======================================
| [    8.766772][  T182] softirqs last disabled at (28284): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.766775][  T182] Preemption disabled at:
| [    8.766775][  T182] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.766784][  T182] Tainted: [W]=WARN
[    8.766784][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.766786][  T182] Call Trace:
[    8.766788][  T182]  <TASK>
[    8.766789][  T182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.766795][  T182]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.766796][  T182]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.766801][  T182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.766804][  T182]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.766810][  T182]  __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))
[    8.766812][  T182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.766818][  T182]  ? 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)
[    8.766820][  T182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.766824][  T182]  put_chars (drivers/char/virtio_console.c:1176)
[    8.766827][  T182]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.766829][  T182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.766832][  T182]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.766837][  T182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.766844][  T182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.766847][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.766850][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.766854][  T182]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.766857][  T182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.766861][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.766863][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.766867][  T182]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.766871][  T182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.766872][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.766877][  T182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.766879][  T182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.766881][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.766882][  T182]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.766886][  T182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.766888][  T182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.766891][  T182]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.766894][  T182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.766896][  T182]  ? save_trace (kernel/locking/lockdep.c:589)
[    8.766900][  T182]  _printk (kernel/printk/printk.c:2504)
[    8.766904][  T182]  ? snapshot_read.cold (user.c:?)
[    8.766907][  T182]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.766909][  T182]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    8.766912][  T182]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    8.766915][  T182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.766917][  T182]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.766919][  T182]  ? netdev_notice (net/core/dev.c:13194)
[    8.766921][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.766925][  T182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.766927][  T182]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.766931][  T182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.766933][  T182]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.766935][  T182]  ? register_netdev (net/core/dev.c:11618)
[    8.766937][  T182]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[    8.766943][  T182]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.766945][  T182]  ? __kernel_text_address (kernel/extable.c:79)
[    8.766947][  T182]  ? write_profile (profile.c:?)
[    8.766951][  T182]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.766956][  T182]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.766960][  T182]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.766962][  T182]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.766964][  T182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.766967][  T182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.766970][  T182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.766972][  T182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.766974][  T182]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.766977][  T182]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.766978][  T182]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.766980][  T182]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.766982][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.766984][  T182]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[    8.766987][  T182]  ? ___sys_sendmsg (net/socket.c:2757)
[    8.766991][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.766993][  T182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.766996][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.766998][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.767000][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.767001][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.767003][  T182]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.767006][  T182]  ? __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)
[    8.767009][  T182]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.767011][  T182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.767014][  T182]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.767016][  T182]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.767022][  T182]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.767027][  T182]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.767033][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.767035][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.767039][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.767042][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.767044][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.767046][  T182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.767050][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.767052][  T182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.767056][  T182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.767057][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.767062][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.767064][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.767068][  T182]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.767069][  T182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.767073][  T182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.767078][  T182]  ? 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))
[    8.767080][  T182]  ? 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))
[    8.767084][  T182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.767088][  T182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.767090][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.767094][  T182]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.767098][  T182]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.767102][  T182]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.767107][  T182]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.767109][  T182]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.767111][  T182]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.767113][  T182]  ? move_addr_to_kernel (net/socket.c:258)
[    8.767120][  T182]  ___sys_sendmsg (net/socket.c:2767)
[    8.767122][  T182]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.767137][  T182]  __sys_sendmsg (net/socket.c:2799)
[    8.767143][  T182]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.767149][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.767152][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.767154][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.767157][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.767159][  T182] RIP: 0033:0x7f709740954e
[    8.767164][  T182] 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
[    8.767165][  T182] RSP: 002b:00007ffeb73637b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.767168][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f709740954e
[    8.767169][  T182] RDX: 0000000000000000 RSI: 00007ffeb7363860 RDI: 0000000000000005
[    8.767170][  T182] RBP: 00007ffeb73637c0 R08: 0000000000000000 R09: 0000000000000000
[    8.767171][  T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9ad
[    8.767171][  T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb7363f20
| [   10.787499][  T217] softirqs last disabled at (42124): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   10.787502][  T217] Preemption disabled at:
| [   10.787502][  T217] 0x0
| [   10.787512][  T217] Tainted: [W]=WARN
[   10.787513][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.787514][  T217] Call Trace:
[   10.787516][  T217]  <TASK>
[   10.787518][  T217]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.787523][  T217]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.787528][  T217]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.787531][  T217]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.787536][  T217]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.787539][  T217]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787545][  T217]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.787547][  T217]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.787551][  T217]  put_chars (drivers/char/virtio_console.c:1176)
[   10.787554][  T217]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   10.787556][  T217]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.787563][  T217]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.787570][  T217]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.787573][  T217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787578][  T217]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.787581][  T217]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.787585][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787588][  T217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787592][  T217]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.787596][  T217]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.787597][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787603][  T217]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.787605][  T217]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.787606][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787608][  T217]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.787612][  T217]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.787614][  T217]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.787617][  T217]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.787620][  T217]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.787622][  T217]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.787624][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.787627][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.787631][  T217]  _printk (kernel/printk/printk.c:2504)
[   10.787635][  T217]  ? snapshot_read.cold (user.c:?)
[   10.787642][  T217]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.787646][  T217]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   10.787650][  T217]  br_device_event (net/bridge/br.c:111)
[   10.787652][  T217]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.787656][  T217]  ? packet_sendmsg_spkt (af_packet.c:?)
[   10.787661][  T217]  notifier_call_chain (kernel/notifier.c:85)
[   10.787667][  T217]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   10.787672][  T217]  ? netif_change_name (net/core/dev.c:1517)
[   10.787674][  T217]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   10.787677][  T217]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.787680][  T217]  ? __kernel_text_address (kernel/extable.c:79)
[   10.787682][  T217]  ? write_profile (profile.c:?)
[   10.787687][  T217]  netif_change_flags (net/core/dev.c:9882)
[   10.787690][  T217]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   10.787694][  T217]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.787696][  T217]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.787698][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.787700][  T217]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.787703][  T217]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.787705][  T217]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.787707][  T217]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.787710][  T217]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.787712][  T217]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.787713][  T217]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.787715][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787717][  T217]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.787720][  T217]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.787724][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.787727][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.787730][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787731][  T217]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.787733][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787734][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787736][  T217]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.787739][  T217]  ? __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)
[   10.787740][  T217]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.787742][  T217]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.787746][  T217]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.787751][  T217]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.787757][  T217]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.787762][  T217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.787764][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787769][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.787771][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.787773][  T217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.787776][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.787780][  T217]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.787782][  T217]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.787785][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.787787][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787792][  T217]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.787794][  T217]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.787798][  T217]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.787799][  T217]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.787803][  T217]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.787809][  T217]  ? 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))
[   10.787810][  T217]  ? 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))
[   10.787814][  T217]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.787818][  T217]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.787821][  T217]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.787825][  T217]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.787829][  T217]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.787833][  T217]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.787838][  T217]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.787840][  T217]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.787842][  T217]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.787844][  T217]  ? move_addr_to_kernel (net/socket.c:258)
[   10.787850][  T217]  ___sys_sendmsg (net/socket.c:2767)
[   10.787853][  T217]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.787868][  T217]  __sys_sendmsg (net/socket.c:2799)
[   10.787871][  T217]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.787877][  T217]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.787880][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.787881][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.787885][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.787887][  T217] RIP: 0033:0x7f0562e8554e
[   10.787889][  T217] 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
[   10.787891][  T217] RSP: 002b:00007ffda36331e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.787893][  T217] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0562e8554e
[   10.787895][  T217] RDX: 0000000000000000 RSI: 00007ffda3633290 RDI: 0000000000000005
[   10.787896][  T217] RBP: 00007ffda36331f0 R08: 0000000000000000 R09: 0000000000000000
[   10.787896][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9af
[   10.787897][  T217] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda3633950
| [   12.893101][  T181] softirqs last disabled at (21346): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   12.893104][  T181] Preemption disabled at:
| [   12.893105][  T181] 0x0
| [   12.893115][  T181] Tainted: [W]=WARN
[   12.893115][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.893117][  T181] Workqueue: events_unbound linkwatch_event
[   12.893120][  T181] Call Trace:
[   12.893122][  T181]  <TASK>
[   12.893124][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.893130][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.893134][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.893138][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.893143][  T181]  __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))
[   12.893146][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.893151][  T181]  ? 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)
[   12.893153][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.893157][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   12.893160][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.893164][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.893170][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.893182][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.893185][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.893189][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.893193][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.893197][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.893202][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.893204][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.893208][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.893212][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.893213][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.893218][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.893221][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.893222][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.893224][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.893228][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.893230][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.893233][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.893236][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.893238][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.893241][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.893246][  T181]  _printk (kernel/printk/printk.c:2504)
[   12.893249][  T181]  ? snapshot_read.cold (user.c:?)
[   12.893254][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.893258][  T181]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.893262][  T181]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.893265][  T181]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   12.893267][  T181]  br_port_carrier_check (net/bridge/br_if.c:90)
[   12.893271][  T181]  br_device_event (net/bridge/br.c:101)
[   12.893274][  T181]  ? packet_sendmsg_spkt (af_packet.c:?)
[   12.893276][  T181]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.893282][  T181]  notifier_call_chain (kernel/notifier.c:85)
[   12.893288][  T181]  netif_state_change (net/core/dev.c:1625)
[   12.893292][  T181]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   12.893297][  T181]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.893299][  T181]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.893303][  T181]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.893306][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.893310][  T181]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.893313][  T181]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.893317][  T181]  process_one_work (kernel/workqueue.c:3387)
[   12.893322][  T181]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.893325][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.893333][  T181]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.893336][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.893338][  T181]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.893341][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.893343][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.893345][  T181]  kthread (kernel/kthread.c:436)
[   12.893347][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.893350][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.893353][  T181]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.893357][  T181]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.893361][  T181]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.893364][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.893367][  T181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.120484][  T225] softirqs last disabled at (44394): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.120487][  T225] Preemption disabled at:
| [   14.120487][  T225] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.120496][  T225] Tainted: [W]=WARN
[   14.120497][  T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.120498][  T225] Call Trace:
[   14.120500][  T225]  <TASK>
[   14.120502][  T225]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.120507][  T225]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.120509][  T225]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.120513][  T225]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.120517][  T225]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.120522][  T225]  __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))
[   14.120525][  T225]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.120531][  T225]  ? 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)
[   14.120533][  T225]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.120539][  T225]  put_chars (drivers/char/virtio_console.c:1176)
[   14.120542][  T225]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.120545][  T225]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.120549][  T225]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.120552][  T225]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.120556][  T225]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.120560][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.120562][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120564][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120568][  T225]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.120571][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.120573][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.120575][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.120579][  T225]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.120583][  T225]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.120587][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.120588][  T225]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.120592][  T225]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.120596][  T225]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.120597][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120603][  T225]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.120605][  T225]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.120606][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.120608][  T225]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.120612][  T225]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.120614][  T225]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.120617][  T225]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.120620][  T225]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.120625][  T225]  _printk (kernel/printk/printk.c:2504)
[   14.120628][  T225]  ? snapshot_read.cold (user.c:?)
[   14.120632][  T225]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   14.120634][  T225]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.120637][  T225]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   14.120639][  T225]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.120643][  T225]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.120646][  T225]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.120648][  T225]  ? netdev_notice (net/core/dev.c:13194)
[   14.120652][  T225]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.120655][  T225]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.120659][  T225]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.120663][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.120668][  T225]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.120672][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.120674][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.120677][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.120684][  T225]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.120689][  T225]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.120690][  T225]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   14.120693][  T225]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.120698][  T225]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.120703][  T225]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.120705][  T225]  ? 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)
[   14.120707][  T225]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.120708][  T225]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.120715][  T225]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.120717][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.120719][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120721][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120723][  T225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.120744][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.120746][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.120749][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.120751][  T225]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.120753][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120758][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.120760][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.120762][  T225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.120764][  T225]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.120768][  T225]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.120770][  T225]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.120774][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.120776][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120780][  T225]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.120782][  T225]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.120786][  T225]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.120789][  T225]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.120792][  T225]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.120798][  T225]  ? 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))
[   14.120799][  T225]  ? 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))
[   14.120803][  T225]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.120807][  T225]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.120810][  T225]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.120814][  T225]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.120817][  T225]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.120821][  T225]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.120827][  T225]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.120830][  T225]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.120832][  T225]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.120833][  T225]  ? move_addr_to_kernel (net/socket.c:258)
[   14.120840][  T225]  ___sys_sendmsg (net/socket.c:2767)
[   14.120842][  T225]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.120857][  T225]  __sys_sendmsg (net/socket.c:2799)
[   14.120860][  T225]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.120866][  T225]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.120869][  T225]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.120871][  T225]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.120873][  T225]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.120875][  T225] RIP: 0033:0x7f2ddd80654e
[   14.120879][  T225] 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
[   14.120881][  T225] RSP: 002b:00007ffdd3c30ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.120883][  T225] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2ddd80654e
[   14.120885][  T225] RDX: 0000000000000000 RSI: 00007ffdd3c30f50 RDI: 0000000000000005
[   14.120885][  T225] RBP: 00007ffdd3c30eb0 R08: 0000000000000000 R09: 0000000000000000
[   14.120886][  T225] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9b2
[   14.120887][  T225] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd3c31610
| [   15.834284][  T239] softirqs last disabled at (40880): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   15.834286][  T239] Preemption disabled at:
| [   15.834287][  T239] 0x0
| [   15.834297][  T239] Tainted: [W]=WARN
[   15.834297][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.834299][  T239] Call Trace:
[   15.834301][  T239]  <TASK>
[   15.834302][  T239]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.834308][  T239]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.834313][  T239]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.834316][  T239]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.834322][  T239]  __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))
[   15.834324][  T239]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.834330][  T239]  ? 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)
[   15.834332][  T239]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.834336][  T239]  put_chars (drivers/char/virtio_console.c:1176)
[   15.834339][  T239]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   15.834341][  T239]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.834348][  T239]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.834355][  T239]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.834358][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.834363][  T239]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.834366][  T239]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.834370][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834373][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.834377][  T239]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.834381][  T239]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.834382][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.834388][  T239]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.834390][  T239]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.834392][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834394][  T239]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.834397][  T239]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.834399][  T239]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.834402][  T239]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.834405][  T239]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.834407][  T239]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.834409][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.834412][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.834416][  T239]  _printk (kernel/printk/printk.c:2504)
[   15.834420][  T239]  ? snapshot_read.cold (user.c:?)
[   15.834427][  T239]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   15.834431][  T239]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   15.834435][  T239]  br_device_event (net/bridge/br.c:111)
[   15.834438][  T239]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   15.834441][  T239]  ? packet_sendmsg_spkt (af_packet.c:?)
[   15.834447][  T239]  notifier_call_chain (kernel/notifier.c:85)
[   15.834453][  T239]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   15.834457][  T239]  ? netif_change_name (net/core/dev.c:1517)
[   15.834460][  T239]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   15.834462][  T239]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.834465][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   15.834468][  T239]  ? write_profile (profile.c:?)
[   15.834472][  T239]  netif_change_flags (net/core/dev.c:9882)
[   15.834476][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.834480][  T239]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.834482][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.834484][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.834486][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.834489][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.834491][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.834493][  T239]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.834496][  T239]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.834498][  T239]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.834499][  T239]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.834501][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.834503][  T239]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.834506][  T239]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.834511][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.834513][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.834516][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834518][  T239]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.834519][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834521][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834523][  T239]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.834525][  T239]  ? __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)
[   15.834527][  T239]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.834529][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.834533][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.834540][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.834546][  T239]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.834551][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.834554][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.834558][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.834560][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.834563][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.834565][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.834569][  T239]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.834571][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.834575][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.834577][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.834581][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.834583][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.834587][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.834589][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.834592][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.834598][  T239]  ? 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))
[   15.834599][  T239]  ? 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))
[   15.834604][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.834607][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.834610][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.834614][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.834618][  T239]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.834622][  T239]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.834628][  T239]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.834630][  T239]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.834632][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.834633][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   15.834640][  T239]  ___sys_sendmsg (net/socket.c:2767)
[   15.834642][  T239]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.834658][  T239]  __sys_sendmsg (net/socket.c:2799)
[   15.834660][  T239]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.834666][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.834670][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.834671][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.834674][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.834677][  T239] RIP: 0033:0x7f6bb2bb554e
[   15.834679][  T239] 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
[   15.834680][  T239] RSP: 002b:00007ffcf48d18b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.834683][  T239] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6bb2bb554e
[   15.834684][  T239] RDX: 0000000000000000 RSI: 00007ffcf48d1960 RDI: 0000000000000005
[   15.834685][  T239] RBP: 00007ffcf48d18c0 R08: 0000000000000000 R09: 0000000000000000
[   15.834686][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9b4
[   15.834686][  T239] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf48d2020
| [   17.942993][  T181] softirqs last disabled at (41930): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   17.942995][  T181] Preemption disabled at:
| [   17.942996][  T181] 0x0
| [   17.943006][  T181] Tainted: [W]=WARN
[   17.943007][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.943008][  T181] Workqueue: events_unbound linkwatch_event
[   17.943012][  T181] Call Trace:
[   17.943014][  T181]  <TASK>
[   17.943015][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.943021][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.943026][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.943029][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   17.943035][  T181]  __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))
[   17.943037][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.943043][  T181]  ? 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)
[   17.943045][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.943049][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   17.943052][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.943056][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   17.943062][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.943069][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.943072][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.943075][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.943080][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.943083][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.943087][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.943089][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.943094][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.943098][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.943099][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   17.943105][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.943107][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.943108][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.943110][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.943114][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.943116][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.943119][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.943122][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.943125][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   17.943127][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   17.943132][  T181]  _printk (kernel/printk/printk.c:2504)
[   17.943135][  T181]  ? snapshot_read.cold (user.c:?)
[   17.943141][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.943145][  T181]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   17.943148][  T181]  br_init_port (net/bridge/br_stp_if.c:39)
[   17.943151][  T181]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   17.943153][  T181]  br_port_carrier_check (net/bridge/br_if.c:90)
[   17.943157][  T181]  br_device_event (net/bridge/br.c:101)
[   17.943160][  T181]  ? packet_sendmsg_spkt (af_packet.c:?)
[   17.943162][  T181]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   17.943168][  T181]  notifier_call_chain (kernel/notifier.c:85)
[   17.943175][  T181]  netif_state_change (net/core/dev.c:1625)
[   17.943179][  T181]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   17.943183][  T181]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   17.943186][  T181]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   17.943189][  T181]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   17.943192][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.943198][  T181]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   17.943200][  T181]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   17.943204][  T181]  process_one_work (kernel/workqueue.c:3387)
[   17.943210][  T181]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   17.943217][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   17.943225][  T181]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   17.943228][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   17.943230][  T181]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   17.943233][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   17.943235][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   17.943237][  T181]  kthread (kernel/kthread.c:436)
[   17.943239][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.943242][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.943245][  T181]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.943250][  T181]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   17.943253][  T181]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.943257][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.943260][  T181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.146459][  T247] softirqs last disabled at (52014): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.146461][  T247] Preemption disabled at:
| [   19.146462][  T247] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.146471][  T247] Tainted: [W]=WARN
[   19.146471][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.146473][  T247] Call Trace:
[   19.146475][  T247]  <TASK>
[   19.146477][  T247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.146482][  T247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.146484][  T247]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.146488][  T247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.146491][  T247]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.146497][  T247]  __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))
[   19.146499][  T247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.146505][  T247]  ? 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)
[   19.146507][  T247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.146511][  T247]  put_chars (drivers/char/virtio_console.c:1176)
[   19.146514][  T247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.146517][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.146521][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.146524][  T247]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.146528][  T247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.146532][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146534][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146538][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146542][  T247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.146544][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.146547][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146549][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.146553][  T247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.146556][  T247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.146560][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146562][  T247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.146566][  T247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.146570][  T247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.146571][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146576][  T247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.146578][  T247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.146580][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146582][  T247]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.146585][  T247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.146587][  T247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.146590][  T247]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.146593][  T247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.146599][  T247]  _printk (kernel/printk/printk.c:2504)
[   19.146602][  T247]  ? snapshot_read.cold (user.c:?)
[   19.146606][  T247]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   19.146608][  T247]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.146611][  T247]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   19.146613][  T247]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.146616][  T247]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.146620][  T247]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.146622][  T247]  ? netdev_notice (net/core/dev.c:13194)
[   19.146626][  T247]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.146629][  T247]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.146633][  T247]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   19.146637][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.146642][  T247]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   19.146645][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   19.146647][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146650][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146657][  T247]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.146662][  T247]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   19.146663][  T247]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   19.146666][  T247]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   19.146671][  T247]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   19.146676][  T247]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.146678][  T247]  ? 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)
[   19.146680][  T247]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.146682][  T247]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   19.146688][  T247]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.146690][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146692][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146694][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146696][  T247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.146717][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146719][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146722][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146724][  T247]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.146726][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146731][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146733][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146735][  T247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.146737][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.146741][  T247]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.146743][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.146747][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.146748][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146753][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.146755][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.146758][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.146762][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.146765][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.146771][  T247]  ? 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))
[   19.146772][  T247]  ? 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))
[   19.146777][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.146780][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.146783][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.146787][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.146791][  T247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.146794][  T247]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.146800][  T247]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.146803][  T247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.146805][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.146806][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   19.146813][  T247]  ___sys_sendmsg (net/socket.c:2767)
[   19.146816][  T247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.146831][  T247]  __sys_sendmsg (net/socket.c:2799)
[   19.146833][  T247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.146839][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.146842][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.146844][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.146846][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.146848][  T247] RIP: 0033:0x7fcd5e3a154e
[   19.146852][  T247] 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
[   19.146854][  T247] RSP: 002b:00007ffc9ffd60b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.146856][  T247] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcd5e3a154e
[   19.146858][  T247] RDX: 0000000000000000 RSI: 00007ffc9ffd6160 RDI: 0000000000000005
[   19.146858][  T247] RBP: 00007ffc9ffd60c0 R08: 0000000000000000 R09: 0000000000000000
[   19.146859][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9b7
[   19.146860][  T247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc9ffd6820
| [   20.832094][  T261] softirqs last disabled at (42364): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   20.832096][  T261] Preemption disabled at:
| [   20.832097][  T261] 0x0
| [   20.832107][  T261] Tainted: [W]=WARN
[   20.832107][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.832109][  T261] Call Trace:
[   20.832111][  T261]  <TASK>
[   20.832112][  T261]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.832118][  T261]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.832122][  T261]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.832126][  T261]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.832131][  T261]  __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))
[   20.832134][  T261]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.832140][  T261]  ? 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)
[   20.832142][  T261]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.832146][  T261]  put_chars (drivers/char/virtio_console.c:1176)
[   20.832148][  T261]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   20.832151][  T261]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.832157][  T261]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.832164][  T261]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.832168][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.832172][  T261]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.832176][  T261]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.832179][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832183][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.832187][  T261]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.832190][  T261]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.832192][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.832197][  T261]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.832200][  T261]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.832201][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832203][  T261]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.832206][  T261]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.832208][  T261]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.832211][  T261]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.832215][  T261]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.832216][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.832219][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.832221][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.832226][  T261]  _printk (kernel/printk/printk.c:2504)
[   20.832229][  T261]  ? snapshot_read.cold (user.c:?)
[   20.832240][  T261]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   20.832244][  T261]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   20.832248][  T261]  br_device_event (net/bridge/br.c:111)
[   20.832250][  T261]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   20.832254][  T261]  ? packet_sendmsg_spkt (af_packet.c:?)
[   20.832260][  T261]  notifier_call_chain (kernel/notifier.c:85)
[   20.832266][  T261]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   20.832270][  T261]  ? netif_change_name (net/core/dev.c:1517)
[   20.832272][  T261]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   20.832275][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.832278][  T261]  ? __kernel_text_address (kernel/extable.c:79)
[   20.832280][  T261]  ? write_profile (profile.c:?)
[   20.832285][  T261]  netif_change_flags (net/core/dev.c:9882)
[   20.832289][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   20.832292][  T261]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.832295][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.832296][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.832299][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.832302][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.832304][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.832306][  T261]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.832309][  T261]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.832311][  T261]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.832312][  T261]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.832314][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.832316][  T261]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   20.832319][  T261]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.832324][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.832326][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.832329][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832331][  T261]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.832332][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832334][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832335][  T261]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.832338][  T261]  ? __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)
[   20.832339][  T261]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.832341][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.832345][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.832350][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.832356][  T261]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.832362][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.832364][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.832368][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.832371][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.832373][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.832375][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.832379][  T261]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.832381][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.832385][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.832387][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.832391][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.832393][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.832397][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.832399][  T261]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.832402][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.832408][  T261]  ? 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))
[   20.832410][  T261]  ? 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))
[   20.832414][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.832417][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.832420][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.832424][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.832428][  T261]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.832432][  T261]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.832438][  T261]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.832440][  T261]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.832442][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.832443][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   20.832450][  T261]  ___sys_sendmsg (net/socket.c:2767)
[   20.832453][  T261]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.832468][  T261]  __sys_sendmsg (net/socket.c:2799)
[   20.832470][  T261]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.832476][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.832480][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.832481][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.832485][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.832487][  T261] RIP: 0033:0x7fd5bd89754e
[   20.832489][  T261] 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
[   20.832491][  T261] RSP: 002b:00007ffc1828d2f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.832493][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd5bd89754e
[   20.832495][  T261] RDX: 0000000000000000 RSI: 00007ffc1828d3a0 RDI: 0000000000000005
[   20.832495][  T261] RBP: 00007ffc1828d300 R08: 0000000000000000 R09: 0000000000000000
[   20.832496][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9b9
[   20.832497][  T261] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1828da60
| [   22.945443][  T181] softirqs last disabled at (69580): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   22.945446][  T181] Preemption disabled at:
| [   22.945446][  T181] 0x0
| [   22.945457][  T181] Tainted: [W]=WARN
[   22.945458][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.945460][  T181] Workqueue: events_unbound linkwatch_event
[   22.945463][  T181] Call Trace:
[   22.945465][  T181]  <TASK>
[   22.945466][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.945472][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.945476][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.945480][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.945485][  T181]  __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))
[   22.945488][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.945494][  T181]  ? 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)
[   22.945496][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.945500][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   22.945503][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.945506][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.945512][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.945519][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.945522][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.945526][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.945530][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.945533][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.945539][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.945541][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.945545][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.945549][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.945550][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.945556][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.945558][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.945560][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.945561][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.945565][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.945567][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.945570][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.945574][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.945576][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.945578][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.945583][  T181]  _printk (kernel/printk/printk.c:2504)
[   22.945587][  T181]  ? snapshot_read.cold (user.c:?)
[   22.945592][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.945596][  T181]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   22.945600][  T181]  br_init_port (net/bridge/br_stp_if.c:39)
[   22.945603][  T181]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   22.945604][  T181]  br_port_carrier_check (net/bridge/br_if.c:90)
[   22.945608][  T181]  br_device_event (net/bridge/br.c:101)
[   22.945612][  T181]  ? packet_sendmsg_spkt (af_packet.c:?)
[   22.945614][  T181]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   22.945620][  T181]  notifier_call_chain (kernel/notifier.c:85)
[   22.945626][  T181]  netif_state_change (net/core/dev.c:1625)
[   22.945630][  T181]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   22.945635][  T181]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   22.945637][  T181]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   22.945641][  T181]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.945644][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.945648][  T181]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   22.945651][  T181]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   22.945654][  T181]  process_one_work (kernel/workqueue.c:3387)
[   22.945660][  T181]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   22.945663][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.945671][  T181]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   22.945674][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.945676][  T181]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   22.945679][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.945681][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   22.945683][  T181]  kthread (kernel/kthread.c:436)
[   22.945685][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   22.945688][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.945691][  T181]  ret_from_fork (arch/x86/kernel/process.c:158)
[   22.945696][  T181]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   22.945699][  T181]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   22.945702][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   22.945705][  T181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.263154][  T269] softirqs last disabled at (42997): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   24.263157][  T269] Preemption disabled at:
| [   24.263157][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.263165][  T269] Tainted: [W]=WARN
[   24.263165][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.263167][  T269] Call Trace:
[   24.263168][  T269]  <TASK>
[   24.263169][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.263174][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.263176][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.263181][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.263184][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.263189][  T269]  __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))
[   24.263192][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.263198][  T269]  ? 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)
[   24.263200][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.263203][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   24.263206][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.263210][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.263213][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.263215][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.263220][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.263223][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.263225][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263227][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263231][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.263234][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.263236][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.263238][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.263243][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.263246][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.263250][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.263252][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.263256][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.263259][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.263264][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263269][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.263272][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.263273][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.263275][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.263279][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.263281][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.263283][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.263286][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.263291][  T269]  _printk (kernel/printk/printk.c:2504)
[   24.263295][  T269]  ? snapshot_read.cold (user.c:?)
[   24.263298][  T269]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   24.263300][  T269]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.263303][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   24.263306][  T269]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.263309][  T269]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.263312][  T269]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.263314][  T269]  ? netdev_notice (net/core/dev.c:13194)
[   24.263318][  T269]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   24.263321][  T269]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   24.263325][  T269]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   24.263329][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.263334][  T269]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   24.263337][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   24.263339][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.263342][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.263349][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.263354][  T269]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   24.263355][  T269]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   24.263359][  T269]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   24.263364][  T269]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   24.263369][  T269]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   24.263370][  T269]  ? 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)
[   24.263372][  T269]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.263374][  T269]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   24.263380][  T269]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   24.263382][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.263384][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263386][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263388][  T269]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.263409][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.263411][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.263414][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.263416][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.263418][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263423][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.263425][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.263427][  T269]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.263429][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.263433][  T269]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.263435][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.263439][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.263440][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263445][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.263447][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.263450][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.263453][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.263457][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.263463][  T269]  ? 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))
[   24.263464][  T269]  ? 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))
[   24.263468][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.263472][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.263474][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.263479][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.263482][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.263486][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.263492][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.263495][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.263497][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.263498][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   24.263505][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   24.263507][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.263522][  T269]  __sys_sendmsg (net/socket.c:2799)
[   24.263525][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.263530][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.263534][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.263537][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.263540][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.263542][  T269] RIP: 0033:0x7f2820ab654e
[   24.263545][  T269] 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
[   24.263547][  T269] RSP: 002b:00007ffed443f050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.263549][  T269] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2820ab654e
[   24.263551][  T269] RDX: 0000000000000000 RSI: 00007ffed443f100 RDI: 0000000000000005
[   24.263551][  T269] RBP: 00007ffed443f060 R08: 0000000000000000 R09: 0000000000000000
[   24.263552][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9bc
[   24.263553][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed443f7c0
| [   25.696770][  T210] softirqs last disabled at (8248): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.696773][  T210] Preemption disabled at:
| [   25.696773][  T210] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.696783][  T210] Tainted: [W]=WARN
[   25.696784][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.696786][  T210] Workqueue: bond0 bond_mii_monitor
[   25.696789][  T210] Call Trace:
[   25.696791][  T210]  <TASK>
[   25.696795][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.696800][  T210]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.696802][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.696806][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.696809][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.696814][  T210]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.696817][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.696823][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.696825][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.696828][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   25.696832][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.696834][  T210]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.696837][  T210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.696840][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.696845][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.696849][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.696851][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.696855][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.696859][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.696862][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.696866][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.696869][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.696873][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.696875][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.696879][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.696883][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.696884][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.696889][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.696892][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.696893][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.696895][  T210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.696899][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.696901][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.696903][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.696907][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.696908][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.696911][  T210]  ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2))
[   25.696916][  T210]  _printk (kernel/printk/printk.c:2504)
[   25.696920][  T210]  ? snapshot_read.cold (user.c:?)
[   25.696924][  T210]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.696928][  T210]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.696931][  T210]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.696933][  T210]  ? netdev_notice (net/core/dev.c:13194)
[   25.696937][  T210]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   25.696944][  T210]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   25.696951][  T210]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   25.696952][  T210]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.696955][  T210]  ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186)
[   25.696958][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.696959][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.696964][  T210]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   25.696966][  T210]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   25.696968][  T210]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   25.696970][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.696971][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.696973][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.696976][  T210]  ? process_one_work (kernel/workqueue.c:3386)
[   25.696978][  T210]  process_one_work (kernel/workqueue.c:3387)
[   25.696983][  T210]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.696986][  T210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.696993][  T210]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.696997][  T210]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.696998][  T210]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   25.697002][  T210]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.697004][  T210]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.697005][  T210]  kthread (kernel/kthread.c:436)
[   25.697007][  T210]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.697011][  T210]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.697014][  T210]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.697018][  T210]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.697021][  T210]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.697025][  T210]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.697028][  T210]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.006985][   T36] softirqs last disabled at (84768): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   28.006988][   T36] Preemption disabled at:
| [   28.006989][   T36] 0x0
| [   28.006999][   T36] Tainted: [W]=WARN
[   28.007000][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.007001][   T36] Workqueue: events_unbound linkwatch_event
[   28.007005][   T36] Call Trace:
[   28.007007][   T36]  <TASK>
[   28.007008][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.007014][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.007018][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.007022][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.007027][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.007030][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.007036][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.007038][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.007042][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   28.007045][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.007049][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.007054][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.007062][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.007064][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.007068][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.007072][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.007076][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.007080][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.007082][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.007086][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.007090][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.007091][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.007096][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.007099][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.007100][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.007102][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.007106][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.007108][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.007111][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.007114][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.007117][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.007119][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.007124][   T36]  _printk (kernel/printk/printk.c:2504)
[   28.007127][   T36]  ? snapshot_read.cold (user.c:?)
[   28.007132][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.007137][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.007140][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.007143][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   28.007145][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   28.007149][   T36]  br_device_event (net/bridge/br.c:101)
[   28.007152][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.007154][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.007161][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   28.007167][   T36]  netif_state_change (net/core/dev.c:1625)
[   28.007171][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   28.007175][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   28.007178][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   28.007181][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.007184][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.007188][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   28.007191][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   28.007195][   T36]  process_one_work (kernel/workqueue.c:3387)
[   28.007201][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.007204][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.007211][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.007218][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.007219][   T36]  kthread (kernel/kthread.c:436)
[   28.007222][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.007226][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.007229][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.007233][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.007237][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.007240][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.007243][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.192265][  T291] softirqs last disabled at (44670): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.192268][  T291] Preemption disabled at:
| [   29.192268][  T291] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.192276][  T291] Tainted: [W]=WARN
[   29.192277][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.192278][  T291] Call Trace:
[   29.192279][  T291]  <TASK>
[   29.192281][  T291]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.192286][  T291]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.192288][  T291]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.192292][  T291]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.192295][  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)
[   29.192305][  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))
[   29.192308][  T291]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.192313][  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)
[   29.192315][  T291]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.192319][  T291]  put_chars (drivers/char/virtio_console.c:1176)
[   29.192322][  T291]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.192325][  T291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.192328][  T291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.192331][  T291]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.192335][  T291]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.192339][  T291]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.192341][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192343][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192347][  T291]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.192349][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.192352][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.192354][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.192358][  T291]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.192361][  T291]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.192365][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.192367][  T291]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.192371][  T291]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.192374][  T291]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.192375][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192380][  T291]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.192383][  T291]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.192384][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.192386][  T291]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.192390][  T291]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.192392][  T291]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.192394][  T291]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.192397][  T291]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.192402][  T291]  _printk (kernel/printk/printk.c:2504)
[   29.192406][  T291]  ? snapshot_read.cold (user.c:?)
[   29.192409][  T291]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.192411][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.192414][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   29.192416][  T291]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.192419][  T291]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.192422][  T291]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.192424][  T291]  ? netdev_notice (net/core/dev.c:13194)
[   29.192429][  T291]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   29.192432][  T291]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   29.192436][  T291]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   29.192439][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.192444][  T291]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   29.192447][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   29.192449][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.192452][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.192459][  T291]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.192464][  T291]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   29.192465][  T291]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   29.192468][  T291]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   29.192473][  T291]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   29.192478][  T291]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.192480][  T291]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.192482][  T291]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.192484][  T291]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   29.192490][  T291]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   29.192492][  T291]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.192494][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192496][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192498][  T291]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.192518][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.192520][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.192523][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.192525][  T291]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.192528][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192532][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.192534][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.192538][  T291]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.192540][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.192544][  T291]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.192546][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.192550][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.192552][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192556][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.192558][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.192561][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.192564][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.192567][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.192573][  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))
[   29.192575][  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))
[   29.192579][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.192583][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.192585][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.192589][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.192593][  T291]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.192597][  T291]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.192603][  T291]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.192606][  T291]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.192607][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.192609][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   29.192615][  T291]  ___sys_sendmsg (net/socket.c:2767)
[   29.192618][  T291]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.192633][  T291]  __sys_sendmsg (net/socket.c:2799)
[   29.192635][  T291]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.192641][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.192644][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.192646][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.192648][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.192650][  T291] RIP: 0033:0x7fa2a030554e
[   29.192654][  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
[   29.192656][  T291] RSP: 002b:00007ffe8ebdc680 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.192658][  T291] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa2a030554e
[   29.192660][  T291] RDX: 0000000000000000 RSI: 00007ffe8ebdc730 RDI: 0000000000000005
[   29.192661][  T291] RBP: 00007ffe8ebdc690 R08: 0000000000000000 R09: 0000000000000000
[   29.192661][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9c1
[   29.192662][  T291] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ebdcdf0
| [   30.877458][  T306] softirqs last disabled at (39882): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   30.877460][  T306] Preemption disabled at:
| [   30.877461][  T306] 0x0
| [   30.877470][  T306] Tainted: [W]=WARN
[   30.877471][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.877472][  T306] Call Trace:
[   30.877474][  T306]  <TASK>
[   30.877476][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.877481][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.877486][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.877490][  T306]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.877495][  T306]  __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))
[   30.877498][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.877504][  T306]  ? 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)
[   30.877506][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.877509][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   30.877511][  T306]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   30.877514][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.877521][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.877528][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.877531][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.877537][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.877541][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.877545][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877548][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.877552][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.877556][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.877557][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.877563][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.877565][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.877567][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877569][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.877572][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.877574][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.877577][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.877580][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.877582][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.877584][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.877587][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.877591][  T306]  _printk (kernel/printk/printk.c:2504)
[   30.877595][  T306]  ? snapshot_read.cold (user.c:?)
[   30.877602][  T306]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   30.877606][  T306]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   30.877609][  T306]  br_device_event (net/bridge/br.c:111)
[   30.877611][  T306]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   30.877615][  T306]  ? packet_sendmsg_spkt (af_packet.c:?)
[   30.877621][  T306]  notifier_call_chain (kernel/notifier.c:85)
[   30.877627][  T306]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   30.877632][  T306]  ? netif_change_name (net/core/dev.c:1517)
[   30.877634][  T306]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   30.877637][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.877640][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   30.877642][  T306]  ? write_profile (profile.c:?)
[   30.877647][  T306]  netif_change_flags (net/core/dev.c:9882)
[   30.877651][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   30.877654][  T306]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.877657][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.877658][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.877660][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.877664][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.877666][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.877668][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.877671][  T306]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.877673][  T306]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.877674][  T306]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.877676][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.877679][  T306]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   30.877681][  T306]  ? ___sys_sendmsg (net/socket.c:2757)
[   30.877686][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.877688][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.877691][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877693][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.877695][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877696][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877698][  T306]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.877701][  T306]  ? __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)
[   30.877702][  T306]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.877704][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.877708][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.877713][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.877719][  T306]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.877725][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.877727][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.877732][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.877734][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.877736][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.877738][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.877742][  T306]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.877745][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.877748][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.877750][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.877755][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.877757][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.877761][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.877762][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.877766][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.877772][  T306]  ? 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))
[   30.877773][  T306]  ? 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))
[   30.877778][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.877782][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.877784][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.877789][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.877792][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.877796][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.877802][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.877804][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.877806][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.877808][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   30.877815][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   30.877817][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.877833][  T306]  __sys_sendmsg (net/socket.c:2799)
[   30.877835][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.877842][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.877845][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.877847][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.877850][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.877852][  T306] RIP: 0033:0x7ff2d2e2854e
[   30.877854][  T306] 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
[   30.877856][  T306] RSP: 002b:00007fff87c7f840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.877858][  T306] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff2d2e2854e
[   30.877859][  T306] RDX: 0000000000000000 RSI: 00007fff87c7f8f0 RDI: 0000000000000005
[   30.877860][  T306] RBP: 00007fff87c7f850 R08: 0000000000000000 R09: 0000000000000000
[   30.877861][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9c3
[   30.877862][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff87c7ffb0
| [   32.973958][   T39] softirqs last disabled at (124310): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   32.973960][   T39] Preemption disabled at:
| [   32.973961][   T39] 0x0
| [   32.973970][   T39] Tainted: [W]=WARN
[   32.973971][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.973973][   T39] Workqueue: events_unbound linkwatch_event
[   32.973976][   T39] Call Trace:
[   32.973978][   T39]  <TASK>
[   32.973980][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.973985][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.973989][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.973993][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.973997][   T39]  __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))
[   32.974000][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.974006][   T39]  ? 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)
[   32.974008][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.974011][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   32.974014][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.974018][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.974023][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.974030][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.974033][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.974036][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.974040][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.974043][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.974047][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.974049][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.974054][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.974057][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.974059][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.974064][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.974067][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.974068][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.974070][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.974074][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.974076][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.974078][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.974081][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.974084][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.974086][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.974091][   T39]  _printk (kernel/printk/printk.c:2504)
[   32.974094][   T39]  ? snapshot_read.cold (user.c:?)
[   32.974099][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.974103][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   32.974107][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   32.974110][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   32.974112][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   32.974115][   T39]  br_device_event (net/bridge/br.c:101)
[   32.974118][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   32.974120][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   32.974127][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   32.974133][   T39]  netif_state_change (net/core/dev.c:1625)
[   32.974137][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   32.974141][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   32.974144][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   32.974147][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.974150][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.974154][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   32.974157][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   32.974161][   T39]  process_one_work (kernel/workqueue.c:3387)
[   32.974167][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   32.974169][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.974177][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   32.974184][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   32.974185][   T39]  kthread (kernel/kthread.c:436)
[   32.974188][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.974191][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.974195][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.974199][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   32.974203][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.974206][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   32.974210][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.300557][  T314] softirqs last disabled at (36716): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.300560][  T314] Preemption disabled at:
| [   34.300560][  T314] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.300568][  T314] Tainted: [W]=WARN
[   34.300569][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.300570][  T314] Call Trace:
[   34.300572][  T314]  <TASK>
[   34.300573][  T314]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.300578][  T314]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.300580][  T314]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.300584][  T314]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.300587][  T314]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.300592][  T314]  __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))
[   34.300595][  T314]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.300600][  T314]  ? 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)
[   34.300602][  T314]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.300605][  T314]  put_chars (drivers/char/virtio_console.c:1176)
[   34.300608][  T314]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.300612][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.300615][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.300618][  T314]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.300622][  T314]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.300625][  T314]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.300627][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300629][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300633][  T314]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.300635][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   34.300638][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.300640][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.300644][  T314]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.300647][  T314]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.300651][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.300653][  T314]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.300657][  T314]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.300660][  T314]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.300662][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300667][  T314]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.300669][  T314]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.300671][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.300672][  T314]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.300676][  T314]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.300679][  T314]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.300683][  T314]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.300688][  T314]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.300696][  T314]  _printk (kernel/printk/printk.c:2504)
[   34.300700][  T314]  ? snapshot_read.cold (user.c:?)
[   34.300706][  T314]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   34.300708][  T314]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.300712][  T314]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   34.300715][  T314]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.300718][  T314]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.300721][  T314]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.300723][  T314]  ? netdev_notice (net/core/dev.c:13194)
[   34.300727][  T314]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   34.300730][  T314]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   34.300734][  T314]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   34.300738][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.300743][  T314]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   34.300746][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   34.300748][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.300751][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.300758][  T314]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.300763][  T314]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   34.300764][  T314]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   34.300767][  T314]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   34.300772][  T314]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   34.300777][  T314]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   34.300779][  T314]  ? 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)
[   34.300781][  T314]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.300782][  T314]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   34.300789][  T314]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   34.300791][  T314]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.300793][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300795][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300797][  T314]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.300817][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.300820][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.300822][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.300825][  T314]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.300827][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300831][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.300834][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.300836][  T314]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.300838][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.300842][  T314]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.300844][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.300848][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.300850][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300854][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.300856][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.300860][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.300862][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.300866][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.300872][  T314]  ? 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))
[   34.300873][  T314]  ? 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))
[   34.300877][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.300881][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.300883][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.300888][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.300891][  T314]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.300895][  T314]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.300901][  T314]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.300904][  T314]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.300905][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.300907][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   34.300914][  T314]  ___sys_sendmsg (net/socket.c:2767)
[   34.300916][  T314]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.300931][  T314]  __sys_sendmsg (net/socket.c:2799)
[   34.300934][  T314]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.300939][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.300942][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.300944][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.300946][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.300949][  T314] RIP: 0033:0x7fb1de39754e
[   34.300952][  T314] 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
[   34.300954][  T314] RSP: 002b:00007ffc46cfd3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.300957][  T314] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb1de39754e
[   34.300958][  T314] RDX: 0000000000000000 RSI: 00007ffc46cfd480 RDI: 0000000000000005
[   34.300959][  T314] RBP: 00007ffc46cfd3e0 R08: 0000000000000000 R09: 0000000000000000
[   34.300960][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9c6
[   34.300960][  T314] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc46cfdb40
| [   36.001304][  T328] softirqs last disabled at (45004): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   36.001306][  T328] Preemption disabled at:
| [   36.001307][  T328] 0x0
| [   36.001317][  T328] Tainted: [W]=WARN
[   36.001317][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.001319][  T328] Call Trace:
[   36.001321][  T328]  <TASK>
[   36.001322][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.001328][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.001333][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.001336][  T328]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.001341][  T328]  __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))
[   36.001344][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.001349][  T328]  ? 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)
[   36.001351][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.001359][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   36.001362][  T328]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   36.001364][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.001371][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.001378][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.001381][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001386][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.001389][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.001393][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001397][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001401][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.001404][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.001406][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.001411][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.001414][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.001415][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001417][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.001421][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.001422][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.001425][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.001428][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.001430][  T328]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.001433][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.001435][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.001439][  T328]  _printk (kernel/printk/printk.c:2504)
[   36.001443][  T328]  ? snapshot_read.cold (user.c:?)
[   36.001450][  T328]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.001454][  T328]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   36.001457][  T328]  br_device_event (net/bridge/br.c:111)
[   36.001459][  T328]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.001463][  T328]  ? packet_sendmsg_spkt (af_packet.c:?)
[   36.001469][  T328]  notifier_call_chain (kernel/notifier.c:85)
[   36.001475][  T328]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.001479][  T328]  ? netif_change_name (net/core/dev.c:1517)
[   36.001481][  T328]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.001484][  T328]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.001487][  T328]  ? __kernel_text_address (kernel/extable.c:79)
[   36.001489][  T328]  ? write_profile (profile.c:?)
[   36.001494][  T328]  netif_change_flags (net/core/dev.c:9882)
[   36.001497][  T328]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.001501][  T328]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.001503][  T328]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.001505][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.001507][  T328]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.001510][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.001512][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.001514][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.001517][  T328]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.001519][  T328]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.001520][  T328]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.001522][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.001524][  T328]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.001527][  T328]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.001532][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.001534][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.001539][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001541][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.001543][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001544][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001546][  T328]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.001548][  T328]  ? __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)
[   36.001550][  T328]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.001552][  T328]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.001555][  T328]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.001561][  T328]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.001566][  T328]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.001572][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.001574][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.001579][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.001581][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.001584][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.001586][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.001590][  T328]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.001592][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.001596][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.001597][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.001602][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.001604][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.001608][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.001610][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.001613][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.001619][  T328]  ? 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))
[   36.001621][  T328]  ? 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))
[   36.001625][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.001629][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.001631][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.001636][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.001639][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.001643][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.001649][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.001651][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.001653][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.001655][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   36.001662][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   36.001664][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.001680][  T328]  __sys_sendmsg (net/socket.c:2799)
[   36.001683][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.001689][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.001692][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.001693][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.001697][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.001699][  T328] RIP: 0033:0x7fa50edb554e
[   36.001701][  T328] 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
[   36.001702][  T328] RSP: 002b:00007fff846e4f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.001705][  T328] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa50edb554e
[   36.001706][  T328] RDX: 0000000000000000 RSI: 00007fff846e5030 RDI: 0000000000000005
[   36.001707][  T328] RBP: 00007fff846e4f90 R08: 0000000000000000 R09: 0000000000000000
[   36.001708][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9c8
[   36.001709][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff846e56f0
| [   38.094963][   T39] softirqs last disabled at (145018): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   38.094966][   T39] Preemption disabled at:
| [   38.094966][   T39] 0x0
| [   38.094975][   T39] Tainted: [W]=WARN
[   38.094975][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.094977][   T39] Workqueue: events_unbound linkwatch_event
[   38.094980][   T39] Call Trace:
[   38.094982][   T39]  <TASK>
[   38.094984][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.094989][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.094993][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.094996][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.095001][   T39]  __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))
[   38.095003][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.095009][   T39]  ? 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)
[   38.095011][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.095014][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   38.095017][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.095020][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.095026][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.095033][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.095036][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.095039][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.095043][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.095046][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.095050][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.095052][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.095056][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.095060][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.095062][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.095067][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.095069][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.095071][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.095073][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.095077][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.095078][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.095081][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.095085][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.095087][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.095089][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.095094][   T39]  _printk (kernel/printk/printk.c:2504)
[   38.095097][   T39]  ? snapshot_read.cold (user.c:?)
[   38.095102][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.095106][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.095110][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.095112][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   38.095114][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   38.095118][   T39]  br_device_event (net/bridge/br.c:101)
[   38.095121][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.095123][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   38.095129][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   38.095136][   T39]  netif_state_change (net/core/dev.c:1625)
[   38.095140][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.095144][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.095147][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.095150][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.095153][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.095157][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.095160][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.095164][   T39]  process_one_work (kernel/workqueue.c:3387)
[   38.095170][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.095172][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.095180][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.095186][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.095188][   T39]  kthread (kernel/kthread.c:436)
[   38.095191][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.095194][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.095198][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.095202][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.095206][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.095209][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.095212][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.424811][  T336] softirqs last disabled at (43102): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.424814][  T336] Preemption disabled at:
| [   39.424814][  T336] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.424821][  T336] Tainted: [W]=WARN
[   39.424822][  T336] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.424823][  T336] Call Trace:
[   39.424825][  T336]  <TASK>
[   39.424826][  T336]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.424831][  T336]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.424833][  T336]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.424837][  T336]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.424841][  T336]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.424845][  T336]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.424848][  T336]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.424853][  T336]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.424855][  T336]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.424859][  T336]  put_chars (drivers/char/virtio_console.c:1176)
[   39.424862][  T336]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.424865][  T336]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.424869][  T336]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.424872][  T336]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.424876][  T336]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.424879][  T336]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.424881][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.424883][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.424887][  T336]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.424890][  T336]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.424892][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.424894][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.424899][  T336]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.424902][  T336]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.424906][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.424908][  T336]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.424912][  T336]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.424915][  T336]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.424917][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.424922][  T336]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.424924][  T336]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.424926][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.424928][  T336]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.424931][  T336]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.424933][  T336]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.424936][  T336]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.424939][  T336]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.424944][  T336]  _printk (kernel/printk/printk.c:2504)
[   39.424948][  T336]  ? snapshot_read.cold (user.c:?)
[   39.424951][  T336]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   39.424953][  T336]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   39.424956][  T336]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   39.424959][  T336]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.424961][  T336]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.424965][  T336]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.424967][  T336]  ? netdev_notice (net/core/dev.c:13194)
[   39.424971][  T336]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   39.424974][  T336]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   39.424979][  T336]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   39.424982][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.424987][  T336]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   39.424991][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   39.424993][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.424996][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.425004][  T336]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.425009][  T336]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   39.425010][  T336]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   39.425013][  T336]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   39.425018][  T336]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   39.425023][  T336]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.425025][  T336]  ? 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)
[   39.425027][  T336]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.425029][  T336]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   39.425036][  T336]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.425038][  T336]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.425040][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.425042][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.425044][  T336]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.425066][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.425068][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.425071][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.425073][  T336]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.425075][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.425080][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.425082][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.425084][  T336]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.425086][  T336]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.425090][  T336]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.425093][  T336]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.425096][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.425098][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.425103][  T336]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.425105][  T336]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.425108][  T336]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.425111][  T336]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.425114][  T336]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.425121][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.425122][  T336]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.425127][  T336]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.425130][  T336]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.425133][  T336]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.425137][  T336]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.425141][  T336]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.425145][  T336]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.425151][  T336]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.425154][  T336]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.425156][  T336]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.425157][  T336]  ? move_addr_to_kernel (net/socket.c:258)
[   39.425164][  T336]  ___sys_sendmsg (net/socket.c:2767)
[   39.425167][  T336]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.425182][  T336]  __sys_sendmsg (net/socket.c:2799)
[   39.425185][  T336]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.425191][  T336]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.425194][  T336]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.425196][  T336]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.425198][  T336]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.425200][  T336] RIP: 0033:0x7f9c1c7f554e
[   39.425204][  T336] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.425205][  T336] RSP: 002b:00007fff3b3feed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.425208][  T336] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9c1c7f554e
[   39.425209][  T336] RDX: 0000000000000000 RSI: 00007fff3b3fef80 RDI: 0000000000000005
[   39.425210][  T336] RBP: 00007fff3b3feee0 R08: 0000000000000000 R09: 0000000000000000
[   39.425211][  T336] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9cb
[   39.425212][  T336] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff3b3ff640
| [   41.176762][  T351] softirqs last disabled at (37234): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   41.176764][  T351] Preemption disabled at:
| [   41.176765][  T351] 0x0
| [   41.176775][  T351] Tainted: [W]=WARN
[   41.176776][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.176778][  T351] Call Trace:
[   41.176779][  T351]  <TASK>
[   41.176781][  T351]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.176787][  T351]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.176791][  T351]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.176795][  T351]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.176800][  T351]  __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))
[   41.176803][  T351]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.176809][  T351]  ? 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)
[   41.176811][  T351]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.176815][  T351]  put_chars (drivers/char/virtio_console.c:1176)
[   41.176817][  T351]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   41.176819][  T351]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.176826][  T351]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.176833][  T351]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.176836][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.176841][  T351]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.176844][  T351]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.176848][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.176852][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.176856][  T351]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.176859][  T351]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.176861][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.176866][  T351]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.176868][  T351]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.176870][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.176872][  T351]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.176875][  T351]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.176877][  T351]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.176880][  T351]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.176883][  T351]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.176885][  T351]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.176887][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.176890][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.176894][  T351]  _printk (kernel/printk/printk.c:2504)
[   41.176898][  T351]  ? snapshot_read.cold (user.c:?)
[   41.176905][  T351]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.176908][  T351]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   41.176912][  T351]  br_device_event (net/bridge/br.c:111)
[   41.176914][  T351]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   41.176918][  T351]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.176924][  T351]  notifier_call_chain (kernel/notifier.c:85)
[   41.176930][  T351]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   41.176934][  T351]  ? netif_change_name (net/core/dev.c:1517)
[   41.176937][  T351]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.176939][  T351]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.176942][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   41.176945][  T351]  ? write_profile (profile.c:?)
[   41.176950][  T351]  netif_change_flags (net/core/dev.c:9882)
[   41.176953][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.176957][  T351]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.176959][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.176961][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.176963][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.176966][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.176968][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.176970][  T351]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.176973][  T351]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.176975][  T351]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.176976][  T351]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.176978][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.176980][  T351]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   41.176983][  T351]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.176988][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.176990][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.176993][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.176995][  T351]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.176996][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.176998][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.176999][  T351]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.177002][  T351]  ? __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)
[   41.177004][  T351]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.177006][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.177009][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.177014][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.177020][  T351]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.177026][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.177028][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.177032][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.177034][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.177037][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.177039][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.177043][  T351]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.177045][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.177049][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.177051][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.177055][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.177057][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.177061][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.177063][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.177066][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.177072][  T351]  ? 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))
[   41.177073][  T351]  ? 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))
[   41.177078][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.177081][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.177084][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.177088][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.177092][  T351]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.177096][  T351]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.177101][  T351]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.177103][  T351]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.177105][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.177107][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   41.177114][  T351]  ___sys_sendmsg (net/socket.c:2767)
[   41.177116][  T351]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.177131][  T351]  __sys_sendmsg (net/socket.c:2799)
[   41.177134][  T351]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.177140][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.177143][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.177145][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.177148][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.177150][  T351] RIP: 0033:0x7f5183b5c54e
[   41.177152][  T351] 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
[   41.177154][  T351] RSP: 002b:00007fff9e3ed610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.177156][  T351] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5183b5c54e
[   41.177158][  T351] RDX: 0000000000000000 RSI: 00007fff9e3ed6c0 RDI: 0000000000000005
[   41.177158][  T351] RBP: 00007fff9e3ed620 R08: 0000000000000000 R09: 0000000000000000
[   41.177159][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9cd
[   41.177160][  T351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9e3edd80
| [   43.283986][  T181] softirqs last disabled at (104008): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   43.283989][  T181] Preemption disabled at:
| [   43.283989][  T181] 0x0
| [   43.283998][  T181] Tainted: [W]=WARN
[   43.283999][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.284001][  T181] Workqueue: events_unbound linkwatch_event
[   43.284004][  T181] Call Trace:
[   43.284006][  T181]  <TASK>
[   43.284008][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.284014][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.284018][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.284021][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.284026][  T181]  __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))
[   43.284029][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.284034][  T181]  ? 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)
[   43.284036][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.284040][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[   43.284042][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.284046][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.284051][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.284058][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.284061][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.284064][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.284068][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.284072][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.284076][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.284078][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.284082][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.284086][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.284087][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.284093][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.284095][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.284096][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.284098][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.284102][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.284104][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.284107][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.284110][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.284112][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.284115][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.284119][  T181]  _printk (kernel/printk/printk.c:2504)
[   43.284122][  T181]  ? snapshot_read.cold (user.c:?)
[   43.284128][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.284132][  T181]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.284135][  T181]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.284138][  T181]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   43.284140][  T181]  br_port_carrier_check (net/bridge/br_if.c:90)
[   43.284144][  T181]  br_device_event (net/bridge/br.c:101)
[   43.284147][  T181]  ? packet_sendmsg_spkt (af_packet.c:?)
[   43.284149][  T181]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   43.284155][  T181]  notifier_call_chain (kernel/notifier.c:85)
[   43.284161][  T181]  netif_state_change (net/core/dev.c:1625)
[   43.284165][  T181]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   43.284170][  T181]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   43.284172][  T181]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   43.284176][  T181]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.284179][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.284183][  T181]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   43.284186][  T181]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   43.284190][  T181]  process_one_work (kernel/workqueue.c:3387)
[   43.284197][  T181]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.284199][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.284207][  T181]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.284211][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.284212][  T181]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   43.284215][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.284218][  T181]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.284219][  T181]  kthread (kernel/kthread.c:436)
[   43.284221][  T181]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.284224][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.284227][  T181]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.284232][  T181]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.284235][  T181]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.284239][  T181]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.284242][  T181]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.514222][  T359] softirqs last disabled at (34204): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.514224][  T359] Preemption disabled at:
| [   44.514225][  T359] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.514233][  T359] Tainted: [W]=WARN
[   44.514234][  T359] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.514236][  T359] Call Trace:
[   44.514237][  T359]  <TASK>
[   44.514239][  T359]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.514243][  T359]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.514245][  T359]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.514250][  T359]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.514253][  T359]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.514258][  T359]  __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))
[   44.514260][  T359]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.514266][  T359]  ? 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)
[   44.514267][  T359]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.514271][  T359]  put_chars (drivers/char/virtio_console.c:1176)
[   44.514273][  T359]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.514277][  T359]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.514280][  T359]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.514283][  T359]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.514287][  T359]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.514290][  T359]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.514292][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514294][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514298][  T359]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.514301][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   44.514303][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.514305][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.514309][  T359]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.514312][  T359]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.514316][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.514318][  T359]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.514322][  T359]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.514325][  T359]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.514327][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514332][  T359]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.514334][  T359]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.514336][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.514337][  T359]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.514341][  T359]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.514343][  T359]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.514346][  T359]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.514349][  T359]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.514354][  T359]  _printk (kernel/printk/printk.c:2504)
[   44.514357][  T359]  ? snapshot_read.cold (user.c:?)
[   44.514360][  T359]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   44.514362][  T359]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.514365][  T359]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   44.514367][  T359]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.514370][  T359]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.514373][  T359]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.514375][  T359]  ? netdev_notice (net/core/dev.c:13194)
[   44.514380][  T359]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   44.514383][  T359]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   44.514387][  T359]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   44.514390][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.514395][  T359]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   44.514398][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   44.514400][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.514403][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.514410][  T359]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.514415][  T359]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   44.514417][  T359]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   44.514419][  T359]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   44.514428][  T359]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   44.514434][  T359]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   44.514435][  T359]  ? 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)
[   44.514437][  T359]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.514439][  T359]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   44.514445][  T359]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   44.514447][  T359]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.514449][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514451][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514453][  T359]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.514474][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.514476][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.514479][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.514481][  T359]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.514483][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514487][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.514490][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.514492][  T359]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.514494][  T359]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.514498][  T359]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.514500][  T359]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.514504][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.514505][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514510][  T359]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.514512][  T359]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.514515][  T359]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.514518][  T359]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.514521][  T359]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.514527][  T359]  ? 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))
[   44.514529][  T359]  ? 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))
[   44.514533][  T359]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.514538][  T359]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.514541][  T359]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.514545][  T359]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.514549][  T359]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.514552][  T359]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.514558][  T359]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.514561][  T359]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.514563][  T359]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.514564][  T359]  ? move_addr_to_kernel (net/socket.c:258)
[   44.514571][  T359]  ___sys_sendmsg (net/socket.c:2767)
[   44.514573][  T359]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.514588][  T359]  __sys_sendmsg (net/socket.c:2799)
[   44.514591][  T359]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.514597][  T359]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.514600][  T359]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.514601][  T359]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.514604][  T359]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.514606][  T359] RIP: 0033:0x7f3ee7ddb54e
[   44.514610][  T359] 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
[   44.514611][  T359] RSP: 002b:00007ffe661aeee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.514614][  T359] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3ee7ddb54e
[   44.514615][  T359] RDX: 0000000000000000 RSI: 00007ffe661aef90 RDI: 0000000000000005
[   44.514616][  T359] RBP: 00007ffe661aeef0 R08: 0000000000000000 R09: 0000000000000000
[   44.514617][  T359] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c9d1


Finger prints:
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars