======================================
| [   11.315831][  T269] softirqs last disabled at (19834): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.315834][  T269] Preemption disabled at:
| [   11.315834][  T269] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.315844][  T269] Tainted: [W]=WARN
[   11.315845][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.315847][  T269] Call Trace:
[   11.315848][  T269]  <TASK>
[   11.315850][  T269]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.315856][  T269]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.315858][  T269]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.315865][  T269]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.315869][  T269]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.315874][  T269]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.315877][  T269]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.315882][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.315885][  T269]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.315888][  T269]  put_chars (drivers/char/virtio_console.c:1176)
[   11.315891][  T269]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.315895][  T269]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   11.315898][  T269]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.315901][  T269]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   11.315903][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.315904][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.315908][  T269]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.315910][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   11.315913][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.315917][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.315921][  T269]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.315925][  T269]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.315926][  T269]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.315930][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.315932][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.315936][  T269]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.315940][  T269]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.315942][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.315947][  T269]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.315949][  T269]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.315951][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.315953][  T269]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.315957][  T269]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.315959][  T269]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.315962][  T269]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.315965][  T269]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.315968][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.315969][  T269]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   11.315974][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   11.315977][  T269]  _printk (kernel/printk/printk.c:2504)
[   11.315980][  T269]  ? snapshot_read.cold (user.c:?)
[   11.315984][  T269]  ? br_multicast_flood (??:?) bridge
[   11.315997][  T269]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.315998][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.315999][  T269]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.316004][  T269] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   11.316014][  T269] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   11.316022][  T269] new_nbp (net/bridge/br_if.c:449) bridge
[   11.316030][  T269] br_add_if (net/bridge/br_if.c:592) bridge
[   11.316037][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.316041][  T269]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   11.316044][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   11.316048][  T269]  do_set_master (net/core/rtnetlink.c:3071)
[   11.316053][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.316056][  T269]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.316059][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.316060][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.316062][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.316066][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.316069][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.316070][  T269]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.316073][  T269]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.316076][  T269]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.316078][  T269]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.316081][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.316082][  T269]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.316085][  T269]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.316090][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.316092][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.316094][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.316096][  T269]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.316098][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.316100][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.316102][  T269]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.316106][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.316107][  T269]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.316109][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.316112][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.316114][  T269]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.316119][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.316124][  T269]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.316129][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.316131][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.316135][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.316137][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.316139][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.316141][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.316144][  T269]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.316146][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.316149][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.316150][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.316154][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.316156][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.316160][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.316161][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.316164][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.316170][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.316172][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.316176][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.316179][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.316182][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.316186][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.316189][  T269]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.316193][  T269]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.316198][  T269]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.316200][  T269]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.316202][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.316204][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   11.316211][  T269]  ___sys_sendmsg (net/socket.c:2767)
[   11.316214][  T269]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.316229][  T269]  __sys_sendmsg (net/socket.c:2799)
[   11.316232][  T269]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.316238][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.316241][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.316243][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.316246][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.316248][  T269] RIP: 0033:0x7f7a5381854e
[   11.316252][  T269] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.316260][  T269] RSP: 002b:00007ffd5f6e80b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.316262][  T269] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7a5381854e
[   11.316264][  T269] RDX: 0000000000000000 RSI: 00007ffd5f6e8160 RDI: 0000000000000005
[   11.316265][  T269] RBP: 00007ffd5f6e80c0 R08: 0000000000000000 R09: 0000000000000000
[   11.316265][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910b92
[   11.316266][  T269] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5f6e8820
| [   12.665741][  T318] softirqs last disabled at (14700): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   12.665744][  T318] Preemption disabled at:
| [   12.665744][  T318] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.665754][  T318] Tainted: [W]=WARN
[   12.665754][  T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.665756][  T318] Call Trace:
[   12.665758][  T318]  <TASK>
[   12.665759][  T318]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.665765][  T318]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.665767][  T318]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.665772][  T318]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.665776][  T318]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   12.665781][  T318]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   12.665783][  T318]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.665788][  T318]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.665791][  T318]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.665794][  T318]  put_chars (drivers/char/virtio_console.c:1176)
[   12.665796][  T318]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   12.665798][  T318]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.665801][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.665805][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.665807][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.665811][  T318]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.665814][  T318]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.665815][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.665817][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.665821][  T318]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.665823][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.665826][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.665828][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.665832][  T318]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.665836][  T318]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.665838][  T318]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   12.665841][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.665843][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.665847][  T318]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.665851][  T318]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.665852][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.665857][  T318]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.665863][  T318]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.665865][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.665867][  T318]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.665871][  T318]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.665872][  T318]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.665876][  T318]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.665880][  T318]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.665882][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.665885][  T318]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   12.665888][  T318]  _printk (kernel/printk/printk.c:2504)
[   12.665892][  T318]  ? snapshot_read.cold (user.c:?)
[   12.665896][  T318]  ? br_multicast_flood (??:?) bridge
[   12.665908][  T318]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.665909][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.665910][  T318]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.665915][  T318] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge
[   12.665925][  T318] br_init_port (net/bridge/br_stp_if.c:39) bridge
[   12.665933][  T318] new_nbp (net/bridge/br_if.c:449) bridge
[   12.665942][  T318] br_add_if (net/bridge/br_if.c:592) bridge
[   12.665949][  T318]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   12.665953][  T318]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   12.665956][  T318]  ? __kernel_text_address (kernel/extable.c:79)
[   12.665960][  T318]  do_set_master (net/core/rtnetlink.c:3071)
[   12.665969][  T318]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.665972][  T318]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.665975][  T318]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.665976][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.665981][  T318]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.665985][  T318]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.665987][  T318]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.665989][  T318]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.665994][  T318]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.665997][  T318]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.665999][  T318]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.666001][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.666003][  T318]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.666006][  T318]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.666011][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.666013][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.666015][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.666017][  T318]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.666019][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.666020][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.666023][  T318]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.666027][  T318]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   12.666030][  T318]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.666032][  T318]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.666035][  T318]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.666036][  T318]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.666041][  T318]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.666046][  T318]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.666051][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.666053][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.666057][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.666059][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.666061][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.666063][  T318]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.666066][  T318]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.666068][  T318]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.666071][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.666072][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.666076][  T318]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.666078][  T318]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.666082][  T318]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.666083][  T318]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.666086][  T318]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.666092][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.666093][  T318]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.666097][  T318]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.666101][  T318]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.666103][  T318]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.666107][  T318]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.666111][  T318]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.666115][  T318]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.666120][  T318]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.666122][  T318]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.666124][  T318]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.666126][  T318]  ? move_addr_to_kernel (net/socket.c:258)
[   12.666133][  T318]  ___sys_sendmsg (net/socket.c:2767)
[   12.666135][  T318]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.666150][  T318]  __sys_sendmsg (net/socket.c:2799)
[   12.666153][  T318]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.666159][  T318]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.666162][  T318]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.666164][  T318]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.666168][  T318]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.666170][  T318] RIP: 0033:0x7f3302f4354e
[   12.666173][  T318] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.666175][  T318] RSP: 002b:00007ffe2ee27fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.666178][  T318] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f3302f4354e
[   12.666179][  T318] RDX: 0000000000000000 RSI: 00007ffe2ee28080 RDI: 0000000000000005
[   12.666180][  T318] RBP: 00007ffe2ee27fe0 R08: 0000000000000000 R09: 0000000000000000
[   12.666181][  T318] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910b94
[   12.666182][  T318] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2ee28740
| [   13.665721][  T356] softirqs last disabled at (12664): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   13.665724][  T356] Preemption disabled at:
| [   13.665724][  T356] vprintk_emit (kernel/printk/printk.c:2471)
| [   13.665734][  T356] Tainted: [W]=WARN
[   13.665735][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.665736][  T356] Call Trace:
[   13.665738][  T356]  <TASK>
[   13.665740][  T356]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   13.665746][  T356]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   13.665748][  T356]  __might_resched.cold (kernel/sched/core.c:9234)
[   13.665752][  T356]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   13.665756][  T356]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   13.665761][  T356]  __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))
[   13.665763][  T356]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.665769][  T356]  ? 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)
[   13.665772][  T356]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   13.665774][  T356]  put_chars (drivers/char/virtio_console.c:1176)
[   13.665776][  T356]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   13.665778][  T356]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   13.665781][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.665785][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.665787][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.665791][  T356]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   13.665794][  T356]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   13.665796][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.665797][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.665801][  T356]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   13.665803][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   13.665806][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.665808][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.665812][  T356]  console_emit_next_record (kernel/printk/printk.c:3183)
[   13.665816][  T356]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   13.665817][  T356]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   13.665820][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.665823][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.665826][  T356]  console_flush_one_record (kernel/printk/printk.c:3268)
[   13.665830][  T356]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   13.665832][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.665837][  T356]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   13.665840][  T356]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   13.665842][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.665844][  T356]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   13.665847][  T356]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   13.665849][  T356]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   13.665852][  T356]  vprintk_emit (kernel/printk/printk.c:2479)
[   13.665856][  T356]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   13.665858][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.665866][  T356]  _printk (kernel/printk/printk.c:2504)
[   13.665870][  T356]  ? snapshot_read.cold (user.c:?)
[   13.665873][  T356]  ? vxlan_exit_rtnl (drivers/net/vxlan/vxlan_core.c:4926 drivers/net/vxlan/vxlan_core.c:4938) vxlan
[   13.665882][  T356]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   13.665886][  T356]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   13.665889][  T356]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   13.665892][  T356]  ? netdev_notice (net/core/dev.c:13194)
[   13.665895][  T356]  ? dev_get_min_mp_channel_count (./include/net/netdev_lock.h:70 (discriminator 1))
[   13.665900][  T356]  ? netdev_wait_allrefs_any (net/core/dev.c:11702)
[   13.665903][  T356]  ? 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)
[   13.665908][  T356]  __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3))
[   13.665912][  T356]  netif_set_promiscuity (net/core/dev.c:9699)
[   13.665915][  T356]  dev_set_promiscuity (net/core/dev_api.c:288)
[   13.665918][  T356] br_port_set_promisc (net/bridge/br_if.c:109) bridge
[   13.665930][  T356] br_manage_promisc (net/bridge/br_if.c:175) bridge
[   13.665937][  T356]  ? netdev_is_rx_handler_busy (net/core/dev.c:5939 (discriminator 4))
[   13.665942][  T356] br_add_if (net/bridge/br_if.c:243 net/bridge/br_if.c:633) bridge
[   13.665953][  T356]  do_set_master (net/core/rtnetlink.c:3071)
[   13.665958][  T356]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   13.665961][  T356]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   13.665964][  T356]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   13.665965][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.665967][  T356]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.665970][  T356]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   13.665973][  T356]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.665975][  T356]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   13.665977][  T356]  ? kasan_save_stack (mm/kasan/common.c:58)
[   13.665981][  T356]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.665982][  T356]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.665985][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.665987][  T356]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   13.665990][  T356]  ? ___sys_sendmsg (net/socket.c:2757)
[   13.665995][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.665997][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.665999][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666002][  T356]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   13.666003][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666005][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666007][  T356]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   13.666010][  T356]  ? __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)
[   13.666012][  T356]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   13.666014][  T356]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   13.666017][  T356]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   13.666019][  T356]  ? nla_get_range_signed (lib/nlattr.c:270)
[   13.666024][  T356]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   13.666029][  T356]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   13.666034][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.666036][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.666040][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.666042][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.666044][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.666046][  T356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   13.666049][  T356]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   13.666051][  T356]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   13.666054][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.666056][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.666060][  T356]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   13.666062][  T356]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   13.666065][  T356]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   13.666067][  T356]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.666070][  T356]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.666076][  T356]  ? 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))
[   13.666077][  T356]  ? 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))
[   13.666081][  T356]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.666085][  T356]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.666087][  T356]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   13.666091][  T356]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   13.666095][  T356]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   13.666099][  T356]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   13.666104][  T356]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   13.666106][  T356]  ? copy_msghdr_from_user (net/socket.c:2650)
[   13.666109][  T356]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   13.666110][  T356]  ? move_addr_to_kernel (net/socket.c:258)
[   13.666117][  T356]  ___sys_sendmsg (net/socket.c:2767)
[   13.666120][  T356]  ? copy_msghdr_from_user (net/socket.c:2619)
[   13.666135][  T356]  __sys_sendmsg (net/socket.c:2799)
[   13.666138][  T356]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   13.666144][  T356]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   13.666148][  T356]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   13.666150][  T356]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   13.666153][  T356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.666155][  T356] RIP: 0033:0x7fa3234a154e
[   13.666159][  T356] 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
[   13.666161][  T356] RSP: 002b:00007ffe2b4bb2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.666164][  T356] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa3234a154e
[   13.666165][  T356] RDX: 0000000000000000 RSI: 00007ffe2b4bb360 RDI: 0000000000000005
[   13.666166][  T356] RBP: 00007ffe2b4bb2c0 R08: 0000000000000000 R09: 0000000000000000
[   13.666167][  T356] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910b95
[   13.666168][  T356] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2b4bba20
| [   21.363407][  T444] softirqs last disabled at (17501): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   21.363410][  T444] Preemption disabled at:
| [   21.363410][  T444] vprintk_emit (kernel/printk/printk.c:2471)
| [   21.363420][  T444] Tainted: [W]=WARN
[   21.363421][  T444] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.363423][  T444] Call Trace:
[   21.363425][  T444]  <TASK>
[   21.363426][  T444]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   21.363432][  T444]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   21.363434][  T444]  __might_resched.cold (kernel/sched/core.c:9234)
[   21.363439][  T444]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   21.363443][  T444]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   21.363448][  T444]  __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))
[   21.363451][  T444]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.363456][  T444]  ? 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)
[   21.363459][  T444]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   21.363462][  T444]  put_chars (drivers/char/virtio_console.c:1176)
[   21.363464][  T444]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   21.363466][  T444]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   21.363469][  T444]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.363473][  T444]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   21.363477][  T444]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   21.363480][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.363481][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.363486][  T444]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   21.363487][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   21.363490][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.363493][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.363497][  T444]  console_emit_next_record (kernel/printk/printk.c:3183)
[   21.363501][  T444]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   21.363503][  T444]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   21.363506][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.363510][  T444]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   21.363515][  T444]  console_flush_one_record (kernel/printk/printk.c:3268)
[   21.363519][  T444]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   21.363521][  T444]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   21.363526][  T444]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   21.363528][  T444]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   21.363530][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.363533][  T444]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   21.363536][  T444]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   21.363538][  T444]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   21.363541][  T444]  vprintk_emit (kernel/printk/printk.c:2479)
[   21.363545][  T444]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   21.363551][  T444]  ? llc_exit (./arch/x86/include/asm/atomic.h:28 ./include/linux/atomic/atomic-arch-fallback.h:503 ./include/linux/atomic/atomic-instrumented.h:68 ./include/linux/refcount.h:134 net/llc/llc_core.c:38 net/llc/llc_core.c:96) llc
[   21.363554][  T444]  _printk (kernel/printk/printk.c:2504)
[   21.363558][  T444]  ? snapshot_read.cold (user.c:?)
[   21.363564][  T444]  ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356)
[   21.363567][  T444] gact_init_module (net/sched/act_gact.c:180) act_gact
[   21.363570][  T444]  do_one_initcall (init/main.c:1357)
[   21.363573][  T444]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   21.363577][  T444]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   21.363580][  T444]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   21.363585][  T444]  do_init_module (kernel/module/main.c:3117)
[   21.363589][  T444]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   21.363593][  T444]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   21.363596][  T444]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   21.363600][  T444]  load_module (kernel/module/main.c:3593)
[   21.363607][  T444]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   21.363611][  T444]  ? __ia32_sys_fsconfig (??:?)
[   21.363614][  T444]  ? ovl_real_file (fs/overlayfs/file.c:195)
[   21.363618][  T444]  ? backing_file_read_iter (fs/backing-file.c:211)
[   21.363621][  T444]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   21.363625][  T444]  init_module_from_file (kernel/module/main.c:3790)
[   21.363628][  T444]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   21.363636][  T444]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   21.363640][  T444]  ? 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)
[   21.363643][  T444]  idempotent_init_module (kernel/module/main.c:3802)
[   21.363646][  T444]  ? init_module_from_file (kernel/module/main.c:3791)
[   21.363652][  T444]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   21.363655][  T444]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   21.363661][  T444]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   21.363663][  T444]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.363666][  T444]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   21.363668][  T444]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   21.363671][  T444]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.363673][  T444] RIP: 0033:0x7ff572a1e37d
[   21.363676][  T444] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48
All code
========
   0:	ff c3                	inc    %ebx
   2:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
   9:	00 00 00 
   c:	90                   	nop
   d:	f3 0f 1e fa          	endbr64
  11:	48 89 f8             	mov    %rdi,%rax
  14:	48 89 f7             	mov    %rsi,%rdi
  17:	48 89 d6             	mov    %rdx,%rsi
  1a:	48 89 ca             	mov    %rcx,%rdx
  1d:	4d 89 c2             	mov    %r8,%r10
  20:	4d 89 c8             	mov    %r9,%r8
  23:	4c 8b 4c 24 08       	mov    0x8(%rsp),%r9
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa85
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d 4b aa 0f 00 	mov    0xfaa4b(%rip),%rcx        # 0xfaa5b
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   21.363679][  T444] RSP: 002b:00007ffcc18fe4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   21.363681][  T444] RAX: ffffffffffffffda RBX: 0000555d34822810 RCX: 00007ff572a1e37d
[   21.363683][  T444] RDX: 0000000000000000 RSI: 0000555cfc25dffd RDI: 0000000000000000
[   21.363684][  T444] RBP: 00007ffcc18fe570 R08: 0000000000000000 R09: 0000000000000000
[   21.363685][  T444] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555cfc25dffd
[   21.363686][  T444] R13: 0000555d34822960 R14: 0000000000040000 R15: 0000000000000000
| [   26.486969][    C2] softirqs last disabled at (850805): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   26.486971][    C2] Preemption disabled at:
| [   26.486971][    C2] 0x0
| [   26.486981][    C2] Tainted: [W]=WARN
[   26.486982][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.486984][    C2] Call Trace:
[   26.486986][    C2]  <IRQ>
[   26.486988][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.486994][    C2]  __might_resched.cold (kernel/sched/core.c:9234)
[   26.486997][    C2]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   26.487001][    C2]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   26.487003][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487007][    C2]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   26.487010][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.487013][    C2]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.487017][    C2]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.487019][    C2]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   26.487021][    C2]  put_chars (drivers/char/virtio_console.c:1176)
[   26.487023][    C2]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   26.487025][    C2]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   26.487028][    C2]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   26.487031][    C2]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   26.487033][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487035][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.487037][    C2]  console_emit_next_record (kernel/printk/printk.c:3183)
[   26.487039][    C2]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   26.487041][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487043][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487044][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.487046][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   26.487048][    C2]  console_flush_one_record (kernel/printk/printk.c:3268)
[   26.487050][    C2]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   26.487053][    C2]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   26.487054][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.487056][    C2]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   26.487057][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487059][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.487061][    C2]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   26.487062][    C2]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   26.487065][    C2]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   26.487067][    C2]  vprintk_emit (kernel/printk/printk.c:2479)
[   26.487069][    C2]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   26.487071][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487084][    C2]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   26.487085][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487093][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487099][    C2]  ? is_module_text_address (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 kernel/module/main.c:3934)
[   26.487102][    C2]  _printk (kernel/printk/printk.c:2504)
[   26.487105][    C2]  ? snapshot_read.cold (user.c:?)
[   26.487107][    C2]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25)
[   26.487111][    C2]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   26.487113][    C2]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   26.487115][    C2]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   26.487117][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.487120][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.487122][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.487124][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.487126][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.487127][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487134][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487136][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.487137][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.487143][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.487145][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487151][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.487157][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.487163][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.487166][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.487168][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.487171][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.487173][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.487175][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487177][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.487179][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.487185][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.487187][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.487190][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.487192][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.487194][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.487196][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.487198][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487200][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.487202][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.487203][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.487205][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.487206][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.487208][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.487211][    C2]  </IRQ>
[   26.487211][    C2]  <TASK>
[   26.487212][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.487214][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.487216][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.487219][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.487221][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.487224][    C2] RAX: 00000000000cfb73 RBX: ff11000001bec6c0 RCX: ffffffffb26f0307
[   26.487226][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5438b01 RDI: ffffffffb4e8d8e0
[   26.487226][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.487227][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.487228][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.487230][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.487233][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.487235][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.487236][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.487238][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.487240][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.487242][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.487244][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.487245][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.487247][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.487249][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.487251][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   26.546768][    C2]
| [   26.546835][    C2]
| [   26.546835][    C2] stack backtrace:
| [   26.547050][    C2] Tainted: [W]=WARN
[   26.547051][    C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.547052][    C2] Call Trace:
[   26.547053][    C2]  <IRQ>
[   26.547055][    C2]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   26.547059][    C2]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   26.547062][    C2]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   26.547064][    C2]  mark_lock (kernel/locking/lockdep.c:4769)
[   26.547066][    C2]  mark_usage (kernel/locking/lockdep.c:4658)
[   26.547068][    C2]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   26.547070][    C2]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   26.547072][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.547078][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.547082][    C2]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   26.547084][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.547090][    C2]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   26.547092][    C2]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.547098][    C2] br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88) bridge
[   26.547104][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.547110][    C2]  call_timer_fn (kernel/time/timer.c:1748)
[   26.547112][    C2]  ? detach_if_pending (./include/linux/list.h:1159)
[   26.547114][    C2]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   26.547118][    C2]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   26.547119][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.547121][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.547123][    C2]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   26.547125][    C2]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54) bridge
[   26.547132][    C2]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   26.547133][    C2]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   26.547136][    C2]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   26.547138][    C2]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   26.547140][    C2]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   26.547142][    C2]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.547144][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.547146][    C2]  handle_softirqs (kernel/softirq.c:645)
[   26.547148][    C2]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   26.547149][    C2]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   26.547151][    C2]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   26.547152][    C2]  irq_exit_rcu (kernel/softirq.c:784)
[   26.547154][    C2]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   26.547156][    C2]  </IRQ>
[   26.547156][    C2]  <TASK>
[   26.547157][    C2]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   26.547158][    C2]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   26.547160][    C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   26.547162][    C2] Code: 48 8b 3d 94 e2 f5 01 e8 1f 00 00 00 48 2b 05 58 a3 95 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 96 11 00 fb f4 <c3> 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01
All code
========
   0:	48 8b 3d 94 e2 f5 01 	mov    0x1f5e294(%rip),%rdi        # 0x1f5e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 a3 95 00 	sub    0x95a358(%rip),%rax        # 0x95a36b
  13:	c3                   	ret
  14:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  1b:	f3 0f 1e fa          	endbr64
  1f:	eb 07                	jmp    0x28
  21:	0f 00 2d 13 96 11 00 	verw   0x119613(%rip)        # 0x11963b
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	0f 1f 40 d6          	nopl   -0x2a(%rax)
  2f:	48 83 ec 20          	sub    $0x20,%rsp
  33:	8b 17                	mov    (%rdi),%edx
  35:	49 89 f8             	mov    %rdi,%r8
  38:	83 e2 fe             	and    $0xfffffffe,%edx
  3b:	41 89 d2             	mov    %edx,%r10d
  3e:	0f                   	.byte 0xf
  3f:	01                   	.byte 0x1

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	0f 1f 40 d6          	nopl   -0x2a(%rax)
   5:	48 83 ec 20          	sub    $0x20,%rsp
   9:	8b 17                	mov    (%rdi),%edx
   b:	49 89 f8             	mov    %rdi,%r8
   e:	83 e2 fe             	and    $0xfffffffe,%edx
  11:	41 89 d2             	mov    %edx,%r10d
  14:	0f                   	.byte 0xf
  15:	01                   	.byte 0x1
[   26.547165][    C2] RSP: 0018:ffa0000000157e00 EFLAGS: 00000282
[   26.547167][    C2] RAX: 00000000000cfb73 RBX: ff11000001bec6c0 RCX: ffffffffb26f0307
[   26.547168][    C2] RDX: ff11000001bec6c0 RSI: ffffffffb5438b01 RDI: ffffffffb4e8d8e0
[   26.547169][    C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   26.547170][    C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc3
[   26.547171][    C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
[   26.547172][    C2]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.547174][    C2]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   26.547176][    C2]  default_idle_call (kernel/sched/idle.c:122)
[   26.547178][    C2]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   26.547179][    C2]  ? arch_cpu_idle_exit+0x40/0x40
[   26.547181][    C2]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   26.547182][    C2]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   26.547184][    C2]  do_idle (kernel/sched/idle.c:355)
[   26.547186][    C2]  cpu_startup_entry (kernel/sched/idle.c:454)
[   26.547187][    C2]  start_secondary (arch/x86/kernel/smpboot.c:312)
[   26.547189][    C2]  ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:733 (discriminator 4))
[   26.547191][    C2]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   64.699697][   T12] softirqs last disabled at (32408): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   64.699700][   T12] Preemption disabled at:
| [   64.699700][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.699712][   T12] Tainted: [W]=WARN
[   64.699713][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.699715][   T12] Workqueue: netns cleanup_net
[   64.699721][   T12] Call Trace:
[   64.699722][   T12]  <TASK>
[   64.699724][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.699729][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.699731][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.699735][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.699738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699742][   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))
[   64.699745][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.699748][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.699751][   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)
[   64.699753][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.699755][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   64.699756][   T12]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   64.699758][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.699760][   T12]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   64.699762][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.699765][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.699766][   T12]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   64.699768][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.699769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699773][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.699775][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.699777][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.699779][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699781][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699784][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.699786][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.699787][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.699790][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.699792][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.699794][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.699795][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.699797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699798][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.699800][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   64.699801][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   64.699803][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.699805][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.699807][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.699809][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.699811][   T12]  ? process_one_work (kernel/workqueue.c:3387)
[   64.699814][   T12]  ? kthread (kernel/kthread.c:436)
[   64.699816][   T12]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   64.699819][   T12]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   64.699821][   T12]  _printk (kernel/printk/printk.c:2504)
[   64.699824][   T12]  ? snapshot_read.cold (user.c:?)
[   64.699826][   T12]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   64.699829][   T12]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   64.699831][   T12]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   64.699833][   T12]  ? netdev_notice (net/core/dev.c:13194)
[   64.699834][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699836][   T12]  ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1))
[   64.699838][   T12]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   64.699840][   T12]  ? down_write_nested (kernel/locking/rwsem.c:1759)
[   64.699841][   T12]  ? 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)
[   64.699844][   T12]  netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3))
[   64.699846][   T12]  dev_set_allmulti (net/core/dev_api.c:315)
[   64.699849][   T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge
[   64.699866][   T12] br_dev_delete (net/bridge/br_if.c:387) bridge
[   64.699874][   T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge
[   64.699881][   T12]  ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249)
[   64.699883][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   64.699885][   T12]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   64.699888][   T12]  cleanup_net (net/core/net_namespace.c:706)
[   64.699890][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   64.699892][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.699893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.699895][   T12]  process_one_work (kernel/workqueue.c:3387)
[   64.699898][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   64.699900][   T12]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   64.699902][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.699904][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   64.699907][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   64.699908][   T12]  kthread (kernel/kthread.c:436)
[   64.699910][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.699911][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   64.699913][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.699914][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   64.699916][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.699919][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars