======================================
| [    8.851179][  T181] softirqs last disabled at (29822): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499)
| [    8.851181][  T181] Preemption disabled at:
| [    8.851182][  T181] vprintk_emit (kernel/printk/printk.c:2471)
| [    8.851191][  T181] Tainted: [W]=WARN
[    8.851192][  T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    8.851193][  T181] Call Trace:
[    8.851195][  T181]  <TASK>
[    8.851196][  T181]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[    8.851202][  T181]  ? vprintk_emit (kernel/printk/printk.c:2471)
[    8.851203][  T181]  __might_resched.cold (kernel/sched/core.c:9234)
[    8.851208][  T181]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[    8.851211][  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)
[    8.851217][  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))
[    8.851219][  T181]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.851225][  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)
[    8.851227][  T181]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[    8.851231][  T181]  put_chars (drivers/char/virtio_console.c:1176)
[    8.851233][  T181]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[    8.851235][  T181]  ? __send_to_port (drivers/char/virtio_console.c:654)
[    8.851239][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.851244][  T181]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[    8.851251][  T181]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[    8.851254][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851257][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.851262][  T181]  console_emit_next_record (kernel/printk/printk.c:3183)
[    8.851265][  T181]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[    8.851269][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851270][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.851275][  T181]  console_flush_one_record (kernel/printk/printk.c:3268)
[    8.851278][  T181]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[    8.851280][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.851285][  T181]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[    8.851287][  T181]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[    8.851289][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851291][  T181]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[    8.851294][  T181]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[    8.851296][  T181]  ? vprintk_emit (kernel/printk/printk.c:2478)
[    8.851299][  T181]  vprintk_emit (kernel/printk/printk.c:2479)
[    8.851302][  T181]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[    8.851305][  T181]  ? save_trace (kernel/locking/lockdep.c:589)
[    8.851309][  T181]  _printk (kernel/printk/printk.c:2504)
[    8.851312][  T181]  ? snapshot_read.cold (user.c:?)
[    8.851316][  T181]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[    8.851318][  T181]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[    8.851321][  T181]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[    8.851323][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.851326][  T181]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[    8.851328][  T181]  ? netdev_notice (net/core/dev.c:13194)
[    8.851331][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.851334][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.851336][  T181]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[    8.851340][  T181]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.851342][  T181]  netif_change_name.cold (net/core/dev.c:1507 (discriminator 3))
[    8.851345][  T181]  ? register_netdev (net/core/dev.c:11618)
[    8.851347][  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))
[    8.851352][  T181]  ? netdev_adjacent_rename_links (net/core/dev.c:9598)
[    8.851354][  T181]  ? __kernel_text_address (kernel/extable.c:79)
[    8.851357][  T181]  ? write_profile (profile.c:?)
[    8.851361][  T181]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[    8.851366][  T181]  do_setlink.isra.0 (net/core/rtnetlink.c:3246)
[    8.851369][  T181]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[    8.851372][  T181]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[    8.851373][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    8.851376][  T181]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    8.851379][  T181]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[    8.851382][  T181]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    8.851384][  T181]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[    8.851386][  T181]  ? kasan_save_stack (mm/kasan/common.c:58)
[    8.851388][  T181]  ? kasan_save_stack (mm/kasan/common.c:57)
[    8.851389][  T181]  ? kasan_save_track (mm/kasan/common.c:78)
[    8.851391][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.851394][  T181]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[    8.851397][  T181]  ? ___sys_sendmsg (net/socket.c:2757)
[    8.851401][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.851403][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.851406][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851408][  T181]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[    8.851410][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851411][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851413][  T181]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[    8.851416][  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)
[    8.851419][  T181]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[    8.851421][  T181]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[    8.851425][  T181]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[    8.851426][  T181]  ? nla_get_range_signed (lib/nlattr.c:270)
[    8.851436][  T181]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[    8.851442][  T181]  rtnl_newlink (net/core/rtnetlink.c:4215)
[    8.851448][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.851450][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.851455][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.851457][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.851459][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.851461][  T181]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[    8.851465][  T181]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[    8.851468][  T181]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[    8.851471][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.851473][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.851477][  T181]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[    8.851479][  T181]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[    8.851483][  T181]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[    8.851485][  T181]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    8.851488][  T181]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    8.851494][  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))
[    8.851496][  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))
[    8.851500][  T181]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    8.851504][  T181]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    8.851506][  T181]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[    8.851510][  T181]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[    8.851514][  T181]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[    8.851518][  T181]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[    8.851523][  T181]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[    8.851525][  T181]  ? copy_msghdr_from_user (net/socket.c:2650)
[    8.851527][  T181]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[    8.851529][  T181]  ? move_addr_to_kernel (net/socket.c:258)
[    8.851538][  T181]  ___sys_sendmsg (net/socket.c:2767)
[    8.851541][  T181]  ? copy_msghdr_from_user (net/socket.c:2619)
[    8.851556][  T181]  __sys_sendmsg (net/socket.c:2799)
[    8.851559][  T181]  ? __sys_sendmsg_sock (net/socket.c:2780)
[    8.851565][  T181]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[    8.851568][  T181]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[    8.851570][  T181]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[    8.851573][  T181]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    8.851575][  T181] RIP: 0033:0x7fc77bd6854e
[    8.851579][  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
[    8.851581][  T181] RSP: 002b:00007ffed2040d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    8.851583][  T181] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc77bd6854e
[    8.851585][  T181] RDX: 0000000000000000 RSI: 00007ffed2040dc0 RDI: 0000000000000005
[    8.851586][  T181] RBP: 00007ffed2040d20 R08: 0000000000000000 R09: 0000000000000000
[    8.851587][  T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c86e
[    8.851587][  T181] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed2041480
| [   10.966523][  T226] softirqs last disabled at (32726): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   10.966525][  T226] Preemption disabled at:
| [   10.966526][  T226] 0x0
| [   10.966539][  T226] Tainted: [W]=WARN
[   10.966539][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.966541][  T226] Call Trace:
[   10.966543][  T226]  <TASK>
[   10.966544][  T226]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.966550][  T226]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.966555][  T226]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.966558][  T226]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.966564][  T226]  __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))
[   10.966566][  T226]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.966573][  T226]  ? 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)
[   10.966575][  T226]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.966578][  T226]  put_chars (drivers/char/virtio_console.c:1176)
[   10.966581][  T226]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   10.966584][  T226]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.966591][  T226]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.966598][  T226]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.966601][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.966606][  T226]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.966609][  T226]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.966613][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966616][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.966620][  T226]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.966624][  T226]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.966626][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.966631][  T226]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.966634][  T226]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.966635][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966637][  T226]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.966641][  T226]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.966643][  T226]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.966646][  T226]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.966649][  T226]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.966651][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   10.966653][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.966656][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.966660][  T226]  _printk (kernel/printk/printk.c:2504)
[   10.966664][  T226]  ? snapshot_read.cold (user.c:?)
[   10.966671][  T226]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   10.966675][  T226]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   10.966678][  T226]  br_device_event (net/bridge/br.c:111)
[   10.966681][  T226]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   10.966685][  T226]  ? packet_sendmsg_spkt (af_packet.c:?)
[   10.966690][  T226]  notifier_call_chain (kernel/notifier.c:85)
[   10.966696][  T226]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   10.966700][  T226]  ? netif_change_name (net/core/dev.c:1517)
[   10.966703][  T226]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   10.966706][  T226]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.966709][  T226]  ? __kernel_text_address (kernel/extable.c:79)
[   10.966711][  T226]  ? write_profile (profile.c:?)
[   10.966716][  T226]  netif_change_flags (net/core/dev.c:9882)
[   10.966720][  T226]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   10.966723][  T226]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.966726][  T226]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.966728][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.966730][  T226]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.966733][  T226]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.966735][  T226]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.966737][  T226]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.966740][  T226]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.966742][  T226]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.966743][  T226]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.966746][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.966748][  T226]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   10.966751][  T226]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.966756][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.966758][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.966761][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966763][  T226]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.966765][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966766][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966768][  T226]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.966770][  T226]  ? __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)
[   10.966772][  T226]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.966774][  T226]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.966778][  T226]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.966783][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.966789][  T226]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.966794][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.966797][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.966801][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.966804][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.966806][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.966808][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.966812][  T226]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.966815][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.966818][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.966820][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.966825][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.966827][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.966830][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.966832][  T226]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.966836][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.966842][  T226]  ? 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))
[   10.966843][  T226]  ? 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))
[   10.966847][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.966851][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.966854][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.966858][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.966862][  T226]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.966866][  T226]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.966872][  T226]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.966874][  T226]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.966876][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.966877][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.966884][  T226]  ___sys_sendmsg (net/socket.c:2767)
[   10.966887][  T226]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.966902][  T226]  __sys_sendmsg (net/socket.c:2799)
[   10.966905][  T226]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.966911][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.966914][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.966916][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.966919][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.966921][  T226] RIP: 0033:0x7ffa1fb6554e
[   10.966923][  T226] 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
[   10.966925][  T226] RSP: 002b:00007fff6fbb7eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.966928][  T226] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffa1fb6554e
[   10.966929][  T226] RDX: 0000000000000000 RSI: 00007fff6fbb7f60 RDI: 0000000000000005
[   10.966930][  T226] RBP: 00007fff6fbb7ec0 R08: 0000000000000000 R09: 0000000000000000
[   10.966931][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c870
[   10.966931][  T226] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6fbb8620
| [   13.089999][   T36] softirqs last disabled at (37884): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   13.090003][   T36] Preemption disabled at:
| [   13.090004][   T36] 0x0
| [   13.090017][   T36] Tainted: [W]=WARN
[   13.090019][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.090021][   T36] Workqueue: events_unbound linkwatch_event
[   13.090026][   T36] Call Trace:
[   13.090028][   T36]  <TASK>
[   13.090031][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.090039][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.090045][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.090050][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.090058][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   13.090062][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.090072][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.090075][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.090081][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   13.090086][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.090092][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.090102][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.090114][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.090119][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.090123][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.090131][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.090137][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.090145][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.090148][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.090156][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.090162][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.090165][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.090175][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.090179][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.090181][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.090185][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.090191][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.090194][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.090199][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.090205][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.090209][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.090213][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.090221][   T36]  _printk (kernel/printk/printk.c:2504)
[   13.090226][   T36]  ? snapshot_read.cold (user.c:?)
[   13.090235][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.090242][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   13.090249][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   13.090253][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   13.090256][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   13.090263][   T36]  br_device_event (net/bridge/br.c:101)
[   13.090268][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   13.090271][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   13.090282][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   13.090292][   T36]  netif_state_change (net/core/dev.c:1625)
[   13.090299][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   13.090307][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.090311][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.090317][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.090322][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.090329][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.090334][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.090340][   T36]  process_one_work (kernel/workqueue.c:3387)
[   13.090352][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   13.090356][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.090370][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   13.090383][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   13.090386][   T36]  kthread (kernel/kthread.c:436)
[   13.090390][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.090394][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.090399][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.090405][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   13.090411][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.090416][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   13.090421][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.384413][  T234] softirqs last disabled at (34606): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   14.384416][  T234] Preemption disabled at:
| [   14.384416][  T234] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.384425][  T234] Tainted: [W]=WARN
[   14.384426][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.384428][  T234] Call Trace:
[   14.384429][  T234]  <TASK>
[   14.384431][  T234]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.384436][  T234]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.384438][  T234]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.384442][  T234]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.384446][  T234]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.384451][  T234]  __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))
[   14.384454][  T234]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.384460][  T234]  ? 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)
[   14.384462][  T234]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.384465][  T234]  put_chars (drivers/char/virtio_console.c:1176)
[   14.384468][  T234]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.384477][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.384480][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.384483][  T234]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.384487][  T234]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.384491][  T234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.384493][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384495][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384499][  T234]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.384502][  T234]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   14.384504][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.384506][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.384511][  T234]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.384514][  T234]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.384518][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.384520][  T234]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.384524][  T234]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.384527][  T234]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.384529][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384537][  T234]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.384539][  T234]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.384540][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.384542][  T234]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.384546][  T234]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.384548][  T234]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.384551][  T234]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.384554][  T234]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.384555][  T234]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.384562][  T234]  _printk (kernel/printk/printk.c:2504)
[   14.384565][  T234]  ? snapshot_read.cold (user.c:?)
[   14.384570][  T234]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.384573][  T234]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.384576][  T234]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.384578][  T234]  ? netdev_notice (net/core/dev.c:13194)
[   14.384583][  T234]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   14.384586][  T234]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   14.384590][  T234]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   14.384593][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   14.384598][  T234]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   14.384602][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   14.384604][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.384607][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.384614][  T234]  ? packet_sendmsg_spkt (af_packet.c:?)
[   14.384618][  T234]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   14.384619][  T234]  ? 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))
[   14.384622][  T234]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   14.384627][  T234]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.384632][  T234]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.384634][  T234]  ? 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)
[   14.384636][  T234]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.384638][  T234]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.384644][  T234]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   14.384646][  T234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.384648][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384650][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384652][  T234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.384673][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.384675][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.384678][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.384680][  T234]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.384682][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384687][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.384689][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.384691][  T234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.384693][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.384697][  T234]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   14.384699][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.384703][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.384705][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384709][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.384711][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.384715][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.384718][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.384721][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.384727][  T234]  ? 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))
[   14.384729][  T234]  ? 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))
[   14.384733][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.384736][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.384739][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.384743][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.384747][  T234]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.384751][  T234]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   14.384756][  T234]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   14.384759][  T234]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.384761][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   14.384762][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   14.384769][  T234]  ___sys_sendmsg (net/socket.c:2767)
[   14.384772][  T234]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.384787][  T234]  __sys_sendmsg (net/socket.c:2799)
[   14.384789][  T234]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.384795][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.384798][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.384801][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.384804][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.384806][  T234] RIP: 0033:0x7f4e66c6954e
[   14.384810][  T234] 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
[   14.384811][  T234] RSP: 002b:00007ffd572e3730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.384814][  T234] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f4e66c6954e
[   14.384815][  T234] RDX: 0000000000000000 RSI: 00007ffd572e37e0 RDI: 0000000000000005
[   14.384816][  T234] RBP: 00007ffd572e3740 R08: 0000000000000000 R09: 0000000000000000
[   14.384816][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c873
[   14.384817][  T234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd572e3ea0
| [   16.090494][  T249] softirqs last disabled at (37138): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   16.090496][  T249] Preemption disabled at:
| [   16.090497][  T249] 0x0
| [   16.090507][  T249] Tainted: [W]=WARN
[   16.090508][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   16.090510][  T249] Call Trace:
[   16.090511][  T249]  <TASK>
[   16.090513][  T249]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   16.090518][  T249]  __might_resched.cold (kernel/sched/core.c:9234)
[   16.090523][  T249]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   16.090526][  T249]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   16.090531][  T249]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   16.090537][  T249]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.090543][  T249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   16.090545][  T249]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   16.090548][  T249]  put_chars (drivers/char/virtio_console.c:1176)
[   16.090551][  T249]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   16.090554][  T249]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   16.090560][  T249]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   16.090567][  T249]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   16.090571][  T249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.090575][  T249]  console_emit_next_record (kernel/printk/printk.c:3183)
[   16.090579][  T249]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   16.090583][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090586][  T249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.090590][  T249]  console_flush_one_record (kernel/printk/printk.c:3268)
[   16.090594][  T249]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   16.090596][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.090601][  T249]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   16.090604][  T249]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   16.090605][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090607][  T249]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   16.090611][  T249]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   16.090613][  T249]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   16.090615][  T249]  vprintk_emit (kernel/printk/printk.c:2479)
[   16.090619][  T249]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   16.090620][  T249]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   16.090623][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.090625][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.090630][  T249]  _printk (kernel/printk/printk.c:2504)
[   16.090633][  T249]  ? snapshot_read.cold (user.c:?)
[   16.090641][  T249]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   16.090644][  T249]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   16.090648][  T249]  br_device_event (net/bridge/br.c:111)
[   16.090650][  T249]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   16.090654][  T249]  ? packet_sendmsg_spkt (af_packet.c:?)
[   16.090660][  T249]  notifier_call_chain (kernel/notifier.c:85)
[   16.090666][  T249]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   16.090670][  T249]  ? netif_change_name (net/core/dev.c:1517)
[   16.090672][  T249]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   16.090675][  T249]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   16.090678][  T249]  ? __kernel_text_address (kernel/extable.c:79)
[   16.090680][  T249]  ? write_profile (profile.c:?)
[   16.090685][  T249]  netif_change_flags (net/core/dev.c:9882)
[   16.090688][  T249]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   16.090692][  T249]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   16.090694][  T249]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   16.090696][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   16.090698][  T249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   16.090701][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   16.090703][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   16.090705][  T249]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   16.090708][  T249]  ? kasan_save_stack (mm/kasan/common.c:58)
[   16.090710][  T249]  ? kasan_save_stack (mm/kasan/common.c:57)
[   16.090711][  T249]  ? kasan_save_track (mm/kasan/common.c:78)
[   16.090714][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.090716][  T249]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   16.090719][  T249]  ? ___sys_sendmsg (net/socket.c:2757)
[   16.090723][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.090725][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.090728][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090730][  T249]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   16.090732][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090733][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090735][  T249]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   16.090738][  T249]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   16.090739][  T249]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   16.090741][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   16.090745][  T249]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   16.090750][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   16.090755][  T249]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   16.090761][  T249]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.090763][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.090768][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.090770][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.090772][  T249]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.090775][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   16.090779][  T249]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   16.090781][  T249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   16.090785][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.090786][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.090791][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   16.090793][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   16.090797][  T249]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   16.090799][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   16.090802][  T249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   16.090808][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   16.090810][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   16.090814][  T249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   16.090818][  T249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   16.090820][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   16.090825][  T249]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   16.090828][  T249]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   16.090832][  T249]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   16.090838][  T249]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   16.090840][  T249]  ? copy_msghdr_from_user (net/socket.c:2650)
[   16.090842][  T249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   16.090844][  T249]  ? move_addr_to_kernel (net/socket.c:258)
[   16.090850][  T249]  ___sys_sendmsg (net/socket.c:2767)
[   16.090853][  T249]  ? copy_msghdr_from_user (net/socket.c:2619)
[   16.090868][  T249]  __sys_sendmsg (net/socket.c:2799)
[   16.090871][  T249]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   16.090877][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   16.090880][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   16.090882][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   16.090885][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   16.090887][  T249] RIP: 0033:0x7fde0747c54e
[   16.090889][  T249] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   16.090891][  T249] RSP: 002b:00007fff67f3d4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   16.090893][  T249] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fde0747c54e
[   16.090895][  T249] RDX: 0000000000000000 RSI: 00007fff67f3d590 RDI: 0000000000000005
[   16.090896][  T249] RBP: 00007fff67f3d4f0 R08: 0000000000000000 R09: 0000000000000000
[   16.090896][  T249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c875
[   16.090897][  T249] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff67f3dc50
| [   18.200976][   T36] softirqs last disabled at (48360): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   18.200978][   T36] Preemption disabled at:
| [   18.200979][   T36] 0x0
| [   18.200988][   T36] Tainted: [W]=WARN
[   18.200989][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.200990][   T36] Workqueue: events_unbound linkwatch_event
[   18.200993][   T36] Call Trace:
[   18.200995][   T36]  <TASK>
[   18.200996][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   18.201001][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   18.201005][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   18.201009][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   18.201013][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   18.201016][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.201022][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   18.201025][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   18.201028][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   18.201031][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   18.201035][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   18.201040][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   18.201048][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   18.201050][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.201054][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.201058][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   18.201062][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   18.201066][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.201067][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   18.201072][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   18.201076][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   18.201077][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   18.201083][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   18.201085][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   18.201086][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   18.201088][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   18.201092][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   18.201094][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   18.201097][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   18.201100][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   18.201103][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   18.201105][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   18.201110][   T36]  _printk (kernel/printk/printk.c:2504)
[   18.201113][   T36]  ? snapshot_read.cold (user.c:?)
[   18.201118][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.201122][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   18.201126][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   18.201129][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   18.201131][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   18.201135][   T36]  br_device_event (net/bridge/br.c:101)
[   18.201138][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   18.201140][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   18.201146][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   18.201152][   T36]  netif_state_change (net/core/dev.c:1625)
[   18.201157][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   18.201161][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.201163][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.201167][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.201170][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.201174][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.201177][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   18.201181][   T36]  process_one_work (kernel/workqueue.c:3387)
[   18.201187][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   18.201189][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   18.201197][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   18.201204][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   18.201205][   T36]  kthread (kernel/kthread.c:436)
[   18.201208][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.201211][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.201214][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.201218][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   18.201222][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.201225][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   18.201228][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.422542][  T257] softirqs last disabled at (41842): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   19.422544][  T257] Preemption disabled at:
| [   19.422545][  T257] vprintk_emit (kernel/printk/printk.c:2471)
| [   19.422553][  T257] Tainted: [W]=WARN
[   19.422554][  T257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.422555][  T257] Call Trace:
[   19.422557][  T257]  <TASK>
[   19.422558][  T257]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   19.422563][  T257]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   19.422565][  T257]  __might_resched.cold (kernel/sched/core.c:9234)
[   19.422569][  T257]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   19.422572][  T257]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   19.422577][  T257]  __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))
[   19.422580][  T257]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.422586][  T257]  ? 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)
[   19.422588][  T257]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   19.422591][  T257]  put_chars (drivers/char/virtio_console.c:1176)
[   19.422594][  T257]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   19.422598][  T257]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   19.422601][  T257]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   19.422604][  T257]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   19.422608][  T257]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   19.422612][  T257]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.422614][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422616][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422620][  T257]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   19.422622][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   19.422625][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.422627][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.422631][  T257]  console_emit_next_record (kernel/printk/printk.c:3183)
[   19.422634][  T257]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   19.422638][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.422640][  T257]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   19.422644][  T257]  console_flush_one_record (kernel/printk/printk.c:3268)
[   19.422648][  T257]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   19.422649][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422654][  T257]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   19.422656][  T257]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   19.422658][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.422660][  T257]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   19.422663][  T257]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   19.422665][  T257]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   19.422668][  T257]  vprintk_emit (kernel/printk/printk.c:2479)
[   19.422671][  T257]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   19.422673][  T257]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.422679][  T257]  _printk (kernel/printk/printk.c:2504)
[   19.422682][  T257]  ? snapshot_read.cold (user.c:?)
[   19.422686][  T257]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   19.422689][  T257]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   19.422693][  T257]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   19.422695][  T257]  ? netdev_notice (net/core/dev.c:13194)
[   19.422699][  T257]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   19.422702][  T257]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   19.422706][  T257]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   19.422710][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   19.422715][  T257]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   19.422718][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   19.422720][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.422723][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.422730][  T257]  ? packet_sendmsg_spkt (af_packet.c:?)
[   19.422734][  T257]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   19.422735][  T257]  ? 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))
[   19.422738][  T257]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   19.422743][  T257]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   19.422749][  T257]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   19.422750][  T257]  ? 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)
[   19.422752][  T257]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.422754][  T257]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   19.422761][  T257]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   19.422763][  T257]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.422765][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422766][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422769][  T257]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.422790][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.422792][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.422795][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.422797][  T257]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   19.422799][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422804][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.422806][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.422808][  T257]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.422810][  T257]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   19.422814][  T257]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   19.422817][  T257]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   19.422820][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.422822][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422826][  T257]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   19.422828][  T257]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   19.422832][  T257]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   19.422835][  T257]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   19.422838][  T257]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   19.422844][  T257]  ? 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))
[   19.422846][  T257]  ? 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))
[   19.422850][  T257]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   19.422854][  T257]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.422856][  T257]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   19.422860][  T257]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   19.422864][  T257]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   19.422868][  T257]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   19.422873][  T257]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   19.422876][  T257]  ? copy_msghdr_from_user (net/socket.c:2650)
[   19.422878][  T257]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   19.422880][  T257]  ? move_addr_to_kernel (net/socket.c:258)
[   19.422887][  T257]  ___sys_sendmsg (net/socket.c:2767)
[   19.422889][  T257]  ? copy_msghdr_from_user (net/socket.c:2619)
[   19.422904][  T257]  __sys_sendmsg (net/socket.c:2799)
[   19.422907][  T257]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   19.422912][  T257]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   19.422915][  T257]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   19.422918][  T257]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   19.422921][  T257]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.422923][  T257] RIP: 0033:0x7ff34155f54e
[   19.422926][  T257] 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
[   19.422928][  T257] RSP: 002b:00007ffc5722c3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   19.422930][  T257] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff34155f54e
[   19.422932][  T257] RDX: 0000000000000000 RSI: 00007ffc5722c480 RDI: 0000000000000005
[   19.422933][  T257] RBP: 00007ffc5722c3e0 R08: 0000000000000000 R09: 0000000000000000
[   19.422934][  T257] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c878
[   19.422934][  T257] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc5722cb40
| [   21.144918][  T271] softirqs last disabled at (36246): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   21.144920][  T271] Preemption disabled at:
| [   21.144921][  T271] 0x0
| [   21.144931][  T271] Tainted: [W]=WARN
[   21.144932][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.144934][  T271] Call Trace:
[   21.144935][  T271]  <TASK>
[   21.144937][  T271]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.144943][  T271]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.144947][  T271]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.144950][  T271]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.144956][  T271]  __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))
[   21.144958][  T271]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.144964][  T271]  ? 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)
[   21.144966][  T271]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.144969][  T271]  put_chars (drivers/char/virtio_console.c:1176)
[   21.144972][  T271]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   21.144975][  T271]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.144981][  T271]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.144988][  T271]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.144992][  T271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.144996][  T271]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.144999][  T271]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.145003][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145007][  T271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.145011][  T271]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.145014][  T271]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.145016][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.145021][  T271]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.145023][  T271]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.145025][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145027][  T271]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.145031][  T271]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.145032][  T271]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.145035][  T271]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.145038][  T271]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.145040][  T271]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   21.145043][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.145045][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.145050][  T271]  _printk (kernel/printk/printk.c:2504)
[   21.145053][  T271]  ? snapshot_read.cold (user.c:?)
[   21.145060][  T271]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   21.145064][  T271]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   21.145068][  T271]  br_device_event (net/bridge/br.c:111)
[   21.145070][  T271]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   21.145074][  T271]  ? packet_sendmsg_spkt (af_packet.c:?)
[   21.145080][  T271]  notifier_call_chain (kernel/notifier.c:85)
[   21.145085][  T271]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   21.145090][  T271]  ? netif_change_name (net/core/dev.c:1517)
[   21.145092][  T271]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   21.145095][  T271]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.145098][  T271]  ? __kernel_text_address (kernel/extable.c:79)
[   21.145100][  T271]  ? write_profile (profile.c:?)
[   21.145105][  T271]  netif_change_flags (net/core/dev.c:9882)
[   21.145108][  T271]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   21.145112][  T271]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   21.145114][  T271]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   21.145116][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.145118][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.145121][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.145124][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.145126][  T271]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.145129][  T271]  ? kasan_save_stack (mm/kasan/common.c:58)
[   21.145131][  T271]  ? kasan_save_stack (mm/kasan/common.c:57)
[   21.145132][  T271]  ? kasan_save_track (mm/kasan/common.c:78)
[   21.145134][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.145136][  T271]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   21.145139][  T271]  ? ___sys_sendmsg (net/socket.c:2757)
[   21.145143][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.145146][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.145149][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145151][  T271]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.145152][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145154][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145156][  T271]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   21.145158][  T271]  ? __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)
[   21.145160][  T271]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   21.145162][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   21.145166][  T271]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   21.145171][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   21.145177][  T271]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   21.145182][  T271]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.145185][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.145189][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.145192][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.145194][  T271]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.145196][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   21.145200][  T271]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   21.145203][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   21.145206][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.145208][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.145213][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   21.145215][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   21.145219][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   21.145220][  T271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.145224][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.145230][  T271]  ? 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))
[   21.145231][  T271]  ? 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))
[   21.145236][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.145239][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.145242][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.145246][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   21.145250][  T271]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   21.145254][  T271]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   21.145260][  T271]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   21.145262][  T271]  ? copy_msghdr_from_user (net/socket.c:2650)
[   21.145264][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   21.145265][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   21.145272][  T271]  ___sys_sendmsg (net/socket.c:2767)
[   21.145275][  T271]  ? copy_msghdr_from_user (net/socket.c:2619)
[   21.145290][  T271]  __sys_sendmsg (net/socket.c:2799)
[   21.145293][  T271]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   21.145299][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.145302][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.145304][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.145307][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.145309][  T271] RIP: 0033:0x7f3ffa60354e
[   21.145311][  T271] 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
[   21.145313][  T271] RSP: 002b:00007ffd00e6c6d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.145316][  T271] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3ffa60354e
[   21.145317][  T271] RDX: 0000000000000000 RSI: 00007ffd00e6c780 RDI: 0000000000000005
[   21.145318][  T271] RBP: 00007ffd00e6c6e0 R08: 0000000000000000 R09: 0000000000000000
[   21.145319][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c87a
[   21.145319][  T271] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd00e6ce40
| [   23.259004][   T36] softirqs last disabled at (69698): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   23.259007][   T36] Preemption disabled at:
| [   23.259008][   T36] 0x0
| [   23.259018][   T36] Tainted: [W]=WARN
[   23.259019][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.259021][   T36] Workqueue: events_unbound linkwatch_event
[   23.259025][   T36] Call Trace:
[   23.259027][   T36]  <TASK>
[   23.259028][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   23.259034][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   23.259038][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   23.259042][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   23.259048][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   23.259050][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.259056][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   23.259058][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   23.259062][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   23.259066][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   23.259069][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   23.259075][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   23.259082][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   23.259085][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.259089][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.259093][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   23.259097][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   23.259101][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.259103][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   23.259107][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   23.259111][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   23.259112][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   23.259118][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   23.259120][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   23.259121][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   23.259123][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   23.259127][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   23.259129][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   23.259132][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   23.259136][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   23.259138][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   23.259141][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.259146][   T36]  _printk (kernel/printk/printk.c:2504)
[   23.259149][   T36]  ? snapshot_read.cold (user.c:?)
[   23.259155][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.259159][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   23.259163][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   23.259165][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   23.259167][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   23.259171][   T36]  br_device_event (net/bridge/br.c:101)
[   23.259175][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   23.259176][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   23.259183][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   23.259189][   T36]  netif_state_change (net/core/dev.c:1625)
[   23.259193][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   23.259198][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.259200][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.259204][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.259207][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.259211][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.259214][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.259218][   T36]  process_one_work (kernel/workqueue.c:3387)
[   23.259224][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   23.259226][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   23.259234][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   23.259241][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   23.259242][   T36]  kthread (kernel/kthread.c:436)
[   23.259245][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.259248][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.259251][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.259255][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   23.259259][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.259262][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   23.259265][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.487896][  T279] softirqs last disabled at (46310): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   24.487899][  T279] Preemption disabled at:
| [   24.487900][  T279] vprintk_emit (kernel/printk/printk.c:2471)
| [   24.487908][  T279] Tainted: [W]=WARN
[   24.487909][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.487910][  T279] Call Trace:
[   24.487912][  T279]  <TASK>
[   24.487913][  T279]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   24.487919][  T279]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   24.487920][  T279]  __might_resched.cold (kernel/sched/core.c:9234)
[   24.487925][  T279]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   24.487929][  T279]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   24.487934][  T279]  __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))
[   24.487936][  T279]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.487943][  T279]  ? 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)
[   24.487945][  T279]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   24.487949][  T279]  put_chars (drivers/char/virtio_console.c:1176)
[   24.487952][  T279]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   24.487955][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   24.487959][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.487962][  T279]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   24.487966][  T279]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   24.487970][  T279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.487972][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.487974][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.487978][  T279]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   24.487981][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   24.487984][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.487986][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.487990][  T279]  console_emit_next_record (kernel/printk/printk.c:3183)
[   24.487993][  T279]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   24.487997][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.487999][  T279]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   24.488004][  T279]  console_flush_one_record (kernel/printk/printk.c:3268)
[   24.488007][  T279]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   24.488009][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488014][  T279]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   24.488016][  T279]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   24.488018][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.488020][  T279]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   24.488023][  T279]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   24.488025][  T279]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   24.488028][  T279]  vprintk_emit (kernel/printk/printk.c:2479)
[   24.488032][  T279]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   24.488033][  T279]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.488040][  T279]  _printk (kernel/printk/printk.c:2504)
[   24.488044][  T279]  ? snapshot_read.cold (user.c:?)
[   24.488048][  T279]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   24.488051][  T279]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   24.488054][  T279]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   24.488057][  T279]  ? netdev_notice (net/core/dev.c:13194)
[   24.488061][  T279]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   24.488064][  T279]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   24.488068][  T279]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   24.488072][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   24.488077][  T279]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   24.488081][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   24.488083][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.488086][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.488093][  T279]  ? packet_sendmsg_spkt (af_packet.c:?)
[   24.488097][  T279]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   24.488099][  T279]  ? 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))
[   24.488101][  T279]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   24.488106][  T279]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   24.488112][  T279]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   24.488114][  T279]  ? 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)
[   24.488116][  T279]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.488117][  T279]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   24.488124][  T279]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   24.488126][  T279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.488128][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488130][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488132][  T279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.488154][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.488156][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.488159][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.488162][  T279]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   24.488164][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488169][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.488171][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.488173][  T279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.488175][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   24.488179][  T279]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   24.488182][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   24.488185][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.488187][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488192][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   24.488194][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   24.488197][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   24.488200][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.488203][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.488210][  T279]  ? 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))
[   24.488211][  T279]  ? 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))
[   24.488216][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.488219][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.488222][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   24.488227][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   24.488230][  T279]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   24.488234][  T279]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   24.488240][  T279]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   24.488243][  T279]  ? copy_msghdr_from_user (net/socket.c:2650)
[   24.488245][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   24.488247][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   24.488254][  T279]  ___sys_sendmsg (net/socket.c:2767)
[   24.488256][  T279]  ? copy_msghdr_from_user (net/socket.c:2619)
[   24.488272][  T279]  __sys_sendmsg (net/socket.c:2799)
[   24.488275][  T279]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   24.488281][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   24.488284][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   24.488286][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   24.488290][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.488292][  T279] RIP: 0033:0x7f675e8ba54e
[   24.488296][  T279] 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
[   24.488297][  T279] RSP: 002b:00007ffe1ac41dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.488300][  T279] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f675e8ba54e
[   24.488301][  T279] RDX: 0000000000000000 RSI: 00007ffe1ac41e80 RDI: 0000000000000005
[   24.488302][  T279] RBP: 00007ffe1ac41de0 R08: 0000000000000000 R09: 0000000000000000
[   24.488303][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c87d
[   24.488304][  T279] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1ac42540
| [   25.945711][   T12] softirqs last disabled at (14144): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   25.945714][   T12] Preemption disabled at:
| [   25.945715][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.945723][   T12] Tainted: [W]=WARN
[   25.945724][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.945726][   T12] Workqueue: bond0 bond_mii_monitor
[   25.945729][   T12] Call Trace:
[   25.945730][   T12]  <TASK>
[   25.945733][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.945738][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.945740][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.945744][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.945748][   T12]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   25.945753][   T12]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   25.945756][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.945761][   T12]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.945763][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.945767][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   25.945770][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.945772][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.945775][   T12]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.945778][   T12]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   25.945783][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.945787][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945789][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945793][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.945797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945799][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945804][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.945807][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.945811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945813][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945817][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.945821][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.945822][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945827][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.945830][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.945831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945833][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.945837][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.945839][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.945842][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.945845][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.945846][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.945850][   T12]  ? packet_notifier (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/packet/af_packet.c:4261 (discriminator 2))
[   25.945855][   T12]  _printk (kernel/printk/printk.c:2504)
[   25.945858][   T12]  ? snapshot_read.cold (user.c:?)
[   25.945863][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   25.945866][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   25.945869][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   25.945871][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   25.945875][   T12]  ? netdev_offload_xstats_get (net/core/dev.c:9434)
[   25.945882][   T12]  bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6))
[   25.945888][   T12]  ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901)
[   25.945890][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   25.945892][   T12]  ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8))
[   25.945896][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   25.945897][   T12]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   25.945902][   T12]  bond_mii_monitor (drivers/net/bonding/bond_main.c:2927)
[   25.945904][   T12]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   25.945906][   T12]  ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850)
[   25.945908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945909][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.945912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.945914][   T12]  ? process_one_work (kernel/workqueue.c:3386)
[   25.945916][   T12]  process_one_work (kernel/workqueue.c:3387)
[   25.945922][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.945924][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   25.945932][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.945938][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.945940][   T12]  kthread (kernel/kthread.c:436)
[   25.945942][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.945946][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.945949][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.945953][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.945956][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.945960][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.945963][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   28.219134][   T36] softirqs last disabled at (90352): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   28.219137][   T36] Preemption disabled at:
| [   28.219138][   T36] 0x0
| [   28.219148][   T36] Tainted: [W]=WARN
[   28.219148][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   28.219150][   T36] Workqueue: events_unbound linkwatch_event
[   28.219154][   T36] Call Trace:
[   28.219156][   T36]  <TASK>
[   28.219158][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   28.219163][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   28.219168][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   28.219171][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   28.219177][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   28.219179][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.219185][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   28.219188][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   28.219191][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   28.219195][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   28.219198][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   28.219204][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   28.219211][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   28.219214][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.219217][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.219222][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   28.219225][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   28.219229][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.219231][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   28.219235][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   28.219239][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   28.219240][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   28.219246][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   28.219248][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   28.219250][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   28.219252][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   28.219256][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   28.219257][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   28.219260][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   28.219264][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   28.219266][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   28.219269][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   28.219274][   T36]  _printk (kernel/printk/printk.c:2504)
[   28.219277][   T36]  ? snapshot_read.cold (user.c:?)
