======================================
| [    8.751810][  T181] softirqs last disabled at (20952): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.751812][  T181] Preemption disabled at:
| [    8.751813][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.751821][  T181] Tainted: [W]=WARN
[    8.751822][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.751823][  T181] Call Trace:
[    8.751825][  T181]  <TASK>
[    8.751826][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.751831][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.751833][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.751837][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.751841][  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)
[    8.751847][  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))
[    8.751849][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.751855][  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)
[    8.751857][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.751861][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[    8.751863][  T181]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.751865][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.751868][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.751874][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.751881][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.751883][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.751886][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.751890][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.751893][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.751897][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.751899][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.751903][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.751906][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.751908][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.751913][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.751915][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.751917][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.751919][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.751922][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.751924][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.751927][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.751933][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.751935][  T181]  ? save_trace (kernel/locking/lockdep.c:589)
[    8.751940][  T181]  _printk (kernel/printk/printk.c:2504)
[    8.751943][  T181]  ? snapshot_read.cold (user.c:?)
[    8.751946][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.751949][  T181]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    8.751951][  T181]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    8.751954][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.751956][  T181]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.751958][  T181]  ? netdev_notice (net/core/dev.c:13194)
[    8.751961][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.751964][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.751966][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.751970][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.751973][  T181]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.751975][  T181]  ? register_netdev (net/core/dev.c:11618)
[    8.751977][  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))
[    8.751982][  T181]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.751984][  T181]  ? __kernel_text_address (kernel/extable.c:79)
[    8.751987][  T181]  ? write_profile (profile.c:?)
[    8.751991][  T181]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.751996][  T181]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.752000][  T181]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.752002][  T181]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.752004][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.752007][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.752010][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.752012][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.752014][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.752017][  T181]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.752019][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.752020][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.752022][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.752024][  T181]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[    8.752027][  T181]  ? ___sys_sendmsg (net/socket.c:2757)
[    8.752032][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.752034][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.752037][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.752042][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.752044][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.752045][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.752047][  T181]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.752050][  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)
[    8.752053][  T181]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.752055][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.752058][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.752060][  T181]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.752066][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.752071][  T181]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.752077][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.752079][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.752084][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.752086][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.752088][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.752090][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.752094][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.752097][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.752100][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.752102][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.752106][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.752109][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.752112][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.752114][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.752117][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.752123][  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))
[    8.752124][  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))
[    8.752129][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.752133][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.752135][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.752139][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.752143][  T181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.752147][  T181]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.752152][  T181]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.752154][  T181]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.752156][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.752158][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    8.752164][  T181]  ___sys_sendmsg (net/socket.c:2767)
[    8.752167][  T181]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.752182][  T181]  __sys_sendmsg (net/socket.c:2799)
[    8.752185][  T181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.752190][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.752193][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.752195][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.752198][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.752200][  T181] RIP: 0033:0x7fa4e6bbb54e
[    8.752204][  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
[    8.752206][  T181] RSP: 002b:00007ffe29e33f20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.752208][  T181] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa4e6bbb54e
[    8.752209][  T181] RDX: 0000000000000000 RSI: 00007ffe29e33fd0 RDI: 0000000000000005
[    8.752210][  T181] RBP: 00007ffe29e33f30 R08: 0000000000000000 R09: 0000000000000000
[    8.752211][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ab9
[    8.752212][  T181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe29e34690
| [   10.810548][  T223] softirqs last disabled at (41122): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   10.810551][  T223] Preemption disabled at:
| [   10.810552][  T223] 0x0
| [   10.810561][  T223] Tainted: [W]=WARN
[   10.810562][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.810564][  T223] Call Trace:
[   10.810565][  T223]  <TASK>
[   10.810567][  T223]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.810573][  T223]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.810577][  T223]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.810581][  T223]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.810587][  T223]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.810589][  T223]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.810595][  T223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.810597][  T223]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.810601][  T223]  put_chars (drivers/char/virtio_console.c:1176)
[   10.810604][  T223]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   10.810607][  T223]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.810613][  T223]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.810620][  T223]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.810623][  T223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.810628][  T223]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.810632][  T223]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.810636][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810639][  T223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.810643][  T223]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.810647][  T223]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.810648][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.810654][  T223]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.810656][  T223]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.810657][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810659][  T223]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.810663][  T223]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.810665][  T223]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.810668][  T223]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.810671][  T223]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.810673][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.810675][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.810678][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.810682][  T223]  _printk (kernel/printk/printk.c:2504)
[   10.810685][  T223]  ? snapshot_read.cold (user.c:?)
[   10.810692][  T223]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.810696][  T223]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   10.810700][  T223]  br_device_event (net/bridge/br.c:111)
[   10.810703][  T223]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.810706][  T223]  ? packet_sendmsg_spkt (af_packet.c:?)
[   10.810712][  T223]  notifier_call_chain (kernel/notifier.c:85)
[   10.810718][  T223]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   10.810722][  T223]  ? netif_change_name (net/core/dev.c:1517)
[   10.810725][  T223]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   10.810727][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.810730][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[   10.810732][  T223]  ? write_profile (profile.c:?)
[   10.810737][  T223]  netif_change_flags (net/core/dev.c:9882)
[   10.810741][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   10.810744][  T223]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.810747][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.810748][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.810750][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.810753][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.810755][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.810757][  T223]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.810760][  T223]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.810762][  T223]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.810764][  T223]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.810766][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.810768][  T223]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.810771][  T223]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.810775][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.810778][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.810781][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810783][  T223]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.810784][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810786][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810788][  T223]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.810790][  T223]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.810792][  T223]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.810794][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.810797][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.810802][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.810808][  T223]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.810814][  T223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.810816][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.810821][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.810823][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.810825][  T223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.810827][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.810831][  T223]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.810834][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.810837][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.810839][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.810844][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.810846][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.810850][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.810852][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.810855][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.810861][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.810863][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.810867][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.810870][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.810873][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.810877][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.810881][  T223]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.810885][  T223]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.810891][  T223]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.810894][  T223]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.810897][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.810898][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   10.810905][  T223]  ___sys_sendmsg (net/socket.c:2767)
[   10.810907][  T223]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.810923][  T223]  __sys_sendmsg (net/socket.c:2799)
[   10.810925][  T223]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.810931][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.810934][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.810936][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.810939][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.810941][  T223] RIP: 0033:0x7f6a85b3954e
[   10.810944][  T223] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.810945][  T223] RSP: 002b:00007ffc3e15f810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.810948][  T223] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a85b3954e
[   10.810949][  T223] RDX: 0000000000000000 RSI: 00007ffc3e15f8c0 RDI: 0000000000000005
[   10.810950][  T223] RBP: 00007ffc3e15f820 R08: 0000000000000000 R09: 0000000000000000
[   10.810951][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914abb
[   10.810951][  T223] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc3e15ff80
| [   12.923298][   T38] softirqs last disabled at (40312): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   12.923301][   T38] Preemption disabled at:
| [   12.923302][   T38] 0x0
| [   12.923312][   T38] Tainted: [W]=WARN
[   12.923313][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.923315][   T38] Workqueue: events_unbound linkwatch_event
[   12.923319][   T38] Call Trace:
[   12.923321][   T38]  <TASK>
[   12.923322][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.923328][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.923333][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.923336][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.923341][   T38]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.923344][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.923350][   T38]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.923352][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.923356][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   12.923359][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.923363][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.923369][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.923376][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.923379][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.923382][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.923387][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.923390][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.923394][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.923396][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.923400][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.923404][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.923405][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.923411][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.923414][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.923415][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.923417][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.923421][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.923423][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.923426][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.923429][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.923431][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.923434][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.923439][   T38]  _printk (kernel/printk/printk.c:2504)
[   12.923442][   T38]  ? snapshot_read.cold (user.c:?)
[   12.923448][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.923452][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   12.923455][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   12.923458][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   12.923460][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   12.923464][   T38]  br_device_event (net/bridge/br.c:101)
[   12.923467][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   12.923469][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   12.923476][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   12.923482][   T38]  netif_state_change (net/core/dev.c:1625)
[   12.923486][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   12.923491][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.923493][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.923497][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.923500][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.923504][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.923507][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.923511][   T38]  process_one_work (kernel/workqueue.c:3387)
[   12.923517][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   12.923519][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.923527][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   12.923533][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   12.923535][   T38]  kthread (kernel/kthread.c:436)
[   12.923537][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.923541][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.923544][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.923548][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   12.923552][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.923555][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   12.923558][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.178775][  T231] softirqs last disabled at (44810): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.178777][  T231] Preemption disabled at:
| [   14.178778][  T231] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.178786][  T231] Tainted: [W]=WARN
[   14.178787][  T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.178789][  T231] Call Trace:
[   14.178790][  T231]  <TASK>
[   14.178792][  T231]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.178797][  T231]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.178799][  T231]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.178803][  T231]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.178807][  T231]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.178812][  T231]  __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))
[   14.178815][  T231]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.178821][  T231]  ? 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)
[   14.178823][  T231]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.178826][  T231]  put_chars (drivers/char/virtio_console.c:1176)
[   14.178830][  T231]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.178833][  T231]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.178836][  T231]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.178839][  T231]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.178844][  T231]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.178847][  T231]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.178850][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.178851][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.178855][  T231]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.178858][  T231]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.178860][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.178862][  T231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.178867][  T231]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.178870][  T231]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.178874][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.178876][  T231]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.178880][  T231]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.178883][  T231]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.178885][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.178890][  T231]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.178892][  T231]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.178894][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.178896][  T231]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.178899][  T231]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.178901][  T231]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.178904][  T231]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.178907][  T231]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.178913][  T231]  _printk (kernel/printk/printk.c:2504)
[   14.178916][  T231]  ? snapshot_read.cold (user.c:?)
[   14.178920][  T231]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   14.178921][  T231]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.178924][  T231]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   14.178927][  T231]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.178933][  T231]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.178936][  T231]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.178939][  T231]  ? netdev_notice (net/core/dev.c:13194)
[   14.178943][  T231]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.178946][  T231]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.178950][  T231]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.178954][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.178959][  T231]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.178962][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.178964][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.178967][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.178974][  T231]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.178979][  T231]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.178980][  T231]  ? 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))
[   14.178983][  T231]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.178988][  T231]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.178993][  T231]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.178995][  T231]  ? 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)
[   14.178997][  T231]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.178999][  T231]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.179005][  T231]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.179007][  T231]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.179009][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.179011][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.179013][  T231]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.179034][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.179036][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.179039][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.179041][  T231]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.179043][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.179048][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.179050][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.179052][  T231]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.179054][  T231]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.179058][  T231]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.179060][  T231]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.179064][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.179066][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.179074][  T231]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.179076][  T231]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.179080][  T231]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.179083][  T231]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.179086][  T231]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.179092][  T231]  ? 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))
[   14.179093][  T231]  ? 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))
[   14.179098][  T231]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.179101][  T231]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.179104][  T231]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.179108][  T231]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.179112][  T231]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.179115][  T231]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.179121][  T231]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.179124][  T231]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.179126][  T231]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.179128][  T231]  ? move_addr_to_kernel (net/socket.c:258)
[   14.179134][  T231]  ___sys_sendmsg (net/socket.c:2767)
[   14.179137][  T231]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.179152][  T231]  __sys_sendmsg (net/socket.c:2799)
[   14.179154][  T231]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.179160][  T231]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.179163][  T231]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.179165][  T231]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.179167][  T231]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.179169][  T231] RIP: 0033:0x7f64c365254e
[   14.179173][  T231] 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
[   14.179175][  T231] RSP: 002b:00007ffe6f7f0720 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.179178][  T231] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f64c365254e
[   14.179179][  T231] RDX: 0000000000000000 RSI: 00007ffe6f7f07d0 RDI: 0000000000000005
[   14.179180][  T231] RBP: 00007ffe6f7f0730 R08: 0000000000000000 R09: 0000000000000000
[   14.179181][  T231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914abe
[   14.179181][  T231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6f7f0e90
| [   15.905452][  T246] softirqs last disabled at (45286): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   15.905454][  T246] Preemption disabled at:
| [   15.905455][  T246] 0x0
| [   15.905465][  T246] Tainted: [W]=WARN
[   15.905466][  T246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.905467][  T246] Call Trace:
[   15.905469][  T246]  <TASK>
[   15.905471][  T246]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.905476][  T246]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.905481][  T246]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.905485][  T246]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   15.905490][  T246]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   15.905493][  T246]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.905499][  T246]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.905501][  T246]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.905505][  T246]  put_chars (drivers/char/virtio_console.c:1176)
[   15.905507][  T246]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   15.905510][  T246]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.905517][  T246]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.905524][  T246]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.905527][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.905531][  T246]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.905535][  T246]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.905539][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905542][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.905546][  T246]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.905550][  T246]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.905551][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.905557][  T246]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.905559][  T246]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.905561][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905562][  T246]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.905566][  T246]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.905568][  T246]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.905571][  T246]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.905574][  T246]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.905576][  T246]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   15.905578][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.905581][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.905585][  T246]  _printk (kernel/printk/printk.c:2504)
[   15.905588][  T246]  ? snapshot_read.cold (user.c:?)
[   15.905596][  T246]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   15.905599][  T246]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   15.905603][  T246]  br_device_event (net/bridge/br.c:111)
[   15.905606][  T246]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   15.905609][  T246]  ? packet_sendmsg_spkt (af_packet.c:?)
[   15.905615][  T246]  notifier_call_chain (kernel/notifier.c:85)
[   15.905621][  T246]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   15.905625][  T246]  ? netif_change_name (net/core/dev.c:1517)
[   15.905628][  T246]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   15.905631][  T246]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.905633][  T246]  ? __kernel_text_address (kernel/extable.c:79)
[   15.905636][  T246]  ? write_profile (profile.c:?)
[   15.905641][  T246]  netif_change_flags (net/core/dev.c:9882)
[   15.905644][  T246]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   15.905648][  T246]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   15.905650][  T246]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   15.905652][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.905654][  T246]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.905657][  T246]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   15.905659][  T246]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.905661][  T246]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   15.905664][  T246]  ? kasan_save_stack (mm/kasan/common.c:58)
[   15.905666][  T246]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.905667][  T246]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.905669][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.905672][  T246]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   15.905675][  T246]  ? ___sys_sendmsg (net/socket.c:2757)
[   15.905679][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.905681][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.905684][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905686][  T246]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.905688][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905689][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905691][  T246]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   15.905693][  T246]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   15.905695][  T246]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   15.905697][  T246]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   15.905700][  T246]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   15.905706][  T246]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   15.905711][  T246]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   15.905717][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.905719][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.905723][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.905726][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.905728][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.905730][  T246]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.905734][  T246]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   15.905737][  T246]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   15.905740][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.905742][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.905747][  T246]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.905749][  T246]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.905752][  T246]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   15.905754][  T246]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.905757][  T246]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.905764][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.905765][  T246]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.905769][  T246]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.905773][  T246]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.905775][  T246]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.905780][  T246]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   15.905783][  T246]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   15.905787][  T246]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   15.905793][  T246]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   15.905795][  T246]  ? copy_msghdr_from_user (net/socket.c:2650)
[   15.905797][  T246]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   15.905798][  T246]  ? move_addr_to_kernel (net/socket.c:258)
[   15.905805][  T246]  ___sys_sendmsg (net/socket.c:2767)
[   15.905808][  T246]  ? copy_msghdr_from_user (net/socket.c:2619)
[   15.905823][  T246]  __sys_sendmsg (net/socket.c:2799)
[   15.905826][  T246]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   15.905832][  T246]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.905835][  T246]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   15.905837][  T246]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   15.905840][  T246]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.905842][  T246] RIP: 0033:0x7f2ed491154e
[   15.905845][  T246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.905846][  T246] RSP: 002b:00007fffdfbe3160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.905849][  T246] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2ed491154e
[   15.905851][  T246] RDX: 0000000000000000 RSI: 00007fffdfbe3210 RDI: 0000000000000005
[   15.905851][  T246] RBP: 00007fffdfbe3170 R08: 0000000000000000 R09: 0000000000000000
[   15.905852][  T246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ac0
[   15.905853][  T246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdfbe38d0
| [   18.007957][  T193] softirqs last disabled at (10102): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   18.007960][  T193] Preemption disabled at:
| [   18.007960][  T193] 0x0
| [   18.007971][  T193] Tainted: [W]=WARN
[   18.007972][  T193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.007974][  T193] Workqueue: events_unbound linkwatch_event
[   18.007978][  T193] Call Trace:
[   18.007979][  T193]  <TASK>
[   18.007981][  T193]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.007986][  T193]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.007991][  T193]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.007994][  T193]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.008000][  T193]  __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))
[   18.008003][  T193]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.008009][  T193]  ? 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)
[   18.008011][  T193]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.008015][  T193]  put_chars (drivers/char/virtio_console.c:1176)
[   18.008018][  T193]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.008022][  T193]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.008027][  T193]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.008035][  T193]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.008037][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.008041][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.008045][  T193]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.008049][  T193]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.008053][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.008055][  T193]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.008059][  T193]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.008063][  T193]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.008064][  T193]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.008070][  T193]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.008072][  T193]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.008073][  T193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.008075][  T193]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.008079][  T193]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.008081][  T193]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.008084][  T193]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.008087][  T193]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.008095][  T193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.008098][  T193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.008103][  T193]  _printk (kernel/printk/printk.c:2504)
[   18.008106][  T193]  ? snapshot_read.cold (user.c:?)
[   18.008111][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.008115][  T193]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.008119][  T193]  br_init_port (net/bridge/br_stp_if.c:39)
[   18.008122][  T193]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   18.008124][  T193]  br_port_carrier_check (net/bridge/br_if.c:90)
[   18.008128][  T193]  br_device_event (net/bridge/br.c:101)
[   18.008131][  T193]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.008132][  T193]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.008139][  T193]  notifier_call_chain (kernel/notifier.c:85)
[   18.008145][  T193]  netif_state_change (net/core/dev.c:1625)
[   18.008150][  T193]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.008154][  T193]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.008157][  T193]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.008160][  T193]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.008163][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.008168][  T193]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.008170][  T193]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   18.008174][  T193]  process_one_work (kernel/workqueue.c:3387)
[   18.008180][  T193]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.008183][  T193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.008190][  T193]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.008194][  T193]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.008195][  T193]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.008199][  T193]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.008201][  T193]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.008202][  T193]  kthread (kernel/kthread.c:436)
[   18.008204][  T193]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.008208][  T193]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.008211][  T193]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.008215][  T193]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.008219][  T193]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.008222][  T193]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.008225][  T193]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.340904][  T254] softirqs last disabled at (49872): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.340906][  T254] Preemption disabled at:
| [   19.340907][  T254] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.340915][  T254] Tainted: [W]=WARN
[   19.340916][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.340918][  T254] Call Trace:
[   19.340919][  T254]  <TASK>
[   19.340921][  T254]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.340926][  T254]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.340928][  T254]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.340935][  T254]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.340938][  T254]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.340944][  T254]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   19.340946][  T254]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.340952][  T254]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   19.340954][  T254]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.340957][  T254]  put_chars (drivers/char/virtio_console.c:1176)
[   19.340960][  T254]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.340964][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.340967][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.340970][  T254]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.340975][  T254]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.340978][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.340981][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340982][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.340986][  T254]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.340989][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.340991][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.340993][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.340998][  T254]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.341001][  T254]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.341004][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.341006][  T254]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.341010][  T254]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.341014][  T254]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.341015][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341021][  T254]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.341023][  T254]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.341024][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.341026][  T254]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.341030][  T254]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.341032][  T254]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.341035][  T254]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.341038][  T254]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.341043][  T254]  _printk (kernel/printk/printk.c:2504)
[   19.341046][  T254]  ? snapshot_read.cold (user.c:?)
[   19.341050][  T254]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   19.341052][  T254]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   19.341055][  T254]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   19.341057][  T254]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.341060][  T254]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.341063][  T254]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.341066][  T254]  ? netdev_notice (net/core/dev.c:13194)
[   19.341070][  T254]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.341073][  T254]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.341077][  T254]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   19.341081][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.341086][  T254]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   19.341089][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   19.341091][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.341094][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.341105][  T254]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.341111][  T254]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   19.341112][  T254]  ? 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))
[   19.341115][  T254]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   19.341120][  T254]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   19.341125][  T254]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.341127][  T254]  ? 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)
[   19.341129][  T254]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.341130][  T254]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   19.341137][  T254]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.341139][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.341141][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341143][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341145][  T254]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.341166][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.341168][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.341171][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.341173][  T254]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.341175][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341180][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.341182][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.341184][  T254]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.341186][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.341190][  T254]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.341193][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.341196][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.341198][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341203][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.341205][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.341208][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.341211][  T254]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.341214][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.341220][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   19.341222][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   19.341226][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.341230][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.341232][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.341236][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.341240][  T254]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.341244][  T254]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.341249][  T254]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.341253][  T254]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.341255][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.341256][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   19.341263][  T254]  ___sys_sendmsg (net/socket.c:2767)
[   19.341265][  T254]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.341280][  T254]  __sys_sendmsg (net/socket.c:2799)
[   19.341283][  T254]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.341289][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.341292][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.341293][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.341296][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.341298][  T254] RIP: 0033:0x7f849374354e
[   19.341302][  T254] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   19.341304][  T254] RSP: 002b:00007ffe2165cda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.341306][  T254] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f849374354e
[   19.341308][  T254] RDX: 0000000000000000 RSI: 00007ffe2165ce50 RDI: 0000000000000005
[   19.341309][  T254] RBP: 00007ffe2165cdb0 R08: 0000000000000000 R09: 0000000000000000
[   19.341310][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ac3
[   19.341310][  T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2165d510
| [   21.010595][  T269] softirqs last disabled at (32240): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   21.010597][  T269] Preemption disabled at:
| [   21.010598][  T269] 0x0
| [   21.010608][  T269] Tainted: [W]=WARN
[   21.010608][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.010610][  T269] Call Trace:
[   21.010611][  T269]  <TASK>
[   21.010613][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.010618][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.010623][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.010627][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.010632][  T269]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   21.010634][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.010641][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.010643][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.010646][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   21.010648][  T269]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   21.010651][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.010658][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.010665][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.010668][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.010672][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.010676][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.010679][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010683][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.010687][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.010690][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.010692][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.010697][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.010700][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.010701][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010703][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.010707][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.010708][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.010712][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.010714][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.010716][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.010719][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.010721][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.010725][  T269]  _printk (kernel/printk/printk.c:2504)
[   21.010729][  T269]  ? snapshot_read.cold (user.c:?)
[   21.010736][  T269]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   21.010740][  T269]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   21.010743][  T269]  br_device_event (net/bridge/br.c:111)
[   21.010746][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.010749][  T269]  ? packet_sendmsg_spkt (af_packet.c:?)
[   21.010755][  T269]  notifier_call_chain (kernel/notifier.c:85)
[   21.010761][  T269]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   21.010765][  T269]  ? netif_change_name (net/core/dev.c:1517)
[   21.010768][  T269]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.010770][  T269]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.010773][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   21.010775][  T269]  ? write_profile (profile.c:?)
[   21.010780][  T269]  netif_change_flags (net/core/dev.c:9882)
[   21.010784][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.010787][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.010790][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.010792][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.010794][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.010797][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.010799][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.010801][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.010804][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.010806][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.010807][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.010809][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.010811][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   21.010814][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.010819][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.010821][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.010824][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010826][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.010828][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010829][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010831][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.010833][  T269]  ? __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)
[   21.010835][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.010837][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.010840][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.010845][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.010851][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.010856][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.010859][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.010863][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.010865][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.010867][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.010870][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.010873][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.010876][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.010880][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.010881][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.010886][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.010888][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.010891][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.010893][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.010897][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.010903][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.010904][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.010908][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.010912][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.010915][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.010919][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.010923][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.010926][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.010934][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.010936][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.010938][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.010939][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   21.010946][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   21.010949][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.010964][  T269]  __sys_sendmsg (net/socket.c:2799)
[   21.010966][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.010972][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.010975][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.010977][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.010980][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.010983][  T269] RIP: 0033:0x7f9684a3854e
[   21.010985][  T269] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.010987][  T269] RSP: 002b:00007ffcc3fe0580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.010989][  T269] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9684a3854e
[   21.010991][  T269] RDX: 0000000000000000 RSI: 00007ffcc3fe0630 RDI: 0000000000000005
[   21.010992][  T269] RBP: 00007ffcc3fe0590 R08: 0000000000000000 R09: 0000000000000000
[   21.010992][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ac5
[   21.010993][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc3fe0cf0
| [   23.123406][   T39] softirqs last disabled at (64880): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   23.123409][   T39] Preemption disabled at:
| [   23.123410][   T39] 0x0
| [   23.123420][   T39] Tainted: [W]=WARN
[   23.123421][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.123422][   T39] Workqueue: events_unbound linkwatch_event
[   23.123426][   T39] Call Trace:
[   23.123428][   T39]  <TASK>
[   23.123430][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.123435][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.123440][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.123443][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.123448][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.123451][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.123457][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.123459][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.123463][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   23.123466][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.123470][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.123476][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.123483][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.123486][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.123489][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.123494][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.123497][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.123501][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.123503][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.123508][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.123511][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.123513][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.123518][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.123521][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.123522][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.123524][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.123528][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.123530][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.123533][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.123536][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.123538][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.123541][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.123546][   T39]  _printk (kernel/printk/printk.c:2504)
[   23.123549][   T39]  ? snapshot_read.cold (user.c:?)
[   23.123554][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.123559][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.123562][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.123565][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   23.123567][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   23.123571][   T39]  br_device_event (net/bridge/br.c:101)
[   23.123574][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   23.123576][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.123583][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   23.123589][   T39]  netif_state_change (net/core/dev.c:1625)
[   23.123593][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   23.123598][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.123600][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.123604][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.123607][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.123611][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.123614][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.123617][   T39]  process_one_work (kernel/workqueue.c:3387)
[   23.123623][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   23.123626][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.123634][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.123640][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   23.123642][   T39]  kthread (kernel/kthread.c:436)
[   23.123644][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.123647][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.123651][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.123655][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   23.123658][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.123662][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.123665][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.459252][  T277] softirqs last disabled at (42570): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.459255][  T277] Preemption disabled at:
| [   24.459256][  T277] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.459264][  T277] Tainted: [W]=WARN
[   24.459265][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.459266][  T277] Call Trace:
[   24.459268][  T277]  <TASK>
[   24.459270][  T277]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.459274][  T277]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.459276][  T277]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.459281][  T277]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.459284][  T277]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.459290][  T277]  __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))
[   24.459292][  T277]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.459298][  T277]  ? 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)
[   24.459300][  T277]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.459304][  T277]  put_chars (drivers/char/virtio_console.c:1176)
[   24.459307][  T277]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.459311][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.459314][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.459317][  T277]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.459321][  T277]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.459325][  T277]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459327][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459329][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459333][  T277]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.459336][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.459338][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459340][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.459345][  T277]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.459348][  T277]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.459352][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459354][  T277]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.459358][  T277]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.459361][  T277]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.459363][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459368][  T277]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.459371][  T277]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.459372][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459374][  T277]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.459378][  T277]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.459380][  T277]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.459382][  T277]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.459386][  T277]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.459391][  T277]  _printk (kernel/printk/printk.c:2504)
[   24.459394][  T277]  ? snapshot_read.cold (user.c:?)
[   24.459398][  T277]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   24.459400][  T277]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   24.459403][  T277]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   24.459405][  T277]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.459408][  T277]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.459412][  T277]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.459414][  T277]  ? netdev_notice (net/core/dev.c:13194)
[   24.459419][  T277]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   24.459422][  T277]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   24.459426][  T277]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   24.459430][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.459435][  T277]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   24.459438][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   24.459441][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459443][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459451][  T277]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.459456][  T277]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   24.459457][  T277]  ? 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))
[   24.459461][  T277]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   24.459465][  T277]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   24.459471][  T277]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   24.459473][  T277]  ? 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)
[   24.459475][  T277]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.459477][  T277]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   24.459483][  T277]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   24.459485][  T277]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459487][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459489][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459491][  T277]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459514][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459516][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459519][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459521][  T277]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.459523][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459527][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459530][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459532][  T277]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459534][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.459538][  T277]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.459540][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.459544][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.459546][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459550][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.459552][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.459556][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.459559][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.459562][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.459568][  T277]  ? 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))
[   24.459570][  T277]  ? 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))
[   24.459574][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.459578][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.459581][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.459585][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.459589][  T277]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.459593][  T277]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.459598][  T277]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.459602][  T277]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.459604][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.459605][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   24.459612][  T277]  ___sys_sendmsg (net/socket.c:2767)
[   24.459615][  T277]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.459630][  T277]  __sys_sendmsg (net/socket.c:2799)
[   24.459633][  T277]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.459639][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.459642][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.459644][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.459646][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.459648][  T277] RIP: 0033:0x7f33f14c054e
[   24.459652][  T277] 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
[   24.459654][  T277] RSP: 002b:00007ffcf410ffb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.459656][  T277] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f33f14c054e
[   24.459657][  T277] RDX: 0000000000000000 RSI: 00007ffcf4110060 RDI: 0000000000000005
[   24.459658][  T277] RBP: 00007ffcf410ffc0 R08: 0000000000000000 R09: 0000000000000000
[   24.459659][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ac8
[   24.459660][  T277] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf4110720
| [   25.905151][   T69] softirqs last disabled at (8020): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.905154][   T69] Preemption disabled at:
| [   25.905154][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.905163][   T69] Tainted: [W]=WARN
[   25.905164][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.905166][   T69] Workqueue: bond0 bond_mii_monitor
[   25.905169][   T69] Call Trace:
[   25.905171][   T69]  <TASK>
[   25.905174][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.905179][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.905180][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.905185][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.905189][   T69]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.905194][   T69]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.905197][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.905203][   T69]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.905205][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.905209][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   25.905212][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.905214][   T69]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.905217][   T69]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.905221][   T69]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.905226][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.905230][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.905231][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.905236][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.905240][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.905242][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.905246][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.905250][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.905254][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.905256][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.905260][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.905264][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.905265][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.905270][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.905273][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.905274][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.905276][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.905280][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.905282][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.905285][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.905288][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.905289][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.905292][   T69]  ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2))
[   25.905297][   T69]  _printk (kernel/printk/printk.c:2504)
[   25.905301][   T69]  ? snapshot_read.cold (user.c:?)
[   25.905305][   T69]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.905308][   T69]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.905312][   T69]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.905314][   T69]  ? netdev_notice (net/core/dev.c:13194)
[   25.905318][   T69]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   25.905325][   T69]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   25.905331][   T69]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   25.905333][   T69]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.905335][   T69]  ? wait_for_completion_io (kernel/sched/completion.c:102 kernel/sched/completion.c:121 kernel/sched/completion.c:138 kernel/sched/completion.c:186)
[   25.905338][   T69]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.905340][   T69]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.905345][   T69]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   25.905346][   T69]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   25.905348][   T69]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   25.905350][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.905352][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.905354][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.905357][   T69]  ? process_one_work (kernel/workqueue.c:3386)
[   25.905358][   T69]  process_one_work (kernel/workqueue.c:3387)
[   25.905364][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.905367][   T69]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.905374][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.905381][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.905382][   T69]  kthread (kernel/kthread.c:436)
[   25.905385][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.905388][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.905391][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.905395][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.905399][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.905402][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.905405][   T69]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.213727][   T39] softirqs last disabled at (66860): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   28.213730][   T39] Preemption disabled at:
| [   28.213731][   T39] 0x0
| [   28.213741][   T39] Tainted: [W]=WARN
[   28.213742][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.213744][   T39] Workqueue: events_unbound linkwatch_event
[   28.213747][   T39] Call Trace:
[   28.213749][   T39]  <TASK>
[   28.213751][   T39]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.213756][   T39]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.213761][   T39]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.213764][   T39]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.213770][   T39]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.213772][   T39]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.213779][   T39]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.213781][   T39]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.213784][   T39]  put_chars (drivers/char/virtio_console.c:1176)
[   28.213788][   T39]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.213791][   T39]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.213797][   T39]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.213804][   T39]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.213807][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.213811][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.213815][   T39]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.213819][   T39]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.213823][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.213824][   T39]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.213829][   T39]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.213832][   T39]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.213834][   T39]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.213839][   T39]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.213842][   T39]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.213843][   T39]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.213845][   T39]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.213849][   T39]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.213851][   T39]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.213854][   T39]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.213857][   T39]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.213859][   T39]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.213862][   T39]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.213867][   T39]  _printk (kernel/printk/printk.c:2504)
[   28.213870][   T39]  ? snapshot_read.cold (user.c:?)
[   28.213875][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.213879][   T39]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.213883][   T39]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.213886][   T39]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   28.213888][   T39]  br_port_carrier_check (net/bridge/br_if.c:90)
[   28.213892][   T39]  br_device_event (net/bridge/br.c:101)
[   28.213895][   T39]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.213896][   T39]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.213903][   T39]  notifier_call_chain (kernel/notifier.c:85)
[   28.213909][   T39]  netif_state_change (net/core/dev.c:1625)
[   28.213913][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   28.213918][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   28.213921][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   28.213924][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.213927][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.213933][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   28.213936][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   28.213940][   T39]  process_one_work (kernel/workqueue.c:3387)
[   28.213946][   T39]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.213948][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.213956][   T39]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.213962][   T39]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.213964][   T39]  kthread (kernel/kthread.c:436)
[   28.213967][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.213970][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.213973][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.213978][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.213981][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.213984][   T39]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.213987][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.406305][  T299] softirqs last disabled at (44276): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.406307][  T299] Preemption disabled at:
| [   29.406308][  T299] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.406316][  T299] Tainted: [W]=WARN
[   29.406317][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.406318][  T299] Call Trace:
[   29.406320][  T299]  <TASK>
[   29.406321][  T299]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.406326][  T299]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.406328][  T299]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.406332][  T299]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.406336][  T299]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.406341][  T299]  __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))
[   29.406344][  T299]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.406350][  T299]  ? 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)
[   29.406352][  T299]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.406355][  T299]  put_chars (drivers/char/virtio_console.c:1176)
[   29.406358][  T299]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.406362][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.406365][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.406368][  T299]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.406372][  T299]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.406376][  T299]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.406378][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406380][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406384][  T299]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.406387][  T299]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.406389][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.406391][  T299]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.406396][  T299]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.406399][  T299]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.406403][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.406405][  T299]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.406409][  T299]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.406413][  T299]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.406414][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406419][  T299]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.406422][  T299]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.406423][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.406425][  T299]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.406429][  T299]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.406430][  T299]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.406433][  T299]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.406436][  T299]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.406442][  T299]  _printk (kernel/printk/printk.c:2504)
[   29.406445][  T299]  ? snapshot_read.cold (user.c:?)
[   29.406448][  T299]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   29.406450][  T299]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   29.406453][  T299]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   29.406456][  T299]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.406459][  T299]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.406462][  T299]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.406464][  T299]  ? netdev_notice (net/core/dev.c:13194)
[   29.406469][  T299]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   29.406472][  T299]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   29.406476][  T299]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   29.406479][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.406485][  T299]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   29.406488][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   29.406490][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.406493][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.406500][  T299]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.406506][  T299]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   29.406507][  T299]  ? 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))
[   29.406510][  T299]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   29.406515][  T299]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   29.406521][  T299]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.406522][  T299]  ? 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)
[   29.406524][  T299]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.406526][  T299]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   29.406533][  T299]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   29.406535][  T299]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.406537][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406539][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406541][  T299]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.406563][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.406565][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.406568][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.406570][  T299]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.406572][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406577][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.406579][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.406581][  T299]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.406584][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.406588][  T299]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.406590][  T299]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.406594][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.406596][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406600][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.406602][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.406606][  T299]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.406609][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.406612][  T299]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.406619][  T299]  ? 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))
[   29.406620][  T299]  ? 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))
[   29.406624][  T299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.406628][  T299]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.406631][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.406635][  T299]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.406639][  T299]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.406643][  T299]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.406649][  T299]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.406652][  T299]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.406654][  T299]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.406655][  T299]  ? move_addr_to_kernel (net/socket.c:258)
[   29.406662][  T299]  ___sys_sendmsg (net/socket.c:2767)
[   29.406665][  T299]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.406681][  T299]  __sys_sendmsg (net/socket.c:2799)
[   29.406683][  T299]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.406689][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.406693][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.406694][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.406697][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.406699][  T299] RIP: 0033:0x7fbc1353154e
[   29.406703][  T299] 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
[   29.406704][  T299] RSP: 002b:00007ffff8b7d190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.406707][  T299] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fbc1353154e
[   29.406708][  T299] RDX: 0000000000000000 RSI: 00007ffff8b7d240 RDI: 0000000000000005
[   29.406709][  T299] RBP: 00007ffff8b7d1a0 R08: 0000000000000000 R09: 0000000000000000
[   29.406710][  T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914acd
[   29.406711][  T299] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff8b7d900
| [   31.072994][  T313] softirqs last disabled at (44866): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   31.072996][  T313] Preemption disabled at:
| [   31.072997][  T313] 0x0
| [   31.073007][  T313] Tainted: [W]=WARN
[   31.073008][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.073009][  T313] Call Trace:
[   31.073011][  T313]  <TASK>
[   31.073012][  T313]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.073018][  T313]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.073023][  T313]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.073026][  T313]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.073032][  T313]  __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))
[   31.073034][  T313]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.073040][  T313]  ? 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)
[   31.073043][  T313]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.073046][  T313]  put_chars (drivers/char/virtio_console.c:1176)
[   31.073049][  T313]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   31.073051][  T313]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.073058][  T313]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.073065][  T313]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.073068][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073073][  T313]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.073076][  T313]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.073080][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073084][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073088][  T313]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.073091][  T313]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.073093][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073098][  T313]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.073100][  T313]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.073102][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073104][  T313]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.073107][  T313]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.073110][  T313]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.073113][  T313]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.073116][  T313]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.073117][  T313]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.073120][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.073122][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.073127][  T313]  _printk (kernel/printk/printk.c:2504)
[   31.073130][  T313]  ? snapshot_read.cold (user.c:?)
[   31.073138][  T313]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   31.073141][  T313]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   31.073145][  T313]  br_device_event (net/bridge/br.c:111)
[   31.073148][  T313]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   31.073150][  T313]  ? packet_sendmsg_spkt (af_packet.c:?)
[   31.073156][  T313]  notifier_call_chain (kernel/notifier.c:85)
[   31.073166][  T313]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.073171][  T313]  ? netif_change_name (net/core/dev.c:1517)
[   31.073173][  T313]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   31.073176][  T313]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.073179][  T313]  ? __kernel_text_address (kernel/extable.c:79)
[   31.073181][  T313]  ? write_profile (profile.c:?)
[   31.073186][  T313]  netif_change_flags (net/core/dev.c:9882)
[   31.073190][  T313]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.073193][  T313]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.073195][  T313]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.073197][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.073199][  T313]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.073202][  T313]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.073204][  T313]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.073206][  T313]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.073209][  T313]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.073211][  T313]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.073213][  T313]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.073215][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073217][  T313]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   31.073220][  T313]  ? ___sys_sendmsg (net/socket.c:2757)
[   31.073225][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073227][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.073230][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073231][  T313]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.073233][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073234][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073236][  T313]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.073239][  T313]  ? __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)
[   31.073240][  T313]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.073242][  T313]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.073246][  T313]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.073251][  T313]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.073256][  T313]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.073262][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073264][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073269][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073271][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.073273][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073276][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.073280][  T313]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.073282][  T313]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.073286][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.073288][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073292][  T313]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.073294][  T313]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.073298][  T313]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.073300][  T313]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.073303][  T313]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.073309][  T313]  ? 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))
[   31.073311][  T313]  ? 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))
[   31.073315][  T313]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.073319][  T313]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.073321][  T313]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.073325][  T313]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.073329][  T313]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.073333][  T313]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.073339][  T313]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.073341][  T313]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.073343][  T313]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.073344][  T313]  ? move_addr_to_kernel (net/socket.c:258)
[   31.073351][  T313]  ___sys_sendmsg (net/socket.c:2767)
[   31.073354][  T313]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.073369][  T313]  __sys_sendmsg (net/socket.c:2799)
[   31.073372][  T313]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.073377][  T313]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.073381][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.073382][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.073385][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.073387][  T313] RIP: 0033:0x7f97036b454e
[   31.073389][  T313] 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
[   31.073391][  T313] RSP: 002b:00007ffe9a6c9c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.073394][  T313] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f97036b454e
[   31.073395][  T313] RDX: 0000000000000000 RSI: 00007ffe9a6c9d00 RDI: 0000000000000005
[   31.073396][  T313] RBP: 00007ffe9a6c9c60 R08: 0000000000000000 R09: 0000000000000000
[   31.073397][  T313] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914acf
[   31.073397][  T313] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9a6ca3c0
| [   33.177684][   T38] softirqs last disabled at (112526): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   33.177686][   T38] Preemption disabled at:
| [   33.177687][   T38] 0x0
| [   33.177696][   T38] Tainted: [W]=WARN
[   33.177697][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.177698][   T38] Workqueue: events_unbound linkwatch_event
[   33.177702][   T38] Call Trace:
[   33.177703][   T38]  <TASK>
[   33.177705][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.177710][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.177714][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.177717][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.177722][   T38]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   33.177725][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.177731][   T38]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   33.177733][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.177736][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   33.177739][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.177742][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.177748][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.177755][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.177757][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.177761][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.177765][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.177769][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.177773][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.177774][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.177779][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.177782][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.177784][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.177789][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.177792][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.177793][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.177795][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.177799][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.177801][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.177804][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.177807][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.177809][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.177811][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.177816][   T38]  _printk (kernel/printk/printk.c:2504)
[   33.177819][   T38]  ? snapshot_read.cold (user.c:?)
[   33.177825][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.177829][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   33.177832][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   33.177835][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   33.177837][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   33.177841][   T38]  br_device_event (net/bridge/br.c:101)
[   33.177844][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   33.177845][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.177852][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   33.177858][   T38]  netif_state_change (net/core/dev.c:1625)
[   33.177863][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.177867][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   33.177869][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.177873][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.177876][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.177880][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.177883][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   33.177887][   T38]  process_one_work (kernel/workqueue.c:3387)
[   33.177893][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.177895][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.177903][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.177909][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.177911][   T38]  kthread (kernel/kthread.c:436)
[   33.177913][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.177916][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.177919][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.177924][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.177928][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.177933][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.177936][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.507604][  T321] softirqs last disabled at (54984): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.507606][  T321] Preemption disabled at:
| [   34.507607][  T321] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.507615][  T321] Tainted: [W]=WARN
[   34.507616][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.507617][  T321] Call Trace:
[   34.507619][  T321]  <TASK>
[   34.507621][  T321]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.507625][  T321]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.507627][  T321]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.507632][  T321]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.507635][  T321]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.507640][  T321]  __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))
[   34.507643][  T321]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.507649][  T321]  ? 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)
[   34.507651][  T321]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.507654][  T321]  put_chars (drivers/char/virtio_console.c:1176)
[   34.507657][  T321]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.507660][  T321]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.507664][  T321]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.507668][  T321]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.507672][  T321]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.507675][  T321]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.507677][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507679][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507683][  T321]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.507686][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   34.507688][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.507690][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.507695][  T321]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.507698][  T321]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.507702][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.507704][  T321]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.507708][  T321]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.507711][  T321]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.507713][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507718][  T321]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.507720][  T321]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.507722][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.507724][  T321]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.507727][  T321]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.507729][  T321]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.507732][  T321]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.507735][  T321]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.507741][  T321]  _printk (kernel/printk/printk.c:2504)
[   34.507744][  T321]  ? snapshot_read.cold (user.c:?)
[   34.507748][  T321]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   34.507750][  T321]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   34.507753][  T321]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   34.507755][  T321]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.507758][  T321]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.507762][  T321]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.507764][  T321]  ? netdev_notice (net/core/dev.c:13194)
[   34.507769][  T321]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   34.507772][  T321]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   34.507776][  T321]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   34.507780][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.507785][  T321]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   34.507788][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   34.507790][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.507793][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.507800][  T321]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.507806][  T321]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   34.507807][  T321]  ? 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))
[   34.507810][  T321]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   34.507815][  T321]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   34.507820][  T321]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   34.507822][  T321]  ? 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)
[   34.507824][  T321]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.507825][  T321]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   34.507832][  T321]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   34.507834][  T321]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.507836][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507838][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507840][  T321]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.507862][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.507864][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.507867][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.507869][  T321]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.507872][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507876][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.507878][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.507880][  T321]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.507883][  T321]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.507886][  T321]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.507889][  T321]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.507893][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.507894][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507899][  T321]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.507901][  T321]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.507905][  T321]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.507908][  T321]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.507911][  T321]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.507917][  T321]  ? 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))
[   34.507919][  T321]  ? 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))
[   34.507923][  T321]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.507927][  T321]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.507929][  T321]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.507936][  T321]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.507939][  T321]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.507943][  T321]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.507949][  T321]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.507952][  T321]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.507954][  T321]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.507955][  T321]  ? move_addr_to_kernel (net/socket.c:258)
[   34.507962][  T321]  ___sys_sendmsg (net/socket.c:2767)
[   34.507965][  T321]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.507979][  T321]  __sys_sendmsg (net/socket.c:2799)
[   34.507982][  T321]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.507988][  T321]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.507991][  T321]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.507992][  T321]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.507995][  T321]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.507997][  T321] RIP: 0033:0x7f88da87d54e
[   34.508000][  T321] 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
[   34.508002][  T321] RSP: 002b:00007ffc0a07d430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.508005][  T321] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f88da87d54e
[   34.508006][  T321] RDX: 0000000000000000 RSI: 00007ffc0a07d4e0 RDI: 0000000000000005
[   34.508007][  T321] RBP: 00007ffc0a07d440 R08: 0000000000000000 R09: 0000000000000000
[   34.508008][  T321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ad2
[   34.508009][  T321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0a07dba0
| [   36.191206][  T335] softirqs last disabled at (40964): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   36.191209][  T335] Preemption disabled at:
| [   36.191209][  T335] 0x0
| [   36.191219][  T335] Tainted: [W]=WARN
[   36.191220][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.191222][  T335] Call Trace:
[   36.191223][  T335]  <TASK>
[   36.191225][  T335]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.191230][  T335]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.191235][  T335]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.191239][  T335]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.191244][  T335]  __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))
[   36.191246][  T335]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.191253][  T335]  ? 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)
[   36.191255][  T335]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.191258][  T335]  put_chars (drivers/char/virtio_console.c:1176)
[   36.191261][  T335]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   36.191264][  T335]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.191270][  T335]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.191278][  T335]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.191281][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.191285][  T335]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.191289][  T335]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.191292][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191296][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.191300][  T335]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.191304][  T335]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.191305][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.191311][  T335]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.191313][  T335]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.191314][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191316][  T335]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.191320][  T335]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.191322][  T335]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.191325][  T335]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.191328][  T335]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.191329][  T335]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.191332][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.191334][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.191339][  T335]  _printk (kernel/printk/printk.c:2504)
[   36.191343][  T335]  ? snapshot_read.cold (user.c:?)
[   36.191350][  T335]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.191354][  T335]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   36.191357][  T335]  br_device_event (net/bridge/br.c:111)
[   36.191360][  T335]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.191363][  T335]  ? packet_sendmsg_spkt (af_packet.c:?)
[   36.191369][  T335]  notifier_call_chain (kernel/notifier.c:85)
[   36.191375][  T335]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.191379][  T335]  ? netif_change_name (net/core/dev.c:1517)
[   36.191381][  T335]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.191384][  T335]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.191387][  T335]  ? __kernel_text_address (kernel/extable.c:79)
[   36.191389][  T335]  ? write_profile (profile.c:?)
[   36.191394][  T335]  netif_change_flags (net/core/dev.c:9882)
[   36.191398][  T335]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.191401][  T335]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.191404][  T335]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.191405][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.191407][  T335]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.191410][  T335]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.191413][  T335]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.191415][  T335]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.191417][  T335]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.191419][  T335]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.191421][  T335]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.191423][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.191425][  T335]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   36.191428][  T335]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.191432][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.191434][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.191438][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191440][  T335]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.191441][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191443][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191444][  T335]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.191447][  T335]  ? __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)
[   36.191448][  T335]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.191450][  T335]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.191454][  T335]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.191459][  T335]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.191465][  T335]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.191471][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.191473][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.191477][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.191480][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.191482][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.191484][  T335]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.191488][  T335]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.191490][  T335]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.191494][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.191496][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.191500][  T335]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.191502][  T335]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.191506][  T335]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.191508][  T335]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.191511][  T335]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.191517][  T335]  ? 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))
[   36.191519][  T335]  ? 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))
[   36.191523][  T335]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.191527][  T335]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.191529][  T335]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.191534][  T335]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.191537][  T335]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.191541][  T335]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.191547][  T335]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.191549][  T335]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.191551][  T335]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.191552][  T335]  ? move_addr_to_kernel (net/socket.c:258)
[   36.191559][  T335]  ___sys_sendmsg (net/socket.c:2767)
[   36.191562][  T335]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.191577][  T335]  __sys_sendmsg (net/socket.c:2799)
[   36.191580][  T335]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.191586][  T335]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.191589][  T335]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.191591][  T335]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.191594][  T335]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.191596][  T335] RIP: 0033:0x7f2a43f1c54e
[   36.191598][  T335] 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
[   36.191600][  T335] RSP: 002b:00007ffd028fb600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.191603][  T335] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2a43f1c54e
[   36.191604][  T335] RDX: 0000000000000000 RSI: 00007ffd028fb6b0 RDI: 0000000000000005
[   36.191605][  T335] RBP: 00007ffd028fb610 R08: 0000000000000000 R09: 0000000000000000
[   36.191606][  T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ad4
[   36.191607][  T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd028fbd70
| [   38.297395][   T38] softirqs last disabled at (124166): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   38.297398][   T38] Preemption disabled at:
| [   38.297399][   T38] 0x0
| [   38.297409][   T38] Tainted: [W]=WARN
[   38.297410][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.297412][   T38] Workqueue: events_unbound linkwatch_event
[   38.297416][   T38] Call Trace:
[   38.297418][   T38]  <TASK>
[   38.297419][   T38]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.297425][   T38]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.297430][   T38]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.297433][   T38]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.297438][   T38]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.297441][   T38]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.297447][   T38]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.297449][   T38]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.297453][   T38]  put_chars (drivers/char/virtio_console.c:1176)
[   38.297456][   T38]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.297460][   T38]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.297466][   T38]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.297473][   T38]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.297476][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.297479][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.297483][   T38]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.297487][   T38]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.297491][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.297493][   T38]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.297497][   T38]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.297501][   T38]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.297502][   T38]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.297508][   T38]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.297510][   T38]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.297511][   T38]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.297513][   T38]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.297517][   T38]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.297519][   T38]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.297522][   T38]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.297525][   T38]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.297528][   T38]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.297530][   T38]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.297535][   T38]  _printk (kernel/printk/printk.c:2504)
[   38.297539][   T38]  ? snapshot_read.cold (user.c:?)
[   38.297544][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.297548][   T38]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.297551][   T38]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.297554][   T38]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   38.297556][   T38]  br_port_carrier_check (net/bridge/br_if.c:90)
[   38.297560][   T38]  br_device_event (net/bridge/br.c:101)
[   38.297563][   T38]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.297565][   T38]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   38.297571][   T38]  notifier_call_chain (kernel/notifier.c:85)
[   38.297578][   T38]  netif_state_change (net/core/dev.c:1625)
[   38.297582][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.297586][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.297589][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.297592][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.297595][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.297600][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.297602][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.297606][   T38]  process_one_work (kernel/workqueue.c:3387)
[   38.297612][   T38]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.297614][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.297622][   T38]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.297628][   T38]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.297630][   T38]  kthread (kernel/kthread.c:436)
[   38.297633][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.297636][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.297639][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.297643][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.297647][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.297650][   T38]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.297653][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.623756][  T343] softirqs last disabled at (36964): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.623758][  T343] Preemption disabled at:
| [   39.623759][  T343] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.623767][  T343] Tainted: [W]=WARN
[   39.623768][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.623770][  T343] Call Trace:
[   39.623771][  T343]  <TASK>
[   39.623773][  T343]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.623778][  T343]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.623780][  T343]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.623784][  T343]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.623788][  T343]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.623793][  T343]  __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))
[   39.623796][  T343]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.623802][  T343]  ? 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)
[   39.623804][  T343]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.623807][  T343]  put_chars (drivers/char/virtio_console.c:1176)
[   39.623810][  T343]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.623814][  T343]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.623817][  T343]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.623820][  T343]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.623824][  T343]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.623828][  T343]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.623830][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.623832][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.623836][  T343]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.623839][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.623841][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.623843][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.623848][  T343]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.623851][  T343]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.623854][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.623856][  T343]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.623860][  T343]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.623864][  T343]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.623865][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.623871][  T343]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.623873][  T343]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.623874][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.623876][  T343]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.623880][  T343]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.623882][  T343]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.623885][  T343]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.623888][  T343]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.623893][  T343]  _printk (kernel/printk/printk.c:2504)
[   39.623896][  T343]  ? snapshot_read.cold (user.c:?)
[   39.623899][  T343]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   39.623901][  T343]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   39.623905][  T343]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   39.623907][  T343]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.623910][  T343]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.623913][  T343]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.623916][  T343]  ? netdev_notice (net/core/dev.c:13194)
[   39.623920][  T343]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   39.623923][  T343]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   39.623927][  T343]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   39.623933][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.623938][  T343]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   39.623942][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   39.623944][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.623947][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.623954][  T343]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.623959][  T343]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   39.623960][  T343]  ? 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))
[   39.623963][  T343]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   39.623968][  T343]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   39.623973][  T343]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.623975][  T343]  ? 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)
[   39.623977][  T343]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.623979][  T343]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   39.623985][  T343]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.623987][  T343]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.623989][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.623991][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.623993][  T343]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.624014][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.624016][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.624019][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.624021][  T343]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.624023][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.624028][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.624030][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.624032][  T343]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.624034][  T343]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.624038][  T343]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.624041][  T343]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.624044][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.624046][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.624051][  T343]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.624053][  T343]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.624056][  T343]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.624059][  T343]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.624062][  T343]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.624068][  T343]  ? 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))
[   39.624070][  T343]  ? 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))
[   39.624074][  T343]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.624078][  T343]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.624080][  T343]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.624085][  T343]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.624088][  T343]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.624092][  T343]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.624098][  T343]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.624101][  T343]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.624103][  T343]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.624104][  T343]  ? move_addr_to_kernel (net/socket.c:258)
[   39.624111][  T343]  ___sys_sendmsg (net/socket.c:2767)
[   39.624113][  T343]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.624128][  T343]  __sys_sendmsg (net/socket.c:2799)
[   39.624131][  T343]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.624137][  T343]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.624140][  T343]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.624141][  T343]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.624144][  T343]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.624146][  T343] RIP: 0033:0x7fefeaf9054e
[   39.624150][  T343] 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
[   39.624152][  T343] RSP: 002b:00007ffc8ab6edc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.624154][  T343] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fefeaf9054e
[   39.624155][  T343] RDX: 0000000000000000 RSI: 00007ffc8ab6ee70 RDI: 0000000000000005
[   39.624156][  T343] RBP: 00007ffc8ab6edd0 R08: 0000000000000000 R09: 0000000000000000
[   39.624157][  T343] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ad8
[   39.624158][  T343] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8ab6f530
| [   41.304779][  T357] softirqs last disabled at (39188): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   41.304781][  T357] Preemption disabled at:
| [   41.304782][  T357] 0x0
| [   41.304792][  T357] Tainted: [W]=WARN
[   41.304793][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.304794][  T357] Call Trace:
[   41.304796][  T357]  <TASK>
[   41.304798][  T357]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.304804][  T357]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.304808][  T357]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.304812][  T357]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.304817][  T357]  __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))
[   41.304820][  T357]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.304826][  T357]  ? 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)
[   41.304828][  T357]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.304832][  T357]  put_chars (drivers/char/virtio_console.c:1176)
[   41.304835][  T357]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   41.304837][  T357]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.304844][  T357]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.304851][  T357]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.304854][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.304859][  T357]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.304862][  T357]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.304866][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.304869][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.304873][  T357]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.304877][  T357]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.304878][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.304884][  T357]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.304886][  T357]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.304888][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.304889][  T357]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.304893][  T357]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.304895][  T357]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.304898][  T357]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.304902][  T357]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.304903][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.304906][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.304908][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.304912][  T357]  _printk (kernel/printk/printk.c:2504)
[   41.304916][  T357]  ? snapshot_read.cold (user.c:?)
[   41.304923][  T357]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.304927][  T357]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   41.304933][  T357]  br_device_event (net/bridge/br.c:111)
[   41.304935][  T357]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   41.304939][  T357]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.304945][  T357]  notifier_call_chain (kernel/notifier.c:85)
[   41.304951][  T357]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   41.304955][  T357]  ? netif_change_name (net/core/dev.c:1517)
[   41.304957][  T357]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.304960][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.304963][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   41.304965][  T357]  ? write_profile (profile.c:?)
[   41.304970][  T357]  netif_change_flags (net/core/dev.c:9882)
[   41.304974][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.304978][  T357]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.304980][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.304982][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.304984][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.304987][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.304989][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.304991][  T357]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.304994][  T357]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.304996][  T357]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.304997][  T357]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.304999][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.305001][  T357]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   41.305004][  T357]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.305009][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.305011][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.305014][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.305016][  T357]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.305018][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.305019][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.305021][  T357]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.305023][  T357]  ? __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)
[   41.305025][  T357]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.305027][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.305031][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.305036][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.305041][  T357]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.305047][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.305049][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.305054][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.305056][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.305058][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.305060][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.305064][  T357]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.305067][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.305071][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.305072][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.305077][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.305079][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.305083][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.305085][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.305088][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.305094][  T357]  ? 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))
[   41.305096][  T357]  ? 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))
[   41.305100][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.305103][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.305106][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.305110][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.305114][  T357]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.305118][  T357]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.305124][  T357]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.305126][  T357]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.305128][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.305129][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   41.305136][  T357]  ___sys_sendmsg (net/socket.c:2767)
[   41.305139][  T357]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.305154][  T357]  __sys_sendmsg (net/socket.c:2799)
[   41.305157][  T357]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.305163][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.305166][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.305168][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.305171][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.305173][  T357] RIP: 0033:0x7f3b3102854e
[   41.305175][  T357] 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
[   41.305177][  T357] RSP: 002b:00007ffce65005b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.305180][  T357] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b3102854e
[   41.305181][  T357] RDX: 0000000000000000 RSI: 00007ffce6500660 RDI: 0000000000000005
[   41.305182][  T357] RBP: 00007ffce65005c0 R08: 0000000000000000 R09: 0000000000000000
[   41.305183][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914ad9
[   41.305184][  T357] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffce6500d20
| [   43.414974][   T37] softirqs last disabled at (118900): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   43.414976][   T37] Preemption disabled at:
| [   43.414977][   T37] 0x0
| [   43.414985][   T37] Tainted: [W]=WARN
[   43.414986][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.414988][   T37] Workqueue: events_unbound linkwatch_event
[   43.414991][   T37] Call Trace:
[   43.414993][   T37]  <TASK>
[   43.414994][   T37]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.414999][   T37]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.415003][   T37]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.415007][   T37]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.415012][   T37]  __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))
[   43.415014][   T37]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.415020][   T37]  ? 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)
[   43.415022][   T37]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.415026][   T37]  put_chars (drivers/char/virtio_console.c:1176)
[   43.415029][   T37]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.415033][   T37]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.415038][   T37]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.415046][   T37]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.415048][   T37]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.415052][   T37]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.415056][   T37]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.415060][   T37]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.415064][   T37]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.415066][   T37]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.415070][   T37]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.415074][   T37]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.415075][   T37]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.415081][   T37]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.415083][   T37]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.415084][   T37]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.415086][   T37]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.415090][   T37]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.415092][   T37]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.415095][   T37]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.415098][   T37]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.415101][   T37]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.415103][   T37]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.415108][   T37]  _printk (kernel/printk/printk.c:2504)
[   43.415111][   T37]  ? snapshot_read.cold (user.c:?)
[   43.415116][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.415120][   T37]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.415124][   T37]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.415127][   T37]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   43.415129][   T37]  br_port_carrier_check (net/bridge/br_if.c:90)
[   43.415132][   T37]  br_device_event (net/bridge/br.c:101)
[   43.415136][   T37]  ? packet_sendmsg_spkt (af_packet.c:?)
[   43.415137][   T37]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   43.415144][   T37]  notifier_call_chain (kernel/notifier.c:85)
[   43.415150][   T37]  netif_state_change (net/core/dev.c:1625)
[   43.415154][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   43.415159][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   43.415161][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   43.415165][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.415168][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.415172][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   43.415175][   T37]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   43.415179][   T37]  process_one_work (kernel/workqueue.c:3387)
[   43.415185][   T37]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.415187][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.415195][   T37]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.415201][   T37]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.415203][   T37]  kthread (kernel/kthread.c:436)
[   43.415205][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.415209][   T37]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.415212][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.415216][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.415220][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.415223][   T37]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.415226][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.746887][  T365] softirqs last disabled at (54858): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   44.746890][  T365] Preemption disabled at:
| [   44.746890][  T365] vprintk_emit (kernel/printk/printk.c:2471)
| [   44.746898][  T365] Tainted: [W]=WARN
[   44.746898][  T365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.746899][  T365] Call Trace:
[   44.746901][  T365]  <TASK>
[   44.746902][  T365]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   44.746907][  T365]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   44.746909][  T365]  __might_resched.cold (kernel/sched/core.c:9234)
[   44.746913][  T365]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   44.746916][  T365]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   44.746921][  T365]  __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))
[   44.746923][  T365]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.746929][  T365]  ? 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)
[   44.746932][  T365]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   44.746936][  T365]  put_chars (drivers/char/virtio_console.c:1176)
[   44.746939][  T365]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   44.746942][  T365]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   44.746945][  T365]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.746948][  T365]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   44.746952][  T365]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   44.746956][  T365]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.746958][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.746960][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.746964][  T365]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   44.746966][  T365]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   44.746969][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.746971][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.746975][  T365]  console_emit_next_record (kernel/printk/printk.c:3183)
[   44.746978][  T365]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   44.746982][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.746984][  T365]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   44.746988][  T365]  console_flush_one_record (kernel/printk/printk.c:3268)
[   44.746991][  T365]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   44.746993][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.746998][  T365]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   44.747000][  T365]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   44.747001][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.747003][  T365]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   44.747007][  T365]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   44.747009][  T365]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   44.747011][  T365]  vprintk_emit (kernel/printk/printk.c:2479)
[   44.747015][  T365]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   44.747020][  T365]  _printk (kernel/printk/printk.c:2504)
[   44.747023][  T365]  ? snapshot_read.cold (user.c:?)
[   44.747026][  T365]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   44.747028][  T365]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   44.747031][  T365]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   44.747033][  T365]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   44.747036][  T365]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   44.747040][  T365]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   44.747042][  T365]  ? netdev_notice (net/core/dev.c:13194)
[   44.747046][  T365]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   44.747049][  T365]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   44.747053][  T365]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   44.747057][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   44.747061][  T365]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   44.747065][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   44.747067][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.747070][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.747077][  T365]  ? packet_sendmsg_spkt (af_packet.c:?)
[   44.747082][  T365]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   44.747083][  T365]  ? 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))
[   44.747086][  T365]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   44.747091][  T365]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   44.747096][  T365]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   44.747098][  T365]  ? 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)
[   44.747099][  T365]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.747101][  T365]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   44.747108][  T365]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   44.747110][  T365]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.747112][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.747113][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.747116][  T365]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.747136][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.747139][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.747142][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.747144][  T365]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   44.747146][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.747150][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.747152][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.747154][  T365]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.747157][  T365]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   44.747161][  T365]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   44.747163][  T365]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   44.747167][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.747168][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.747173][  T365]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   44.747175][  T365]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   44.747178][  T365]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   44.747181][  T365]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.747185][  T365]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.747191][  T365]  ? 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))
[   44.747192][  T365]  ? 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))
[   44.747196][  T365]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.747200][  T365]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.747202][  T365]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   44.747207][  T365]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   44.747210][  T365]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   44.747214][  T365]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   44.747220][  T365]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   44.747223][  T365]  ? copy_msghdr_from_user (net/socket.c:2650)
[   44.747225][  T365]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   44.747226][  T365]  ? move_addr_to_kernel (net/socket.c:258)
[   44.747233][  T365]  ___sys_sendmsg (net/socket.c:2767)
[   44.747240][  T365]  ? copy_msghdr_from_user (net/socket.c:2619)
[   44.747255][  T365]  __sys_sendmsg (net/socket.c:2799)
[   44.747257][  T365]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   44.747263][  T365]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   44.747266][  T365]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   44.747268][  T365]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   44.747271][  T365]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.747273][  T365] RIP: 0033:0x7f9528e2654e
[   44.747276][  T365] 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
[   44.747278][  T365] RSP: 002b:00007ffe003f22c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.747280][  T365] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f9528e2654e
[   44.747282][  T365] RDX: 0000000000000000 RSI: 00007ffe003f2370 RDI: 0000000000000005
[   44.747283][  T365] RBP: 00007ffe003f22d0 R08: 0000000000000000 R09: 0000000000000000
[   44.747283][  T365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a914add


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