======================================
| [   10.158612][  T187] softirqs last disabled at (51413): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.158614][  T187] Preemption disabled at:
| [   10.158615][  T187] 0x0
| [   10.158625][  T187] Tainted: [W]=WARN
[   10.158626][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.158628][  T187] Call Trace:
[   10.158629][  T187]  <TASK>
[   10.158631][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.158637][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.158642][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.158646][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.158651][  T187]  __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))
[   10.158653][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.158659][  T187]  ? 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)
[   10.158662][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.158665][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.158668][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.158669][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.158674][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.158679][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.158685][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.158687][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.158690][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.158694][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.158699][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.158701][  T187]  ? 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))
[   10.158704][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.158706][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.158710][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.158714][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.158716][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.158721][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.158724][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.158726][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.158728][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.158732][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.158734][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.158737][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.158741][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.158744][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.158748][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.158752][  T187]  ? snapshot_read.cold (user.c:?)
[   10.158754][  T187]  ? 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)
[   10.158757][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.158761][  T187]  ? 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)
[   10.158763][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.158767][  T187]  ? exit_notify (kernel/exit.c:780)
[   10.158769][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.158775][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.158779][  T187]  do_group_exit (kernel/exit.c:1151)
[   10.158782][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.158783][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.158786][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.158789][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.158792][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.158794][  T187] RIP: 0033:0x7fb0446e81b8
[   10.158796][  T187] Code: Unable to access opcode bytes at 0x7fb0446e818e.

Code starting with the faulting instruction
===========================================
[   10.158797][  T187] RSP: 002b:00007fffc64724a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.158800][  T187] RAX: ffffffffffffffda RBX: 00007fb044818f88 RCX: 00007fb0446e81b8
[   10.158801][  T187] RDX: 00007fb044432fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.158802][  T187] RBP: 00007fffc6472500 R08: 0000000000000000 R09: 0000000000008010
[   10.158803][  T187] R10: 00007fffc64722c0 R11: 0000000000000246 R12: 0000000000000001
[   10.158804][  T187] R13: 0000000000000000 R14: 00007fb044817680 R15: 00007fb044818fa0
| [   11.390416][  T238] softirqs last disabled at (24325): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.390418][  T238] Preemption disabled at:
| [   11.390419][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.390428][  T238] Tainted: [W]=WARN
[   11.390429][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.390431][  T238] Call Trace:
[   11.390432][  T238]  <TASK>
[   11.390434][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.390440][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.390442][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.390446][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.390450][  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)
[   11.390455][  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))
[   11.390457][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.390463][  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)
[   11.390466][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.390469][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   11.390471][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.390473][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.390477][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.390480][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.390484][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.390486][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.390491][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.390494][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.390498][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.390502][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.390504][  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))
[   11.390507][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.390509][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.390512][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.390516][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.390518][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.390523][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.390526][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.390527][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.390530][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.390533][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.390535][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.390538][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.390542][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.390547][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   11.390551][  T238]  _printk (kernel/printk/printk.c:2504)
[   11.390554][  T238]  ? snapshot_read.cold (user.c:?)
[   11.390560][  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)
[   11.390563][  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
[   11.390566][  T238]  do_one_initcall (init/main.c:1357)
[   11.390569][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   11.390573][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   11.390576][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   11.390581][  T238]  do_init_module (kernel/module/main.c:3117)
[   11.390584][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.390589][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   11.390592][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   11.390595][  T238]  load_module (kernel/module/main.c:3593)
[   11.390602][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   11.390606][  T238]  ? __ia32_sys_fsconfig (??:?)
