======================================
| [   10.483715][  T224] softirqs last disabled at (21507): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.483717][  T224] Preemption disabled at:
| [   10.483718][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.483727][  T224] Tainted: [W]=WARN
[   10.483728][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.483730][  T224] Call Trace:
[   10.483731][  T224]  <TASK>
[   10.483732][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.483738][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.483740][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.483745][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.483749][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.483754][  T224]  __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))
[   10.483756][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.483761][  T224]  ? 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)
[   10.483764][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.483767][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   10.483770][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.483771][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.483775][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.483778][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.483782][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.483785][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.483790][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.483792][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.483797][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.483801][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.483803][  T224]  ? 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))
[   10.483806][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.483808][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.483812][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.483816][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.483817][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.483822][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.483825][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.483827][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.483829][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.483833][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.483834][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.483837][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.483841][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.483847][  T224]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.483851][  T224]  _printk (kernel/printk/printk.c:2504)
[   10.483854][  T224]  ? snapshot_read.cold (user.c:?)
[   10.483860][  T224]  ? 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)
[   10.483863][  T224] 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
[   10.483866][  T224]  do_one_initcall (init/main.c:1357)
[   10.483869][  T224]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.483873][  T224]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.483876][  T224]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.483881][  T224]  do_init_module (kernel/module/main.c:3117)
[   10.483885][  T224]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.483889][  T224]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.483892][  T224]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.483896][  T224]  load_module (kernel/module/main.c:3593)
[   10.483903][  T224]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.483906][  T224]  ? __ia32_sys_fsconfig (??:?)
[   10.483909][  T224]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.483913][  T224]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.483916][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.483920][  T224]  init_module_from_file (kernel/module/main.c:3790)
[   10.483923][  T224]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.483931][  T224]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.483935][  T224]  ? 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)
[   10.483938][  T224]  idempotent_init_module (kernel/module/main.c:3802)
[   10.483941][  T224]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.483947][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.483949][  T224]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.483958][  T224]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.483960][  T224]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.483963][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.483965][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.483968][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.483970][  T224] RIP: 0033:0x7fc6682d537d
[   10.483973][  T224] 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
[   10.483975][  T224] RSP: 002b:00007ffd07883208 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.483977][  T224] RAX: ffffffffffffffda RBX: 00005614d54f0810 RCX: 00007fc6682d537d
[   10.483979][  T224] RDX: 0000000000000000 RSI: 00005614b2470ffd RDI: 0000000000000000
[   10.483980][  T224] RBP: 00007ffd078832a0 R08: 0000000000000000 R09: 0000000000000000
[   10.483980][  T224] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614b2470ffd
[   10.483981][  T224] R13: 00005614d54f0960 R14: 0000000000040000 R15: 0000000000000000
| [   25.977989][  T394] softirqs last disabled at (21842): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   25.977996][  T394] Preemption disabled at:
| [   25.977997][  T394] 0x0
| [   25.978007][  T394] Tainted: [W]=WARN
[   25.978008][  T394] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.978010][  T394] Call Trace:
[   25.978012][  T394]  <TASK>
[   25.978013][  T394]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.978020][  T394]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.978025][  T394]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.978029][  T394]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.978034][  T394]  __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))
[   25.978037][  T394]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.978042][  T394]  ? 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)
[   25.978045][  T394]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.978048][  T394]  put_chars (drivers/char/virtio_console.c:1176)
[   25.978051][  T394]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.978053][  T394]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   25.978057][  T394]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.978061][  T394]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.978063][  T394]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.978065][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978067][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978071][  T394]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.978072][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.978077][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.978081][  T394]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.978085][  T394]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.978087][  T394]  ? 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))
[   25.978090][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978094][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.978098][  T394]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.978102][  T394]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.978104][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978109][  T394]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.978112][  T394]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.978114][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978116][  T394]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.978120][  T394]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.978122][  T394]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.978126][  T394]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.978131][  T394]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.978133][  T394]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.978135][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.978138][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.978142][  T394]  _printk (kernel/printk/printk.c:2504)
[   25.978146][  T394]  ? snapshot_read.cold (user.c:?)
[   25.978154][  T394] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.978166][  T394] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   25.978175][  T394] br_device_event (net/bridge/br.c:111) bridge
[   25.978183][  T394]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   25.978187][  T394]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   25.978193][  T394]  notifier_call_chain (kernel/notifier.c:85)
[   25.978199][  T394]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   25.978204][  T394]  ? netif_change_name (net/core/dev.c:1517)
[   25.978208][  T394]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.978211][  T394]  ? __kernel_text_address (kernel/extable.c:79)
[   25.978213][  T394]  ? write_profile (profile.c:?)
[   25.978215][  T394]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.978220][  T394]  netif_change_flags (net/core/dev.c:9882)
[   25.978224][  T394]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.978228][  T394]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.978230][  T394]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.978231][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.978233][  T394]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.978236][  T394]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.978239][  T394]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.978241][  T394]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.978244][  T394]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.978247][  T394]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.978248][  T394]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.978251][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978253][  T394]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   25.978256][  T394]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.978261][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.978263][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.978265][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978268][  T394]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.978269][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978271][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978274][  T394]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.978277][  T394]  ? __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)
[   25.978279][  T394]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.978281][  T394]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.978285][  T394]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.978290][  T394]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.978296][  T394]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.978301][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.978303][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978308][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.978310][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.978312][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.978314][  T394]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.978317][  T394]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.978320][  T394]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.978323][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.978324][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978329][  T394]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.978330][  T394]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.978334][  T394]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.978336][  T394]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.978339][  T394]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.978345][  T394]  ? 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))
[   25.978347][  T394]  ? 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))
[   25.978351][  T394]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.978355][  T394]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.978358][  T394]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.978362][  T394]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.978366][  T394]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.978369][  T394]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.978375][  T394]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.978377][  T394]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.978380][  T394]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.978381][  T394]  ? move_addr_to_kernel (net/socket.c:258)
[   25.978389][  T394]  ___sys_sendmsg (net/socket.c:2767)
[   25.978392][  T394]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.978408][  T394]  __sys_sendmsg (net/socket.c:2799)
[   25.978411][  T394]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.978417][  T394]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.978421][  T394]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.978423][  T394]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.978427][  T394]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.978429][  T394] RIP: 0033:0x7efce1eb254e
[   25.978432][  T394] 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
[   25.978433][  T394] RSP: 002b:00007fff6c8600f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.978436][  T394] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efce1eb254e
[   25.978438][  T394] RDX: 0000000000000000 RSI: 00007fff6c8601a0 RDI: 0000000000000005
[   25.978439][  T394] RBP: 00007fff6c860100 R08: 0000000000000000 R09: 0000000000000000
[   25.978439][  T394] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b797


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