======================================
| [    9.525405][  T187] softirqs last disabled at (39533): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [    9.525408][  T187] Preemption disabled at:
| [    9.525408][  T187] 0x0
| [    9.525418][  T187] Tainted: [W]=WARN
[    9.525419][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.525421][  T187] Call Trace:
[    9.525422][  T187]  <TASK>
[    9.525424][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.525431][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.525436][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.525440][  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)
[    9.525445][  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))
[    9.525447][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.525453][  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)
[    9.525455][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.525458][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[    9.525461][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.525463][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.525472][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.525477][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.525484][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.525487][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.525491][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.525497][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.525502][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.525505][  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))
[    9.525510][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.525513][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.525520][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.525526][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.525529][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.525539][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.525543][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.525546][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.525549][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.525556][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.525558][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.525563][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.525569][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.525574][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.525580][  T187]  _printk (kernel/printk/printk.c:2504)
[    9.525585][  T187]  ? snapshot_read.cold (user.c:?)
[    9.525590][  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)
[    9.525594][  T187]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[    9.525600][  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)
[    9.525604][  T187]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[    9.525609][  T187]  ? exit_notify (kernel/exit.c:780)
[    9.525612][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.525616][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.525623][  T187]  do_group_exit (kernel/exit.c:1151)
[    9.525628][  T187]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[    9.525631][  T187]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[    9.525634][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.525638][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.525643][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.525646][  T187] RIP: 0033:0x7f11b630b1b8
[    9.525650][  T187] Code: Unable to access opcode bytes at 0x7f11b630b18e.

Code starting with the faulting instruction
===========================================
[    9.525651][  T187] RSP: 002b:00007ffd19e93278 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[    9.525655][  T187] RAX: ffffffffffffffda RBX: 00007f11b643bf88 RCX: 00007f11b630b1b8
[    9.525657][  T187] RDX: 00007f11b6055fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[    9.525658][  T187] RBP: 00007ffd19e932d0 R08: 0000000000000000 R09: 0000000000008010
[    9.525660][  T187] R10: 00007ffd19e93090 R11: 0000000000000246 R12: 0000000000000001
[    9.525661][  T187] R13: 0000000000000000 R14: 00007f11b643a680 R15: 00007f11b643bfa0
| [   10.705307][  T238] softirqs last disabled at (22813): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.705309][  T238] Preemption disabled at:
| [   10.705310][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.705320][  T238] Tainted: [W]=WARN
[   10.705321][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.705323][  T238] Call Trace:
[   10.705325][  T238]  <TASK>
[   10.705326][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.705332][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.705334][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.705338][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.705342][  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)
[   10.705347][  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))
[   10.705349][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.705355][  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)
[   10.705358][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.705361][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   10.705364][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.705365][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705370][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.705373][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.705377][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.705380][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705385][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.705387][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705392][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.705396][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.705397][  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))
[   10.705400][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705403][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.705406][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.705410][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.705412][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.705417][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.705420][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.705421][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705424][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.705427][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.705429][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.705432][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.705436][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.705442][  T238]  ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q
[   10.705446][  T238]  _printk (kernel/printk/printk.c:2504)
[   10.705449][  T238]  ? snapshot_read.cold (user.c:?)
[   10.705455][  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)
[   10.705459][  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
[   10.705462][  T238]  do_one_initcall (init/main.c:1357)
[   10.705464][  T238]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   10.705469][  T238]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   10.705478][  T238]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   10.705482][  T238]  do_init_module (kernel/module/main.c:3117)
[   10.705486][  T238]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.705490][  T238]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   10.705493][  T238]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   10.705497][  T238]  load_module (kernel/module/main.c:3593)
[   10.705504][  T238]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   10.705508][  T238]  ? __ia32_sys_fsconfig (??:?)
[   10.705511][  T238]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   10.705514][  T238]  ? backing_file_read_iter (fs/backing-file.c:211)
[   10.705517][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.705521][  T238]  init_module_from_file (kernel/module/main.c:3790)
[   10.705524][  T238]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   10.705532][  T238]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.705535][  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)
[   10.705538][  T238]  idempotent_init_module (kernel/module/main.c:3802)
[   10.705542][  T238]  ? init_module_from_file (kernel/module/main.c:3791)
[   10.705548][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.705550][  T238]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   10.705555][  T238]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   10.705558][  T238]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.705561][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.705563][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.705565][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.705568][  T238] RIP: 0033:0x7f71b419237d
[   10.705571][  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
[   10.705573][  T238] RSP: 002b:00007ffc5c9e7678 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   10.705576][  T238] RAX: ffffffffffffffda RBX: 000056500eb02810 RCX: 00007f71b419237d
[   10.705577][  T238] RDX: 0000000000000000 RSI: 0000564ff6549ffd RDI: 0000000000000000
[   10.705578][  T238] RBP: 00007ffc5c9e7710 R08: 0000000000000000 R09: 0000000000000000
[   10.705579][  T238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ff6549ffd
[   10.705580][  T238] R13: 000056500eb02960 R14: 0000000000040000 R15: 0000000000000000
| [   12.094571][  T285] softirqs last disabled at (17828): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.094574][  T285] Preemption disabled at:
| [   12.094574][  T285] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.094584][  T285] Tainted: [W]=WARN
[   12.094585][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.094587][  T285] Call Trace:
[   12.094589][  T285]  <TASK>
[   12.094590][  T285]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.094596][  T285]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.094598][  T285]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.094603][  T285]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.094607][  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)
[   12.094612][  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))
[   12.094614][  T285]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.094620][  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)
[   12.094622][  T285]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.094626][  T285]  put_chars (drivers/char/virtio_console.c:1176)
[   12.094628][  T285]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.094633][  T285]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.094636][  T285]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.094639][  T285]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.094641][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094642][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094646][  T285]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.094648][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.094652][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094655][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094659][  T285]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.094663][  T285]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.094665][  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))
[   12.094668][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094670][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094674][  T285]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.094678][  T285]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.094680][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094685][  T285]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.094688][  T285]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.094690][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094693][  T285]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.094696][  T285]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.094698][  T285]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.094701][  T285]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.094706][  T285]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.094708][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.094710][  T285]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.094714][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.094718][  T285]  _printk (kernel/printk/printk.c:2504)
[   12.094721][  T285]  ? snapshot_read.cold (user.c:?)
[   12.094725][  T285]  ? br_multicast_flood (??:?) bridge
[   12.094738][  T285]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.094739][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.094741][  T285]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.094745][  T285] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.094756][  T285] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.094764][  T285] new_nbp (net/bridge/br_if.c:449) bridge
[   12.094773][  T285] br_add_if (net/bridge/br_if.c:592) bridge
[   12.094780][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.094785][  T285]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.094788][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   12.094791][  T285]  do_set_master (net/core/rtnetlink.c:3071)
[   12.094796][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.094799][  T285]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.094803][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.094804][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.094807][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.094810][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.094813][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.094815][  T285]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.094818][  T285]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.094821][  T285]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.094822][  T285]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.094825][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094827][  T285]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.094830][  T285]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.094834][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094836][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.094839][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094841][  T285]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.094843][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094845][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094847][  T285]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.094851][  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)
[   12.094853][  T285]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.094855][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.094858][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.094860][  T285]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.094865][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.094870][  T285]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.094876][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094877][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094882][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094884][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.094886][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094888][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.094892][  T285]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.094894][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.094897][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.094898][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094902][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.094904][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.094908][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.094910][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.094913][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.094919][  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))
[   12.094920][  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))
[   12.094924][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.094928][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.094931][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.094935][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.094939][  T285]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.094943][  T285]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.094948][  T285]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.094951][  T285]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.094953][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.094955][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   12.094962][  T285]  ___sys_sendmsg (net/socket.c:2767)
[   12.094965][  T285]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.094980][  T285]  __sys_sendmsg (net/socket.c:2799)
[   12.094983][  T285]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.094989][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.094993][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.094996][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.094999][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.095001][  T285] RIP: 0033:0x7f483433654e
[   12.095005][  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
[   12.095007][  T285] RSP: 002b:00007ffc5d551700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.095009][  T285] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f483433654e
[   12.095011][  T285] RDX: 0000000000000000 RSI: 00007ffc5d5517b0 RDI: 0000000000000005
[   12.095012][  T285] RBP: 00007ffc5d551710 R08: 0000000000000000 R09: 0000000000000000
[   12.095012][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eb9
[   12.095013][  T285] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5d551e70
| [   13.514664][  T336] softirqs last disabled at (13631): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   13.514666][  T336] Preemption disabled at:
| [   13.514667][  T336] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.514676][  T336] Tainted: [W]=WARN
[   13.514677][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.514678][  T336] Call Trace:
[   13.514680][  T336]  <TASK>
[   13.514682][  T336]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.514688][  T336]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.514690][  T336]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.514694][  T336]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.514698][  T336]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.514703][  T336]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.514706][  T336]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.514711][  T336]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.514713][  T336]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.514717][  T336]  put_chars (drivers/char/virtio_console.c:1176)
[   13.514718][  T336]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.514721][  T336]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.514723][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.514727][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.514730][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.514733][  T336]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.514736][  T336]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.514738][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514739][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514743][  T336]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.514745][  T336]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.514748][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514751][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.514754][  T336]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.514758][  T336]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.514760][  T336]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.514763][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514765][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.514768][  T336]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.514773][  T336]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.514774][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514779][  T336]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.514782][  T336]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.514784][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514786][  T336]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.514789][  T336]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.514791][  T336]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.514794][  T336]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.514799][  T336]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.514801][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.514804][  T336]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.514807][  T336]  _printk (kernel/printk/printk.c:2504)
[   13.514810][  T336]  ? snapshot_read.cold (user.c:?)
[   13.514814][  T336]  ? br_multicast_flood (??:?) bridge
[   13.514827][  T336]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.514829][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.514830][  T336]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.514834][  T336] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.514844][  T336] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.514852][  T336] new_nbp (net/bridge/br_if.c:449) bridge
[   13.514861][  T336] br_add_if (net/bridge/br_if.c:592) bridge
[   13.514868][  T336]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   13.514872][  T336]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   13.514875][  T336]  ? __kernel_text_address (kernel/extable.c:79)
[   13.514878][  T336]  do_set_master (net/core/rtnetlink.c:3071)
[   13.514883][  T336]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.514886][  T336]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.514889][  T336]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.514890][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.514892][  T336]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.514896][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.514898][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.514900][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.514902][  T336]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.514905][  T336]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.514907][  T336]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.514910][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514911][  T336]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.514914][  T336]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.514919][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.514921][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.514923][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514926][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.514927][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514929][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.514931][  T336]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.514935][  T336]  ? __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)
[   13.514938][  T336]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.514940][  T336]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.514943][  T336]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.514945][  T336]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.514949][  T336]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.514954][  T336]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.514959][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.514961][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514965][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.514967][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.514969][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.514971][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.514974][  T336]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.514976][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.514979][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.514981][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.514985][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.514987][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.514990][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.514992][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.514994][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.515000][  T336]  ? 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))
[   13.515002][  T336]  ? 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))
[   13.515006][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.515009][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.515012][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.515016][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.515019][  T336]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.515023][  T336]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.515028][  T336]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.515031][  T336]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.515033][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.515034][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   13.515042][  T336]  ___sys_sendmsg (net/socket.c:2767)
[   13.515044][  T336]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.515059][  T336]  __sys_sendmsg (net/socket.c:2799)
[   13.515062][  T336]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.515068][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.515072][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.515074][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.515077][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.515079][  T336] RIP: 0033:0x7fbb50ce854e
[   13.515083][  T336] 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
[   13.515085][  T336] RSP: 002b:00007ffdb82d5f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.515088][  T336] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbb50ce854e
[   13.515089][  T336] RDX: 0000000000000000 RSI: 00007ffdb82d5ff0 RDI: 0000000000000005
[   13.515090][  T336] RBP: 00007ffdb82d5f50 R08: 0000000000000000 R09: 0000000000000000
[   13.515091][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eba
[   13.515092][  T336] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb82d66b0
| [   14.789105][  T382] softirqs last disabled at (13294): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.789108][  T382] Preemption disabled at:
| [   14.789108][  T382] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.789118][  T382] Tainted: [W]=WARN
[   14.789119][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.789120][  T382] Call Trace:
[   14.789122][  T382]  <TASK>
[   14.789123][  T382]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.789132][  T382]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.789134][  T382]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.789138][  T382]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.789143][  T382]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.789147][  T382]  __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))
[   14.789150][  T382]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.789155][  T382]  ? 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)
[   14.789157][  T382]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.789160][  T382]  put_chars (drivers/char/virtio_console.c:1176)
[   14.789163][  T382]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.789164][  T382]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.789167][  T382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.789171][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.789174][  T382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.789177][  T382]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.789180][  T382]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.789182][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789183][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789187][  T382]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.789189][  T382]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.789192][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789194][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.789198][  T382]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.789202][  T382]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.789203][  T382]  ? 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))
[   14.789207][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789209][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.789213][  T382]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.789217][  T382]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.789218][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789223][  T382]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.789226][  T382]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.789228][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789230][  T382]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.789234][  T382]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.789235][  T382]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.789238][  T382]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.789242][  T382]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.789245][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.789247][  T382]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.789251][  T382]  _printk (kernel/printk/printk.c:2504)
[   14.789254][  T382]  ? snapshot_read.cold (user.c:?)
[   14.789258][  T382]  ? br_multicast_flood (??:?) bridge
[   14.789272][  T382]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.789274][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.789275][  T382]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.789279][  T382] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.789289][  T382] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.789298][  T382] new_nbp (net/bridge/br_if.c:449) bridge
[   14.789308][  T382] br_add_if (net/bridge/br_if.c:592) bridge
[   14.789315][  T382]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.789319][  T382]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.789322][  T382]  ? __kernel_text_address (kernel/extable.c:79)
[   14.789326][  T382]  do_set_master (net/core/rtnetlink.c:3071)
[   14.789330][  T382]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.789333][  T382]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.789336][  T382]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.789338][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.789340][  T382]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.789343][  T382]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.789346][  T382]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.789347][  T382]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.789350][  T382]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.789353][  T382]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.789355][  T382]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.789357][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789359][  T382]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.789362][  T382]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.789366][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.789368][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.789370][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789373][  T382]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.789374][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789376][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789378][  T382]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.789382][  T382]  ? __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)
[   14.789385][  T382]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.789387][  T382]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.789390][  T382]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.789392][  T382]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.789397][  T382]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.789402][  T382]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.789407][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.789409][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789413][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.789415][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.789417][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.789419][  T382]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.789422][  T382]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.789424][  T382]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.789427][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.789429][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789433][  T382]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.789435][  T382]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.789438][  T382]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.789440][  T382]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.789443][  T382]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.789449][  T382]  ? 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))
[   14.789450][  T382]  ? 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))
[   14.789454][  T382]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.789458][  T382]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.789460][  T382]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.789464][  T382]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.789468][  T382]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.789471][  T382]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.789477][  T382]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.789486][  T382]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.789488][  T382]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.789489][  T382]  ? move_addr_to_kernel (net/socket.c:258)
[   14.789496][  T382]  ___sys_sendmsg (net/socket.c:2767)
[   14.789499][  T382]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.789514][  T382]  __sys_sendmsg (net/socket.c:2799)
[   14.789517][  T382]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.789523][  T382]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.789527][  T382]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.789529][  T382]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.789532][  T382]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.789534][  T382] RIP: 0033:0x7f12c4c4f54e
[   14.789538][  T382] 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
[   14.789539][  T382] RSP: 002b:00007ffe07576c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.789542][  T382] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f12c4c4f54e
[   14.789544][  T382] RDX: 0000000000000000 RSI: 00007ffe07576ce0 RDI: 0000000000000005
[   14.789544][  T382] RBP: 00007ffe07576c40 R08: 0000000000000000 R09: 0000000000000000
[   14.789545][  T382] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ebc
[   14.789546][  T382] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe075773a0
| [   24.622530][   T12] softirqs last disabled at (62180): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   24.622534][   T12] Preemption disabled at:
| [   24.622535][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.622545][   T12] Tainted: [W]=WARN
[   24.622546][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.622547][   T12] Workqueue: netns cleanup_net
[   24.622551][   T12] Call Trace:
[   24.622552][   T12]  <TASK>
[   24.622554][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.622560][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.622562][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.622567][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.622571][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.622576][   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))
[   24.622578][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.622583][   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)
[   24.622586][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.622589][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   24.622592][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.622596][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   24.622600][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.622603][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.622604][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.622609][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.622610][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.622613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.622617][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.622621][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.622625][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.622627][   T12]  ? 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))
[   24.622630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.622632][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.622636][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.622641][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.622642][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.622648][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.622650][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.622652][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.622655][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.622658][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.622660][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.622663][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.622667][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.622669][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   24.622671][   T12]  ? kthread (kernel/kthread.c:436)
[   24.622673][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   24.622676][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   24.622680][   T12]  _printk (kernel/printk/printk.c:2504)
[   24.622684][   T12]  ? snapshot_read.cold (user.c:?)
[   24.622688][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.622691][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.622695][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.622697][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   24.622701][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.622704][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   24.622706][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   24.622708][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.622710][   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)
[   24.622714][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.622718][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.622722][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   24.622736][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   24.622744][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   24.622753][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   24.622757][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.622760][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   24.622762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.622765][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   24.622770][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   24.622773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.622777][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.622779][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.622783][   T12]  process_one_work (kernel/workqueue.c:3387)
[   24.622789][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   24.622792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.622800][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   24.622807][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   24.622809][   T12]  kthread (kernel/kthread.c:436)
[   24.622810][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.622813][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.622816][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.622819][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   24.622822][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.622825][   T12]  ? 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