[   11.390609][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   11.390613][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   11.390616][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.390619][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   11.390622][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   11.390630][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.390633][  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)
[   11.390636][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   11.390639][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   11.390645][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.390648][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   11.390653][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   11.390655][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.390659][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.390661][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.390663][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.390666][  T238] RIP: 0033:0x7f0e68f8037d
[   11.390669][  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
[   11.390670][  T238] RSP: 002b:00007ffff8290598 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   11.390673][  T238] RAX: ffffffffffffffda RBX: 000056198c312810 RCX: 00007f0e68f8037d
[   11.390674][  T238] RDX: 0000000000000000 RSI: 00005619512bdffd RDI: 0000000000000000
[   11.390675][  T238] RBP: 00007ffff8290630 R08: 0000000000000000 R09: 0000000000000000
[   11.390676][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 00005619512bdffd
[   11.390677][  T238] R13: 000056198c312960 R14: 0000000000040000 R15: 0000000000000000
| [   12.686105][  T285] softirqs last disabled at (13232): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.686108][  T285] Preemption disabled at:
| [   12.686109][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.686117][  T285] Tainted: [W]=WARN
[   12.686118][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.686120][  T285] Call Trace:
[   12.686121][  T285]  <TASK>
[   12.686123][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.686129][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.686131][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.686135][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.686139][  T285]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.686144][  T285]  __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))
[   12.686147][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.686152][  T285]  ? 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)
[   12.686155][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.686158][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   12.686161][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.686165][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.686168][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.686171][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.686173][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686174][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686178][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.686180][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.686183][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686187][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.686191][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.686195][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.686196][  T285]  ? 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))
[   12.686199][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686202][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.686206][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.686210][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.686211][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686216][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.686219][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.686221][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686223][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.686227][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.686228][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.686232][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.686235][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.686238][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.686239][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.686244][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.686247][  T285]  _printk (kernel/printk/printk.c:2504)
[   12.686251][  T285]  ? snapshot_read.cold (user.c:?)
[   12.686254][  T285]  ? br_multicast_flood (??:?) bridge
[   12.686267][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.686268][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.686269][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.686274][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.686283][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.686291][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   12.686300][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   12.686307][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.686311][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.686314][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   12.686318][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   12.686322][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.686325][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.686328][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.686329][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.686332][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.686335][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.686338][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.686340][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.686342][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.686345][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.686347][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.686349][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686351][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.686354][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.686359][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.686360][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.686363][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686365][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.686367][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686368][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686371][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.686374][  T285]  ? __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)
[   12.686376][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.686378][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.686381][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.686383][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.686388][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.686393][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.686398][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.686400][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686404][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.686406][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.686408][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.686410][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.686413][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.686415][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.686418][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.686419][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686424][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.686425][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.686429][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.686431][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.686433][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.686439][  T285]  ? 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))
[   12.686441][  T285]  ? 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))
[   12.686445][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.686448][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.686451][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.686455][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.686459][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.686462][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.686467][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.686470][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.686472][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.686473][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.686480][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   12.686483][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.686498][  T285]  __sys_sendmsg (net/socket.c:2799)
[   12.686501][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.686507][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.686511][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.686513][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.686516][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.686519][  T285] RIP: 0033:0x7fb630f9154e
[   12.686522][  T285] 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
[   12.686524][  T285] RSP: 002b:00007ffd2e5ebb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.686527][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb630f9154e
[   12.686528][  T285] RDX: 0000000000000000 RSI: 00007ffd2e5ebbf0 RDI: 0000000000000005
[   12.686529][  T285] RBP: 00007ffd2e5ebb50 R08: 0000000000000000 R09: 0000000000000000
[   12.686530][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910e6b
[   12.686530][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd2e5ec2b0
| [   14.492895][  T345] softirqs last disabled at (12684): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.492898][  T345] Preemption disabled at:
| [   14.492899][  T345] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.492908][  T345] Tainted: [W]=WARN
[   14.492909][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.492910][  T345] Call Trace:
[   14.492912][  T345]  <TASK>
[   14.492913][  T345]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.492919][  T345]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.492922][  T345]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.492927][  T345]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.492931][  T345]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.492936][  T345]  __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))
[   14.492938][  T345]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.492944][  T345]  ? 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)
[   14.492947][  T345]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.492950][  T345]  put_chars (drivers/char/virtio_console.c:1176)
[   14.492952][  T345]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.492954][  T345]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.492956][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.492961][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.492963][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.492967][  T345]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.492970][  T345]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.492971][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.492973][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.492977][  T345]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.492979][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.492982][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.492984][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.492988][  T345]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.492992][  T345]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.492994][  T345]  ? 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))
[   14.492997][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.492999][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.493003][  T345]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.493007][  T345]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.493009][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.493014][  T345]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.493017][  T345]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.493018][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493021][  T345]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.493024][  T345]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.493026][  T345]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.493029][  T345]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.493033][  T345]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.493036][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.493038][  T345]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.493042][  T345]  _printk (kernel/printk/printk.c:2504)
[   14.493046][  T345]  ? snapshot_read.cold (user.c:?)
