======================================
| [   13.010640][  T263] softirqs last disabled at (20822): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   13.010642][  T263] Preemption disabled at:
| [   13.010643][  T263] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.010652][  T263] Tainted: [W]=WARN
[   13.010653][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.010655][  T263] Call Trace:
[   13.010657][  T263]  <TASK>
[   13.010658][  T263]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.010664][  T263]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.010667][  T263]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.010671][  T263]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.010675][  T263]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.010681][  T263]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.010683][  T263]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.010689][  T263]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.010692][  T263]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.010695][  T263]  put_chars (drivers/char/virtio_console.c:1176)
[   13.010698][  T263]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.010702][  T263]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   13.010706][  T263]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.010709][  T263]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.010711][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010712][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010716][  T263]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.010718][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.010722][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010726][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.010730][  T263]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.010734][  T263]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.010736][  T263]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.010739][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010741][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.010745][  T263]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.010749][  T263]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.010751][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010757][  T263]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.010760][  T263]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.010761][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010764][  T263]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.010767][  T263]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.010769][  T263]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.010773][  T263]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.010777][  T263]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.010779][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.010781][  T263]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   13.010785][  T263]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   13.010789][  T263]  _printk (kernel/printk/printk.c:2504)
[   13.010792][  T263]  ? snapshot_read.cold (user.c:?)
[   13.010796][  T263]  ? br_multicast_flood (??:?) bridge
[   13.010810][  T263]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.010811][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.010812][  T263]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.010817][  T263] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   13.010827][  T263] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   13.010836][  T263] new_nbp (net/bridge/br_if.c:449) bridge
[   13.010846][  T263] br_add_if (net/bridge/br_if.c:592) bridge
[   13.010855][  T263]  ? mutex_is_locked (kernel/locking/mutex.c:64)
[   13.010860][  T263]  do_set_master (net/core/rtnetlink.c:3071)
[   13.010865][  T263]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.010868][  T263]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.010872][  T263]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.010873][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.010876][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.010879][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.010882][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.010884][  T263]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.010887][  T263]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.010890][  T263]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.010891][  T263]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.010894][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010896][  T263]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.010899][  T263]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.010904][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.010906][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.010909][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010911][  T263]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.010913][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010914][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.010917][  T263]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.010920][  T263]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   13.010922][  T263]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.010925][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.010936][  T263]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.010939][  T263]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.010946][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.010951][  T263]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.010957][  T263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.010959][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010963][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.010965][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.010967][  T263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.010969][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.010973][  T263]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.010975][  T263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.010978][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.010980][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.010984][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.010986][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.010989][  T263]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.010991][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.010994][  T263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.011000][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.011001][  T263]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.011006][  T263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.011009][  T263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.011012][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.011016][  T263]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.011020][  T263]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.011024][  T263]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.011029][  T263]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.011032][  T263]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.011034][  T263]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.011036][  T263]  ? move_addr_to_kernel (net/socket.c:258)
[   13.011043][  T263]  ___sys_sendmsg (net/socket.c:2767)
[   13.011046][  T263]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.011062][  T263]  __sys_sendmsg (net/socket.c:2799)
[   13.011065][  T263]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.011071][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.011075][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.011077][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.011080][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.011083][  T263] RIP: 0033:0x7f23b6f4854e
[   13.011087][  T263] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.011089][  T263] RSP: 002b:00007ffd95babbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.011093][  T263] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f23b6f4854e
[   13.011095][  T263] RDX: 0000000000000000 RSI: 00007ffd95babc60 RDI: 0000000000000005
[   13.011095][  T263] RBP: 00007ffd95babbc0 R08: 0000000000000000 R09: 0000000000000000
[   13.011096][  T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91638a
[   13.011097][  T263] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd95bac320
| [   14.529033][  T311] softirqs last disabled at (12648): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   14.529036][  T311] Preemption disabled at:
| [   14.529037][  T311] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.529049][  T311] Tainted: [W]=WARN
[   14.529051][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.529053][  T311] Call Trace:
[   14.529055][  T311]  <TASK>
[   14.529057][  T311]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.529063][  T311]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.529066][  T311]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.529070][  T311]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.529075][  T311]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.529080][  T311]  __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))
[   14.529083][  T311]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.529088][  T311]  ? 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)
[   14.529091][  T311]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.529095][  T311]  put_chars (drivers/char/virtio_console.c:1176)
[   14.529097][  T311]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   14.529099][  T311]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.529102][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.529106][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.529109][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.529112][  T311]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.529116][  T311]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.529118][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529119][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529123][  T311]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.529125][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.529129][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529131][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.529135][  T311]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.529139][  T311]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.529141][  T311]  ? 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))
[   14.529144][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529147][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.529151][  T311]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.529155][  T311]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.529157][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529162][  T311]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.529165][  T311]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.529167][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529169][  T311]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.529173][  T311]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.529175][  T311]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.529178][  T311]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.529182][  T311]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.529185][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.529188][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.529191][  T311]  _printk (kernel/printk/printk.c:2504)
[   14.529195][  T311]  ? snapshot_read.cold (user.c:?)
[   14.529199][  T311]  ? br_multicast_flood (??:?) bridge
[   14.529213][  T311]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.529214][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.529215][  T311]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.529220][  T311] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   14.529231][  T311] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   14.529240][  T311] new_nbp (net/bridge/br_if.c:449) bridge
[   14.529250][  T311] br_add_if (net/bridge/br_if.c:592) bridge
[   14.529257][  T311]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   14.529261][  T311]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.529264][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   14.529268][  T311]  do_set_master (net/core/rtnetlink.c:3071)
[   14.529273][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.529276][  T311]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.529280][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.529281][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.529283][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.529287][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.529290][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.529291][  T311]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.529294][  T311]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.529297][  T311]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.529299][  T311]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.529302][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529309][  T311]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   14.529312][  T311]  ? ___sys_sendmsg (net/socket.c:2757)
[   14.529317][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.529319][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.529322][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529324][  T311]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.529326][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529328][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529330][  T311]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.529335][  T311]  ? __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)
[   14.529338][  T311]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.529340][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.529343][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.529345][  T311]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.529350][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.529355][  T311]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.529361][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.529363][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529367][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.529369][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.529371][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.529373][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.529377][  T311]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.529379][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.529382][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.529384][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529388][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.529390][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.529393][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.529396][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.529399][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.529405][  T311]  ? 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))
[   14.529407][  T311]  ? 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))
[   14.529411][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.529415][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.529418][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.529422][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.529426][  T311]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.529430][  T311]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.529436][  T311]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.529438][  T311]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.529440][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.529442][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   14.529456][  T311]  ___sys_sendmsg (net/socket.c:2767)
[   14.529459][  T311]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.529475][  T311]  __sys_sendmsg (net/socket.c:2799)
[   14.529479][  T311]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.529489][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.529494][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.529497][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.529502][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.529505][  T311] RIP: 0033:0x7f764bec354e
[   14.529510][  T311] 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
[   14.529512][  T311] RSP: 002b:00007ffeebc69c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.529515][  T311] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f764bec354e
[   14.529517][  T311] RDX: 0000000000000000 RSI: 00007ffeebc69cf0 RDI: 0000000000000005
[   14.529518][  T311] RBP: 00007ffeebc69c50 R08: 0000000000000000 R09: 0000000000000000
[   14.529519][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91638b
[   14.529520][  T311] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeebc6a3b0
| [   15.638191][  T348] softirqs last disabled at (19596): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   15.638193][  T348] Preemption disabled at:
| [   15.638194][  T348] vprintk_emit (kernel/printk/printk.c:2471)
| [   15.638204][  T348] Tainted: [W]=WARN
[   15.638205][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.638206][  T348] Call Trace:
[   15.638208][  T348]  <TASK>
[   15.638209][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.638216][  T348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   15.638218][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.638223][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.638227][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.638232][  T348]  __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))
[   15.638235][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.638240][  T348]  ? 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)
[   15.638243][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.638247][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   15.638248][  T348]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   15.638251][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.638254][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.638258][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.638261][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.638264][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.638267][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   15.638269][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638271][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638275][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.638277][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   15.638280][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638283][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.638287][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.638291][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.638293][  T348]  ? 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))
[   15.638296][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638298][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.638302][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.638309][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.638311][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638317][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.638320][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.638321][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638324][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.638328][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.638330][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.638333][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.638337][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.638340][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.638343][  T348]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.638346][  T348]  _printk (kernel/printk/printk.c:2504)
[   15.638350][  T348]  ? snapshot_read.cold (user.c:?)
[   15.638354][  T348]  ? br_multicast_flood (??:?) bridge
[   15.638367][  T348]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.638369][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.638370][  T348]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.638375][  T348] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   15.638385][  T348] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   15.638394][  T348] new_nbp (net/bridge/br_if.c:449) bridge
[   15.638404][  T348] br_add_if (net/bridge/br_if.c:592) bridge
[   15.638411][  T348]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   15.638415][  T348]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   15.638418][  T348]  ? __kernel_text_address (kernel/extable.c:79)
[   15.638423][  T348]  do_set_master (net/core/rtnetlink.c:3071)
[   15.638427][  T348]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   15.638430][  T348]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.638434][  T348]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.638435][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.638437][  T348]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.638441][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.638443][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.638452][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.638454][  T348]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.638458][  T348]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.638459][  T348]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.638462][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638464][  T348]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.638467][  T348]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.638472][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.638474][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.638476][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638479][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.638481][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638482][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638485][  T348]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.638489][  T348]  ? __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)
[   15.638492][  T348]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.638494][  T348]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.638498][  T348]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.638499][  T348]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.638505][  T348]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.638510][  T348]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.638515][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.638517][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638522][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.638524][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.638526][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.638528][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.638531][  T348]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.638534][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.638537][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.638538][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638543][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.638544][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.638548][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.638550][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.638553][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.638559][  T348]  ? 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))
[   15.638561][  T348]  ? 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))
[   15.638565][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.638569][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.638571][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.638576][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.638579][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.638583][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.638589][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.638591][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.638594][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.638595][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   15.638603][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   15.638606][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.638621][  T348]  __sys_sendmsg (net/socket.c:2799)
[   15.638624][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.638630][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.638634][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.638637][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.638640][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.638642][  T348] RIP: 0033:0x7fd0623e754e
[   15.638646][  T348] 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
[   15.638648][  T348] RSP: 002b:00007fff80fddb50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.638651][  T348] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd0623e754e
[   15.638652][  T348] RDX: 0000000000000000 RSI: 00007fff80fddc00 RDI: 0000000000000005
[   15.638653][  T348] RBP: 00007fff80fddb60 R08: 0000000000000000 R09: 0000000000000000
[   15.638654][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91638c
[   15.638655][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff80fde2c0
| [   15.934996][    C0]
| [   15.934997][    C0]
| [   15.934997][    C0] stack backtrace:
| [   15.935005][    C0] Tainted: [W]=WARN
[   15.935006][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.935008][    C0] Call Trace:
[   15.935010][    C0]  <IRQ>
[   15.935011][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.935016][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   15.935020][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   15.935022][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   15.935026][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   15.935029][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   15.935031][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   15.935034][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.935036][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.935039][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935043][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.935046][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.935049][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.935051][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   15.935054][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.935056][    C0]  ? 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))
[   15.935059][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935061][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.935064][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.935067][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.935070][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.935073][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.935076][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.935078][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935081][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.935083][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.935086][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.935089][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.935092][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.935096][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   15.935098][    C0]  _printk (kernel/printk/printk.c:2504)
[   15.935101][    C0]  ? snapshot_read.cold (user.c:?)
[   15.935104][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   15.935106][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.935110][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   15.935112][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.935114][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.935117][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   15.935119][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   15.935122][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   15.935126][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.935129][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.935131][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935134][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   15.935137][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.935141][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   15.935143][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.935147][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.935151][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   15.935153][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   15.935156][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.935159][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935162][    C0]  handle_softirqs (kernel/softirq.c:645)
[   15.935164][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.935167][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.935170][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.935173][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   15.935175][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.935178][    C0]  </IRQ>
[   15.935179][    C0]  <TASK>
[   15.935179][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.935182][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.935185][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   15.935188][    C0] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   15.935191][    C0] RSP: 0018:ffffffffa4807cf8 EFLAGS: 00000296
[   15.935194][    C0] RAX: 000000000009c057 RBX: ffffffffa481c600 RCX: ffffffffa18f0307
[   15.935196][    C0] RDX: ffffffffa481c600 RSI: ffffffffa4638b01 RDI: ffffffffa408d8e0
[   15.935197][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   15.935199][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4900fa2
[   15.935200][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   15.935202][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.935206][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.935208][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   15.935211][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   15.935213][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.935216][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   15.935218][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   15.935221][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.935223][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.935227][    C0]  do_idle (kernel/sched/idle.c:355)
[   15.935229][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   15.935231][    C0]  rest_init (init/main.c:727)
[   15.935234][    C0]  ? __cpuidle_text_end (??:?)
[   15.935238][    C0]  ? rest_init (init/main.c:727)
[   15.935240][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   15.935245][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   15.935249][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   15.935252][    C0]  start_kernel (init/main.c:1185)
[   15.935255][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   15.935258][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   15.935261][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   24.929515][   T12] softirqs last disabled at (12970): __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))
| [   24.929518][   T12] Preemption disabled at:
| [   24.929519][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.929532][   T12] Tainted: [W]=WARN
[   24.929533][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.929535][   T12] Workqueue: netns cleanup_net
[   24.929540][   T12] Call Trace:
[   24.929542][   T12]  <TASK>
[   24.929543][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.929548][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.929551][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.929554][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.929558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929562][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   24.929565][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.929568][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.929572][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   24.929573][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.929575][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   24.929577][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   24.929579][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.929581][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   24.929583][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.929587][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.929588][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   24.929590][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.929591][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929593][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929595][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.929597][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.929599][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.929602][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929607][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.929609][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   24.929611][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.929613][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.929616][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.929618][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.929619][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.929621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929623][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   24.929624][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.929626][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   24.929628][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.929630][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.929632][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.929634][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.929636][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   24.929639][   T12]  ? kthread (kernel/kthread.c:436)
[   24.929641][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   24.929643][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   24.929646][   T12]  _printk (kernel/printk/printk.c:2504)
[   24.929649][   T12]  ? snapshot_read.cold (user.c:?)
[   24.929651][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.929654][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.929656][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.929658][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   24.929660][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929662][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   24.929664][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   24.929666][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   24.929668][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.929670][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   24.929673][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   24.929676][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   24.929690][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   24.929698][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   24.929706][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   24.929708][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   24.929710][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   24.929714][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   24.929715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.929718][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.929719][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.929721][   T12]  process_one_work (kernel/workqueue.c:3387)
[   24.929724][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   24.929726][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.929728][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   24.929731][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   24.929734][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   24.929736][   T12]  kthread (kernel/kthread.c:436)
[   24.929737][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.929739][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.929741][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.929742][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   24.929744][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.929747][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__dev_queue_xmit:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars