======================================
| [   10.199855][  T187] softirqs last disabled at (19627): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.199858][  T187] Preemption disabled at:
| [   10.199859][  T187] vprintk_emit (kernel/printk/printk.c:2471)
| [   10.199868][  T187] Tainted: [W]=WARN
[   10.199869][  T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.199870][  T187] Call Trace:
[   10.199872][  T187]  <TASK>
[   10.199873][  T187]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.199879][  T187]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   10.199881][  T187]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.199885][  T187]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.199889][  T187]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.199894][  T187]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.199897][  T187]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.199903][  T187]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.199905][  T187]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.199909][  T187]  put_chars (drivers/char/virtio_console.c:1176)
[   10.199912][  T187]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.199916][  T187]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   10.199921][  T187]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.199931][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.199936][  T187]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.199939][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.199945][  T187]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.199948][  T187]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.199952][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.199954][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.199958][  T187]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.199962][  T187]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.199963][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.199969][  T187]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.199971][  T187]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.199973][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.199974][  T187]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.199978][  T187]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.199980][  T187]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.199983][  T187]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.199986][  T187]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.199989][  T187]  ? __nlmsg_put (net/netlink/af_netlink.c:2157 (discriminator 1))
[   10.199994][  T187]  _printk (kernel/printk/printk.c:2504)
[   10.199998][  T187]  ? snapshot_read.cold (user.c:?)
[   10.200002][  T187]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   10.200005][  T187]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   10.200008][  T187]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   10.200010][  T187]  ? netdev_notice (net/core/dev.c:13194)
[   10.200014][  T187]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   10.200018][  T187]  ? team_nl_send_options_get (./include/linux/skbuff.h:2915 (discriminator 2))
[   10.200023][  T187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   10.200027][  T187]  team_port_add (drivers/net/team/team_core.c:1383)
[   10.200033][  T187]  ? team_port_enable (./include/linux/if_team.h:86 (discriminator 3))
[   10.200034][  T187]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   10.200041][  T187]  do_set_master (net/core/rtnetlink.c:3071)
[   10.200045][  T187]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   10.200049][  T187]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   10.200052][  T187]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   10.200054][  T187]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.200057][  T187]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.200061][  T187]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.200063][  T187]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.200065][  T187]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.200068][  T187]  ? kasan_save_stack (mm/kasan/common.c:58)
[   10.200070][  T187]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.200072][  T187]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.200074][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.200077][  T187]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   10.200079][  T187]  ? ___sys_sendmsg (net/socket.c:2757)
[   10.200083][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.200086][  T187]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.200089][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.200091][  T187]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.200092][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.200094][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.200096][  T187]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   10.200098][  T187]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   10.200099][  T187]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   10.200101][  T187]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   10.200105][  T187]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   10.200107][  T187]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.200113][  T187]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   10.200119][  T187]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   10.200124][  T187]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.200127][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.200132][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.200134][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.200136][  T187]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.200138][  T187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.200142][  T187]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   10.200145][  T187]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   10.200148][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.200150][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.200155][  T187]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   10.200157][  T187]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   10.200161][  T187]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   10.200163][  T187]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.200168][  T187]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.200174][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.200176][  T187]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.200180][  T187]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.200184][  T187]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.200187][  T187]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.200191][  T187]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   10.200195][  T187]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   10.200199][  T187]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   10.200205][  T187]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   10.200207][  T187]  ? copy_msghdr_from_user (net/socket.c:2650)
[   10.200209][  T187]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   10.200210][  T187]  ? move_addr_to_kernel (net/socket.c:258)
[   10.200217][  T187]  ___sys_sendmsg (net/socket.c:2767)
[   10.200220][  T187]  ? copy_msghdr_from_user (net/socket.c:2619)
[   10.200235][  T187]  __sys_sendmsg (net/socket.c:2799)
[   10.200238][  T187]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   10.200244][  T187]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.200247][  T187]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.200249][  T187]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.200251][  T187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.200254][  T187] RIP: 0033:0x7f07afaa954e
[   10.200258][  T187] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.200260][  T187] RSP: 002b:00007ffc24937420 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.200262][  T187] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f07afaa954e
[   10.200264][  T187] RDX: 0000000000000000 RSI: 00007ffc249374d0 RDI: 0000000000000005
[   10.200265][  T187] RBP: 00007ffc24937430 R08: 0000000000000000 R09: 0000000000000000
[   10.200266][  T187] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c9a
[   10.200267][  T187] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc24937b90
| [   11.464575][  T232] softirqs last disabled at (14098): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2))
| [   11.464577][  T232] Preemption disabled at:
| [   11.464578][  T232] vprintk_emit (kernel/printk/printk.c:2471)
| [   11.464588][  T232] Tainted: [W]=WARN
[   11.464589][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.464590][  T232] Call Trace:
[   11.464592][  T232]  <TASK>
[   11.464594][  T232]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.464599][  T232]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   11.464601][  T232]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.464606][  T232]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.464610][  T232]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   11.464615][  T232]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   11.464618][  T232]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.464624][  T232]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.464626][  T232]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.464630][  T232]  put_chars (drivers/char/virtio_console.c:1176)
[   11.464634][  T232]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.464636][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.464640][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.464643][  T232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.464649][  T232]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.464653][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464658][  T232]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.464662][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464667][  T232]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.464670][  T232]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.464675][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464677][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.464681][  T232]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.464685][  T232]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.464686][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464692][  T232]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.464695][  T232]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.464696][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464698][  T232]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.464702][  T232]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.464704][  T232]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.464707][  T232]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.464711][  T232]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.464714][  T232]  ? __nlmsg_put (net/netlink/af_netlink.c:2157 (discriminator 1))
[   11.464719][  T232]  _printk (kernel/printk/printk.c:2504)
[   11.464723][  T232]  ? snapshot_read.cold (user.c:?)
[   11.464727][  T232]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   11.464731][  T232]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   11.464734][  T232]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   11.464737][  T232]  ? netdev_notice (net/core/dev.c:13194)
[   11.464741][  T232]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6))
[   11.464744][  T232]  ? team_nl_send_options_get (./include/linux/skbuff.h:2915 (discriminator 2))
[   11.464749][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.464753][  T232]  team_port_add (drivers/net/team/team_core.c:1383)
[   11.464760][  T232]  ? team_port_enable (./include/linux/if_team.h:86 (discriminator 3))
[   11.464761][  T232]  ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751)
[   11.464768][  T232]  do_set_master (net/core/rtnetlink.c:3071)
[   11.464773][  T232]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   11.464777][  T232]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   11.464780][  T232]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   11.464783][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.464785][  T232]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.464788][  T232]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   11.464790][  T232]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.464792][  T232]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   11.464795][  T232]  ? kasan_save_stack (mm/kasan/common.c:58)
[   11.464798][  T232]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.464799][  T232]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.464801][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464803][  T232]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   11.464805][  T232]  ? ___sys_sendmsg (net/socket.c:2757)
[   11.464809][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.464812][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.464815][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464817][  T232]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.464819][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464820][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464822][  T232]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   11.464825][  T232]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821)
[   11.464826][  T232]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   11.464828][  T232]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   11.464832][  T232]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   11.464834][  T232]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.464840][  T232]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   11.464846][  T232]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   11.464853][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.464855][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464860][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.464862][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.464865][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.464867][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.464871][  T232]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   11.464874][  T232]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   11.464878][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.464879][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464884][  T232]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.464886][  T232]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.464890][  T232]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   11.464892][  T232]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.464896][  T232]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.464902][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.464904][  T232]  ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.464908][  T232]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.464912][  T232]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.464915][  T232]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.464919][  T232]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   11.464923][  T232]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   11.464932][  T232]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   11.464938][  T232]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   11.464941][  T232]  ? copy_msghdr_from_user (net/socket.c:2650)
[   11.464943][  T232]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   11.464944][  T232]  ? move_addr_to_kernel (net/socket.c:258)
[   11.464952][  T232]  ___sys_sendmsg (net/socket.c:2767)
[   11.464954][  T232]  ? copy_msghdr_from_user (net/socket.c:2619)
[   11.464971][  T232]  __sys_sendmsg (net/socket.c:2799)
[   11.464973][  T232]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   11.464980][  T232]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.464983][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   11.464985][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   11.464988][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.464990][  T232] RIP: 0033:0x7f922c8b054e
[   11.464994][  T232] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 b4 bd 00 00       	call   0xbdbc
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.464996][  T232] RSP: 002b:00007ffceb8945b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.464999][  T232] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f922c8b054e
[   11.465000][  T232] RDX: 0000000000000000 RSI: 00007ffceb894660 RDI: 0000000000000005
[   11.465001][  T232] RBP: 00007ffceb8945c0 R08: 0000000000000000 R09: 0000000000000000
[   11.465002][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c9b
[   11.465003][  T232] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffceb894d20
| [   12.479086][  T270] softirqs last disabled at (12962): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   12.479088][  T270] Preemption disabled at:
| [   12.479088][  T270] vprintk_emit (kernel/printk/printk.c:2471)
| [   12.479098][  T270] Tainted: [W]=WARN
[   12.479099][  T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.479101][  T270] Call Trace:
[   12.479102][  T270]  <TASK>
[   12.479104][  T270]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   12.479109][  T270]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   12.479111][  T270]  __might_resched.cold (kernel/sched/core.c:9234)
[   12.479115][  T270]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   12.479119][  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)
[   12.479124][  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))
[   12.479127][  T270]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.479133][  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)
[   12.479135][  T270]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   12.479139][  T270]  put_chars (drivers/char/virtio_console.c:1176)
[   12.479143][  T270]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   12.479146][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479150][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.479153][  T270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.479157][  T270]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   12.479162][  T270]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   12.479166][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479168][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479172][  T270]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   12.479175][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2))
[   12.479178][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479180][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479184][  T270]  console_emit_next_record (kernel/printk/printk.c:3183)
[   12.479188][  T270]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   12.479192][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479194][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479198][  T270]  console_flush_one_record (kernel/printk/printk.c:3268)
[   12.479202][  T270]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   12.479203][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479209][  T270]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   12.479211][  T270]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   12.479213][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479215][  T270]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   12.479219][  T270]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   12.479221][  T270]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   12.479224][  T270]  vprintk_emit (kernel/printk/printk.c:2479)
[   12.479227][  T270]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   12.479229][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.479231][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479233][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479234][  T270]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   12.479237][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.479241][  T270]  _printk (kernel/printk/printk.c:2504)
[   12.479245][  T270]  ? snapshot_read.cold (user.c:?)
[   12.479248][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479251][  T270]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   12.479254][  T270]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   12.479257][  T270]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   12.479260][  T270]  ? netdev_notice (net/core/dev.c:13194)
[   12.479264][  T270]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   12.479266][  T270]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   12.479268][  T270]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   12.479271][  T270]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   12.479273][  T270]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   12.479278][  T270]  team_port_del (drivers/net/team/team_core.c:1468)
[   12.479284][  T270]  do_set_master (net/core/rtnetlink.c:3055)
[   12.479288][  T270]  do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1))
[   12.479292][  T270]  ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[   12.479296][  T270]  ? rtnl_link_get_size (net/core/rtnetlink.c:747)
[   12.479297][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.479300][  T270]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.479303][  T270]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   12.479305][  T270]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.479307][  T270]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   12.479310][  T270]  ? kasan_save_stack (mm/kasan/common.c:58)
[   12.479312][  T270]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.479313][  T270]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.479316][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479318][  T270]  ? netlink_seq_next (net/netlink/af_netlink.c:2685)
[   12.479321][  T270]  ? ___sys_sendmsg (net/socket.c:2757)
[   12.479325][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479327][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.479331][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479333][  T270]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   12.479334][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479336][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479338][  T270]  ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22))
[   12.479340][  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)
[   12.479342][  T270]  ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1))
[   12.479344][  T270]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214)
[   12.479348][  T270]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   12.479350][  T270]  ? nla_get_range_signed (lib/nlattr.c:270)
[   12.479356][  T270]  ? __rtnl_newlink (net/core/rtnetlink.c:4063)
[   12.479361][  T270]  rtnl_newlink (net/core/rtnetlink.c:4215)
[   12.479367][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479369][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479374][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479376][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.479379][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479381][  T270]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   12.479385][  T270]  ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558)
[   12.479388][  T270]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7132)
[   12.479391][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.479393][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479398][  T270]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   12.479400][  T270]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   12.479404][  T270]  netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[   12.479406][  T270]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.479409][  T270]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.479416][  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))
[   12.479417][  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))
[   12.479422][  T270]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.479425][  T270]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.479428][  T270]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   12.479432][  T270]  netlink_sendmsg (net/netlink/af_netlink.c:1900)
[   12.479436][  T270]  ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7))
[   12.479440][  T270]  ? __might_fault (mm/memory.c:7482 (discriminator 5))
[   12.479446][  T270]  ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4))
[   12.479448][  T270]  ? copy_msghdr_from_user (net/socket.c:2650)
[   12.479450][  T270]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399)
[   12.479452][  T270]  ? move_addr_to_kernel (net/socket.c:258)
[   12.479459][  T270]  ___sys_sendmsg (net/socket.c:2767)
[   12.479461][  T270]  ? copy_msghdr_from_user (net/socket.c:2619)
[   12.479477][  T270]  __sys_sendmsg (net/socket.c:2799)
[   12.479480][  T270]  ? __sys_sendmsg_sock (net/socket.c:2780)
[   12.479486][  T270]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   12.479489][  T270]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   12.479491][  T270]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   12.479494][  T270]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.479496][  T270] RIP: 0033:0x7f900da9554e
[   12.479500][  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
[   12.479502][  T270] RSP: 002b:00007ffee386e600 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.479504][  T270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f900da9554e
[   12.479506][  T270] RDX: 0000000000000000 RSI: 00007ffee386e6b0 RDI: 0000000000000005
[   12.479506][  T270] RBP: 00007ffee386e610 R08: 0000000000000000 R09: 0000000000000000
[   12.479507][  T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910c9c
[   12.479508][  T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee386ed70
| [   14.411785][   T70] softirqs last disabled at (9280): fib6_run_gc (./include/linux/spinlock.h:431 net/ipv6/ip6_fib.c:2437)
| [   14.411787][   T70] Preemption disabled at:
| [   14.411788][   T70] vprintk_emit (kernel/printk/printk.c:2471)
| [   14.411797][   T70] Tainted: [W]=WARN
[   14.411798][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.411799][   T70] Workqueue: netns cleanup_net
[   14.411803][   T70] Call Trace:
[   14.411804][   T70]  <TASK>
[   14.411806][   T70]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   14.411812][   T70]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   14.411814][   T70]  __might_resched.cold (kernel/sched/core.c:9234)
[   14.411818][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.411822][   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)
[   14.411827][   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))
[   14.411830][   T70]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.411837][   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)
[   14.411839][   T70]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   14.411842][   T70]  put_chars (drivers/char/virtio_console.c:1176)
[   14.411846][   T70]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   14.411848][   T70]  ? check_prev_add (kernel/locking/lockdep.c:3185)
[   14.411853][   T70]  ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928)
[   14.411857][   T70]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   14.411861][   T70]  ? mark_usage (kernel/locking/lockdep.c:4690)
[   14.411863][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.411865][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.411870][   T70]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   14.411872][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.411877][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.411881][   T70]  console_emit_next_record (kernel/printk/printk.c:3183)
[   14.411885][   T70]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   14.411889][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.411893][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.411897][   T70]  console_flush_one_record (kernel/printk/printk.c:3268)
[   14.411901][   T70]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   14.411903][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.411908][   T70]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   14.411911][   T70]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   14.411912][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.411914][   T70]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   14.411919][   T70]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   14.411921][   T70]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   14.411924][   T70]  vprintk_emit (kernel/printk/printk.c:2479)
[   14.411927][   T70]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   14.411929][   T70]  ? default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   14.411931][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.411933][   T70]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   14.411935][   T70]  ? look_up_lock_class (kernel/locking/lockdep.c:949 (discriminator 5))
[   14.411945][   T70]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.411950][   T70]  _printk (kernel/printk/printk.c:2504)
[   14.411954][   T70]  ? snapshot_read.cold (user.c:?)
[   14.411957][   T70]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   14.411960][   T70]  ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1))
[   14.411963][   T70]  ? __netdev_printk (net/core/dev.c:13148 (discriminator 2))
[   14.411967][   T70]  netdev_info (net/core/dev.c:13195 (discriminator 3))
[   14.411969][   T70]  ? netdev_notice (net/core/dev.c:13194)
[   14.411974][   T70]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   14.411976][   T70]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   14.411978][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:210 (discriminator 6) kernel/locking/spinlock.c:221 (discriminator 6))
[   14.411980][   T70]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1))
[   14.411982][   T70]  ? kvfree_call_rcu (mm/slab_common.c:1509 (discriminator 3) mm/slab_common.c:2081 (discriminator 3))
[   14.411988][   T70]  team_port_del (drivers/net/team/team_core.c:1468)
[   14.411994][   T70]  team_uninit (drivers/net/team/team_core.c:1823)
[   14.411998][   T70]  unregister_netdevice_many_notify (net/core/dev.c:12537)
[   14.412003][   T70]  ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3))
[   14.412005][   T70]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.412007][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.412010][   T70]  ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1))
[   14.412014][   T70]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   14.412018][   T70]  default_device_exit_batch (net/core/dev.c:12589 net/core/dev.c:13288)
[   14.412021][   T70]  ? generic_xdp_install (./include/linux/netdevice.h:5716 (discriminator 3))
[   14.412024][   T70]  ? unregister_netdevice_queue (./include/linux/list.h:173)
[   14.412026][   T70]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.412028][   T70]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:154 (discriminator 1) net/ipv4/nexthop.c:4172 (discriminator 1))
[   14.412034][   T70]  ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253)
[   14.412038][   T70]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098)
[   14.412040][   T70]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   14.412046][   T70]  cleanup_net (net/core/net_namespace.c:706)
[   14.412049][   T70]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.412052][   T70]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   14.412055][   T70]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   14.412058][   T70]  process_one_work (kernel/workqueue.c:3387)
[   14.412065][   T70]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   14.412067][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   14.412076][   T70]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   14.412080][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.412081][   T70]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   14.412085][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.412087][   T70]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   14.412089][   T70]  kthread (kernel/kthread.c:436)
[   14.412091][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.412095][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   14.412098][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.412102][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   14.412106][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.412110][   T70]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
fib6_run_gc:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars
__irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars