======================================
| [    9.242008][  T181] softirqs last disabled at (24562): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    9.242011][  T181] Preemption disabled at:
| [    9.242011][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [    9.242021][  T181] Tainted: [W]=WARN
[    9.242021][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.242023][  T181] Call Trace:
[    9.242025][  T181]  <TASK>
[    9.242026][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    9.242032][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    9.242034][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[    9.242038][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    9.242042][  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)
[    9.242048][  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))
[    9.242051][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.242057][  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)
[    9.242059][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    9.242063][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[    9.242066][  T181]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    9.242068][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    9.242071][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.242078][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    9.242086][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    9.242088][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242092][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.242096][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[    9.242100][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    9.242104][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242106][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.242110][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[    9.242114][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    9.242120][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.242126][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    9.242129][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    9.242130][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242132][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    9.242136][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    9.242138][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    9.242141][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[    9.242145][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    9.242147][  T181]  ? save_trace (kernel/locking/lockdep.c:589)
[    9.242152][  T181]  _printk (kernel/printk/printk.c:2504)
[    9.242155][  T181]  ? snapshot_read.cold (user.c:?)
[    9.242159][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    9.242162][  T181]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    9.242165][  T181]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    9.242168][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.242170][  T181]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    9.242173][  T181]  ? netdev_notice (net/core/dev.c:13194)
[    9.242175][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.242178][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.242181][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    9.242185][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.242188][  T181]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    9.242190][  T181]  ? register_netdev (net/core/dev.c:11618)
[    9.242192][  T181]  ? 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))
[    9.242198][  T181]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    9.242200][  T181]  ? __kernel_text_address (kernel/extable.c:79)
[    9.242202][  T181]  ? write_profile (profile.c:?)
[    9.242207][  T181]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    9.242212][  T181]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    9.242216][  T181]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    9.242218][  T181]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    9.242220][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.242223][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.242226][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    9.242229][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.242231][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    9.242234][  T181]  ? kasan_save_stack (mm/kasan/common.c:58)
[    9.242236][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.242237][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.242240][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.242242][  T181]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[    9.242245][  T181]  ? ___sys_sendmsg (net/socket.c:2757)
[    9.242250][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.242252][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.242255][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242257][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    9.242259][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242261][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242263][  T181]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    9.242266][  T181]  ? __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)
[    9.242268][  T181]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    9.242271][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    9.242275][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    9.242276][  T181]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.242283][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    9.242289][  T181]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    9.242295][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.242297][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.242302][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.242304][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.242306][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.242309][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    9.242313][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    9.242316][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    9.242319][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.242321][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.242326][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    9.242328][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    9.242332][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    9.242334][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.242338][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.242344][  T181]  ? 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))
[    9.242346][  T181]  ? 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))
[    9.242350][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.242354][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.242357][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    9.242362][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    9.242366][  T181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    9.242370][  T181]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    9.242375][  T181]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    9.242377][  T181]  ? copy_msghdr_from_user (net/socket.c:2650)
[    9.242379][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    9.242381][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    9.242388][  T181]  ___sys_sendmsg (net/socket.c:2767)
[    9.242391][  T181]  ? copy_msghdr_from_user (net/socket.c:2619)
[    9.242407][  T181]  __sys_sendmsg (net/socket.c:2799)
[    9.242410][  T181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    9.242416][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    9.242419][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    9.242421][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    9.242425][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.242427][  T181] RIP: 0033:0x7f4ed368154e
[    9.242431][  T181] 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
[    9.242433][  T181] RSP: 002b:00007fff038386d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.242435][  T181] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4ed368154e
[    9.242437][  T181] RDX: 0000000000000000 RSI: 00007fff03838780 RDI: 0000000000000005
[    9.242438][  T181] RBP: 00007fff038386e0 R08: 0000000000000000 R09: 0000000000000000
[    9.242438][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105c4
[    9.242439][  T181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff03838e40
| [   10.269541][  T224] softirqs last disabled at (35508): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   10.269543][  T224] Preemption disabled at:
| [   10.269544][  T224] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.269553][  T224] Tainted: [W]=WARN
[   10.269553][  T224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.269555][  T224] Call Trace:
[   10.269557][  T224]  <TASK>
[   10.269558][  T224]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.269563][  T224]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.269565][  T224]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.269570][  T224]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.269573][  T224]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.269579][  T224]  __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))
[   10.269581][  T224]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.269587][  T224]  ? 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)
[   10.269589][  T224]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.269593][  T224]  put_chars (drivers/char/virtio_console.c:1176)
[   10.269595][  T224]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   10.269597][  T224]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.269604][  T224]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.269611][  T224]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.269614][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.269619][  T224]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.269622][  T224]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.269626][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269629][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.269633][  T224]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.269637][  T224]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.269638][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269643][  T224]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.269646][  T224]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.269647][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269649][  T224]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.269653][  T224]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.269654][  T224]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.269657][  T224]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.269660][  T224]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.269662][  T224]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.269666][  T224]  ? xdp_set_features_flag (./include/linux/netdevice.h:2861 net/core/xdp.c:1015)
[   10.269671][  T224]  _printk (kernel/printk/printk.c:2504)
[   10.269674][  T224]  ? snapshot_read.cold (user.c:?)
[   10.269678][  T224]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 kernel/locking/mutex.c:999)
[   10.269680][  T224]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.269682][  T224]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.269686][  T224]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.269688][  T224]  ? netdev_notice (net/core/dev.c:13194)
[   10.269692][  T224]  ? bond_lower_state_changed (drivers/net/bonding/bond_main.c:1835)
[   10.269696][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.269701][  T224]  bond_enslave.cold (drivers/net/bonding/bond_main.c:2342 (discriminator 7))
[   10.269709][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.269711][  T224]  ? bond_update_slave_arr (drivers/net/bonding/bond_main.c:5219 (discriminator 9))
[   10.269713][  T224]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   10.269715][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269716][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5251 (discriminator 3))
[   10.269721][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.269728][  T224]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.269731][  T224]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   10.269737][  T224]  do_set_master (net/core/rtnetlink.c:3071)
[   10.269741][  T224]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.269744][  T224]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.269748][  T224]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.269750][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.269753][  T224]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.269756][  T224]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.269758][  T224]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.269760][  T224]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.269763][  T224]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.269765][  T224]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.269766][  T224]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.269768][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269770][  T224]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.269773][  T224]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.269777][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.269779][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.269782][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269784][  T224]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.269786][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269787][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269789][  T224]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.269792][  T224]  ? __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)
[   10.269793][  T224]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.269795][  T224]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.269799][  T224]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.269800][  T224]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.269806][  T224]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.269812][  T224]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.269817][  T224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.269819][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269824][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.269826][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.269828][  T224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.269832][  T224]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.269836][  T224]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.269838][  T224]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.269842][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.269844][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269848][  T224]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.269851][  T224]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.269854][  T224]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.269856][  T224]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.269859][  T224]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.269865][  T224]  ? 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))
[   10.269867][  T224]  ? 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))
[   10.269871][  T224]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.269874][  T224]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.269877][  T224]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.269881][  T224]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.269885][  T224]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.269889][  T224]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.269894][  T224]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.269896][  T224]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.269898][  T224]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.269900][  T224]  ? move_addr_to_kernel (net/socket.c:258)
[   10.269907][  T224]  ___sys_sendmsg (net/socket.c:2767)
[   10.269909][  T224]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.269924][  T224]  __sys_sendmsg (net/socket.c:2799)
[   10.269927][  T224]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.269933][  T224]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.269936][  T224]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.269938][  T224]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.269941][  T224]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.269943][  T224] RIP: 0033:0x7f7e0ef7554e
[   10.269947][  T224] 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
[   10.269949][  T224] RSP: 002b:00007ffcf1950450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.269951][  T224] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e0ef7554e
[   10.269952][  T224] RDX: 0000000000000000 RSI: 00007ffcf1950500 RDI: 0000000000000005
[   10.269953][  T224] RBP: 00007ffcf1950460 R08: 0000000000000000 R09: 0000000000000000
[   10.269954][  T224] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105c5
[   10.269955][  T224] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf1950bc0
| [   11.564956][  T232] softirqs last disabled at (36706): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   11.564958][  T232] Preemption disabled at:
| [   11.564959][  T232] 0x0
| [   11.564969][  T232] Tainted: [W]=WARN
[   11.564970][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.564972][  T232] Call Trace:
[   11.564973][  T232]  <TASK>
[   11.564975][  T232]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.564980][  T232]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.564985][  T232]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.564988][  T232]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.564993][  T232]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.564996][  T232]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.565002][  T232]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.565004][  T232]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.565008][  T232]  put_chars (drivers/char/virtio_console.c:1176)
[   11.565010][  T232]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   11.565013][  T232]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.565020][  T232]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.565027][  T232]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.565030][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.565035][  T232]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.565038][  T232]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.565042][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565045][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.565050][  T232]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.565053][  T232]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.565055][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.565060][  T232]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.565063][  T232]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.565064][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565066][  T232]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.565070][  T232]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.565072][  T232]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.565075][  T232]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.565078][  T232]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.565079][  T232]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.565082][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.565084][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.565089][  T232]  _printk (kernel/printk/printk.c:2504)
[   11.565093][  T232]  ? snapshot_read.cold (user.c:?)
[   11.565100][  T232]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.565104][  T232]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   11.565107][  T232]  br_device_event (net/bridge/br.c:111)
[   11.565110][  T232]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.565113][  T232]  ? packet_sendmsg_spkt (af_packet.c:?)
[   11.565119][  T232]  notifier_call_chain (kernel/notifier.c:85)
[   11.565130][  T232]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   11.565135][  T232]  ? netif_change_name (net/core/dev.c:1517)
[   11.565137][  T232]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   11.565140][  T232]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.565143][  T232]  ? __kernel_text_address (kernel/extable.c:79)
[   11.565145][  T232]  ? write_profile (profile.c:?)
[   11.565150][  T232]  netif_change_flags (net/core/dev.c:9882)
[   11.565153][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.565157][  T232]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.565160][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.565162][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.565164][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.565167][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.565169][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.565171][  T232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.565174][  T232]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.565176][  T232]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.565177][  T232]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.565180][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.565182][  T232]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.565185][  T232]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.565189][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.565192][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.565195][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565196][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.565198][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565200][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565201][  T232]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.565204][  T232]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.565205][  T232]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.565207][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.565211][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.565216][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.565222][  T232]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.565227][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.565230][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.565234][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.565237][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.565239][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.565241][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.565245][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.565247][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.565251][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.565253][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.565258][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.565260][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.565263][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.565265][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.565269][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.565275][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.565276][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.565280][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.565284][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.565287][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.565291][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.565295][  T232]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.565299][  T232]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.565305][  T232]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.565307][  T232]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.565309][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.565310][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   11.565317][  T232]  ___sys_sendmsg (net/socket.c:2767)
[   11.565319][  T232]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.565335][  T232]  __sys_sendmsg (net/socket.c:2799)
[   11.565337][  T232]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.565343][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.565347][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.565348][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.565352][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.565354][  T232] RIP: 0033:0x7fc7f720954e
[   11.565356][  T232] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.565358][  T232] RSP: 002b:00007fffe9f6f280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.565360][  T232] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc7f720954e
[   11.565362][  T232] RDX: 0000000000000000 RSI: 00007fffe9f6f330 RDI: 0000000000000005
[   11.565363][  T232] RBP: 00007fffe9f6f290 R08: 0000000000000000 R09: 0000000000000000
[   11.565363][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105c7
[   11.565364][  T232] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe9f6f9f0
| [   13.689624][   T68] softirqs last disabled at (47206): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   13.689627][   T68] Preemption disabled at:
| [   13.689628][   T68] 0x0
| [   13.689639][   T68] Tainted: [W]=WARN
[   13.689640][   T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.689641][   T68] Workqueue: events_unbound linkwatch_event
[   13.689645][   T68] Call Trace:
[   13.689647][   T68]  <TASK>
[   13.689649][   T68]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.689654][   T68]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.689659][   T68]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.689662][   T68]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.689668][   T68]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.689671][   T68]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.689677][   T68]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.689680][   T68]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.689683][   T68]  put_chars (drivers/char/virtio_console.c:1176)
[   13.689687][   T68]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.689690][   T68]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.689696][   T68]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.689704][   T68]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.689707][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.689710][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.689715][   T68]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.689718][   T68]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.689723][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.689725][   T68]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.689729][   T68]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.689733][   T68]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.689734][   T68]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.689740][   T68]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.689743][   T68]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.689744][   T68]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.689746][   T68]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.689750][   T68]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.689752][   T68]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.689755][   T68]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.689758][   T68]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.689761][   T68]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.689763][   T68]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.689768][   T68]  _printk (kernel/printk/printk.c:2504)
[   13.689772][   T68]  ? snapshot_read.cold (user.c:?)
[   13.689777][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.689782][   T68]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.689785][   T68]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.689789][   T68]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   13.689791][   T68]  br_port_carrier_check (net/bridge/br_if.c:90)
[   13.689795][   T68]  br_device_event (net/bridge/br.c:101)
[   13.689798][   T68]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.689800][   T68]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   13.689807][   T68]  notifier_call_chain (kernel/notifier.c:85)
[   13.689813][   T68]  netif_state_change (net/core/dev.c:1625)
[   13.689817][   T68]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   13.689822][   T68]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.689824][   T68]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.689831][   T68]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.689834][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.689839][   T68]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.689842][   T68]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.689846][   T68]  process_one_work (kernel/workqueue.c:3387)
[   13.689852][   T68]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   13.689854][   T68]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.689862][   T68]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.689866][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.689868][   T68]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   13.689871][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.689873][   T68]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.689875][   T68]  kthread (kernel/kthread.c:436)
[   13.689877][   T68]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.689881][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.689884][   T68]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.689889][   T68]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   13.689892][   T68]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.689896][   T68]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.689899][   T68]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.982506][  T240] softirqs last disabled at (52272): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.982509][  T240] Preemption disabled at:
| [   14.982509][  T240] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.982518][  T240] Tainted: [W]=WARN
[   14.982519][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.982521][  T240] Call Trace:
[   14.982523][  T240]  <TASK>
[   14.982524][  T240]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.982529][  T240]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.982531][  T240]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.982536][  T240]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.982539][  T240]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.982545][  T240]  __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))
[   14.982547][  T240]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.982553][  T240]  ? 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)
[   14.982555][  T240]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.982559][  T240]  put_chars (drivers/char/virtio_console.c:1176)
[   14.982562][  T240]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.982566][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.982569][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.982572][  T240]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.982577][  T240]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.982580][  T240]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.982583][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982584][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982588][  T240]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.982591][  T240]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.982594][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.982596][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.982600][  T240]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.982603][  T240]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.982607][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.982609][  T240]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.982613][  T240]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.982617][  T240]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.982618][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982623][  T240]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.982625][  T240]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.982627][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.982629][  T240]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.982632][  T240]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.982634][  T240]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.982637][  T240]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.982640][  T240]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.982642][  T240]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.982648][  T240]  _printk (kernel/printk/printk.c:2504)
[   14.982652][  T240]  ? snapshot_read.cold (user.c:?)
[   14.982656][  T240]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.982659][  T240]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.982663][  T240]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.982665][  T240]  ? netdev_notice (net/core/dev.c:13194)
[   14.982670][  T240]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.982673][  T240]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.982677][  T240]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.982680][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.982685][  T240]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.982689][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.982691][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.982693][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.982701][  T240]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.982704][  T240]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.982706][  T240]  ? 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))
[   14.982709][  T240]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.982713][  T240]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.982719][  T240]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.982721][  T240]  ? 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)
[   14.982723][  T240]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.982724][  T240]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.982731][  T240]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.982733][  T240]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.982735][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982737][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982739][  T240]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.982760][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.982762][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.982765][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.982767][  T240]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.982769][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982774][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.982776][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.982778][  T240]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.982780][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.982784][  T240]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.982787][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.982790][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.982792][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982797][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.982799][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.982802][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.982805][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.982808][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.982814][  T240]  ? 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))
[   14.982816][  T240]  ? 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))
[   14.982820][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.982824][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.982826][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.982833][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.982837][  T240]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.982841][  T240]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.982847][  T240]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.982850][  T240]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.982852][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.982853][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   14.982860][  T240]  ___sys_sendmsg (net/socket.c:2767)
[   14.982863][  T240]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.982878][  T240]  __sys_sendmsg (net/socket.c:2799)
[   14.982881][  T240]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.982886][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.982890][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.982892][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.982895][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.982897][  T240] RIP: 0033:0x7fec5243854e
[   14.982901][  T240] 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
[   14.982903][  T240] RSP: 002b:00007fff32789720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.982905][  T240] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fec5243854e
[   14.982907][  T240] RDX: 0000000000000000 RSI: 00007fff327897d0 RDI: 0000000000000005
[   14.982908][  T240] RBP: 00007fff32789730 R08: 0000000000000000 R09: 0000000000000000
[   14.982908][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105ca
[   14.982909][  T240] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff32789e90
| [   16.808737][  T254] softirqs last disabled at (31352): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   16.808740][  T254] Preemption disabled at:
| [   16.808740][  T254] 0x0
| [   16.808750][  T254] Tainted: [W]=WARN
[   16.808751][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.808753][  T254] Call Trace:
[   16.808754][  T254]  <TASK>
[   16.808756][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.808762][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.808766][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.808770][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.808775][  T254]  __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))
[   16.808778][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.808784][  T254]  ? 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)
[   16.808786][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.808790][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   16.808792][  T254]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   16.808795][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.808802][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.808809][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.808812][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.808817][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.808820][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.808825][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.808828][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.808834][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.808838][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.808839][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.808845][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.808848][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.808849][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.808851][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.808855][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.808857][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.808860][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.808863][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.808865][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.808867][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.808870][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.808875][  T254]  _printk (kernel/printk/printk.c:2504)
[   16.808878][  T254]  ? snapshot_read.cold (user.c:?)
[   16.808885][  T254]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   16.808889][  T254]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   16.808893][  T254]  br_device_event (net/bridge/br.c:111)
[   16.808895][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.808899][  T254]  ? packet_sendmsg_spkt (af_packet.c:?)
[   16.808905][  T254]  notifier_call_chain (kernel/notifier.c:85)
[   16.808911][  T254]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   16.808915][  T254]  ? netif_change_name (net/core/dev.c:1517)
[   16.808917][  T254]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   16.808920][  T254]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.808923][  T254]  ? __kernel_text_address (kernel/extable.c:79)
[   16.808925][  T254]  ? write_profile (profile.c:?)
[   16.808930][  T254]  netif_change_flags (net/core/dev.c:9882)
[   16.808934][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.808938][  T254]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.808940][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.808942][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.808944][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.808947][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.808949][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.808951][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.808954][  T254]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.808956][  T254]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.808957][  T254]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.808960][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.808962][  T254]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.808965][  T254]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.808969][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.808971][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.808975][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.808977][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.808978][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.808980][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.808982][  T254]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.808984][  T254]  ? __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)
[   16.808986][  T254]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.808988][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.808992][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.808997][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.809002][  T254]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.809008][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.809010][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.809015][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.809017][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.809020][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.809022][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.809026][  T254]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.809028][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.809032][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.809034][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.809039][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.809041][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.809044][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.809046][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.809050][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.809056][  T254]  ? 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))
[   16.809057][  T254]  ? 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))
[   16.809062][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.809065][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.809068][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.809072][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.809076][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.809080][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.809086][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.809088][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.809090][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.809091][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   16.809099][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   16.809101][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.809117][  T254]  __sys_sendmsg (net/socket.c:2799)
[   16.809119][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.809125][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.809129][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.809131][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.809134][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.809136][  T254] RIP: 0033:0x7ff186b5354e
[   16.809138][  T254] 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
[   16.809140][  T254] RSP: 002b:00007fff1d387030 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.809149][  T254] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff186b5354e
[   16.809150][  T254] RDX: 0000000000000000 RSI: 00007fff1d3870e0 RDI: 0000000000000005
[   16.809151][  T254] RBP: 00007fff1d387040 R08: 0000000000000000 R09: 0000000000000000
[   16.809152][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105cc
[   16.809153][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1d3877a0
| [   18.929468][   T36] softirqs last disabled at (81904): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   18.929470][   T36] Preemption disabled at:
| [   18.929471][   T36] 0x0
| [   18.929482][   T36] Tainted: [W]=WARN
[   18.929483][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.929484][   T36] Workqueue: events_unbound linkwatch_event
[   18.929488][   T36] Call Trace:
[   18.929490][   T36]  <TASK>
[   18.929491][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.929497][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.929501][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.929505][   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)
[   18.929510][   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))
[   18.929513][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.929519][   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)
[   18.929521][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.929525][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   18.929528][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.929532][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.929537][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.929545][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.929548][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.929552][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.929556][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.929560][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.929564][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.929566][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.929570][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.929574][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.929575][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.929581][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.929583][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.929585][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.929587][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.929591][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.929593][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.929595][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.929599][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.929601][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.929604][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.929609][   T36]  _printk (kernel/printk/printk.c:2504)
[   18.929612][   T36]  ? snapshot_read.cold (user.c:?)
[   18.929617][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.929622][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.929625][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   18.929628][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   18.929630][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   18.929634][   T36]  br_device_event (net/bridge/br.c:101)
[   18.929638][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.929639][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.929646][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   18.929652][   T36]  netif_state_change (net/core/dev.c:1625)
[   18.929657][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.929661][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.929664][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.929667][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.929670][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.929675][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.929678][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   18.929681][   T36]  process_one_work (kernel/workqueue.c:3387)
[   18.929688][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.929690][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.929698][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.929705][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.929706][   T36]  kthread (kernel/kthread.c:436)
[   18.929709][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.929712][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.929715][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.929720][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.929723][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.929727][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.929730][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.158328][  T262] softirqs last disabled at (43984): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   20.158331][  T262] Preemption disabled at:
| [   20.158332][  T262] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.158341][  T262] Tainted: [W]=WARN
[   20.158342][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.158343][  T262] Call Trace:
[   20.158345][  T262]  <TASK>
[   20.158346][  T262]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.158351][  T262]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.158353][  T262]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.158357][  T262]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.158361][  T262]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.158366][  T262]  __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))
[   20.158369][  T262]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.158375][  T262]  ? 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)
[   20.158377][  T262]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.158381][  T262]  put_chars (drivers/char/virtio_console.c:1176)
[   20.158384][  T262]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.158387][  T262]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.158391][  T262]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.158394][  T262]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.158399][  T262]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.158402][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.158405][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158406][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158411][  T262]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.158413][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.158416][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.158418][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.158422][  T262]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.158426][  T262]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.158430][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.158432][  T262]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.158436][  T262]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.158440][  T262]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.158441][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158446][  T262]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.158449][  T262]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.158450][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.158452][  T262]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.158456][  T262]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.158458][  T262]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.158461][  T262]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.158464][  T262]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.158466][  T262]  ? packet_sendmsg_spkt (af_packet.c:?)
[   20.158472][  T262]  _printk (kernel/printk/printk.c:2504)
[   20.158476][  T262]  ? snapshot_read.cold (user.c:?)
[   20.158480][  T262]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   20.158483][  T262]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   20.158487][  T262]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   20.158489][  T262]  ? netdev_notice (net/core/dev.c:13194)
[   20.158494][  T262]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   20.158497][  T262]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   20.158501][  T262]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   20.158504][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   20.158510][  T262]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   20.158513][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   20.158515][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.158518][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.158526][  T262]  ? packet_sendmsg_spkt (af_packet.c:?)
[   20.158530][  T262]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   20.158531][  T262]  ? 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))
[   20.158534][  T262]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   20.158539][  T262]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   20.158544][  T262]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   20.158546][  T262]  ? 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)
[   20.158548][  T262]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.158550][  T262]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   20.158556][  T262]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   20.158559][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.158561][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158562][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158565][  T262]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.158587][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.158589][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.158592][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.158594][  T262]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   20.158597][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158601][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.158603][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.158606][  T262]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.158608][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.158612][  T262]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   20.158614][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.158618][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.158620][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158624][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.158627][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.158630][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.158633][  T262]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.158636][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.158643][  T262]  ? 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))
[   20.158644][  T262]  ? 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))
[   20.158648][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.158652][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.158655][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.158659][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.158663][  T262]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.158667][  T262]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.158673][  T262]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.158676][  T262]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.158678][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.158680][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   20.158687][  T262]  ___sys_sendmsg (net/socket.c:2767)
[   20.158690][  T262]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.158705][  T262]  __sys_sendmsg (net/socket.c:2799)
[   20.158708][  T262]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.158714][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.158718][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.158720][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.158723][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.158725][  T262] RIP: 0033:0x7f03d62f254e
[   20.158730][  T262] 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
[   20.158731][  T262] RSP: 002b:00007ffda69078e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.158734][  T262] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f03d62f254e
[   20.158735][  T262] RDX: 0000000000000000 RSI: 00007ffda6907990 RDI: 0000000000000005
[   20.158736][  T262] RBP: 00007ffda69078f0 R08: 0000000000000000 R09: 0000000000000000
[   20.158737][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105cf
[   20.158738][  T262] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda6908050
| [   22.008194][  T276] softirqs last disabled at (49002): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   22.008198][  T276] Preemption disabled at:
| [   22.008198][  T276] 0x0
| [   22.008212][  T276] Tainted: [W]=WARN
[   22.008213][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.008215][  T276] Call Trace:
[   22.008218][  T276]  <TASK>
[   22.008220][  T276]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   22.008227][  T276]  __might_resched.cold (kernel/sched/core.c:9234)
[   22.008233][  T276]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   22.008239][  T276]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   22.008246][  T276]  __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))
[   22.008250][  T276]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.008259][  T276]  ? 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)
[   22.008262][  T276]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   22.008268][  T276]  put_chars (drivers/char/virtio_console.c:1176)
[   22.008272][  T276]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   22.008276][  T276]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   22.008288][  T276]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   22.008299][  T276]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   22.008304][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.008312][  T276]  console_emit_next_record (kernel/printk/printk.c:3183)
[   22.008318][  T276]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   22.008325][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008330][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.008336][  T276]  console_flush_one_record (kernel/printk/printk.c:3268)
[   22.008343][  T276]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   22.008345][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.008355][  T276]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   22.008359][  T276]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   22.008361][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008365][  T276]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   22.008371][  T276]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   22.008374][  T276]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   22.008379][  T276]  vprintk_emit (kernel/printk/printk.c:2479)
[   22.008385][  T276]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   22.008387][  T276]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   22.008391][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.008395][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.008402][  T276]  _printk (kernel/printk/printk.c:2504)
[   22.008407][  T276]  ? snapshot_read.cold (user.c:?)
[   22.008421][  T276]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   22.008427][  T276]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   22.008433][  T276]  br_device_event (net/bridge/br.c:111)
[   22.008437][  T276]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   22.008442][  T276]  ? packet_sendmsg_spkt (af_packet.c:?)
[   22.008452][  T276]  notifier_call_chain (kernel/notifier.c:85)
[   22.008462][  T276]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   22.008469][  T276]  ? netif_change_name (net/core/dev.c:1517)
[   22.008473][  T276]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   22.008477][  T276]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.008482][  T276]  ? __kernel_text_address (kernel/extable.c:79)
[   22.008486][  T276]  ? write_profile (profile.c:?)
[   22.008493][  T276]  netif_change_flags (net/core/dev.c:9882)
[   22.008500][  T276]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   22.008506][  T276]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   22.008510][  T276]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   22.008512][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.008516][  T276]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.008520][  T276]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   22.008523][  T276]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.008526][  T276]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   22.008531][  T276]  ? kasan_save_stack (mm/kasan/common.c:58)
[   22.008534][  T276]  ? kasan_save_stack (mm/kasan/common.c:57)
[   22.008536][  T276]  ? kasan_save_track (mm/kasan/common.c:78)
[   22.008540][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.008543][  T276]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   22.008547][  T276]  ? ___sys_sendmsg (net/socket.c:2757)
[   22.008554][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.008557][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.008562][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008565][  T276]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   22.008568][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008570][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008573][  T276]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   22.008577][  T276]  ? __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)
[   22.008580][  T276]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   22.008583][  T276]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   22.008590][  T276]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   22.008599][  T276]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   22.008609][  T276]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   22.008619][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.008623][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.008631][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.008634][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.008638][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.008642][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   22.008648][  T276]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   22.008652][  T276]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   22.008658][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.008661][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.008669][  T276]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   22.008672][  T276]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   22.008679][  T276]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   22.008681][  T276]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.008687][  T276]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.008698][  T276]  ? 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))
[   22.008700][  T276]  ? 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))
[   22.008708][  T276]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.008715][  T276]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.008719][  T276]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   22.008727][  T276]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   22.008734][  T276]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   22.008740][  T276]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   22.008749][  T276]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   22.008753][  T276]  ? copy_msghdr_from_user (net/socket.c:2650)
[   22.008756][  T276]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   22.008758][  T276]  ? move_addr_to_kernel (net/socket.c:258)
[   22.008771][  T276]  ___sys_sendmsg (net/socket.c:2767)
[   22.008776][  T276]  ? copy_msghdr_from_user (net/socket.c:2619)
[   22.008804][  T276]  __sys_sendmsg (net/socket.c:2799)
[   22.008809][  T276]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   22.008819][  T276]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   22.008825][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   22.008828][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   22.008835][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.008839][  T276] RIP: 0033:0x7f73d539254e
[   22.008843][  T276] 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
[   22.008845][  T276] RSP: 002b:00007ffd31ef65c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.008849][  T276] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f73d539254e
[   22.008852][  T276] RDX: 0000000000000000 RSI: 00007ffd31ef6670 RDI: 0000000000000005
[   22.008853][  T276] RBP: 00007ffd31ef65d0 R08: 0000000000000000 R09: 0000000000000000
[   22.008854][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105d1
[   22.008856][  T276] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd31ef6d30
| [   24.158821][   T36] softirqs last disabled at (95526): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   24.158824][   T36] Preemption disabled at:
| [   24.158825][   T36] 0x0
| [   24.158838][   T36] Tainted: [W]=WARN
[   24.158839][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.158840][   T36] Workqueue: events_unbound linkwatch_event
[   24.158844][   T36] Call Trace:
[   24.158846][   T36]  <TASK>
[   24.158847][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.158853][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.158857][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.158861][   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)
[   24.158867][   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))
[   24.158870][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.158876][   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)
[   24.158878][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.158882][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   24.158886][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.158889][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.158895][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.158902][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.158905][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.158909][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.158913][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.158917][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.158921][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.158923][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.158928][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.158932][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.158933][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.158939][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.158941][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.158943][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.158945][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.158949][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.158951][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.158954][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.158957][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.158960][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.158962][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.158967][   T36]  _printk (kernel/printk/printk.c:2504)
[   24.158971][   T36]  ? snapshot_read.cold (user.c:?)
[   24.158976][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.158981][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   24.158984][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   24.158987][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   24.158989][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   24.158993][   T36]  br_device_event (net/bridge/br.c:101)
[   24.158997][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.158998][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   24.159005][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   24.159011][   T36]  netif_state_change (net/core/dev.c:1625)
[   24.159016][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   24.159021][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.159023][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.159027][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.159030][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.159034][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.159037][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.159041][   T36]  process_one_work (kernel/workqueue.c:3387)
[   24.159047][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   24.159050][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.159058][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   24.159065][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   24.159066][   T36]  kthread (kernel/kthread.c:436)
[   24.159069][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.159073][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.159076][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.159080][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   24.159084][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.159088][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   24.159091][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.410165][  T284] softirqs last disabled at (53876): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.410168][  T284] Preemption disabled at:
| [   25.410168][  T284] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.410183][  T284] Tainted: [W]=WARN
[   25.410184][  T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.410186][  T284] Call Trace:
[   25.410188][  T284]  <TASK>
[   25.410189][  T284]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.410194][  T284]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.410196][  T284]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.410200][  T284]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.410204][  T284]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.410209][  T284]  __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))
[   25.410212][  T284]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.410218][  T284]  ? 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)
[   25.410220][  T284]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.410224][  T284]  put_chars (drivers/char/virtio_console.c:1176)
[   25.410227][  T284]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.410231][  T284]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   25.410234][  T284]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.410237][  T284]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.410241][  T284]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.410245][  T284]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.410247][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410249][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410253][  T284]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.410256][  T284]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   25.410258][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.410260][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.410265][  T284]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.410268][  T284]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.410272][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.410274][  T284]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.410278][  T284]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.410281][  T284]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.410283][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410288][  T284]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.410290][  T284]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.410291][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.410293][  T284]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.410297][  T284]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.410299][  T284]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.410302][  T284]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.410305][  T284]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.410307][  T284]  ? packet_sendmsg_spkt (af_packet.c:?)
[   25.410313][  T284]  _printk (kernel/printk/printk.c:2504)
[   25.410317][  T284]  ? snapshot_read.cold (user.c:?)
[   25.410321][  T284]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.410324][  T284]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.410327][  T284]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.410329][  T284]  ? netdev_notice (net/core/dev.c:13194)
[   25.410334][  T284]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   25.410337][  T284]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   25.410341][  T284]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   25.410345][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   25.410350][  T284]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   25.410353][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   25.410355][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.410358][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.410365][  T284]  ? packet_sendmsg_spkt (af_packet.c:?)
[   25.410369][  T284]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   25.410371][  T284]  ? 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))
[   25.410374][  T284]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   25.410378][  T284]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   25.410384][  T284]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   25.410386][  T284]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.410388][  T284]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.410390][  T284]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   25.410396][  T284]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   25.410398][  T284]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.410400][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410402][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410404][  T284]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   25.410425][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.410428][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.410430][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.410432][  T284]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   25.410435][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410439][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.410441][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.410443][  T284]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   25.410445][  T284]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.410449][  T284]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   25.410452][  T284]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   25.410456][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.410457][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410462][  T284]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.410464][  T284]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.410467][  T284]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   25.410470][  T284]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.410474][  T284]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.410480][  T284]  ? 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))
[   25.410481][  T284]  ? 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))
[   25.410485][  T284]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.410489][  T284]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.410491][  T284]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.410496][  T284]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   25.410499][  T284]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   25.410503][  T284]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   25.410509][  T284]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   25.410512][  T284]  ? copy_msghdr_from_user (net/socket.c:2650)
[   25.410514][  T284]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   25.410515][  T284]  ? move_addr_to_kernel (net/socket.c:258)
[   25.410522][  T284]  ___sys_sendmsg (net/socket.c:2767)
[   25.410525][  T284]  ? copy_msghdr_from_user (net/socket.c:2619)
[   25.410539][  T284]  __sys_sendmsg (net/socket.c:2799)
[   25.410542][  T284]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   25.410548][  T284]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.410551][  T284]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   25.410554][  T284]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   25.410557][  T284]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.410559][  T284] RIP: 0033:0x7f2bf92a354e
[   25.410563][  T284] 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
[   25.410565][  T284] RSP: 002b:00007ffd898fa240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.410568][  T284] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bf92a354e
[   25.410569][  T284] RDX: 0000000000000000 RSI: 00007ffd898fa2f0 RDI: 0000000000000005
[   25.410570][  T284] RBP: 00007ffd898fa250 R08: 0000000000000000 R09: 0000000000000000
[   25.410570][  T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105d4
[   25.410571][  T284] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd898fa9b0
| [   27.001231][   T12] softirqs last disabled at (6776): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   27.001233][   T12] Preemption disabled at:
| [   27.001234][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.001243][   T12] Tainted: [W]=WARN
[   27.001244][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.001246][   T12] Workqueue: bond0 bond_mii_monitor
[   27.001250][   T12] Call Trace:
[   27.001251][   T12]  <TASK>
[   27.001253][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.001258][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.001260][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.001264][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.001268][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.001273][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.001276][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.001282][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.001284][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.001288][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   27.001291][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.001293][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   27.001296][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.001300][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   27.001305][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.001309][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.001311][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.001316][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.001319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.001322][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.001326][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.001329][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.001334][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.001336][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.001340][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.001343][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.001345][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.001350][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.001353][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.001354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.001356][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.001360][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.001362][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.001365][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.001368][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.001370][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.001373][   T12]  ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2))
[   27.001378][   T12]  _printk (kernel/printk/printk.c:2504)
[   27.001382][   T12]  ? snapshot_read.cold (user.c:?)
[   27.001386][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   27.001389][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   27.001393][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   27.001395][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   27.001399][   T12]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   27.001406][   T12]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   27.001413][   T12]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   27.001414][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   27.001417][   T12]  ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8))
[   27.001420][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.001422][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.001426][   T12]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   27.001428][   T12]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   27.001430][   T12]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   27.001432][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.001434][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.001436][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.001439][   T12]  ? process_one_work (kernel/workqueue.c:3386)
[   27.001440][   T12]  process_one_work (kernel/workqueue.c:3387)
[   27.001446][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.001448][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.001456][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.001463][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.001464][   T12]  kthread (kernel/kthread.c:436)
[   27.001467][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.001470][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.001473][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.001478][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.001481][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.001484][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.001487][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.366330][   T38] softirqs last disabled at (126712): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   29.366333][   T38] Preemption disabled at:
| [   29.366334][   T38] 0x0
| [   29.366345][   T38] Tainted: [W]=WARN
[   29.366346][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.366347][   T38] Workqueue: events_unbound linkwatch_event
[   29.366351][   T38] Call Trace:
[   29.366353][   T38]  <TASK>
[   29.366355][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.366361][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.366366][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.366369][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.366375][   T38]  __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))
[   29.366378][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.366385][   T38]  ? 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)
[   29.366387][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.366391][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   29.366395][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.366398][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.366404][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.366412][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.366416][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.366419][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.366424][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.366427][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.366432][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.366433][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.366438][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.366442][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.366443][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.366449][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.366452][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.366453][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.366455][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.366459][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.366461][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.366464][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.366468][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.366470][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.366473][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.366478][   T38]  _printk (kernel/printk/printk.c:2504)
[   29.366482][   T38]  ? snapshot_read.cold (user.c:?)
[   29.366487][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.366492][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   29.366496][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   29.366499][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   29.366501][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   29.366505][   T38]  br_device_event (net/bridge/br.c:101)
[   29.366508][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.366510][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   29.366517][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   29.366523][   T38]  netif_state_change (net/core/dev.c:1625)
[   29.366528][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   29.366533][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   29.366535][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   29.366539][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.366542][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.366547][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   29.366550][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   29.366554][   T38]  process_one_work (kernel/workqueue.c:3387)
[   29.366560][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   29.366562][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.366571][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   29.366577][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   29.366579][   T38]  kthread (kernel/kthread.c:436)
[   29.366581][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   29.366585][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.366588][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   29.366593][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   29.366597][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   29.366600][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   29.366603][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.653639][  T306] softirqs last disabled at (44298): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   30.653642][  T306] Preemption disabled at:
| [   30.653642][  T306] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.653652][  T306] Tainted: [W]=WARN
[   30.653653][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.653654][  T306] Call Trace:
[   30.653656][  T306]  <TASK>
[   30.653658][  T306]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.653663][  T306]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.653665][  T306]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.653669][  T306]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.653673][  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)
[   30.653679][  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))
[   30.653681][  T306]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.653687][  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)
[   30.653689][  T306]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.653693][  T306]  put_chars (drivers/char/virtio_console.c:1176)
[   30.653696][  T306]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.653700][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.653704][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.653707][  T306]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.653711][  T306]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.653715][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.653718][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653719][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653724][  T306]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.653726][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   30.653729][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.653731][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.653735][  T306]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.653739][  T306]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.653743][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.653745][  T306]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.653749][  T306]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.653753][  T306]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.653754][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653759][  T306]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.653762][  T306]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.653763][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.653765][  T306]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   30.653769][  T306]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.653771][  T306]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.653774][  T306]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.653777][  T306]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.653779][  T306]  ? packet_sendmsg_spkt (af_packet.c:?)
[   30.653786][  T306]  _printk (kernel/printk/printk.c:2504)
[   30.653790][  T306]  ? snapshot_read.cold (user.c:?)
[   30.653794][  T306]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   30.653797][  T306]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   30.653800][  T306]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   30.653803][  T306]  ? netdev_notice (net/core/dev.c:13194)
[   30.653807][  T306]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   30.653810][  T306]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   30.653815][  T306]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   30.653819][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   30.653824][  T306]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   30.653827][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   30.653831][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.653835][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.653842][  T306]  ? packet_sendmsg_spkt (af_packet.c:?)
[   30.653846][  T306]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   30.653848][  T306]  ? 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))
[   30.653851][  T306]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   30.653856][  T306]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   30.653861][  T306]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   30.653863][  T306]  ? 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)
[   30.653865][  T306]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.653867][  T306]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   30.653874][  T306]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   30.653876][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.653878][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653880][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653882][  T306]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   30.653904][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.653907][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.653910][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.653912][  T306]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   30.653914][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653919][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.653921][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.653923][  T306]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   30.653926][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.653929][  T306]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   30.653932][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.653936][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.653938][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653943][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.653945][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.653948][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.653951][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.653955][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.653961][  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))
[   30.653963][  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))
[   30.653967][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.653971][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.653974][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.653978][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.653982][  T306]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.653986][  T306]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   30.653992][  T306]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   30.653995][  T306]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.653997][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   30.653998][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   30.654006][  T306]  ___sys_sendmsg (net/socket.c:2767)
[   30.654008][  T306]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.654024][  T306]  __sys_sendmsg (net/socket.c:2799)
[   30.654027][  T306]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.654033][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.654036][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.654038][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.654042][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.654044][  T306] RIP: 0033:0x7f51b699354e
[   30.654048][  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
[   30.654050][  T306] RSP: 002b:00007ffd6dc1a140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.654053][  T306] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f51b699354e
[   30.654054][  T306] RDX: 0000000000000000 RSI: 00007ffd6dc1a1f0 RDI: 0000000000000005
[   30.654055][  T306] RBP: 00007ffd6dc1a150 R08: 0000000000000000 R09: 0000000000000000
[   30.654056][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105da
[   30.654057][  T306] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd6dc1a8b0
| [   32.559654][  T320] softirqs last disabled at (38504): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   32.559656][  T320] Preemption disabled at:
| [   32.559657][  T320] 0x0
| [   32.559668][  T320] Tainted: [W]=WARN
[   32.559669][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.559671][  T320] Call Trace:
[   32.559672][  T320]  <TASK>
[   32.559674][  T320]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   32.559679][  T320]  __might_resched.cold (kernel/sched/core.c:9234)
[   32.559684][  T320]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   32.559688][  T320]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   32.559693][  T320]  __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))
[   32.559696][  T320]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.559702][  T320]  ? 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)
[   32.559704][  T320]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   32.559708][  T320]  put_chars (drivers/char/virtio_console.c:1176)
[   32.559711][  T320]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   32.559714][  T320]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   32.559720][  T320]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   32.559728][  T320]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   32.559731][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.559736][  T320]  console_emit_next_record (kernel/printk/printk.c:3183)
[   32.559739][  T320]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   32.559745][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.559749][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.559753][  T320]  console_flush_one_record (kernel/printk/printk.c:3268)
[   32.559757][  T320]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   32.559758][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.559764][  T320]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   32.559766][  T320]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   32.559767][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.559769][  T320]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   32.559773][  T320]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   32.559775][  T320]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   32.559778][  T320]  vprintk_emit (kernel/printk/printk.c:2479)
[   32.559781][  T320]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   32.559783][  T320]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   32.559785][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.559788][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.559793][  T320]  _printk (kernel/printk/printk.c:2504)
[   32.559796][  T320]  ? snapshot_read.cold (user.c:?)
[   32.559804][  T320]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   32.559807][  T320]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   32.559811][  T320]  br_device_event (net/bridge/br.c:111)
[   32.559814][  T320]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   32.559818][  T320]  ? packet_sendmsg_spkt (af_packet.c:?)
[   32.559823][  T320]  notifier_call_chain (kernel/notifier.c:85)
[   32.559829][  T320]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   32.559834][  T320]  ? netif_change_name (net/core/dev.c:1517)
[   32.559836][  T320]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   32.559839][  T320]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   32.559842][  T320]  ? __kernel_text_address (kernel/extable.c:79)
[   32.559844][  T320]  ? write_profile (profile.c:?)
[   32.559849][  T320]  netif_change_flags (net/core/dev.c:9882)
[   32.559853][  T320]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   32.559857][  T320]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   32.559859][  T320]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   32.559861][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   32.559863][  T320]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   32.559866][  T320]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   32.559868][  T320]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   32.559870][  T320]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   32.559873][  T320]  ? kasan_save_stack (mm/kasan/common.c:58)
[   32.559875][  T320]  ? kasan_save_stack (mm/kasan/common.c:57)
[   32.559876][  T320]  ? kasan_save_track (mm/kasan/common.c:78)
[   32.559879][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.559881][  T320]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   32.559884][  T320]  ? ___sys_sendmsg (net/socket.c:2757)
[   32.559888][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.559891][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.559894][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.559896][  T320]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   32.559898][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.559899][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.559901][  T320]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   32.559903][  T320]  ? __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)
[   32.559905][  T320]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   32.559907][  T320]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   32.559911][  T320]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   32.559916][  T320]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   32.559922][  T320]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   32.559927][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.559930][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.559934][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.559936][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.559939][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.559941][  T320]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   32.559945][  T320]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   32.559948][  T320]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   32.559951][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.559953][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.559958][  T320]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   32.559960][  T320]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   32.559964][  T320]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   32.559965][  T320]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   32.559969][  T320]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   32.559975][  T320]  ? 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))
[   32.559977][  T320]  ? 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))
[   32.559981][  T320]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   32.559985][  T320]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   32.559987][  T320]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   32.559992][  T320]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   32.559996][  T320]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   32.560000][  T320]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   32.560005][  T320]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   32.560008][  T320]  ? copy_msghdr_from_user (net/socket.c:2650)
[   32.560010][  T320]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   32.560011][  T320]  ? move_addr_to_kernel (net/socket.c:258)
[   32.560018][  T320]  ___sys_sendmsg (net/socket.c:2767)
[   32.560021][  T320]  ? copy_msghdr_from_user (net/socket.c:2619)
[   32.560036][  T320]  __sys_sendmsg (net/socket.c:2799)
[   32.560039][  T320]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   32.560045][  T320]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   32.560048][  T320]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   32.560050][  T320]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   32.560053][  T320]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   32.560056][  T320] RIP: 0033:0x7fb2f60ce54e
[   32.560058][  T320] 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
[   32.560060][  T320] RSP: 002b:00007ffef7673540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   32.560063][  T320] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb2f60ce54e
[   32.560064][  T320] RDX: 0000000000000000 RSI: 00007ffef76735f0 RDI: 0000000000000005
[   32.560065][  T320] RBP: 00007ffef7673550 R08: 0000000000000000 R09: 0000000000000000
[   32.560065][  T320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105dc
[   32.560066][  T320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef7673cb0
| [   34.684560][   T38] softirqs last disabled at (147762): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   34.684563][   T38] Preemption disabled at:
| [   34.684564][   T38] 0x0
| [   34.684574][   T38] Tainted: [W]=WARN
[   34.684575][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.684577][   T38] Workqueue: events_unbound linkwatch_event
[   34.684580][   T38] Call Trace:
[   34.684582][   T38]  <TASK>
[   34.684584][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.684590][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.684594][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.684598][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.684604][   T38]  __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))
[   34.684606][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.684612][   T38]  ? 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)
[   34.684614][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.684619][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   34.684622][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.684625][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.684631][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.684639][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.684642][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.684646][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.684650][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.684654][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.684658][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.684660][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.684664][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.684668][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.684669][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.684675][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.684677][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.684678][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.684680][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.684684][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.684686][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.684689][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.684693][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.684695][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.684698][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.684703][   T38]  _printk (kernel/printk/printk.c:2504)
[   34.684706][   T38]  ? snapshot_read.cold (user.c:?)
[   34.684711][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.684715][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   34.684719][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   34.684722][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   34.684724][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   34.684728][   T38]  br_device_event (net/bridge/br.c:101)
[   34.684731][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.684733][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   34.684740][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   34.684746][   T38]  netif_state_change (net/core/dev.c:1625)
[   34.684750][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   34.684755][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   34.684757][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   34.684761][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.684764][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.684768][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   34.684771][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   34.684775][   T38]  process_one_work (kernel/workqueue.c:3387)
[   34.684781][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.684783][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.684791][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.684797][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.684799][   T38]  kthread (kernel/kthread.c:436)
[   34.684801][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.684805][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.684808][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.684812][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.684816][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.684819][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.684822][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.968251][  T328] softirqs last disabled at (45413): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   35.968254][  T328] Preemption disabled at:
| [   35.968254][  T328] vprintk_emit (kernel/printk/printk.c:2471)
| [   35.968264][  T328] Tainted: [W]=WARN
[   35.968264][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.968266][  T328] Call Trace:
[   35.968267][  T328]  <TASK>
[   35.968269][  T328]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   35.968274][  T328]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   35.968276][  T328]  __might_resched.cold (kernel/sched/core.c:9234)
[   35.968280][  T328]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   35.968283][  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)
[   35.968289][  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))
[   35.968292][  T328]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.968298][  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)
[   35.968300][  T328]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   35.968304][  T328]  put_chars (drivers/char/virtio_console.c:1176)
[   35.968307][  T328]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   35.968311][  T328]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   35.968314][  T328]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.968318][  T328]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   35.968322][  T328]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   35.968326][  T328]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.968328][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968330][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968334][  T328]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   35.968337][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   35.968339][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.968342][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.968346][  T328]  console_emit_next_record (kernel/printk/printk.c:3183)
[   35.968349][  T328]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   35.968353][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.968355][  T328]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   35.968359][  T328]  console_flush_one_record (kernel/printk/printk.c:3268)
[   35.968363][  T328]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   35.968364][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968370][  T328]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   35.968372][  T328]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   35.968373][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.968375][  T328]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   35.968379][  T328]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   35.968381][  T328]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   35.968384][  T328]  vprintk_emit (kernel/printk/printk.c:2479)
[   35.968387][  T328]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   35.968389][  T328]  ? packet_sendmsg_spkt (af_packet.c:?)
[   35.968396][  T328]  _printk (kernel/printk/printk.c:2504)
[   35.968399][  T328]  ? snapshot_read.cold (user.c:?)
[   35.968404][  T328]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   35.968407][  T328]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   35.968410][  T328]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   35.968413][  T328]  ? netdev_notice (net/core/dev.c:13194)
[   35.968417][  T328]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   35.968420][  T328]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   35.968424][  T328]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   35.968428][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   35.968433][  T328]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   35.968437][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   35.968439][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.968442][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.968449][  T328]  ? packet_sendmsg_spkt (af_packet.c:?)
[   35.968453][  T328]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   35.968454][  T328]  ? 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))
[   35.968458][  T328]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   35.968463][  T328]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   35.968468][  T328]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   35.968470][  T328]  ? 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)
[   35.968472][  T328]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.968474][  T328]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   35.968480][  T328]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   35.968483][  T328]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.968485][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968487][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968489][  T328]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   35.968511][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.968513][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.968516][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.968518][  T328]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   35.968520][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968525][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.968527][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.968529][  T328]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   35.968532][  T328]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   35.968536][  T328]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   35.968538][  T328]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   35.968542][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.968544][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968548][  T328]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   35.968550][  T328]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   35.968554][  T328]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   35.968557][  T328]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.968561][  T328]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.968567][  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))
[   35.968568][  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))
[   35.968573][  T328]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.968576][  T328]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.968579][  T328]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   35.968583][  T328]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   35.968587][  T328]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   35.968591][  T328]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   35.968597][  T328]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   35.968600][  T328]  ? copy_msghdr_from_user (net/socket.c:2650)
[   35.968602][  T328]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   35.968603][  T328]  ? move_addr_to_kernel (net/socket.c:258)
[   35.968610][  T328]  ___sys_sendmsg (net/socket.c:2767)
[   35.968613][  T328]  ? copy_msghdr_from_user (net/socket.c:2619)
[   35.968628][  T328]  __sys_sendmsg (net/socket.c:2799)
[   35.968631][  T328]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   35.968637][  T328]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   35.968640][  T328]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   35.968643][  T328]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   35.968646][  T328]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.968648][  T328] RIP: 0033:0x7fe1f49a254e
[   35.968652][  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
[   35.968654][  T328] RSP: 002b:00007ffd7e63ba60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.968656][  T328] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe1f49a254e
[   35.968658][  T328] RDX: 0000000000000000 RSI: 00007ffd7e63bb10 RDI: 0000000000000005
[   35.968659][  T328] RBP: 00007ffd7e63ba70 R08: 0000000000000000 R09: 0000000000000000
[   35.968660][  T328] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105df
[   35.968660][  T328] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7e63c1d0
| [   37.741173][  T342] softirqs last disabled at (32136): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   37.741176][  T342] Preemption disabled at:
| [   37.741177][  T342] 0x0
| [   37.741187][  T342] Tainted: [W]=WARN
[   37.741188][  T342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.741190][  T342] Call Trace:
[   37.741192][  T342]  <TASK>
[   37.741193][  T342]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   37.741199][  T342]  __might_resched.cold (kernel/sched/core.c:9234)
[   37.741204][  T342]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   37.741208][  T342]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   37.741218][  T342]  __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))
[   37.741221][  T342]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.741228][  T342]  ? 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)
[   37.741230][  T342]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   37.741234][  T342]  put_chars (drivers/char/virtio_console.c:1176)
[   37.741236][  T342]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   37.741239][  T342]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   37.741246][  T342]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   37.741254][  T342]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   37.741257][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.741261][  T342]  console_emit_next_record (kernel/printk/printk.c:3183)
[   37.741265][  T342]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   37.741269][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741272][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.741276][  T342]  console_flush_one_record (kernel/printk/printk.c:3268)
[   37.741280][  T342]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   37.741281][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.741287][  T342]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   37.741290][  T342]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   37.741291][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741293][  T342]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   37.741297][  T342]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   37.741299][  T342]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   37.741302][  T342]  vprintk_emit (kernel/printk/printk.c:2479)
[   37.741305][  T342]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   37.741307][  T342]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   37.741309][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.741312][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.741316][  T342]  _printk (kernel/printk/printk.c:2504)
[   37.741320][  T342]  ? snapshot_read.cold (user.c:?)
[   37.741327][  T342]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   37.741331][  T342]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   37.741335][  T342]  br_device_event (net/bridge/br.c:111)
[   37.741337][  T342]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   37.741341][  T342]  ? packet_sendmsg_spkt (af_packet.c:?)
[   37.741347][  T342]  notifier_call_chain (kernel/notifier.c:85)
[   37.741353][  T342]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   37.741357][  T342]  ? netif_change_name (net/core/dev.c:1517)
[   37.741360][  T342]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   37.741362][  T342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.741365][  T342]  ? __kernel_text_address (kernel/extable.c:79)
[   37.741368][  T342]  ? write_profile (profile.c:?)
[   37.741373][  T342]  netif_change_flags (net/core/dev.c:9882)
[   37.741376][  T342]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   37.741380][  T342]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   37.741382][  T342]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   37.741384][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.741386][  T342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.741390][  T342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   37.741392][  T342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.741394][  T342]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   37.741397][  T342]  ? kasan_save_stack (mm/kasan/common.c:58)
[   37.741399][  T342]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.741400][  T342]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.741402][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.741404][  T342]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   37.741407][  T342]  ? ___sys_sendmsg (net/socket.c:2757)
[   37.741412][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.741414][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.741417][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741419][  T342]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   37.741421][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741423][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741425][  T342]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   37.741427][  T342]  ? __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)
[   37.741429][  T342]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   37.741431][  T342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   37.741434][  T342]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   37.741440][  T342]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   37.741445][  T342]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   37.741451][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.741453][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.741458][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.741460][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.741463][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.741465][  T342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   37.741469][  T342]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   37.741472][  T342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   37.741475][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.741477][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.741484][  T342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   37.741486][  T342]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   37.741490][  T342]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   37.741492][  T342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.741495][  T342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.741501][  T342]  ? 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))
[   37.741503][  T342]  ? 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))
[   37.741507][  T342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.741511][  T342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.741514][  T342]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   37.741518][  T342]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   37.741522][  T342]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   37.741526][  T342]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   37.741532][  T342]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   37.741534][  T342]  ? copy_msghdr_from_user (net/socket.c:2650)
[   37.741536][  T342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   37.741537][  T342]  ? move_addr_to_kernel (net/socket.c:258)
[   37.741544][  T342]  ___sys_sendmsg (net/socket.c:2767)
[   37.741547][  T342]  ? copy_msghdr_from_user (net/socket.c:2619)
[   37.741562][  T342]  __sys_sendmsg (net/socket.c:2799)
[   37.741565][  T342]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   37.741571][  T342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   37.741574][  T342]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   37.741576][  T342]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   37.741579][  T342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.741582][  T342] RIP: 0033:0x7f08d078954e
[   37.741584][  T342] 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
[   37.741586][  T342] RSP: 002b:00007ffeb14a6330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.741589][  T342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f08d078954e
[   37.741590][  T342] RDX: 0000000000000000 RSI: 00007ffeb14a63e0 RDI: 0000000000000005
[   37.741591][  T342] RBP: 00007ffeb14a6340 R08: 0000000000000000 R09: 0000000000000000
[   37.741592][  T342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105e1
[   37.741593][  T342] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb14a6aa0
| [   39.857454][   T38] softirqs last disabled at (179652): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   39.857457][   T38] Preemption disabled at:
| [   39.857457][   T38] 0x0
| [   39.857468][   T38] Tainted: [W]=WARN
[   39.857469][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.857471][   T38] Workqueue: events_unbound linkwatch_event
[   39.857475][   T38] Call Trace:
[   39.857476][   T38]  <TASK>
[   39.857478][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.857484][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.857489][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.857492][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.857498][   T38]  __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))
[   39.857501][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.857507][   T38]  ? 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)
[   39.857509][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.857513][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   39.857517][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.857520][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.857526][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.857534][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.857537][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857541][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.857545][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.857549][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.857553][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857555][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.857560][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.857564][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.857565][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.857571][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.857574][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.857575][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.857577][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.857581][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.857583][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.857586][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.857590][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.857592][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.857595][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.857600][   T38]  _printk (kernel/printk/printk.c:2504)
[   39.857604][   T38]  ? snapshot_read.cold (user.c:?)
[   39.857609][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.857613][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   39.857617][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   39.857621][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   39.857623][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   39.857627][   T38]  br_device_event (net/bridge/br.c:101)
[   39.857630][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.857632][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   39.857639][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   39.857645][   T38]  netif_state_change (net/core/dev.c:1625)
[   39.857649][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   39.857654][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   39.857657][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   39.857660][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.857663][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.857668][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   39.857671][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   39.857675][   T38]  process_one_work (kernel/workqueue.c:3387)
[   39.857681][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   39.857684][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.857692][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   39.857699][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   39.857700][   T38]  kthread (kernel/kthread.c:436)
[   39.857703][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   39.857707][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.857710][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   39.857714][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   39.857718][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   39.857722][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   39.857725][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.104201][  T350] softirqs last disabled at (47129): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   41.104204][  T350] Preemption disabled at:
| [   41.104205][  T350] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.104218][  T350] Tainted: [W]=WARN
[   41.104219][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.104221][  T350] Call Trace:
[   41.104228][  T350]  <TASK>
[   41.104230][  T350]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.104237][  T350]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.104240][  T350]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.104246][  T350]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.104251][  T350]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.104259][  T350]  __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))
[   41.104263][  T350]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.104273][  T350]  ? 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)
[   41.104276][  T350]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.104282][  T350]  put_chars (drivers/char/virtio_console.c:1176)
[   41.104286][  T350]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.104292][  T350]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.104297][  T350]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.104302][  T350]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.104309][  T350]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.104314][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.104317][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104320][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104327][  T350]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.104332][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   41.104337][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.104340][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.104347][  T350]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.104353][  T350]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.104361][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.104364][  T350]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.104371][  T350]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.104378][  T350]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.104380][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104389][  T350]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.104394][  T350]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.104396][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.104399][  T350]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.104406][  T350]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.104409][  T350]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.104414][  T350]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.104419][  T350]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.104422][  T350]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.104433][  T350]  _printk (kernel/printk/printk.c:2504)
[   41.104438][  T350]  ? snapshot_read.cold (user.c:?)
[   41.104446][  T350]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   41.104450][  T350]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   41.104457][  T350]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   41.104460][  T350]  ? netdev_notice (net/core/dev.c:13194)
[   41.104468][  T350]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   41.104473][  T350]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   41.104480][  T350]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   41.104485][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   41.104494][  T350]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   41.104498][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   41.104502][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.104506][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.104519][  T350]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.104527][  T350]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   41.104529][  T350]  ? 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))
[   41.104534][  T350]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   41.104543][  T350]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   41.104552][  T350]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   41.104555][  T350]  ? 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)
[   41.104558][  T350]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.104561][  T350]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   41.104573][  T350]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   41.104577][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.104580][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104583][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104587][  T350]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.104628][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.104631][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.104636][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.104639][  T350]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   41.104643][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104651][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.104655][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.104658][  T350]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.104662][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.104669][  T350]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   41.104673][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.104680][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.104682][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104691][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.104694][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.104700][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.104705][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.104710][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.104722][  T350]  ? 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))
[   41.104724][  T350]  ? 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))
[   41.104732][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.104739][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.104744][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.104751][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.104758][  T350]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.104765][  T350]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.104774][  T350]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.104779][  T350]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.104783][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.104785][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   41.104798][  T350]  ___sys_sendmsg (net/socket.c:2767)
[   41.104803][  T350]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.104836][  T350]  __sys_sendmsg (net/socket.c:2799)
[   41.104841][  T350]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.104852][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.104858][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.104861][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.104866][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.104870][  T350] RIP: 0033:0x7fd0a511254e
[   41.104875][  T350] 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
[   41.104878][  T350] RSP: 002b:00007ffeafac5590 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.104882][  T350] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd0a511254e
[   41.104884][  T350] RDX: 0000000000000000 RSI: 00007ffeafac5640 RDI: 0000000000000005
[   41.104886][  T350] RBP: 00007ffeafac55a0 R08: 0000000000000000 R09: 0000000000000000
[   41.104887][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105e4
[   41.104888][  T350] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeafac5d00
| [   42.977580][  T364] softirqs last disabled at (41570): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   42.977583][  T364] Preemption disabled at:
| [   42.977584][  T364] 0x0
| [   42.977594][  T364] Tainted: [W]=WARN
[   42.977595][  T364] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.977597][  T364] Call Trace:
[   42.977598][  T364]  <TASK>
[   42.977600][  T364]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.977606][  T364]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.977611][  T364]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.977615][  T364]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.977620][  T364]  __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))
[   42.977623][  T364]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.977629][  T364]  ? 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)
[   42.977631][  T364]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.977635][  T364]  put_chars (drivers/char/virtio_console.c:1176)
[   42.977638][  T364]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   42.977641][  T364]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.977648][  T364]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.977655][  T364]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.977659][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.977664][  T364]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.977667][  T364]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.977671][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977675][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.977679][  T364]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.977683][  T364]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.977685][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.977691][  T364]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.977693][  T364]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.977694][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977696][  T364]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   42.977700][  T364]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.977702][  T364]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.977705][  T364]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.977709][  T364]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.977710][  T364]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.977713][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.977715][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.977720][  T364]  _printk (kernel/printk/printk.c:2504)
[   42.977724][  T364]  ? snapshot_read.cold (user.c:?)
[   42.977731][  T364]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   42.977735][  T364]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   42.977739][  T364]  br_device_event (net/bridge/br.c:111)
[   42.977742][  T364]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   42.977745][  T364]  ? packet_sendmsg_spkt (af_packet.c:?)
[   42.977751][  T364]  notifier_call_chain (kernel/notifier.c:85)
[   42.977758][  T364]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   42.977762][  T364]  ? netif_change_name (net/core/dev.c:1517)
[   42.977765][  T364]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   42.977767][  T364]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   42.977770][  T364]  ? __kernel_text_address (kernel/extable.c:79)
[   42.977773][  T364]  ? write_profile (profile.c:?)
[   42.977778][  T364]  netif_change_flags (net/core/dev.c:9882)
[   42.977781][  T364]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   42.977785][  T364]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   42.977788][  T364]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   42.977789][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   42.977792][  T364]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   42.977794][  T364]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.977797][  T364]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.977799][  T364]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.977802][  T364]  ? kasan_save_stack (mm/kasan/common.c:58)
[   42.977804][  T364]  ? kasan_save_stack (mm/kasan/common.c:57)
[   42.977805][  T364]  ? kasan_save_track (mm/kasan/common.c:78)
[   42.977807][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.977810][  T364]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   42.977813][  T364]  ? ___sys_sendmsg (net/socket.c:2757)
[   42.977817][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.977820][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.977823][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977825][  T364]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.977827][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977828][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977832][  T364]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   42.977835][  T364]  ? __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)
[   42.977837][  T364]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   42.977839][  T364]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   42.977843][  T364]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   42.977848][  T364]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   42.977854][  T364]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.977860][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.977862][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.977867][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.977869][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.977872][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.977874][  T364]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.977878][  T364]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.977881][  T364]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.977885][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.977886][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.977891][  T364]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.977893][  T364]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.977897][  T364]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.977899][  T364]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.977903][  T364]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.977909][  T364]  ? 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))
[   42.977911][  T364]  ? 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))
[   42.977915][  T364]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.977919][  T364]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.977922][  T364]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.977927][  T364]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.977931][  T364]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.977935][  T364]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   42.977941][  T364]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   42.977943][  T364]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.977945][  T364]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   42.977946][  T364]  ? move_addr_to_kernel (net/socket.c:258)
[   42.977953][  T364]  ___sys_sendmsg (net/socket.c:2767)
[   42.977956][  T364]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.977972][  T364]  __sys_sendmsg (net/socket.c:2799)
[   42.977975][  T364]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.977981][  T364]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.977985][  T364]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.977987][  T364]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.977990][  T364]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.977992][  T364] RIP: 0033:0x7ff13c95954e
[   42.977995][  T364] 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
[   42.977997][  T364] RSP: 002b:00007ffd8829f600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.977999][  T364] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff13c95954e
[   42.978001][  T364] RDX: 0000000000000000 RSI: 00007ffd8829f6b0 RDI: 0000000000000005
[   42.978002][  T364] RBP: 00007ffd8829f610 R08: 0000000000000000 R09: 0000000000000000
[   42.978003][  T364] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105e6
[   42.978003][  T364] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd8829fd70
| [   45.094737][  T186] softirqs last disabled at (114194): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   45.094740][  T186] Preemption disabled at:
| [   45.094740][  T186] 0x0
| [   45.094751][  T186] Tainted: [W]=WARN
[   45.094752][  T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.094754][  T186] Workqueue: events_unbound linkwatch_event
[   45.094757][  T186] Call Trace:
[   45.094759][  T186]  <TASK>
[   45.094760][  T186]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.094766][  T186]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.094771][  T186]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.094775][  T186]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.094780][  T186]  __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))
[   45.094783][  T186]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.094790][  T186]  ? 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)
[   45.094792][  T186]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.094796][  T186]  put_chars (drivers/char/virtio_console.c:1176)
[   45.094799][  T186]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.094803][  T186]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.094809][  T186]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.094816][  T186]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.094820][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.094823][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.094828][  T186]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.094834][  T186]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.094838][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.094840][  T186]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.094845][  T186]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.094849][  T186]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.094850][  T186]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.094856][  T186]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.094858][  T186]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.094860][  T186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.094862][  T186]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.094866][  T186]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.094868][  T186]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.094871][  T186]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.094875][  T186]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.094877][  T186]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.094880][  T186]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.094885][  T186]  _printk (kernel/printk/printk.c:2504)
[   45.094888][  T186]  ? snapshot_read.cold (user.c:?)
[   45.094894][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.094898][  T186]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   45.094902][  T186]  br_init_port (net/bridge/br_stp_if.c:39)
[   45.094905][  T186]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   45.094907][  T186]  br_port_carrier_check (net/bridge/br_if.c:90)
[   45.094911][  T186]  br_device_event (net/bridge/br.c:101)
[   45.094915][  T186]  ? packet_sendmsg_spkt (af_packet.c:?)
[   45.094917][  T186]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   45.094924][  T186]  notifier_call_chain (kernel/notifier.c:85)
[   45.094930][  T186]  netif_state_change (net/core/dev.c:1625)
[   45.094934][  T186]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   45.094939][  T186]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   45.094942][  T186]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   45.094945][  T186]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.094948][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.094953][  T186]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   45.094956][  T186]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   45.094960][  T186]  process_one_work (kernel/workqueue.c:3387)
[   45.094966][  T186]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   45.094969][  T186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.094977][  T186]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   45.094980][  T186]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.094982][  T186]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   45.094985][  T186]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.094988][  T186]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   45.094989][  T186]  kthread (kernel/kthread.c:436)
[   45.094991][  T186]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.094995][  T186]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.094998][  T186]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.095003][  T186]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   45.095006][  T186]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.095010][  T186]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   45.095013][  T186]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.339703][  T372] softirqs last disabled at (47590): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   46.339706][  T372] Preemption disabled at:
| [   46.339707][  T372] vprintk_emit (kernel/printk/printk.c:2471)
| [   46.339716][  T372] Tainted: [W]=WARN
[   46.339717][  T372] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.339718][  T372] Call Trace:
[   46.339720][  T372]  <TASK>
[   46.339722][  T372]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   46.339727][  T372]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   46.339729][  T372]  __might_resched.cold (kernel/sched/core.c:9234)
[   46.339734][  T372]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   46.339738][  T372]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   46.339743][  T372]  __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))
[   46.339746][  T372]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.339753][  T372]  ? 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)
[   46.339755][  T372]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   46.339759][  T372]  put_chars (drivers/char/virtio_console.c:1176)
[   46.339762][  T372]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   46.339766][  T372]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   46.339770][  T372]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.339773][  T372]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   46.339778][  T372]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   46.339782][  T372]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.339784][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339786][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339790][  T372]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   46.339793][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   46.339796][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.339798][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.339802][  T372]  console_emit_next_record (kernel/printk/printk.c:3183)
[   46.339806][  T372]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   46.339810][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.339812][  T372]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   46.339816][  T372]  console_flush_one_record (kernel/printk/printk.c:3268)
[   46.339821][  T372]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   46.339822][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339828][  T372]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   46.339833][  T372]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   46.339835][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.339837][  T372]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   46.339841][  T372]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   46.339843][  T372]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   46.339846][  T372]  vprintk_emit (kernel/printk/printk.c:2479)
[   46.339849][  T372]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   46.339851][  T372]  ? packet_sendmsg_spkt (af_packet.c:?)
[   46.339858][  T372]  _printk (kernel/printk/printk.c:2504)
[   46.339861][  T372]  ? snapshot_read.cold (user.c:?)
[   46.339866][  T372]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   46.339869][  T372]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   46.339872][  T372]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   46.339875][  T372]  ? netdev_notice (net/core/dev.c:13194)
[   46.339879][  T372]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   46.339882][  T372]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   46.339887][  T372]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   46.339890][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   46.339895][  T372]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   46.339899][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   46.339901][  T372]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   46.339904][  T372]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   46.339907][  T372]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   46.339909][  T372]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167)
[   46.339915][  T372]  ? notifier_call_chain (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/notifier.h:59 kernel/notifier.c:84)
[   46.339918][  T372]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   46.339922][  T372]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   46.339924][  T372]  ? 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))
[   46.339927][  T372]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   46.339932][  T372]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   46.339937][  T372]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   46.339939][  T372]  ? 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)
[   46.339941][  T372]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   46.339943][  T372]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   46.339950][  T372]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   46.339952][  T372]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.339954][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339956][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339959][  T372]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.339981][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.339983][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.339986][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.339988][  T372]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   46.339991][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.339995][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.339998][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.340000][  T372]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.340002][  T372]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   46.340006][  T372]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   46.340009][  T372]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   46.340013][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.340015][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.340019][  T372]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   46.340022][  T372]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   46.340025][  T372]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   46.340028][  T372]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.340032][  T372]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.340038][  T372]  ? 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))
[   46.340040][  T372]  ? 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))
[   46.340044][  T372]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.340048][  T372]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.340051][  T372]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   46.340055][  T372]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   46.340059][  T372]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   46.340063][  T372]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   46.340069][  T372]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   46.340072][  T372]  ? copy_msghdr_from_user (net/socket.c:2650)
[   46.340075][  T372]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   46.340076][  T372]  ? move_addr_to_kernel (net/socket.c:258)
[   46.340083][  T372]  ___sys_sendmsg (net/socket.c:2767)
[   46.340086][  T372]  ? copy_msghdr_from_user (net/socket.c:2619)
[   46.340102][  T372]  __sys_sendmsg (net/socket.c:2799)
[   46.340104][  T372]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   46.340110][  T372]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   46.340114][  T372]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   46.340116][  T372]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   46.340118][  T372]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.340121][  T372] RIP: 0033:0x7efe51ce654e
[   46.340125][  T372] 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
[   46.340127][  T372] RSP: 002b:00007fffbd1c89f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.340129][  T372] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efe51ce654e
[   46.340131][  T372] RDX: 0000000000000000 RSI: 00007fffbd1c8aa0 RDI: 0000000000000005
[   46.340131][  T372] RBP: 00007fffbd1c8a00 R08: 0000000000000000 R09: 0000000000000000
[   46.340133][  T372] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9105e9


Finger prints:
br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
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