======================================
| [    8.682020][  T182] softirqs last disabled at (22676): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.682022][  T182] Preemption disabled at:
| [    8.682023][  T182] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.682031][  T182] Tainted: [W]=WARN
[    8.682032][  T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.682033][  T182] Call Trace:
[    8.682035][  T182]  <TASK>
[    8.682037][  T182]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.682042][  T182]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.682044][  T182]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.682048][  T182]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.682052][  T182]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.682058][  T182]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    8.682060][  T182]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.682066][  T182]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.682068][  T182]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.682071][  T182]  put_chars (drivers/char/virtio_console.c:1176)
[    8.682074][  T182]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.682076][  T182]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.682079][  T182]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.682084][  T182]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.682092][  T182]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.682094][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682097][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.682101][  T182]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.682104][  T182]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.682108][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682110][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.682114][  T182]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.682118][  T182]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.682119][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.682124][  T182]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.682126][  T182]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.682128][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682130][  T182]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.682133][  T182]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.682135][  T182]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.682138][  T182]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.682141][  T182]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.682143][  T182]  ? save_trace (kernel/locking/lockdep.c:589)
[    8.682148][  T182]  _printk (kernel/printk/printk.c:2504)
[    8.682151][  T182]  ? snapshot_read.cold (user.c:?)
[    8.682154][  T182]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.682156][  T182]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    8.682159][  T182]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    8.682162][  T182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.682164][  T182]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.682166][  T182]  ? netdev_notice (net/core/dev.c:13194)
[    8.682169][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.682172][  T182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.682174][  T182]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.682178][  T182]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.682180][  T182]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.682183][  T182]  ? register_netdev (net/core/dev.c:11618)
[    8.682185][  T182]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[    8.682190][  T182]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.682192][  T182]  ? __kernel_text_address (kernel/extable.c:79)
[    8.682195][  T182]  ? write_profile (profile.c:?)
[    8.682199][  T182]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.682204][  T182]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.682207][  T182]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.682209][  T182]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.682211][  T182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.682214][  T182]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.682217][  T182]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.682220][  T182]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.682222][  T182]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.682224][  T182]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.682226][  T182]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.682227][  T182]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.682230][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.682232][  T182]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[    8.682235][  T182]  ? ___sys_sendmsg (net/socket.c:2757)
[    8.682239][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.682241][  T182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.682244][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682246][  T182]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.682248][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682249][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682251][  T182]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.682253][  T182]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    8.682256][  T182]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.682258][  T182]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.682262][  T182]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.682264][  T182]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.682269][  T182]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.682275][  T182]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.682280][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.682283][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.682287][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.682289][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.682291][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.682294][  T182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.682297][  T182]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.682300][  T182]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.682303][  T182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.682305][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.682309][  T182]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.682311][  T182]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.682315][  T182]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.682317][  T182]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.682320][  T182]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.682326][  T182]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.682327][  T182]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.682332][  T182]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.682335][  T182]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.682338][  T182]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.682342][  T182]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.682346][  T182]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.682349][  T182]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.682355][  T182]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.682357][  T182]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.682359][  T182]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.682360][  T182]  ? move_addr_to_kernel (net/socket.c:258)
[    8.682367][  T182]  ___sys_sendmsg (net/socket.c:2767)
[    8.682369][  T182]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.682384][  T182]  __sys_sendmsg (net/socket.c:2799)
[    8.682386][  T182]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.682392][  T182]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.682395][  T182]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.682397][  T182]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.682400][  T182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.682402][  T182] RIP: 0033:0x7fa84c05f54e
[    8.682406][  T182] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.682408][  T182] RSP: 002b:00007fffe8d1a320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.682410][  T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa84c05f54e
[    8.682412][  T182] RDX: 0000000000000000 RSI: 00007fffe8d1a3d0 RDI: 0000000000000005
[    8.682416][  T182] RBP: 00007fffe8d1a330 R08: 0000000000000000 R09: 0000000000000000
[    8.682416][  T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e0e
[    8.682417][  T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe8d1aa90
| [   10.760205][  T230] softirqs last disabled at (39256): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   10.760207][  T230] Preemption disabled at:
| [   10.760208][  T230] 0x0
| [   10.760218][  T230] Tainted: [W]=WARN
[   10.760219][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.760220][  T230] Call Trace:
[   10.760222][  T230]  <TASK>
[   10.760223][  T230]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.760229][  T230]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.760233][  T230]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.760237][  T230]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.760243][  T230]  __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))
[   10.760245][  T230]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.760251][  T230]  ? 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)
[   10.760253][  T230]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.760256][  T230]  put_chars (drivers/char/virtio_console.c:1176)
[   10.760259][  T230]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   10.760262][  T230]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.760268][  T230]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.760275][  T230]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.760278][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760283][  T230]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.760286][  T230]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.760290][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760294][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760298][  T230]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.760301][  T230]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.760303][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.760308][  T230]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.760311][  T230]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.760312][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760314][  T230]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.760317][  T230]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.760319][  T230]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.760322][  T230]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.760325][  T230]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.760327][  T230]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.760329][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.760332][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.760336][  T230]  _printk (kernel/printk/printk.c:2504)
[   10.760340][  T230]  ? snapshot_read.cold (user.c:?)
[   10.760347][  T230]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.760351][  T230]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   10.760354][  T230]  br_device_event (net/bridge/br.c:111)
[   10.760357][  T230]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.760360][  T230]  ? packet_sendmsg_spkt (af_packet.c:?)
[   10.760366][  T230]  notifier_call_chain (kernel/notifier.c:85)
[   10.760372][  T230]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   10.760376][  T230]  ? netif_change_name (net/core/dev.c:1517)
[   10.760378][  T230]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   10.760381][  T230]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.760384][  T230]  ? __kernel_text_address (kernel/extable.c:79)
[   10.760386][  T230]  ? write_profile (profile.c:?)
[   10.760391][  T230]  netif_change_flags (net/core/dev.c:9882)
[   10.760395][  T230]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   10.760398][  T230]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.760401][  T230]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.760402][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.760404][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.760408][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.760410][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.760412][  T230]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.760417][  T230]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.760419][  T230]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.760420][  T230]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.760422][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.760424][  T230]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.760427][  T230]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.760432][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.760434][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.760437][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760439][  T230]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.760440][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760442][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760444][  T230]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.760446][  T230]  ? __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)
[   10.760448][  T230]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.760450][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.760453][  T230]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.760458][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.760464][  T230]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.760469][  T230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.760472][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.760476][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.760478][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.760481][  T230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.760483][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.760487][  T230]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.760489][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.760493][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.760494][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.760499][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.760501][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.760505][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.760506][  T230]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.760510][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.760516][  T230]  ? 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))
[   10.760517][  T230]  ? 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))
[   10.760521][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.760525][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.760528][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.760532][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.760536][  T230]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.760540][  T230]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.760545][  T230]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.760547][  T230]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.760549][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.760551][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   10.760558][  T230]  ___sys_sendmsg (net/socket.c:2767)
[   10.760560][  T230]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.760575][  T230]  __sys_sendmsg (net/socket.c:2799)
[   10.760578][  T230]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.760584][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.760587][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.760589][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.760592][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.760594][  T230] RIP: 0033:0x7f45c602954e
[   10.760597][  T230] 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
[   10.760598][  T230] RSP: 002b:00007ffe8ad959b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.760601][  T230] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f45c602954e
[   10.760602][  T230] RDX: 0000000000000000 RSI: 00007ffe8ad95a60 RDI: 0000000000000005
[   10.760603][  T230] RBP: 00007ffe8ad959c0 R08: 0000000000000000 R09: 0000000000000000
[   10.760603][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e10
[   10.760608][  T230] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8ad96120
| [   12.862978][   T39] softirqs last disabled at (60700): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   12.862980][   T39] Preemption disabled at:
| [   12.862981][   T39] 0x0
| [   12.862990][   T39] Tainted: [W]=WARN
[   12.862991][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.862992][   T39] Workqueue: events_unbound linkwatch_event
[   12.862996][   T39] Call Trace:
[   12.862997][   T39]  <TASK>
[   12.862999][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.863004][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.863008][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.863012][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.863017][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.863019][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.863026][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.863027][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.863030][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   12.863034][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.863037][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.863043][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.863050][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.863053][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.863056][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.863061][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.863064][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.863068][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.863070][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.863074][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.863078][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.863079][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.863085][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.863087][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.863088][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.863090][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.863094][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.863096][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.863099][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.863102][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.863104][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.863107][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.863112][   T39]  _printk (kernel/printk/printk.c:2504)
[   12.863115][   T39]  ? snapshot_read.cold (user.c:?)
[   12.863120][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.863124][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.863128][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.863131][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   12.863133][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   12.863136][   T39]  br_device_event (net/bridge/br.c:101)
[   12.863139][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   12.863141][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.863148][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   12.863154][   T39]  netif_state_change (net/core/dev.c:1625)
[   12.863158][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   12.863162][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.863165][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.863168][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.863171][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.863175][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.863178][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.863182][   T39]  process_one_work (kernel/workqueue.c:3387)
[   12.863188][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.863191][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.863198][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.863205][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.863206][   T39]  kthread (kernel/kthread.c:436)
[   12.863209][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.863212][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.863215][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.863220][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.863223][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.863227][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.863230][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.225691][  T238] softirqs last disabled at (46078): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.225694][  T238] Preemption disabled at:
| [   14.225694][  T238] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.225703][  T238] Tainted: [W]=WARN
[   14.225704][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.225705][  T238] Call Trace:
[   14.225707][  T238]  <TASK>
[   14.225709][  T238]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.225714][  T238]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.225715][  T238]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.225720][  T238]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.225723][  T238]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.225729][  T238]  __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))
[   14.225731][  T238]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.225737][  T238]  ? 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)
[   14.225739][  T238]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.225743][  T238]  put_chars (drivers/char/virtio_console.c:1176)
[   14.225746][  T238]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.225749][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.225753][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.225756][  T238]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.225760][  T238]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.225764][  T238]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.225766][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225768][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225772][  T238]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.225775][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.225777][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.225779][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.225784][  T238]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.225787][  T238]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.225791][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.225793][  T238]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.225797][  T238]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.225801][  T238]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.225802][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225807][  T238]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.225810][  T238]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.225811][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.225813][  T238]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.225817][  T238]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.225819][  T238]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.225822][  T238]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.225825][  T238]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.225826][  T238]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.225833][  T238]  _printk (kernel/printk/printk.c:2504)
[   14.225836][  T238]  ? snapshot_read.cold (user.c:?)
[   14.225840][  T238]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.225843][  T238]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.225846][  T238]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.225849][  T238]  ? netdev_notice (net/core/dev.c:13194)
[   14.225853][  T238]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.225856][  T238]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.225861][  T238]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.225864][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.225870][  T238]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.225873][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.225875][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.225878][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.225885][  T238]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.225889][  T238]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.225891][  T238]  ? 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))
[   14.225894][  T238]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.225899][  T238]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.225904][  T238]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.225906][  T238]  ? 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)
[   14.225908][  T238]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.225910][  T238]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.225916][  T238]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.225918][  T238]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.225920][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225922][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225925][  T238]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.225947][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.225949][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.225952][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.225954][  T238]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.225956][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225961][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.225963][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.225965][  T238]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.225967][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.225971][  T238]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.225974][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.225977][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.225979][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.225984][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.225986][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.225989][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.225992][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.225996][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.226002][  T238]  ? 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))
[   14.226004][  T238]  ? 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))
[   14.226008][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.226012][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.226014][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.226019][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.226023][  T238]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.226027][  T238]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.226033][  T238]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.226036][  T238]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.226038][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.226039][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   14.226046][  T238]  ___sys_sendmsg (net/socket.c:2767)
[   14.226049][  T238]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.226064][  T238]  __sys_sendmsg (net/socket.c:2799)
[   14.226067][  T238]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.226073][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.226076][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.226079][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.226082][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.226084][  T238] RIP: 0033:0x7fb4a84c854e
[   14.226088][  T238] 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
[   14.226090][  T238] RSP: 002b:00007ffc68711190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.226092][  T238] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb4a84c854e
[   14.226093][  T238] RDX: 0000000000000000 RSI: 00007ffc68711240 RDI: 0000000000000005
[   14.226094][  T238] RBP: 00007ffc687111a0 R08: 0000000000000000 R09: 0000000000000000
[   14.226095][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e13
[   14.226096][  T238] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc68711900
| [   15.895608][  T252] softirqs last disabled at (45594): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   15.895611][  T252] Preemption disabled at:
| [   15.895611][  T252] 0x0
| [   15.895622][  T252] Tainted: [W]=WARN
[   15.895622][  T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.895624][  T252] Call Trace:
[   15.895626][  T252]  <TASK>
[   15.895627][  T252]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.895637][  T252]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.895642][  T252]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.895646][  T252]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.895651][  T252]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.895654][  T252]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.895660][  T252]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.895662][  T252]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.895666][  T252]  put_chars (drivers/char/virtio_console.c:1176)
[   15.895668][  T252]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   15.895671][  T252]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.895677][  T252]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.895684][  T252]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.895687][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.895692][  T252]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.895695][  T252]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.895699][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895703][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.895707][  T252]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.895710][  T252]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.895711][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.895717][  T252]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.895719][  T252]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.895721][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895723][  T252]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.895726][  T252]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.895728][  T252]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.895731][  T252]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.895734][  T252]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.895736][  T252]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.895738][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.895741][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.895745][  T252]  _printk (kernel/printk/printk.c:2504)
[   15.895748][  T252]  ? snapshot_read.cold (user.c:?)
[   15.895755][  T252]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   15.895759][  T252]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   15.895763][  T252]  br_device_event (net/bridge/br.c:111)
[   15.895765][  T252]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   15.895769][  T252]  ? packet_sendmsg_spkt (af_packet.c:?)
[   15.895775][  T252]  notifier_call_chain (kernel/notifier.c:85)
[   15.895781][  T252]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   15.895785][  T252]  ? netif_change_name (net/core/dev.c:1517)
[   15.895788][  T252]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   15.895790][  T252]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.895793][  T252]  ? __kernel_text_address (kernel/extable.c:79)
[   15.895796][  T252]  ? write_profile (profile.c:?)
[   15.895800][  T252]  netif_change_flags (net/core/dev.c:9882)
[   15.895804][  T252]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.895808][  T252]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.895810][  T252]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.895812][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.895814][  T252]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.895817][  T252]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.895819][  T252]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.895821][  T252]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.895824][  T252]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.895826][  T252]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.895827][  T252]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.895829][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.895831][  T252]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   15.895834][  T252]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.895839][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.895841][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.895844][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895846][  T252]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.895848][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895849][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895851][  T252]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.895854][  T252]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.895855][  T252]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.895857][  T252]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.895861][  T252]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.895866][  T252]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.895872][  T252]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.895877][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.895880][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.895884][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.895886][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.895889][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.895891][  T252]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.895895][  T252]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.895897][  T252]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.895901][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.895902][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.895907][  T252]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.895909][  T252]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.895912][  T252]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.895914][  T252]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.895918][  T252]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.895924][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.895925][  T252]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.895929][  T252]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.895933][  T252]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.895936][  T252]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.895940][  T252]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.895944][  T252]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.895948][  T252]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.895953][  T252]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.895955][  T252]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.895957][  T252]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.895959][  T252]  ? move_addr_to_kernel (net/socket.c:258)
[   15.895966][  T252]  ___sys_sendmsg (net/socket.c:2767)
[   15.895968][  T252]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.895983][  T252]  __sys_sendmsg (net/socket.c:2799)
[   15.895986][  T252]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.895992][  T252]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.895995][  T252]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.895997][  T252]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.896000][  T252]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.896002][  T252] RIP: 0033:0x7fcbc593f54e
[   15.896005][  T252] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.896006][  T252] RSP: 002b:00007ffebe845f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.896009][  T252] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcbc593f54e
[   15.896010][  T252] RDX: 0000000000000000 RSI: 00007ffebe846030 RDI: 0000000000000005
[   15.896011][  T252] RBP: 00007ffebe845f90 R08: 0000000000000000 R09: 0000000000000000
[   15.896012][  T252] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e15
[   15.896013][  T252] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebe8466f0
| [   18.013809][   T39] softirqs last disabled at (88832): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   18.013812][   T39] Preemption disabled at:
| [   18.013812][   T39] 0x0
| [   18.013823][   T39] Tainted: [W]=WARN
[   18.013824][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.013825][   T39] Workqueue: events_unbound linkwatch_event
[   18.013829][   T39] Call Trace:
[   18.013831][   T39]  <TASK>
[   18.013832][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.013837][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.013842][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.013845][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.013851][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.013853][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.013859][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.013861][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.013865][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   18.013868][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.013872][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.013877][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.013885][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.013888][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.013891][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.013895][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.013899][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.013903][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.013905][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.013909][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.013913][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.013914][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.013920][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.013922][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.013923][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.013925][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.013929][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.013931][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.013934][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.013937][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.013940][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.013942][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.013947][   T39]  _printk (kernel/printk/printk.c:2504)
[   18.013950][   T39]  ? snapshot_read.cold (user.c:?)
[   18.013955][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.013959][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.013963][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   18.013966][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   18.013968][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   18.013972][   T39]  br_device_event (net/bridge/br.c:101)
[   18.013975][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.013977][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.013984][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   18.013990][   T39]  netif_state_change (net/core/dev.c:1625)
[   18.013994][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.013999][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.014001][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.014005][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.014007][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.014012][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.014015][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   18.014018][   T39]  process_one_work (kernel/workqueue.c:3387)
[   18.014024][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.014027][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.014034][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.014041][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.014042][   T39]  kthread (kernel/kthread.c:436)
[   18.014045][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.014048][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.014051][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.014056][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.014059][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.014062][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.014065][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.340382][  T260] softirqs last disabled at (47660): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.340384][  T260] Preemption disabled at:
| [   19.340385][  T260] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.340394][  T260] Tainted: [W]=WARN
[   19.340394][  T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.340396][  T260] Call Trace:
[   19.340398][  T260]  <TASK>
[   19.340399][  T260]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.340404][  T260]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.340406][  T260]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.340410][  T260]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.340416][  T260]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.340421][  T260]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.340424][  T260]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.340429][  T260]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.340431][  T260]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.340435][  T260]  put_chars (drivers/char/virtio_console.c:1176)
[   19.340438][  T260]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.340441][  T260]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.340445][  T260]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.340448][  T260]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.340452][  T260]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.340456][  T260]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.340458][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340459][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340463][  T260]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.340466][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.340469][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.340471][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.340475][  T260]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.340478][  T260]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.340482][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.340484][  T260]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.340488][  T260]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.340491][  T260]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.340492][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340498][  T260]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.340500][  T260]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.340501][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.340503][  T260]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.340507][  T260]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.340509][  T260]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.340511][  T260]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.340515][  T260]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.340516][  T260]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.340522][  T260]  _printk (kernel/printk/printk.c:2504)
[   19.340526][  T260]  ? snapshot_read.cold (user.c:?)
[   19.340530][  T260]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.340533][  T260]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.340536][  T260]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.340539][  T260]  ? netdev_notice (net/core/dev.c:13194)
[   19.340543][  T260]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.340546][  T260]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.340550][  T260]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   19.340554][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.340559][  T260]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   19.340562][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   19.340564][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.340567][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.340574][  T260]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.340578][  T260]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   19.340579][  T260]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   19.340582][  T260]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   19.340587][  T260]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   19.340593][  T260]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.340594][  T260]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.340596][  T260]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.340598][  T260]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   19.340605][  T260]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.340607][  T260]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.340609][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340611][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340613][  T260]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.340634][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.340636][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.340639][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.340641][  T260]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.340643][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340647][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.340649][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.340651][  T260]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.340658][  T260]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.340662][  T260]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.340665][  T260]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.340668][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.340670][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340675][  T260]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.340677][  T260]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.340680][  T260]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.340683][  T260]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.340687][  T260]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.340693][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.340694][  T260]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.340698][  T260]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.340702][  T260]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.340705][  T260]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340709][  T260]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.340712][  T260]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.340716][  T260]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.340722][  T260]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.340725][  T260]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.340727][  T260]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.340728][  T260]  ? move_addr_to_kernel (net/socket.c:258)
[   19.340735][  T260]  ___sys_sendmsg (net/socket.c:2767)
[   19.340738][  T260]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.340752][  T260]  __sys_sendmsg (net/socket.c:2799)
[   19.340755][  T260]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.340761][  T260]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.340764][  T260]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.340766][  T260]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.340769][  T260]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.340772][  T260] RIP: 0033:0x7f1dc3aeb54e
[   19.340776][  T260] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.340777][  T260] RSP: 002b:00007ffcab3a4fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.340780][  T260] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f1dc3aeb54e
[   19.340781][  T260] RDX: 0000000000000000 RSI: 00007ffcab3a5070 RDI: 0000000000000005
[   19.340782][  T260] RBP: 00007ffcab3a4fd0 R08: 0000000000000000 R09: 0000000000000000
[   19.340783][  T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e18
[   19.340784][  T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcab3a5730
| [   20.991933][  T274] softirqs last disabled at (33290): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   20.991936][  T274] Preemption disabled at:
| [   20.991936][  T274] 0x0
| [   20.991947][  T274] Tainted: [W]=WARN
[   20.991948][  T274] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.991949][  T274] Call Trace:
[   20.991951][  T274]  <TASK>
[   20.991953][  T274]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.991958][  T274]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.991962][  T274]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.991966][  T274]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.991972][  T274]  __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))
[   20.991974][  T274]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.991980][  T274]  ? 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)
[   20.991982][  T274]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.991986][  T274]  put_chars (drivers/char/virtio_console.c:1176)
[   20.991988][  T274]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   20.991990][  T274]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.991997][  T274]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.992004][  T274]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.992007][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.992012][  T274]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.992015][  T274]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.992019][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992022][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.992026][  T274]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.992030][  T274]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.992031][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.992037][  T274]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.992039][  T274]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.992040][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992042][  T274]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   20.992046][  T274]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.992048][  T274]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.992051][  T274]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.992054][  T274]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.992055][  T274]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   20.992058][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.992060][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.992065][  T274]  _printk (kernel/printk/printk.c:2504)
[   20.992068][  T274]  ? snapshot_read.cold (user.c:?)
[   20.992075][  T274]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   20.992079][  T274]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   20.992083][  T274]  br_device_event (net/bridge/br.c:111)
[   20.992085][  T274]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   20.992089][  T274]  ? packet_sendmsg_spkt (af_packet.c:?)
[   20.992094][  T274]  notifier_call_chain (kernel/notifier.c:85)
[   20.992100][  T274]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   20.992104][  T274]  ? netif_change_name (net/core/dev.c:1517)
[   20.992107][  T274]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   20.992109][  T274]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.992112][  T274]  ? __kernel_text_address (kernel/extable.c:79)
[   20.992114][  T274]  ? write_profile (profile.c:?)
[   20.992119][  T274]  netif_change_flags (net/core/dev.c:9882)
[   20.992123][  T274]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   20.992126][  T274]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   20.992129][  T274]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   20.992130][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.992132][  T274]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.992136][  T274]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.992138][  T274]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.992140][  T274]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.992142][  T274]  ? kasan_save_stack (mm/kasan/common.c:58)
[   20.992144][  T274]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.992146][  T274]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.992148][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.992150][  T274]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   20.992153][  T274]  ? ___sys_sendmsg (net/socket.c:2757)
[   20.992158][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.992160][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.992163][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992164][  T274]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.992166][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992168][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992169][  T274]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   20.992172][  T274]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   20.992173][  T274]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   20.992175][  T274]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   20.992179][  T274]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   20.992184][  T274]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   20.992190][  T274]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   20.992195][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.992198][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.992202][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.992204][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.992206][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.992209][  T274]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   20.992212][  T274]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   20.992215][  T274]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   20.992218][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.992220][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.992225][  T274]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   20.992227][  T274]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.992231][  T274]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   20.992232][  T274]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.992236][  T274]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.992242][  T274]  ? 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))
[   20.992243][  T274]  ? 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))
[   20.992247][  T274]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.992251][  T274]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.992254][  T274]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.992258][  T274]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   20.992262][  T274]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   20.992265][  T274]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   20.992271][  T274]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   20.992273][  T274]  ? copy_msghdr_from_user (net/socket.c:2650)
[   20.992275][  T274]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   20.992276][  T274]  ? move_addr_to_kernel (net/socket.c:258)
[   20.992283][  T274]  ___sys_sendmsg (net/socket.c:2767)
[   20.992286][  T274]  ? copy_msghdr_from_user (net/socket.c:2619)
[   20.992301][  T274]  __sys_sendmsg (net/socket.c:2799)
[   20.992303][  T274]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   20.992309][  T274]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.992312][  T274]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.992314][  T274]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.992317][  T274]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.992320][  T274] RIP: 0033:0x7f57c1fdf54e
[   20.992322][  T274] 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
[   20.992324][  T274] RSP: 002b:00007ffce0ed0760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.992326][  T274] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f57c1fdf54e
[   20.992328][  T274] RDX: 0000000000000000 RSI: 00007ffce0ed0810 RDI: 0000000000000005
[   20.992328][  T274] RBP: 00007ffce0ed0770 R08: 0000000000000000 R09: 0000000000000000
[   20.992329][  T274] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e1a
[   20.992330][  T274] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce0ed0ed0
| [   23.102848][   T38] softirqs last disabled at (85448): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   23.102851][   T38] Preemption disabled at:
| [   23.102851][   T38] 0x0
| [   23.102862][   T38] Tainted: [W]=WARN
[   23.102863][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.102864][   T38] Workqueue: events_unbound linkwatch_event
[   23.102868][   T38] Call Trace:
[   23.102870][   T38]  <TASK>
[   23.102871][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.102877][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.102881][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.102885][   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)
[   23.102890][   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))
[   23.102893][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.102899][   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)
[   23.102901][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.102905][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   23.102908][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.102912][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.102917][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.102924][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.102927][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.102931][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.102935][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.102938][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.102942][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.102944][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.102948][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.102952][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.102953][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.102959][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.102961][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.102963][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.102965][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.102969][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.102970][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.102973][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.102977][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.102979][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.102981][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.102986][   T38]  _printk (kernel/printk/printk.c:2504)
[   23.102989][   T38]  ? snapshot_read.cold (user.c:?)
[   23.102994][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.102998][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.103002][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.103005][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   23.103007][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   23.103011][   T38]  br_device_event (net/bridge/br.c:101)
[   23.103014][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   23.103016][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.103022][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   23.103028][   T38]  netif_state_change (net/core/dev.c:1625)
[   23.103033][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   23.103037][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.103040][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.103043][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.103046][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.103050][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.103053][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.103057][   T38]  process_one_work (kernel/workqueue.c:3387)
[   23.103063][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   23.103065][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.103073][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.103079][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   23.103081][   T38]  kthread (kernel/kthread.c:436)
[   23.103083][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.103087][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.103090][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.103094][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   23.103098][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.103101][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.103104][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.459234][  T282] softirqs last disabled at (43690): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.459236][  T282] Preemption disabled at:
| [   24.459237][  T282] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.459246][  T282] Tainted: [W]=WARN
[   24.459247][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.459248][  T282] Call Trace:
[   24.459250][  T282]  <TASK>
[   24.459251][  T282]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.459256][  T282]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.459258][  T282]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.459262][  T282]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.459266][  T282]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.459271][  T282]  __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))
[   24.459273][  T282]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.459279][  T282]  ? 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)
[   24.459281][  T282]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.459285][  T282]  put_chars (drivers/char/virtio_console.c:1176)
[   24.459288][  T282]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.459291][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.459295][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.459298][  T282]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.459302][  T282]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.459306][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459308][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459309][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459313][  T282]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.459316][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.459319][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459321][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.459325][  T282]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.459328][  T282]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.459332][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459334][  T282]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.459338][  T282]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.459341][  T282]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.459342][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459348][  T282]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.459350][  T282]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.459351][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459353][  T282]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.459357][  T282]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.459359][  T282]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.459362][  T282]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.459365][  T282]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.459366][  T282]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.459373][  T282]  _printk (kernel/printk/printk.c:2504)
[   24.459376][  T282]  ? snapshot_read.cold (user.c:?)
[   24.459380][  T282]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.459383][  T282]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.459386][  T282]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.459388][  T282]  ? netdev_notice (net/core/dev.c:13194)
[   24.459393][  T282]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   24.459396][  T282]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   24.459400][  T282]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   24.459403][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.459408][  T282]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   24.459412][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   24.459415][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459418][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459425][  T282]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.459429][  T282]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   24.459431][  T282]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   24.459434][  T282]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   24.459439][  T282]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   24.459444][  T282]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   24.459446][  T282]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.459448][  T282]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.459450][  T282]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   24.459456][  T282]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   24.459458][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459460][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459462][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459464][  T282]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459485][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459487][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459490][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459492][  T282]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459494][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459499][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459501][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459503][  T282]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459505][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459509][  T282]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459511][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.459515][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.459517][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459521][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459523][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459527][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.459530][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.459533][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.459539][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   24.459541][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   24.459545][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.459548][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.459551][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459555][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.459559][  T282]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.459563][  T282]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.459568][  T282]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.459572][  T282]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.459574][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.459575][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   24.459582][  T282]  ___sys_sendmsg (net/socket.c:2767)
[   24.459584][  T282]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.459599][  T282]  __sys_sendmsg (net/socket.c:2799)
[   24.459602][  T282]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.459608][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459611][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.459613][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.459616][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.459618][  T282] RIP: 0033:0x7f6114f5554e
[   24.459622][  T282] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   24.459624][  T282] RSP: 002b:00007ffce7ecae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.459626][  T282] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f6114f5554e
[   24.459627][  T282] RDX: 0000000000000000 RSI: 00007ffce7ecaec0 RDI: 0000000000000005
[   24.459628][  T282] RBP: 00007ffce7ecae20 R08: 0000000000000000 R09: 0000000000000000
[   24.459629][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e1d
[   24.459630][  T282] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce7ecb580
| [   25.891587][   T12] softirqs last disabled at (1640): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.891590][   T12] Preemption disabled at:
| [   25.891590][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.891599][   T12] Tainted: [W]=WARN
[   25.891600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.891601][   T12] Workqueue: bond0 bond_mii_monitor
[   25.891604][   T12] Call Trace:
[   25.891606][   T12]  <TASK>
[   25.891608][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.891613][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.891614][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.891619][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.891622][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.891627][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.891630][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.891636][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.891638][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.891641][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.891644][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.891646][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.891649][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.891653][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.891657][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.891661][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.891663][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.891668][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.891671][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.891674][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.891678][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.891681][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.891685][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.891687][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.891691][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.891699][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.891700][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.891705][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.891708][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.891709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.891711][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.891715][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.891717][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.891720][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.891723][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.891724][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.891727][   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))
[   25.891732][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.891736][   T12]  ? snapshot_read.cold (user.c:?)
[   25.891740][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.891743][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.891746][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.891749][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.891752][   T12]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   25.891760][   T12]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   25.891766][   T12]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   25.891767][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.891770][   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))
[   25.891773][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.891775][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.891780][   T12]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   25.891781][   T12]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   25.891783][   T12]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   25.891785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.891787][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.891789][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.891792][   T12]  ? process_one_work (kernel/workqueue.c:3386)
[   25.891793][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.891799][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.891801][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.891809][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.891815][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.891817][   T12]  kthread (kernel/kthread.c:436)
[   25.891820][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.891823][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.891826][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.891830][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.891834][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.891837][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.891840][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.201057][   T39] softirqs last disabled at (119544): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   28.201060][   T39] Preemption disabled at:
| [   28.201060][   T39] 0x0
| [   28.201070][   T39] Tainted: [W]=WARN
[   28.201070][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.201072][   T39] Workqueue: events_unbound linkwatch_event
[   28.201075][   T39] Call Trace:
[   28.201076][   T39]  <TASK>
[   28.201078][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.201083][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.201087][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.201091][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.201096][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.201098][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.201105][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.201106][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.201110][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   28.201113][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.201116][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.201122][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.201129][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.201132][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.201135][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.201140][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.201143][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.201147][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.201149][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.201153][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.201157][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.201158][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.201164][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.201166][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.201167][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.201169][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.201173][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.201175][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.201178][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.201181][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.201183][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.201185][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.201190][   T39]  _printk (kernel/printk/printk.c:2504)
[   28.201194][   T39]  ? snapshot_read.cold (user.c:?)
[   28.201199][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.201203][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.201206][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.201209][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   28.201211][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   28.201215][   T39]  br_device_event (net/bridge/br.c:101)
[   28.201218][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.201220][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.201227][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   28.201233][   T39]  netif_state_change (net/core/dev.c:1625)
[   28.201237][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   28.201241][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   28.201244][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   28.201247][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.201250][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.201255][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   28.201257][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   28.201261][   T39]  process_one_work (kernel/workqueue.c:3387)
[   28.201267][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.201269][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.201277][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.201283][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.201285][   T39]  kthread (kernel/kthread.c:436)
[   28.201288][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.201291][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.201294][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.201298][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.201301][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.201304][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.201307][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.414300][  T304] softirqs last disabled at (43390): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.414303][  T304] Preemption disabled at:
| [   29.414304][  T304] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.414311][  T304] Tainted: [W]=WARN
[   29.414312][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.414313][  T304] Call Trace:
[   29.414315][  T304]  <TASK>
[   29.414316][  T304]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.414321][  T304]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.414323][  T304]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.414327][  T304]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.414331][  T304]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.414336][  T304]  __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))
[   29.414339][  T304]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.414344][  T304]  ? 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)
[   29.414346][  T304]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.414349][  T304]  put_chars (drivers/char/virtio_console.c:1176)
[   29.414352][  T304]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.414356][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.414359][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.414362][  T304]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.414366][  T304]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.414369][  T304]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.414372][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414373][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414377][  T304]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.414380][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.414382][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.414385][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.414389][  T304]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.414392][  T304]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.414396][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.414397][  T304]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.414401][  T304]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.414405][  T304]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.414406][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414411][  T304]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.414416][  T304]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.414417][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.414419][  T304]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.414423][  T304]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.414425][  T304]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.414427][  T304]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.414431][  T304]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.414432][  T304]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.414438][  T304]  _printk (kernel/printk/printk.c:2504)
[   29.414441][  T304]  ? snapshot_read.cold (user.c:?)
[   29.414446][  T304]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.414449][  T304]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.414452][  T304]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.414454][  T304]  ? netdev_notice (net/core/dev.c:13194)
[   29.414459][  T304]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   29.414462][  T304]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   29.414466][  T304]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   29.414469][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.414474][  T304]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   29.414477][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   29.414479][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.414482][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.414489][  T304]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.414493][  T304]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   29.414494][  T304]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   29.414497][  T304]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   29.414502][  T304]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   29.414508][  T304]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.414509][  T304]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.414511][  T304]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.414513][  T304]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   29.414519][  T304]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   29.414522][  T304]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.414524][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414525][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414528][  T304]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.414549][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.414551][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.414554][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.414556][  T304]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.414558][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414562][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.414564][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.414567][  T304]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.414569][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.414573][  T304]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.414575][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.414579][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.414581][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414585][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.414587][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.414591][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.414594][  T304]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.414597][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.414603][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.414604][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.414609][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.414612][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.414615][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.414619][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.414623][  T304]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.414627][  T304]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.414632][  T304]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.414635][  T304]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.414637][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.414639][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   29.414645][  T304]  ___sys_sendmsg (net/socket.c:2767)
[   29.414648][  T304]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.414663][  T304]  __sys_sendmsg (net/socket.c:2799)
[   29.414665][  T304]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.414671][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.414674][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.414677][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.414680][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.414682][  T304] RIP: 0033:0x7f444185b54e
[   29.414685][  T304] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.414687][  T304] RSP: 002b:00007ffc466d8de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.414689][  T304] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f444185b54e
[   29.414690][  T304] RDX: 0000000000000000 RSI: 00007ffc466d8e90 RDI: 0000000000000005
[   29.414692][  T304] RBP: 00007ffc466d8df0 R08: 0000000000000000 R09: 0000000000000000
[   29.414692][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e22
[   29.414693][  T304] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc466d9550
| [   31.073120][  T318] softirqs last disabled at (41668): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   31.073122][  T318] Preemption disabled at:
| [   31.073123][  T318] 0x0
| [   31.073133][  T318] Tainted: [W]=WARN
[   31.073134][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.073135][  T318] Call Trace:
[   31.073137][  T318]  <TASK>
[   31.073138][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.073144][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.073149][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.073153][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.073158][  T318]  __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))
[   31.073161][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.073166][  T318]  ? 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)
[   31.073169][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.073172][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   31.073174][  T318]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   31.073177][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.073184][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.073190][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.073193][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073198][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.073201][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.073205][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073209][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073213][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.073216][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.073218][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073223][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.073225][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.073227][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073229][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.073232][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.073234][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.073237][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.073240][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.073242][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.073244][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.073247][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.073251][  T318]  _printk (kernel/printk/printk.c:2504)
[   31.073255][  T318]  ? snapshot_read.cold (user.c:?)
[   31.073262][  T318]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   31.073266][  T318]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   31.073269][  T318]  br_device_event (net/bridge/br.c:111)
[   31.073271][  T318]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   31.073275][  T318]  ? packet_sendmsg_spkt (af_packet.c:?)
[   31.073281][  T318]  notifier_call_chain (kernel/notifier.c:85)
[   31.073286][  T318]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.073291][  T318]  ? netif_change_name (net/core/dev.c:1517)
[   31.073293][  T318]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   31.073296][  T318]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.073299][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   31.073301][  T318]  ? write_profile (profile.c:?)
[   31.073306][  T318]  netif_change_flags (net/core/dev.c:9882)
[   31.073309][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.073313][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.073315][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.073317][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.073319][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.073322][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.073325][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.073326][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.073329][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.073331][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.073333][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.073335][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073337][  T318]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   31.073340][  T318]  ? ___sys_sendmsg (net/socket.c:2757)
[   31.073344][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073347][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.073350][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073352][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073353][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073355][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073356][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.073359][  T318]  ? __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)
[   31.073361][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.073363][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.073366][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.073371][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.073377][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.073383][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073385][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073390][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073392][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.073394][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073396][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.073400][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073403][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.073406][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.073408][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073412][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073416][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.073420][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.073422][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.073426][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.073432][  T318]  ? 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))
[   31.073433][  T318]  ? 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))
[   31.073437][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.073441][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.073444][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073448][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.073452][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.073456][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.073461][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.073463][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.073465][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.073467][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   31.073474][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   31.073476][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.073491][  T318]  __sys_sendmsg (net/socket.c:2799)
[   31.073494][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.073500][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073503][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.073505][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.073508][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.073510][  T318] RIP: 0033:0x7f575c33354e
[   31.073513][  T318] 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
[   31.073515][  T318] RSP: 002b:00007ffd1422c4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.073517][  T318] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f575c33354e
[   31.073519][  T318] RDX: 0000000000000000 RSI: 00007ffd1422c580 RDI: 0000000000000005
[   31.073520][  T318] RBP: 00007ffd1422c4e0 R08: 0000000000000000 R09: 0000000000000000
[   31.073520][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e24
[   31.073521][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1422cc40
| [   33.173817][  T201] softirqs last disabled at (49522): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   33.173819][  T201] Preemption disabled at:
| [   33.173820][  T201] 0x0
| [   33.173829][  T201] Tainted: [W]=WARN
[   33.173829][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.173831][  T201] Workqueue: events_unbound linkwatch_event
[   33.173834][  T201] Call Trace:
[   33.173836][  T201]  <TASK>
[   33.173837][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.173843][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.173847][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.173850][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.173856][  T201]  __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))
[   33.173858][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.173864][  T201]  ? 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)
[   33.173866][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.173870][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   33.173873][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.173876][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.173882][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.173889][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.173892][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.173895][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.173899][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.173903][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.173907][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.173908][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.173913][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.173916][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.173918][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.173923][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.173925][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.173927][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.173929][  T201]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.173933][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.173935][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.173937][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.173941][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.173943][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.173945][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.173950][  T201]  _printk (kernel/printk/printk.c:2504)
[   33.173954][  T201]  ? snapshot_read.cold (user.c:?)
[   33.173959][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.173963][  T201]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   33.173967][  T201]  br_init_port (net/bridge/br_stp_if.c:39)
[   33.173969][  T201]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   33.173972][  T201]  br_port_carrier_check (net/bridge/br_if.c:90)
[   33.173975][  T201]  br_device_event (net/bridge/br.c:101)
[   33.173978][  T201]  ? packet_sendmsg_spkt (af_packet.c:?)
[   33.173980][  T201]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.173987][  T201]  notifier_call_chain (kernel/notifier.c:85)
[   33.173993][  T201]  netif_state_change (net/core/dev.c:1625)
[   33.173999][  T201]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.174006][  T201]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   33.174010][  T201]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.174015][  T201]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.174019][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.174026][  T201]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.174029][  T201]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   33.174033][  T201]  process_one_work (kernel/workqueue.c:3387)
[   33.174039][  T201]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.174041][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.174049][  T201]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.174053][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.174054][  T201]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   33.174057][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.174060][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.174061][  T201]  kthread (kernel/kthread.c:436)
[   33.174063][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.174067][  T201]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.174070][  T201]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.174074][  T201]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.174077][  T201]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.174081][  T201]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.174084][  T201]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.405775][  T326] softirqs last disabled at (43618): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.405778][  T326] Preemption disabled at:
| [   34.405778][  T326] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.405787][  T326] Tainted: [W]=WARN
[   34.405787][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.405789][  T326] Call Trace:
[   34.405791][  T326]  <TASK>
[   34.405792][  T326]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.405798][  T326]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.405799][  T326]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.405804][  T326]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.405807][  T326]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.405813][  T326]  __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))
[   34.405815][  T326]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.405821][  T326]  ? 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)
[   34.405823][  T326]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.405827][  T326]  put_chars (drivers/char/virtio_console.c:1176)
[   34.405830][  T326]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.405833][  T326]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.405837][  T326]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.405840][  T326]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.405844][  T326]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.405848][  T326]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.405850][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.405852][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.405856][  T326]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.405858][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   34.405861][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.405863][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.405867][  T326]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.405870][  T326]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.405874][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.405876][  T326]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.405880][  T326]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.405883][  T326]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.405885][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.405890][  T326]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.405892][  T326]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.405894][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.405895][  T326]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.405899][  T326]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.405901][  T326]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.405904][  T326]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.405907][  T326]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.405908][  T326]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.405915][  T326]  _printk (kernel/printk/printk.c:2504)
[   34.405919][  T326]  ? snapshot_read.cold (user.c:?)
[   34.405923][  T326]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.405926][  T326]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.405929][  T326]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.405931][  T326]  ? netdev_notice (net/core/dev.c:13194)
[   34.405936][  T326]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   34.405939][  T326]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   34.405943][  T326]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   34.405946][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.405951][  T326]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   34.405954][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   34.405957][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.405959][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.405966][  T326]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.405970][  T326]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   34.405972][  T326]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   34.405975][  T326]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   34.405979][  T326]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   34.405985][  T326]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   34.405986][  T326]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   34.405988][  T326]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.405990][  T326]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   34.405996][  T326]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   34.405998][  T326]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.406000][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.406002][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.406005][  T326]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.406025][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.406027][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.406030][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.406032][  T326]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.406034][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.406039][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.406041][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.406043][  T326]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.406045][  T326]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.406049][  T326]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.406052][  T326]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.406055][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.406057][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.406061][  T326]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.406063][  T326]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.406067][  T326]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.406070][  T326]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.406073][  T326]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.406079][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   34.406081][  T326]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   34.406085][  T326]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.406089][  T326]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.406091][  T326]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.406095][  T326]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.406099][  T326]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.406103][  T326]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.406109][  T326]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.406112][  T326]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.406114][  T326]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.406115][  T326]  ? move_addr_to_kernel (net/socket.c:258)
[   34.406122][  T326]  ___sys_sendmsg (net/socket.c:2767)
[   34.406124][  T326]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.406139][  T326]  __sys_sendmsg (net/socket.c:2799)
[   34.406142][  T326]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.406147][  T326]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.406150][  T326]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.406153][  T326]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.406156][  T326]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.406158][  T326] RIP: 0033:0x7f3d8fce054e
[   34.406162][  T326] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   34.406164][  T326] RSP: 002b:00007ffcb058aef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.406166][  T326] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f3d8fce054e
[   34.406168][  T326] RDX: 0000000000000000 RSI: 00007ffcb058afa0 RDI: 0000000000000005
[   34.406169][  T326] RBP: 00007ffcb058af00 R08: 0000000000000000 R09: 0000000000000000
[   34.406169][  T326] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e27
[   34.406170][  T326] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb058b660
| [   36.059730][  T340] softirqs last disabled at (37400): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   36.059732][  T340] Preemption disabled at:
| [   36.059733][  T340] 0x0
| [   36.059743][  T340] Tainted: [W]=WARN
[   36.059744][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.059746][  T340] Call Trace:
[   36.059747][  T340]  <TASK>
[   36.059749][  T340]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.059759][  T340]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.059763][  T340]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.059767][  T340]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.059772][  T340]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   36.059775][  T340]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.059781][  T340]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.059783][  T340]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.059786][  T340]  put_chars (drivers/char/virtio_console.c:1176)
[   36.059789][  T340]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   36.059792][  T340]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.059799][  T340]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.059805][  T340]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.059808][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.059813][  T340]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.059816][  T340]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.059820][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.059824][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.059828][  T340]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.059831][  T340]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.059833][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.059838][  T340]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.059841][  T340]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.059842][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.059844][  T340]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.059848][  T340]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.059850][  T340]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.059853][  T340]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.059856][  T340]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.059857][  T340]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.059860][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.059862][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.059867][  T340]  _printk (kernel/printk/printk.c:2504)
[   36.059870][  T340]  ? snapshot_read.cold (user.c:?)
[   36.059877][  T340]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.059881][  T340]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   36.059885][  T340]  br_device_event (net/bridge/br.c:111)
[   36.059887][  T340]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.059890][  T340]  ? packet_sendmsg_spkt (af_packet.c:?)
[   36.059896][  T340]  notifier_call_chain (kernel/notifier.c:85)
[   36.059902][  T340]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.059906][  T340]  ? netif_change_name (net/core/dev.c:1517)
[   36.059908][  T340]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.059911][  T340]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.059914][  T340]  ? __kernel_text_address (kernel/extable.c:79)
[   36.059917][  T340]  ? write_profile (profile.c:?)
[   36.059921][  T340]  netif_change_flags (net/core/dev.c:9882)
[   36.059925][  T340]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.059929][  T340]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.059931][  T340]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.059933][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.059935][  T340]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.059938][  T340]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.059940][  T340]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.059942][  T340]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.059945][  T340]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.059947][  T340]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.059948][  T340]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.059950][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.059952][  T340]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.059955][  T340]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.059960][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.059962][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.059965][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.059967][  T340]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.059968][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.059970][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.059972][  T340]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.059974][  T340]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   36.059976][  T340]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.059978][  T340]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.059981][  T340]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.059986][  T340]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.059992][  T340]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.059997][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.060000][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.060004][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.060006][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.060009][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.060011][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.060015][  T340]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.060017][  T340]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.060021][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.060023][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.060027][  T340]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.060029][  T340]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.060033][  T340]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.060035][  T340]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.060038][  T340]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.060044][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.060045][  T340]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.060050][  T340]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.060053][  T340]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.060056][  T340]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.060060][  T340]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.060066][  T340]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.060070][  T340]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.060076][  T340]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.060078][  T340]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.060080][  T340]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.060081][  T340]  ? move_addr_to_kernel (net/socket.c:258)
[   36.060088][  T340]  ___sys_sendmsg (net/socket.c:2767)
[   36.060091][  T340]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.060106][  T340]  __sys_sendmsg (net/socket.c:2799)
[   36.060109][  T340]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.060114][  T340]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.060117][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.060119][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.060122][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.060124][  T340] RIP: 0033:0x7f4d84d9354e
[   36.060127][  T340] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.060129][  T340] RSP: 002b:00007ffec4f991a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.060131][  T340] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4d84d9354e
[   36.060133][  T340] RDX: 0000000000000000 RSI: 00007ffec4f99250 RDI: 0000000000000005
[   36.060133][  T340] RBP: 00007ffec4f991b0 R08: 0000000000000000 R09: 0000000000000000
[   36.060134][  T340] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e29
[   36.060135][  T340] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec4f99910
| [   38.169344][  T201] softirqs last disabled at (65122): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   38.169346][  T201] Preemption disabled at:
| [   38.169347][  T201] 0x0
| [   38.169356][  T201] Tainted: [W]=WARN
[   38.169357][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.169358][  T201] Workqueue: events_unbound linkwatch_event
[   38.169362][  T201] Call Trace:
[   38.169363][  T201]  <TASK>
[   38.169364][  T201]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.169370][  T201]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.169374][  T201]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.169377][  T201]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.169383][  T201]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.169385][  T201]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.169391][  T201]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.169393][  T201]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.169397][  T201]  put_chars (drivers/char/virtio_console.c:1176)
[   38.169400][  T201]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.169403][  T201]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.169409][  T201]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.169422][  T201]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.169424][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.169428][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.169432][  T201]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.169436][  T201]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.169440][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.169442][  T201]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.169446][  T201]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.169450][  T201]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.169451][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.169457][  T201]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.169459][  T201]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.169461][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.169463][  T201]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.169467][  T201]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.169469][  T201]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.169472][  T201]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.169475][  T201]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.169477][  T201]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.169480][  T201]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.169485][  T201]  _printk (kernel/printk/printk.c:2504)
[   38.169488][  T201]  ? snapshot_read.cold (user.c:?)
[   38.169493][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.169497][  T201]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.169501][  T201]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.169504][  T201]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   38.169506][  T201]  br_port_carrier_check (net/bridge/br_if.c:90)
[   38.169509][  T201]  br_device_event (net/bridge/br.c:101)
[   38.169512][  T201]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.169514][  T201]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   38.169521][  T201]  notifier_call_chain (kernel/notifier.c:85)
[   38.169527][  T201]  netif_state_change (net/core/dev.c:1625)
[   38.169531][  T201]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.169536][  T201]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.169538][  T201]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.169542][  T201]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.169545][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.169550][  T201]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.169552][  T201]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.169556][  T201]  process_one_work (kernel/workqueue.c:3387)
[   38.169562][  T201]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.169565][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.169573][  T201]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.169576][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.169578][  T201]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.169581][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.169583][  T201]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.169585][  T201]  kthread (kernel/kthread.c:436)
[   38.169587][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.169590][  T201]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.169594][  T201]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.169598][  T201]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.169601][  T201]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.169605][  T201]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.169608][  T201]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.501247][  T348] softirqs last disabled at (43066): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.501250][  T348] Preemption disabled at:
| [   39.501250][  T348] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.501258][  T348] Tainted: [W]=WARN
[   39.501259][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.501260][  T348] Call Trace:
[   39.501261][  T348]  <TASK>
[   39.501262][  T348]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.501267][  T348]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.501269][  T348]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.501273][  T348]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.501277][  T348]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.501282][  T348]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   39.501285][  T348]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.501290][  T348]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   39.501292][  T348]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.501295][  T348]  put_chars (drivers/char/virtio_console.c:1176)
[   39.501298][  T348]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.501302][  T348]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.501305][  T348]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.501308][  T348]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.501313][  T348]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.501316][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.501318][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501320][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501324][  T348]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.501327][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.501329][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.501332][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.501336][  T348]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.501339][  T348]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.501342][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.501344][  T348]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.501348][  T348]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.501352][  T348]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.501353][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501358][  T348]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.501361][  T348]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.501362][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.501364][  T348]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.501367][  T348]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.501369][  T348]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.501372][  T348]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.501375][  T348]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.501376][  T348]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.501382][  T348]  _printk (kernel/printk/printk.c:2504)
[   39.501385][  T348]  ? snapshot_read.cold (user.c:?)
[   39.501390][  T348]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.501393][  T348]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.501396][  T348]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.501398][  T348]  ? netdev_notice (net/core/dev.c:13194)
[   39.501402][  T348]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   39.501405][  T348]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   39.501409][  T348]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   39.501415][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.501420][  T348]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   39.501424][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   39.501426][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.501428][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.501435][  T348]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.501439][  T348]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   39.501441][  T348]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   39.501444][  T348]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   39.501448][  T348]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   39.501454][  T348]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.501456][  T348]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   39.501458][  T348]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.501459][  T348]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   39.501466][  T348]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.501468][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.501470][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501472][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501474][  T348]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.501495][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.501497][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.501500][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.501502][  T348]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.501504][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501509][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.501511][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.501513][  T348]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.501515][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.501519][  T348]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.501521][  T348]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.501525][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.501526][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501531][  T348]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.501533][  T348]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.501537][  T348]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.501539][  T348]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.501542][  T348]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.501548][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   39.501550][  T348]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   39.501554][  T348]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.501558][  T348]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.501560][  T348]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.501565][  T348]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.501568][  T348]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.501572][  T348]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.501578][  T348]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.501581][  T348]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.501583][  T348]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.501584][  T348]  ? move_addr_to_kernel (net/socket.c:258)
[   39.501591][  T348]  ___sys_sendmsg (net/socket.c:2767)
[   39.501594][  T348]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.501608][  T348]  __sys_sendmsg (net/socket.c:2799)
[   39.501611][  T348]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.501617][  T348]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.501620][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.501622][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.501625][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.501628][  T348] RIP: 0033:0x7f0e5911b54e
[   39.501631][  T348] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   39.501633][  T348] RSP: 002b:00007ffdac1b1520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.501635][  T348] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f0e5911b54e
[   39.501637][  T348] RDX: 0000000000000000 RSI: 00007ffdac1b15d0 RDI: 0000000000000005
[   39.501637][  T348] RBP: 00007ffdac1b1530 R08: 0000000000000000 R09: 0000000000000000
[   39.501638][  T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e2c
[   39.501639][  T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdac1b1c90
| [   41.184118][  T362] softirqs last disabled at (35748): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   41.184121][  T362] Preemption disabled at:
| [   41.184122][  T362] 0x0
| [   41.184132][  T362] Tainted: [W]=WARN
[   41.184132][  T362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.184134][  T362] Call Trace:
[   41.184135][  T362]  <TASK>
[   41.184137][  T362]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.184142][  T362]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.184147][  T362]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.184150][  T362]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.184155][  T362]  __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))
[   41.184158][  T362]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.184164][  T362]  ? 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)
[   41.184166][  T362]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.184169][  T362]  put_chars (drivers/char/virtio_console.c:1176)
[   41.184172][  T362]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   41.184174][  T362]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.184181][  T362]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.184188][  T362]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.184191][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.184196][  T362]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.184199][  T362]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.184203][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184206][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.184210][  T362]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.184214][  T362]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.184215][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.184221][  T362]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.184223][  T362]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.184225][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184227][  T362]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.184230][  T362]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.184232][  T362]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.184235][  T362]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.184238][  T362]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.184239][  T362]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.184242][  T362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.184244][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.184249][  T362]  _printk (kernel/printk/printk.c:2504)
[   41.184252][  T362]  ? snapshot_read.cold (user.c:?)
[   41.184259][  T362]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.184263][  T362]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   41.184267][  T362]  br_device_event (net/bridge/br.c:111)
[   41.184269][  T362]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   41.184273][  T362]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.184278][  T362]  notifier_call_chain (kernel/notifier.c:85)
[   41.184284][  T362]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   41.184288][  T362]  ? netif_change_name (net/core/dev.c:1517)
[   41.184291][  T362]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.184293][  T362]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.184296][  T362]  ? __kernel_text_address (kernel/extable.c:79)
[   41.184298][  T362]  ? write_profile (profile.c:?)
[   41.184303][  T362]  netif_change_flags (net/core/dev.c:9882)
[   41.184306][  T362]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.184310][  T362]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.184312][  T362]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.184314][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.184316][  T362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.184319][  T362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.184321][  T362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.184323][  T362]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.184326][  T362]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.184328][  T362]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.184330][  T362]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.184332][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.184334][  T362]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   41.184337][  T362]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.184341][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.184343][  T362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.184346][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184348][  T362]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.184350][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184351][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184353][  T362]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.184356][  T362]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   41.184357][  T362]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.184359][  T362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.184363][  T362]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.184368][  T362]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.184373][  T362]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.184379][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.184381][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.184386][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.184388][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.184390][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.184392][  T362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.184396][  T362]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.184399][  T362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.184402][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.184404][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.184409][  T362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.184411][  T362]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.184416][  T362]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.184418][  T362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.184421][  T362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.184427][  T362]  ? 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))
[   41.184429][  T362]  ? 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))
[   41.184433][  T362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.184437][  T362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.184440][  T362]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.184444][  T362]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.184448][  T362]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.184452][  T362]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.184457][  T362]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.184459][  T362]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.184461][  T362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.184463][  T362]  ? move_addr_to_kernel (net/socket.c:258)
[   41.184470][  T362]  ___sys_sendmsg (net/socket.c:2767)
[   41.184472][  T362]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.184487][  T362]  __sys_sendmsg (net/socket.c:2799)
[   41.184490][  T362]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.184496][  T362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.184499][  T362]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.184501][  T362]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.184504][  T362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.184506][  T362] RIP: 0033:0x7f887e71854e
[   41.184508][  T362] 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
[   41.184510][  T362] RSP: 002b:00007ffedfd34af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.184512][  T362] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f887e71854e
[   41.184514][  T362] RDX: 0000000000000000 RSI: 00007ffedfd34ba0 RDI: 0000000000000005
[   41.184515][  T362] RBP: 00007ffedfd34b00 R08: 0000000000000000 R09: 0000000000000000
[   41.184515][  T362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e2e
[   41.184516][  T362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedfd35260
| [   43.296306][   T39] softirqs last disabled at (176984): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   43.296308][   T39] Preemption disabled at:
| [   43.296309][   T39] 0x0
| [   43.296318][   T39] Tainted: [W]=WARN
[   43.296318][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.296320][   T39] Workqueue: events_unbound linkwatch_event
[   43.296324][   T39] Call Trace:
[   43.296325][   T39]  <TASK>
[   43.296327][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.296332][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.296336][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.296340][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.296345][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.296347][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.296353][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.296355][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.296358][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   43.296361][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.296365][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.296370][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.296377][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.296380][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.296384][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.296388][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.296391][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.296395][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.296397][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.296401][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.296405][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.296407][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.296412][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.296417][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.296418][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.296420][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.296424][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.296426][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.296429][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.296432][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.296434][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.296437][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.296441][   T39]  _printk (kernel/printk/printk.c:2504)
[   43.296445][   T39]  ? snapshot_read.cold (user.c:?)
[   43.296450][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.296454][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.296457][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.296460][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   43.296462][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   43.296466][   T39]  br_device_event (net/bridge/br.c:101)
[   43.296469][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   43.296471][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   43.296477][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   43.296483][   T39]  netif_state_change (net/core/dev.c:1625)
[   43.296487][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   43.296491][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   43.296494][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   43.296498][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.296500][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.296505][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   43.296508][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   43.296511][   T39]  process_one_work (kernel/workqueue.c:3387)
[   43.296517][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.296520][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.296527][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.296534][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.296535][   T39]  kthread (kernel/kthread.c:436)
[   43.296538][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.296541][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.296544][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.296548][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.296552][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.296555][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.296558][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.616946][  T370] softirqs last disabled at (48992): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.616949][  T370] Preemption disabled at:
| [   44.616949][  T370] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.616957][  T370] Tainted: [W]=WARN
[   44.616958][  T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.616959][  T370] Call Trace:
[   44.616961][  T370]  <TASK>
[   44.616962][  T370]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.616967][  T370]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.616969][  T370]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.616973][  T370]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.616976][  T370]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.616982][  T370]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   44.616984][  T370]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.616990][  T370]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   44.616992][  T370]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.616995][  T370]  put_chars (drivers/char/virtio_console.c:1176)
[   44.616998][  T370]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.617002][  T370]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.617005][  T370]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.617008][  T370]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.617012][  T370]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.617015][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.617017][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617019][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617023][  T370]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.617026][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   44.617028][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.617030][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.617034][  T370]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.617038][  T370]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.617041][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.617043][  T370]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.617047][  T370]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.617051][  T370]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.617052][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617057][  T370]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.617060][  T370]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.617061][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.617063][  T370]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.617067][  T370]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.617068][  T370]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.617071][  T370]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.617074][  T370]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.617076][  T370]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.617082][  T370]  _printk (kernel/printk/printk.c:2504)
[   44.617085][  T370]  ? snapshot_read.cold (user.c:?)
[   44.617089][  T370]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.617092][  T370]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.617095][  T370]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.617097][  T370]  ? netdev_notice (net/core/dev.c:13194)
[   44.617102][  T370]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   44.617105][  T370]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   44.617108][  T370]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   44.617112][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.617117][  T370]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   44.617120][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   44.617122][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.617125][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.617132][  T370]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.617136][  T370]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   44.617137][  T370]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   44.617140][  T370]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   44.617145][  T370]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   44.617150][  T370]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   44.617152][  T370]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.617154][  T370]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.617156][  T370]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   44.617162][  T370]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   44.617164][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.617167][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617168][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617171][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.617191][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.617193][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.617196][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.617198][  T370]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.617201][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617205][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.617207][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.617210][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.617212][  T370]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.617216][  T370]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.617218][  T370]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.617221][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.617223][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617228][  T370]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.617230][  T370]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.617233][  T370]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.617236][  T370]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.617239][  T370]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.617245][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   44.617247][  T370]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   44.617251][  T370]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.617255][  T370]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.617257][  T370]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.617261][  T370]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.617265][  T370]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.617269][  T370]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.617275][  T370]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.617278][  T370]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.617280][  T370]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.617281][  T370]  ? move_addr_to_kernel (net/socket.c:258)
[   44.617288][  T370]  ___sys_sendmsg (net/socket.c:2767)
[   44.617290][  T370]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.617312][  T370]  __sys_sendmsg (net/socket.c:2799)
[   44.617316][  T370]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.617326][  T370]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.617329][  T370]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.617332][  T370]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.617335][  T370]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.617337][  T370] RIP: 0033:0x7fe78d24454e
[   44.617341][  T370] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   44.617343][  T370] RSP: 002b:00007ffe9ca7cc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.617345][  T370] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe78d24454e
[   44.617347][  T370] RDX: 0000000000000000 RSI: 00007ffe9ca7ccb0 RDI: 0000000000000005
[   44.617347][  T370] RBP: 00007ffe9ca7cc10 R08: 0000000000000000 R09: 0000000000000000
[   44.617348][  T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919e32


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