======================================
| [   11.500578][  T225] softirqs last disabled at (22995): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.500580][  T225] Preemption disabled at:
| [   11.500581][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.500590][  T225] Tainted: [W]=WARN
[   11.500591][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.500593][  T225] Call Trace:
[   11.500594][  T225]  <TASK>
[   11.500596][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.500601][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.500604][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.500610][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.500614][  T225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.500619][  T225]  __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))
[   11.500622][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.500627][  T225]  ? 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)
[   11.500630][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.500633][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   11.500636][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.500637][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.500642][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.500644][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.500649][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.500651][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.500656][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.500659][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.500664][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.500668][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.500670][  T225]  ? 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))
[   11.500673][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.500675][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.500679][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.500683][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.500685][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.500690][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.500693][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.500695][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.500697][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.500700][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.500702][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.500705][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.500709][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.500715][  T225]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.500719][  T225]  _printk (kernel/printk/printk.c:2504)
[   11.500723][  T225]  ? snapshot_read.cold (user.c:?)
[   11.500729][  T225]  ? 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)
[   11.500732][  T225] 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
[   11.500735][  T225]  do_one_initcall (init/main.c:1357)
[   11.500738][  T225]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.500742][  T225]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.500745][  T225]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.500750][  T225]  do_init_module (kernel/module/main.c:3117)
[   11.500754][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.500758][  T225]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.500761][  T225]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.500765][  T225]  load_module (kernel/module/main.c:3593)
[   11.500772][  T225]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.500776][  T225]  ? __ia32_sys_fsconfig (??:?)
[   11.500780][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.500782][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.500786][  T225]  init_module_from_file (kernel/module/main.c:3790)
[   11.500789][  T225]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.500797][  T225]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.500801][  T225]  ? 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)
[   11.500804][  T225]  idempotent_init_module (kernel/module/main.c:3802)
[   11.500807][  T225]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.500813][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.500816][  T225]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.500822][  T225]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.500824][  T225]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.500828][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.500830][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.500832][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.500835][  T225] RIP: 0033:0x7f0d8203837d
[   11.500838][  T225] 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
[   11.500840][  T225] RSP: 002b:00007ffea2d09e98 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.500843][  T225] RAX: ffffffffffffffda RBX: 000055c66882f810 RCX: 00007f0d8203837d
[   11.500844][  T225] RDX: 0000000000000000 RSI: 000055c63262effd RDI: 0000000000000000
[   11.500845][  T225] RBP: 00007ffea2d09f30 R08: 0000000000000000 R09: 0000000000000000
[   11.500846][  T225] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c63262effd
[   11.500847][  T225] R13: 000055c66882f960 R14: 0000000000040000 R15: 0000000000000000
| [   12.505344][  T190] softirqs last disabled at (39814): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) bridge
| [   12.505352][  T190] Preemption disabled at:
| [   12.505353][  T190] 0x0
| [   12.505364][  T190] Tainted: [W]=WARN
[   12.505365][  T190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.505366][  T190] Workqueue: events_unbound linkwatch_event
[   12.505370][  T190] Call Trace:
[   12.505372][  T190]  <TASK>
[   12.505373][  T190]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.505379][  T190]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.505384][  T190]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.505388][  T190]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.505394][  T190]  __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))
[   12.505396][  T190]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.505402][  T190]  ? 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)
[   12.505405][  T190]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.505408][  T190]  put_chars (drivers/char/virtio_console.c:1176)
[   12.505411][  T190]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.505412][  T190]  ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3))
[   12.505416][  T190]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.505420][  T190]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.505423][  T190]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.505425][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.505426][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.505431][  T190]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.505432][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.505437][  T190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.505441][  T190]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.505445][  T190]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.505447][  T190]  ? 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))
[   12.505450][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.505454][  T190]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.505459][  T190]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.505463][  T190]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.505465][  T190]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.505470][  T190]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.505473][  T190]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.505475][  T190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.505478][  T190]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.505481][  T190]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.505483][  T190]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.505487][  T190]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.505491][  T190]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.505497][  T190]  _printk (kernel/printk/printk.c:2504)
[   12.505501][  T190]  ? snapshot_read.cold (user.c:?)
[   12.505506][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.505510][  T190] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.505520][  T190] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.505528][  T190] br_stp_enable_port (net/bridge/br_stp_if.c:93) bridge
[   12.505536][  T190] br_port_carrier_check (net/bridge/br_if.c:90) bridge
[   12.505544][  T190] br_device_event (net/bridge/br.c:101) bridge
[   12.505553][  T190]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   12.505555][  T190]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.505562][  T190]  notifier_call_chain (kernel/notifier.c:85)
[   12.505568][  T190]  netif_state_change (net/core/dev.c:1625)
[   12.505573][  T190]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   12.505578][  T190]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.505580][  T190]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.505584][  T190]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.505586][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.505591][  T190]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.505593][  T190]  ? __linkwatch_run_queue (./include/linux/list.h:577)
[   12.505597][  T190]  process_one_work (kernel/workqueue.c:3387)
[   12.505604][  T190]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.505607][  T190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.505616][  T190]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.505621][  T190]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.505623][  T190]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.505626][  T190]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.505629][  T190]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.505631][  T190]  kthread (kernel/kthread.c:436)
[   12.505633][  T190]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.505636][  T190]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.505639][  T190]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.505643][  T190]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.505646][  T190]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.505650][  T190]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.505652][  T190]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.562273][  T324] softirqs last disabled at (13668): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   20.562276][  T324] Preemption disabled at:
| [   20.562276][  T324] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.562286][  T324] Tainted: [W]=WARN
[   20.562287][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.562289][  T324] Call Trace:
[   20.562291][  T324]  <TASK>
[   20.562293][  T324]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.562299][  T324]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.562301][  T324]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.562306][  T324]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.562310][  T324]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.562315][  T324]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.562318][  T324]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.562323][  T324]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.562326][  T324]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.562329][  T324]  put_chars (drivers/char/virtio_console.c:1176)
[   20.562332][  T324]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.562333][  T324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.562338][  T324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.562343][  T324]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.562350][  T324]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.562352][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562354][  T324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.562358][  T324]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.562362][  T324]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.562364][  T324]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   20.562367][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562369][  T324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.562373][  T324]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.562377][  T324]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.562379][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.562384][  T324]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.562387][  T324]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.562389][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562391][  T324]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.562395][  T324]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.562396][  T324]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.562400][  T324]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.562403][  T324]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.562405][  T324]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.562407][  T324]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.562409][  T324]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.562411][  T324]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.562413][  T324]  ? ___sys_sendmsg (net/socket.c:2767)
[   20.562415][  T324]  ? __sys_sendmsg (net/socket.c:2799)
[   20.562417][  T324]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.562422][  T324]  _printk (kernel/printk/printk.c:2504)
[   20.562425][  T324]  ? snapshot_read.cold (user.c:?)
[   20.562430][  T324]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.562433][  T324]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.562437][  T324]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.562439][  T324]  ? netdev_notice (net/core/dev.c:13194)
[   20.562443][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562445][  T324]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   20.562448][  T324]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   20.562450][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.562452][  T324]  ? 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)
[   20.562455][  T324]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   20.562460][  T324]  dev_set_allmulti (net/core/dev_api.c:315)
[   20.562463][  T324] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   20.562476][  T324]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   20.562483][  T324] br_del_if (net/bridge/br_if.c:732) bridge
[   20.562490][  T324]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.562493][  T324]  do_set_master (net/core/rtnetlink.c:3055)
[   20.562498][  T324]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   20.562501][  T324]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.562504][  T324]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.562506][  T324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.562508][  T324]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.562512][  T324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.562514][  T324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.562516][  T324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.562519][  T324]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.562521][  T324]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.562523][  T324]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.562526][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.562528][  T324]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   20.562529][  T324]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.562533][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.562535][  T324]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.562537][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562540][  T324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.562541][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562543][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562545][  T324]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.562548][  T324]  ? __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)
[   20.562550][  T324]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.562552][  T324]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.562556][  T324]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.562557][  T324]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.562562][  T324]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.562567][  T324]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.562573][  T324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.562575][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.562579][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.562581][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.562583][  T324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.562585][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.562588][  T324]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.562591][  T324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.562594][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.562595][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.562599][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.562601][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.562605][  T324]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.562606][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.562611][  T324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.562617][  T324]  ? 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))
[   20.562619][  T324]  ? 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))
[   20.562623][  T324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.562627][  T324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.562629][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.562633][  T324]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.562637][  T324]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.562641][  T324]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.562646][  T324]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.562648][  T324]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.562650][  T324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.562652][  T324]  ? move_addr_to_kernel (net/socket.c:258)
[   20.562659][  T324]  ___sys_sendmsg (net/socket.c:2767)
[   20.562662][  T324]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.562677][  T324]  __sys_sendmsg (net/socket.c:2799)
[   20.562680][  T324]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.562686][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.562689][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.562691][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.562694][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.562696][  T324] RIP: 0033:0x7f288ad3c54e
[   20.562699][  T324] 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
[   20.562701][  T324] RSP: 002b:00007ffd89681720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.562704][  T324] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f288ad3c54e
[   20.562705][  T324] RDX: 0000000000000000 RSI: 00007ffd896817d0 RDI: 0000000000000005
[   20.562706][  T324] RBP: 00007ffd89681730 R08: 0000000000000000 R09: 0000000000000000
[   20.562707][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91adce
[   20.562707][  T324] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd89681e90
| [   22.693092][  T328] softirqs last disabled at (11222): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   22.693094][  T328] Preemption disabled at:
| [   22.693095][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   22.693104][  T328] Tainted: [W]=WARN
[   22.693105][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.693107][  T328] Call Trace:
[   22.693108][  T328]  <TASK>
[   22.693110][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.693116][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   22.693118][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.693123][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.693127][  T328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.693133][  T328]  __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))
[   22.693135][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.693141][  T328]  ? 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)
[   22.693143][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.693147][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   22.693149][  T328]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   22.693151][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.693154][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.693158][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.693160][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.693164][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.693167][  T328]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   22.693169][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693171][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693175][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.693177][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   22.693180][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693182][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.693186][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.693190][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.693192][  T328]  ? 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))
[   22.693195][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693198][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.693202][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.693206][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.693207][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693213][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.693216][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.693217][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693220][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.693223][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.693225][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.693229][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.693233][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.693235][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.693238][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.693241][  T328]  _printk (kernel/printk/printk.c:2504)
[   22.693245][  T328]  ? snapshot_read.cold (user.c:?)
[   22.693249][  T328]  ? br_multicast_flood (??:?) bridge
[   22.693262][  T328]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.693263][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.693264][  T328]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.693269][  T328] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   22.693279][  T328] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   22.693289][  T328] new_nbp (net/bridge/br_if.c:449) bridge
[   22.693298][  T328] br_add_if (net/bridge/br_if.c:592) bridge
[   22.693305][  T328]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   22.693309][  T328]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   22.693312][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   22.693316][  T328]  do_set_master (net/core/rtnetlink.c:3071)
[   22.693321][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   22.693324][  T328]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.693327][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.693328][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.693330][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.693333][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.693336][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.693338][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.693340][  T328]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.693343][  T328]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.693345][  T328]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.693348][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693349][  T328]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   22.693353][  T328]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.693357][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.693359][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.693362][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693364][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.693365][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693367][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693370][  T328]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.693373][  T328]  ? __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)
[   22.693377][  T328]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.693379][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.693382][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.693384][  T328]  ? nla_get_range_signed (lib/nlattr.c:270)
[   22.693389][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.693394][  T328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.693399][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.693401][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693405][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.693407][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.693409][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.693411][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.693415][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.693417][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.693420][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.693421][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693425][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.693427][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.693431][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.693432][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.693435][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.693441][  T328]  ? 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))
[   22.693443][  T328]  ? 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))
[   22.693447][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.693451][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.693453][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.693457][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.693461][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.693465][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.693470][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.693473][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.693475][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.693477][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   22.693484][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   22.693487][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.693502][  T328]  __sys_sendmsg (net/socket.c:2799)
[   22.693505][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.693511][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.693515][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.693517][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.693521][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.693523][  T328] RIP: 0033:0x7f62f613f54e
[   22.693526][  T328] 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
[   22.693528][  T328] RSP: 002b:00007ffd70f7b750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.693531][  T328] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f62f613f54e
[   22.693532][  T328] RDX: 0000000000000000 RSI: 00007ffd70f7b800 RDI: 0000000000000005
[   22.693533][  T328] RBP: 00007ffd70f7b760 R08: 0000000000000000 R09: 0000000000000000
[   22.693534][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91add1
[   22.693535][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd70f7bec0
| [   25.432349][  T375] softirqs last disabled at (20676): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) bridge
| [   25.432357][  T375] Preemption disabled at:
| [   25.432357][  T375] 0x0
| [   25.432367][  T375] Tainted: [W]=WARN
[   25.432368][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.432370][  T375] Call Trace:
[   25.432372][  T375]  <TASK>
[   25.432373][  T375]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.432380][  T375]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.432385][  T375]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.432389][  T375]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.432394][  T375]  __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))
[   25.432397][  T375]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.432402][  T375]  ? 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)
[   25.432404][  T375]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.432408][  T375]  put_chars (drivers/char/virtio_console.c:1176)
[   25.432411][  T375]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.432413][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.432417][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.432420][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.432423][  T375]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.432426][  T375]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.432428][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432429][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432434][  T375]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.432435][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.432439][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.432443][  T375]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.432446][  T375]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.432448][  T375]  ? 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))
[   25.432451][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432454][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.432457][  T375]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.432462][  T375]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.432463][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432468][  T375]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.432471][  T375]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.432473][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432475][  T375]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.432479][  T375]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.432480][  T375]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.432484][  T375]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.432487][  T375]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.432489][  T375]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   25.432492][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.432494][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.432497][  T375]  _printk (kernel/printk/printk.c:2504)
[   25.432501][  T375]  ? snapshot_read.cold (user.c:?)
[   25.432509][  T375] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   25.432520][  T375] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge
[   25.432529][  T375] br_device_event (net/bridge/br.c:111) bridge
[   25.432536][  T375]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   25.432540][  T375]  ? _sub_I_65535_1+0x4d0/0x4d0 stp
[   25.432546][  T375]  notifier_call_chain (kernel/notifier.c:85)
[   25.432552][  T375]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   25.432556][  T375]  ? netif_change_name (net/core/dev.c:1517)
[   25.432560][  T375]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   25.432563][  T375]  ? __kernel_text_address (kernel/extable.c:79)
[   25.432565][  T375]  ? write_profile (profile.c:?)
[   25.432567][  T375]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.432572][  T375]  netif_change_flags (net/core/dev.c:9882)
[   25.432576][  T375]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   25.432579][  T375]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   25.432581][  T375]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   25.432583][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.432584][  T375]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.432588][  T375]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.432590][  T375]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.432592][  T375]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.432594][  T375]  ? kasan_save_stack (mm/kasan/common.c:58)
[   25.432597][  T375]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.432599][  T375]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.432602][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432603][  T375]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   25.432607][  T375]  ? ___sys_sendmsg (net/socket.c:2757)
[   25.432613][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.432615][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.432618][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432620][  T375]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.432622][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432624][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432626][  T375]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   25.432630][  T375]  ? __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)
[   25.432632][  T375]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   25.432634][  T375]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   25.432637][  T375]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.432638][  T375]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.432643][  T375]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   25.432648][  T375]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   25.432654][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.432655][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432660][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.432662][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.432664][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.432665][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.432669][  T375]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   25.432671][  T375]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.432674][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.432675][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432680][  T375]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.432682][  T375]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.432685][  T375]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.432687][  T375]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.432690][  T375]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.432696][  T375]  ? 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))
[   25.432697][  T375]  ? 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))
[   25.432701][  T375]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.432705][  T375]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.432708][  T375]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.432712][  T375]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.432715][  T375]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.432719][  T375]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.432725][  T375]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.432727][  T375]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.432729][  T375]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.432731][  T375]  ? move_addr_to_kernel (net/socket.c:258)
[   25.432738][  T375]  ___sys_sendmsg (net/socket.c:2767)
[   25.432741][  T375]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.432756][  T375]  __sys_sendmsg (net/socket.c:2799)
[   25.432759][  T375]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.432765][  T375]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.432769][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.432771][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.432774][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.432777][  T375] RIP: 0033:0x7f480b1ed54e
[   25.432779][  T375] 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
[   25.432780][  T375] RSP: 002b:00007ffc378b4cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.432783][  T375] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f480b1ed54e
[   25.432784][  T375] RDX: 0000000000000000 RSI: 00007ffc378b4da0 RDI: 0000000000000005
[   25.432785][  T375] RBP: 00007ffc378b4d00 R08: 0000000000000000 R09: 0000000000000000
[   25.432786][  T375] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91add3


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