======================================
| [   10.376787][  T188] softirqs last disabled at (40391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.376789][  T188] Preemption disabled at:
| [   10.376790][  T188] 0x0
| [   10.376800][  T188] Tainted: [W]=WARN
[   10.376801][  T188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.376802][  T188] Call Trace:
[   10.376804][  T188]  <TASK>
[   10.376805][  T188]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.376811][  T188]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.376816][  T188]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.376820][  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)
[   10.376825][  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))
[   10.376827][  T188]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.376833][  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)
[   10.376835][  T188]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.376838][  T188]  put_chars (drivers/char/virtio_console.c:1176)
[   10.376841][  T188]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.376842][  T188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.376847][  T188]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.376852][  T188]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.376858][  T188]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.376860][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.376862][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.376866][  T188]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.376870][  T188]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.376871][  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))
[   10.376874][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.376876][  T188]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.376880][  T188]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.376884][  T188]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.376886][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.376891][  T188]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.376893][  T188]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.376895][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.376898][  T188]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.376901][  T188]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.376903][  T188]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.376906][  T188]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.376909][  T188]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.376913][  T188]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.376916][  T188]  _printk (kernel/printk/printk.c:2504)
[   10.376920][  T188]  ? snapshot_read.cold (user.c:?)
[   10.376924][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.376926][  T188]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.376930][  T188]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.376932][  T188]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.376936][  T188]  ? exit_notify (kernel/exit.c:780)
[   10.376938][  T188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.376941][  T188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.376945][  T188]  do_group_exit (kernel/exit.c:1151)
[   10.376947][  T188]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.376949][  T188]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.376951][  T188]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.376954][  T188]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.376957][  T188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.376960][  T188] RIP: 0033:0x7f952e88e1b8
[   10.376962][  T188] Code: Unable to access opcode bytes at 0x7f952e88e18e.

Code starting with the faulting instruction
===========================================
[   10.376963][  T188] RSP: 002b:00007ffe0ef975a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.376965][  T188] RAX: ffffffffffffffda RBX: 00007f952e9bef88 RCX: 00007f952e88e1b8
[   10.376966][  T188] RDX: 00007f952e5d8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.376967][  T188] RBP: 00007ffe0ef97600 R08: 0000000000000000 R09: 0000000000008010
[   10.376968][  T188] R10: 00007ffe0ef973c0 R11: 0000000000000246 R12: 0000000000000001
[   10.376969][  T188] R13: 0000000000000000 R14: 00007f952e9bd680 R15: 00007f952e9befa0
| [   11.633389][  T238] softirqs last disabled at (20623): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.633393][  T238] Preemption disabled at:
| [   11.633393][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.633406][  T238] Tainted: [W]=WARN
[   11.633407][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.633409][  T238] Call Trace:
[   11.633412][  T238]  <TASK>
[   11.633414][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.633421][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.633429][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.633435][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.633441][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.633448][  T238]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.633452][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.633461][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.633464][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.633470][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.633474][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.633476][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.633483][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.633486][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.633494][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.633498][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.633506][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.633511][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.633519][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.633526][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.633528][  T238]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.633533][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.633537][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.633543][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.633550][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.633553][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.633562][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.633567][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.633569][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.633573][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.633578][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.633581][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.633586][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.633593][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.633603][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.633608][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.633613][  T238]  ? snapshot_read.cold (user.c:?)
[   11.633625][  T238]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   11.633629][  T238] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q
[   11.633634][  T238]  do_one_initcall (init/main.c:1357)
[   11.633638][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.633646][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.633650][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.633657][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.633663][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.633669][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.633674][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.633681][  T238]  load_module (kernel/module/main.c:3593)
[   11.633694][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.633701][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.633704][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.633709][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.633712][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.633716][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.633723][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.633728][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.633743][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.633749][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.633755][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.633760][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.633771][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.633775][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.633784][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.633787][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.633792][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.633795][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.633800][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.633803][  T238] RIP: 0033:0x7f336e1cc37d
[   11.633808][  T238] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.633810][  T238] RSP: 002b:00007ffe69c7d378 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.633814][  T238] RAX: ffffffffffffffda RBX: 0000562da98ba810 RCX: 00007f336e1cc37d
[   11.633816][  T238] RDX: 0000000000000000 RSI: 0000562da4f7fffd RDI: 0000000000000000
[   11.633818][  T238] RBP: 00007ffe69c7d410 R08: 0000000000000000 R09: 0000000000000000
[   11.633819][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562da4f7fffd
[   11.633821][  T238] R13: 0000562da98ba960 R14: 0000000000040000 R15: 0000000000000000
| [   12.933200][  T286] softirqs last disabled at (21450): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.933202][  T286] Preemption disabled at:
| [   12.933203][  T286] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.933213][  T286] Tainted: [W]=WARN
[   12.933214][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.933215][  T286] Call Trace:
[   12.933217][  T286]  <TASK>
[   12.933219][  T286]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.933225][  T286]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.933227][  T286]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.933232][  T286]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.933236][  T286]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.933241][  T286]  __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))
[   12.933244][  T286]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.933252][  T286]  ? 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)
[   12.933255][  T286]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.933258][  T286]  put_chars (drivers/char/virtio_console.c:1176)
[   12.933261][  T286]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.933265][  T286]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.933268][  T286]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.933271][  T286]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.933273][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933275][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933278][  T286]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.933280][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.933283][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933288][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.933291][  T286]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.933295][  T286]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.933297][  T286]  ? 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))
[   12.933300][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933302][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.933306][  T286]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.933310][  T286]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.933312][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933317][  T286]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.933320][  T286]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.933321][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933324][  T286]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.933327][  T286]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.933329][  T286]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.933332][  T286]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.933336][  T286]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.933339][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.933341][  T286]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.933345][  T286]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.933348][  T286]  _printk (kernel/printk/printk.c:2504)
[   12.933352][  T286]  ? snapshot_read.cold (user.c:?)
[   12.933356][  T286]  ? br_multicast_flood (??:?) bridge
[   12.933369][  T286]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.933370][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.933371][  T286]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.933376][  T286] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.933386][  T286] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.933394][  T286] new_nbp (net/bridge/br_if.c:449) bridge
[   12.933403][  T286] br_add_if (net/bridge/br_if.c:592) bridge
[   12.933410][  T286]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.933414][  T286]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.933417][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   12.933421][  T286]  do_set_master (net/core/rtnetlink.c:3071)
[   12.933426][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.933433][  T286]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.933437][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.933438][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.933440][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.933444][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.933447][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.933448][  T286]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.933451][  T286]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.933454][  T286]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.933456][  T286]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.933458][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933460][  T286]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.933463][  T286]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.933468][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.933470][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.933472][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933475][  T286]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.933476][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933478][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933480][  T286]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.933484][  T286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.933486][  T286]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.933488][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.933492][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.933493][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.933498][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.933503][  T286]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.933509][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.933511][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933515][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.933517][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.933519][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.933521][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.933524][  T286]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.933526][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.933529][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.933531][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933535][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.933537][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.933540][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.933542][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.933545][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.933551][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.933553][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.933557][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.933560][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.933563][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.933567][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.933571][  T286]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.933575][  T286]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.933580][  T286]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.933582][  T286]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.933584][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.933586][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   12.933593][  T286]  ___sys_sendmsg (net/socket.c:2767)
[   12.933596][  T286]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.933612][  T286]  __sys_sendmsg (net/socket.c:2799)
[   12.933614][  T286]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.933621][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.933624][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.933627][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.933630][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.933632][  T286] RIP: 0033:0x7f27369b854e
[   12.933635][  T286] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.933637][  T286] RSP: 002b:00007ffd8d36bfb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.933639][  T286] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f27369b854e
[   12.933641][  T286] RDX: 0000000000000000 RSI: 00007ffd8d36c060 RDI: 0000000000000005
[   12.933642][  T286] RBP: 00007ffd8d36bfc0 R08: 0000000000000000 R09: 0000000000000000
[   12.933643][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d4a
[   12.933644][  T286] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8d36c720
| [   14.418256][  T337] softirqs last disabled at (13574): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.418258][  T337] Preemption disabled at:
| [   14.418259][  T337] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.418269][  T337] Tainted: [W]=WARN
[   14.418270][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.418272][  T337] Call Trace:
[   14.418274][  T337]  <TASK>
[   14.418275][  T337]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.418281][  T337]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.418283][  T337]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.418288][  T337]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.418292][  T337]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.418297][  T337]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   14.418299][  T337]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.418305][  T337]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.418308][  T337]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.418311][  T337]  put_chars (drivers/char/virtio_console.c:1176)
[   14.418313][  T337]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.418315][  T337]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.418318][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.418322][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.418324][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.418328][  T337]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.418331][  T337]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.418333][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418334][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418338][  T337]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.418340][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.418343][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418346][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.418350][  T337]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.418354][  T337]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.418355][  T337]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   14.418358][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418361][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.418365][  T337]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.418369][  T337]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.418371][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418376][  T337]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.418379][  T337]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.418380][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418383][  T337]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.418386][  T337]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.418388][  T337]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.418391][  T337]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.418396][  T337]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.418398][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.418401][  T337]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.418404][  T337]  _printk (kernel/printk/printk.c:2504)
[   14.418408][  T337]  ? snapshot_read.cold (user.c:?)
[   14.418412][  T337]  ? br_multicast_flood (??:?) bridge
[   14.418425][  T337]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.418426][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.418427][  T337]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.418432][  T337] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.418448][  T337] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.418457][  T337] new_nbp (net/bridge/br_if.c:449) bridge
[   14.418466][  T337] br_add_if (net/bridge/br_if.c:592) bridge
[   14.418473][  T337]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.418477][  T337]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.418480][  T337]  ? __kernel_text_address (kernel/extable.c:79)
[   14.418483][  T337]  do_set_master (net/core/rtnetlink.c:3071)
[   14.418488][  T337]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.418491][  T337]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.418494][  T337]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.418495][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.418497][  T337]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.418501][  T337]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.418503][  T337]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.418505][  T337]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.418507][  T337]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.418510][  T337]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.418512][  T337]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.418515][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418516][  T337]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.418519][  T337]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.418525][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.418526][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.418529][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418531][  T337]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.418533][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418535][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418537][  T337]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.418541][  T337]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   14.418544][  T337]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.418546][  T337]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.418549][  T337]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.418551][  T337]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.418556][  T337]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.418561][  T337]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.418566][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.418568][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418572][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.418574][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.418576][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.418578][  T337]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.418581][  T337]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.418583][  T337]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.418586][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.418588][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418592][  T337]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.418594][  T337]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.418597][  T337]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.418599][  T337]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.418601][  T337]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.418607][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.418609][  T337]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.418613][  T337]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.418617][  T337]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.418619][  T337]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.418623][  T337]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.418627][  T337]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.418630][  T337]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.418636][  T337]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.418638][  T337]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.418640][  T337]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.418642][  T337]  ? move_addr_to_kernel (net/socket.c:258)
[   14.418649][  T337]  ___sys_sendmsg (net/socket.c:2767)
[   14.418652][  T337]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.418667][  T337]  __sys_sendmsg (net/socket.c:2799)
[   14.418670][  T337]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.418676][  T337]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.418679][  T337]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.418681][  T337]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.418684][  T337]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.418687][  T337] RIP: 0033:0x7f5b89ba054e
[   14.418690][  T337] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.418692][  T337] RSP: 002b:00007ffc3e822880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.418694][  T337] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5b89ba054e
[   14.418696][  T337] RDX: 0000000000000000 RSI: 00007ffc3e822930 RDI: 0000000000000005
[   14.418697][  T337] RBP: 00007ffc3e822890 R08: 0000000000000000 R09: 0000000000000000
[   14.418698][  T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d4b
[   14.418699][  T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3e822ff0
| [   15.665848][  T383] softirqs last disabled at (12812): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.665850][  T383] Preemption disabled at:
| [   15.665851][  T383] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.665861][  T383] Tainted: [W]=WARN
[   15.665862][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.665863][  T383] Call Trace:
[   15.665865][  T383]  <TASK>
[   15.665867][  T383]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.665873][  T383]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.665875][  T383]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.665879][  T383]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.665884][  T383]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.665889][  T383]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.665891][  T383]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.665897][  T383]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.665899][  T383]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.665903][  T383]  put_chars (drivers/char/virtio_console.c:1176)
[   15.665905][  T383]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.665907][  T383]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.665910][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.665914][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.665916][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.665920][  T383]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.665923][  T383]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.665925][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.665927][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.665931][  T383]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.665933][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.665936][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.665939][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.665943][  T383]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.665947][  T383]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.665948][  T383]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.665952][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.665954][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.665958][  T383]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.665962][  T383]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.665964][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.665970][  T383]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.665972][  T383]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.665974][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.665976][  T383]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.665980][  T383]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.665982][  T383]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.665985][  T383]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.665990][  T383]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.665992][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.665995][  T383]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.665999][  T383]  _printk (kernel/printk/printk.c:2504)
[   15.666002][  T383]  ? snapshot_read.cold (user.c:?)
