======================================
| [   12.603197][  T264] softirqs last disabled at (24217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   12.603200][  T264] Preemption disabled at:
| [   12.603200][  T264] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.603209][  T264] Tainted: [W]=WARN
[   12.603210][  T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.603212][  T264] Call Trace:
[   12.603214][  T264]  <TASK>
[   12.603215][  T264]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.603221][  T264]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.603223][  T264]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.603228][  T264]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.603231][  T264]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.603237][  T264]  __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))
[   12.603239][  T264]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.603244][  T264]  ? 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)
[   12.603247][  T264]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.603250][  T264]  put_chars (drivers/char/virtio_console.c:1176)
[   12.603253][  T264]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.603257][  T264]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   12.603261][  T264]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.603263][  T264]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.603265][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603267][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603270][  T264]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.603272][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.603276][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603280][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.603284][  T264]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.603287][  T264]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.603289][  T264]  ? 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))
[   12.603292][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603294][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.603298][  T264]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.603302][  T264]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.603304][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603309][  T264]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.603311][  T264]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.603313][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603315][  T264]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.603319][  T264]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.603321][  T264]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.603324][  T264]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.603328][  T264]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.603330][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.603332][  T264]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.603336][  T264]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.603340][  T264]  _printk (kernel/printk/printk.c:2504)
[   12.603343][  T264]  ? snapshot_read.cold (user.c:?)
[   12.603347][  T264]  ? br_multicast_flood (??:?) bridge
[   12.603360][  T264]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.603361][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.603362][  T264]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.603366][  T264] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.603376][  T264] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.603385][  T264] new_nbp (net/bridge/br_if.c:449) bridge
[   12.603394][  T264] br_add_if (net/bridge/br_if.c:592) bridge
[   12.603401][  T264]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.603405][  T264]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.603407][  T264]  ? __kernel_text_address (kernel/extable.c:79)
[   12.603411][  T264]  do_set_master (net/core/rtnetlink.c:3071)
[   12.603416][  T264]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.603419][  T264]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.603422][  T264]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.603423][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.603426][  T264]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.603429][  T264]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.603432][  T264]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.603433][  T264]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.603436][  T264]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.603439][  T264]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.603441][  T264]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.603443][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603445][  T264]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   12.603448][  T264]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.603453][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.603455][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.603458][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603460][  T264]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.603462][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603463][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603466][  T264]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.603470][  T264]  ? __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)
[   12.603471][  T264]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.603473][  T264]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.603477][  T264]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.603478][  T264]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.603483][  T264]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.603488][  T264]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.603493][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.603495][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603499][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.603501][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.603503][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.603505][  T264]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.603508][  T264]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.603510][  T264]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.603513][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.603514][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603519][  T264]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.603521][  T264]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.603524][  T264]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.603525][  T264]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.603528][  T264]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.603534][  T264]  ? 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))
[   12.603536][  T264]  ? 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))
[   12.603540][  T264]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.603543][  T264]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.603546][  T264]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.603550][  T264]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.603553][  T264]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.603557][  T264]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.603562][  T264]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.603564][  T264]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.603566][  T264]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.603568][  T264]  ? move_addr_to_kernel (net/socket.c:258)
[   12.603575][  T264]  ___sys_sendmsg (net/socket.c:2767)
[   12.603579][  T264]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.603594][  T264]  __sys_sendmsg (net/socket.c:2799)
[   12.603597][  T264]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.603603][  T264]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.603606][  T264]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.603608][  T264]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.603611][  T264]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.603613][  T264] RIP: 0033:0x7f07f451354e
[   12.603617][  T264] 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
[   12.603619][  T264] RSP: 002b:00007ffdb13b32a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.603621][  T264] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f07f451354e
[   12.603623][  T264] RDX: 0000000000000000 RSI: 00007ffdb13b3350 RDI: 0000000000000005
[   12.603624][  T264] RBP: 00007ffdb13b32b0 R08: 0000000000000000 R09: 0000000000000000
[   12.603625][  T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e29
[   12.603625][  T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb13b3a10
| [   14.185200][  T312] softirqs last disabled at (23784): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.185203][  T312] Preemption disabled at:
| [   14.185204][  T312] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.185216][  T312] Tainted: [W]=WARN
[   14.185218][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.185220][  T312] Call Trace:
[   14.185222][  T312]  <TASK>
[   14.185224][  T312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.185232][  T312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.185235][  T312]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.185241][  T312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.185247][  T312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.185254][  T312]  __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))
[   14.185258][  T312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.185266][  T312]  ? 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)
[   14.185270][  T312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.185275][  T312]  put_chars (drivers/char/virtio_console.c:1176)
[   14.185278][  T312]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.185282][  T312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.185287][  T312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.185293][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.185296][  T312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.185302][  T312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.185306][  T312]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.185309][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185312][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185319][  T312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.185322][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.185328][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185332][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.185339][  T312]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.185345][  T312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.185347][  T312]  ? 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))
[   14.185353][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185357][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.185364][  T312]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.185371][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.185373][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185383][  T312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.185387][  T312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.185390][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185394][  T312]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.185400][  T312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.185403][  T312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.185408][  T312]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.185415][  T312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.185419][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.185424][  T312]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.185430][  T312]  _printk (kernel/printk/printk.c:2504)
[   14.185435][  T312]  ? snapshot_read.cold (user.c:?)
[   14.185442][  T312]  ? br_multicast_flood (??:?) bridge
[   14.185461][  T312]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.185463][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.185465][  T312]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.185473][  T312] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.185491][  T312] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.185506][  T312] new_nbp (net/bridge/br_if.c:449) bridge
[   14.185522][  T312] br_add_if (net/bridge/br_if.c:592) bridge
[   14.185535][  T312]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.185540][  T312]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.185544][  T312]  ? __kernel_text_address (kernel/extable.c:79)
[   14.185551][  T312]  do_set_master (net/core/rtnetlink.c:3071)
[   14.185559][  T312]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.185564][  T312]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.185568][  T312]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.185570][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.185573][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.185578][  T312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.185582][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.185585][  T312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.185589][  T312]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.185593][  T312]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.185595][  T312]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.185600][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185603][  T312]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   14.185607][  T312]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.185614][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.185617][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.185622][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185626][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.185628][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185630][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185634][  T312]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.185639][  T312]  ? __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)
[   14.185643][  T312]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.185647][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.185653][  T312]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.185655][  T312]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.185664][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.185674][  T312]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.185684][  T312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.185687][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185695][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.185697][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.185701][  T312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.185704][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.185710][  T312]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.185713][  T312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.185719][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.185721][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185729][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.185732][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.185739][  T312]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.185742][  T312]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.185747][  T312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.185759][  T312]  ? 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))
[   14.185761][  T312]  ? 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))
[   14.185769][  T312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.185776][  T312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.185781][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.185788][  T312]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.185795][  T312]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.185802][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.185811][  T312]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.185815][  T312]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.185819][  T312]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.185821][  T312]  ? move_addr_to_kernel (net/socket.c:258)
[   14.185836][  T312]  ___sys_sendmsg (net/socket.c:2767)
[   14.185840][  T312]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.185878][  T312]  __sys_sendmsg (net/socket.c:2799)
[   14.185883][  T312]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.185894][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.185901][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.185904][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.185909][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.185913][  T312] RIP: 0033:0x7f825a59b54e
[   14.185917][  T312] 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
[   14.185920][  T312] RSP: 002b:00007ffc0bb3c780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.185924][  T312] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f825a59b54e
[   14.185926][  T312] RDX: 0000000000000000 RSI: 00007ffc0bb3c830 RDI: 0000000000000005
[   14.185928][  T312] RBP: 00007ffc0bb3c790 R08: 0000000000000000 R09: 0000000000000000
[   14.185929][  T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e2b
[   14.185931][  T312] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0bb3cef0
| [   15.385134][  T349] softirqs last disabled at (12186): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.385137][  T349] Preemption disabled at:
| [   15.385137][  T349] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.385146][  T349] Tainted: [W]=WARN
[   15.385147][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.385149][  T349] Call Trace:
[   15.385151][  T349]  <TASK>
[   15.385153][  T349]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.385158][  T349]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.385161][  T349]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.385165][  T349]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.385169][  T349]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.385174][  T349]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.385177][  T349]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.385182][  T349]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.385185][  T349]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.385188][  T349]  put_chars (drivers/char/virtio_console.c:1176)
[   15.385190][  T349]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.385192][  T349]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.385195][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.385200][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.385202][  T349]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.385206][  T349]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.385208][  T349]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.385210][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385212][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385216][  T349]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.385218][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.385221][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385224][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.385228][  T349]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.385232][  T349]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.385234][  T349]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   15.385237][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385239][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.385244][  T349]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.385248][  T349]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.385250][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385255][  T349]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.385258][  T349]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.385260][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385262][  T349]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.385266][  T349]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.385268][  T349]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.385271][  T349]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.385275][  T349]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.385278][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.385280][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.385284][  T349]  _printk (kernel/printk/printk.c:2504)
[   15.385288][  T349]  ? snapshot_read.cold (user.c:?)
[   15.385292][  T349]  ? br_multicast_flood (??:?) bridge
[   15.385305][  T349]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.385306][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.385308][  T349]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.385312][  T349] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.385323][  T349] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.385331][  T349] new_nbp (net/bridge/br_if.c:449) bridge
[   15.385341][  T349] br_add_if (net/bridge/br_if.c:592) bridge
[   15.385349][  T349]  ? kvm_clock_get_cycles (arch/x86/kernel/kvmclock.c:80 (discriminator 1) arch/x86/kernel/kvmclock.c:87 (discriminator 1))
[   15.385352][  T349]  ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004)
[   15.385358][  T349]  do_set_master (net/core/rtnetlink.c:3071)
[   15.385363][  T349]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.385367][  T349]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.385368][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.385371][  T349]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.385372][  T349]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.385376][  T349]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   15.385377][  T349]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   15.385379][  T349]  ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527)
[   15.385381][  T349]  ? irqentry_enter (./include/linux/irq-entry-common.h:439 kernel/entry/common.c:120)
[   15.385383][  T349]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.385385][  T349]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.385393][  T349]  ? lock_acquire.part.0 (./arch/x86/include/asm/irqflags.h:158 (discriminator 1) kernel/locking/lockdep.c:5912 (discriminator 1))
[   15.385396][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385399][  T349]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.385400][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385402][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385405][  T349]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.385408][  T349]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.385411][  T349]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.385413][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.385416][  T349]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.385418][  T349]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.385424][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.385429][  T349]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.385435][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.385437][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385441][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.385443][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.385445][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.385447][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.385451][  T349]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.385453][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.385456][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.385457][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385462][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.385463][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.385467][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.385470][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.385473][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.385479][  T349]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.385481][  T349]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.385485][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.385489][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.385491][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.385496][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.385499][  T349]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.385503][  T349]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.385508][  T349]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.385512][  T349]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.385514][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.385516][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   15.385523][  T349]  ___sys_sendmsg (net/socket.c:2767)
[   15.385526][  T349]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.385542][  T349]  __sys_sendmsg (net/socket.c:2799)
[   15.385545][  T349]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.385551][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.385555][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.385557][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.385559][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.385562][  T349] RIP: 0033:0x7fcb7456754e
[   15.385565][  T349] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.385567][  T349] RSP: 002b:00007ffddba44f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.385570][  T349] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcb7456754e
[   15.385571][  T349] RDX: 0000000000000000 RSI: 00007ffddba45010 RDI: 0000000000000005
[   15.385572][  T349] RBP: 00007ffddba44f70 R08: 0000000000000000 R09: 0000000000000000
[   15.385573][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e2c
[   15.385574][  T349] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddba456d0
| [   25.306201][   T12] softirqs last disabled at (32764): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan
| [   25.306206][   T12] Preemption disabled at:
| [   25.306207][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.306217][   T12] Tainted: [W]=WARN
[   25.306217][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.306219][   T12] Workqueue: netns cleanup_net
[   25.306222][   T12] Call Trace:
[   25.306224][   T12]  <TASK>
[   25.306226][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.306231][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.306234][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.306238][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.306242][   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)
[   25.306248][   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))
[   25.306250][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.306256][   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)
[   25.306258][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.306262][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.306264][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.306268][   T12]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   25.306273][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.306275][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.306277][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.306282][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.306283][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.306286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.306290][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.306294][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.306298][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.306300][   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))
[   25.306303][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.306306][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.306310][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.306314][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.306316][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.306321][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.306324][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.306326][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.306328][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.306332][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.306334][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.306337][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.306341][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.306343][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   25.306345][   T12]  ? kthread (kernel/kthread.c:436)
[   25.306347][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   25.306349][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   25.306354][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.306357][   T12]  ? snapshot_read.cold (user.c:?)
[   25.306362][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.306365][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.306369][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.306371][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.306375][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.306378][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   25.306381][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   25.306382][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.306384][   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)
[   25.306388][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   25.306392][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   25.306396][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   25.306411][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   25.306420][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   25.306429][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   25.306433][   T12]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   25.306437][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   25.306439][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.306442][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   25.306447][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   25.306450][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.306454][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.306456][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.306460][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.306467][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.306470][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.306477][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.306484][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.306486][   T12]  kthread (kernel/kthread.c:436)
[   25.306488][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.306491][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.306494][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.306496][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.306500][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.306503][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.306506][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.356241][  T484] softirqs last disabled at (10945): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.356244][  T484] Preemption disabled at:
| [   26.356244][  T484] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.356253][  T484] Tainted: [W]=WARN
[   26.356254][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.356256][  T484] Call Trace:
[   26.356257][  T484]  <TASK>
[   26.356259][  T484]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.356264][  T484]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.356267][  T484]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.356271][  T484]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.356275][  T484]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.356280][  T484]  __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))
[   26.356282][  T484]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.356288][  T484]  ? 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)
[   26.356291][  T484]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.356294][  T484]  put_chars (drivers/char/virtio_console.c:1176)
[   26.356296][  T484]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.356298][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.356302][  T484]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.356308][  T484]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.356314][  T484]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.356316][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356318][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.356322][  T484]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.356326][  T484]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.356328][  T484]  ? 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))
[   26.356331][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356333][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.356337][  T484]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.356341][  T484]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.356343][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.356348][  T484]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.356351][  T484]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.356353][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356355][  T484]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.356359][  T484]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.356361][  T484]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.356364][  T484]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.356368][  T484]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.356370][  T484]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.356371][  T484]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.356374][  T484]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.356375][  T484]  ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.356378][  T484]  ? ___sys_sendmsg (net/socket.c:2767)
[   26.356380][  T484]  ? __sys_sendmsg (net/socket.c:2799)
[   26.356382][  T484]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.356387][  T484]  _printk (kernel/printk/printk.c:2504)
[   26.356390][  T484]  ? snapshot_read.cold (user.c:?)
[   26.356394][  T484]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.356397][  T484]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.356401][  T484]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.356403][  T484]  ? netdev_notice (net/core/dev.c:13194)
[   26.356407][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356409][  T484]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   26.356412][  T484]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   26.356413][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.356416][  T484]  ? 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)
[   26.356419][  T484]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   26.356423][  T484]  dev_set_allmulti (net/core/dev_api.c:315)
[   26.356427][  T484] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   26.356440][  T484]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   26.356446][  T484] br_del_if (net/bridge/br_if.c:732) bridge
[   26.356453][  T484]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.356456][  T484]  do_set_master (net/core/rtnetlink.c:3055)
[   26.356461][  T484]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   26.356464][  T484]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   26.356467][  T484]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   26.356468][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.356471][  T484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.356474][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.356477][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.356479][  T484]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.356481][  T484]  ? kasan_save_stack (mm/kasan/common.c:58)
[   26.356484][  T484]  ? kasan_save_stack (mm/kasan/common.c:57)
[   26.356486][  T484]  ? kasan_save_track (mm/kasan/common.c:78)
[   26.356488][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.356490][  T484]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   26.356492][  T484]  ? ___sys_sendmsg (net/socket.c:2757)
[   26.356496][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.356498][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.356500][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356502][  T484]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.356504][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356506][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356508][  T484]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   26.356511][  T484]  ? __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)
[   26.356513][  T484]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   26.356515][  T484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   26.356518][  T484]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   26.356520][  T484]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.356525][  T484]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   26.356530][  T484]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   26.356535][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.356537][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.356541][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.356543][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.356545][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.356547][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.356551][  T484]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   26.356553][  T484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   26.356556][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.356557][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.356561][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.356563][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.356566][  T484]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   26.356568][  T484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.356571][  T484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.356580][  T484]  ? 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))
[   26.356582][  T484]  ? 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))
[   26.356586][  T484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.356590][  T484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.356592][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.356597][  T484]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   26.356600][  T484]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   26.356604][  T484]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   26.356609][  T484]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   26.356611][  T484]  ? copy_msghdr_from_user (net/socket.c:2650)
[   26.356614][  T484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   26.356615][  T484]  ? move_addr_to_kernel (net/socket.c:258)
[   26.356623][  T484]  ___sys_sendmsg (net/socket.c:2767)
[   26.356625][  T484]  ? copy_msghdr_from_user (net/socket.c:2619)
[   26.356641][  T484]  __sys_sendmsg (net/socket.c:2799)
[   26.356644][  T484]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   26.356650][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.356654][  T484]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   26.356655][  T484]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   26.356658][  T484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.356660][  T484] RIP: 0033:0x7f554fe5754e
[   26.356663][  T484] 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
[   26.356665][  T484] RSP: 002b:00007ffd33e14f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.356668][  T484] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f554fe5754e
[   26.356669][  T484] RDX: 0000000000000000 RSI: 00007ffd33e15000 RDI: 0000000000000005
[   26.356670][  T484] RBP: 00007ffd33e14f60 R08: 0000000000000000 R09: 0000000000000000
[   26.356671][  T484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a918e37


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