs last disabled at (20889): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.508668][  T238] Preemption disabled at:
| [   11.508669][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.508680][  T238] Tainted: [W]=WARN
[   11.508681][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.508683][  T238] Call Trace:
[   11.508685][  T238]  <TASK>
[   11.508686][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.508692][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.508694][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.508699][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.508703][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.508708][  T238]  __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))
[   11.508710][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.508716][  T238]  ? 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)
[   11.508718][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.508721][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.508724][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.508726][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.508730][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.508733][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.508737][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.508740][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.508745][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.508747][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.508752][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.508756][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.508758][  T238]  ? 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))
[   11.508761][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.508763][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.508767][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.508771][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.508773][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.508778][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.508781][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.508783][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.508785][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.508789][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.508790][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.508794][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.508798][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.508803][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.508808][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.508812][  T238]  ? snapshot_read.cold (user.c:?)
[   11.508818][  T238]  ? 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)
[   11.508821][  T238] 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
[   11.508824][  T238]  do_one_initcall (init/main.c:1357)
[   11.508827][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.508831][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.508834][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.508839][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.508843][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.508847][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.508850][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.508854][  T238]  load_module (kernel/module/main.c:3593)
[   11.508862][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.508865][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.508869][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.508871][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.508875][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.508878][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.508886][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.508889][  T238]  ? 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)
[   11.508892][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.508896][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.508902][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.508904][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.508910][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.508913][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.508916][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.508918][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.508921][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.508923][  T238] RIP: 0033:0x7f9e6e47837d
[   11.508926][  T238] 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
[   11.508928][  T238] RSP: 002b:00007ffdc0111198 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.508931][  T238] RAX: ffffffffffffffda RBX: 0000557bcb5e9810 RCX: 00007f9e6e47837d
[   11.508932][  T238] RDX: 0000000000000000 RSI: 0000557bc5ec2ffd RDI: 0000000000000000
[   11.508933][  T238] RBP: 00007ffdc0111230 R08: 0000000000000000 R09: 0000000000000000
[   11.508934][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557bc5ec2ffd
[   11.508935][  T238] R13: 0000557bcb5e9960 R14: 0000000000040000 R15: 0000000000000000
| [   12.780653][  T283] softirqs last disabled at (14560): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.780656][  T283] Preemption disabled at:
| [   12.780656][  T283] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.780666][  T283] Tainted: [W]=WARN
[   12.780667][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.780669][  T283] Call Trace:
[   12.780670][  T283]  <TASK>
[   12.780674][  T283]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.780680][  T283]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.780682][  T283]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.780687][  T283]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.780691][  T283]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.780697][  T283]  __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))
[   12.780699][  T283]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.780705][  T283]  ? 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)
[   12.780708][  T283]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.780711][  T283]  put_chars (drivers/char/virtio_console.c:1176)
[   12.780714][  T283]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.780719][  T283]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.780722][  T283]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.780725][  T283]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.780727][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780729][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780733][  T283]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.780735][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.780738][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780742][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.780746][  T283]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.780750][  T283]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.780752][  T283]  ? 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))
[   12.780755][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780757][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.780761][  T283]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.780766][  T283]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.780767][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780773][  T283]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.780776][  T283]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.780778][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780780][  T283]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.780784][  T283]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.780785][  T283]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.780789][  T283]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.780793][  T283]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.780795][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.780797][  T283]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.780801][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.780805][  T283]  _printk (kernel/printk/printk.c:2504)
[   12.780809][  T283]  ? snapshot_read.cold (user.c:?)
[   12.780813][  T283]  ? br_multicast_flood (??:?) bridge
[   12.780826][  T283]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.780827][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.780829][  T283]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.780833][  T283] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.780843][  T283] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.780852][  T283] new_nbp (net/bridge/br_if.c:449) bridge
[   12.780862][  T283] br_add_if (net/bridge/br_if.c:592) bridge
[   12.780869][  T283]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.780873][  T283]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.780876][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   12.780880][  T283]  do_set_master (net/core/rtnetlink.c:3071)
[   12.780885][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.780888][  T283]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.780891][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.780893][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.780896][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.780899][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.780902][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.780904][  T283]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.780906][  T283]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.780910][  T283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.780911][  T283]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.780914][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780916][  T283]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.780919][  T283]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.780924][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.780926][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.780929][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780931][  T283]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.780933][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780935][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.780937][  T283]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.780941][  T283]  ? __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)
[   12.780943][  T283]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.780945][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.780948][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.780950][  T283]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.780955][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.780960][  T283]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.780966][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.780968][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780972][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.780974][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.780976][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.780978][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.780982][  T283]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.780984][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.780987][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.780988][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.780993][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.780995][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.780998][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.781000][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.781003][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.781009][  T283]  ? 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))
[   12.781011][  T283]  ? 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))
[   12.781015][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.781019][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.781021][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.781026][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.781030][  T283]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.781034][  T283]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.781039][  T283]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.781041][  T283]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.781043][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.781045][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   12.781053][  T283]  ___sys_sendmsg (net/socket.c:2767)
[   12.781055][  T283]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.781071][  T283]  __sys_sendmsg (net/socket.c:2799)
[   12.781074][  T283]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.781081][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.781085][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.781087][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.781090][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.781092][  T283] RIP: 0033:0x7fd14808954e
[   12.781096][  T283] 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
[   12.781098][  T283] RSP: 002b:00007ffc2a6a9e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.781100][  T283] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd14808954e
[   12.781102][  T283] RDX: 0000000000000000 RSI: 00007ffc2a6a9f00 RDI: 0000000000000005
[   12.781103][  T283] RBP: 00007ffc2a6a9e60 R08: 0000000000000000 R09: 0000000000000000
[   12.781104][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ae7f
[   12.781105][  T283] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2a6aa5c0
| [   14.281601][  T335] softirqs last disabled at (26038): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.281603][  T335] Preemption disabled at:
| [   14.281604][  T335] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.281613][  T335] Tainted: [W]=WARN
[   14.281613][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.281615][  T335] Call Trace:
[   14.281617][  T335]  <TASK>
[   14.281618][  T335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.281624][  T335]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.281626][  T335]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.281631][  T335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.281635][  T335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.281640][  T335]  __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))
[   14.281642][  T335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.281647][  T335]  ? 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)
[   14.281650][  T335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.281653][  T335]  put_chars (drivers/char/virtio_console.c:1176)
[   14.281655][  T335]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.281657][  T335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.281660][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.281664][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.281667][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.281670][  T335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.281675][  T335]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.281677][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281678][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281682][  T335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.281684][  T335]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.281687][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281690][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.281693][  T335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.281697][  T335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.281699][  T335]  ? 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))
[   14.281702][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281704][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.281708][  T335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.281712][  T335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.281714][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281719][  T335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.281721][  T335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.281723][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281726][  T335]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.281729][  T335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.281731][  T335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.281734][  T335]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.281738][  T335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.281741][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.281744][  T335]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.281747][  T335]  _printk (kernel/printk/printk.c:2504)
[   14.281751][  T335]  ? snapshot_read.cold (user.c:?)
[   14.281754][  T335]  ? br_multicast_flood (??:?) bridge
[   14.281767][  T335]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.281769][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.281770][  T335]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.281774][  T335] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.281784][  T335] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.281792][  T335] new_nbp (net/bridge/br_if.c:449) bridge
[   14.281802][  T335] br_add_if (net/bridge/br_if.c:592) bridge
[   14.281809][  T335]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.281813][  T335]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.281816][  T335]  ? __kernel_text_address (kernel/extable.c:79)
[   14.281819][  T335]  do_set_master (net/core/rtnetlink.c:3071)
[   14.281824][  T335]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.281827][  T335]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.281830][  T335]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.281831][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.281833][  T335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.281836][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.281839][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.281840][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.281843][  T335]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.281846][  T335]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.281847][  T335]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.281850][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281852][  T335]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.281855][  T335]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.281859][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.281861][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.281863][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281866][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.281867][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281869][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.281871][  T335]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.281875][  T335]  ? __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)
[   14.281878][  T335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.281880][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.281883][  T335]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.281885][  T335]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.281889][  T335]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.281894][  T335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.281899][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.281901][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281905][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.281907][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.281909][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.281911][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.281914][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.281916][  T335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.281919][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.281921][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281925][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.281927][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.281930][  T335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.281932][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.281935][  T335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.281941][  T335]  ? 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))
[   14.281942][  T335]  ? 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))
[   14.281946][  T335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.281950][  T335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.281952][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.281956][  T335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.281960][  T335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.281964][  T335]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.281969][  T335]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.281971][  T335]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.281973][  T335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.281975][  T335]  ? move_addr_to_kernel (net/socket.c:258)
[   14.281982][  T335]  ___sys_sendmsg (net/socket.c:2767)
[   14.281985][  T335]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.282000][  T335]  __sys_sendmsg (net/socket.c:2799)
[   14.282002][  T335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.282008][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.282012][  T335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.282014][  T335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.282017][  T335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.282020][  T335] RIP: 0033:0x7f337a63c54e
[   14.282023][  T335] 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
[   14.282025][  T335] RSP: 002b:00007ffe784bfb70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.282028][  T335] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f337a63c54e
[   14.282029][  T335] RDX: 0000000000000000 RSI: 00007ffe784bfc20 RDI: 0000000000000005
[   14.282030][  T335] RBP: 00007ffe784bfb80 R08: 0000000000000000 R09: 0000000000000000
[   14.282031][  T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ae80
[   14.282032][  T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe784c02e0
| [   15.532988][  T382] softirqs last disabled at (13216): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.532990][  T382] Preemption disabled at:
| [   15.532991][  T382] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.533000][  T382] Tainted: [W]=WARN
[   15.533001][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.533003][  T382] Call Trace:
[   15.533005][  T382]  <TASK>
[   15.533006][  T382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.533012][  T382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.533014][  T382]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.533019][  T382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.533023][  T382]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.533028][  T382]  __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))
[   15.533030][  T382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.533036][  T382]  ? 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)
[   15.533039][  T382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.533042][  T382]  put_chars (drivers/char/virtio_console.c:1176)
[   15.533044][  T382]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.533045][  T382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.533048][  T382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.533053][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.533055][  T382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.533058][  T382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.533061][  T382]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.533063][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533065][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533068][  T382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.533070][  T382]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.533074][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533076][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.533080][  T382]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.533084][  T382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.533085][  T382]  ? 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))
[   15.533088][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533091][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.533095][  T382]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.533099][  T382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.533100][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533105][  T382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.533108][  T382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.533110][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533112][  T382]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.533116][  T382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.533117][  T382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.533121][  T382]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.533125][  T382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.533127][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.533130][  T382]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.533133][  T382]  _printk (kernel/printk/printk.c:2504)
[   15.533137][  T382]  ? snapshot_read.cold (user.c:?)
[   15.533141][  T382]  ? br_multicast_flood (??:?) bridge
[   15.533154][  T382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.533155][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.533156][  T382]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.533160][  T382] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.533170][  T382] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.533179][  T382] new_nbp (net/bridge/br_if.c:449) bridge
[   15.533188][  T382] br_add_if (net/bridge/br_if.c:592) bridge
[   15.533195][  T382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.533199][  T382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.533202][  T382]  ? __kernel_text_address (kernel/extable.c:79)
[   15.533205][  T382]  do_set_master (net/core/rtnetlink.c:3071)
[   15.533210][  T382]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.533213][  T382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.533216][  T382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.533217][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.533219][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.533222][  T382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.533225][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.533227][  T382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.533229][  T382]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.533232][  T382]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.533233][  T382]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.533236][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533238][  T382]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.533241][  T382]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.533245][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.533252][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.533255][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533257][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.533259][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533260][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533263][  T382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.533266][  T382]  ? __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)
[   15.533269][  T382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.533271][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.533275][  T382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.533276][  T382]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.533281][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.533286][  T382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.533291][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.533293][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533297][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.533299][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.533301][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.533302][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.533306][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.533308][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.533311][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.533312][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533316][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.533318][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.533321][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.533323][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.533326][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.533332][  T382]  ? 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))
[   15.533333][  T382]  ? 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))
[   15.533337][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.533341][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.533344][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.533348][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.533351][  T382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.533355][  T382]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.533360][  T382]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.533362][  T382]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.533364][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.533366][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   15.533373][  T382]  ___sys_sendmsg (net/socket.c:2767)
[   15.533376][  T382]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.533391][  T382]  __sys_sendmsg (net/socket.c:2799)
[   15.533393][  T382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.533399][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.533403][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.533405][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.533408][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.533411][  T382] RIP: 0033:0x7f46dd52b54e
[   15.533414][  T382] 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
[   15.533416][  T382] RSP: 002b:00007ffe9ec5c910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.533419][  T382] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f46dd52b54e
[   15.533420][  T382] RDX: 0000000000000000 RSI: 00007ffe9ec5c9c0 RDI: 0000000000000005
[   15.533421][  T382] RBP: 00007ffe9ec5c920 R08: 0000000000000000 R09: 0000000000000000
[   15.533422][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ae81
[   15.533423][  T382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9ec5d080
| [   25.400434][   T69] softirqs last disabled at (48378): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.400438][   T69] Preemption disabled at:
| [   25.400439][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.400449][   T69] Tainted: [W]=WARN
[   25.400450][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.400451][   T69] Workqueue: netns cleanup_net
[   25.400455][   T69] Call Trace:
[   25.400456][   T69]  <TASK>
[   25.400458][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.400464][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.400466][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.400470][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.400475][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.400482][   T69]  __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))
[   25.400485][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.400490][   T69]  ? 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)
[   25.400493][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.400496][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   25.400499][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.400503][   T69]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.400507][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.400510][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.400511][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.400516][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.400517][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.400521][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.400525][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.400529][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.400533][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.400535][   T69]  ? 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))
[   25.400538][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.400540][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.400544][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.400549][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.400551][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.400556][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.400559][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.400561][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.400563][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.400567][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.400568][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.400572][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.400576][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.400578][   T69]  ? process_one_work (kernel/workqueue.c:3387)
[   25.400580][   T69]  ? kthread (kernel/kthread.c:436)
[   25.400582][   T69]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.400584][   T69]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.400589][   T69]  _printk (kernel/printk/printk.c:2504)
[   25.400593][   T69]  ? snapshot_read.cold (user.c:?)
[   25.400597][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.400601][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.400605][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.400607][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   25.400611][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.400614][   T69]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.400616][   T69]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.400618][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.400620][   T69]  ? 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)
[   25.400624][   T69]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.400628][   T69]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.400632][   T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.400646][   T69] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.400655][   T69] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.400663][   T69]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.400667][   T69]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.400671][   T69]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.400673][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.400676][   T69]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.400681][   T69]  cleanup_net (net/core/net_namespace.c:706)
[   25.400684][   T69]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.400688][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.400690][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.400694][   T69]  process_one_work (kernel/workqueue.c:3387)
[   25.400701][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.400704][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.400711][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.400715][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.400718][   T69]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.400720][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.400723][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.400725][   T69]  kthread (kernel/kthread.c:436)
[   25.400727][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.400729][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.400732][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.400735][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.400738][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.400741][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars