======================================
| [    8.872855][  T181] softirqs last disabled at (19548): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.872857][  T181] Preemption disabled at:
| [    8.872858][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.872867][  T181] Tainted: [W]=WARN
[    8.872868][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.872869][  T181] Call Trace:
[    8.872871][  T181]  <TASK>
[    8.872872][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.872877][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.872879][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.872884][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.872887][  T181]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[    8.872893][  T181]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[    8.872895][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.872901][  T181]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    8.872903][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.872906][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[    8.872909][  T181]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.872911][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.872914][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.872920][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.872927][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.872930][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.872933][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.872937][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.872940][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.872944][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.872946][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.872950][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.872953][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.872955][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.872960][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.872962][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.872964][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.872966][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.872969][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.872971][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.872974][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.872977][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.872980][  T181]  ? save_trace (kernel/locking/lockdep.c:589)
[    8.872984][  T181]  _printk (kernel/printk/printk.c:2504)
[    8.872987][  T181]  ? snapshot_read.cold (user.c:?)
[    8.872991][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.872993][  T181]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    8.872996][  T181]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    8.872999][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.873001][  T181]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.873003][  T181]  ? netdev_notice (net/core/dev.c:13194)
[    8.873005][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.873009][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.873011][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.873015][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.873017][  T181]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.873020][  T181]  ? register_netdev (net/core/dev.c:11618)
[    8.873022][  T181]  ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2))
[    8.873027][  T181]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.873029][  T181]  ? __kernel_text_address (kernel/extable.c:79)
[    8.873032][  T181]  ? write_profile (profile.c:?)
[    8.873036][  T181]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.873041][  T181]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.873045][  T181]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.873047][  T181]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.873049][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.873052][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.873055][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.873057][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.873059][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.873062][  T181]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.873064][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.873065][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.873067][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.873069][  T181]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[    8.873072][  T181]  ? ___sys_sendmsg (net/socket.c:2757)
[    8.873076][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.873078][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.873081][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.873083][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.873085][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.873086][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.873088][  T181]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.873091][  T181]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[    8.873093][  T181]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.873095][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.873099][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.873101][  T181]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.873107][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.873112][  T181]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.873118][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.873120][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.873125][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.873127][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.873129][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.873132][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.873135][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.873138][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.873141][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.873143][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.873148][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.873150][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.873153][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.873155][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.873159][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.873165][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    8.873166][  T181]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    8.873170][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.873174][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.873176][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.873181][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.873184][  T181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.873188][  T181]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.873194][  T181]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.873196][  T181]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.873198][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.873199][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    8.873206][  T181]  ___sys_sendmsg (net/socket.c:2767)
[    8.873208][  T181]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.873223][  T181]  __sys_sendmsg (net/socket.c:2799)
[    8.873226][  T181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.873232][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.873238][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.873240][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.873243][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.873245][  T181] RIP: 0033:0x7f32788ae54e
[    8.873249][  T181] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    8.873251][  T181] RSP: 002b:00007ffed547df90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.873253][  T181] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f32788ae54e
[    8.873255][  T181] RDX: 0000000000000000 RSI: 00007ffed547e040 RDI: 0000000000000005
[    8.873256][  T181] RBP: 00007ffed547dfa0 R08: 0000000000000000 R09: 0000000000000000
[    8.873257][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914977
[    8.873257][  T181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed547e700
| [   11.031555][  T227] softirqs last disabled at (29818): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   11.031558][  T227] Preemption disabled at:
| [   11.031558][  T227] 0x0
| [   11.031568][  T227] Tainted: [W]=WARN
[   11.031569][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.031571][  T227] Call Trace:
[   11.031573][  T227]  <TASK>
[   11.031574][  T227]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.031580][  T227]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.031584][  T227]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.031588][  T227]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.031593][  T227]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.031596][  T227]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.031602][  T227]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.031604][  T227]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.031607][  T227]  put_chars (drivers/char/virtio_console.c:1176)
[   11.031610][  T227]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   11.031612][  T227]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.031619][  T227]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.031626][  T227]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.031629][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.031634][  T227]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.031637][  T227]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.031641][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031644][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.031648][  T227]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.031652][  T227]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.031653][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.031659][  T227]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.031661][  T227]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.031663][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031665][  T227]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.031668][  T227]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.031670][  T227]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.031673][  T227]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.031677][  T227]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.031678][  T227]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.031681][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.031683][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.031688][  T227]  _printk (kernel/printk/printk.c:2504)
[   11.031691][  T227]  ? snapshot_read.cold (user.c:?)
[   11.031698][  T227]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   11.031702][  T227]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   11.031706][  T227]  br_device_event (net/bridge/br.c:111)
[   11.031708][  T227]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.031712][  T227]  ? packet_sendmsg_spkt (af_packet.c:?)
[   11.031717][  T227]  notifier_call_chain (kernel/notifier.c:85)
[   11.031723][  T227]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   11.031728][  T227]  ? netif_change_name (net/core/dev.c:1517)
[   11.031730][  T227]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   11.031733][  T227]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.031735][  T227]  ? __kernel_text_address (kernel/extable.c:79)
[   11.031738][  T227]  ? write_profile (profile.c:?)
[   11.031743][  T227]  netif_change_flags (net/core/dev.c:9882)
[   11.031746][  T227]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   11.031750][  T227]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.031752][  T227]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.031754][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.031756][  T227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.031759][  T227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.031762][  T227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.031764][  T227]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.031766][  T227]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.031768][  T227]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.031770][  T227]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.031772][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.031774][  T227]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.031777][  T227]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.031782][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.031784][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.031787][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031789][  T227]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.031791][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031792][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031794][  T227]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.031796][  T227]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.031798][  T227]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.031800][  T227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.031804][  T227]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.031809][  T227]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.031814][  T227]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.031820][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.031822][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.031827][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.031829][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.031832][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.031834][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.031838][  T227]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.031840][  T227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.031844][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.031846][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.031851][  T227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.031853][  T227]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.031856][  T227]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.031858][  T227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.031861][  T227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.031868][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.031869][  T227]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.031873][  T227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.031877][  T227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.031880][  T227]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.031884][  T227]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.031888][  T227]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.031892][  T227]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.031898][  T227]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.031900][  T227]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.031902][  T227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.031903][  T227]  ? move_addr_to_kernel (net/socket.c:258)
[   11.031910][  T227]  ___sys_sendmsg (net/socket.c:2767)
[   11.031912][  T227]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.031928][  T227]  __sys_sendmsg (net/socket.c:2799)
[   11.031930][  T227]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.031936][  T227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.031939][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.031941][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.031944][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.031946][  T227] RIP: 0033:0x7f1d98b3154e
[   11.031949][  T227] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.031950][  T227] RSP: 002b:00007ffced965b70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.031953][  T227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1d98b3154e
[   11.031954][  T227] RDX: 0000000000000000 RSI: 00007ffced965c20 RDI: 0000000000000005
[   11.031955][  T227] RBP: 00007ffced965b80 R08: 0000000000000000 R09: 0000000000000000
[   11.031956][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914979
[   11.031957][  T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffced9662e0
| [   13.135062][  T104] softirqs last disabled at (3582): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   13.135065][  T104] Preemption disabled at:
| [   13.135065][  T104] 0x0
| [   13.135075][  T104] Tainted: [W]=WARN
[   13.135076][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.135078][  T104] Workqueue: events_unbound linkwatch_event
[   13.135081][  T104] Call Trace:
[   13.135083][  T104]  <TASK>
[   13.135085][  T104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.135091][  T104]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.135095][  T104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.135099][  T104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.135104][  T104]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.135107][  T104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.135113][  T104]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.135115][  T104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.135119][  T104]  put_chars (drivers/char/virtio_console.c:1176)
[   13.135122][  T104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.135126][  T104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.135132][  T104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.135139][  T104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.135142][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.135145][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.135150][  T104]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.135153][  T104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.135157][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.135159][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.135163][  T104]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.135167][  T104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.135169][  T104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.135174][  T104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.135177][  T104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.135178][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.135180][  T104]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.135184][  T104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.135186][  T104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.135189][  T104]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.135192][  T104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.135195][  T104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.135197][  T104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.135202][  T104]  _printk (kernel/printk/printk.c:2504)
[   13.135205][  T104]  ? snapshot_read.cold (user.c:?)
[   13.135211][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.135215][  T104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.135218][  T104]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.135221][  T104]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   13.135223][  T104]  br_port_carrier_check (net/bridge/br_if.c:90)
[   13.135227][  T104]  br_device_event (net/bridge/br.c:101)
[   13.135230][  T104]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.135232][  T104]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   13.135242][  T104]  notifier_call_chain (kernel/notifier.c:85)
[   13.135248][  T104]  netif_state_change (net/core/dev.c:1625)
[   13.135252][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   13.135257][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.135259][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.135263][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.135265][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.135270][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.135273][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.135277][  T104]  process_one_work (kernel/workqueue.c:3387)
[   13.135283][  T104]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   13.135285][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.135293][  T104]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.135299][  T104]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.135301][  T104]  kthread (kernel/kthread.c:436)
[   13.135304][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.135307][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.135310][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.135315][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   13.135318][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.135322][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.135325][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.463558][  T235] softirqs last disabled at (41456): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.463561][  T235] Preemption disabled at:
| [   14.463562][  T235] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.463571][  T235] Tainted: [W]=WARN
[   14.463572][  T235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.463573][  T235] Call Trace:
[   14.463575][  T235]  <TASK>
[   14.463577][  T235]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.463582][  T235]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.463583][  T235]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.463588][  T235]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.463592][  T235]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.463597][  T235]  __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))
[   14.463600][  T235]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.463606][  T235]  ? 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)
[   14.463608][  T235]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.463612][  T235]  put_chars (drivers/char/virtio_console.c:1176)
[   14.463615][  T235]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.463618][  T235]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.463622][  T235]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.463625][  T235]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.463630][  T235]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.463634][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.463636][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463637][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463642][  T235]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.463644][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.463647][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.463649][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.463653][  T235]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.463657][  T235]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.463661][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.463663][  T235]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.463667][  T235]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.463670][  T235]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.463672][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463677][  T235]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.463679][  T235]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.463681][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.463682][  T235]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.463686][  T235]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.463688][  T235]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.463691][  T235]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.463694][  T235]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.463696][  T235]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.463703][  T235]  _printk (kernel/printk/printk.c:2504)
[   14.463706][  T235]  ? snapshot_read.cold (user.c:?)
[   14.463710][  T235]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.463714][  T235]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.463717][  T235]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.463719][  T235]  ? netdev_notice (net/core/dev.c:13194)
[   14.463724][  T235]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.463726][  T235]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.463731][  T235]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.463734][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.463739][  T235]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.463743][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.463745][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.463748][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.463755][  T235]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.463759][  T235]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.463760][  T235]  ? 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))
[   14.463763][  T235]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.463768][  T235]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.463773][  T235]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.463775][  T235]  ? 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)
[   14.463777][  T235]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.463779][  T235]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.463785][  T235]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.463787][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.463789][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463791][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463793][  T235]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.463814][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.463817][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.463819][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.463822][  T235]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.463824][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463828][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.463831][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.463833][  T235]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.463835][  T235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.463839][  T235]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.463841][  T235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.463845][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.463847][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463851][  T235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.463853][  T235]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.463857][  T235]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.463860][  T235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.463863][  T235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.463869][  T235]  ? 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))
[   14.463871][  T235]  ? 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))
[   14.463875][  T235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.463879][  T235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.463881][  T235]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.463885][  T235]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.463889][  T235]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.463893][  T235]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.463899][  T235]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.463902][  T235]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.463904][  T235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.463905][  T235]  ? move_addr_to_kernel (net/socket.c:258)
[   14.463912][  T235]  ___sys_sendmsg (net/socket.c:2767)
[   14.463915][  T235]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.463929][  T235]  __sys_sendmsg (net/socket.c:2799)
[   14.463932][  T235]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.463938][  T235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.463941][  T235]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.463943][  T235]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.463947][  T235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.463949][  T235] RIP: 0033:0x7fd4ef82a54e
[   14.463953][  T235] 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
[   14.463954][  T235] RSP: 002b:00007fff930a7b20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.463957][  T235] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd4ef82a54e
[   14.463958][  T235] RDX: 0000000000000000 RSI: 00007fff930a7bd0 RDI: 0000000000000005
[   14.463959][  T235] RBP: 00007fff930a7b30 R08: 0000000000000000 R09: 0000000000000000
[   14.463960][  T235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91497c
[   14.463961][  T235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff930a8290
| [   16.210055][  T250] softirqs last disabled at (38532): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   16.210057][  T250] Preemption disabled at:
| [   16.210058][  T250] 0x0
| [   16.210069][  T250] Tainted: [W]=WARN
[   16.210069][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.210071][  T250] Call Trace:
[   16.210073][  T250]  <TASK>
[   16.210074][  T250]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.210080][  T250]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.210084][  T250]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.210088][  T250]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.210093][  T250]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.210096][  T250]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.210102][  T250]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.210104][  T250]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.210108][  T250]  put_chars (drivers/char/virtio_console.c:1176)
[   16.210110][  T250]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   16.210113][  T250]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.210120][  T250]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.210127][  T250]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.210130][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.210135][  T250]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.210138][  T250]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.210142][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210145][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.210149][  T250]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.210153][  T250]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.210154][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.210160][  T250]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.210162][  T250]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.210163][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210165][  T250]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.210169][  T250]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.210171][  T250]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.210174][  T250]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.210177][  T250]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.210179][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.210181][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.210184][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.210188][  T250]  _printk (kernel/printk/printk.c:2504)
[   16.210192][  T250]  ? snapshot_read.cold (user.c:?)
[   16.210199][  T250]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   16.210203][  T250]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   16.210207][  T250]  br_device_event (net/bridge/br.c:111)
[   16.210209][  T250]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.210213][  T250]  ? packet_sendmsg_spkt (af_packet.c:?)
[   16.210218][  T250]  notifier_call_chain (kernel/notifier.c:85)
[   16.210224][  T250]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   16.210229][  T250]  ? netif_change_name (net/core/dev.c:1517)
[   16.210231][  T250]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   16.210234][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.210238][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   16.210241][  T250]  ? write_profile (profile.c:?)
[   16.210245][  T250]  netif_change_flags (net/core/dev.c:9882)
[   16.210249][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.210253][  T250]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.210255][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.210257][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.210259][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.210262][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.210264][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.210266][  T250]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.210269][  T250]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.210271][  T250]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.210272][  T250]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.210274][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.210276][  T250]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   16.210280][  T250]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.210284][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.210286][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.210289][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210291][  T250]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.210293][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210294][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210296][  T250]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.210299][  T250]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.210300][  T250]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.210302][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.210306][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.210311][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.210317][  T250]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.210322][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.210325][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.210329][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.210331][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.210334][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.210336][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.210340][  T250]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.210342][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.210346][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.210348][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.210352][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.210354][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.210361][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.210363][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.210367][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.210373][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.210374][  T250]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.210379][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.210382][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.210385][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.210389][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.210393][  T250]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.210397][  T250]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.210403][  T250]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.210405][  T250]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.210407][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.210409][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   16.210416][  T250]  ___sys_sendmsg (net/socket.c:2767)
[   16.210418][  T250]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.210433][  T250]  __sys_sendmsg (net/socket.c:2799)
[   16.210436][  T250]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.210442][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.210445][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.210447][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.210450][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.210452][  T250] RIP: 0033:0x7f1908b7754e
[   16.210455][  T250] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.210456][  T250] RSP: 002b:00007ffddce81550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.210459][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1908b7754e
[   16.210460][  T250] RDX: 0000000000000000 RSI: 00007ffddce81600 RDI: 0000000000000005
[   16.210461][  T250] RBP: 00007ffddce81560 R08: 0000000000000000 R09: 0000000000000000
[   16.210462][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91497e
[   16.210462][  T250] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddce81cc0
| [   18.321137][  T104] softirqs last disabled at (20698): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   18.321140][  T104] Preemption disabled at:
| [   18.321140][  T104] 0x0
| [   18.321151][  T104] Tainted: [W]=WARN
[   18.321152][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.321154][  T104] Workqueue: events_unbound linkwatch_event
[   18.321158][  T104] Call Trace:
[   18.321159][  T104]  <TASK>
[   18.321161][  T104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.321166][  T104]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.321171][  T104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.321174][  T104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.321180][  T104]  __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))
[   18.321182][  T104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.321189][  T104]  ? 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)
[   18.321191][  T104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.321194][  T104]  put_chars (drivers/char/virtio_console.c:1176)
[   18.321197][  T104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.321201][  T104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.321207][  T104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.321214][  T104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.321217][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.321220][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.321225][  T104]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.321228][  T104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.321232][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.321236][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.321240][  T104]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.321244][  T104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.321245][  T104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.321251][  T104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.321253][  T104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.321255][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.321257][  T104]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.321261][  T104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.321263][  T104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.321266][  T104]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.321269][  T104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.321271][  T104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.321274][  T104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.321279][  T104]  _printk (kernel/printk/printk.c:2504)
[   18.321282][  T104]  ? snapshot_read.cold (user.c:?)
[   18.321287][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.321292][  T104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.321295][  T104]  br_init_port (net/bridge/br_stp_if.c:39)
[   18.321298][  T104]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   18.321300][  T104]  br_port_carrier_check (net/bridge/br_if.c:90)
[   18.321304][  T104]  br_device_event (net/bridge/br.c:101)
[   18.321307][  T104]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.321309][  T104]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.321316][  T104]  notifier_call_chain (kernel/notifier.c:85)
[   18.321322][  T104]  netif_state_change (net/core/dev.c:1625)
[   18.321326][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.321330][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.321333][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.321336][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.321339][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.321344][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.321346][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   18.321350][  T104]  process_one_work (kernel/workqueue.c:3387)
[   18.321356][  T104]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.321359][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.321366][  T104]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.321376][  T104]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.321378][  T104]  kthread (kernel/kthread.c:436)
[   18.321380][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.321384][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.321387][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.321392][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.321395][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.321399][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.321402][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.553074][  T258] softirqs last disabled at (47276): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.553077][  T258] Preemption disabled at:
| [   19.553077][  T258] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.553086][  T258] Tainted: [W]=WARN
[   19.553087][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.553089][  T258] Call Trace:
[   19.553090][  T258]  <TASK>
[   19.553092][  T258]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.553097][  T258]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.553099][  T258]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.553103][  T258]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.553107][  T258]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.553112][  T258]  __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))
[   19.553115][  T258]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.553120][  T258]  ? 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)
[   19.553122][  T258]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.553126][  T258]  put_chars (drivers/char/virtio_console.c:1176)
[   19.553129][  T258]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.553133][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.553136][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.553139][  T258]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.553143][  T258]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.553147][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.553149][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553151][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553155][  T258]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.553158][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.553160][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.553162][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.553166][  T258]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.553170][  T258]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.553174][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.553176][  T258]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.553180][  T258]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.553183][  T258]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.553185][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553190][  T258]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.553192][  T258]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.553194][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.553195][  T258]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.553199][  T258]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.553201][  T258]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.553204][  T258]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.553207][  T258]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.553209][  T258]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.553215][  T258]  _printk (kernel/printk/printk.c:2504)
[   19.553219][  T258]  ? snapshot_read.cold (user.c:?)
[   19.553223][  T258]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.553226][  T258]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.553229][  T258]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.553232][  T258]  ? netdev_notice (net/core/dev.c:13194)
[   19.553239][  T258]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.553242][  T258]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.553246][  T258]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   19.553249][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.553255][  T258]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   19.553258][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   19.553260][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.553263][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.553270][  T258]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.553274][  T258]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   19.553275][  T258]  ? 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))
[   19.553278][  T258]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   19.553283][  T258]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   19.553288][  T258]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.553290][  T258]  ? 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)
[   19.553292][  T258]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.553294][  T258]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   19.553300][  T258]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.553302][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.553304][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553306][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553308][  T258]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.553329][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.553331][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.553334][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.553336][  T258]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.553339][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553343][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.553345][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.553348][  T258]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.553350][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.553354][  T258]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.553356][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.553360][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.553362][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553366][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.553368][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.553372][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.553375][  T258]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.553383][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.553389][  T258]  ? 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))
[   19.553390][  T258]  ? 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))
[   19.553395][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.553398][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.553401][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.553405][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.553409][  T258]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.553413][  T258]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.553418][  T258]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.553421][  T258]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.553424][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.553425][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   19.553432][  T258]  ___sys_sendmsg (net/socket.c:2767)
[   19.553434][  T258]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.553449][  T258]  __sys_sendmsg (net/socket.c:2799)
[   19.553452][  T258]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.553458][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.553461][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.553463][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.553466][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.553468][  T258] RIP: 0033:0x7f751696f54e
[   19.553472][  T258] 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
[   19.553474][  T258] RSP: 002b:00007fff10b91380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.553477][  T258] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f751696f54e
[   19.553478][  T258] RDX: 0000000000000000 RSI: 00007fff10b91430 RDI: 0000000000000005
[   19.553479][  T258] RBP: 00007fff10b91390 R08: 0000000000000000 R09: 0000000000000000
[   19.553480][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914982
[   19.553481][  T258] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff10b91af0
| [   21.258654][  T272] softirqs last disabled at (31580): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   21.258656][  T272] Preemption disabled at:
| [   21.258657][  T272] 0x0
| [   21.258667][  T272] Tainted: [W]=WARN
[   21.258668][  T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.258669][  T272] Call Trace:
[   21.258671][  T272]  <TASK>
[   21.258673][  T272]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.258678][  T272]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.258683][  T272]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.258686][  T272]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.258692][  T272]  __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))
[   21.258694][  T272]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.258700][  T272]  ? 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)
[   21.258702][  T272]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.258706][  T272]  put_chars (drivers/char/virtio_console.c:1176)
[   21.258708][  T272]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   21.258711][  T272]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.258718][  T272]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.258725][  T272]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.258728][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.258733][  T272]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.258736][  T272]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.258740][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.258743][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.258747][  T272]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.258751][  T272]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.258752][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.258758][  T272]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.258760][  T272]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.258762][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.258763][  T272]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.258767][  T272]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.258769][  T272]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.258772][  T272]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.258775][  T272]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.258777][  T272]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.258779][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.258782][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.258786][  T272]  _printk (kernel/printk/printk.c:2504)
[   21.258789][  T272]  ? snapshot_read.cold (user.c:?)
[   21.258796][  T272]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   21.258800][  T272]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   21.258804][  T272]  br_device_event (net/bridge/br.c:111)
[   21.258807][  T272]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.258810][  T272]  ? packet_sendmsg_spkt (af_packet.c:?)
[   21.258816][  T272]  notifier_call_chain (kernel/notifier.c:85)
[   21.258822][  T272]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   21.258826][  T272]  ? netif_change_name (net/core/dev.c:1517)
[   21.258829][  T272]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.258831][  T272]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.258834][  T272]  ? __kernel_text_address (kernel/extable.c:79)
[   21.258837][  T272]  ? write_profile (profile.c:?)
[   21.258842][  T272]  netif_change_flags (net/core/dev.c:9882)
[   21.258845][  T272]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.258849][  T272]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.258851][  T272]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.258853][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.258855][  T272]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.258858][  T272]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.258860][  T272]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.258862][  T272]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.258865][  T272]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.258867][  T272]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.258868][  T272]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.258871][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.258873][  T272]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.258876][  T272]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.258880][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.258883][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.258886][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.258888][  T272]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.258889][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.258891][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.258892][  T272]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.258895][  T272]  ? __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)
[   21.258897][  T272]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.258899][  T272]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.258902][  T272]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.258907][  T272]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.258913][  T272]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.258919][  T272]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.258921][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.258926][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.258928][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.258930][  T272]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.258933][  T272]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.258937][  T272]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.258939][  T272]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.258943][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.258944][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.258949][  T272]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.258951][  T272]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.258955][  T272]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.258957][  T272]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.258960][  T272]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.258966][  T272]  ? 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))
[   21.258968][  T272]  ? 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))
[   21.258972][  T272]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.258976][  T272]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.258978][  T272]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.258983][  T272]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.258987][  T272]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.258991][  T272]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.258996][  T272]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.258998][  T272]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.259000][  T272]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.259002][  T272]  ? move_addr_to_kernel (net/socket.c:258)
[   21.259009][  T272]  ___sys_sendmsg (net/socket.c:2767)
[   21.259011][  T272]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.259027][  T272]  __sys_sendmsg (net/socket.c:2799)
[   21.259029][  T272]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.259035][  T272]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.259038][  T272]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.259040][  T272]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.259043][  T272]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.259046][  T272] RIP: 0033:0x7fedb850d54e
[   21.259048][  T272] 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
[   21.259050][  T272] RSP: 002b:00007ffe05438990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.259052][  T272] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fedb850d54e
[   21.259053][  T272] RDX: 0000000000000000 RSI: 00007ffe05438a40 RDI: 0000000000000005
[   21.259054][  T272] RBP: 00007ffe054389a0 R08: 0000000000000000 R09: 0000000000000000
[   21.259055][  T272] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914983
[   21.259056][  T272] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe05439100
| [   23.366686][  T104] softirqs last disabled at (42340): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   23.366689][  T104] Preemption disabled at:
| [   23.366689][  T104] 0x0
| [   23.366699][  T104] Tainted: [W]=WARN
[   23.366700][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.366702][  T104] Workqueue: events_unbound linkwatch_event
[   23.366705][  T104] Call Trace:
[   23.366707][  T104]  <TASK>
[   23.366709][  T104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.366715][  T104]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.366719][  T104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.366722][  T104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.366728][  T104]  __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))
[   23.366730][  T104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.366736][  T104]  ? 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)
[   23.366738][  T104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.366742][  T104]  put_chars (drivers/char/virtio_console.c:1176)
[   23.366745][  T104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.366748][  T104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.366754][  T104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.366761][  T104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.366764][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.366767][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.366772][  T104]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.366775][  T104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.366779][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.366781][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.366785][  T104]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.366789][  T104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.366790][  T104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.366796][  T104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.366798][  T104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.366800][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.366802][  T104]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.366806][  T104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.366808][  T104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.366811][  T104]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.366814][  T104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.366816][  T104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.366818][  T104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.366823][  T104]  _printk (kernel/printk/printk.c:2504)
[   23.366826][  T104]  ? snapshot_read.cold (user.c:?)
[   23.366832][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.366836][  T104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.366839][  T104]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.366842][  T104]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   23.366844][  T104]  br_port_carrier_check (net/bridge/br_if.c:90)
[   23.366848][  T104]  br_device_event (net/bridge/br.c:101)
[   23.366851][  T104]  ? packet_sendmsg_spkt (af_packet.c:?)
[   23.366853][  T104]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.366859][  T104]  notifier_call_chain (kernel/notifier.c:85)
[   23.366865][  T104]  netif_state_change (net/core/dev.c:1625)
[   23.366869][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   23.366874][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.366876][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.366880][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.366883][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.366888][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.366890][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.366894][  T104]  process_one_work (kernel/workqueue.c:3387)
[   23.366900][  T104]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   23.366902][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.366910][  T104]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.366917][  T104]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   23.366919][  T104]  kthread (kernel/kthread.c:436)
[   23.366921][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.366925][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.366928][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.366932][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   23.366936][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.366939][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.366942][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.704112][  T280] softirqs last disabled at (44732): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.704114][  T280] Preemption disabled at:
| [   24.704115][  T280] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.704123][  T280] Tainted: [W]=WARN
[   24.704124][  T280] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.704125][  T280] Call Trace:
[   24.704127][  T280]  <TASK>
[   24.704129][  T280]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.704133][  T280]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.704135][  T280]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.704139][  T280]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.704142][  T280]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.704147][  T280]  __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))
[   24.704150][  T280]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.704156][  T280]  ? 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)
[   24.704158][  T280]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.704161][  T280]  put_chars (drivers/char/virtio_console.c:1176)
[   24.704164][  T280]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.704168][  T280]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.704171][  T280]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.704174][  T280]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.704178][  T280]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.704182][  T280]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.704184][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704186][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704190][  T280]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.704192][  T280]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.704195][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.704197][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.704201][  T280]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.704204][  T280]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.704208][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.704210][  T280]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.704214][  T280]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.704217][  T280]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.704219][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704224][  T280]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.704226][  T280]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.704228][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.704230][  T280]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.704233][  T280]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.704237][  T280]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.704240][  T280]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.704243][  T280]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.704244][  T280]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.704251][  T280]  _printk (kernel/printk/printk.c:2504)
[   24.704254][  T280]  ? snapshot_read.cold (user.c:?)
[   24.704258][  T280]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.704261][  T280]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.704265][  T280]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.704267][  T280]  ? netdev_notice (net/core/dev.c:13194)
[   24.704271][  T280]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   24.704274][  T280]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   24.704278][  T280]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   24.704281][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.704286][  T280]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   24.704290][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   24.704292][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.704295][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.704302][  T280]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.704306][  T280]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   24.704307][  T280]  ? 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))
[   24.704310][  T280]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   24.704315][  T280]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   24.704320][  T280]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   24.704322][  T280]  ? 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)
[   24.704324][  T280]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.704325][  T280]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   24.704332][  T280]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   24.704334][  T280]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.704336][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704338][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704340][  T280]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.704361][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.704363][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.704366][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.704368][  T280]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.704370][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704375][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.704377][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.704379][  T280]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.704381][  T280]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.704385][  T280]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.704388][  T280]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.704391][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.704393][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704397][  T280]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.704400][  T280]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.704403][  T280]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.704406][  T280]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.704412][  T280]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.704418][  T280]  ? 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))
[   24.704420][  T280]  ? 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))
[   24.704424][  T280]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.704428][  T280]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.704431][  T280]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.704435][  T280]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.704439][  T280]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.704442][  T280]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.704448][  T280]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.704451][  T280]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.704453][  T280]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.704454][  T280]  ? move_addr_to_kernel (net/socket.c:258)
[   24.704461][  T280]  ___sys_sendmsg (net/socket.c:2767)
[   24.704464][  T280]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.704479][  T280]  __sys_sendmsg (net/socket.c:2799)
[   24.704482][  T280]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.704487][  T280]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.704490][  T280]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.704493][  T280]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.704496][  T280]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.704498][  T280] RIP: 0033:0x7eff2c8c654e
[   24.704501][  T280] 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
[   24.704503][  T280] RSP: 002b:00007fff9f225dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.704506][  T280] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007eff2c8c654e
[   24.704508][  T280] RDX: 0000000000000000 RSI: 00007fff9f225e70 RDI: 0000000000000005
[   24.704508][  T280] RBP: 00007fff9f225dd0 R08: 0000000000000000 R09: 0000000000000000
[   24.704509][  T280] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914987
[   24.704510][  T280] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9f226530
| [   26.160405][   T70] softirqs last disabled at (18414): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   26.160408][   T70] Preemption disabled at:
| [   26.160408][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   26.160422][   T70] Tainted: [W]=WARN
[   26.160423][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.160425][   T70] Workqueue: bond0 bond_mii_monitor
[   26.160428][   T70] Call Trace:
[   26.160429][   T70]  <TASK>
[   26.160431][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.160437][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   26.160438][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.160443][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.160447][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   26.160452][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.160454][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.160460][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.160462][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.160466][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   26.160469][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.160471][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   26.160474][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.160478][   T70]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   26.160482][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.160486][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.160488][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.160493][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.160496][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.160499][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.160503][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.160506][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.160510][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.160512][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.160516][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.160520][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.160521][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.160526][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.160529][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.160530][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.160532][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.160536][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.160538][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.160541][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.160544][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.160545][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.160549][   T70]  ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2))
[   26.160554][   T70]  _printk (kernel/printk/printk.c:2504)
[   26.160557][   T70]  ? snapshot_read.cold (user.c:?)
[   26.160561][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   26.160564][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   26.160568][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   26.160570][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   26.160573][   T70]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   26.160581][   T70]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   26.160587][   T70]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   26.160588][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.160590][   T70]  ? 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))
[   26.160593][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.160595][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.160600][   T70]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   26.160602][   T70]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   26.160604][   T70]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   26.160606][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.160607][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.160609][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.160612][   T70]  ? process_one_work (kernel/workqueue.c:3386)
[   26.160614][   T70]  process_one_work (kernel/workqueue.c:3387)
[   26.160620][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   26.160622][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.160630][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   26.160633][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.160635][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   26.160638][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.160640][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   26.160642][   T70]  kthread (kernel/kthread.c:436)
[   26.160644][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.160647][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.160650][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.160654][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   26.160658][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.160661][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   26.160664][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.450916][  T180] softirqs last disabled at (71636): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   28.450919][  T180] Preemption disabled at:
| [   28.450920][  T180] 0x0
| [   28.450931][  T180] Tainted: [W]=WARN
[   28.450932][  T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.450934][  T180] Workqueue: events_unbound linkwatch_event
[   28.450937][  T180] Call Trace:
[   28.450939][  T180]  <TASK>
[   28.450941][  T180]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.450946][  T180]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.450951][  T180]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.450955][  T180]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.450960][  T180]  __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))
[   28.450963][  T180]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.450969][  T180]  ? 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)
[   28.450971][  T180]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.450975][  T180]  put_chars (drivers/char/virtio_console.c:1176)
[   28.450978][  T180]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.450982][  T180]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.450987][  T180]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.450995][  T180]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.450998][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.451001][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.451006][  T180]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.451009][  T180]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.451013][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.451015][  T180]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.451019][  T180]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.451023][  T180]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.451024][  T180]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.451030][  T180]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.451033][  T180]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.451034][  T180]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.451036][  T180]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.451040][  T180]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.451042][  T180]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.451045][  T180]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.451048][  T180]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.451050][  T180]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.451053][  T180]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.451058][  T180]  _printk (kernel/printk/printk.c:2504)
[   28.451062][  T180]  ? snapshot_read.cold (user.c:?)
[   28.451067][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.451071][  T180]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.451075][  T180]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.451078][  T180]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   28.451080][  T180]  br_port_carrier_check (net/bridge/br_if.c:90)
[   28.451084][  T180]  br_device_event (net/bridge/br.c:101)
[   28.451087][  T180]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.451089][  T180]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.451096][  T180]  notifier_call_chain (kernel/notifier.c:85)
[   28.451102][  T180]  netif_state_change (net/core/dev.c:1625)
[   28.451106][  T180]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   28.451110][  T180]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   28.451113][  T180]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   28.451116][  T180]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.451119][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.451124][  T180]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   28.451127][  T180]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   28.451130][  T180]  process_one_work (kernel/workqueue.c:3387)
[   28.451136][  T180]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.451139][  T180]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.451147][  T180]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.451150][  T180]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.451152][  T180]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   28.451155][  T180]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.451157][  T180]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.451159][  T180]  kthread (kernel/kthread.c:436)
[   28.451161][  T180]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.451164][  T180]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.451167][  T180]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.451172][  T180]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.451176][  T180]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.451179][  T180]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.451182][  T180]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.665322][  T302] softirqs last disabled at (45505): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   29.665325][  T302] Preemption disabled at:
| [   29.665326][  T302] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.665335][  T302] Tainted: [W]=WARN
[   29.665335][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.665337][  T302] Call Trace:
[   29.665339][  T302]  <TASK>
[   29.665341][  T302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.665345][  T302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.665347][  T302]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.665352][  T302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.665355][  T302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.665360][  T302]  __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))
[   29.665363][  T302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.665369][  T302]  ? 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)
[   29.665371][  T302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.665374][  T302]  put_chars (drivers/char/virtio_console.c:1176)
[   29.665378][  T302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.665381][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.665385][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.665388][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.665392][  T302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.665396][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.665399][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665400][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665404][  T302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.665407][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.665410][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.665412][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.665416][  T302]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.665420][  T302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.665423][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.665425][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.665429][  T302]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.665433][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.665439][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665444][  T302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.665447][  T302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.665448][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.665450][  T302]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.665454][  T302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.665456][  T302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.665459][  T302]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.665462][  T302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.665463][  T302]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.665470][  T302]  _printk (kernel/printk/printk.c:2504)
[   29.665474][  T302]  ? snapshot_read.cold (user.c:?)
[   29.665478][  T302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.665481][  T302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.665485][  T302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.665487][  T302]  ? netdev_notice (net/core/dev.c:13194)
[   29.665491][  T302]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   29.665494][  T302]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   29.665498][  T302]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   29.665502][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.665507][  T302]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   29.665510][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   29.665512][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.665515][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.665522][  T302]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.665526][  T302]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   29.665527][  T302]  ? 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))
[   29.665531][  T302]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   29.665535][  T302]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   29.665541][  T302]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.665543][  T302]  ? 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)
[   29.665545][  T302]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.665546][  T302]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   29.665553][  T302]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   29.665555][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.665557][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665559][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665561][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.665582][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.665584][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.665587][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.665589][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.665592][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665596][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.665598][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.665600][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.665603][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.665606][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.665609][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.665613][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.665615][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665619][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.665621][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.665625][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.665628][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.665631][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.665637][  T302]  ? 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))
[   29.665639][  T302]  ? 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))
[   29.665643][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.665646][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.665649][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.665653][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.665657][  T302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.665661][  T302]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.665667][  T302]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.665670][  T302]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.665672][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.665673][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   29.665680][  T302]  ___sys_sendmsg (net/socket.c:2767)
[   29.665682][  T302]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.665697][  T302]  __sys_sendmsg (net/socket.c:2799)
[   29.665700][  T302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.665705][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.665709][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.665711][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.665714][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.665716][  T302] RIP: 0033:0x7fc1c7acc54e
[   29.665720][  T302] 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
[   29.665722][  T302] RSP: 002b:00007ffe91016ad0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.665725][  T302] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc1c7acc54e
[   29.665726][  T302] RDX: 0000000000000000 RSI: 00007ffe91016b80 RDI: 0000000000000005
[   29.665727][  T302] RBP: 00007ffe91016ae0 R08: 0000000000000000 R09: 0000000000000000
[   29.665728][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91498c
[   29.665729][  T302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe91017240
| [   31.450155][  T317] softirqs last disabled at (42512): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   31.450158][  T317] Preemption disabled at:
| [   31.450159][  T317] 0x0
| [   31.450172][  T317] Tainted: [W]=WARN
[   31.450173][  T317] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.450175][  T317] Call Trace:
[   31.450177][  T317]  <TASK>
[   31.450179][  T317]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.450187][  T317]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.450193][  T317]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.450198][  T317]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.450206][  T317]  __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))
[   31.450210][  T317]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.450220][  T317]  ? 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)
[   31.450223][  T317]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.450228][  T317]  put_chars (drivers/char/virtio_console.c:1176)
[   31.450232][  T317]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   31.450240][  T317]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.450252][  T317]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.450264][  T317]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.450269][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.450277][  T317]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.450283][  T317]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.450290][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450295][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.450302][  T317]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.450309][  T317]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.450311][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.450321][  T317]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.450325][  T317]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.450327][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450330][  T317]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.450336][  T317]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.450339][  T317]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.450344][  T317]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.450350][  T317]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.450352][  T317]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.450356][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.450360][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.450368][  T317]  _printk (kernel/printk/printk.c:2504)
[   31.450373][  T317]  ? snapshot_read.cold (user.c:?)
[   31.450386][  T317]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   31.450392][  T317]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   31.450398][  T317]  br_device_event (net/bridge/br.c:111)
[   31.450402][  T317]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   31.450407][  T317]  ? packet_sendmsg_spkt (af_packet.c:?)
[   31.450417][  T317]  notifier_call_chain (kernel/notifier.c:85)
[   31.450427][  T317]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.450434][  T317]  ? netif_change_name (net/core/dev.c:1517)
[   31.450438][  T317]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   31.450442][  T317]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.450450][  T317]  ? __kernel_text_address (kernel/extable.c:79)
[   31.450454][  T317]  ? write_profile (profile.c:?)
[   31.450461][  T317]  netif_change_flags (net/core/dev.c:9882)
[   31.450468][  T317]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.450474][  T317]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.450477][  T317]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.450480][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.450483][  T317]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.450488][  T317]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.450491][  T317]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.450494][  T317]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.450499][  T317]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.450502][  T317]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.450504][  T317]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.450508][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.450511][  T317]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   31.450515][  T317]  ? ___sys_sendmsg (net/socket.c:2757)
[   31.450522][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.450526][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.450531][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450534][  T317]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.450537][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450539][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450542][  T317]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.450546][  T317]  ? __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)
[   31.450548][  T317]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.450552][  T317]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.450558][  T317]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.450568][  T317]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.450578][  T317]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.450588][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.450592][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.450600][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.450603][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.450606][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.450611][  T317]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.450617][  T317]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.450622][  T317]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.450628][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.450630][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.450638][  T317]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.450642][  T317]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.450648][  T317]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.450651][  T317]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.450656][  T317]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.450667][  T317]  ? 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))
[   31.450670][  T317]  ? 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))
[   31.450678][  T317]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.450684][  T317]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.450688][  T317]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.450696][  T317]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.450702][  T317]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.450709][  T317]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.450718][  T317]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.450721][  T317]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.450725][  T317]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.450727][  T317]  ? move_addr_to_kernel (net/socket.c:258)
[   31.450740][  T317]  ___sys_sendmsg (net/socket.c:2767)
[   31.450745][  T317]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.450774][  T317]  __sys_sendmsg (net/socket.c:2799)
[   31.450778][  T317]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.450789][  T317]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.450795][  T317]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.450798][  T317]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.450803][  T317]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.450806][  T317] RIP: 0033:0x7fe0c933d54e
[   31.450809][  T317] 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
[   31.450812][  T317] RSP: 002b:00007fff1a45cf10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.450815][  T317] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe0c933d54e
[   31.450817][  T317] RDX: 0000000000000000 RSI: 00007fff1a45cfc0 RDI: 0000000000000005
[   31.450819][  T317] RBP: 00007fff1a45cf20 R08: 0000000000000000 R09: 0000000000000000
[   31.450820][  T317] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91498d
[   31.450822][  T317] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1a45d680
| [   33.558858][  T104] softirqs last disabled at (95402): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   33.558860][  T104] Preemption disabled at:
| [   33.558861][  T104] 0x0
| [   33.558872][  T104] Tainted: [W]=WARN
[   33.558873][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.558875][  T104] Workqueue: events_unbound linkwatch_event
[   33.558878][  T104] Call Trace:
[   33.558880][  T104]  <TASK>
[   33.558882][  T104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.558887][  T104]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.558892][  T104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.558896][  T104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.558901][  T104]  __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))
[   33.558903][  T104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.558910][  T104]  ? 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)
[   33.558912][  T104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.558916][  T104]  put_chars (drivers/char/virtio_console.c:1176)
[   33.558919][  T104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.558922][  T104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.558928][  T104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.558935][  T104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.558938][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.558942][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.558946][  T104]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.558950][  T104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.558954][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.558956][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.558960][  T104]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.558964][  T104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.558965][  T104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.558971][  T104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.558973][  T104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.558975][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.558977][  T104]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.558981][  T104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.558983][  T104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.558986][  T104]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.558989][  T104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.558992][  T104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.558994][  T104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.558999][  T104]  _printk (kernel/printk/printk.c:2504)
[   33.559003][  T104]  ? snapshot_read.cold (user.c:?)
[   33.559008][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.559012][  T104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   33.559016][  T104]  br_init_port (net/bridge/br_stp_if.c:39)
[   33.559019][  T104]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   33.559021][  T104]  br_port_carrier_check (net/bridge/br_if.c:90)
[   33.559025][  T104]  br_device_event (net/bridge/br.c:101)
[   33.559028][  T104]  ? packet_sendmsg_spkt (af_packet.c:?)
[   33.559030][  T104]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.559036][  T104]  notifier_call_chain (kernel/notifier.c:85)
[   33.559043][  T104]  netif_state_change (net/core/dev.c:1625)
[   33.559047][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.559051][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   33.559054][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.559057][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.559060][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.559065][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.559068][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   33.559071][  T104]  process_one_work (kernel/workqueue.c:3387)
[   33.559077][  T104]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.559080][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.559088][  T104]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.559094][  T104]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.559096][  T104]  kthread (kernel/kthread.c:436)
[   33.559098][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.559101][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.559105][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.559109][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.559112][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.559116][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.559119][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.782520][  T325] softirqs last disabled at (36530): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.782522][  T325] Preemption disabled at:
| [   34.782523][  T325] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.782532][  T325] Tainted: [W]=WARN
[   34.782533][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.782535][  T325] Call Trace:
[   34.782536][  T325]  <TASK>
[   34.782538][  T325]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.782542][  T325]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.782544][  T325]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.782549][  T325]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.782552][  T325]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.782557][  T325]  __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))
[   34.782560][  T325]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.782566][  T325]  ? 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)
[   34.782568][  T325]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.782572][  T325]  put_chars (drivers/char/virtio_console.c:1176)
[   34.782575][  T325]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.782578][  T325]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.782582][  T325]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.782585][  T325]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.782589][  T325]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.782593][  T325]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.782595][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782597][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782601][  T325]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.782603][  T325]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   34.782606][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.782608][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.782612][  T325]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.782615][  T325]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.782619][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.782621][  T325]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.782625][  T325]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.782629][  T325]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.782630][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782635][  T325]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.782637][  T325]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.782639][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.782641][  T325]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.782644][  T325]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.782647][  T325]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.782649][  T325]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.782653][  T325]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.782654][  T325]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.782661][  T325]  _printk (kernel/printk/printk.c:2504)
[   34.782664][  T325]  ? snapshot_read.cold (user.c:?)
[   34.782668][  T325]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.782671][  T325]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.782675][  T325]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.782677][  T325]  ? netdev_notice (net/core/dev.c:13194)
[   34.782681][  T325]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   34.782684][  T325]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   34.782688][  T325]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   34.782692][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.782697][  T325]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   34.782700][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   34.782702][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.782705][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.782712][  T325]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.782716][  T325]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   34.782717][  T325]  ? 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))
[   34.782720][  T325]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   34.782725][  T325]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   34.782730][  T325]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   34.782732][  T325]  ? 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)
[   34.782734][  T325]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.782736][  T325]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   34.782742][  T325]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   34.782744][  T325]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.782746][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782748][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782750][  T325]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.782771][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.782773][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.782776][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.782778][  T325]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.782780][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782785][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.782787][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.782789][  T325]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.782792][  T325]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.782795][  T325]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.782798][  T325]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.782801][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.782803][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782808][  T325]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.782810][  T325]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.782813][  T325]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.782816][  T325]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.782819][  T325]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.782825][  T325]  ? 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))
[   34.782827][  T325]  ? 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))
[   34.782831][  T325]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.782835][  T325]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.782837][  T325]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.782842][  T325]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.782845][  T325]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.782849][  T325]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.782855][  T325]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.782858][  T325]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.782860][  T325]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.782861][  T325]  ? move_addr_to_kernel (net/socket.c:258)
[   34.782868][  T325]  ___sys_sendmsg (net/socket.c:2767)
[   34.782870][  T325]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.782885][  T325]  __sys_sendmsg (net/socket.c:2799)
[   34.782888][  T325]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.782893][  T325]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.782897][  T325]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.782899][  T325]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.782902][  T325]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.782904][  T325] RIP: 0033:0x7f7c2b63e54e
[   34.782908][  T325] 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
[   34.782910][  T325] RSP: 002b:00007ffcb9da8a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.782912][  T325] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7c2b63e54e
[   34.782913][  T325] RDX: 0000000000000000 RSI: 00007ffcb9da8b00 RDI: 0000000000000005
[   34.782914][  T325] RBP: 00007ffcb9da8a60 R08: 0000000000000000 R09: 0000000000000000
[   34.782915][  T325] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914991
[   34.782916][  T325] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb9da91c0
| [   36.494547][  T339] softirqs last disabled at (39656): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   36.494549][  T339] Preemption disabled at:
| [   36.494550][  T339] 0x0
| [   36.494559][  T339] Tainted: [W]=WARN
[   36.494560][  T339] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.494562][  T339] Call Trace:
[   36.494563][  T339]  <TASK>
[   36.494565][  T339]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.494571][  T339]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.494575][  T339]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.494579][  T339]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.494584][  T339]  __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))
[   36.494587][  T339]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.494593][  T339]  ? 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)
[   36.494595][  T339]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.494598][  T339]  put_chars (drivers/char/virtio_console.c:1176)
[   36.494601][  T339]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   36.494603][  T339]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.494610][  T339]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.494617][  T339]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.494620][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.494625][  T339]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.494628][  T339]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.494632][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494635][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.494639][  T339]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.494643][  T339]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.494644][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.494650][  T339]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.494652][  T339]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.494653][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494655][  T339]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.494659][  T339]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.494661][  T339]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.494664][  T339]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.494667][  T339]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.494668][  T339]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.494671][  T339]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.494673][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.494678][  T339]  _printk (kernel/printk/printk.c:2504)
[   36.494681][  T339]  ? snapshot_read.cold (user.c:?)
[   36.494688][  T339]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.494692][  T339]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   36.494696][  T339]  br_device_event (net/bridge/br.c:111)
[   36.494698][  T339]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.494702][  T339]  ? packet_sendmsg_spkt (af_packet.c:?)
[   36.494707][  T339]  notifier_call_chain (kernel/notifier.c:85)
[   36.494713][  T339]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.494718][  T339]  ? netif_change_name (net/core/dev.c:1517)
[   36.494720][  T339]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.494723][  T339]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.494725][  T339]  ? __kernel_text_address (kernel/extable.c:79)
[   36.494728][  T339]  ? write_profile (profile.c:?)
[   36.494733][  T339]  netif_change_flags (net/core/dev.c:9882)
[   36.494736][  T339]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.494740][  T339]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.494742][  T339]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.494744][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.494746][  T339]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.494749][  T339]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.494751][  T339]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.494753][  T339]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.494756][  T339]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.494758][  T339]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.494759][  T339]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.494762][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.494764][  T339]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   36.494767][  T339]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.494771][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.494773][  T339]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.494776][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494778][  T339]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.494780][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494781][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494783][  T339]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.494786][  T339]  ? __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)
[   36.494787][  T339]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.494790][  T339]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.494793][  T339]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.494798][  T339]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.494804][  T339]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.494810][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.494812][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.494817][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.494819][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.494821][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.494823][  T339]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.494827][  T339]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.494830][  T339]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.494833][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.494835][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.494840][  T339]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.494842][  T339]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.494845][  T339]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.494847][  T339]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.494850][  T339]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.494856][  T339]  ? 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))
[   36.494858][  T339]  ? 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))
[   36.494862][  T339]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.494866][  T339]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.494868][  T339]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.494873][  T339]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.494877][  T339]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.494880][  T339]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.494886][  T339]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.494888][  T339]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.494890][  T339]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.494892][  T339]  ? move_addr_to_kernel (net/socket.c:258)
[   36.494899][  T339]  ___sys_sendmsg (net/socket.c:2767)
[   36.494901][  T339]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.494916][  T339]  __sys_sendmsg (net/socket.c:2799)
[   36.494919][  T339]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.494925][  T339]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.494928][  T339]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.494930][  T339]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.494933][  T339]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.494935][  T339] RIP: 0033:0x7fe957bd654e
[   36.494938][  T339] 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
[   36.494940][  T339] RSP: 002b:00007ffc90e2d5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.494942][  T339] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe957bd654e
[   36.494944][  T339] RDX: 0000000000000000 RSI: 00007ffc90e2d680 RDI: 0000000000000005
[   36.494945][  T339] RBP: 00007ffc90e2d5e0 R08: 0000000000000000 R09: 0000000000000000
[   36.494946][  T339] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914992
[   36.494946][  T339] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc90e2dd40
| [   38.642888][   T36] softirqs last disabled at (48536): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   38.642892][   T36] Preemption disabled at:
| [   38.642893][   T36] 0x0
| [   38.642906][   T36] Tainted: [W]=WARN
[   38.642908][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.642910][   T36] Workqueue: events_unbound linkwatch_event
[   38.642915][   T36] Call Trace:
[   38.642917][   T36]  <TASK>
[   38.642920][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.642927][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.642933][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.642939][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.642947][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.642951][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.642960][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.642963][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.642969][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   38.642974][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.642979][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.642989][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.643000][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.643005][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.643010][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.643017][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.643023][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.643031][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.643034][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.643041][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.643048][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.643050][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.643060][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.643064][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.643066][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.643069][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.643076][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.643079][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.643084][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.643090][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.643094][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.643098][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.643106][   T36]  _printk (kernel/printk/printk.c:2504)
[   38.643110][   T36]  ? snapshot_read.cold (user.c:?)
[   38.643120][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.643127][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.643133][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.643138][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   38.643141][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   38.643147][   T36]  br_device_event (net/bridge/br.c:101)
[   38.643152][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.643155][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   38.643166][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   38.643176][   T36]  netif_state_change (net/core/dev.c:1625)
[   38.643182][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.643191][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.643194][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.643200][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.643205][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.643213][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.643217][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.643224][   T36]  process_one_work (kernel/workqueue.c:3387)
[   38.643237][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.643241][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.643255][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.643268][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.643270][   T36]  kthread (kernel/kthread.c:436)
[   38.643274][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.643278][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.643283][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.643289][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.643295][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.643300][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.643305][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.900186][  T347] softirqs last disabled at (44246): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.900189][  T347] Preemption disabled at:
| [   39.900189][  T347] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.900198][  T347] Tainted: [W]=WARN
[   39.900199][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.900200][  T347] Call Trace:
[   39.900202][  T347]  <TASK>
[   39.900203][  T347]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.900208][  T347]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.900210][  T347]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.900215][  T347]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.900218][  T347]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.900224][  T347]  __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))
[   39.900226][  T347]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.900232][  T347]  ? 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)
[   39.900236][  T347]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.900240][  T347]  put_chars (drivers/char/virtio_console.c:1176)
[   39.900243][  T347]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.900247][  T347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.900250][  T347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.900253][  T347]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.900257][  T347]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.900261][  T347]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.900263][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900265][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900269][  T347]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.900272][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.900274][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.900277][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.900281][  T347]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.900284][  T347]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.900288][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.900290][  T347]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.900294][  T347]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.900297][  T347]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.900299][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900304][  T347]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.900307][  T347]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.900308][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.900310][  T347]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.900314][  T347]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.900315][  T347]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.900318][  T347]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.900321][  T347]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.900323][  T347]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.900329][  T347]  _printk (kernel/printk/printk.c:2504)
[   39.900333][  T347]  ? snapshot_read.cold (user.c:?)
[   39.900337][  T347]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.900340][  T347]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.900343][  T347]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.900346][  T347]  ? netdev_notice (net/core/dev.c:13194)
[   39.900350][  T347]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   39.900353][  T347]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   39.900357][  T347]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   39.900361][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.900366][  T347]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   39.900369][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   39.900371][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.900374][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.900381][  T347]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.900385][  T347]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   39.900387][  T347]  ? 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))
[   39.900390][  T347]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   39.900394][  T347]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   39.900400][  T347]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.900402][  T347]  ? 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)
[   39.900404][  T347]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.900405][  T347]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   39.900412][  T347]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.900414][  T347]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.900416][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900418][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900420][  T347]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.900441][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.900443][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.900446][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.900448][  T347]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.900450][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900455][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.900457][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.900459][  T347]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.900461][  T347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.900465][  T347]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.900467][  T347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.900471][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.900473][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900477][  T347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.900479][  T347]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.900483][  T347]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.900486][  T347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.900489][  T347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.900499][  T347]  ? 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))
[   39.900500][  T347]  ? 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))
[   39.900505][  T347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.900508][  T347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.900511][  T347]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.900515][  T347]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.900519][  T347]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.900523][  T347]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.900528][  T347]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.900532][  T347]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.900534][  T347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.900535][  T347]  ? move_addr_to_kernel (net/socket.c:258)
[   39.900542][  T347]  ___sys_sendmsg (net/socket.c:2767)
[   39.900544][  T347]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.900559][  T347]  __sys_sendmsg (net/socket.c:2799)
[   39.900562][  T347]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.900568][  T347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.900571][  T347]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.900573][  T347]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.900576][  T347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.900578][  T347] RIP: 0033:0x7fc2cb62854e
[   39.900582][  T347] 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
[   39.900584][  T347] RSP: 002b:00007ffe80b32b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.900587][  T347] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc2cb62854e
[   39.900588][  T347] RDX: 0000000000000000 RSI: 00007ffe80b32c40 RDI: 0000000000000005
[   39.900589][  T347] RBP: 00007ffe80b32ba0 R08: 0000000000000000 R09: 0000000000000000
[   39.900590][  T347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914996
[   39.900591][  T347] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe80b33300
| [   41.610248][  T361] softirqs last disabled at (32760): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   41.610250][  T361] Preemption disabled at:
| [   41.610251][  T361] 0x0
| [   41.610261][  T361] Tainted: [W]=WARN
[   41.610262][  T361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.610264][  T361] Call Trace:
[   41.610265][  T361]  <TASK>
[   41.610267][  T361]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.610273][  T361]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.610277][  T361]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.610281][  T361]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.610286][  T361]  __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))
[   41.610289][  T361]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.610295][  T361]  ? 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)
[   41.610297][  T361]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.610300][  T361]  put_chars (drivers/char/virtio_console.c:1176)
[   41.610303][  T361]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   41.610305][  T361]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.610312][  T361]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.610319][  T361]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.610322][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.610327][  T361]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.610331][  T361]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.610335][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610338][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.610342][  T361]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.610345][  T361]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.610347][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.610352][  T361]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.610355][  T361]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.610356][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610358][  T361]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.610362][  T361]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.610364][  T361]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.610366][  T361]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.610370][  T361]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.610371][  T361]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.610374][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.610376][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.610380][  T361]  _printk (kernel/printk/printk.c:2504)
[   41.610383][  T361]  ? snapshot_read.cold (user.c:?)
[   41.610391][  T361]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.610394][  T361]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   41.610398][  T361]  br_device_event (net/bridge/br.c:111)
[   41.610400][  T361]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   41.610404][  T361]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.610410][  T361]  notifier_call_chain (kernel/notifier.c:85)
[   41.610415][  T361]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   41.610420][  T361]  ? netif_change_name (net/core/dev.c:1517)
[   41.610422][  T361]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.610425][  T361]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.610428][  T361]  ? __kernel_text_address (kernel/extable.c:79)
[   41.610430][  T361]  ? write_profile (profile.c:?)
[   41.610435][  T361]  netif_change_flags (net/core/dev.c:9882)
[   41.610438][  T361]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.610442][  T361]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.610444][  T361]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.610446][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.610448][  T361]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.610451][  T361]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.610453][  T361]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.610455][  T361]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.610458][  T361]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.610460][  T361]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.610462][  T361]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.610464][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.610466][  T361]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   41.610469][  T361]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.610473][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.610475][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.610478][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610480][  T361]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.610482][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610483][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610485][  T361]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.610488][  T361]  ? __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)
[   41.610489][  T361]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.610491][  T361]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.610495][  T361]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.610500][  T361]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.610510][  T361]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.610516][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.610518][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.610523][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.610525][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.610527][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.610529][  T361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.610533][  T361]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.610536][  T361]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.610539][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.610541][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.610546][  T361]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.610548][  T361]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.610551][  T361]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.610553][  T361]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.610557][  T361]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.610563][  T361]  ? 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))
[   41.610564][  T361]  ? 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))
[   41.610569][  T361]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.610572][  T361]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.610575][  T361]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.610579][  T361]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.610583][  T361]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.610587][  T361]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.610593][  T361]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.610595][  T361]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.610597][  T361]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.610598][  T361]  ? move_addr_to_kernel (net/socket.c:258)
[   41.610605][  T361]  ___sys_sendmsg (net/socket.c:2767)
[   41.610608][  T361]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.610623][  T361]  __sys_sendmsg (net/socket.c:2799)
[   41.610625][  T361]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.610631][  T361]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.610634][  T361]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.610636][  T361]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.610640][  T361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.610642][  T361] RIP: 0033:0x7f305a93354e
[   41.610644][  T361] 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
[   41.610646][  T361] RSP: 002b:00007ffdb245ddd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.610648][  T361] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f305a93354e
[   41.610650][  T361] RDX: 0000000000000000 RSI: 00007ffdb245de80 RDI: 0000000000000005
[   41.610650][  T361] RBP: 00007ffdb245dde0 R08: 0000000000000000 R09: 0000000000000000
[   41.610651][  T361] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914998
[   41.610652][  T361] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdb245e540
| [   43.716705][  T104] softirqs last disabled at (125906): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   43.716708][  T104] Preemption disabled at:
| [   43.716708][  T104] 0x0
| [   43.716719][  T104] Tainted: [W]=WARN
[   43.716720][  T104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.716722][  T104] Workqueue: events_unbound linkwatch_event
[   43.716725][  T104] Call Trace:
[   43.716727][  T104]  <TASK>
[   43.716729][  T104]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.716734][  T104]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.716738][  T104]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.716742][  T104]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.716747][  T104]  __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))
[   43.716750][  T104]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.716756][  T104]  ? 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)
[   43.716759][  T104]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.716762][  T104]  put_chars (drivers/char/virtio_console.c:1176)
[   43.716766][  T104]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.716769][  T104]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.716775][  T104]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.716782][  T104]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.716785][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.716788][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.716792][  T104]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.716796][  T104]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.716800][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.716802][  T104]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.716806][  T104]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.716810][  T104]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.716811][  T104]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.716817][  T104]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.716819][  T104]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.716821][  T104]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.716823][  T104]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.716826][  T104]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.716828][  T104]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.716831][  T104]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.716835][  T104]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.716837][  T104]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.716840][  T104]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.716845][  T104]  _printk (kernel/printk/printk.c:2504)
[   43.716848][  T104]  ? snapshot_read.cold (user.c:?)
[   43.716853][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.716857][  T104]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.716861][  T104]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.716864][  T104]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   43.716866][  T104]  br_port_carrier_check (net/bridge/br_if.c:90)
[   43.716870][  T104]  br_device_event (net/bridge/br.c:101)
[   43.716874][  T104]  ? packet_sendmsg_spkt (af_packet.c:?)
[   43.716875][  T104]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   43.716882][  T104]  notifier_call_chain (kernel/notifier.c:85)
[   43.716888][  T104]  netif_state_change (net/core/dev.c:1625)
[   43.716892][  T104]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   43.716897][  T104]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   43.716899][  T104]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   43.716903][  T104]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.716906][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.716910][  T104]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   43.716913][  T104]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   43.716917][  T104]  process_one_work (kernel/workqueue.c:3387)
[   43.716923][  T104]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.716925][  T104]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.716933][  T104]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.716939][  T104]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.716941][  T104]  kthread (kernel/kthread.c:436)
[   43.716943][  T104]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.716947][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.716950][  T104]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.716954][  T104]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.716958][  T104]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.716961][  T104]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.716964][  T104]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.975822][  T369] softirqs last disabled at (53894): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.975824][  T369] Preemption disabled at:
| [   44.975825][  T369] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.975834][  T369] Tainted: [W]=WARN
[   44.975835][  T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.975837][  T369] Call Trace:
[   44.975838][  T369]  <TASK>
[   44.975840][  T369]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.975845][  T369]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.975847][  T369]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.975851][  T369]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.975855][  T369]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.975860][  T369]  __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))
[   44.975863][  T369]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.975869][  T369]  ? 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)
[   44.975871][  T369]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.975875][  T369]  put_chars (drivers/char/virtio_console.c:1176)
[   44.975878][  T369]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.975881][  T369]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.975885][  T369]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.975888][  T369]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.975892][  T369]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.975896][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.975898][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.975900][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.975904][  T369]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.975907][  T369]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   44.975910][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.975912][  T369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.975916][  T369]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.975919][  T369]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.975923][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.975925][  T369]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.975929][  T369]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.975933][  T369]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.975934][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.975939][  T369]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.975942][  T369]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.975943][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.975945][  T369]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.975949][  T369]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.975951][  T369]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.975953][  T369]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.975957][  T369]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.975958][  T369]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.975965][  T369]  _printk (kernel/printk/printk.c:2504)
[   44.975968][  T369]  ? snapshot_read.cold (user.c:?)
[   44.975973][  T369]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.975976][  T369]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.975979][  T369]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.975981][  T369]  ? netdev_notice (net/core/dev.c:13194)
[   44.975986][  T369]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   44.975989][  T369]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   44.975993][  T369]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   44.975997][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.976002][  T369]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   44.976005][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   44.976007][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.976010][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.976017][  T369]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.976021][  T369]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   44.976023][  T369]  ? 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))
[   44.976025][  T369]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   44.976030][  T369]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   44.976036][  T369]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   44.976037][  T369]  ? 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)
[   44.976040][  T369]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.976041][  T369]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   44.976048][  T369]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   44.976050][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.976052][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.976054][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.976056][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.976078][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.976080][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.976083][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.976085][  T369]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.976087][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.976092][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.976094][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.976096][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.976098][  T369]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.976102][  T369]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.976104][  T369]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.976108][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.976110][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.976115][  T369]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.976117][  T369]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.976120][  T369]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.976123][  T369]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.976127][  T369]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.976133][  T369]  ? 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))
[   44.976134][  T369]  ? 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))
[   44.976138][  T369]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.976142][  T369]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.976145][  T369]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.976149][  T369]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.976153][  T369]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.976157][  T369]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.976163][  T369]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.976166][  T369]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.976168][  T369]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.976169][  T369]  ? move_addr_to_kernel (net/socket.c:258)
[   44.976176][  T369]  ___sys_sendmsg (net/socket.c:2767)
[   44.976179][  T369]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.976194][  T369]  __sys_sendmsg (net/socket.c:2799)
[   44.976197][  T369]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.976203][  T369]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.976206][  T369]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.976208][  T369]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.976212][  T369]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.976214][  T369] RIP: 0033:0x7f165c96254e
[   44.976218][  T369] 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
[   44.976220][  T369] RSP: 002b:00007ffee196a6b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.976223][  T369] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f165c96254e
[   44.976224][  T369] RDX: 0000000000000000 RSI: 00007ffee196a760 RDI: 0000000000000005
[   44.976225][  T369] RBP: 00007ffee196a6c0 R08: 0000000000000000 R09: 0000000000000000
[   44.976226][  T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91499b


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