[   28.219282][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.219286][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   28.219290][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   28.219293][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   28.219295][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   28.219299][   T36]  br_device_event (net/bridge/br.c:101)
[   28.219302][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   28.219304][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   28.219310][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   28.219316][   T36]  netif_state_change (net/core/dev.c:1625)
[   28.219320][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   28.219325][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   28.219327][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   28.219331][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   28.219334][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.219338][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   28.219341][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   28.219345][   T36]  process_one_work (kernel/workqueue.c:3387)
[   28.219351][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   28.219353][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   28.219361][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   28.219367][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   28.219369][   T36]  kthread (kernel/kthread.c:436)
[   28.219371][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   28.219374][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.219378][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   28.219382][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   28.219385][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   28.219389][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   28.219392][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   29.499994][  T302] softirqs last disabled at (43252): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   29.499998][  T302] Preemption disabled at:
| [   29.499998][  T302] vprintk_emit (kernel/printk/printk.c:2471)
| [   29.500010][  T302] Tainted: [W]=WARN
[   29.500011][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   29.500013][  T302] Call Trace:
[   29.500015][  T302]  <TASK>
[   29.500017][  T302]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   29.500024][  T302]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   29.500026][  T302]  __might_resched.cold (kernel/sched/core.c:9234)
[   29.500033][  T302]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   29.500037][  T302]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   29.500045][  T302]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   29.500048][  T302]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.500057][  T302]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   29.500060][  T302]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   29.500066][  T302]  put_chars (drivers/char/virtio_console.c:1176)
[   29.500070][  T302]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   29.500076][  T302]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   29.500081][  T302]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   29.500085][  T302]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   29.500092][  T302]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   29.500096][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.500099][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500102][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500110][  T302]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   29.500114][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   29.500118][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.500121][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.500128][  T302]  console_emit_next_record (kernel/printk/printk.c:3183)
[   29.500133][  T302]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   29.500140][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.500143][  T302]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   29.500150][  T302]  console_flush_one_record (kernel/printk/printk.c:3268)
[   29.500157][  T302]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   29.500159][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500168][  T302]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   29.500172][  T302]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   29.500174][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.500177][  T302]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   29.500184][  T302]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   29.500186][  T302]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   29.500191][  T302]  vprintk_emit (kernel/printk/printk.c:2479)
[   29.500197][  T302]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   29.500199][  T302]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.500209][  T302]  _printk (kernel/printk/printk.c:2504)
[   29.500214][  T302]  ? snapshot_read.cold (user.c:?)
[   29.500221][  T302]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   29.500226][  T302]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   29.500232][  T302]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   29.500235][  T302]  ? netdev_notice (net/core/dev.c:13194)
[   29.500243][  T302]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   29.500247][  T302]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   29.500254][  T302]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   29.500259][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   29.500268][  T302]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   29.500272][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   29.500275][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.500280][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.500293][  T302]  ? packet_sendmsg_spkt (af_packet.c:?)
[   29.500299][  T302]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   29.500302][  T302]  ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1))
[   29.500306][  T302]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   29.500315][  T302]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   29.500324][  T302]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   29.500326][  T302]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   29.500330][  T302]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   29.500333][  T302]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   29.500344][  T302]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   29.500347][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.500351][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500353][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500357][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.500396][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.500399][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.500404][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.500407][  T302]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   29.500411][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500419][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.500422][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.500426][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.500429][  T302]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   29.500436][  T302]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   29.500440][  T302]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   29.500446][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.500448][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500456][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   29.500459][  T302]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   29.500466][  T302]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   29.500470][  T302]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   29.500475][  T302]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   29.500486][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   29.500488][  T302]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   29.500495][  T302]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   29.500502][  T302]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   29.500506][  T302]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   29.500514][  T302]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   29.500520][  T302]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   29.500527][  T302]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   29.500538][  T302]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   29.500543][  T302]  ? copy_msghdr_from_user (net/socket.c:2650)
[   29.500546][  T302]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   29.500548][  T302]  ? move_addr_to_kernel (net/socket.c:258)
[   29.500561][  T302]  ___sys_sendmsg (net/socket.c:2767)
[   29.500565][  T302]  ? copy_msghdr_from_user (net/socket.c:2619)
[   29.500597][  T302]  __sys_sendmsg (net/socket.c:2799)
[   29.500601][  T302]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   29.500612][  T302]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   29.500617][  T302]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   29.500621][  T302]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   29.500626][  T302]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   29.500629][  T302] RIP: 0033:0x7f638104454e
[   29.500634][  T302] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   29.500637][  T302] RSP: 002b:00007ffdf7e04c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   29.500640][  T302] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f638104454e
[   29.500642][  T302] RDX: 0000000000000000 RSI: 00007ffdf7e04d40 RDI: 0000000000000005
[   29.500643][  T302] RBP: 00007ffdf7e04ca0 R08: 0000000000000000 R09: 0000000000000000
[   29.500645][  T302] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c882
[   29.500646][  T302] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdf7e05400
| [   31.326114][  T316] softirqs last disabled at (37722): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   31.326117][  T316] Preemption disabled at:
| [   31.326118][  T316] 0x0
| [   31.326128][  T316] Tainted: [W]=WARN
[   31.326129][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.326131][  T316] Call Trace:
[   31.326132][  T316]  <TASK>
[   31.326134][  T316]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   31.326140][  T316]  __might_resched.cold (kernel/sched/core.c:9234)
[   31.326144][  T316]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   31.326148][  T316]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   31.326153][  T316]  __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))
[   31.326155][  T316]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.326162][  T316]  ? 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)
[   31.326164][  T316]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   31.326167][  T316]  put_chars (drivers/char/virtio_console.c:1176)
[   31.326170][  T316]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   31.326172][  T316]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   31.326179][  T316]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   31.326186][  T316]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   31.326189][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.326194][  T316]  console_emit_next_record (kernel/printk/printk.c:3183)
[   31.326198][  T316]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   31.326202][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326205][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.326209][  T316]  console_flush_one_record (kernel/printk/printk.c:3268)
[   31.326213][  T316]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   31.326214][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.326220][  T316]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   31.326222][  T316]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   31.326224][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326226][  T316]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   31.326229][  T316]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   31.326231][  T316]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   31.326234][  T316]  vprintk_emit (kernel/printk/printk.c:2479)
[   31.326238][  T316]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   31.326239][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   31.326242][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.326244][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.326249][  T316]  _printk (kernel/printk/printk.c:2504)
[   31.326252][  T316]  ? snapshot_read.cold (user.c:?)
[   31.326260][  T316]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   31.326263][  T316]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   31.326267][  T316]  br_device_event (net/bridge/br.c:111)
[   31.326270][  T316]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   31.326274][  T316]  ? packet_sendmsg_spkt (af_packet.c:?)
[   31.326279][  T316]  notifier_call_chain (kernel/notifier.c:85)
[   31.326285][  T316]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   31.326290][  T316]  ? netif_change_name (net/core/dev.c:1517)
[   31.326292][  T316]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   31.326295][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.326298][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   31.326300][  T316]  ? write_profile (profile.c:?)
[   31.326305][  T316]  netif_change_flags (net/core/dev.c:9882)
[   31.326308][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   31.326312][  T316]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   31.326315][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   31.326316][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.326319][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.326322][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   31.326324][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.326326][  T316]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   31.326329][  T316]  ? kasan_save_stack (mm/kasan/common.c:58)
[   31.326331][  T316]  ? kasan_save_stack (mm/kasan/common.c:57)
[   31.326332][  T316]  ? kasan_save_track (mm/kasan/common.c:78)
[   31.326335][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.326337][  T316]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   31.326339][  T316]  ? ___sys_sendmsg (net/socket.c:2757)
[   31.326344][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.326346][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.326349][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326351][  T316]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   31.326353][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326355][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326357][  T316]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   31.326359][  T316]  ? __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)
[   31.326361][  T316]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   31.326363][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   31.326367][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   31.326372][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   31.326377][  T316]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   31.326383][  T316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.326386][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.326390][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.326392][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.326395][  T316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.326397][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   31.326401][  T316]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   31.326404][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   31.326407][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.326409][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.326413][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   31.326416][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   31.326419][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   31.326421][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.326425][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.326431][  T316]  ? 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))
[   31.326432][  T316]  ? 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))
[   31.326437][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.326440][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.326443][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   31.326447][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   31.326451][  T316]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   31.326455][  T316]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   31.326461][  T316]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   31.326463][  T316]  ? copy_msghdr_from_user (net/socket.c:2650)
[   31.326465][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   31.326466][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   31.326473][  T316]  ___sys_sendmsg (net/socket.c:2767)
[   31.326476][  T316]  ? copy_msghdr_from_user (net/socket.c:2619)
[   31.326491][  T316]  __sys_sendmsg (net/socket.c:2799)
[   31.326494][  T316]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   31.326500][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   31.326503][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   31.326505][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   31.326508][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.326510][  T316] RIP: 0033:0x7fbeecefb54e
[   31.326513][  T316] 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
[   31.326514][  T316] RSP: 002b:00007ffddfaf1e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.326517][  T316] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbeecefb54e
[   31.326518][  T316] RDX: 0000000000000000 RSI: 00007ffddfaf1ed0 RDI: 0000000000000005
[   31.326519][  T316] RBP: 00007ffddfaf1e30 R08: 0000000000000000 R09: 0000000000000000
[   31.326520][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c884
[   31.326521][  T316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffddfaf2590
| [   33.458096][   T94] softirqs last disabled at (58974): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   33.458099][   T94] Preemption disabled at:
| [   33.458100][   T94] 0x0
| [   33.458110][   T94] Tainted: [W]=WARN
[   33.458111][   T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.458113][   T94] Workqueue: events_unbound linkwatch_event
[   33.458116][   T94] Call Trace:
[   33.458118][   T94]  <TASK>
[   33.458120][   T94]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   33.458126][   T94]  __might_resched.cold (kernel/sched/core.c:9234)
[   33.458130][   T94]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   33.458134][   T94]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   33.458139][   T94]  __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))
[   33.458142][   T94]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.458148][   T94]  ? 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)
[   33.458150][   T94]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   33.458154][   T94]  put_chars (drivers/char/virtio_console.c:1176)
[   33.458157][   T94]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   33.458161][   T94]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   33.458166][   T94]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   33.458174][   T94]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   33.458177][   T94]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.458180][   T94]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.458185][   T94]  console_emit_next_record (kernel/printk/printk.c:3183)
[   33.458188][   T94]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   33.458192][   T94]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.458194][   T94]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   33.458198][   T94]  console_flush_one_record (kernel/printk/printk.c:3268)
[   33.458202][   T94]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   33.458204][   T94]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   33.458209][   T94]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   33.458212][   T94]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   33.458213][   T94]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   33.458215][   T94]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   33.458219][   T94]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   33.458221][   T94]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   33.458224][   T94]  vprintk_emit (kernel/printk/printk.c:2479)
[   33.458227][   T94]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   33.458230][   T94]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   33.458232][   T94]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.458237][   T94]  _printk (kernel/printk/printk.c:2504)
[   33.458241][   T94]  ? snapshot_read.cold (user.c:?)
[   33.458246][   T94]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.458250][   T94]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   33.458254][   T94]  br_init_port (net/bridge/br_stp_if.c:39)
[   33.458257][   T94]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   33.458259][   T94]  br_port_carrier_check (net/bridge/br_if.c:90)
[   33.458263][   T94]  br_device_event (net/bridge/br.c:101)
[   33.458266][   T94]  ? packet_sendmsg_spkt (af_packet.c:?)
[   33.458268][   T94]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   33.458274][   T94]  notifier_call_chain (kernel/notifier.c:85)
[   33.458280][   T94]  netif_state_change (net/core/dev.c:1625)
[   33.458285][   T94]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   33.458289][   T94]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   33.458292][   T94]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   33.458295][   T94]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.458298][   T94]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.458303][   T94]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   33.458305][   T94]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   33.458309][   T94]  process_one_work (kernel/workqueue.c:3387)
[   33.458315][   T94]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   33.458318][   T94]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   33.458325][   T94]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   33.458332][   T94]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   33.458333][   T94]  kthread (kernel/kthread.c:436)
[   33.458336][   T94]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.458339][   T94]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.458342][   T94]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.458347][   T94]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   33.458350][   T94]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.458353][   T94]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   33.458357][   T94]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.750398][  T324] softirqs last disabled at (41442): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   34.750402][  T324] Preemption disabled at:
| [   34.750403][  T324] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.750414][  T324] Tainted: [W]=WARN
[   34.750415][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.750417][  T324] Call Trace:
[   34.750420][  T324]  <TASK>
[   34.750422][  T324]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.750428][  T324]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.750431][  T324]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.750437][  T324]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.750442][  T324]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   34.750449][  T324]  __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))
[   34.750453][  T324]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.750462][  T324]  ? 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)
[   34.750464][  T324]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.750470][  T324]  put_chars (drivers/char/virtio_console.c:1176)
[   34.750475][  T324]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.750480][  T324]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   34.750485][  T324]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.750489][  T324]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   34.750495][  T324]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.750500][  T324]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.750503][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750506][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750513][  T324]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.750517][  T324]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   34.750521][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750525][  T324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.750532][  T324]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.750539][  T324]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.750546][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750550][  T324]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.750556][  T324]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.750563][  T324]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.750565][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750574][  T324]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.750578][  T324]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.750580][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.750583][  T324]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.750590][  T324]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.750592][  T324]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.750597][  T324]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.750603][  T324]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.750605][  T324]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.750616][  T324]  _printk (kernel/printk/printk.c:2504)
[   34.750620][  T324]  ? snapshot_read.cold (user.c:?)
[   34.750628][  T324]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   34.750636][  T324]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   34.750642][  T324]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   34.750645][  T324]  ? netdev_notice (net/core/dev.c:13194)
[   34.750653][  T324]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   34.750658][  T324]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   34.750665][  T324]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   34.750669][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   34.750678][  T324]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   34.750683][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   34.750686][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750691][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750703][  T324]  ? packet_sendmsg_spkt (af_packet.c:?)
[   34.750710][  T324]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   34.750712][  T324]  ? 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))
[   34.750717][  T324]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   34.750725][  T324]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   34.750734][  T324]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   34.750737][  T324]  ? 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)
[   34.750740][  T324]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   34.750743][  T324]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   34.750754][  T324]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   34.750757][  T324]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.750760][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750763][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750766][  T324]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.750804][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750807][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750812][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750815][  T324]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   34.750819][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750827][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750830][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750833][  T324]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.750837][  T324]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   34.750843][  T324]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   34.750848][  T324]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   34.750853][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.750856][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750864][  T324]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   34.750867][  T324]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   34.750873][  T324]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   34.750877][  T324]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.750883][  T324]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.750894][  T324]  ? 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))
[   34.750896][  T324]  ? 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))
[   34.750904][  T324]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.750910][  T324]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.750915][  T324]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   34.750922][  T324]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   34.750928][  T324]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   34.750935][  T324]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   34.750944][  T324]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   34.750948][  T324]  ? copy_msghdr_from_user (net/socket.c:2650)
[   34.750952][  T324]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   34.750954][  T324]  ? move_addr_to_kernel (net/socket.c:258)
[   34.750966][  T324]  ___sys_sendmsg (net/socket.c:2767)
[   34.750970][  T324]  ? copy_msghdr_from_user (net/socket.c:2619)
[   34.750998][  T324]  __sys_sendmsg (net/socket.c:2799)
[   34.751002][  T324]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   34.751013][  T324]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.751018][  T324]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   34.751021][  T324]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   34.751026][  T324]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.751030][  T324] RIP: 0033:0x7ffab1d1754e
[   34.751035][  T324] 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
[   34.751037][  T324] RSP: 002b:00007ffc8054db10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.751041][  T324] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffab1d1754e
[   34.751043][  T324] RDX: 0000000000000000 RSI: 00007ffc8054dbc0 RDI: 0000000000000005
[   34.751044][  T324] RBP: 00007ffc8054db20 R08: 0000000000000000 R09: 0000000000000000
[   34.751045][  T324] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c888
[   34.751047][  T324] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc8054e280
| [   36.600042][  T338] softirqs last disabled at (42944): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   36.600046][  T338] Preemption disabled at:
| [   36.600047][  T338] 0x0
| [   36.600060][  T338] Tainted: [W]=WARN
[   36.600061][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.600064][  T338] Call Trace:
[   36.600066][  T338]  <TASK>
[   36.600068][  T338]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   36.600076][  T338]  __might_resched.cold (kernel/sched/core.c:9234)
[   36.600082][  T338]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   36.600088][  T338]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   36.600095][  T338]  __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))
[   36.600099][  T338]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.600108][  T338]  ? 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)
[   36.600111][  T338]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   36.600117][  T338]  put_chars (drivers/char/virtio_console.c:1176)
[   36.600120][  T338]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   36.600124][  T338]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   36.600136][  T338]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   36.600148][  T338]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   36.600153][  T338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.600160][  T338]  console_emit_next_record (kernel/printk/printk.c:3183)
[   36.600166][  T338]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   36.600173][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600178][  T338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.600185][  T338]  console_flush_one_record (kernel/printk/printk.c:3268)
[   36.600191][  T338]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   36.600194][  T338]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.600204][  T338]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   36.600208][  T338]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   36.600210][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600213][  T338]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   36.600219][  T338]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   36.600222][  T338]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   36.600227][  T338]  vprintk_emit (kernel/printk/printk.c:2479)
[   36.600233][  T338]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   36.600235][  T338]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   36.600239][  T338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.600243][  T338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.600250][  T338]  _printk (kernel/printk/printk.c:2504)
[   36.600255][  T338]  ? snapshot_read.cold (user.c:?)
[   36.600268][  T338]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   36.600275][  T338]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   36.600281][  T338]  br_device_event (net/bridge/br.c:111)
[   36.600284][  T338]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   36.600289][  T338]  ? packet_sendmsg_spkt (af_packet.c:?)
[   36.600299][  T338]  notifier_call_chain (kernel/notifier.c:85)
[   36.600309][  T338]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   36.600316][  T338]  ? netif_change_name (net/core/dev.c:1517)
[   36.600320][  T338]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   36.600325][  T338]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.600330][  T338]  ? __kernel_text_address (kernel/extable.c:79)
[   36.600333][  T338]  ? write_profile (profile.c:?)
[   36.600340][  T338]  netif_change_flags (net/core/dev.c:9882)
[   36.600347][  T338]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   36.600353][  T338]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   36.600356][  T338]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   36.600359][  T338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.600362][  T338]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.600366][  T338]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   36.600370][  T338]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.600373][  T338]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   36.600378][  T338]  ? kasan_save_stack (mm/kasan/common.c:58)
[   36.600381][  T338]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.600383][  T338]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.600387][  T338]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.600390][  T338]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   36.600394][  T338]  ? ___sys_sendmsg (net/socket.c:2757)
[   36.600401][  T338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.600404][  T338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.600408][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600411][  T338]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   36.600414][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600416][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600419][  T338]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   36.600424][  T338]  ? __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)
[   36.600426][  T338]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   36.600430][  T338]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   36.600436][  T338]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   36.600446][  T338]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   36.600456][  T338]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   36.600467][  T338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.600470][  T338]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.600479][  T338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.600482][  T338]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.600486][  T338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.600489][  T338]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   36.600496][  T338]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   36.600500][  T338]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   36.600506][  T338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.600508][  T338]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.600517][  T338]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   36.600520][  T338]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   36.600526][  T338]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   36.600529][  T338]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.600537][  T338]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.600548][  T338]  ? 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))
[   36.600551][  T338]  ? 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))
[   36.600559][  T338]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.600565][  T338]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.600570][  T338]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   36.600578][  T338]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   36.600584][  T338]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   36.600591][  T338]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   36.600600][  T338]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   36.600603][  T338]  ? copy_msghdr_from_user (net/socket.c:2650)
[   36.600607][  T338]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   36.600609][  T338]  ? move_addr_to_kernel (net/socket.c:258)
[   36.600622][  T338]  ___sys_sendmsg (net/socket.c:2767)
[   36.600627][  T338]  ? copy_msghdr_from_user (net/socket.c:2619)
[   36.600660][  T338]  __sys_sendmsg (net/socket.c:2799)
[   36.600665][  T338]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   36.600676][  T338]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   36.600681][  T338]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   36.600684][  T338]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   36.600689][  T338]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.600693][  T338] RIP: 0033:0x7f0194c4854e
[   36.600696][  T338] 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
[   36.600699][  T338] RSP: 002b:00007ffef9ab8fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.600702][  T338] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0194c4854e
[   36.600704][  T338] RDX: 0000000000000000 RSI: 00007ffef9ab9060 RDI: 0000000000000005
[   36.600706][  T338] RBP: 00007ffef9ab8fc0 R08: 0000000000000000 R09: 0000000000000000
[   36.600707][  T338] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c88a
[   36.600709][  T338] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffef9ab9720
| [   38.731524][   T36] softirqs last disabled at (115076): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   38.731527][   T36] Preemption disabled at:
| [   38.731528][   T36] 0x0
| [   38.731541][   T36] Tainted: [W]=WARN
[   38.731542][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.731543][   T36] Workqueue: events_unbound linkwatch_event
[   38.731547][   T36] Call Trace:
[   38.731549][   T36]  <TASK>
[   38.731550][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.731556][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.731561][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.731564][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.731570][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.731572][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.731579][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.731581][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.731584][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   38.731588][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.731591][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   38.731597][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.731605][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.731607][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.731611][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.731615][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.731619][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.731623][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.731625][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.731629][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.731633][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.731634][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.731640][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.731642][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.731644][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.731646][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   38.731650][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.731651][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.731655][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.731658][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.731660][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.731666][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.731671][   T36]  _printk (kernel/printk/printk.c:2504)
[   38.731675][   T36]  ? snapshot_read.cold (user.c:?)
[   38.731680][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.731684][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.731688][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   38.731691][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   38.731693][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   38.731697][   T36]  br_device_event (net/bridge/br.c:101)
[   38.731700][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.731702][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   38.731709][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   38.731715][   T36]  netif_state_change (net/core/dev.c:1625)
[   38.731719][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   38.731724][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   38.731726][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   38.731730][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   38.731733][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.731738][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   38.731740][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   38.731744][   T36]  process_one_work (kernel/workqueue.c:3387)
[   38.731750][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.731753][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.731760][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.731767][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.731769][   T36]  kthread (kernel/kthread.c:436)
[   38.731771][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.731775][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.731778][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.731782][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.731786][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.731789][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.731792][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   39.967555][  T346] softirqs last disabled at (44482): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   39.967558][  T346] Preemption disabled at:
| [   39.967558][  T346] vprintk_emit (kernel/printk/printk.c:2471)
| [   39.967567][  T346] Tainted: [W]=WARN
[   39.967567][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   39.967569][  T346] Call Trace:
[   39.967571][  T346]  <TASK>
[   39.967573][  T346]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   39.967577][  T346]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   39.967579][  T346]  __might_resched.cold (kernel/sched/core.c:9234)
[   39.967583][  T346]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   39.967587][  T346]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   39.967592][  T346]  __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))
[   39.967595][  T346]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.967601][  T346]  ? 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)
[   39.967603][  T346]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   39.967606][  T346]  put_chars (drivers/char/virtio_console.c:1176)
[   39.967609][  T346]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   39.967612][  T346]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   39.967616][  T346]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   39.967619][  T346]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   39.967623][  T346]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   39.967627][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.967629][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967631][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967635][  T346]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   39.967637][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   39.967640][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.967642][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.967646][  T346]  console_emit_next_record (kernel/printk/printk.c:3183)
[   39.967649][  T346]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   39.967653][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.967655][  T346]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   39.967659][  T346]  console_flush_one_record (kernel/printk/printk.c:3268)
[   39.967663][  T346]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   39.967664][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967669][  T346]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   39.967671][  T346]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   39.967676][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.967678][  T346]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   39.967682][  T346]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   39.967684][  T346]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   39.967687][  T346]  vprintk_emit (kernel/printk/printk.c:2479)
[   39.967690][  T346]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   39.967691][  T346]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.967698][  T346]  _printk (kernel/printk/printk.c:2504)
[   39.967701][  T346]  ? snapshot_read.cold (user.c:?)
[   39.967705][  T346]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   39.967708][  T346]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   39.967712][  T346]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   39.967714][  T346]  ? netdev_notice (net/core/dev.c:13194)
[   39.967718][  T346]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   39.967721][  T346]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   39.967725][  T346]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   39.967729][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   39.967734][  T346]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   39.967737][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   39.967739][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.967742][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.967749][  T346]  ? packet_sendmsg_spkt (af_packet.c:?)
[   39.967753][  T346]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   39.967755][  T346]  ? 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))
[   39.967758][  T346]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   39.967762][  T346]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   39.967768][  T346]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   39.967770][  T346]  ? 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)
[   39.967772][  T346]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   39.967773][  T346]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   39.967780][  T346]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   39.967782][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.967784][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967786][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967788][  T346]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.967809][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.967811][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.967814][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.967816][  T346]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   39.967818][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967823][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.967825][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.967827][  T346]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.967829][  T346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   39.967833][  T346]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   39.967836][  T346]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   39.967839][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.967841][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967845][  T346]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   39.967848][  T346]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   39.967851][  T346]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   39.967854][  T346]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   39.967857][  T346]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   39.967863][  T346]  ? 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))
[   39.967865][  T346]  ? 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))
[   39.967869][  T346]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   39.967873][  T346]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   39.967875][  T346]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   39.967880][  T346]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   39.967883][  T346]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   39.967887][  T346]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   39.967893][  T346]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   39.967896][  T346]  ? copy_msghdr_from_user (net/socket.c:2650)
[   39.967898][  T346]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   39.967900][  T346]  ? move_addr_to_kernel (net/socket.c:258)
[   39.967906][  T346]  ___sys_sendmsg (net/socket.c:2767)
[   39.967909][  T346]  ? copy_msghdr_from_user (net/socket.c:2619)
[   39.967924][  T346]  __sys_sendmsg (net/socket.c:2799)
[   39.967926][  T346]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   39.967932][  T346]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   39.967935][  T346]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   39.967938][  T346]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   39.967941][  T346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   39.967943][  T346] RIP: 0033:0x7f8b5a47b54e
[   39.967947][  T346] 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
[   39.967949][  T346] RSP: 002b:00007ffded8da330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   39.967951][  T346] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8b5a47b54e
[   39.967953][  T346] RDX: 0000000000000000 RSI: 00007ffded8da3e0 RDI: 0000000000000005
[   39.967954][  T346] RBP: 00007ffded8da340 R08: 0000000000000000 R09: 0000000000000000
[   39.967954][  T346] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c88d
[   39.967955][  T346] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffded8daaa0
| [   41.627887][  T360] softirqs last disabled at (37036): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   41.627890][  T360] Preemption disabled at:
| [   41.627891][  T360] 0x0
| [   41.627901][  T360] Tainted: [W]=WARN
[   41.627902][  T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.627904][  T360] Call Trace:
[   41.627905][  T360]  <TASK>
[   41.627907][  T360]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.627913][  T360]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.627917][  T360]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.627921][  T360]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.627926][  T360]  __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))
[   41.627928][  T360]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.627934][  T360]  ? 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)
[   41.627936][  T360]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.627940][  T360]  put_chars (drivers/char/virtio_console.c:1176)
[   41.627942][  T360]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929)
[   41.627945][  T360]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.627952][  T360]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.627959][  T360]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.627962][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.627967][  T360]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.627971][  T360]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.627974][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.627978][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.627982][  T360]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.627986][  T360]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.627987][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.627993][  T360]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.627995][  T360]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.627997][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.627999][  T360]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   41.628002][  T360]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.628004][  T360]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.628007][  T360]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.628011][  T360]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.628012][  T360]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.628015][  T360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.628017][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.628021][  T360]  _printk (kernel/printk/printk.c:2504)
[   41.628025][  T360]  ? snapshot_read.cold (user.c:?)
[   41.628032][  T360]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.628036][  T360]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   41.628040][  T360]  br_device_event (net/bridge/br.c:111)
[   41.628042][  T360]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   41.628046][  T360]  ? packet_sendmsg_spkt (af_packet.c:?)
[   41.628052][  T360]  notifier_call_chain (kernel/notifier.c:85)
[   41.628057][  T360]  __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855)
[   41.628062][  T360]  ? netif_change_name (net/core/dev.c:1517)
[   41.628064][  T360]  ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810)
[   41.628067][  T360]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.628070][  T360]  ? __kernel_text_address (kernel/extable.c:79)
[   41.628072][  T360]  ? write_profile (profile.c:?)