[   15.666006][  T383]  ? br_multicast_flood (??:?) bridge
[   15.666019][  T383]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.666021][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.666022][  T383]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.666026][  T383] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.666037][  T383] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.666045][  T383] new_nbp (net/bridge/br_if.c:449) bridge
[   15.666055][  T383] br_add_if (net/bridge/br_if.c:592) bridge
[   15.666062][  T383]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.666066][  T383]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.666069][  T383]  ? __kernel_text_address (kernel/extable.c:79)
[   15.666073][  T383]  do_set_master (net/core/rtnetlink.c:3071)
[   15.666078][  T383]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.666081][  T383]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.666084][  T383]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.666085][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.666087][  T383]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.666091][  T383]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.666093][  T383]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.666095][  T383]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.666098][  T383]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.666101][  T383]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.666103][  T383]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.666105][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.666107][  T383]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.666110][  T383]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.666115][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.666117][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.666120][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.666122][  T383]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.666123][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.666125][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.666128][  T383]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.666132][  T383]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.666134][  T383]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.666137][  T383]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.666140][  T383]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.666142][  T383]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.666147][  T383]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.666152][  T383]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.666158][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.666159][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.666164][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.666166][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.666168][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.666170][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.666173][  T383]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.666176][  T383]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.666179][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.666180][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.666184][  T383]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.666186][  T383]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.666190][  T383]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.666192][  T383]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.666195][  T383]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.666201][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.666203][  T383]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.666207][  T383]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.666211][  T383]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.666213][  T383]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.666218][  T383]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.666221][  T383]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.666225][  T383]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.666231][  T383]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.666233][  T383]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.666235][  T383]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.666237][  T383]  ? move_addr_to_kernel (net/socket.c:258)
[   15.666245][  T383]  ___sys_sendmsg (net/socket.c:2767)
[   15.666247][  T383]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.666267][  T383]  __sys_sendmsg (net/socket.c:2799)
[   15.666270][  T383]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.666276][  T383]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.666280][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.666282][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.666285][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.666288][  T383] RIP: 0033:0x7faa989fa54e
[   15.666291][  T383] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.666293][  T383] RSP: 002b:00007ffc859f6430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.666296][  T383] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007faa989fa54e
[   15.666297][  T383] RDX: 0000000000000000 RSI: 00007ffc859f64e0 RDI: 0000000000000005
[   15.666298][  T383] RBP: 00007ffc859f6440 R08: 0000000000000000 R09: 0000000000000000
[   15.666299][  T383] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918d4d
[   15.666300][  T383] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc859f6ba0
| [   25.442896][   T71] softirqs last disabled at (44004): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.442900][   T71] Preemption disabled at:
| [   25.442901][   T71] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.442911][   T71] Tainted: [W]=WARN
[   25.442912][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.442913][   T71] Workqueue: netns cleanup_net
[   25.442917][   T71] Call Trace:
[   25.442919][   T71]  <TASK>
[   25.442921][   T71]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.442927][   T71]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.442930][   T71]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.442934][   T71]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.442938][   T71]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.442943][   T71]  __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))
[   25.442946][   T71]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.442951][   T71]  ? 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)
[   25.442954][   T71]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.442957][   T71]  put_chars (drivers/char/virtio_console.c:1176)
[   25.442960][   T71]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.442964][   T71]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.442969][   T71]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.442971][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.442973][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.442978][   T71]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.442979][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.442982][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.442986][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.442990][   T71]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.442994][   T71]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.442996][   T71]  ? 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))
[   25.442999][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.443002][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.443006][   T71]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.443010][   T71]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.443012][   T71]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.443017][   T71]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.443020][   T71]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.443021][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.443024][   T71]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.443027][   T71]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.443029][   T71]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.443033][   T71]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.443036][   T71]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.443038][   T71]  ? process_one_work (kernel/workqueue.c:3387)
[   25.443040][   T71]  ? kthread (kernel/kthread.c:436)
[   25.443042][   T71]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.443044][   T71]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.443049][   T71]  _printk (kernel/printk/printk.c:2504)
[   25.443053][   T71]  ? snapshot_read.cold (user.c:?)
[   25.443058][   T71]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.443061][   T71]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.443065][   T71]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.443067][   T71]  ? netdev_notice (net/core/dev.c:13194)
[   25.443071][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.443074][   T71]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.443077][   T71]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.443078][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.443080][   T71]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.443083][   T71]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.443088][   T71]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.443092][   T71] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.443106][   T71] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.443115][   T71] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.443123][   T71]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.443127][   T71]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.443131][   T71]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.443132][   T71]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.443135][   T71]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.443140][   T71]  cleanup_net (net/core/net_namespace.c:706)
[   25.443143][   T71]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.443147][   T71]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.443149][   T71]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.443153][   T71]  process_one_work (kernel/workqueue.c:3387)
[   25.443160][   T71]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.443162][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.443170][   T71]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.443174][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.443176][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.443179][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.443181][   T71]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.443183][   T71]  kthread (kernel/kthread.c:436)
[   25.443185][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.443188][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.443191][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.443193][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.443196][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.443200][   T71]  ? kthread_affine_preferred (kernel/kthread.c:857)


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