======================================
| [ 15.100409][ T327] #0: ffffffffa31e7a48 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4020)
| [ 15.100693][ T327] #1: ffffffffa31d6630 ((netdev_chain).rwsem){++++}-{4:4}, at: blocking_notifier_call_chain (kernel/notifier.c:380 kernel/notifier.c:368)
| [   15.101006][  T327]
| [   15.101006][  T327] stack backtrace:
[   15.101431][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.101627][  T327] Call Trace:
[   15.101745][  T327]  <TASK>
[ 15.101825][ T327] dump_stack_lvl (lib/dump_stack.c:123)
[ 15.102000][ T327] print_circular_bug (kernel/locking/lockdep.c:2077)
[ 15.102157][ T327] check_noncircular (kernel/locking/lockdep.c:2206)
[ 15.102315][ T327] ? __pfx_check_noncircular (kernel/locking/lockdep.c:2182)
[ 15.102486][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[ 15.102653][ T327] ? validate_chain (kernel/locking/lockdep.c:3797 kernel/locking/lockdep.c:3817 kernel/locking/lockdep.c:3872)
[ 15.102828][ T327] ? alloc_chain_hlocks (kernel/locking/lockdep.c:3528)
[ 15.102995][ T327] check_prev_add (kernel/locking/lockdep.c:3162)
[ 15.103163][ T327] validate_chain (kernel/locking/lockdep.c:3281 kernel/locking/lockdep.c:3904)
[ 15.103331][ T327] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.103504][ T327] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 15.103669][ T327] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 15.103836][ T327] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.103954][ T327] __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.104125][ T327] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 15.104337][ T327] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 15.104506][ T327] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.104676][ T327] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.104845][ T327] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37))
[ 15.105009][ T327] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 15.105175][ T327] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.105351][ T327] __mutex_lock (kernel/locking/mutex.c:587 kernel/locking/mutex.c:735)
[ 15.105520][ T327] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.105688][ T327] ? __create_object (mm/kmemleak.c:766)
[ 15.105860][ T327] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 15.106026][ T327] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.106195][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 15.106363][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4321)
[ 15.106535][ T327] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 15.106741][ T327] ? __create_object (mm/kmemleak.c:766)
[ 15.106909][ T327] ? team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.107077][ T327] team_vlan_rx_add_vid (drivers/net/team/team_core.c:1910)
[ 15.107247][ T327] vlan_vid_add (net/8021q/vlan_core.c:307 net/8021q/vlan_core.c:336)
[ 15.107419][ T327] vlan_device_event (net/8021q/vlan.c:385) 8021q
[ 15.107593][ T327] ? __pfx_vlan_device_event (net/8021q/vlan.c:362) 8021q
[ 15.107817][ T327] ? packet_notifier (net/packet/af_packet.c:4282)
[ 15.107998][ T327] notifier_call_chain (kernel/notifier.c:85 (discriminator 2))
[ 15.108169][ T327] blocking_notifier_call_chain (kernel/notifier.c:381 kernel/notifier.c:368)
[ 15.108335][ T327] __dev_notify_flags (net/core/dev.c:9010)
[ 15.108503][ T327] ? __pfx___dev_notify_flags (net/core/dev.c:8997)
[ 15.108670][ T327] ? __pfx___dev_change_flags (net/core/dev.c:8930)
[ 15.108838][ T327] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:369 arch/x86/kernel/unwind_orc.c:364)
[ 15.109013][ T327] ? __pfx_stack_trace_consume_entry (kernel/stacktrace.c:83)
[ 15.109221][ T327] ? __pfx_validate_chain (kernel/locking/lockdep.c:3860)
[ 15.109388][ T327] dev_change_flags (net/core/dev.c:9045)
[ 15.109555][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3118)
[ 15.109725][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:2999)
[ 15.109934][ T327] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5851)
[ 15.110101][ T327] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4020)
[ 15.110272][ T327] ? rtnl_newlink (./include/linux/slab.h:901 net/core/rtnetlink.c:3921)
[ 15.110435][ T327] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:6911)
[ 15.110602][ T327] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:104)
[ 15.110768][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:79)
[ 15.110976][ T327] ? lock_acquire (kernel/locking/lockdep.c:5822)
[ 15.111139][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 37))
[ 15.111308][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:94 kernel/locking/mutex.c:595 kernel/locking/mutex.c:735)
[ 15.111477][ T327] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114)
[ 15.111642][ T327] ? rtnl_newlink (net/core/rtnetlink.c:337 net/core/rtnetlink.c:4020)
[ 15.111806][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:734)
[ 15.111973][ T327] ? __create_object (mm/kmemleak.c:766)
[ 15.112140][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3871)
[ 15.112310][ T327] rtnl_newlink (net/core/rtnetlink.c:345 net/core/rtnetlink.c:4022)
[ 15.112476][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3912)
[ 15.112648][ T327] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.112818][ T327] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 15.112986][ T327] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.113153][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/core/rtnetlink.c:6909)
[ 15.113320][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3912)
[ 15.113488][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6911)
[ 15.113656][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6814)
[ 15.113827][ T327] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228)
[ 15.113992][ T327] ? mark_lock (kernel/locking/lockdep.c:4727 (discriminator 3))
[ 15.114120][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.114289][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2543)
[ 15.114461][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6814)
[ 15.114626][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2520)
[ 15.114794][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 net/netlink/af_netlink.c:340)
[ 15.114960][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:880 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333)
[ 15.115134][ T327] netlink_unicast (net/netlink/af_netlink.c:1322 net/netlink/af_netlink.c:1348)
[ 15.115303][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1333)
[ 15.115471][ T327] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.115640][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1892)
[ 15.115811][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1811)
[ 15.115989][ T327] ____sys_sendmsg (net/socket.c:711 net/socket.c:726 net/socket.c:2594)
[ 15.116163][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2540)
[ 15.116340][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2520)
[ 15.116551][ T327] ___sys_sendmsg (net/socket.c:2650)
[ 15.116721][ T327] ? __pfx____sys_sendmsg (net/socket.c:2637)
[ 15.116889][ T327] ? kasan_save_stack (mm/kasan/common.c:49)
[ 15.117059][ T327] ? kasan_save_stack (mm/kasan/common.c:48)
[ 15.117227][ T327] ? __kasan_record_aux_stack (mm/kasan/generic.c:544)
[ 15.117395][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:87 ./arch/x86/include/asm/irqflags.h:123 kernel/rcu/tree.c:3087)
[ 15.117621][ T327] ? __x64_sys_close (fs/open.c:1557 fs/open.c:1539 fs/open.c:1539)
[ 15.117791][ T327] ? do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.117958][ T327] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 15.118169][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5226)
[ 15.118339][ T327] ? find_held_lock (kernel/locking/lockdep.c:5339)
[ 15.118504][ T327] ? __lock_release (kernel/locking/lockdep.c:5525)
[ 15.118670][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:347 ./include/linux/rcupdate.h:962 ./include/linux/mmzone.h:2058 arch/x86/mm/physaddr.c:65)
[ 15.118842][ T327] ? __pfx___lock_release (kernel/locking/lockdep.c:5501)
[ 15.119010][ T327] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814)
[ 15.119178][ T327] __sys_sendmsg (net/socket.c:2680)
[ 15.119348][ T327] ? __pfx___sys_sendmsg (net/socket.c:2665)
[ 15.119514][ T327] ? __pfx_slab_free_after_rcu_debug (mm/slub.c:4643)
[ 15.119730][ T327] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 15.119897][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[   15.120114][  T327] RIP: 0033:0x7f532e56c9a7
[ 15.120297][ T327] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0a 00                	or     (%rax),%al
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   15.120885][  T327] RSP: 002b:00007fff2cb44018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   15.121140][  T327] RAX: ffffffffffffffda RBX: 00007fff2cb44740 RCX: 00007f532e56c9a7
[   15.121392][  T327] RDX: 0000000000000000 RSI: 00007fff2cb44080 RDI: 0000000000000005
[   15.121644][  T327] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   15.121912][  T327] R10: 00007f532e42aef8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
print_circular_bug:check_noncircular:check_prev_add:validate_chain:__lock_acquire