[   41.628077][  T360]  netif_change_flags (net/core/dev.c:9882)
[   41.628080][  T360]  do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1))
[   41.628084][  T360]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.628086][  T360]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.628088][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.628090][  T360]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.628093][  T360]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.628095][  T360]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.628097][  T360]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.628101][  T360]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.628103][  T360]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.628104][  T360]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.628106][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.628108][  T360]  ? netlink_seq_next (net/netlink/af_netlink.c:2684)
[   41.628111][  T360]  ? ___sys_sendmsg (net/socket.c:2757)
[   41.628116][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.628118][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.628121][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.628123][  T360]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.628124][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.628126][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.628128][  T360]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.628130][  T360]  ? __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)
[   41.628132][  T360]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.628134][  T360]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.628138][  T360]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.628143][  T360]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.628148][  T360]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.628154][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.628156][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.628161][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.628163][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.628165][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.628168][  T360]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.628172][  T360]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.628174][  T360]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.628177][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.628179][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.628184][  T360]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.628186][  T360]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.628190][  T360]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.628192][  T360]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.628195][  T360]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.628201][  T360]  ? 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))
[   41.628203][  T360]  ? 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))
[   41.628207][  T360]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.628211][  T360]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.628213][  T360]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.628218][  T360]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.628222][  T360]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.628225][  T360]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   41.628231][  T360]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   41.628233][  T360]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.628235][  T360]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   41.628237][  T360]  ? move_addr_to_kernel (net/socket.c:258)
[   41.628244][  T360]  ___sys_sendmsg (net/socket.c:2767)
[   41.628246][  T360]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.628262][  T360]  __sys_sendmsg (net/socket.c:2799)
[   41.628264][  T360]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.628270][  T360]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.628273][  T360]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.628275][  T360]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.628281][  T360]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.628283][  T360] RIP: 0033:0x7f20c79a354e
[   41.628285][  T360] 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
[   41.628287][  T360] RSP: 002b:00007ffcd2811e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.628290][  T360] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f20c79a354e
[   41.628291][  T360] RDX: 0000000000000000 RSI: 00007ffcd2811ed0 RDI: 0000000000000005
[   41.628292][  T360] RBP: 00007ffcd2811e30 R08: 0000000000000000 R09: 0000000000000000
[   41.628292][  T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c88f
[   41.628293][  T360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd2812590
| [   43.770241][   T36] softirqs last disabled at (135374): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87)
| [   43.770245][   T36] Preemption disabled at:
| [   43.770246][   T36] 0x0
| [   43.770259][   T36] Tainted: [W]=WARN
[   43.770260][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.770262][   T36] Workqueue: events_unbound linkwatch_event
[   43.770267][   T36] Call Trace:
[   43.770269][   T36]  <TASK>
[   43.770271][   T36]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   43.770279][   T36]  __might_resched.cold (kernel/sched/core.c:9234)
[   43.770285][   T36]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   43.770290][   T36]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   43.770298][   T36]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   43.770302][   T36]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.770311][   T36]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   43.770314][   T36]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   43.770320][   T36]  put_chars (drivers/char/virtio_console.c:1176)
[   43.770325][   T36]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   43.770331][   T36]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   43.770340][   T36]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   43.770353][   T36]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   43.770357][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.770362][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.770370][   T36]  console_emit_next_record (kernel/printk/printk.c:3183)
[   43.770376][   T36]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   43.770384][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.770387][   T36]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   43.770394][   T36]  console_flush_one_record (kernel/printk/printk.c:3268)
[   43.770401][   T36]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   43.770404][   T36]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   43.770414][   T36]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   43.770418][   T36]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   43.770420][   T36]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   43.770423][   T36]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   43.770430][   T36]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   43.770433][   T36]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   43.770438][   T36]  vprintk_emit (kernel/printk/printk.c:2479)
[   43.770444][   T36]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   43.770448][   T36]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   43.770452][   T36]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   43.770459][   T36]  _printk (kernel/printk/printk.c:2504)
[   43.770464][   T36]  ? snapshot_read.cold (user.c:?)
[   43.770474][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.770481][   T36]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   43.770487][   T36]  br_init_port (net/bridge/br_stp_if.c:39)
[   43.770491][   T36]  br_stp_enable_port (net/bridge/br_stp_if.c:93)
[   43.770495][   T36]  br_port_carrier_check (net/bridge/br_if.c:90)
[   43.770501][   T36]  br_device_event (net/bridge/br.c:101)
[   43.770506][   T36]  ? packet_sendmsg_spkt (af_packet.c:?)
[   43.770509][   T36]  ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599)
[   43.770520][   T36]  notifier_call_chain (kernel/notifier.c:85)
[   43.770530][   T36]  netif_state_change (net/core/dev.c:1625)
[   43.770539][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7))
[   43.770547][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   43.770551][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   43.770556][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   43.770561][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.770569][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   43.770573][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   43.770580][   T36]  process_one_work (kernel/workqueue.c:3387)
[   43.770591][   T36]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   43.770595][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   43.770610][   T36]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   43.770622][   T36]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   43.770625][   T36]  kthread (kernel/kthread.c:436)
[   43.770628][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.770633][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.770638][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.770644][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   43.770650][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.770655][   T36]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   43.770660][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   45.029309][  T368] softirqs last disabled at (41815): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   45.029312][  T368] Preemption disabled at:
| [   45.029313][  T368] vprintk_emit (kernel/printk/printk.c:2471)
| [   45.029322][  T368] Tainted: [W]=WARN
[   45.029323][  T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.029324][  T368] Call Trace:
[   45.029326][  T368]  <TASK>
[   45.029328][  T368]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   45.029333][  T368]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   45.029334][  T368]  __might_resched.cold (kernel/sched/core.c:9234)
[   45.029339][  T368]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   45.029342][  T368]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   45.029347][  T368]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   45.029350][  T368]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.029356][  T368]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   45.029358][  T368]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   45.029361][  T368]  put_chars (drivers/char/virtio_console.c:1176)
[   45.029365][  T368]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   45.029368][  T368]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   45.029372][  T368]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.029375][  T368]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   45.029379][  T368]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   45.029383][  T368]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.029385][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029387][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029391][  T368]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   45.029393][  T368]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   45.029396][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.029398][  T368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.029402][  T368]  console_emit_next_record (kernel/printk/printk.c:3183)
[   45.029405][  T368]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   45.029409][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.029411][  T368]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   45.029415][  T368]  console_flush_one_record (kernel/printk/printk.c:3268)
[   45.029419][  T368]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   45.029420][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029425][  T368]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   45.029428][  T368]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   45.029429][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.029431][  T368]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   45.029435][  T368]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   45.029437][  T368]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   45.029439][  T368]  vprintk_emit (kernel/printk/printk.c:2479)
[   45.029443][  T368]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   45.029444][  T368]  ? packet_sendmsg_spkt (af_packet.c:?)
[   45.029451][  T368]  _printk (kernel/printk/printk.c:2504)
[   45.029455][  T368]  ? snapshot_read.cold (user.c:?)
[   45.029459][  T368]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   45.029462][  T368]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   45.029465][  T368]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   45.029468][  T368]  ? netdev_notice (net/core/dev.c:13194)
[   45.029472][  T368]  ? netdev_upper_dev_unlink (net/core/dev.c:9114)
[   45.029475][  T368]  ? __netdev_upper_dev_unlink (net/core/dev.c:9096)
[   45.029479][  T368]  __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4))
[   45.029483][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5360)
[   45.029488][  T368]  ? bond_enslave (drivers/net/bonding/bond_main.c:2331)
[   45.029491][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5123)
[   45.029493][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.029496][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.029503][  T368]  ? packet_sendmsg_spkt (af_packet.c:?)
[   45.029507][  T368]  bond_uninit (drivers/net/bonding/bond_main.c:6071)
[   45.029508][  T368]  ? 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))
[   45.029512][  T368]  ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682)
[   45.029516][  T368]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   45.029522][  T368]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   45.029524][  T368]  ? 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)
[   45.029525][  T368]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   45.029527][  T368]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   45.029533][  T368]  rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694)
[   45.029537][  T368]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.029540][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029541][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029544][  T368]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   45.029564][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.029567][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.029569][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.029572][  T368]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   45.029574][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029578][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.029581][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.029583][  T368]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   45.029585][  T368]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   45.029589][  T368]  ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728)
[   45.029591][  T368]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   45.029595][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.029597][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029601][  T368]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   45.029603][  T368]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   45.029607][  T368]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   45.029610][  T368]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.029613][  T368]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.029619][  T368]  ? 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))
[   45.029620][  T368]  ? 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))
[   45.029625][  T368]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.029628][  T368]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.029631][  T368]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   45.029635][  T368]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   45.029639][  T368]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   45.029643][  T368]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   45.029648][  T368]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   45.029652][  T368]  ? copy_msghdr_from_user (net/socket.c:2650)
[   45.029654][  T368]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   45.029655][  T368]  ? move_addr_to_kernel (net/socket.c:258)
[   45.029662][  T368]  ___sys_sendmsg (net/socket.c:2767)
[   45.029664][  T368]  ? copy_msghdr_from_user (net/socket.c:2619)
[   45.029679][  T368]  __sys_sendmsg (net/socket.c:2799)
[   45.029682][  T368]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   45.029688][  T368]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   45.029691][  T368]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   45.029693][  T368]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   45.029696][  T368]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.029698][  T368] RIP: 0033:0x7f29e9b1654e
[   45.029702][  T368] 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
[   45.029704][  T368] RSP: 002b:00007ffe28630f50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.029707][  T368] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f29e9b1654e
[   45.029708][  T368] RDX: 0000000000000000 RSI: 00007ffe28631000 RDI: 0000000000000005
[   45.029709][  T368] RBP: 00007ffe28630f60 R08: 0000000000000000 R09: 0000000000000000
[   45.029709][  T368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91c892


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