[   14.493049][  T345]  ? br_multicast_flood (??:?) bridge
[   14.493062][  T345]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.493063][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.493064][  T345]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.493069][  T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.493078][  T345] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.493087][  T345] new_nbp (net/bridge/br_if.c:449) bridge
[   14.493096][  T345] br_add_if (net/bridge/br_if.c:592) bridge
[   14.493102][  T345]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.493106][  T345]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.493110][  T345]  ? __kernel_text_address (kernel/extable.c:79)
[   14.493113][  T345]  do_set_master (net/core/rtnetlink.c:3071)
[   14.493118][  T345]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.493121][  T345]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.493124][  T345]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.493126][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.493128][  T345]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.493131][  T345]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.493134][  T345]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.493135][  T345]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.493138][  T345]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.493141][  T345]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.493142][  T345]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.493145][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.493147][  T345]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.493150][  T345]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.493154][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.493156][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.493158][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493161][  T345]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.493162][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493164][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493166][  T345]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.493170][  T345]  ? __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)
[   14.493173][  T345]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.493175][  T345]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.493179][  T345]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.493180][  T345]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.493185][  T345]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.493190][  T345]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.493195][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.493197][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.493201][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.493203][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.493205][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.493207][  T345]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.493211][  T345]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.493213][  T345]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.493216][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.493217][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.493221][  T345]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.493223][  T345]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.493227][  T345]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.493228][  T345]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.493231][  T345]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.493237][  T345]  ? 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))
[   14.493239][  T345]  ? 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))
[   14.493243][  T345]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.493247][  T345]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.493249][  T345]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.493253][  T345]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.493257][  T345]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.493261][  T345]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.493266][  T345]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.493268][  T345]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.493270][  T345]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.493272][  T345]  ? move_addr_to_kernel (net/socket.c:258)
[   14.493279][  T345]  ___sys_sendmsg (net/socket.c:2767)
[   14.493282][  T345]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.493297][  T345]  __sys_sendmsg (net/socket.c:2799)
[   14.493300][  T345]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.493306][  T345]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.493310][  T345]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.493312][  T345]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.493315][  T345]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.493317][  T345] RIP: 0033:0x7f3d83acc54e
[   14.493321][  T345] 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
[   14.493323][  T345] RSP: 002b:00007ffeb208e650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.493326][  T345] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3d83acc54e
[   14.493327][  T345] RDX: 0000000000000000 RSI: 00007ffeb208e700 RDI: 0000000000000005
[   14.493328][  T345] RBP: 00007ffeb208e660 R08: 0000000000000000 R09: 0000000000000000
[   14.493329][  T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910e6d
[   14.493330][  T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb208edc0
| [   16.202147][  T399] softirqs last disabled at (13316): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   16.202149][  T399] Preemption disabled at:
| [   16.202150][  T399] vprintk_emit (kernel/printk/printk.c:2471)
| [   16.202159][  T399] Tainted: [W]=WARN
[   16.202160][  T399] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.202161][  T399] Call Trace:
[   16.202163][  T399]  <TASK>
[   16.202164][  T399]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.202171][  T399]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   16.202173][  T399]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.202177][  T399]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.202181][  T399]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.202187][  T399]  __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))
[   16.202189][  T399]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.202194][  T399]  ? 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)
[   16.202197][  T399]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.202200][  T399]  put_chars (drivers/char/virtio_console.c:1176)
[   16.202202][  T399]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   16.202204][  T399]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.202208][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.202212][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.202214][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.202218][  T399]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.202221][  T399]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   16.202223][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202224][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202228][  T399]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.202230][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   16.202234][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202236][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.202240][  T399]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.202244][  T399]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.202246][  T399]  ? 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))
[   16.202249][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202251][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.202255][  T399]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.202259][  T399]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.202261][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202266][  T399]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.202269][  T399]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.202271][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202273][  T399]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.202277][  T399]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.202278][  T399]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.202282][  T399]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.202286][  T399]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.202288][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.202291][  T399]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.202295][  T399]  _printk (kernel/printk/printk.c:2504)
[   16.202299][  T399]  ? snapshot_read.cold (user.c:?)
[   16.202302][  T399]  ? br_multicast_flood (??:?) bridge
[   16.202315][  T399]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.202317][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.202318][  T399]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.202322][  T399] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   16.202332][  T399] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   16.202341][  T399] new_nbp (net/bridge/br_if.c:449) bridge
[   16.202350][  T399] br_add_if (net/bridge/br_if.c:592) bridge
[   16.202357][  T399]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   16.202361][  T399]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   16.202364][  T399]  ? __kernel_text_address (kernel/extable.c:79)
[   16.202368][  T399]  do_set_master (net/core/rtnetlink.c:3071)
[   16.202373][  T399]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   16.202376][  T399]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.202379][  T399]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.202380][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.202382][  T399]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.202385][  T399]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.202388][  T399]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.202390][  T399]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.202392][  T399]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.202395][  T399]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.202397][  T399]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.202399][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202401][  T399]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.202404][  T399]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.202409][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.202410][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.202413][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202415][  T399]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.202417][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202419][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202421][  T399]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.202425][  T399]  ? __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)
[   16.202428][  T399]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.202430][  T399]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.202433][  T399]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.202435][  T399]  ? nla_get_range_signed (lib/nlattr.c:270)
[   16.202439][  T399]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.202444][  T399]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.202449][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.202451][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202456][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.202457][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.202460][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.202461][  T399]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.202465][  T399]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.202467][  T399]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.202470][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.202471][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202475][  T399]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.202477][  T399]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.202481][  T399]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.202483][  T399]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.202485][  T399]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.202491][  T399]  ? 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))
[   16.202493][  T399]  ? 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))
[   16.202497][  T399]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.202501][  T399]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.202503][  T399]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.202507][  T399]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.202511][  T399]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.202515][  T399]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.202520][  T399]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.202523][  T399]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.202525][  T399]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.202526][  T399]  ? move_addr_to_kernel (net/socket.c:258)
[   16.202534][  T399]  ___sys_sendmsg (net/socket.c:2767)
[   16.202536][  T399]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.202552][  T399]  __sys_sendmsg (net/socket.c:2799)
[   16.202554][  T399]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.202560][  T399]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.202564][  T399]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.202566][  T399]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.202569][  T399]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.202572][  T399] RIP: 0033:0x7feaa149854e
[   16.202575][  T399] 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
[   16.202577][  T399] RSP: 002b:00007ffe0b3fc740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.202580][  T399] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007feaa149854e
[   16.202581][  T399] RDX: 0000000000000000 RSI: 00007ffe0b3fc7f0 RDI: 0000000000000005
[   16.202582][  T399] RBP: 00007ffe0b3fc750 R08: 0000000000000000 R09: 0000000000000000
[   16.202583][  T399] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910e6f
[   16.202584][  T399] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0b3fceb0
| [   28.101488][    C0] softirqs last disabled at (931465): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   28.101491][    C0] Preemption disabled at:
| [   28.101492][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   28.101504][    C0] Tainted: [W]=WARN
[   28.101506][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.101508][    C0] Call Trace:
[   28.101510][    C0]  <IRQ>
[   28.101512][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.101519][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   28.101522][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.101526][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.101531][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   28.101534][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101539][    C0]  __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))
[   28.101544][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.101548][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.101553][    C0]  ? 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)
[   28.101555][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.101558][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   28.101561][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.101564][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   28.101569][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.101574][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.101576][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101579][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.101582][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.101586][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.101589][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101591][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101594][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.101597][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   28.101600][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.101603][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.101607][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.101610][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.101612][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.101615][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101617][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.101619][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.101622][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.101625][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.101628][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.101632][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.101634][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101637][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   28.101639][    C0]  ? x86_64_start_kernel (arch/x86/kernel/head64.c:264)
[   28.101645][    C0]  _printk (kernel/printk/printk.c:2504)
[   28.101649][    C0]  ? snapshot_read.cold (user.c:?)
[   28.101652][    C0]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   28.101658][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.101661][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   28.101663][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   28.101667][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.101671][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.101674][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.101677][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.101680][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.101683][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101701][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101704][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.101707][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101718][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.101721][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101732][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.101744][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101755][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.101760][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.101762][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.101767][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.101775][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.101778][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101781][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.101784][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.101796][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.101799][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.101803][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.101807][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.101810][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.101812][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.101816][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101818][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.101821][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.101824][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.101827][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.101829][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.101831][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.101835][    C0]  </IRQ>
[   28.101836][    C0]  <TASK>
[   28.101837][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.101839][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.101843][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.101846][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.101849][    C0] RSP: 0018:ffffffffae007cf8 EFLAGS: 00000296
[   28.101853][    C0] RAX: 00000000000e3687 RBX: ffffffffae01c600 RCX: ffffffffab0f0307
[   28.101854][    C0] RDX: ffffffffae01c600 RSI: ffffffffade38b01 RDI: ffffffffad88d8e0
[   28.101856][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.101857][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5c00fa2
[   28.101859][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.101862][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.101867][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.101869][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.101871][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.101874][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.101876][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.101879][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.101882][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.101885][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.101888][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.101890][    C0]  rest_init (init/main.c:727)
[   28.101899][    C0]  ? __cpuidle_text_end (??:?)
[   28.101904][    C0]  ? rest_init (init/main.c:727)
[   28.101906][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.101911][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.101915][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.101918][    C0]  start_kernel (init/main.c:1185)
[   28.101921][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.101925][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.101928][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   28.202901][    C0]
| [   28.203020][    C0]
| [   28.203020][    C0] stack backtrace:
| [   28.203395][    C0] Tainted: [W]=WARN
[   28.203396][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.203398][    C0] Call Trace:
[   28.203400][    C0]  <IRQ>
[   28.203402][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.203407][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   28.203411][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   28.203416][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   28.203419][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   28.203422][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   28.203426][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.203428][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.203444][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.203448][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.203451][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.203462][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   28.203465][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.203476][    C0] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   28.203488][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.203499][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   28.203503][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   28.203505][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   28.203510][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   28.203513][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.203516][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.203519][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   28.203522][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   28.203534][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   28.203537][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.203541][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   28.203545][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   28.203549][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   28.203551][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.203554][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.203557][    C0]  handle_softirqs (kernel/softirq.c:645)
[   28.203561][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   28.203563][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   28.203567][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   28.203569][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   28.203571][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   28.203574][    C0]  </IRQ>
[   28.203575][    C0]  <TASK>
[   28.203576][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   28.203579][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   28.203582][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   28.203585][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   28.203588][    C0] RSP: 0018:ffffffffae007cf8 EFLAGS: 00000296
[   28.203591][    C0] RAX: 00000000000e3687 RBX: ffffffffae01c600 RCX: ffffffffab0f0307
[   28.203593][    C0] RDX: ffffffffae01c600 RSI: ffffffffade38b01 RDI: ffffffffad88d8e0
[   28.203594][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   28.203596][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff5c00fa2
[   28.203597][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   28.203600][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.203603][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   28.203606][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   28.203608][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   28.203611][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   28.203613][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   28.203615][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   28.203619][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.203622][    C0]  do_idle (kernel/sched/idle.c:355)
[   28.203624][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   28.203626][    C0]  rest_init (init/main.c:727)
[   28.203629][    C0]  ? __cpuidle_text_end (??:?)
[   28.203633][    C0]  ? rest_init (init/main.c:727)
[   28.203636][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   28.203641][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   28.203645][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   28.203648][    C0]  start_kernel (init/main.c:1185)
[   28.203651][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   28.203654][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   28.203656][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   29.882799][   T12] softirqs last disabled at (35062): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   29.882801][   T12] Preemption disabled at:
| [   29.882801][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.882814][   T12] Tainted: [W]=WARN
[   29.882815][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.882816][   T12] Workqueue: netns cleanup_net
[   29.882822][   T12] Call Trace:
[   29.882824][   T12]  <TASK>
[   29.882825][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.882831][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.882833][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.882837][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.882840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882844][   T12]  __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))
[   29.882847][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.882850][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.882854][   T12]  ? 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)
[   29.882855][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.882857][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   29.882859][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   29.882861][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.882863][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   29.882865][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.882868][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.882869][   T12]  ? 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)
[   29.882871][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.882873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882874][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882876][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.882878][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.882881][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.882883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882886][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882888][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.882890][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   29.882891][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.882894][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.882896][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.882898][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.882906][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.882907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882909][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   29.882911][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.882912][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   29.882914][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.882916][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.882918][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.882920][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.882922][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   29.882925][   T12]  ? kthread (kernel/kthread.c:436)
[   29.882927][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   29.882929][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   29.882932][   T12]  _printk (kernel/printk/printk.c:2504)
[   29.882935][   T12]  ? snapshot_read.cold (user.c:?)
[   29.882937][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.882940][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.882942][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.882944][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   29.882946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.882948][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   29.882949][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   29.882952][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   29.882953][   T12]  ? 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)
[   29.882956][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   29.882959][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   29.882961][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   29.882974][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   29.882982][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   29.882990][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   29.882992][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   29.882994][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   29.882997][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   29.882999][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   29.883001][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.883002][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.883005][   T12]  process_one_work (kernel/workqueue.c:3387)
[   29.883007][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.883010][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.883012][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   29.883014][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.883017][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.883019][   T12]  kthread (kernel/kthread.c:436)
[   29.883020][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.883022][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.883024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.883025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.883027][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.883029][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars