======================================
| [   11.827973][  T291] softirqs last disabled at (30864): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.827976][  T291] Preemption disabled at:
| [   11.827976][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.827985][  T291] Tainted: [W]=WARN
[   11.827986][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.827988][  T291] Call Trace:
[   11.827989][  T291]  <TASK>
[   11.827991][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.827997][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.827998][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.828003][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.828007][  T291]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.828014][  T291]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.828016][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.828022][  T291]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.828025][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.828029][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   11.828031][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.828034][  T291]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.828039][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.828047][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.828050][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828052][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.828056][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.828060][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.828061][  T291]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.828065][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828066][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.828070][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.828074][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.828076][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.828081][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.828084][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.828086][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828087][  T291]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   11.828091][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.828093][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.828095][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.828098][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.828100][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.828102][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.828106][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.828109][  T291]  _printk (kernel/printk/printk.c:2504)
[   11.828113][  T291]  ? snapshot_read.cold (user.c:?)
[   11.828116][  T291]  ? br_multicast_flood (??:?)
[   11.828120][  T291]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.828121][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.828122][  T291]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.828126][  T291]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.828130][  T291]  br_init_port (net/bridge/br_stp_if.c:39)
[   11.828132][  T291]  new_nbp (net/bridge/br_if.c:449)
[   11.828136][  T291]  br_add_if (net/bridge/br_if.c:592)
[   11.828139][  T291]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.828142][  T291]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.828148][  T291]  do_set_master (net/core/rtnetlink.c:3071)
[   11.828151][  T291]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.828155][  T291]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.828158][  T291]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.828159][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.828162][  T291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.828165][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.828167][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.828169][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.828171][  T291]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.828174][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.828175][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.828176][  T291]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.828178][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.828180][  T291]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   11.828183][  T291]  ? ___sys_sendmsg (net/socket.c:2758)
[   11.828187][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.828188][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.828191][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828193][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.828194][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828195][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828197][  T291]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.828199][  T291]  ? __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)
[   11.828201][  T291]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.828202][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.828206][  T291]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.828207][  T291]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.828212][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828214][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.828219][  T291]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.828224][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.828226][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.828230][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.828232][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.828234][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.828236][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.828240][  T291]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.828242][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.828244][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.828246][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.828250][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.828252][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.828255][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.828258][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.828261][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.828267][  T291]  ? 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))
[   11.828269][  T291]  ? 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))
[   11.828274][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.828277][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.828280][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.828284][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.828288][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.828292][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.828293][  T291]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   11.828298][  T291]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   11.828301][  T291]  ____sys_sendmsg (net/socket.c:2713)
[   11.828303][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.828306][  T291]  ? sock_write_iter (net/socket.c:1269)
[   11.828307][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   11.828314][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   11.828317][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.828332][  T291]  __sys_sendmsg (net/socket.c:2799)
[   11.828335][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.828341][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.828344][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.828347][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.828350][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.828353][  T291] RIP: 0033:0x7f9fd257a54e
[   11.828356][  T291] 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
[   11.828358][  T291] RSP: 002b:00007ffd6548afb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.828360][  T291] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9fd257a54e
[   11.828362][  T291] RDX: 0000000000000000 RSI: 00007ffd6548b060 RDI: 0000000000000005
[   11.828363][  T291] RBP: 00007ffd6548afc0 R08: 0000000000000000 R09: 0000000000000000
[   11.828363][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91bb7d
[   11.828364][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6548b720
| [   12.916806][  T312] softirqs last disabled at (5108): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.916809][  T312] Preemption disabled at:
| [   12.916809][  T312] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.916817][  T312] Tainted: [W]=WARN
[   12.916818][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.916820][  T312] Call Trace:
[   12.916821][  T312]  <TASK>
[   12.916823][  T312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.916829][  T312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.916831][  T312]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.916835][  T312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.916839][  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)
[   12.916844][  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))
[   12.916846][  T312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.916852][  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)
[   12.916855][  T312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.916859][  T312]  put_chars (drivers/char/virtio_console.c:1176)
[   12.916861][  T312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.916864][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.916867][  T312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.916872][  T312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.916876][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.916877][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.916882][  T312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.916885][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.916887][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.916891][  T312]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.916895][  T312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.916897][  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))
[   12.916900][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.916902][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.916906][  T312]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.916910][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.916912][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.916917][  T312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.916920][  T312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.916921][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.916923][  T312]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   12.916927][  T312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.916928][  T312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.916931][  T312]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.916934][  T312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.916936][  T312]  ? netlink_broadcast_filtered (net/netlink/af_netlink.c:1541)
[   12.916939][  T312]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.916942][  T312]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.916945][  T312]  _printk (kernel/printk/printk.c:2504)
[   12.916949][  T312]  ? snapshot_read.cold (user.c:?)
[   12.916950][  T312]  ? __sys_setsockopt (net/socket.c:2422)
[   12.916955][  T312]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.916959][  T312]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.916963][  T312]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.916966][  T312]  ? netdev_notice (net/core/dev.c:13194)
[   12.916967][  T312]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.916973][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.916975][  T312]  ? 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)
[   12.916978][  T312]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   12.916982][  T312]  dev_set_allmulti (net/core/dev_api.c:315)
[   12.916985][  T312]  vif_add (net/ipv4/ipmr.c:900)
[   12.916988][  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)
[   12.916990][  T312]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.916994][  T312]  ? ip_mr_output_finish.isra.0 (net/ipv4/ipmr.c:2310)
[   12.916997][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.916999][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.917004][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.917007][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.917013][  T312]  ip_mroute_setsockopt (net/ipv4/ipmr.c:1497 (discriminator 1))
[   12.917017][  T312]  ? ipmr_rtm_route (net/ipv4/ipmr.c:2973)
[   12.917022][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.917024][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.917028][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.917030][  T312]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.917033][  T312]  do_ip_setsockopt (net/ipv4/ip_sockglue.c:952)
[   12.917037][  T312]  ? ip_sock_set_tos (net/ipv4/ip_sockglue.c:609)
[   12.917039][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.917042][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.917043][  T312]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.917047][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.917049][  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)
[   12.917050][  T312]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.917052][  T312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.917054][  T312]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.917056][  T312]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.917059][  T312]  ip_setsockopt (net/ipv4/ip_sockglue.c:1421)
[   12.917062][  T312]  raw_setsockopt (net/ipv4/raw.c:851)
[   12.917065][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.917067][  T312]  ? raw_bind (net/ipv4/raw.c:733)
[   12.917072][  T312]  do_sock_setsockopt (net/socket.c:2397)
[   12.917075][  T312]  ? put_user_ifreq (./arch/x86/include/asm/compat.h:94 (discriminator 1))
[   12.917076][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.917079][  T312]  ? fd_install (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:971 (discriminator 2) fs/file.c:698 (discriminator 2))
[   12.917083][  T312]  ? fd_install (./include/linux/rcupdate.h:974 (discriminator 1) fs/file.c:698 (discriminator 1))
[   12.917088][  T312]  __sys_setsockopt (net/socket.c:2422)
[   12.917092][  T312]  __x64_sys_setsockopt (net/socket.c:2428 net/socket.c:2425 net/socket.c:2425)
[   12.917094][  T312]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.917098][  T312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.917099][  T312]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   12.917101][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.917103][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.917105][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.917107][  T312] RIP: 0033:0x7f942a5f42de
[   12.917111][  T312] Code: 55 48 63 c9 48 63 ff 45 89 c9 48 89 e5 48 83 ec 08 6a 2c e8 94 72 f7 ff c9 c3 66 90 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 e1
All code
========
   0:	55                   	push   %rbp
   1:	48 63 c9             	movslq %ecx,%rcx
   4:	48 63 ff             	movslq %edi,%rdi
   7:	45 89 c9             	mov    %r9d,%r9d
   a:	48 89 e5             	mov    %rsp,%rbp
   d:	48 83 ec 08          	sub    $0x8,%rsp
  11:	6a 2c                	push   $0x2c
  13:	e8 94 72 f7 ff       	call   0xfffffffffff772ac
  18:	c9                   	leave
  19:	c3                   	ret
  1a:	66 90                	xchg   %ax,%ax
  1c:	f3 0f 1e fa          	endbr64
  20:	49 89 ca             	mov    %rcx,%r10
  23:	b8 36 00 00 00       	mov    $0x36,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 0a                	ja     0x3c
  32:	c3                   	ret
  33:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  3a:	00 00 
  3c:	48                   	rex.W
  3d:	8b                   	.byte 0x8b
  3e:	15                   	.byte 0x15
  3f:	e1                   	.byte 0xe1

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 0a                	ja     0x12
   8:	c3                   	ret
   9:	66 0f 1f 84 00 00 00 	nopw   0x0(%rax,%rax,1)
  10:	00 00 
  12:	48                   	rex.W
  13:	8b                   	.byte 0x8b
  14:	15                   	.byte 0x15
  15:	e1                   	.byte 0xe1
[   12.917112][  T312] RSP: 002b:00007ffc35047d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[   12.917115][  T312] RAX: ffffffffffffffda RBX: 0000561c07fda2c0 RCX: 00007f942a5f42de
[   12.917116][  T312] RDX: 00000000000000ca RSI: 0000000000000000 RDI: 0000000000000007
[   12.917117][  T312] RBP: 00007ffc35047e20 R08: 0000000000000010 R09: 0000000000000001
[   12.917118][  T312] R10: 00007ffc35047da0 R11: 0000000000000246 R12: 0000561c2371b0c4
[   12.917118][  T312] R13: 00007ffc35047e70 R14: 0000561c2371b0b0 R15: 0000000000000000
| [   27.093365][    C0] softirqs last disabled at (7591775): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
| [   27.093370][    C0] Preemption disabled at:
| [   27.093370][    C0] __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
| [   27.093380][    C0] Tainted: [W]=WARN
[   27.093381][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.093383][    C0] Call Trace:
[   27.093384][    C0]  <IRQ>
[   27.093386][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.093391][    C0]  ? __dev_queue_xmit (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/rcupdate.h:902 (discriminator 2) net/core/dev.c:4844 (discriminator 2))
[   27.093393][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.093396][    C0]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.093399][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.093402][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093405][    C0]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.093408][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.093411][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.093415][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.093417][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.093419][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   27.093421][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.093423][    C0]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   27.093425][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.093430][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.093431][    C0]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.093434][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.093435][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093436][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093438][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.093440][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.093442][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093443][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093444][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.093447][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.093448][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.093451][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.093453][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.093455][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.093457][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.093458][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093459][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.093461][    C0]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.093462][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.093464][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.093466][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.093467][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.093469][    C0]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.093471][    C0]  _printk (kernel/printk/printk.c:2504)
[   27.093474][    C0]  ? snapshot_read.cold (user.c:?)
[   27.093476][    C0]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   27.093478][    C0]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   27.093479][    C0]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   27.093481][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.093484][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.093486][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.093488][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.093490][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.093492][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.093495][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093496][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.093498][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.093499][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.093500][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.093501][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.093503][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.093504][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.093507][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093509][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.093510][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.093512][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.093514][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093516][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.093517][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.093519][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.093521][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.093523][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.093526][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.093528][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.093530][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093531][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.093533][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.093534][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.093536][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093537][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.093539][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.093540][    C0]  </IRQ>
[   27.093541][    C0]  <TASK>
[   27.093541][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.093543][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.093545][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.093547][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.093549][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.093550][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.093552][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.093553][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093554][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093556][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.093558][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.093562][    C0]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.093563][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip.h:504 (discriminator 2))
[   27.093565][    C0]  ? ip_copy_metadata (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1475 ./include/linux/rcuref.h:87 ./include/net/dst.h:247 ./include/net/dst.h:261 ./include/net/dst.h:294 ./include/net/dst.h:299 net/ipv4/ip_output.c:558)
[   27.093566][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.093567][    C0]  ? ip_fast_csum (lib/checksum.c:99)
[   27.093571][    C0]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.093572][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.093574][    C0]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.093575][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.093577][    C0]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.093579][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.093580][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.093582][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.093583][    C0]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.093585][    C0]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.093586][    C0]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.093587][    C0]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.093589][    C0]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.093591][    C0]  ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4))
[   27.093592][    C0]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.093597][    C0]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.093599][    C0]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.093600][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.093601][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.093604][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.093605][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.093608][    C0]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.093612][    C0]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.093614][    C0]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.093617][    C0]  __sys_sendto (net/socket.c:2281)
[   27.093619][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.093628][    C0]  ? ksys_read (fs/read_write.c:716)
[   27.093631][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.093633][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.093636][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.093638][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.093640][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.093641][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.093643][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.093645][    C0] RIP: 0033:0x7ffa96cdb54e
[   27.093649][    C0] 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
[   27.093650][    C0] RSP: 002b:00007ffec8f9c540 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.093653][    C0] RAX: ffffffffffffffda RBX: 000055677c68c9e0 RCX: 00007ffa96cdb54e
[   27.093655][    C0] RDX: 0000000000002000 RSI: 000055677c713a70 RDI: 0000000000000005
[   27.093656][    C0] RBP: 00007ffec8f9c550 R08: 0000000000000000 R09: 0000000000000000
[   27.093656][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055677c68c9e0
[   27.093657][    C0] R13: 000055677c70fac0 R14: 000055677c68c350 R15: 000055677c68c9e0
| [   27.159608][    C0]
| [   27.159680][    C0]
| [   27.159680][    C0] stack backtrace:
| [   27.159904][    C0] Tainted: [W]=WARN
[   27.159905][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.159906][    C0] Call Trace:
[   27.159907][    C0]  <IRQ>
[   27.159908][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.159913][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   27.159916][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   27.159919][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   27.159921][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   27.159922][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   27.159925][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.159926][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.159928][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159930][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.159931][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.159933][    C0]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   27.159934][    C0]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.159935][    C0]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   27.159937][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.159938][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   27.159940][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159941][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   27.159943][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.159945][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.159947][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159948][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   27.159950][    C0]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   27.159952][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   27.159953][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.159956][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.159959][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   27.159961][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   27.159963][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159964][    C0]  handle_softirqs (kernel/softirq.c:645)
[   27.159966][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   27.159967][    C0]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.159969][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159970][    C0]  ? __dev_queue_xmit (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:920 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.159972][    C0]  do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19))
[   27.159973][    C0]  </IRQ>
[   27.159974][    C0]  <TASK>
[   27.159974][    C0]  __local_bh_enable_ip (kernel/softirq.c:473)
[   27.159976][    C0]  __dev_queue_xmit (./include/linux/bottom_half.h:33 (discriminator 2) ./include/linux/rcupdate.h:923 (discriminator 2) net/core/dev.c:4961 (discriminator 2))
[   27.159978][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.159980][    C0]  ? netdev_core_pick_tx (net/core/dev.c:4784)
[   27.159982][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:124 (discriminator 1) kernel/locking/lockdep.c:5884 (discriminator 1))
[   27.159983][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.159985][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.159986][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159987][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.159989][    C0]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   27.159992][    C0]  ? neigh_hh_output (./include/net/neighbour.h:525)
[   27.159994][    C0]  ip_finish_output2 (./include/net/neighbour.h:558 net/ipv4/ip_output.c:236)
[   27.159995][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/ip.h:504 (discriminator 2))
[   27.159996][    C0]  ? ip_copy_metadata (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:1475 ./include/linux/rcuref.h:87 ./include/net/dst.h:247 ./include/net/dst.h:261 ./include/net/dst.h:294 ./include/net/dst.h:299 net/ipv4/ip_output.c:558)
[   27.159998][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.159999][    C0]  ? ip_fast_csum (lib/checksum.c:99)
[   27.160003][    C0]  ? ip_fraglist_prepare (net/ipv4/ip_output.c:98 net/ipv4/ip_output.c:638)
[   27.160004][    C0]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   27.160006][    C0]  ip_do_fragment (net/ipv4/ip_output.c:862)
[   27.160007][    C0]  ? ip_fragment.constprop.0 (net/ipv4/ip_output.c:587 (discriminator 41))
[   27.160009][    C0]  ? ip4_dst_hoplimit (./include/net/dst.h:582 (discriminator 4) ./include/net/dst.h:587 (discriminator 4) ./include/net/route.h:395 (discriminator 4))
[   27.160011][    C0]  ? ip_dst_mtu_maybe_forward (./include/linux/rcupdate.h:882 ./include/net/ip.h:504)
[   27.160012][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.160014][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.160015][    C0]  ip_output (./include/linux/netfilter.h:314 net/ipv4/ip_output.c:437)
[   27.160017][    C0]  ? ip_finish_output (./include/linux/cgroup.h:915)
[   27.160018][    C0]  ? ip_make_skb (net/ipv4/ip_output.c:1584)
[   27.160019][    C0]  ? ip_frag_init (./include/linux/skbuff.h:3160)
[   27.160021][    C0]  ? ip_flush_pending_frames (net/ipv4/ip_output.c:1550)
[   27.160023][    C0]  ip_send_skb (./include/net/dst.h:470 (discriminator 4) net/ipv4/ip_output.c:131 (discriminator 4) net/ipv4/ip_output.c:1510 (discriminator 4))
[   27.160024][    C0]  udp_send_skb (net/ipv4/udp.c:1163 (discriminator 1))
[   27.160027][    C0]  udp_sendmsg (net/ipv4/udp.c:1445)
[   27.160029][    C0]  ? udp_cmsg_send (net/ipv4/udp.c:1218)
[   27.160030][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.160031][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.160033][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.160035][    C0]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   27.160037][    C0]  ? anon_pipe_trim_and_unlock (fs/pipe.c:192)
[   27.160041][    C0]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   27.160043][    C0]  ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208)
[   27.160045][    C0]  __sys_sendto (net/socket.c:2281)
[   27.160047][    C0]  ? __ia32_sys_getpeername (net/socket.c:2235)
[   27.160051][    C0]  ? ksys_read (fs/read_write.c:716)
[   27.160054][    C0]  __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284)
[   27.160055][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.160058][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.160060][    C0]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44))
[   27.160061][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   27.160063][    C0]  ? irq_exit_rcu (kernel/softirq.c:786)
[   27.160064][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.160066][    C0] RIP: 0033:0x7ffa96cdb54e
[   27.160068][    C0] 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
[   27.160069][    C0] RSP: 002b:00007ffec8f9c540 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[   27.160071][    C0] RAX: ffffffffffffffda RBX: 000055677c68c9e0 RCX: 00007ffa96cdb54e
[   27.160072][    C0] RDX: 0000000000002000 RSI: 000055677c713a70 RDI: 0000000000000005
[   27.160073][    C0] RBP: 00007ffec8f9c550 R08: 0000000000000000 R09: 0000000000000000
[   27.160074][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 000055677c68c9e0
[   27.160075][    C0] R13: 000055677c70fac0 R14: 000055677c68c350 R15: 000055677c68c9e0
| [  484.061210][   T70] softirqs last disabled at (9560): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  484.061212][   T70] Preemption disabled at:
| [  484.061212][   T70] 0x0
| [  484.061221][   T70] Tainted: [W]=WARN
[  484.061222][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  484.061224][   T70] Workqueue: netns cleanup_net
[  484.061229][   T70] Call Trace:
[  484.061230][   T70]  <TASK>
[  484.061232][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  484.061237][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  484.061240][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.061244][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061247][   T70]  __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))
[  484.061249][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  484.061252][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.061256][   T70]  ? 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)
[  484.061258][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  484.061261][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  484.061262][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  484.061263][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  484.061266][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  484.061268][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  484.061273][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  484.061274][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  484.061276][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.061279][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  484.061281][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  484.061283][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061284][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061285][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061286][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.061288][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  484.061289][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  484.061291][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  484.061294][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  484.061296][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.061297][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  484.061299][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061300][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  484.061301][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  484.061302][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  484.061304][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  484.061306][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  484.061307][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  484.061309][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  484.061310][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061311][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  484.061314][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  484.061315][   T70]  _printk (kernel/printk/printk.c:2504)
[  484.061318][   T70]  ? snapshot_read.cold (user.c:?)
[  484.061320][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1157 net/ipv6/mcast.c:2820)
[  484.061323][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  484.061327][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  484.061328][   T70]  br_device_event (net/bridge/br.c:111)
[  484.061331][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  484.061333][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  484.061335][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  484.061338][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  484.061341][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  484.061343][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  484.061345][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  484.061346][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  484.061348][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  484.061350][   T70]  ? kthread (kernel/kthread.c:436)
[  484.061352][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  484.061355][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  484.061357][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  484.061358][   T70]  ? get_rps_cpu (net/core/dev.c:5240)
[  484.061361][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  484.061362][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  484.061363][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.061365][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  484.061366][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  484.061368][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  484.061370][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  484.061372][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  484.061374][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  484.061377][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  484.061378][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  484.061380][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061381][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  484.061383][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  484.061384][   T70]  process_one_work (kernel/workqueue.c:3387)
[  484.061387][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  484.061389][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  484.061391][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  484.061393][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  484.061395][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  484.061397][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  484.061398][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  484.061400][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  484.061402][   T70]  kthread (kernel/kthread.c:436)
[  484.061403][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  484.061404][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  484.061406][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  484.061408][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  484.061409][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  484.061412][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
do_softirq:__dev_queue_xmit:dump_stack_lvl:__kmalloc_noprof:put_chars