======================================
| [   10.579282][  T188] softirqs last disabled at (92697): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.579284][  T188] Preemption disabled at:
| [   10.579285][  T188] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.579294][  T188] Tainted: [W]=WARN
[   10.579295][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.579296][  T188] Call Trace:
[   10.579298][  T188]  <TASK>
[   10.579299][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.579304][  T188]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.579306][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.579310][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.579314][  T188]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.579319][  T188]  __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))
[   10.579321][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.579327][  T188]  ? 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)
[   10.579330][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.579334][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.579336][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.579340][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.579345][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.579352][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.579354][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.579358][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.579362][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.579365][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.579366][  T188]  ? 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))
[   10.579369][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.579371][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.579375][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.579378][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.579380][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.579385][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.579388][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.579389][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.579391][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.579395][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.579396][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.579399][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.579403][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.579404][  T188]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.579407][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.579410][  T188]  ? 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
[   10.579414][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.579419][  T188]  ? snapshot_read.cold (user.c:?)
[   10.579422][  T188]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   10.579427][  T188]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   10.579432][  T188]  ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021)
[   10.579435][  T188] br_init (bridge.mod.c:?) bridge
[   10.579450][  T188]  do_one_initcall (init/main.c:1357)
[   10.579454][  T188]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.579459][  T188]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.579461][  T188]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.579466][  T188]  do_init_module (kernel/module/main.c:3117)
[   10.579469][  T188]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.579472][  T188]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.579475][  T188]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.579479][  T188]  load_module (kernel/module/main.c:3593)
[   10.579486][  T188]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.579491][  T188]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.579494][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.579498][  T188]  init_module_from_file (kernel/module/main.c:3790)
[   10.579500][  T188]  ? __ia32_sys_init_module (kernel/module/main.c:3647)
[   10.579508][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.579512][  T188]  ? 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)
[   10.579515][  T188]  idempotent_init_module (kernel/module/main.c:3802)
[   10.579518][  T188]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.579524][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.579527][  T188]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.579535][  T188]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.579537][  T188]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.579540][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.579542][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.579545][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.579547][  T188] RIP: 0033:0x7f537e65937d
[   10.579551][  T188] 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
[   10.579552][  T188] RSP: 002b:00007ffd75dd1ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.579555][  T188] RAX: ffffffffffffffda RBX: 000055e620285b90 RCX: 00007f537e65937d
[   10.579556][  T188] RDX: 0000000000000000 RSI: 000055e604a7bffd RDI: 0000000000000007
[   10.579557][  T188] RBP: 00007ffd75dd1d40 R08: 0000000000000000 R09: 0000000000000000
[   10.579558][  T188] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e604a7bffd
[   10.579559][  T188] R13: 000055e620285b50 R14: 0000000000040000 R15: 0000000000000000
| [   11.859666][  T229] softirqs last disabled at (18526): br_stp_enable_bridge (./include/linux/spinlock.h:353 net/bridge/br_stp_if.c:53) bridge
| [   11.859673][  T229] Preemption disabled at:
| [   11.859674][  T229] 0x0
| [   11.859684][  T229] Tainted: [W]=WARN
[   11.859685][  T229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.859686][  T229] Call Trace:
[   11.859688][  T229]  <TASK>
[   11.859689][  T229]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.859695][  T229]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.859699][  T229]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.859702][  T229]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.859708][  T229]  __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))
[   11.859710][  T229]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.859716][  T229]  ? 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)
[   11.859719][  T229]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.859722][  T229]  put_chars (drivers/char/virtio_console.c:1176)
[   11.859725][  T229]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.859729][  T229]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.859734][  T229]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.859737][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859738][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859743][  T229]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.859745][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.859753][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859757][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859761][  T229]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.859764][  T229]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.859765][  T229]  ? 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))
[   11.859768][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859770][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859774][  T229]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.859778][  T229]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.859779][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859785][  T229]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.859787][  T229]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.859788][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859790][  T229]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.859794][  T229]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.859796][  T229]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.859799][  T229]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.859802][  T229]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.859808][  T229]  _printk (kernel/printk/printk.c:2504)
[   11.859811][  T229]  ? snapshot_read.cold (user.c:?)
[   11.859814][  T229]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.859816][  T229]  ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158)
[   11.859819][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.859822][  T229]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.859828][  T229] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.859838][  T229] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.859845][  T229] br_stp_enable_bridge (net/bridge/br_stp_if.c:93 net/bridge/br_stp_if.c:62) bridge
[   11.859854][  T229] br_dev_open (net/bridge/br_device.c:170) bridge
[   11.859863][  T229]  __dev_open (net/core/dev.c:1724)
[   11.859866][  T229]  ? netif_state_change (./include/net/netdev_lock.h:33)
[   11.859868][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.859870][  T229]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.859875][  T229]  __dev_change_flags (net/core/dev.c:9812)
[   11.859878][  T229]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.859880][  T229]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.859883][  T229]  ? __kernel_text_address (kernel/extable.c:79)
[   11.859884][  T229]  ? write_profile (profile.c:?)
[   11.859889][  T229]  netif_change_flags (net/core/dev.c:9877)
[   11.859893][  T229]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.859896][  T229]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.859899][  T229]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.859900][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.859903][  T229]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.859906][  T229]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.859909][  T229]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.859911][  T229]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.859914][  T229]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.859917][  T229]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.859918][  T229]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.859921][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859923][  T229]  ? netlink_update_listeners (net/netlink/af_netlink.c:532)
[   11.859926][  T229]  ? ___sys_sendmsg (net/socket.c:2744 net/socket.c:2763)
[   11.859931][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.859933][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.859936][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859938][  T229]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.859939][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859941][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.859942][  T229]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.859945][  T229]  ? __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)
[   11.859947][  T229]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.859950][  T229]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.859953][  T229]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.859958][  T229]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.859964][  T229]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.859969][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.859971][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859975][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.859977][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.859980][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.859981][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.859985][  T229]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.859987][  T229]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.859990][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.859991][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.859996][  T229]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.859998][  T229]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.860002][  T229]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.860004][  T229]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.860006][  T229]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.860013][  T229]  ? 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))
[   11.860014][  T229]  ? 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))
[   11.860018][  T229]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.860022][  T229]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.860025][  T229]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   11.860029][  T229]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.860033][  T229]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.860034][  T229]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.860037][  T229]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.860041][  T229]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.860045][  T229]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.860047][  T229]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.860050][  T229]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.860051][  T229]  ? move_addr_to_kernel (./include/linux/audit.h:354 (discriminator 1))
[   11.860058][  T229]  ___sys_sendmsg (net/socket.c:2767)
[   11.860061][  T229]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.860081][  T229]  __sys_sendmsg (net/socket.c:2799)
[   11.860085][  T229]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.860091][  T229]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.860094][  T229]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.860096][  T229]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.860099][  T229]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.860101][  T229] RIP: 0033:0x7ff43e93354e
[   11.860103][  T229] 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
[   11.860105][  T229] RSP: 002b:00007ffd802a5ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.860107][  T229] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff43e93354e
[   11.860109][  T229] RDX: 0000000000000000 RSI: 00007ffd802a5f80 RDI: 0000000000000005
[   11.860110][  T229] RBP: 00007ffd802a5ee0 R08: 0000000000000000 R09: 0000000000000000
[   11.860110][  T229] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915ae8
[   11.860111][  T229] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd802a6650
| [   13.946791][   T68] softirqs last disabled at (25510): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   13.946799][   T68] Preemption disabled at:
| [   13.946800][   T68] 0x0
| [   13.946810][   T68] Tainted: [W]=WARN
[   13.946811][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.946812][   T68] Workqueue: netns cleanup_net
[   13.946816][   T68] Call Trace:
[   13.946817][   T68]  <TASK>
[   13.946819][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.946825][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.946830][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.946833][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.946838][   T68]  __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))
[   13.946841][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.946847][   T68]  ? 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)
[   13.946850][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.946853][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   13.946856][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.946864][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.946871][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.946874][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.946878][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.946882][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.946883][   T68]  ? 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))
[   13.946886][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.946889][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.946894][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.946898][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.946899][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.946905][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.946909][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.946911][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.946914][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.946921][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.946924][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.946927][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.946931][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.946932][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.946938][   T68]  _printk (kernel/printk/printk.c:2504)
[   13.946942][   T68]  ? snapshot_read.cold (user.c:?)
[   13.946950][   T68] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.946962][   T68] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   13.946972][   T68] br_device_event (net/bridge/br.c:111) bridge
[   13.946980][   T68]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.946984][   T68]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   13.946991][   T68]  notifier_call_chain (kernel/notifier.c:85)
[   13.946998][   T68]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   13.947000][   T68]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   13.947003][   T68]  ? __dev_close_many (net/core/dev.c:1804)
[   13.947007][   T68]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   13.947011][   T68]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   13.947014][   T68]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   13.947016][   T68]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.947018][   T68]  ? kthread (kernel/kthread.c:436)
[   13.947020][   T68]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   13.947023][   T68]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   13.947027][   T68]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   13.947031][   T68]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.947037][   T68]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   13.947040][   T68]  ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3))
[   13.947043][   T68]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   13.947046][   T68]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   13.947048][   T68]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1))
[   13.947051][   T68]  ? 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)
[   13.947055][   T68]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   13.947059][   T68]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   13.947063][   T68]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   13.947064][   T68]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.947069][   T68]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   13.947074][   T68]  cleanup_net (net/core/net_namespace.c:706)
[   13.947079][   T68]  ? net_passive_dec (./include/linux/llist.h:241)
[   13.947087][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.947090][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.947095][   T68]  process_one_work (kernel/workqueue.c:3387)
[   13.947101][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   13.947104][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.947112][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.947116][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.947118][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.947120][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.947123][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.947124][   T68]  kthread (kernel/kthread.c:436)
[   13.947127][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.947130][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.947133][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.947136][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   13.947139][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.947143][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_stp_enable_bridge:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print