======================================
| [   14.090303][  T270] softirqs last disabled at (21782): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   14.090305][  T270] Preemption disabled at:
| [   14.090306][  T270] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.090315][  T270] Tainted: [W]=WARN
[   14.090316][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.090317][  T270] Call Trace:
[   14.090319][  T270]  <TASK>
[   14.090320][  T270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.090327][  T270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.090328][  T270]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.090332][  T270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.090337][  T270]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   14.090341][  T270]  __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))
[   14.090343][  T270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.090349][  T270]  ? 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)
[   14.090352][  T270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.090356][  T270]  put_chars (drivers/char/virtio_console.c:1176)
[   14.090359][  T270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.090361][  T270]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.090366][  T270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.090374][  T270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.090376][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090379][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.090383][  T270]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.090386][  T270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.090388][  T270]  ? 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))
[   14.090391][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090393][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.090397][  T270]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.090401][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.090403][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.090408][  T270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.090411][  T270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.090413][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090414][  T270]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   14.090418][  T270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.090420][  T270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.090422][  T270]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.090425][  T270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.090427][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.090429][  T270]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   14.090433][  T270]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   14.090437][  T270]  _printk (kernel/printk/printk.c:2504)
[   14.090440][  T270]  ? snapshot_read.cold (user.c:?)
[   14.090443][  T270]  ? br_multicast_flood (??:?)
[   14.090446][  T270]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.090447][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.090449][  T270]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.090453][  T270]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   14.090457][  T270]  br_init_port (net/bridge/br_stp_if.c:39)
[   14.090459][  T270]  new_nbp (net/bridge/br_if.c:449)
[   14.090463][  T270]  br_add_if (net/bridge/br_if.c:592)
[   14.090465][  T270]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.090469][  T270]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   14.090474][  T270]  do_set_master (net/core/rtnetlink.c:3071)
[   14.090475][  T270]  ? netif_change_flags (net/core/dev.c:9882)
[   14.090479][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   14.090482][  T270]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   14.090486][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   14.090487][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.090490][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.090493][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.090495][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.090497][  T270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   14.090499][  T270]  ? kasan_save_stack (mm/kasan/common.c:58)
[   14.090501][  T270]  ? kasan_save_stack (mm/kasan/common.c:57)
[   14.090503][  T270]  ? kasan_save_track (mm/kasan/common.c:78)
[   14.090504][  T270]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.090506][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.090508][  T270]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   14.090511][  T270]  ? ___sys_sendmsg (net/socket.c:2758)
[   14.090514][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.090516][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.090519][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090521][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.090522][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090523][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090525][  T270]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   14.090527][  T270]  ? __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)
[   14.090528][  T270]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   14.090530][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   14.090533][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   14.090535][  T270]  ? nla_get_range_signed (lib/nlattr.c:270)
[   14.090540][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090542][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   14.090547][  T270]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   14.090552][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.090554][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.090558][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.090560][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.090562][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.090564][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.090567][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   14.090569][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   14.090572][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.090574][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.090578][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.090580][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.090583][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   14.090587][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.090589][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.090596][  T270]  ? 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))
[   14.090598][  T270]  ? 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))
[   14.090602][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.090606][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.090608][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   14.090613][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   14.090616][  T270]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   14.090620][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.090622][  T270]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   14.090627][  T270]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   14.090630][  T270]  ____sys_sendmsg (net/socket.c:2713)
[   14.090632][  T270]  ? copy_msghdr_from_user (net/socket.c:2650)
[   14.090634][  T270]  ? sock_write_iter (net/socket.c:1269)
[   14.090636][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   14.090643][  T270]  ___sys_sendmsg (net/socket.c:2767)
[   14.090646][  T270]  ? copy_msghdr_from_user (net/socket.c:2619)
[   14.090661][  T270]  __sys_sendmsg (net/socket.c:2799)
[   14.090664][  T270]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   14.090670][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.090673][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   14.090676][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   14.090679][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.090681][  T270] RIP: 0033:0x7fd36e68854e
[   14.090685][  T270] 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
[   14.090689][  T270] RSP: 002b:00007ffe5c50eb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.090692][  T270] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd36e68854e
[   14.090693][  T270] RDX: 0000000000000000 RSI: 00007ffe5c50ebf0 RDI: 0000000000000005
[   14.090694][  T270] RBP: 00007ffe5c50eb50 R08: 0000000000000000 R09: 0000000000000000
[   14.090695][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91561d
[   14.090696][  T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5c50f2c0
| [   20.598842][  T312] softirqs last disabled at (27405): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   20.598844][  T312] Preemption disabled at:
| [   20.598845][  T312] vprintk_emit (kernel/printk/printk.c:2471)
| [   20.598853][  T312] Tainted: [W]=WARN
[   20.598854][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.598856][  T312] Call Trace:
[   20.598857][  T312]  <TASK>
[   20.598859][  T312]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   20.598865][  T312]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   20.598866][  T312]  __might_resched.cold (kernel/sched/core.c:9234)
[   20.598871][  T312]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   20.598875][  T312]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   20.598879][  T312]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   20.598881][  T312]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.598888][  T312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.598891][  T312]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   20.598895][  T312]  put_chars (drivers/char/virtio_console.c:1176)
[   20.598897][  T312]  ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934)
[   20.598899][  T312]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   20.598902][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.598905][  T312]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   20.598910][  T312]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   20.598914][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.598916][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.598920][  T312]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   20.598922][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   20.598925][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.598928][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.598932][  T312]  console_emit_next_record (kernel/printk/printk.c:3183)
[   20.598935][  T312]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   20.598937][  T312]  ? 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))
[   20.598941][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.598942][  T312]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   20.598946][  T312]  console_flush_one_record (kernel/printk/printk.c:3268)
[   20.598950][  T312]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   20.598952][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   20.598958][  T312]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   20.598960][  T312]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   20.598962][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   20.598964][  T312]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   20.598968][  T312]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   20.598969][  T312]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   20.598972][  T312]  vprintk_emit (kernel/printk/printk.c:2479)
[   20.598976][  T312]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   20.598981][  T312]  ? gact_cleanup_module (net/sched/act_gact.c:192) act_gact
[   20.598983][  T312]  _printk (kernel/printk/printk.c:2504)
[   20.598987][  T312]  ? snapshot_read.cold (user.c:?)
[   20.598993][  T312]  ? 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)
[   20.598996][  T312] gact_init_module (net/sched/act_gact.c:180) act_gact
[   20.598999][  T312]  do_one_initcall (init/main.c:1357)
[   20.599002][  T312]  ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10)
[   20.599006][  T312]  ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1))
[   20.599009][  T312]  ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178)
[   20.599014][  T312]  do_init_module (kernel/module/main.c:3117)
[   20.599017][  T312]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   20.599021][  T312]  ? free_module (./include/trace/events/module.h:50 (discriminator 19))
[   20.599028][  T312]  ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792)
[   20.599032][  T312]  load_module (kernel/module/main.c:3593)
[   20.599037][  T312]  ? security_kernel_post_read_file (security/security.c:2997 (discriminator 11))
[   20.599042][  T312]  ? layout_and_allocate.isra.0 (kernel/module/main.c:3016)
[   20.599045][  T312]  ? __ia32_sys_fsconfig (??:?)
[   20.599049][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   20.599052][  T312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   20.599055][  T312]  init_module_from_file (kernel/module/main.c:3790)
[   20.599058][  T312]  ? __do_sys_init_module (kernel/module/main.c:3664)
[   20.599065][  T312]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   20.599069][  T312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.599072][  T312]  idempotent_init_module (kernel/module/main.c:3802)
[   20.599075][  T312]  ? init_module_from_file (kernel/module/main.c:3791)
[   20.599080][  T312]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   20.599082][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536)
[   20.599087][  T312]  __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812)
[   20.599088][  T312]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.599093][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   20.599096][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   20.599098][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.599100][  T312] RIP: 0033:0x7ff88092a37d
[   20.599103][  T312] 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
[   20.599105][  T312] RSP: 002b:00007ffda048edf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[   20.599108][  T312] RAX: ffffffffffffffda RBX: 000055cf5f6f4810 RCX: 00007ff88092a37d
[   20.599109][  T312] RDX: 0000000000000000 RSI: 000055cf272e7ffd RDI: 0000000000000000
[   20.599110][  T312] RBP: 00007ffda048ee90 R08: 0000000000000000 R09: 0000000000000000
[   20.599111][  T312] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cf272e7ffd
[   20.599112][  T312] R13: 000055cf5f6f4960 R14: 0000000000040000 R15: 0000000000000000
| [   27.137625][   T70] softirqs last disabled at (52468): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   27.137627][   T70] Preemption disabled at:
| [   27.137628][   T70] 0x0
| [   27.137638][   T70] Tainted: [W]=WARN
[   27.137639][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.137641][   T70] Workqueue: netns cleanup_net
[   27.137645][   T70] Call Trace:
[   27.137646][   T70]  <TASK>
[   27.137649][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.137655][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.137660][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.137664][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   27.137668][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   27.137670][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.137677][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.137679][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.137683][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   27.137688][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.137694][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.137703][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.137706][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.137711][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.137715][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.137717][   T70]  ? 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))
[   27.137721][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.137723][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.137727][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.137732][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.137734][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   27.137739][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.137742][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.137744][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.137746][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   27.137749][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.137751][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.137754][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.137757][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.137758][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.137764][   T70]  _printk (kernel/printk/printk.c:2504)
[   27.137768][   T70]  ? snapshot_read.cold (user.c:?)
[   27.137776][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   27.137780][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   27.137784][   T70]  br_device_event (net/bridge/br.c:111)
[   27.137786][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   27.137790][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   27.137796][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   27.137802][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   27.137805][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   27.137809][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   27.137812][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   27.137816][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   27.137818][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   27.137821][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.137822][   T70]  ? kthread (kernel/kthread.c:436)
[   27.137825][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   27.137828][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   27.137830][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   27.137834][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   27.137839][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   27.137843][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   27.137845][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.137848][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   27.137852][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   27.137856][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   27.137859][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   27.137860][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   27.137863][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   27.137869][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   27.137872][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.137876][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.137878][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.137881][   T70]  process_one_work (kernel/workqueue.c:3387)
[   27.137888][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.137891][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   27.137899][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.137903][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.137905][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   27.137908][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.137911][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.137913][   T70]  kthread (kernel/kthread.c:436)
[   27.137915][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.137918][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.137921][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.137924][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.137927][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.137931][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.137934][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.460333][  T557] softirqs last disabled at (22430): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   30.460335][  T557] Preemption disabled at:
| [   30.460336][  T557] vprintk_emit (kernel/printk/printk.c:2471)
| [   30.460344][  T557] Tainted: [W]=WARN
[   30.460345][  T557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.460346][  T557] Call Trace:
[   30.460348][  T557]  <TASK>
[   30.460350][  T557]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   30.460355][  T557]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   30.460357][  T557]  __might_resched.cold (kernel/sched/core.c:9234)
[   30.460361][  T557]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   30.460365][  T557]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   30.460370][  T557]  __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))
[   30.460371][  T557]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.460378][  T557]  ? 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)
[   30.460381][  T557]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   30.460384][  T557]  put_chars (drivers/char/virtio_console.c:1176)
[   30.460387][  T557]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   30.460388][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.460392][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.460397][  T557]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   30.460405][  T557]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   30.460407][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460409][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.460413][  T557]  console_emit_next_record (kernel/printk/printk.c:3183)
[   30.460417][  T557]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   30.460419][  T557]  ? 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))
[   30.460422][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460424][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.460428][  T557]  console_flush_one_record (kernel/printk/printk.c:3268)
[   30.460432][  T557]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   30.460434][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.460439][  T557]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   30.460442][  T557]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   30.460444][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460446][  T557]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   30.460449][  T557]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   30.460451][  T557]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   30.460454][  T557]  vprintk_emit (kernel/printk/printk.c:2479)
[   30.460457][  T557]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   30.460459][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.460461][  T557]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   30.460465][  T557]  _printk (kernel/printk/printk.c:2504)
[   30.460469][  T557]  ? snapshot_read.cold (user.c:?)
[   30.460472][  T557]  ? br_multicast_flood (??:?)
[   30.460475][  T557]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.460476][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.460477][  T557]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.460482][  T557]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   30.460486][  T557]  br_init_port (net/bridge/br_stp_if.c:39)
[   30.460488][  T557]  new_nbp (net/bridge/br_if.c:449)
[   30.460492][  T557]  br_add_if (net/bridge/br_if.c:592)
[   30.460495][  T557]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.460499][  T557]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   30.460504][  T557]  do_set_master (net/core/rtnetlink.c:3071)
[   30.460506][  T557]  ? netif_change_flags (net/core/dev.c:9882)
[   30.460509][  T557]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   30.460513][  T557]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   30.460516][  T557]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   30.460517][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.460520][  T557]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.460523][  T557]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   30.460525][  T557]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.460527][  T557]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   30.460529][  T557]  ? kasan_save_stack (mm/kasan/common.c:58)
[   30.460532][  T557]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.460533][  T557]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.460534][  T557]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.460536][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.460538][  T557]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   30.460542][  T557]  ? ___sys_sendmsg (net/socket.c:2758)
[   30.460546][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.460548][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.460550][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460552][  T557]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   30.460554][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460555][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460556][  T557]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   30.460559][  T557]  ? __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)
[   30.460561][  T557]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   30.460563][  T557]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   30.460567][  T557]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   30.460568][  T557]  ? nla_get_range_signed (lib/nlattr.c:270)
[   30.460573][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460575][  T557]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   30.460580][  T557]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   30.460585][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.460587][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.460591][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.460593][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.460596][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.460597][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.460601][  T557]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   30.460603][  T557]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   30.460606][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.460607][  T557]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   30.460612][  T557]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   30.460614][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.460617][  T557]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   30.460621][  T557]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.460623][  T557]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.460630][  T557]  ? 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))
[   30.460632][  T557]  ? 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))
[   30.460636][  T557]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.460640][  T557]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.460643][  T557]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   30.460647][  T557]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   30.460651][  T557]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   30.460655][  T557]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   30.460656][  T557]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   30.460662][  T557]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   30.460664][  T557]  ____sys_sendmsg (net/socket.c:2713)
[   30.460667][  T557]  ? copy_msghdr_from_user (net/socket.c:2650)
[   30.460669][  T557]  ? sock_write_iter (net/socket.c:1269)
[   30.460670][  T557]  ? move_addr_to_kernel (net/socket.c:258)
[   30.460678][  T557]  ___sys_sendmsg (net/socket.c:2767)
[   30.460681][  T557]  ? copy_msghdr_from_user (net/socket.c:2619)
[   30.460698][  T557]  __sys_sendmsg (net/socket.c:2799)
[   30.460701][  T557]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   30.460707][  T557]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   30.460710][  T557]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   30.460713][  T557]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   30.460716][  T557]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.460718][  T557] RIP: 0033:0x7f265bfe554e
[   30.460722][  T557] 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
[   30.460724][  T557] RSP: 002b:00007ffc4e2be400 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.460726][  T557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f265bfe554e
[   30.460728][  T557] RDX: 0000000000000000 RSI: 00007ffc4e2be4b0 RDI: 0000000000000005
[   30.460728][  T557] RBP: 00007ffc4e2be410 R08: 0000000000000000 R09: 0000000000000000
[   30.460729][  T557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91562d
[   30.460730][  T557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4e2beb80
| [   38.215556][   T70] softirqs last disabled at (293996): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109)
| [   38.215560][   T70] Preemption disabled at:
| [   38.215561][   T70] 0x0
| [   38.215574][   T70] Tainted: [W]=WARN
[   38.215576][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.215579][   T70] Workqueue: netns cleanup_net
[   38.215583][   T70] Call Trace:
[   38.215585][   T70]  <TASK>
[   38.215588][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   38.215596][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   38.215603][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.215608][   T70]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   38.215615][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   38.215619][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.215628][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   38.215632][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   38.215638][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   38.215642][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   38.215655][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   38.215667][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   38.215673][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.215680][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   38.215690][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   38.215693][   T70]  ? 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))
[   38.215698][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.215702][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.215709][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   38.215717][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   38.215719][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   38.215729][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   38.215734][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   38.215737][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.215740][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   38.215746][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   38.215749][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   38.215754][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   38.215760][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   38.215762][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.215766][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   38.215770][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   38.215777][   T70]  _printk (kernel/printk/printk.c:2504)
[   38.215782][   T70]  ? snapshot_read.cold (user.c:?)
[   38.215796][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   38.215804][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   38.215810][   T70]  br_device_event (net/bridge/br.c:111)
[   38.215813][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   38.215818][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   38.215829][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   38.215839][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   38.215843][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   38.215849][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   38.215854][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   38.215861][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   38.215865][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   38.215869][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.215871][   T70]  ? kthread (kernel/kthread.c:436)
[   38.215874][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   38.215878][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   38.215882][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   38.215888][   T70]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   38.215899][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   38.215905][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   38.215909][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   38.215913][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   38.215920][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   38.215926][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   38.215930][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   38.215932][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   38.215938][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   38.215945][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   38.215951][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   38.215957][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   38.215960][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   38.215967][   T70]  process_one_work (kernel/workqueue.c:3387)
[   38.215979][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   38.215983][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   38.215998][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   38.216005][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.216008][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   38.216012][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.216017][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   38.216020][   T70]  kthread (kernel/kthread.c:436)
[   38.216023][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   38.216028][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.216032][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   38.216037][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   38.216043][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   38.216048][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   38.216052][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.633026][  T756] softirqs last disabled at (18700): addrconf_permanent_addr (net/ipv6/addrconf.c:3651)
| [   41.633030][  T756] Preemption disabled at:
| [   41.633030][  T756] vprintk_emit (kernel/printk/printk.c:2471)
| [   41.633042][  T756] Tainted: [W]=WARN
[   41.633043][  T756] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.633046][  T756] Call Trace:
[   41.633048][  T756]  <TASK>
[   41.633050][  T756]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   41.633058][  T756]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   41.633060][  T756]  __might_resched.cold (kernel/sched/core.c:9234)
[   41.633066][  T756]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   41.633072][  T756]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   41.633079][  T756]  __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))
[   41.633082][  T756]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.633091][  T756]  ? 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)
[   41.633095][  T756]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   41.633101][  T756]  put_chars (drivers/char/virtio_console.c:1176)
[   41.633105][  T756]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   41.633107][  T756]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.633112][  T756]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.633122][  T756]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   41.633134][  T756]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   41.633143][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633147][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.633154][  T756]  console_emit_next_record (kernel/printk/printk.c:3183)
[   41.633160][  T756]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   41.633163][  T756]  ? 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))
[   41.633168][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633171][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.633178][  T756]  console_flush_one_record (kernel/printk/printk.c:3268)
[   41.633185][  T756]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   41.633188][  T756]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.633197][  T756]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   41.633202][  T756]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   41.633204][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633207][  T756]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   41.633214][  T756]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   41.633216][  T756]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   41.633221][  T756]  vprintk_emit (kernel/printk/printk.c:2479)
[   41.633227][  T756]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   41.633230][  T756]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.633234][  T756]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   41.633240][  T756]  _printk (kernel/printk/printk.c:2504)
[   41.633245][  T756]  ? snapshot_read.cold (user.c:?)
[   41.633251][  T756]  ? br_multicast_flood (??:?)
[   41.633255][  T756]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.633257][  T756]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.633259][  T756]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.633267][  T756]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   41.633273][  T756]  br_init_port (net/bridge/br_stp_if.c:39)
[   41.633278][  T756]  new_nbp (net/bridge/br_if.c:449)
[   41.633284][  T756]  br_add_if (net/bridge/br_if.c:592)
[   41.633288][  T756]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   41.633293][  T756]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   41.633302][  T756]  do_set_master (net/core/rtnetlink.c:3071)
[   41.633304][  T756]  ? netif_change_flags (net/core/dev.c:9882)
[   41.633310][  T756]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   41.633316][  T756]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   41.633321][  T756]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   41.633323][  T756]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   41.633327][  T756]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   41.633331][  T756]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   41.633335][  T756]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   41.633338][  T756]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   41.633342][  T756]  ? kasan_save_stack (mm/kasan/common.c:58)
[   41.633345][  T756]  ? kasan_save_stack (mm/kasan/common.c:57)
[   41.633347][  T756]  ? kasan_save_track (mm/kasan/common.c:78)
[   41.633349][  T756]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   41.633353][  T756]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.633356][  T756]  ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320)
[   41.633360][  T756]  ? ___sys_sendmsg (net/socket.c:2758)
[   41.633366][  T756]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.633369][  T756]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.633374][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633377][  T756]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   41.633379][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633381][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633384][  T756]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   41.633388][  T756]  ? __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)
[   41.633391][  T756]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   41.633394][  T756]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   41.633400][  T756]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   41.633402][  T756]  ? nla_get_range_signed (lib/nlattr.c:270)
[   41.633410][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633414][  T756]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   41.633424][  T756]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   41.633434][  T756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.633437][  T756]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.633445][  T756]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.633448][  T756]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.633451][  T756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.633454][  T756]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.633460][  T756]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   41.633464][  T756]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   41.633470][  T756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.633472][  T756]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   41.633480][  T756]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   41.633483][  T756]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.633489][  T756]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   41.633493][  T756]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   41.633498][  T756]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   41.633510][  T756]  ? 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))
[   41.633513][  T756]  ? 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))
[   41.633521][  T756]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   41.633527][  T756]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   41.633531][  T756]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   41.633539][  T756]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   41.633546][  T756]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   41.633553][  T756]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   41.633555][  T756]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   41.633564][  T756]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   41.633568][  T756]  ____sys_sendmsg (net/socket.c:2713)
[   41.633572][  T756]  ? copy_msghdr_from_user (net/socket.c:2650)
[   41.633575][  T756]  ? sock_write_iter (net/socket.c:1269)
[   41.633578][  T756]  ? move_addr_to_kernel (net/socket.c:258)
[   41.633591][  T756]  ___sys_sendmsg (net/socket.c:2767)
[   41.633596][  T756]  ? copy_msghdr_from_user (net/socket.c:2619)
[   41.633625][  T756]  __sys_sendmsg (net/socket.c:2799)
[   41.633630][  T756]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   41.633641][  T756]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   41.633646][  T756]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   41.633650][  T756]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   41.633655][  T756]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   41.633658][  T756] RIP: 0033:0x7f7a7031054e
[   41.633663][  T756] 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
[   41.633666][  T756] RSP: 002b:00007ffedaef0170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   41.633669][  T756] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a7031054e
[   41.633671][  T756] RDX: 0000000000000000 RSI: 00007ffedaef0220 RDI: 0000000000000005
[   41.633673][  T756] RBP: 00007ffedaef0180 R08: 0000000000000000 R09: 0000000000000000
[   41.633674][  T756] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915638
[   41.633676][  T756] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffedaef08f0
| [   42.656068][  T779] softirqs last disabled at (19184): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883)
| [   42.656070][  T779] Preemption disabled at:
| [   42.656070][  T779] vprintk_emit (kernel/printk/printk.c:2471)
| [   42.656079][  T779] Tainted: [W]=WARN
[   42.656079][  T779] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.656081][  T779] Call Trace:
[   42.656083][  T779]  <TASK>
[   42.656084][  T779]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   42.656090][  T779]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   42.656092][  T779]  __might_resched.cold (kernel/sched/core.c:9234)
[   42.656096][  T779]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   42.656101][  T779]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   42.656105][  T779]  __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))
[   42.656107][  T779]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.656113][  T779]  ? 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)
[   42.656116][  T779]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   42.656120][  T779]  put_chars (drivers/char/virtio_console.c:1176)
[   42.656122][  T779]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   42.656124][  T779]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   42.656127][  T779]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   42.656130][  T779]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   42.656135][  T779]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   42.656138][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.656147][  T779]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   42.656151][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.656156][  T779]  console_emit_next_record (kernel/printk/printk.c:3183)
[   42.656160][  T779]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   42.656162][  T779]  ? 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))
[   42.656165][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.656167][  T779]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   42.656171][  T779]  console_flush_one_record (kernel/printk/printk.c:3268)
[   42.656175][  T779]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   42.656177][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.656182][  T779]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   42.656185][  T779]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   42.656187][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.656188][  T779]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   42.656192][  T779]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   42.656194][  T779]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   42.656197][  T779]  vprintk_emit (kernel/printk/printk.c:2479)
[   42.656200][  T779]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   42.656202][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.656204][  T779]  ? mark_held_locks (kernel/locking/lockdep.c:4341)
[   42.656208][  T779]  _printk (kernel/printk/printk.c:2504)
[   42.656211][  T779]  ? snapshot_read.cold (user.c:?)
[   42.656215][  T779]  ? br_multicast_flood (??:?)
[   42.656218][  T779]  ? rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   42.656219][  T779]  ? __rtnl_newlink (net/core/rtnetlink.c:4098)
[   42.656221][  T779]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.656225][  T779]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   42.656229][  T779]  br_init_port (net/bridge/br_stp_if.c:39)
[   42.656232][  T779]  new_nbp (net/bridge/br_if.c:449)
[   42.656236][  T779]  br_add_if (net/bridge/br_if.c:592)
[   42.656238][  T779]  ? netif_set_allmulti (./include/net/netdev_lock.h:33 ./include/net/netdev_lock.h:69 net/core/dev.c:9712)
[   42.656245][  T779]  do_set_master (net/core/rtnetlink.c:3071)
[   42.656249][  T779]  rtnl_newlink_create (net/core/rtnetlink.c:3982 (discriminator 1))
[   42.656252][  T779]  ? rtnl_create_link (net/core/rtnetlink.c:3756)
[   42.656254][  T779]  ? __dev_get_by_name (net/core/dev.c:905)
[   42.656256][  T779]  ? rtnl_dev_get (net/core/rtnetlink.c:3538)
[   42.656265][  T779]  __rtnl_newlink (net/core/rtnetlink.c:4098)
[   42.656272][  T779]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   42.656277][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.656279][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.656286][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.656289][  T779]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   42.656291][  T779]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   42.656294][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.656296][  T779]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   42.656300][  T779]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   42.656302][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.656306][  T779]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   42.656309][  T779]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   42.656312][  T779]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   42.656318][  T779]  ? 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))
[   42.656320][  T779]  ? 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))
[   42.656325][  T779]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   42.656329][  T779]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   42.656334][  T779]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   42.656338][  T779]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   42.656342][  T779]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   42.656344][  T779]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   42.656349][  T779]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   42.656353][  T779]  ____sys_sendmsg (net/socket.c:2713)
[   42.656356][  T779]  ? copy_msghdr_from_user (net/socket.c:2650)
[   42.656358][  T779]  ? sock_write_iter (net/socket.c:1269)
[   42.656359][  T779]  ? move_addr_to_kernel (net/socket.c:258)
[   42.656364][  T779]  ? do_fault_around (./include/linux/rcupdate.h:882 mm/memory.c:5961)
[   42.656366][  T779]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   42.656370][  T779]  ___sys_sendmsg (net/socket.c:2767)
[   42.656372][  T779]  ? do_pte_missing (mm/memory.c:5991 mm/memory.c:6134 mm/memory.c:4700)
[   42.656374][  T779]  ? copy_msghdr_from_user (net/socket.c:2619)
[   42.656377][  T779]  ? rcu_read_unlock (./include/linux/rcupdate.h:878 (discriminator 6))
[   42.656391][  T779]  __sys_sendmsg (net/socket.c:2799)
[   42.656394][  T779]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   42.656400][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.656402][  T779]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   42.656404][  T779]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   42.656408][  T779]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   42.656411][  T779]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   42.656413][  T779] RIP: 0033:0x7f35b692054e
[   42.656417][  T779] 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
[   42.656418][  T779] RSP: 002b:00007fff7d25b830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   42.656421][  T779] RAX: ffffffffffffffda RBX: 00007fff7d25bff8 RCX: 00007f35b692054e
[   42.656422][  T779] RDX: 0000000000000000 RSI: 00007fff7d25b8e0 RDI: 0000000000000005
[   42.656423][  T779] RBP: 00007fff7d25b840 R08: 0000000000000000 R09: 0000000000000000
[   42.656424][  T779] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915639
[   42.656425][  T779] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff7d25bfb0
| [   56.823779][    C3] softirqs last disabled at (4589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   56.823780][    C3] Preemption disabled at:
| [   56.823781][    C3] 0x0
| [   56.823791][    C3] Tainted: [W]=WARN
[   56.823792][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.823793][    C3] Call Trace:
[   56.823795][    C3]  <IRQ>
[   56.823797][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.823803][    C3]  __might_resched.cold (kernel/sched/core.c:9234)
[   56.823806][    C3]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   56.823810][    C3]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   56.823813][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823816][    C3]  __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))
[   56.823819][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.823822][    C3]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.823826][    C3]  ? 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)
[   56.823828][    C3]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   56.823830][    C3]  put_chars (drivers/char/virtio_console.c:1176)
[   56.823832][    C3]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   56.823833][    C3]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   56.823836][    C3]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   56.823841][    C3]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   56.823843][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823844][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.823847][    C3]  console_emit_next_record (kernel/printk/printk.c:3183)
[   56.823849][    C3]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   56.823851][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823852][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823853][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.823855][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   56.823857][    C3]  console_flush_one_record (kernel/printk/printk.c:3268)
[   56.823859][    C3]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   56.823862][    C3]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   56.823864][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.823866][    C3]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   56.823867][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823868][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.823870][    C3]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   56.823872][    C3]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   56.823874][    C3]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   56.823876][    C3]  vprintk_emit (kernel/printk/printk.c:2479)
[   56.823877][    C3]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   56.823878][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823879][    C3]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   56.823882][    C3]  _printk (kernel/printk/printk.c:2504)
[   56.823885][    C3]  ? snapshot_read.cold (user.c:?)
[   56.823886][    C3]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   56.823889][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.823891][    C3]  ? nbcon_cpu_emergency_enter (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:435 kernel/printk/nbcon.c:1723)
[   56.823893][    C3]  print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4097 (discriminator 1))
[   56.823896][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   56.823899][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   56.823900][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   56.823902][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   56.823905][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.823906][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.823910][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823911][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.823912][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.823914][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   56.823915][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.823917][    C3]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.823918][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.823920][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   56.823923][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   56.823925][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   56.823928][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.823930][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.823932][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823933][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   56.823935][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.823937][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   56.823939][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.823941][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.823944][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   56.823946][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   56.823948][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.823950][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.823951][    C3]  handle_softirqs (kernel/softirq.c:645)
[   56.823953][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.823955][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   56.823957][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   56.823959][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   56.823960][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   56.823963][    C3]  </IRQ>
[   56.823963][    C3]  <TASK>
[   56.823964][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   56.823966][    C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   56.823969][    C3] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 80 78 fd       	call   0xfffffffffd788054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 d6 78 fd       	call   0xfffffffffd78d664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9f04
  34:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9eda
   a:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   56.823970][    C3] RSP: 0018:ffa0000002ad7538 EFLAGS: 00000246
[   56.823973][    C3] RAX: 0000000000000096 RBX: ff11000001041440 RCX: ffffffffaa3e1483
[   56.823975][    C3] RDX: ff1100000feea3c0 RSI: ffffffffaad11027 RDI: ffffffffaa6949e0
[   56.823976][    C3] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   56.823977][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000001041440
[   56.823978][    C3] R13: ffd400000017ef90 R14: ffd400000017ef80 R15: ff11000005fbe788
[   56.823979][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   56.823982][    C3]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   56.823984][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.823986][    C3]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   56.823988][    C3]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   56.823990][    C3]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   56.823991][    C3]  ? ovl_open (fs/overlayfs/file.c:222)
[   56.823994][    C3]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   56.823997][    C3]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   56.823998][    C3]  __create_object (mm/kmemleak.c:801)
[   56.824000][    C3]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   56.824001][    C3]  ? fuse_file_alloc (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/fuse/file.c:64 (discriminator 1))
[   56.824005][    C3]  fuse_file_alloc (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/fuse/file.c:64 (discriminator 1))
[   56.824006][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.824008][    C3]  fuse_file_open (fs/fuse/file.c:150)
[   56.824010][    C3]  fuse_open (fs/fuse/file.c:192 fs/fuse/file.c:281)
[   56.824011][    C3]  ? fuse_finish_open (fs/fuse/file.c:232)
[   56.824013][    C3]  do_dentry_open (fs/open.c:996)
[   56.824016][    C3]  vfs_open (fs/open.c:1101)
[   56.824018][    C3]  ? 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)
[   56.824020][    C3]  backing_file_open (fs/backing-file.c:48)
[   56.824023][    C3]  ? generic_permission (./include/linux/fs.h:1406 ./include/linux/fs.h:1445 fs/namei.c:467 fs/namei.c:529)
[   56.824025][    C3]  ovl_open_realfile (fs/overlayfs/file.c:51 (discriminator 1))
[   56.824027][    C3]  ovl_open (fs/overlayfs/file.c:222)
[   56.824029][    C3]  ? ovl_llseek (fs/overlayfs/file.c:255)
[   56.824030][    C3]  ? 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)
[   56.824032][    C3]  ? ovl_llseek (fs/overlayfs/file.c:255)
[   56.824033][    C3]  do_dentry_open (fs/open.c:996)
[   56.824036][    C3]  ? inode_permission (fs/namei.c:583 fs/namei.c:653)
[   56.824038][    C3]  vfs_open (fs/open.c:1101)
[   56.824039][    C3]  ? security_inode_permission (security/security.c:1842 (discriminator 11))
[   56.824041][    C3]  ? may_open (fs/namei.c:4269)
[   56.824043][    C3]  do_open (fs/namei.c:4837)
[   56.824045][    C3]  ? open_last_lookups (fs/namei.c:2152 fs/namei.c:4780)
[   56.824048][    C3]  path_openat (fs/namei.c:5000)
[   56.824049][    C3]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.824051][    C3]  ? kernel_tmpfile_open (fs/namei.c:4942)
[   56.824053][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.824054][    C3]  do_file_open (fs/namei.c:5029)
[   56.824056][    C3]  ? path_openat (./include/linux/mount.h:68 (discriminator 3))
[   56.824057][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.824059][    C3]  ? page_get_link_raw (fs/namei.c:6482)
[   56.824062][    C3]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   56.824063][    C3]  ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610)
[   56.824067][    C3]  do_sys_openat2 (fs/open.c:1417 (discriminator 5))
[   56.824068][    C3]  ? build_open_flags (fs/open.c:1319 (discriminator 3))
[   56.824070][    C3]  __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434)
[   56.824072][    C3]  ? __ia32_sys_open (fs/open.c:1427)
[   56.824073][    C3]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   56.824075][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.824077][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.824078][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.824081][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.824083][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.824084][    C3] RIP: 0033:0x7f5ddca9a6e5
[   56.824085][    C3] Code: 48 89 e5 48 89 55 e0 41 83 e2 40 75 28 89 f2 f7 d2 81 e2 00 00 41 00 74 1c 89 f2 bf 9c ff ff ff 48 89 c6 b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 5d c3 90 48 8d 4d 10 c7 45 b8 10 00 00 00
All code
========
   0:	48 89 e5             	mov    %rsp,%rbp
   3:	48 89 55 e0          	mov    %rdx,-0x20(%rbp)
   7:	41 83 e2 40          	and    $0x40,%r10d
   b:	75 28                	jne    0x35
   d:	89 f2                	mov    %esi,%edx
   f:	f7 d2                	not    %edx
  11:	81 e2 00 00 41 00    	and    $0x410000,%edx
  17:	74 1c                	je     0x35
  19:	89 f2                	mov    %esi,%edx
  1b:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  20:	48 89 c6             	mov    %rax,%rsi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 23                	ja     0x55
  32:	5d                   	pop    %rbp
  33:	c3                   	ret
  34:	90                   	nop
  35:	48 8d 4d 10          	lea    0x10(%rbp),%rcx
  39:	c7 45 b8 10 00 00 00 	movl   $0x10,-0x48(%rbp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 23                	ja     0x2b
   8:	5d                   	pop    %rbp
   9:	c3                   	ret
   a:	90                   	nop
   b:	48 8d 4d 10          	lea    0x10(%rbp),%rcx
   f:	c7 45 b8 10 00 00 00 	movl   $0x10,-0x48(%rbp)
[   56.824086][    C3] RSP: 002b:00007fffec607a60 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[   56.824088][    C3] RAX: ffffffffffffffda RBX: 00007fffec607cf0 RCX: 00007f5ddca9a6e5
[   56.824089][    C3] RDX: 0000000000080000 RSI: 00007fffec607ae0 RDI: 00000000ffffff9c
[   56.824090][    C3] RBP: 00007fffec607a60 R08: 00007fffec607cd7 R09: 0000000000000000
[   56.824091][    C3] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffec607ae0
[   56.824091][    C3] R13: 00007fffec607ae0 R14: 00007f5ddca6c000 R15: 0000000000000000
| [   56.911420][    C3]
| [   56.911501][    C3]
| [   56.911501][    C3] stack backtrace:
| [   56.911705][    C3] Tainted: [W]=WARN
[   56.911706][    C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.911707][    C3] Call Trace:
[   56.911708][    C3]  <IRQ>
[   56.911709][    C3]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   56.911713][    C3]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   56.911716][    C3]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   56.911719][    C3]  mark_lock (kernel/locking/lockdep.c:4769)
[   56.911721][    C3]  mark_usage (kernel/locking/lockdep.c:4658)
[   56.911723][    C3]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   56.911725][    C3]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.911727][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.911729][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.911730][    C3]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   56.911732][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.911734][    C3]  _raw_spin_lock (./include/linux/spinlock_api_smp.h:190 (discriminator 1) kernel/locking/spinlock.c:173 (discriminator 1))
[   56.911735][    C3]  ? br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.911736][    C3]  br_forward_delay_timer_expired (./include/linux/spinlock.h:347 net/bridge/br_stp_timer.c:88)
[   56.911738][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.911739][    C3]  call_timer_fn (kernel/time/timer.c:1748)
[   56.911742][    C3]  ? detach_if_pending (./include/linux/list.h:1159)
[   56.911744][    C3]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   56.911746][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.911748][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.911750][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.911752][    C3]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   56.911753][    C3]  ? br_message_age_timer_expired (net/bridge/br_stp_timer.c:54)
[   56.911755][    C3]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   56.911757][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.911760][    C3]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   56.911763][    C3]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   56.911765][    C3]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   56.911767][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.911769][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.911770][    C3]  handle_softirqs (kernel/softirq.c:645)
[   56.911772][    C3]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   56.911774][    C3]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   56.911776][    C3]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   56.911778][    C3]  irq_exit_rcu (kernel/softirq.c:784)
[   56.911780][    C3]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   56.911781][    C3]  </IRQ>
[   56.911782][    C3]  <TASK>
[   56.911783][    C3]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   56.911784][    C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 12) kernel/locking/spinlock.c:221 (discriminator 12))
[   56.911786][    C3] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 41 80 78 fd 48 89 df e8 49 d6 78 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 d0 9e 6a fd 65 48 83 3d af ab 65 02 00 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 41 80 78 fd       	call   0xfffffffffd788054
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 49 d6 78 fd       	call   0xfffffffffd78d664
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9f04
  34:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abec
  3b:	02 00 
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 d0 9e 6a fd       	call   0xfffffffffd6a9eda
   a:	65 48 83 3d af ab 65 	cmpq   $0x0,%gs:0x265abaf(%rip)        # 0x265abc2
  11:	02 00 
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[   56.911787][    C3] RSP: 0018:ffa0000002ad7538 EFLAGS: 00000246
[   56.911789][    C3] RAX: 0000000000000096 RBX: ff11000001041440 RCX: ffffffffaa3e1483
[   56.911790][    C3] RDX: ff1100000feea3c0 RSI: ffffffffaad11027 RDI: ffffffffaa6949e0
[   56.911791][    C3] RBP: 0000000000000246 R08: 0000000000000000 R09: 0000000000000000
[   56.911792][    C3] R10: 0000000000000003 R11: 0000000000000001 R12: ff11000001041440
[   56.911792][    C3] R13: ffd400000017ef90 R14: ffd400000017ef80 R15: ff11000005fbe788
[   56.911794][    C3]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   56.911796][    C3]  get_from_partial_node (./include/linux/spinlock.h:425 (discriminator 3) mm/slub.c:3943 (discriminator 3))
[   56.911798][    C3]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   56.911800][    C3]  ___slab_alloc (mm/slub.c:4034 (discriminator 1) mm/slub.c:4564 (discriminator 1))
[   56.911802][    C3]  ? __pcs_replace_empty_main (mm/slub.c:4737 (discriminator 20))
[   56.911804][    C3]  kmem_cache_alloc_noprof (mm/slub.c:4987 mm/slub.c:5010)
[   56.911805][    C3]  ? ovl_open (fs/overlayfs/file.c:222)
[   56.911806][    C3]  ? __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   56.911808][    C3]  __alloc_object (mm/kmemleak.c:504 (discriminator 1) mm/kmemleak.c:686 (discriminator 1))
[   56.911810][    C3]  __create_object (mm/kmemleak.c:801)
[   56.911811][    C3]  __kmalloc_cache_noprof (./include/linux/kmemleak.h:44 mm/slub.c:4696 mm/slub.c:4996 mm/slub.c:5559)
[   56.911813][    C3]  ? fuse_file_alloc (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/fuse/file.c:64 (discriminator 1))
[   56.911815][    C3]  fuse_file_alloc (./include/linux/slab.h:991 (discriminator 1) ./include/linux/slab.h:1312 (discriminator 1) fs/fuse/file.c:64 (discriminator 1))
[   56.911816][    C3]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   56.911818][    C3]  fuse_file_open (fs/fuse/file.c:150)
[   56.911820][    C3]  fuse_open (fs/fuse/file.c:192 fs/fuse/file.c:281)
[   56.911821][    C3]  ? fuse_finish_open (fs/fuse/file.c:232)
[   56.911823][    C3]  do_dentry_open (fs/open.c:996)
[   56.911826][    C3]  vfs_open (fs/open.c:1101)
[   56.911827][    C3]  ? 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)
[   56.911829][    C3]  backing_file_open (fs/backing-file.c:48)
[   56.911831][    C3]  ? generic_permission (./include/linux/fs.h:1406 ./include/linux/fs.h:1445 fs/namei.c:467 fs/namei.c:529)
[   56.911833][    C3]  ovl_open_realfile (fs/overlayfs/file.c:51 (discriminator 1))
[   56.911835][    C3]  ovl_open (fs/overlayfs/file.c:222)
[   56.911836][    C3]  ? ovl_llseek (fs/overlayfs/file.c:255)
[   56.911838][    C3]  ? 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)
[   56.911840][    C3]  ? ovl_llseek (fs/overlayfs/file.c:255)
[   56.911841][    C3]  do_dentry_open (fs/open.c:996)
[   56.911844][    C3]  ? inode_permission (fs/namei.c:583 fs/namei.c:653)
[   56.911845][    C3]  vfs_open (fs/open.c:1101)
[   56.911847][    C3]  ? security_inode_permission (security/security.c:1842 (discriminator 11))
[   56.911849][    C3]  ? may_open (fs/namei.c:4269)
[   56.911851][    C3]  do_open (fs/namei.c:4837)
[   56.911853][    C3]  ? open_last_lookups (fs/namei.c:2152 fs/namei.c:4780)
[   56.911855][    C3]  path_openat (fs/namei.c:5000)
[   56.911856][    C3]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.911859][    C3]  ? kernel_tmpfile_open (fs/namei.c:4942)
[   56.911860][    C3]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   56.911862][    C3]  do_file_open (fs/namei.c:5029)
[   56.911864][    C3]  ? path_openat (./include/linux/mount.h:68 (discriminator 3))
[   56.911865][    C3]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   56.911867][    C3]  ? page_get_link_raw (fs/namei.c:6482)
[   56.911870][    C3]  ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1))
[   56.911871][    C3]  ? alloc_fd (./include/linux/spinlock.h:401 fs/file.c:610)
[   56.911875][    C3]  do_sys_openat2 (fs/open.c:1417 (discriminator 5))
[   56.911876][    C3]  ? build_open_flags (fs/open.c:1319 (discriminator 3))
[   56.911878][    C3]  __x64_sys_openat (fs/open.c:1423 fs/open.c:1439 fs/open.c:1434 fs/open.c:1434)
[   56.911880][    C3]  ? __ia32_sys_open (fs/open.c:1427)
[   56.911881][    C3]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   56.911883][    C3]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   56.911884][    C3]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.911886][    C3]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   56.911888][    C3]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   56.911890][    C3]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.911891][    C3] RIP: 0033:0x7f5ddca9a6e5
[   56.911892][    C3] Code: 48 89 e5 48 89 55 e0 41 83 e2 40 75 28 89 f2 f7 d2 81 e2 00 00 41 00 74 1c 89 f2 bf 9c ff ff ff 48 89 c6 b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 23 5d c3 90 48 8d 4d 10 c7 45 b8 10 00 00 00
All code
========
   0:	48 89 e5             	mov    %rsp,%rbp
   3:	48 89 55 e0          	mov    %rdx,-0x20(%rbp)
   7:	41 83 e2 40          	and    $0x40,%r10d
   b:	75 28                	jne    0x35
   d:	89 f2                	mov    %esi,%edx
   f:	f7 d2                	not    %edx
  11:	81 e2 00 00 41 00    	and    $0x410000,%edx
  17:	74 1c                	je     0x35
  19:	89 f2                	mov    %esi,%edx
  1b:	bf 9c ff ff ff       	mov    $0xffffff9c,%edi
  20:	48 89 c6             	mov    %rax,%rsi
  23:	b8 01 01 00 00       	mov    $0x101,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 23                	ja     0x55
  32:	5d                   	pop    %rbp
  33:	c3                   	ret
  34:	90                   	nop
  35:	48 8d 4d 10          	lea    0x10(%rbp),%rcx
  39:	c7 45 b8 10 00 00 00 	movl   $0x10,-0x48(%rbp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 23                	ja     0x2b
   8:	5d                   	pop    %rbp
   9:	c3                   	ret
   a:	90                   	nop
   b:	48 8d 4d 10          	lea    0x10(%rbp),%rcx
   f:	c7 45 b8 10 00 00 00 	movl   $0x10,-0x48(%rbp)
[   56.911893][    C3] RSP: 002b:00007fffec607a60 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
[   56.911895][    C3] RAX: ffffffffffffffda RBX: 00007fffec607cf0 RCX: 00007f5ddca9a6e5
[   56.911896][    C3] RDX: 0000000000080000 RSI: 00007fffec607ae0 RDI: 00000000ffffff9c
[   56.911896][    C3] RBP: 00007fffec607a60 R08: 00007fffec607cd7 R09: 0000000000000000
[   56.911897][    C3] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffec607ae0
[   56.911898][    C3] R13: 00007fffec607ae0 R14: 00007f5ddca6c000 R15: 0000000000000000
| [   62.448619][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   62.448621][   T70] Preemption disabled at:
| [   62.448622][   T70] 0x0
| [   62.448632][   T70] Tainted: [W]=WARN
[   62.448633][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.448635][   T70] Workqueue: netns cleanup_net
[   62.448640][   T70] Call Trace:
[   62.448642][   T70]  <TASK>
[   62.448643][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   62.448649][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   62.448653][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.448657][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448660][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   62.448663][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.448666][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.448670][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   62.448672][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   62.448674][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   62.448676][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   62.448677][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   62.448680][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   62.448682][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   62.448690][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   62.448691][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.448693][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448695][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   62.448698][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   62.448700][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448701][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448702][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448703][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448705][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   62.448707][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   62.448709][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   62.448712][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   62.448714][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448715][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   62.448717][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448718][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   62.448719][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   62.448721][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   62.448722][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   62.448724][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   62.448725][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   62.448727][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   62.448728][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448729][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.448732][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   62.448734][   T70]  _printk (kernel/printk/printk.c:2504)
[   62.448737][   T70]  ? snapshot_read.cold (user.c:?)
[   62.448739][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   62.448742][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   62.448746][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   62.448748][   T70]  br_device_event (net/bridge/br.c:111)
[   62.448750][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   62.448751][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   62.448753][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   62.448756][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   62.448759][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   62.448762][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   62.448764][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448765][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   62.448767][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   62.448769][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   62.448771][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   62.448773][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   62.448776][   T70]  ? kthread (kernel/kthread.c:436)
[   62.448777][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   62.448780][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   62.448782][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   62.448784][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448785][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.448787][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   62.448788][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   62.448789][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448791][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   62.448792][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   62.448794][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.448797][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   62.448799][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   62.448800][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   62.448804][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   62.448806][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.448807][   T70]  ? update_load_avg (kernel/sched/fair.c:5864)
[   62.448810][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   62.448811][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   62.448813][   T70]  process_one_work (kernel/workqueue.c:3387)
[   62.448816][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   62.448818][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   62.448820][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   62.448822][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   62.448824][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   62.448826][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   62.448828][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   62.448830][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   62.448832][   T70]  kthread (kernel/kthread.c:436)
[   62.448833][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.448835][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   62.448837][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.448838][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   62.448840][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.448843][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   62.448844][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.694569][ T1034] softirqs last disabled at (0): 0x0
| [   64.694571][ T1034] Preemption disabled at:
| [   64.694572][ T1034] vprintk_emit (kernel/printk/printk.c:2471)
| [   64.694585][ T1034] Tainted: [W]=WARN
[   64.694586][ T1034] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.694588][ T1034] Call Trace:
[   64.694590][ T1034]  <TASK>
[   64.694592][ T1034]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   64.694599][ T1034]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   64.694601][ T1034]  __might_resched.cold (kernel/sched/core.c:9234)
[   64.694605][ T1034]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   64.694609][ T1034]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   64.694613][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694617][ T1034]  __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))
[   64.694621][ T1034]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.694624][ T1034]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.694630][ T1034]  ? 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)
[   64.694633][ T1034]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   64.694637][ T1034]  put_chars (drivers/char/virtio_console.c:1176)
[   64.694639][ T1034]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   64.694642][ T1034]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   64.694646][ T1034]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   64.694652][ T1034]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   64.694655][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694657][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694661][ T1034]  console_emit_next_record (kernel/printk/printk.c:3183)
[   64.694665][ T1034]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   64.694668][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694669][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694671][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694673][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694676][ T1034]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   64.694678][ T1034]  console_flush_one_record (kernel/printk/printk.c:3268)
[   64.694682][ T1034]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   64.694689][ T1034]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   64.694691][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694694][ T1034]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   64.694696][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694698][ T1034]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.694700][ T1034]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   64.694703][ T1034]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   64.694705][ T1034]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   64.694708][ T1034]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   64.694710][ T1034]  vprintk_emit (kernel/printk/printk.c:2479)
[   64.694713][ T1034]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   64.694715][ T1034]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   64.694718][ T1034]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.694721][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694724][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694726][ T1034]  _printk (kernel/printk/printk.c:2504)
[   64.694730][ T1034]  ? snapshot_read.cold (user.c:?)
[   64.694733][ T1034]  ? br_multicast_flood (??:?)
[   64.694738][ T1034]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   64.694742][ T1034]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.694743][ T1034]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.694746][ T1034]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   64.694750][ T1034]  br_init_port (net/bridge/br_stp_if.c:39)
[   64.694753][ T1034]  new_nbp (net/bridge/br_if.c:449)
[   64.694756][ T1034]  br_add_if (net/bridge/br_if.c:592)
[   64.694759][ T1034]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.694763][ T1034]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.694768][ T1034]  do_set_master (net/core/rtnetlink.c:3071)
[   64.694770][ T1034]  ? netif_change_flags (net/core/dev.c:9882)
[   64.694773][ T1034]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   64.694776][ T1034]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   64.694778][ T1034]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   64.694780][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694782][ T1034]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.694786][ T1034]  ? kasan_save_stack (mm/kasan/common.c:58)
[   64.694789][ T1034]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.694791][ T1034]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.694792][ T1034]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.694794][ T1034]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   64.694796][ T1034]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   64.694798][ T1034]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.694800][ T1034]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.694803][ T1034]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.694805][ T1034]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.694808][ T1034]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.694811][ T1034]  ? ____sys_sendmsg (net/socket.c:2713)
[   64.694813][ T1034]  ? ___sys_sendmsg (net/socket.c:2767)
[   64.694815][ T1034]  ? __sys_sendmsg (net/socket.c:2799)
[   64.694818][ T1034]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.694822][ T1034]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.694826][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694828][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694830][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694831][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694833][ T1034]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   64.694836][ T1034]  ? __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)
[   64.694838][ T1034]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   64.694840][ T1034]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   64.694843][ T1034]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   64.694845][ T1034]  ? nla_get_range_signed (lib/nlattr.c:270)
[   64.694849][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694852][ T1034]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   64.694855][ T1034]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   64.694858][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694860][ T1034]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.694862][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694865][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694867][ T1034]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   64.694870][ T1034]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   64.694872][ T1034]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.694875][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694877][ T1034]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   64.694881][ T1034]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   64.694884][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694885][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694888][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694890][ T1034]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   64.694892][ T1034]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   64.694895][ T1034]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.694897][ T1034]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.694899][ T1034]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   64.694903][ T1034]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   64.694906][ T1034]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.694908][ T1034]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.694910][ T1034]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.694913][ T1034]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   64.694917][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694919][ T1034]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   64.694923][ T1034]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.694926][ T1034]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.694929][ T1034]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.694932][ T1034]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   64.694935][ T1034]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   64.694937][ T1034]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   64.694940][ T1034]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   64.694942][ T1034]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   64.694947][ T1034]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   64.694949][ T1034]  ____sys_sendmsg (net/socket.c:2713)
[   64.694952][ T1034]  ? copy_msghdr_from_user (net/socket.c:2650)
[   64.694954][ T1034]  ? sock_write_iter (net/socket.c:1269)
[   64.694956][ T1034]  ? move_addr_to_kernel (net/socket.c:258)
[   64.694958][ T1034]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   64.694963][ T1034]  ___sys_sendmsg (net/socket.c:2767)
[   64.694965][ T1034]  ? copy_msghdr_from_user (net/socket.c:2619)
[   64.694973][ T1034]  __sys_sendmsg (net/socket.c:2799)
[   64.694976][ T1034]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   64.694981][ T1034]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   64.694983][ T1034]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   64.694986][ T1034]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   64.694989][ T1034]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.694991][ T1034] RIP: 0033:0x7fa0ee38054e
[   64.694994][ T1034] 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
[   64.694996][ T1034] RSP: 002b:00007ffd7067ad30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.695001][ T1034] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa0ee38054e
[   64.695003][ T1034] RDX: 0000000000000000 RSI: 00007ffd7067ade0 RDI: 0000000000000005
[   64.695005][ T1034] RBP: 00007ffd7067ad40 R08: 0000000000000000 R09: 0000000000000000
[   64.695006][ T1034] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91564f
[   64.695008][ T1034] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd7067b4b0
| [   71.797528][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   71.797531][   T70] Preemption disabled at:
| [   71.797531][   T70] 0x0
| [   71.797541][   T70] Tainted: [W]=WARN
[   71.797542][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.797544][   T70] Workqueue: netns cleanup_net
[   71.797550][   T70] Call Trace:
[   71.797552][   T70]  <TASK>
[   71.797553][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   71.797559][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   71.797563][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.797567][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797570][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   71.797572][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.797575][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.797580][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   71.797581][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   71.797584][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   71.797585][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   71.797586][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   71.797589][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   71.797592][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   71.797596][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   71.797598][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.797600][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797602][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   71.797605][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   71.797607][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797608][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797609][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797610][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797611][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   71.797613][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   71.797615][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   71.797618][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   71.797620][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797621][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   71.797623][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797624][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   71.797625][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   71.797627][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   71.797628][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   71.797630][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   71.797632][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   71.797633][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   71.797634][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797636][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.797638][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   71.797640][   T70]  _printk (kernel/printk/printk.c:2504)
[   71.797643][   T70]  ? snapshot_read.cold (user.c:?)
[   71.797645][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   71.797648][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   71.797652][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   71.797654][   T70]  br_device_event (net/bridge/br.c:111)
[   71.797656][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   71.797658][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   71.797660][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   71.797663][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   71.797666][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   71.797668][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   71.797671][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797672][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   71.797674][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   71.797676][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   71.797678][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   71.797679][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.797682][   T70]  ? kthread (kernel/kthread.c:436)
[   71.797684][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   71.797690][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   71.797692][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   71.797693][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797694][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.797697][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   71.797698][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   71.797699][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797701][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   71.797702][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   71.797704][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   71.797707][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   71.797709][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   71.797711][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   71.797714][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   71.797715][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   71.797717][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   71.797719][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   71.797720][   T70]  process_one_work (kernel/workqueue.c:3387)
[   71.797723][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   71.797725][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   71.797728][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   71.797730][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   71.797732][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.797734][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   71.797736][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.797737][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   71.797739][   T70]  kthread (kernel/kthread.c:436)
[   71.797741][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.797742][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.797744][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.797746][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   71.797747][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.797750][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   71.797752][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.865712][ T1247] softirqs last disabled at (0): 0x0
| [   73.865714][ T1247] Preemption disabled at:
| [   73.865714][ T1247] vprintk_emit (kernel/printk/printk.c:2471)
| [   73.865724][ T1247] Tainted: [W]=WARN
[   73.865725][ T1247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.865727][ T1247] Call Trace:
[   73.865729][ T1247]  <TASK>
[   73.865730][ T1247]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   73.865735][ T1247]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   73.865737][ T1247]  __might_resched.cold (kernel/sched/core.c:9234)
[   73.865740][ T1247]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   73.865744][ T1247]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   73.865747][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865750][ T1247]  __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))
[   73.865752][ T1247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.865755][ T1247]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.865760][ T1247]  ? 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)
[   73.865762][ T1247]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   73.865765][ T1247]  put_chars (drivers/char/virtio_console.c:1176)
[   73.865766][ T1247]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   73.865768][ T1247]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   73.865770][ T1247]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   73.865775][ T1247]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   73.865777][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865778][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865781][ T1247]  console_emit_next_record (kernel/printk/printk.c:3183)
[   73.865784][ T1247]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   73.865786][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865787][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865788][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865789][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865790][ T1247]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   73.865792][ T1247]  console_flush_one_record (kernel/printk/printk.c:3268)
[   73.865794][ T1247]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   73.865797][ T1247]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   73.865799][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865801][ T1247]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   73.865802][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865803][ T1247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.865805][ T1247]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   73.865806][ T1247]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   73.865808][ T1247]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   73.865810][ T1247]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   73.865811][ T1247]  vprintk_emit (kernel/printk/printk.c:2479)
[   73.865813][ T1247]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   73.865814][ T1247]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   73.865816][ T1247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.865818][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865820][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865821][ T1247]  _printk (kernel/printk/printk.c:2504)
[   73.865824][ T1247]  ? snapshot_read.cold (user.c:?)
[   73.865826][ T1247]  ? br_multicast_flood (??:?)
[   73.865830][ T1247]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   73.865833][ T1247]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.865834][ T1247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.865835][ T1247]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   73.865838][ T1247]  br_init_port (net/bridge/br_stp_if.c:39)
[   73.865840][ T1247]  new_nbp (net/bridge/br_if.c:449)
[   73.865842][ T1247]  br_add_if (net/bridge/br_if.c:592)
[   73.865844][ T1247]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.865847][ T1247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.865850][ T1247]  do_set_master (net/core/rtnetlink.c:3071)
[   73.865851][ T1247]  ? netif_change_flags (net/core/dev.c:9882)
[   73.865853][ T1247]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   73.865855][ T1247]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   73.865857][ T1247]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   73.865858][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865859][ T1247]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.865862][ T1247]  ? kasan_save_stack (mm/kasan/common.c:58)
[   73.865864][ T1247]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.865865][ T1247]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.865866][ T1247]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.865867][ T1247]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   73.865868][ T1247]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   73.865869][ T1247]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.865870][ T1247]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.865873][ T1247]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.865874][ T1247]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.865876][ T1247]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   73.865878][ T1247]  ? ____sys_sendmsg (net/socket.c:2713)
[   73.865880][ T1247]  ? ___sys_sendmsg (net/socket.c:2767)
[   73.865881][ T1247]  ? __sys_sendmsg (net/socket.c:2799)
[   73.865883][ T1247]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.865886][ T1247]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.865889][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865890][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865891][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865892][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865893][ T1247]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   73.865895][ T1247]  ? __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)
[   73.865897][ T1247]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   73.865898][ T1247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   73.865899][ T1247]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   73.865900][ T1247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   73.865904][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865905][ T1247]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   73.865907][ T1247]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   73.865909][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865910][ T1247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.865911][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865913][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865914][ T1247]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   73.865916][ T1247]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   73.865918][ T1247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.865919][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865920][ T1247]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   73.865923][ T1247]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   73.865926][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865927][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865928][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865930][ T1247]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   73.865931][ T1247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   73.865932][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.865934][ T1247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.865935][ T1247]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   73.865937][ T1247]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   73.865939][ T1247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.865940][ T1247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.865942][ T1247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.865944][ T1247]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   73.865947][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865948][ T1247]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   73.865950][ T1247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.865952][ T1247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.865954][ T1247]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.865956][ T1247]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   73.865958][ T1247]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   73.865959][ T1247]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   73.865961][ T1247]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   73.865962][ T1247]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   73.865966][ T1247]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   73.865967][ T1247]  ____sys_sendmsg (net/socket.c:2713)
[   73.865969][ T1247]  ? copy_msghdr_from_user (net/socket.c:2650)
[   73.865971][ T1247]  ? sock_write_iter (net/socket.c:1269)
[   73.865972][ T1247]  ? move_addr_to_kernel (net/socket.c:258)
[   73.865974][ T1247]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   73.865976][ T1247]  ___sys_sendmsg (net/socket.c:2767)
[   73.865978][ T1247]  ? copy_msghdr_from_user (net/socket.c:2619)
[   73.865983][ T1247]  __sys_sendmsg (net/socket.c:2799)
[   73.865985][ T1247]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   73.865987][ T1247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   73.865989][ T1247]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   73.865991][ T1247]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   73.865993][ T1247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.865994][ T1247] RIP: 0033:0x7fdf68c2e54e
[   73.865996][ T1247] 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
[   73.865998][ T1247] RSP: 002b:00007ffd50c47350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.866001][ T1247] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fdf68c2e54e
[   73.866003][ T1247] RDX: 0000000000000000 RSI: 00007ffd50c47400 RDI: 0000000000000005
[   73.866004][ T1247] RBP: 00007ffd50c47360 R08: 0000000000000000 R09: 0000000000000000
[   73.866004][ T1247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915659
[   73.866005][ T1247] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd50c47ad0
| [   82.536860][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   82.536862][   T70] Preemption disabled at:
| [   82.536863][   T70] 0x0
| [   82.536872][   T70] Tainted: [W]=WARN
[   82.536873][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.536875][   T70] Workqueue: netns cleanup_net
[   82.536881][   T70] Call Trace:
[   82.536883][   T70]  <TASK>
[   82.536885][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   82.536891][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   82.536895][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.536899][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536901][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   82.536904][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.536907][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.536911][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   82.536913][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   82.536916][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   82.536918][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   82.536919][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   82.536922][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   82.536924][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   82.536929][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   82.536930][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.536932][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.536935][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   82.536937][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   82.536939][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536940][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536941][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536942][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.536944][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   82.536946][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   82.536948][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   82.536951][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   82.536953][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.536955][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   82.536956][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536957][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   82.536959][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   82.536960][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   82.536962][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   82.536964][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   82.536965][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   82.536967][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   82.536968][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.536969][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.536972][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   82.536974][   T70]  _printk (kernel/printk/printk.c:2504)
[   82.536977][   T70]  ? snapshot_read.cold (user.c:?)
[   82.536979][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   82.536983][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   82.536986][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   82.536988][   T70]  br_device_event (net/bridge/br.c:111)
[   82.536991][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   82.536992][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   82.536994][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   82.536997][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   82.537000][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   82.537003][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   82.537005][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.537007][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   82.537009][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   82.537011][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   82.537013][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   82.537014][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   82.537017][   T70]  ? kthread (kernel/kthread.c:436)
[   82.537019][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   82.537022][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   82.537024][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   82.537026][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.537027][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.537029][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   82.537030][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   82.537031][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.537033][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   82.537034][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   82.537036][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   82.537039][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   82.537041][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   82.537043][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   82.537046][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   82.537048][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   82.537050][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   82.537051][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   82.537053][   T70]  process_one_work (kernel/workqueue.c:3387)
[   82.537056][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   82.537058][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   82.537060][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   82.537062][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   82.537064][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   82.537066][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   82.537068][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   82.537070][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   82.537072][   T70]  kthread (kernel/kthread.c:436)
[   82.537073][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.537075][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   82.537076][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.537078][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   82.537080][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.537083][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   82.537085][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   84.629674][ T1516] softirqs last disabled at (0): 0x0
| [   84.629676][ T1516] Preemption disabled at:
| [   84.629676][ T1516] vprintk_emit (kernel/printk/printk.c:2471)
| [   84.629689][ T1516] Tainted: [W]=WARN
[   84.629690][ T1516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.629692][ T1516] Call Trace:
[   84.629694][ T1516]  <TASK>
[   84.629695][ T1516]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   84.629700][ T1516]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   84.629702][ T1516]  __might_resched.cold (kernel/sched/core.c:9234)
[   84.629705][ T1516]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   84.629709][ T1516]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   84.629712][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629715][ T1516]  __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))
[   84.629717][ T1516]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.629720][ T1516]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.629725][ T1516]  ? 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)
[   84.629727][ T1516]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   84.629729][ T1516]  put_chars (drivers/char/virtio_console.c:1176)
[   84.629731][ T1516]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   84.629732][ T1516]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   84.629735][ T1516]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   84.629739][ T1516]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   84.629741][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629742][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629745][ T1516]  console_emit_next_record (kernel/printk/printk.c:3183)
[   84.629748][ T1516]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   84.629750][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629751][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629752][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629753][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629755][ T1516]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   84.629756][ T1516]  console_flush_one_record (kernel/printk/printk.c:3268)
[   84.629759][ T1516]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   84.629762][ T1516]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   84.629763][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629765][ T1516]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   84.629767][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629768][ T1516]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.629769][ T1516]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   84.629771][ T1516]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   84.629772][ T1516]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   84.629774][ T1516]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   84.629775][ T1516]  vprintk_emit (kernel/printk/printk.c:2479)
[   84.629777][ T1516]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   84.629778][ T1516]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   84.629780][ T1516]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   84.629783][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629784][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629786][ T1516]  _printk (kernel/printk/printk.c:2504)
[   84.629788][ T1516]  ? snapshot_read.cold (user.c:?)
[   84.629790][ T1516]  ? br_multicast_flood (??:?)
[   84.629794][ T1516]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   84.629797][ T1516]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.629798][ T1516]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.629800][ T1516]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   84.629802][ T1516]  br_init_port (net/bridge/br_stp_if.c:39)
[   84.629804][ T1516]  new_nbp (net/bridge/br_if.c:449)
[   84.629807][ T1516]  br_add_if (net/bridge/br_if.c:592)
[   84.629809][ T1516]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   84.629812][ T1516]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   84.629815][ T1516]  do_set_master (net/core/rtnetlink.c:3071)
[   84.629816][ T1516]  ? netif_change_flags (net/core/dev.c:9882)
[   84.629818][ T1516]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   84.629820][ T1516]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   84.629822][ T1516]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   84.629823][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629824][ T1516]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   84.629827][ T1516]  ? kasan_save_stack (mm/kasan/common.c:58)
[   84.629829][ T1516]  ? kasan_save_stack (mm/kasan/common.c:57)
[   84.629830][ T1516]  ? kasan_save_track (mm/kasan/common.c:78)
[   84.629831][ T1516]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   84.629832][ T1516]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   84.629833][ T1516]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   84.629834][ T1516]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.629836][ T1516]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.629839][ T1516]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.629840][ T1516]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.629842][ T1516]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.629844][ T1516]  ? ____sys_sendmsg (net/socket.c:2713)
[   84.629846][ T1516]  ? ___sys_sendmsg (net/socket.c:2767)
[   84.629847][ T1516]  ? __sys_sendmsg (net/socket.c:2799)
[   84.629849][ T1516]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.629852][ T1516]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.629854][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629856][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629857][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629858][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629859][ T1516]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   84.629861][ T1516]  ? __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)
[   84.629863][ T1516]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   84.629864][ T1516]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   84.629865][ T1516]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   84.629866][ T1516]  ? nla_get_range_signed (lib/nlattr.c:270)
[   84.629869][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629871][ T1516]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   84.629873][ T1516]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   84.629875][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629876][ T1516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.629877][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629878][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629880][ T1516]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   84.629882][ T1516]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   84.629883][ T1516]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   84.629885][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629886][ T1516]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   84.629889][ T1516]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   84.629891][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629893][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629894][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629895][ T1516]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   84.629896][ T1516]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   84.629898][ T1516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.629899][ T1516]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   84.629901][ T1516]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   84.629903][ T1516]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   84.629905][ T1516]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.629906][ T1516]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.629908][ T1516]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.629909][ T1516]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   84.629912][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629913][ T1516]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   84.629915][ T1516]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.629918][ T1516]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.629919][ T1516]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.629921][ T1516]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   84.629923][ T1516]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   84.629925][ T1516]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   84.629927][ T1516]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   84.629928][ T1516]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   84.629932][ T1516]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   84.629934][ T1516]  ____sys_sendmsg (net/socket.c:2713)
[   84.629935][ T1516]  ? copy_msghdr_from_user (net/socket.c:2650)
[   84.629937][ T1516]  ? sock_write_iter (net/socket.c:1269)
[   84.629938][ T1516]  ? move_addr_to_kernel (net/socket.c:258)
[   84.629940][ T1516]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   84.629942][ T1516]  ___sys_sendmsg (net/socket.c:2767)
[   84.629944][ T1516]  ? copy_msghdr_from_user (net/socket.c:2619)
[   84.629949][ T1516]  __sys_sendmsg (net/socket.c:2799)
[   84.629951][ T1516]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   84.629954][ T1516]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   84.629955][ T1516]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   84.629957][ T1516]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   84.629959][ T1516]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.629961][ T1516] RIP: 0033:0x7f92ef12354e
[   84.629963][ T1516] 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
[   84.629965][ T1516] RSP: 002b:00007ffe83cbd990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.629968][ T1516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f92ef12354e
[   84.629970][ T1516] RDX: 0000000000000000 RSI: 00007ffe83cbda40 RDI: 0000000000000005
[   84.629970][ T1516] RBP: 00007ffe83cbd9a0 R08: 0000000000000000 R09: 0000000000000000
[   84.629971][ T1516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915663
[   84.629972][ T1516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe83cbe110
| [   93.286543][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [   93.286544][   T70] Preemption disabled at:
| [   93.286545][   T70] 0x0
| [   93.286555][   T70] Tainted: [W]=WARN
[   93.286556][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.286558][   T70] Workqueue: netns cleanup_net
[   93.286564][   T70] Call Trace:
[   93.286565][   T70]  <TASK>
[   93.286567][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   93.286572][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   93.286576][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.286580][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286582][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   93.286585][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.286588][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.286593][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   93.286594][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   93.286597][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   93.286598][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   93.286600][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   93.286602][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   93.286605][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   93.286610][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   93.286611][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.286613][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286616][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   93.286618][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   93.286620][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286621][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286622][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286623][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286625][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   93.286627][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   93.286629][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   93.286632][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   93.286634][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286635][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   93.286637][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286638][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   93.286639][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   93.286641][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   93.286642][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   93.286645][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   93.286646][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   93.286648][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   93.286649][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286650][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.286653][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[   93.286655][   T70]  _printk (kernel/printk/printk.c:2504)
[   93.286658][   T70]  ? snapshot_read.cold (user.c:?)
[   93.286660][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[   93.286663][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   93.286667][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[   93.286669][   T70]  br_device_event (net/bridge/br.c:111)
[   93.286671][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   93.286673][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[   93.286674][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[   93.286678][   T70]  notifier_call_chain (kernel/notifier.c:85)
[   93.286680][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[   93.286683][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[   93.286688][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286689][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[   93.286691][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[   93.286693][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[   93.286695][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   93.286697][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.286700][   T70]  ? kthread (kernel/kthread.c:436)
[   93.286702][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[   93.286704][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[   93.286706][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   93.286708][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286709][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.286711][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   93.286713][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[   93.286714][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286716][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   93.286717][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   93.286719][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   93.286722][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   93.286724][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[   93.286726][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[   93.286729][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   93.286730][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   93.286732][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   93.286734][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   93.286735][   T70]  process_one_work (kernel/workqueue.c:3387)
[   93.286738][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   93.286740][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   93.286742][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   93.286745][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   93.286747][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   93.286749][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   93.286751][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   93.286753][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   93.286754][   T70]  kthread (kernel/kthread.c:436)
[   93.286756][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.286757][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   93.286759][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.286761][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   93.286763][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.286765][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   93.286767][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   95.327977][ T1785] softirqs last disabled at (0): 0x0
| [   95.327978][ T1785] Preemption disabled at:
| [   95.327979][ T1785] vprintk_emit (kernel/printk/printk.c:2471)
| [   95.327989][ T1785] Tainted: [W]=WARN
[   95.327990][ T1785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   95.327992][ T1785] Call Trace:
[   95.327993][ T1785]  <TASK>
[   95.327994][ T1785]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   95.328000][ T1785]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   95.328001][ T1785]  __might_resched.cold (kernel/sched/core.c:9234)
[   95.328005][ T1785]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   95.328008][ T1785]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[   95.328011][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328014][ T1785]  __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))
[   95.328016][ T1785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.328019][ T1785]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.328024][ T1785]  ? 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)
[   95.328026][ T1785]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   95.328028][ T1785]  put_chars (drivers/char/virtio_console.c:1176)
[   95.328030][ T1785]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   95.328031][ T1785]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[   95.328034][ T1785]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   95.328039][ T1785]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   95.328041][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328042][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328044][ T1785]  console_emit_next_record (kernel/printk/printk.c:3183)
[   95.328047][ T1785]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   95.328049][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328050][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328051][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328052][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328054][ T1785]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   95.328055][ T1785]  console_flush_one_record (kernel/printk/printk.c:3268)
[   95.328058][ T1785]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   95.328060][ T1785]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   95.328062][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328064][ T1785]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   95.328065][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328066][ T1785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.328068][ T1785]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[   95.328069][ T1785]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[   95.328070][ T1785]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   95.328072][ T1785]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   95.328074][ T1785]  vprintk_emit (kernel/printk/printk.c:2479)
[   95.328075][ T1785]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   95.328077][ T1785]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   95.328078][ T1785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.328081][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328083][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328084][ T1785]  _printk (kernel/printk/printk.c:2504)
[   95.328087][ T1785]  ? snapshot_read.cold (user.c:?)
[   95.328089][ T1785]  ? br_multicast_flood (??:?)
[   95.328092][ T1785]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   95.328095][ T1785]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.328096][ T1785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.328098][ T1785]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[   95.328101][ T1785]  br_init_port (net/bridge/br_stp_if.c:39)
[   95.328102][ T1785]  new_nbp (net/bridge/br_if.c:449)
[   95.328104][ T1785]  br_add_if (net/bridge/br_if.c:592)
[   95.328106][ T1785]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   95.328109][ T1785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.328112][ T1785]  do_set_master (net/core/rtnetlink.c:3071)
[   95.328114][ T1785]  ? netif_change_flags (net/core/dev.c:9882)
[   95.328116][ T1785]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   95.328118][ T1785]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   95.328119][ T1785]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   95.328120][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328121][ T1785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.328124][ T1785]  ? kasan_save_stack (mm/kasan/common.c:58)
[   95.328126][ T1785]  ? kasan_save_stack (mm/kasan/common.c:57)
[   95.328127][ T1785]  ? kasan_save_track (mm/kasan/common.c:78)
[   95.328128][ T1785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   95.328129][ T1785]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[   95.328130][ T1785]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[   95.328131][ T1785]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.328132][ T1785]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.328135][ T1785]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.328137][ T1785]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.328138][ T1785]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.328140][ T1785]  ? ____sys_sendmsg (net/socket.c:2713)
[   95.328142][ T1785]  ? ___sys_sendmsg (net/socket.c:2767)
[   95.328143][ T1785]  ? __sys_sendmsg (net/socket.c:2799)
[   95.328145][ T1785]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.328148][ T1785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.328150][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328151][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328153][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328154][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328155][ T1785]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   95.328156][ T1785]  ? __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)
[   95.328158][ T1785]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   95.328159][ T1785]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   95.328161][ T1785]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   95.328162][ T1785]  ? nla_get_range_signed (lib/nlattr.c:270)
[   95.328165][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328166][ T1785]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   95.328168][ T1785]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   95.328170][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328171][ T1785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.328172][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328174][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328175][ T1785]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[   95.328178][ T1785]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   95.328179][ T1785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.328180][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328181][ T1785]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[   95.328185][ T1785]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[   95.328187][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328188][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328190][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328191][ T1785]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   95.328192][ T1785]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   95.328194][ T1785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.328195][ T1785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.328196][ T1785]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[   95.328198][ T1785]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   95.328200][ T1785]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   95.328201][ T1785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.328203][ T1785]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   95.328204][ T1785]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[   95.328207][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328208][ T1785]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   95.328210][ T1785]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   95.328212][ T1785]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   95.328214][ T1785]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.328216][ T1785]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   95.328218][ T1785]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   95.328220][ T1785]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[   95.328221][ T1785]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   95.328223][ T1785]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[   95.328226][ T1785]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[   95.328228][ T1785]  ____sys_sendmsg (net/socket.c:2713)
[   95.328229][ T1785]  ? copy_msghdr_from_user (net/socket.c:2650)
[   95.328231][ T1785]  ? sock_write_iter (net/socket.c:1269)
[   95.328232][ T1785]  ? move_addr_to_kernel (net/socket.c:258)
[   95.328234][ T1785]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[   95.328236][ T1785]  ___sys_sendmsg (net/socket.c:2767)
[   95.328238][ T1785]  ? copy_msghdr_from_user (net/socket.c:2619)
[   95.328243][ T1785]  __sys_sendmsg (net/socket.c:2799)
[   95.328245][ T1785]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   95.328247][ T1785]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   95.328249][ T1785]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   95.328251][ T1785]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   95.328252][ T1785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   95.328254][ T1785] RIP: 0033:0x7fd19c2f554e
[   95.328256][ T1785] 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
[   95.328258][ T1785] RSP: 002b:00007ffca06ffc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   95.328261][ T1785] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd19c2f554e
[   95.328263][ T1785] RDX: 0000000000000000 RSI: 00007ffca06ffd30 RDI: 0000000000000005
[   95.328263][ T1785] RBP: 00007ffca06ffc90 R08: 0000000000000000 R09: 0000000000000000
[   95.328264][ T1785] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91566e
[   95.328265][ T1785] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca0700400
| [  102.256589][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  102.256592][   T70] Preemption disabled at:
| [  102.256593][   T70] 0x0
| [  102.256606][   T70] Tainted: [W]=WARN
[  102.256607][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.256610][   T70] Workqueue: netns cleanup_net
[  102.256616][   T70] Call Trace:
[  102.256618][   T70]  <TASK>
[  102.256621][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  102.256628][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  102.256632][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.256637][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256641][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  102.256645][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.256648][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.256654][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  102.256657][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  102.256660][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  102.256663][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  102.256665][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  102.256669][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  102.256673][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  102.256679][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  102.256681][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.256684][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256691][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  102.256695][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  102.256698][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256700][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256701][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256703][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256706][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  102.256709][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  102.256712][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  102.256716][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  102.256719][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256721][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  102.256724][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256726][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  102.256728][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  102.256730][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  102.256733][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  102.256736][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  102.256738][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  102.256741][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  102.256743][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256745][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.256749][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  102.256752][   T70]  _printk (kernel/printk/printk.c:2504)
[  102.256755][   T70]  ? snapshot_read.cold (user.c:?)
[  102.256758][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  102.256763][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  102.256768][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  102.256771][   T70]  br_device_event (net/bridge/br.c:111)
[  102.256774][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  102.256776][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  102.256779][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  102.256783][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  102.256788][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  102.256791][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  102.256794][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256797][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  102.256799][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  102.256803][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  102.256805][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  102.256808][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  102.256811][   T70]  ? kthread (kernel/kthread.c:436)
[  102.256814][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  102.256818][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  102.256821][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  102.256823][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256825][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.256829][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  102.256831][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  102.256833][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256835][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  102.256838][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  102.256840][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  102.256844][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  102.256848][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  102.256850][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  102.256854][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  102.256857][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  102.256860][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  102.256863][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  102.256865][   T70]  process_one_work (kernel/workqueue.c:3387)
[  102.256869][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  102.256872][   T70]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[  102.256876][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  102.256879][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  102.256883][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  102.256885][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  102.256888][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  102.256891][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  102.256893][   T70]  kthread (kernel/kthread.c:436)
[  102.256896][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.256898][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  102.256901][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  102.256903][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  102.256906][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  102.256910][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  102.256913][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  104.358312][ T1977] softirqs last disabled at (0): 0x0
| [  104.358313][ T1977] Preemption disabled at:
| [  104.358314][ T1977] vprintk_emit (kernel/printk/printk.c:2471)
| [  104.358324][ T1977] Tainted: [W]=WARN
[  104.358325][ T1977] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  104.358327][ T1977] Call Trace:
[  104.358329][ T1977]  <TASK>
[  104.358330][ T1977]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  104.358335][ T1977]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  104.358336][ T1977]  __might_resched.cold (kernel/sched/core.c:9234)
[  104.358340][ T1977]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  104.358343][ T1977]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  104.358347][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358349][ T1977]  __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))
[  104.358351][ T1977]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  104.358355][ T1977]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.358359][ T1977]  ? 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)
[  104.358361][ T1977]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  104.358363][ T1977]  put_chars (drivers/char/virtio_console.c:1176)
[  104.358365][ T1977]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  104.358366][ T1977]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  104.358369][ T1977]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  104.358374][ T1977]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  104.358375][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358376][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358379][ T1977]  console_emit_next_record (kernel/printk/printk.c:3183)
[  104.358382][ T1977]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  104.358384][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358385][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358385][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358386][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358388][ T1977]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  104.358390][ T1977]  console_flush_one_record (kernel/printk/printk.c:3268)
[  104.358392][ T1977]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  104.358395][ T1977]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  104.358397][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358398][ T1977]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  104.358400][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358401][ T1977]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.358402][ T1977]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  104.358403][ T1977]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  104.358405][ T1977]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  104.358407][ T1977]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  104.358408][ T1977]  vprintk_emit (kernel/printk/printk.c:2479)
[  104.358410][ T1977]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  104.358411][ T1977]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  104.358412][ T1977]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.358415][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358417][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358418][ T1977]  _printk (kernel/printk/printk.c:2504)
[  104.358421][ T1977]  ? snapshot_read.cold (user.c:?)
[  104.358423][ T1977]  ? br_multicast_flood (??:?)
[  104.358426][ T1977]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  104.358429][ T1977]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.358430][ T1977]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.358432][ T1977]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  104.358434][ T1977]  br_init_port (net/bridge/br_stp_if.c:39)
[  104.358436][ T1977]  new_nbp (net/bridge/br_if.c:449)
[  104.358438][ T1977]  br_add_if (net/bridge/br_if.c:592)
[  104.358440][ T1977]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  104.358443][ T1977]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.358446][ T1977]  do_set_master (net/core/rtnetlink.c:3071)
[  104.358447][ T1977]  ? netif_change_flags (net/core/dev.c:9882)
[  104.358449][ T1977]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  104.358451][ T1977]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  104.358452][ T1977]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  104.358454][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358455][ T1977]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.358458][ T1977]  ? kasan_save_stack (mm/kasan/common.c:58)
[  104.358460][ T1977]  ? kasan_save_stack (mm/kasan/common.c:57)
[  104.358461][ T1977]  ? kasan_save_track (mm/kasan/common.c:78)
[  104.358462][ T1977]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  104.358463][ T1977]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  104.358464][ T1977]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  104.358465][ T1977]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.358466][ T1977]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.358469][ T1977]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.358470][ T1977]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.358472][ T1977]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.358474][ T1977]  ? ____sys_sendmsg (net/socket.c:2713)
[  104.358475][ T1977]  ? ___sys_sendmsg (net/socket.c:2767)
[  104.358477][ T1977]  ? __sys_sendmsg (net/socket.c:2799)
[  104.358484][ T1977]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.358487][ T1977]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.358490][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358491][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358492][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358493][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358495][ T1977]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  104.358496][ T1977]  ? __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)
[  104.358498][ T1977]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  104.358499][ T1977]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  104.358500][ T1977]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  104.358501][ T1977]  ? nla_get_range_signed (lib/nlattr.c:270)
[  104.358505][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358506][ T1977]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  104.358508][ T1977]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  104.358510][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358511][ T1977]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.358512][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358514][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358515][ T1977]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  104.358518][ T1977]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  104.358519][ T1977]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.358520][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358521][ T1977]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  104.358524][ T1977]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  104.358527][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358528][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358529][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358530][ T1977]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  104.358531][ T1977]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  104.358533][ T1977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.358534][ T1977]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.358536][ T1977]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  104.358538][ T1977]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  104.358539][ T1977]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  104.358541][ T1977]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.358542][ T1977]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  104.358544][ T1977]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  104.358547][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358548][ T1977]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  104.358550][ T1977]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  104.358552][ T1977]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  104.358554][ T1977]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.358556][ T1977]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  104.358558][ T1977]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  104.358559][ T1977]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  104.358561][ T1977]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  104.358562][ T1977]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  104.358565][ T1977]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  104.358567][ T1977]  ____sys_sendmsg (net/socket.c:2713)
[  104.358569][ T1977]  ? copy_msghdr_from_user (net/socket.c:2650)
[  104.358570][ T1977]  ? sock_write_iter (net/socket.c:1269)
[  104.358572][ T1977]  ? move_addr_to_kernel (net/socket.c:258)
[  104.358573][ T1977]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  104.358576][ T1977]  ___sys_sendmsg (net/socket.c:2767)
[  104.358577][ T1977]  ? copy_msghdr_from_user (net/socket.c:2619)
[  104.358582][ T1977]  __sys_sendmsg (net/socket.c:2799)
[  104.358584][ T1977]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  104.358587][ T1977]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  104.358588][ T1977]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  104.358590][ T1977]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  104.358592][ T1977]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  104.358593][ T1977] RIP: 0033:0x7fa3a82ad54e
[  104.358595][ T1977] 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
[  104.358597][ T1977] RSP: 002b:00007ffff79ef860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  104.358600][ T1977] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa3a82ad54e
[  104.358601][ T1977] RDX: 0000000000000000 RSI: 00007ffff79ef910 RDI: 0000000000000005
[  104.358602][ T1977] RBP: 00007ffff79ef870 R08: 0000000000000000 R09: 0000000000000000
[  104.358603][ T1977] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915677
[  104.358604][ T1977] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffff79effe0
| [  111.699637][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  111.699639][   T70] Preemption disabled at:
| [  111.699640][   T70] 0x0
| [  111.699650][   T70] Tainted: [W]=WARN
[  111.699651][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  111.699653][   T70] Workqueue: netns cleanup_net
[  111.699659][   T70] Call Trace:
[  111.699660][   T70]  <TASK>
[  111.699662][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  111.699668][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  111.699672][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.699676][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699679][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  111.699682][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  111.699688][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.699692][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  111.699694][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  111.699697][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  111.699698][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  111.699700][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  111.699703][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  111.699705][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  111.699710][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  111.699712][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  111.699713][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699716][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  111.699719][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  111.699721][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699722][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699723][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699724][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699726][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  111.699728][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  111.699730][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  111.699733][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  111.699735][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699736][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  111.699738][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699739][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  111.699740][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  111.699742][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  111.699743][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  111.699746][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  111.699747][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  111.699749][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  111.699751][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699752][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.699755][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  111.699757][   T70]  _printk (kernel/printk/printk.c:2504)
[  111.699760][   T70]  ? snapshot_read.cold (user.c:?)
[  111.699762][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  111.699765][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  111.699769][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  111.699771][   T70]  br_device_event (net/bridge/br.c:111)
[  111.699773][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  111.699775][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  111.699777][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  111.699780][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  111.699783][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  111.699786][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  111.699788][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699790][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  111.699792][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  111.699794][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  111.699796][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  111.699797][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.699800][   T70]  ? kthread (kernel/kthread.c:436)
[  111.699802][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  111.699805][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  111.699807][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  111.699809][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699810][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.699812][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  111.699814][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  111.699815][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699817][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  111.699818][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  111.699820][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  111.699823][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  111.699825][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  111.699826][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  111.699830][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  111.699831][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  111.699833][   T70]  ? update_load_avg (kernel/sched/fair.c:5864)
[  111.699836][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  111.699837][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  111.699839][   T70]  process_one_work (kernel/workqueue.c:3387)
[  111.699842][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  111.699844][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  111.699847][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  111.699849][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.699851][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  111.699853][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.699855][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  111.699857][   T70]  kthread (kernel/kthread.c:436)
[  111.699858][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  111.699860][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.699862][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  111.699863][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  111.699865][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  111.699868][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  111.699870][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  113.852001][ T2215] softirqs last disabled at (0): 0x0
| [  113.852003][ T2215] Preemption disabled at:
| [  113.852004][ T2215] vprintk_emit (kernel/printk/printk.c:2471)
| [  113.852014][ T2215] Tainted: [W]=WARN
[  113.852015][ T2215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  113.852017][ T2215] Call Trace:
[  113.852018][ T2215]  <TASK>
[  113.852020][ T2215]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  113.852025][ T2215]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  113.852026][ T2215]  __might_resched.cold (kernel/sched/core.c:9234)
[  113.852030][ T2215]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  113.852033][ T2215]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  113.852037][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852039][ T2215]  __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))
[  113.852042][ T2215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  113.852045][ T2215]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.852050][ T2215]  ? 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)
[  113.852051][ T2215]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  113.852054][ T2215]  put_chars (drivers/char/virtio_console.c:1176)
[  113.852055][ T2215]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  113.852057][ T2215]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  113.852059][ T2215]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  113.852064][ T2215]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  113.852066][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852067][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852070][ T2215]  console_emit_next_record (kernel/printk/printk.c:3183)
[  113.852073][ T2215]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  113.852075][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852075][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852076][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852077][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852079][ T2215]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  113.852081][ T2215]  console_flush_one_record (kernel/printk/printk.c:3268)
[  113.852083][ T2215]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  113.852086][ T2215]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  113.852088][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852089][ T2215]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  113.852091][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852092][ T2215]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  113.852093][ T2215]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  113.852095][ T2215]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  113.852096][ T2215]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  113.852099][ T2215]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  113.852100][ T2215]  vprintk_emit (kernel/printk/printk.c:2479)
[  113.852102][ T2215]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  113.852103][ T2215]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  113.852104][ T2215]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  113.852107][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852108][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852110][ T2215]  _printk (kernel/printk/printk.c:2504)
[  113.852113][ T2215]  ? snapshot_read.cold (user.c:?)
[  113.852115][ T2215]  ? br_multicast_flood (??:?)
[  113.852118][ T2215]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  113.852121][ T2215]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  113.852122][ T2215]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  113.852124][ T2215]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  113.852127][ T2215]  br_init_port (net/bridge/br_stp_if.c:39)
[  113.852128][ T2215]  new_nbp (net/bridge/br_if.c:449)
[  113.852130][ T2215]  br_add_if (net/bridge/br_if.c:592)
[  113.852132][ T2215]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  113.852136][ T2215]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  113.852139][ T2215]  do_set_master (net/core/rtnetlink.c:3071)
[  113.852140][ T2215]  ? netif_change_flags (net/core/dev.c:9882)
[  113.852142][ T2215]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  113.852144][ T2215]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  113.852145][ T2215]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  113.852146][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852147][ T2215]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  113.852151][ T2215]  ? kasan_save_stack (mm/kasan/common.c:58)
[  113.852153][ T2215]  ? kasan_save_stack (mm/kasan/common.c:57)
[  113.852154][ T2215]  ? kasan_save_track (mm/kasan/common.c:78)
[  113.852155][ T2215]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  113.852156][ T2215]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  113.852157][ T2215]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  113.852158][ T2215]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  113.852159][ T2215]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  113.852162][ T2215]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  113.852163][ T2215]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  113.852165][ T2215]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  113.852167][ T2215]  ? ____sys_sendmsg (net/socket.c:2713)
[  113.852169][ T2215]  ? ___sys_sendmsg (net/socket.c:2767)
[  113.852170][ T2215]  ? __sys_sendmsg (net/socket.c:2799)
[  113.852172][ T2215]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  113.852175][ T2215]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.852177][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852179][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852180][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852181][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852182][ T2215]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  113.852184][ T2215]  ? __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)
[  113.852185][ T2215]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  113.852187][ T2215]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  113.852188][ T2215]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  113.852189][ T2215]  ? nla_get_range_signed (lib/nlattr.c:270)
[  113.852192][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852194][ T2215]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  113.852196][ T2215]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  113.852198][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852199][ T2215]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  113.852200][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852201][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852203][ T2215]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  113.852205][ T2215]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  113.852207][ T2215]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  113.852208][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852209][ T2215]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  113.852212][ T2215]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  113.852215][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852216][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852217][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852218][ T2215]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  113.852219][ T2215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  113.852221][ T2215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.852222][ T2215]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  113.852224][ T2215]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  113.852226][ T2215]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  113.852228][ T2215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  113.852229][ T2215]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  113.852231][ T2215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  113.852232][ T2215]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  113.852235][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852236][ T2215]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  113.852238][ T2215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  113.852240][ T2215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  113.852242][ T2215]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.852244][ T2215]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  113.852246][ T2215]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  113.852247][ T2215]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  113.852249][ T2215]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  113.852251][ T2215]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  113.852254][ T2215]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  113.852255][ T2215]  ____sys_sendmsg (net/socket.c:2713)
[  113.852257][ T2215]  ? copy_msghdr_from_user (net/socket.c:2650)
[  113.852259][ T2215]  ? sock_write_iter (net/socket.c:1269)
[  113.852260][ T2215]  ? move_addr_to_kernel (net/socket.c:258)
[  113.852262][ T2215]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  113.852264][ T2215]  ___sys_sendmsg (net/socket.c:2767)
[  113.852266][ T2215]  ? copy_msghdr_from_user (net/socket.c:2619)
[  113.852271][ T2215]  __sys_sendmsg (net/socket.c:2799)
[  113.852273][ T2215]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  113.852275][ T2215]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[  113.852277][ T2215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  113.852279][ T2215]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  113.852281][ T2215]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  113.852283][ T2215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  113.852284][ T2215] RIP: 0033:0x7fc5d118c54e
[  113.852286][ T2215] 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
[  113.852288][ T2215] RSP: 002b:00007ffc33835d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  113.852291][ T2215] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc5d118c54e
[  113.852293][ T2215] RDX: 0000000000000000 RSI: 00007ffc33835e00 RDI: 0000000000000005
[  113.852294][ T2215] RBP: 00007ffc33835d60 R08: 0000000000000000 R09: 0000000000000000
[  113.852295][ T2215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915681
[  113.852295][ T2215] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc338364d0
| [  120.829710][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  120.829712][   T70] Preemption disabled at:
| [  120.829712][   T70] 0x0
| [  120.829721][   T70] Tainted: [W]=WARN
[  120.829722][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  120.829724][   T70] Workqueue: netns cleanup_net
[  120.829729][   T70] Call Trace:
[  120.829731][   T70]  <TASK>
[  120.829733][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  120.829739][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  120.829742][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.829746][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829749][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  120.829751][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.829755][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.829759][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  120.829761][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  120.829763][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  120.829765][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  120.829766][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  120.829768][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  120.829771][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  120.829775][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  120.829777][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.829779][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829781][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  120.829784][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  120.829786][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829787][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829788][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829789][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829791][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  120.829792][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  120.829795][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  120.829797][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  120.829799][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829800][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  120.829802][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829803][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  120.829805][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  120.829806][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  120.829807][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  120.829809][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  120.829811][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  120.829812][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  120.829814][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829815][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  120.829818][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  120.829820][   T70]  _printk (kernel/printk/printk.c:2504)
[  120.829822][   T70]  ? snapshot_read.cold (user.c:?)
[  120.829824][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  120.829827][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  120.829831][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  120.829833][   T70]  br_device_event (net/bridge/br.c:111)
[  120.829835][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  120.829837][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  120.829839][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  120.829841][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  120.829844][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  120.829847][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  120.829849][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829851][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  120.829853][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  120.829855][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  120.829857][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  120.829858][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  120.829861][   T70]  ? kthread (kernel/kthread.c:436)
[  120.829863][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  120.829865][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  120.829867][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  120.829869][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829870][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  120.829872][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  120.829873][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  120.829875][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829876][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  120.829878][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  120.829879][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  120.829882][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  120.829884][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  120.829886][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  120.829889][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  120.829891][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  120.829893][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  120.829894][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  120.829895][   T70]  process_one_work (kernel/workqueue.c:3387)
[  120.829898][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  120.829901][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  120.829903][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  120.829905][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  120.829907][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  120.829909][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  120.829911][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  120.829913][   T70]  kthread (kernel/kthread.c:436)
[  120.829914][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  120.829916][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  120.829917][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  120.829919][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  120.829921][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  120.829924][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  120.829926][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  122.844544][ T2413] softirqs last disabled at (0): 0x0
| [  122.844545][ T2413] Preemption disabled at:
| [  122.844546][ T2413] vprintk_emit (kernel/printk/printk.c:2471)
| [  122.844556][ T2413] Tainted: [W]=WARN
[  122.844557][ T2413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  122.844559][ T2413] Call Trace:
[  122.844561][ T2413]  <TASK>
[  122.844562][ T2413]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  122.844568][ T2413]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  122.844569][ T2413]  __might_resched.cold (kernel/sched/core.c:9234)
[  122.844572][ T2413]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  122.844576][ T2413]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  122.844584][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844587][ T2413]  __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))
[  122.844589][ T2413]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.844592][ T2413]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.844598][ T2413]  ? 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)
[  122.844599][ T2413]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  122.844602][ T2413]  put_chars (drivers/char/virtio_console.c:1176)
[  122.844603][ T2413]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  122.844605][ T2413]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  122.844608][ T2413]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  122.844612][ T2413]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  122.844614][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844615][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844618][ T2413]  console_emit_next_record (kernel/printk/printk.c:3183)
[  122.844620][ T2413]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  122.844622][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844623][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844624][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844625][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844627][ T2413]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  122.844629][ T2413]  console_flush_one_record (kernel/printk/printk.c:3268)
[  122.844631][ T2413]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  122.844634][ T2413]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  122.844635][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844637][ T2413]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  122.844638][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844639][ T2413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.844641][ T2413]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  122.844642][ T2413]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  122.844644][ T2413]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  122.844645][ T2413]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  122.844647][ T2413]  vprintk_emit (kernel/printk/printk.c:2479)
[  122.844648][ T2413]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  122.844650][ T2413]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  122.844651][ T2413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.844654][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844655][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844657][ T2413]  _printk (kernel/printk/printk.c:2504)
[  122.844660][ T2413]  ? snapshot_read.cold (user.c:?)
[  122.844662][ T2413]  ? br_multicast_flood (??:?)
[  122.844665][ T2413]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  122.844668][ T2413]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.844669][ T2413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.844671][ T2413]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  122.844673][ T2413]  br_init_port (net/bridge/br_stp_if.c:39)
[  122.844675][ T2413]  new_nbp (net/bridge/br_if.c:449)
[  122.844677][ T2413]  br_add_if (net/bridge/br_if.c:592)
[  122.844679][ T2413]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  122.844682][ T2413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.844685][ T2413]  do_set_master (net/core/rtnetlink.c:3071)
[  122.844688][ T2413]  ? netif_change_flags (net/core/dev.c:9882)
[  122.844690][ T2413]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  122.844692][ T2413]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  122.844693][ T2413]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  122.844695][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844696][ T2413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.844699][ T2413]  ? kasan_save_stack (mm/kasan/common.c:58)
[  122.844701][ T2413]  ? kasan_save_stack (mm/kasan/common.c:57)
[  122.844702][ T2413]  ? kasan_save_track (mm/kasan/common.c:78)
[  122.844703][ T2413]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  122.844704][ T2413]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  122.844705][ T2413]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  122.844706][ T2413]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.844707][ T2413]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.844710][ T2413]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.844711][ T2413]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.844713][ T2413]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.844715][ T2413]  ? ____sys_sendmsg (net/socket.c:2713)
[  122.844717][ T2413]  ? ___sys_sendmsg (net/socket.c:2767)
[  122.844718][ T2413]  ? __sys_sendmsg (net/socket.c:2799)
[  122.844720][ T2413]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.844723][ T2413]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.844725][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844726][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844728][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844728][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844729][ T2413]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  122.844731][ T2413]  ? __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)
[  122.844733][ T2413]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  122.844734][ T2413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  122.844735][ T2413]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  122.844736][ T2413]  ? nla_get_range_signed (lib/nlattr.c:270)
[  122.844739][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844741][ T2413]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  122.844743][ T2413]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  122.844745][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844746][ T2413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.844747][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844749][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844750][ T2413]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  122.844752][ T2413]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  122.844754][ T2413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.844755][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844756][ T2413]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  122.844759][ T2413]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  122.844762][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844763][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844764][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844765][ T2413]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  122.844766][ T2413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  122.844768][ T2413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.844769][ T2413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.844771][ T2413]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  122.844773][ T2413]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  122.844774][ T2413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  122.844776][ T2413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.844777][ T2413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  122.844779][ T2413]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  122.844782][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844783][ T2413]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  122.844785][ T2413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  122.844787][ T2413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  122.844789][ T2413]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.844791][ T2413]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  122.844793][ T2413]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  122.844794][ T2413]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  122.844796][ T2413]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  122.844797][ T2413]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  122.844800][ T2413]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  122.844802][ T2413]  ____sys_sendmsg (net/socket.c:2713)
[  122.844803][ T2413]  ? copy_msghdr_from_user (net/socket.c:2650)
[  122.844805][ T2413]  ? sock_write_iter (net/socket.c:1269)
[  122.844806][ T2413]  ? move_addr_to_kernel (net/socket.c:258)
[  122.844808][ T2413]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  122.844810][ T2413]  ___sys_sendmsg (net/socket.c:2767)
[  122.844812][ T2413]  ? copy_msghdr_from_user (net/socket.c:2619)
[  122.844817][ T2413]  __sys_sendmsg (net/socket.c:2799)
[  122.844819][ T2413]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  122.844821][ T2413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  122.844823][ T2413]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  122.844824][ T2413]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  122.844826][ T2413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  122.844828][ T2413] RIP: 0033:0x7ff61a3bb54e
[  122.844830][ T2413] 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
[  122.844832][ T2413] RSP: 002b:00007ffd610f8b90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  122.844835][ T2413] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff61a3bb54e
[  122.844837][ T2413] RDX: 0000000000000000 RSI: 00007ffd610f8c40 RDI: 0000000000000005
[  122.844838][ T2413] RBP: 00007ffd610f8ba0 R08: 0000000000000000 R09: 0000000000000000
[  122.844838][ T2413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91568a
[  122.844839][ T2413] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd610f9310
| [  129.820326][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  129.820328][   T70] Preemption disabled at:
| [  129.820329][   T70] 0x0
| [  129.820338][   T70] Tainted: [W]=WARN
[  129.820339][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  129.820341][   T70] Workqueue: netns cleanup_net
[  129.820347][   T70] Call Trace:
[  129.820349][   T70]  <TASK>
[  129.820350][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  129.820356][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  129.820360][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.820364][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820367][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  129.820369][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.820373][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.820377][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  129.820379][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  129.820381][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  129.820383][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  129.820384][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  129.820386][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  129.820389][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  129.820393][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  129.820395][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.820397][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820399][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  129.820402][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  129.820404][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820405][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820406][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820407][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820408][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  129.820410][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  129.820412][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  129.820415][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  129.820417][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820418][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  129.820420][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820421][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  129.820422][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  129.820423][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  129.820425][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  129.820427][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  129.820428][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  129.820430][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  129.820431][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820432][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  129.820435][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  129.820437][   T70]  _printk (kernel/printk/printk.c:2504)
[  129.820440][   T70]  ? snapshot_read.cold (user.c:?)
[  129.820442][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  129.820445][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  129.820449][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  129.820450][   T70]  br_device_event (net/bridge/br.c:111)
[  129.820453][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  129.820454][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  129.820456][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  129.820459][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  129.820462][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  129.820465][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  129.820467][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820468][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  129.820470][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  129.820472][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  129.820474][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  129.820475][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  129.820478][   T70]  ? kthread (kernel/kthread.c:436)
[  129.820480][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  129.820482][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  129.820485][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  129.820486][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820487][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  129.820489][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  129.820491][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  129.820492][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820494][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  129.820495][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  129.820497][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  129.820499][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  129.820501][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  129.820503][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  129.820506][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  129.820508][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  129.820510][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  129.820511][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  129.820513][   T70]  process_one_work (kernel/workqueue.c:3387)
[  129.820516][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  129.820518][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  129.820520][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  129.820523][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  129.820524][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  129.820526][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  129.820528][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  129.820529][   T70]  kthread (kernel/kthread.c:436)
[  129.820531][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  129.820532][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  129.820534][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  129.820536][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  129.820537][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  129.820540][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  129.820542][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  131.807795][ T2621] softirqs last disabled at (0): 0x0
| [  131.807797][ T2621] Preemption disabled at:
| [  131.807797][ T2621] vprintk_emit (kernel/printk/printk.c:2471)
| [  131.807807][ T2621] Tainted: [W]=WARN
[  131.807808][ T2621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  131.807810][ T2621] Call Trace:
[  131.807811][ T2621]  <TASK>
[  131.807812][ T2621]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  131.807818][ T2621]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  131.807819][ T2621]  __might_resched.cold (kernel/sched/core.c:9234)
[  131.807823][ T2621]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  131.807826][ T2621]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  131.807829][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807832][ T2621]  __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))
[  131.807834][ T2621]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.807837][ T2621]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.807842][ T2621]  ? 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)
[  131.807844][ T2621]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  131.807847][ T2621]  put_chars (drivers/char/virtio_console.c:1176)
[  131.807848][ T2621]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  131.807850][ T2621]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  131.807852][ T2621]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  131.807857][ T2621]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  131.807858][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807859][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807862][ T2621]  console_emit_next_record (kernel/printk/printk.c:3183)
[  131.807865][ T2621]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  131.807866][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807867][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807868][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807869][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807871][ T2621]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  131.807873][ T2621]  console_flush_one_record (kernel/printk/printk.c:3268)
[  131.807875][ T2621]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  131.807878][ T2621]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  131.807879][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807881][ T2621]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  131.807883][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807883][ T2621]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.807885][ T2621]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  131.807886][ T2621]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  131.807888][ T2621]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  131.807890][ T2621]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  131.807891][ T2621]  vprintk_emit (kernel/printk/printk.c:2479)
[  131.807893][ T2621]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  131.807894][ T2621]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  131.807896][ T2621]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.807899][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807900][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807902][ T2621]  _printk (kernel/printk/printk.c:2504)
[  131.807905][ T2621]  ? snapshot_read.cold (user.c:?)
[  131.807907][ T2621]  ? br_multicast_flood (??:?)
[  131.807910][ T2621]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  131.807913][ T2621]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.807914][ T2621]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.807916][ T2621]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  131.807918][ T2621]  br_init_port (net/bridge/br_stp_if.c:39)
[  131.807920][ T2621]  new_nbp (net/bridge/br_if.c:449)
[  131.807922][ T2621]  br_add_if (net/bridge/br_if.c:592)
[  131.807924][ T2621]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  131.807928][ T2621]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  131.807931][ T2621]  do_set_master (net/core/rtnetlink.c:3071)
[  131.807932][ T2621]  ? netif_change_flags (net/core/dev.c:9882)
[  131.807934][ T2621]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  131.807935][ T2621]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  131.807937][ T2621]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  131.807938][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807939][ T2621]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.807942][ T2621]  ? kasan_save_stack (mm/kasan/common.c:58)
[  131.807944][ T2621]  ? kasan_save_stack (mm/kasan/common.c:57)
[  131.807945][ T2621]  ? kasan_save_track (mm/kasan/common.c:78)
[  131.807946][ T2621]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  131.807947][ T2621]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  131.807948][ T2621]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  131.807949][ T2621]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.807950][ T2621]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.807953][ T2621]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.807955][ T2621]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.807956][ T2621]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  131.807958][ T2621]  ? ____sys_sendmsg (net/socket.c:2713)
[  131.807960][ T2621]  ? ___sys_sendmsg (net/socket.c:2767)
[  131.807961][ T2621]  ? __sys_sendmsg (net/socket.c:2799)
[  131.807963][ T2621]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.807966][ T2621]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.807969][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807970][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807971][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807972][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807973][ T2621]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  131.807975][ T2621]  ? __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)
[  131.807977][ T2621]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  131.807978][ T2621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  131.807979][ T2621]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  131.807980][ T2621]  ? nla_get_range_signed (lib/nlattr.c:270)
[  131.807984][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807985][ T2621]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  131.807987][ T2621]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  131.807989][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807990][ T2621]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.807992][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.807993][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.807994][ T2621]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  131.807997][ T2621]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  131.807998][ T2621]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  131.808000][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.808001][ T2621]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  131.808004][ T2621]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  131.808006][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.808007][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.808009][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.808010][ T2621]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  131.808011][ T2621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  131.808012][ T2621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.808014][ T2621]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.808015][ T2621]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  131.808017][ T2621]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  131.808019][ T2621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  131.808020][ T2621]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.808022][ T2621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  131.808023][ T2621]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  131.808026][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.808027][ T2621]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  131.808029][ T2621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  131.808031][ T2621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  131.808033][ T2621]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.808035][ T2621]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  131.808037][ T2621]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  131.808038][ T2621]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  131.808040][ T2621]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  131.808041][ T2621]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  131.808044][ T2621]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  131.808046][ T2621]  ____sys_sendmsg (net/socket.c:2713)
[  131.808048][ T2621]  ? copy_msghdr_from_user (net/socket.c:2650)
[  131.808049][ T2621]  ? sock_write_iter (net/socket.c:1269)
[  131.808051][ T2621]  ? move_addr_to_kernel (net/socket.c:258)
[  131.808052][ T2621]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  131.808055][ T2621]  ___sys_sendmsg (net/socket.c:2767)
[  131.808056][ T2621]  ? copy_msghdr_from_user (net/socket.c:2619)
[  131.808061][ T2621]  __sys_sendmsg (net/socket.c:2799)
[  131.808063][ T2621]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  131.808066][ T2621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  131.808067][ T2621]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  131.808069][ T2621]  ? irq_exit_rcu (kernel/softirq.c:786)
[  131.808071][ T2621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  131.808073][ T2621] RIP: 0033:0x7fa43272254e
[  131.808075][ T2621] 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
[  131.808077][ T2621] RSP: 002b:00007ffcb17ccbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  131.808080][ T2621] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa43272254e
[  131.808082][ T2621] RDX: 0000000000000000 RSI: 00007ffcb17ccca0 RDI: 0000000000000005
[  131.808083][ T2621] RBP: 00007ffcb17ccc00 R08: 0000000000000000 R09: 0000000000000000
[  131.808083][ T2621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915693
[  131.808084][ T2621] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb17cd370
| [  139.083593][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  139.083595][   T70] Preemption disabled at:
| [  139.083595][   T70] 0x0
| [  139.083605][   T70] Tainted: [W]=WARN
[  139.083606][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  139.083607][   T70] Workqueue: netns cleanup_net
[  139.083613][   T70] Call Trace:
[  139.083615][   T70]  <TASK>
[  139.083616][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  139.083622][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  139.083625][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.083629][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083632][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  139.083635][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.083638][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.083642][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  139.083644][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  139.083646][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  139.083648][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  139.083649][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  139.083652][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  139.083654][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  139.083659][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  139.083661][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.083662][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083665][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  139.083673][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  139.083674][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083676][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083676][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083677][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083679][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  139.083681][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  139.083683][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  139.083688][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  139.083690][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083691][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  139.083693][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083694][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  139.083696][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  139.083697][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  139.083699][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  139.083701][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  139.083702][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  139.083704][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  139.083705][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083706][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.083709][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  139.083711][   T70]  _printk (kernel/printk/printk.c:2504)
[  139.083714][   T70]  ? snapshot_read.cold (user.c:?)
[  139.083716][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  139.083719][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  139.083723][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  139.083725][   T70]  br_device_event (net/bridge/br.c:111)
[  139.083727][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  139.083729][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  139.083731][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  139.083734][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  139.083737][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  139.083739][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  139.083741][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083743][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  139.083745][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  139.083747][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  139.083749][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  139.083750][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.083753][   T70]  ? kthread (kernel/kthread.c:436)
[  139.083755][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  139.083758][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  139.083760][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  139.083761][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083762][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.083764][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  139.083766][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  139.083767][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083769][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  139.083770][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  139.083772][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  139.083775][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  139.083777][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  139.083778][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  139.083781][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  139.083783][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  139.083785][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  139.083787][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  139.083788][   T70]  process_one_work (kernel/workqueue.c:3387)
[  139.083791][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  139.083794][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  139.083796][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  139.083798][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.083800][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  139.083802][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.083804][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  139.083805][   T70]  kthread (kernel/kthread.c:436)
[  139.083807][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  139.083808][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.083810][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  139.083812][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  139.083813][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  139.083816][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  139.083818][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  141.056958][ T2842] softirqs last disabled at (0): 0x0
| [  141.056959][ T2842] Preemption disabled at:
| [  141.056960][ T2842] vprintk_emit (kernel/printk/printk.c:2471)
| [  141.056970][ T2842] Tainted: [W]=WARN
[  141.056971][ T2842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  141.056973][ T2842] Call Trace:
[  141.056975][ T2842]  <TASK>
[  141.056976][ T2842]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  141.056981][ T2842]  ? vprintk_emit (kernel/printk/printk.c:2471)
[  141.056982][ T2842]  __might_resched.cold (kernel/sched/core.c:9234)
[  141.056986][ T2842]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  141.056989][ T2842]  ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1))
[  141.056993][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.056995][ T2842]  __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))
[  141.056998][ T2842]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.057001][ T2842]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.057006][ T2842]  ? 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)
[  141.057007][ T2842]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  141.057010][ T2842]  put_chars (drivers/char/virtio_console.c:1176)
[  141.057011][ T2842]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  141.057013][ T2842]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  141.057016][ T2842]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  141.057020][ T2842]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  141.057022][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057023][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057025][ T2842]  console_emit_next_record (kernel/printk/printk.c:3183)
[  141.057028][ T2842]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  141.057030][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057031][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057032][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057033][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057034][ T2842]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  141.057036][ T2842]  console_flush_one_record (kernel/printk/printk.c:3268)
[  141.057038][ T2842]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  141.057041][ T2842]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  141.057043][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057044][ T2842]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  141.057046][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057047][ T2842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.057048][ T2842]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  141.057050][ T2842]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  141.057051][ T2842]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  141.057053][ T2842]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  141.057054][ T2842]  vprintk_emit (kernel/printk/printk.c:2479)
[  141.057056][ T2842]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  141.057057][ T2842]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  141.057059][ T2842]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.057061][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057063][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057064][ T2842]  _printk (kernel/printk/printk.c:2504)
[  141.057067][ T2842]  ? snapshot_read.cold (user.c:?)
[  141.057069][ T2842]  ? br_multicast_flood (??:?)
[  141.057072][ T2842]  ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  141.057075][ T2842]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.057076][ T2842]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.057078][ T2842]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  141.057081][ T2842]  br_init_port (net/bridge/br_stp_if.c:39)
[  141.057082][ T2842]  new_nbp (net/bridge/br_if.c:449)
[  141.057084][ T2842]  br_add_if (net/bridge/br_if.c:592)
[  141.057086][ T2842]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  141.057089][ T2842]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.057093][ T2842]  do_set_master (net/core/rtnetlink.c:3071)
[  141.057094][ T2842]  ? netif_change_flags (net/core/dev.c:9882)
[  141.057096][ T2842]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[  141.057097][ T2842]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[  141.057099][ T2842]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[  141.057100][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057101][ T2842]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.057104][ T2842]  ? kasan_save_stack (mm/kasan/common.c:58)
[  141.057106][ T2842]  ? kasan_save_stack (mm/kasan/common.c:57)
[  141.057107][ T2842]  ? kasan_save_track (mm/kasan/common.c:78)
[  141.057108][ T2842]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  141.057109][ T2842]  ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563)
[  141.057110][ T2842]  ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1))
[  141.057112][ T2842]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.057113][ T2842]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.057116][ T2842]  ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.057117][ T2842]  ? netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.057119][ T2842]  ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.057121][ T2842]  ? ____sys_sendmsg (net/socket.c:2713)
[  141.057122][ T2842]  ? ___sys_sendmsg (net/socket.c:2767)
[  141.057123][ T2842]  ? __sys_sendmsg (net/socket.c:2799)
[  141.057125][ T2842]  ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.057128][ T2842]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.057130][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057131][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057133][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057134][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057135][ T2842]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[  141.057136][ T2842]  ? __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)
[  141.057138][ T2842]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[  141.057139][ T2842]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[  141.057141][ T2842]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[  141.057142][ T2842]  ? nla_get_range_signed (lib/nlattr.c:270)
[  141.057145][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057146][ T2842]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[  141.057148][ T2842]  rtnl_newlink (net/core/rtnetlink.c:4215)
[  141.057150][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057151][ T2842]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.057152][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057154][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057155][ T2842]  ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749)
[  141.057158][ T2842]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[  141.057159][ T2842]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.057160][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057161][ T2842]  ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22))
[  141.057164][ T2842]  ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26)
[  141.057167][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057168][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057169][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057170][ T2842]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[  141.057171][ T2842]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[  141.057173][ T2842]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.057174][ T2842]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.057176][ T2842]  ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[  141.057178][ T2842]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[  141.057180][ T2842]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  141.057181][ T2842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.057182][ T2842]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  141.057184][ T2842]  ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499)
[  141.057187][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057188][ T2842]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  141.057190][ T2842]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  141.057192][ T2842]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  141.057193][ T2842]  ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.057195][ T2842]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[  141.057197][ T2842]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[  141.057199][ T2842]  ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94)
[  141.057200][ T2842]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  141.057202][ T2842]  ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373)
[  141.057205][ T2842]  __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4))
[  141.057207][ T2842]  ____sys_sendmsg (net/socket.c:2713)
[  141.057208][ T2842]  ? copy_msghdr_from_user (net/socket.c:2650)
[  141.057210][ T2842]  ? sock_write_iter (net/socket.c:1269)
[  141.057211][ T2842]  ? move_addr_to_kernel (net/socket.c:258)
[  141.057213][ T2842]  ? filter_irq_stacks (kernel/stacktrace.c:402)
[  141.057215][ T2842]  ___sys_sendmsg (net/socket.c:2767)
[  141.057217][ T2842]  ? copy_msghdr_from_user (net/socket.c:2619)
[  141.057221][ T2842]  __sys_sendmsg (net/socket.c:2799)
[  141.057223][ T2842]  ? __sys_sendmsg_sock (net/socket.c:2780)
[  141.057226][ T2842]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  141.057227][ T2842]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[  141.057229][ T2842]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[  141.057231][ T2842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  141.057232][ T2842] RIP: 0033:0x7f62161e254e
[  141.057234][ T2842] 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
[  141.057236][ T2842] RSP: 002b:00007ffece3e6810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  141.057239][ T2842] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f62161e254e
[  141.057241][ T2842] RDX: 0000000000000000 RSI: 00007ffece3e68c0 RDI: 0000000000000005
[  141.057241][ T2842] RBP: 00007ffece3e6820 R08: 0000000000000000 R09: 0000000000000000
[  141.057242][ T2842] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91569c
[  141.057243][ T2842] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffece3e6f90
| [  148.702473][   T70] softirqs last disabled at (487936): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323)
| [  148.702476][   T70] Preemption disabled at:
| [  148.702477][   T70] 0x0
| [  148.702490][   T70] Tainted: [W]=WARN
[  148.702491][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  148.702493][   T70] Workqueue: netns cleanup_net
[  148.702500][   T70] Call Trace:
[  148.702502][   T70]  <TASK>
[  148.702505][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[  148.702511][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[  148.702516][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.702521][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702525][   T70]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[  148.702529][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.702533][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.702538][   T70]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[  148.702541][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[  148.702545][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[  148.702547][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[  148.702549][   T70]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[  148.702553][   T70]  ? console_prepend_replay (kernel/printk/printk.c:3005)
[  148.702557][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[  148.702563][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[  148.702566][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.702568][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702572][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[  148.702576][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[  148.702579][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702581][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702582][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702584][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702587][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[  148.702590][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[  148.702593][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[  148.702597][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[  148.702600][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702602][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[  148.702605][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702606][   T70]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[  148.702609][   T70]  ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871)
[  148.702611][   T70]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6))
[  148.702613][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[  148.702616][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[  148.702619][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[  148.702621][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[  148.702623][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702625][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.702629][   T70]  ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[  148.702632][   T70]  _printk (kernel/printk/printk.c:2504)
[  148.702636][   T70]  ? snapshot_read.cold (user.c:?)
[  148.702639][   T70]  ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792)
[  148.702644][   T70]  br_set_state (net/bridge/br_stp.c:57 (discriminator 2))
[  148.702648][   T70]  br_stp_disable_port (net/bridge/br_stp_if.c:106)
[  148.702651][   T70]  br_device_event (net/bridge/br.c:111)
[  148.702654][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[  148.702657][   T70]  ? packet_sendmsg_spkt (af_packet.c:?)
[  148.702660][   T70]  ? addrconf_notify (net/ipv6/addrconf.c:3812)
[  148.702664][   T70]  notifier_call_chain (kernel/notifier.c:85)
[  148.702668][   T70]  netif_close_many (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:1829)
[  148.702671][   T70]  ? trace_kfree (./include/trace/events/kmem.h:97 (discriminator 22))
[  148.702674][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702677][   T70]  ? __dev_close_many (net/core/dev.c:1804)
[  148.702680][   T70]  ? netif_close_many_and_unlock (net/core/dev.c:12411)
[  148.702683][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12487)
[  148.702689][   T70]  ? ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  148.702691][   T70]  ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.702695][   T70]  ? kthread (kernel/kthread.c:436)
[  148.702697][   T70]  ? ret_from_fork (arch/x86/kernel/process.c:158)
[  148.702701][   T70]  ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
[  148.702704][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[  148.702707][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702709][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.702712][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[  148.702714][   T70]  ? __mutex_unlock_slowpath (./include/linux/preempt.h:500 (discriminator 1) kernel/locking/mutex.c:999 (discriminator 1))
[  148.702716][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702722][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[  148.702725][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[  148.702728][   T70]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  148.702731][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[  148.702734][   T70]  ? netns_install (./include/linux/ns_common.h:26)
[  148.702737][   T70]  ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563)
[  148.702741][   T70]  cleanup_net (net/core/net_namespace.c:706)
[  148.702744][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[  148.702747][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[  148.702749][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[  148.702752][   T70]  process_one_work (kernel/workqueue.c:3387)
[  148.702756][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[  148.702760][   T70]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[  148.702764][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[  148.702767][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.702770][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  148.702773][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.702775][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[  148.702778][   T70]  kthread (kernel/kthread.c:436)
[  148.702780][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  148.702782][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[  148.702785][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[  148.702788][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[  148.702791][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  148.702794][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:_raw_spin_lock
__fib6_clean_all:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
__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