======================================
| [   21.288451][  T327] br1: port 1(vx10) entered forwarding state
| [   21.290013][  T327] ------------[ cut here ]------------
| [ 21.290351][ T327] WARNING: CPU: 0 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.291000][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   21.293403][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.293799][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.294139][ T327] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.295269][  T327] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   21.295676][  T327] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   21.296194][  T327] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   21.296671][  T327] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.297136][  T327] R10: ffffc900005b7010 R11: ffffffff968a8918 R12: 1ffff920000b6de2
[   21.297607][  T327] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800bc02f08
[   21.298076][  T327] FS:  00007f837e17a800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   21.298690][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.299343][  T327] CR2: 00000000004e5ce0 CR3: 000000000f1c6004 CR4: 0000000000772ef0
[   21.299812][  T327] PKRU: 55555554
[   21.300044][  T327] Call Trace:
[   21.300276][  T327]  <TASK>
[ 21.300462][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.300821][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.301138][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.301454][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.301882][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.302190][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 21.302508][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.302833][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.303265][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.303508][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.303932][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.304295][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.304612][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.304924][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.305323][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.305629][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.305933][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.306244][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.306561][ 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:113) 
[ 21.306868][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.307258][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.307584][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.307890][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.308196][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.308514][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.308825][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.309145][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 21.309468][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.309782][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.310096][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.310491][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.310809][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.311125][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.311441][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.311764][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.312075][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.312395][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.312708][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.313016][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.313333][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.313648][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.313961][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.314274][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.314597][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.314922][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.315230][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.315546][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.315874][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.316212][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.316535][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.316866][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.317186][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.317518][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.317842][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.318425][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.318831][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 21.319152][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.319476][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.319873][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.320188][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.320742][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.321059][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.321377][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.321688][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.322009][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 21.322333][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.322731][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.323053][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.323376][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.323694][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.324316][  T327] RIP: 0033:0x7f837e3471e7
[ 21.324741][ T327] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   21.325874][  T327] RSP: 002b:00007ffc5ea44a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.326354][  T327] RAX: ffffffffffffffda RBX: 00007ffc5ea451c0 RCX: 00007f837e3471e7
[   21.326824][  T327] RDX: 0000000000000000 RSI: 00007ffc5ea44b00 RDI: 0000000000000005
[   21.327546][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.328011][  T327] R10: 0000000035abd910 R11: 0000000000000246 R12: 0000000000000004
[   21.328481][  T327] R13: 00000000686e143c R14: 0000000000499600 R15: 0000000000000000
| [   21.886419][  T332] ------------[ cut here ]------------
| [ 21.886725][ T332] WARNING: CPU: 0 PID: 332 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.888873][  T332] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.890119][  T332] Tainted: [W]=WARN
[   21.890366][  T332] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.890749][ T332] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.891066][ T332] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.892174][  T332] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   21.892570][  T332] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   21.893029][  T332] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   21.893498][  T332] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.893954][  T332] R10: ffffc900005b7010 R11: ffffffff968a8918 R12: 1ffff920000b6de2
[   21.894427][  T332] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff88800bc02f08
[   21.894952][  T332] FS:  00007f1eb61c6800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   21.895542][  T332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.895950][  T332] CR2: 00000000004e5de8 CR3: 000000000a7ac006 CR4: 0000000000772ef0
[   21.896443][  T332] PKRU: 55555554
[   21.896686][  T332] Call Trace:
[   21.896926][  T332]  <TASK>
[ 21.897094][ T332] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.897428][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.897758][ T332] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.898084][ T332] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.898524][ T332] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.898856][ T332] netif_set_mtu (net/core/dev.c:9652) 
[ 21.899218][ T332] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.899561][ T332] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.900011][ T332] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.900257][ T332] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.900704][ T332] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.901082][ T332] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.901417][ T332] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.901746][ T332] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.902172][ T332] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.902509][ T332] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.902829][ T332] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.903155][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.903491][ T332] ? __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:113) 
[ 21.903812][ T332] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.904222][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.904557][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.904885][ T332] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.905208][ T332] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.905549][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.905903][ T332] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.906220][ T332] ? __create_object (mm/kmemleak.c:771) 
[ 21.906552][ T332] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.906887][ T332] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.907252][ T332] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.907665][ T332] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.908013][ T332] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.908347][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.908663][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.908997][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.909338][ T332] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.909671][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.910000][ T332] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.910338][ T332] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.910661][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.910989][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.911324][ T332] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.911639][ T332] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.911962][ T332] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.912303][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.912635][ T332] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.912957][ T332] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.913289][ T332] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.913609][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.913932][ T332] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.914252][ T332] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.914637][ T332] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.914976][ T332] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.915311][ T332] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.915629][ T332] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.916038][ T332] ___sys_sendmsg (net/socket.c:2670) 
[ 21.916378][ T332] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.916702][ T332] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.917114][ T332] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.917450][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.917773][ T332] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.918145][ T332] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.918478][ T332] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.918796][ T332] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.919166][ T332] __sys_sendmsg (net/socket.c:2700) 
[ 21.919504][ T332] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.919905][ T332] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.920260][ T332] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.920596][ T332] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.920921][ T332] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.921325][  T332] RIP: 0033:0x7f1eb63931e7
[ 21.921657][ T332] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   21.922802][  T332] RSP: 002b:00007ffe26640978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.923297][  T332] RAX: ffffffffffffffda RBX: 00007ffe266410a0 RCX: 00007f1eb63931e7
[   21.923773][  T332] RDX: 0000000000000000 RSI: 00007ffe266409e0 RDI: 0000000000000005
[   21.924265][  T332] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.924756][  T332] R10: 0000000014781910 R11: 0000000000000246 R12: 0000000000000004
[   21.925258][  T332] R13: 00000000686e143d R14: 0000000000499600 R15: 0000000000000000
| [   22.141193][  T334] ------------[ cut here ]------------
| [ 22.141523][ T334] WARNING: CPU: 0 PID: 334 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.142139][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.144267][  T334] Tainted: [W]=WARN
[   22.144520][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.144899][ T334] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.145215][ T334] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.146350][  T334] RSP: 0018:ffffc90000596ef0 EFLAGS: 00010246
[   22.146759][  T334] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   22.147232][  T334] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   22.147713][  T334] RBP: ffffc90000596fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.148170][  T334] R10: ffffc90000597010 R11: ffffffff968a8918 R12: 1ffff920000b2de2
[   22.148655][  T334] R13: 00000000000005dc R14: ffffc90000597010 R15: ffff88800bc02f08
[   22.149160][  T334] FS:  00007f05fdeba800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   22.149728][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.150113][  T334] CR2: 00000000004e5aa8 CR3: 000000000a7ac002 CR4: 0000000000772ef0
[   22.150589][  T334] PKRU: 55555554
[   22.150824][  T334] Call Trace:
[   22.151061][  T334]  <TASK>
[ 22.151224][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.151551][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.151877][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.152196][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.152589][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.152901][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 22.153209][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.153642][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.154080][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.154319][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.154744][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.155126][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.155461][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.155785][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.156173][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.156505][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.156812][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.157122][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.157454][ T334] ? __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:113) 
[ 22.157773][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.158168][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.158515][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.158828][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.159146][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.159463][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.159769][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.160067][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 22.160381][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.160689][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.160992][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.161390][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.161699][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.162009][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.162321][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.162631][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.162935][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.163240][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.163561][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.163871][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.164173][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.164487][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.164796][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.165100][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.165415][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.165728][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.166036][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.166350][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.166659][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.166960][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.167274][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.167591][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.167895][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.168220][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.168555][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.168866][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.169306][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 22.169619][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.169927][ T334] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.170328][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.170645][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.170952][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.171276][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.171610][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.171926][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.172239][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 22.172569][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.172954][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.173269][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.173588][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.173893][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.174266][  T334] RIP: 0033:0x7f05fe0871e7
[ 22.174588][ T334] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   22.175721][  T334] RSP: 002b:00007fff64d73a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.176185][  T334] RAX: ffffffffffffffda RBX: 00007fff64d74190 RCX: 00007f05fe0871e7
[   22.176656][  T334] RDX: 0000000000000000 RSI: 00007fff64d73ad0 RDI: 0000000000000005
[   22.177110][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.177785][  T334] R10: 0000000030a90910 R11: 0000000000000246 R12: 0000000000000004
[   22.178245][  T334] R13: 00000000686e143d R14: 0000000000499600 R15: 0000000000000000
| [   22.540525][  T337] ------------[ cut here ]------------
| [ 22.540868][ T337] WARNING: CPU: 2 PID: 337 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.541505][  T337] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.542771][  T337] Tainted: [W]=WARN
[   22.543024][  T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.543431][ T337] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.543761][ T337] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.545040][  T337] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   22.545660][  T337] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   22.546318][  T337] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   22.546930][  T337] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.547411][  T337] R10: ffffc90000567010 R11: ffffffff968a8918 R12: 1ffff920000acde2
[   22.547886][  T337] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff88800bc02f08
[   22.548369][  T337] FS:  00007fd2096a3800(0000) GS:ffff88809e7b7000(0000) knlGS:0000000000000000
[   22.548917][  T337] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.549344][  T337] CR2: 00000000004e5ab0 CR3: 000000000baa6002 CR4: 0000000000772ef0
[   22.549822][  T337] PKRU: 55555554
[   22.550071][  T337] Call Trace:
[   22.550323][  T337]  <TASK>
[ 22.550499][ T337] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.550821][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.551153][ T337] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.551482][ T337] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.551878][ T337] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.552215][ T337] netif_set_mtu (net/core/dev.c:9652) 
[ 22.552547][ T337] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.552876][ T337] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.553336][ T337] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.553585][ T337] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.554018][ T337] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.554399][ T337] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.554730][ T337] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.555052][ T337] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.555464][ T337] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.555782][ T337] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.556096][ T337] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.556431][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.556756][ T337] ? __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:113) 
[ 22.557080][ T337] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.557489][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.557809][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.558127][ T337] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.558461][ T337] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.558779][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.559121][ T337] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.559463][ T337] ? __create_object (mm/kmemleak.c:771) 
[ 22.559788][ T337] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.560106][ T337] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.560437][ T337] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.560828][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.561153][ T337] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.561491][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.561809][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.562140][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.562480][ T337] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.562796][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.563118][ T337] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.563449][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.563767][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.564087][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.564437][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.564759][ T337] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.565078][ T337] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.565419][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.565737][ T337] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.566057][ T337] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.566391][ T337] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.566715][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.567039][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.567372][ T337] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.567695][ T337] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.568019][ T337] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.568354][ T337] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.568669][ T337] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.569080][ T337] ___sys_sendmsg (net/socket.c:2670) 
[ 22.569436][ T337] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.569784][ T337] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.570182][ T337] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.570518][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.570843][ T337] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.571166][ T337] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.571495][ T337] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.571821][ T337] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.572149][ T337] __sys_sendmsg (net/socket.c:2700) 
[ 22.572474][ T337] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.572866][ T337] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.573195][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.573527][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.573850][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.574241][  T337] RIP: 0033:0x7fd2098701e7
[ 22.574580][ T337] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   22.575681][  T337] RSP: 002b:00007ffd8e4f09a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.576161][  T337] RAX: ffffffffffffffda RBX: 00007ffd8e4f10d0 RCX: 00007fd2098701e7
[   22.576640][  T337] RDX: 0000000000000000 RSI: 00007ffd8e4f0a10 RDI: 0000000000000005
[   22.577111][  T337] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.577589][  T337] R10: 000000001b31f910 R11: 0000000000000246 R12: 0000000000000004
[   22.578061][  T337] R13: 00000000686e143e R14: 0000000000499600 R15: 0000000000000000
| [   23.197702][  T343] ------------[ cut here ]------------
| [ 23.198017][ T343] WARNING: CPU: 3 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.198628][  T343] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   23.199854][  T343] Tainted: [W]=WARN
[   23.200092][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.200490][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.200836][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.202042][  T343] RSP: 0018:ffffc900006d6ef0 EFLAGS: 00010246
[   23.202447][  T343] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   23.202927][  T343] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   23.203407][  T343] RBP: ffffc900006d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.203883][  T343] R10: ffffc900006d7010 R11: ffffffff968a8918 R12: 1ffff920000dade2
[   23.204353][  T343] R13: 00000000000005dc R14: ffffc900006d7010 R15: ffff88800bc02f08
[   23.204823][  T343] FS:  00007f63a8650800(0000) GS:ffff88809e837000(0000) knlGS:0000000000000000
[   23.205379][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.205768][  T343] CR2: 00000000004e6890 CR3: 000000000f3b0003 CR4: 0000000000772ef0
[   23.206247][  T343] PKRU: 55555554
[   23.206507][  T343] Call Trace:
[   23.206737][  T343]  <TASK>
[ 23.206912][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.207224][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.207548][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.207869][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.208255][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.208580][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.208904][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.209238][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.209690][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.209937][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.210372][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.210730][ T343] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.211072][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.211400][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.211794][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.212118][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.212441][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.212754][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.213082][ T343] ? __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:113) 
[ 23.213402][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.213786][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.214101][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.214421][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.214734][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.215047][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.215362][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.215668][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 23.215999][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.216324][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.216668][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.217066][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.217390][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.217701][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.218020][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.218340][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.218645][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.218976][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.219395][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.219935][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.220271][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.220601][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.220917][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.221240][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.221560][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.221883][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.222203][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.222523][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.222834][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.223155][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.223473][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.223783][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.224105][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.224435][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.224747][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.225074][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.225478][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.225784][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.226101][ T343] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.226507][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.226816][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.227145][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.227469][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.227781][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.228105][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.228443][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.228754][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.229173][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.229501][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.229813][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.230134][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.230530][  T343] RIP: 0033:0x7f63a881d1e7
[ 23.230847][ T343] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   23.231970][  T343] RSP: 002b:00007ffe3217bd88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.232463][  T343] RAX: ffffffffffffffda RBX: 00007ffe3217c4b0 RCX: 00007f63a881d1e7
[   23.232928][  T343] RDX: 0000000000000000 RSI: 00007ffe3217bdf0 RDI: 0000000000000005
[   23.233414][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.233876][  T343] R10: 000000002689f910 R11: 0000000000000246 R12: 0000000000000004
[   23.234363][  T343] R13: 00000000686e143e R14: 0000000000499600 R15: 0000000000000000
| [   32.830448][  T438] ------------[ cut here ]------------
| [ 32.830775][ T438] WARNING: CPU: 3 PID: 438 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   32.831530][  T438] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.832812][  T438] Tainted: [W]=WARN
[   32.833047][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.833438][ T438] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 32.833755][ T438] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   32.834876][  T438] RSP: 0018:ffffc90000a86ef0 EFLAGS: 00010246
[   32.835263][  T438] RAX: 0000000000000000 RBX: ffff888011852000 RCX: 0000000000000001
[   32.835734][  T438] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   32.836188][  T438] RBP: ffffc90000a86fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.836655][  T438] R10: ffffc90000a87010 R11: ffffffff95f79160 R12: 1ffff92000150de2
[   32.837111][  T438] R13: 00000000000005dc R14: ffffc90000a87010 R15: ffff888011852f08
[   32.837579][  T438] FS:  00007f0d191cb800(0000) GS:ffff88809e837000(0000) knlGS:0000000000000000
[   32.838114][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.838505][  T438] CR2: 00000000004e5ce0 CR3: 0000000009640004 CR4: 0000000000772ef0
[   32.838964][  T438] PKRU: 55555554
[   32.839220][  T438] Call Trace:
[   32.839475][  T438]  <TASK>
[ 32.839638][ T438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.839947][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.840262][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.840729][ T438] netif_set_mtu (net/core/dev.c:9652) 
[ 32.841056][ T438] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.841534][ T438] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.841780][ T438] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.842220][ T438] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.842730][ T438] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.843051][ T438] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.843531][ T438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.843927][ T438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.844246][ T438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.844626][ T438] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.844941][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.845258][ T438] ? __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:113) 
[ 32.845572][ T438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.845954][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.846262][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.846588][ T438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.846893][ T438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.847210][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.847547][ T438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.847850][ T438] ? __create_object (mm/kmemleak.c:771) 
[ 32.848158][ T438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.848475][ T438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.848788][ T438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.849191][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.849522][ T438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.849833][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.850147][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.850465][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.850780][ T438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.851084][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.851418][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.851724][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.852032][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.852359][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.852671][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.852976][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.853296][ T438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.853614][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.853923][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 32.854228][ T438] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.854548][ T438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.854851][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.855165][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.855503][ T438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.855813][ T438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.856132][ T438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.856447][ T438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.856751][ T438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.857140][ T438] ___sys_sendmsg (net/socket.c:2670) 
[ 32.857453][ T438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.857758][ T438] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 32.858135][ T438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.858459][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.858769][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.859078][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.859421][ T438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.859728][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.860042][ T438] __sys_sendmsg (net/socket.c:2700) 
[ 32.860355][ T438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.860751][ T438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.861067][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.861388][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.861706][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.862084][  T438] RIP: 0033:0x7f0d193981e7
[ 32.862410][ T438] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   32.863543][  T438] RSP: 002b:00007ffe51b4f0f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.864015][  T438] RAX: ffffffffffffffda RBX: 00007ffe51b4f820 RCX: 00007f0d193981e7
[   32.864478][  T438] RDX: 0000000000000000 RSI: 00007ffe51b4f160 RDI: 0000000000000005
[   32.864944][  T438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.865426][  T438] R10: 000000001633d910 R11: 0000000000000246 R12: 0000000000000004
[   32.865905][  T438] R13: 00000000686e1448 R14: 0000000000499600 R15: 0000000000000000
| [   33.307819][  T442] ------------[ cut here ]------------
| [ 33.308126][ T442] WARNING: CPU: 0 PID: 442 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.308742][  T442] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.310049][  T442] Tainted: [W]=WARN
[   33.310306][  T442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.310688][ T442] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.311011][ T442] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.312102][  T442] RSP: 0018:ffffc90000b16ef0 EFLAGS: 00010246
[   33.312499][  T442] RAX: 0000000000000000 RBX: ffff888011852000 RCX: 0000000000000001
[   33.312961][  T442] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   33.313426][  T442] RBP: ffffc90000b16fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.313882][  T442] R10: ffffc90000b17010 R11: ffffffff968a8918 R12: 1ffff92000162de2
[   33.314357][  T442] R13: 00000000000005dc R14: ffffc90000b17010 R15: ffff888011852f08
[   33.314822][  T442] FS:  00007f8469192800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   33.315372][  T442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.315756][  T442] CR2: 00000000004e5de8 CR3: 00000000111ba006 CR4: 0000000000772ef0
[   33.316214][  T442] PKRU: 55555554
[   33.316456][  T442] Call Trace:
[   33.316687][  T442]  <TASK>
[ 33.316848][ T442] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.317166][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.317492][ T442] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.317801][ T442] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.318183][ T442] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.318513][ T442] netif_set_mtu (net/core/dev.c:9652) 
[ 33.318830][ T442] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.319152][ T442] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.319602][ T442] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.319836][ T442] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.320258][ T442] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.320624][ T442] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.320937][ T442] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.321246][ T442] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.321648][ T442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.321963][ T442] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.322272][ T442] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.322608][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.322930][ T442] ? __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:113) 
[ 33.323236][ T442] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.323626][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.323940][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.324253][ T442] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.324567][ T442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.324874][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.325180][ T442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.325493][ T442] ? __create_object (mm/kmemleak.c:771) 
[ 33.325802][ T442] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.326110][ T442] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.326459][ T442] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.326839][ T442] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.327151][ T442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.327468][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.327777][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.328088][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.328401][ T442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.328704][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.329013][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.329345][ T442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.329658][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.329965][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.330301][ T442] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.330610][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.330916][ T442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.331235][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.331549][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.331855][ T442] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.332161][ T442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.332473][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.332783][ T442] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.333090][ T442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.333408][ T442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.333721][ T442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.334032][ T442] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.334356][ T442] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.334750][ T442] ___sys_sendmsg (net/socket.c:2670) 
[ 33.335052][ T442] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.335395][ T442] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.335789][ T442] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.336106][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.336426][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.336740][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.337044][ T442] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.337359][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.337674][ T442] __sys_sendmsg (net/socket.c:2700) 
[ 33.337978][ T442] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.338378][ T442] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.338696][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.339002][ T442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.339330][ T442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.339725][  T442] RIP: 0033:0x7f846935f1e7
[ 33.340041][ T442] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   33.341151][  T442] RSP: 002b:00007fff4caf6ad8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.341621][  T442] RAX: ffffffffffffffda RBX: 00007fff4caf7200 RCX: 00007f846935f1e7
[   33.342079][  T442] RDX: 0000000000000000 RSI: 00007fff4caf6b40 RDI: 0000000000000005
[   33.342560][  T442] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.343028][  T442] R10: 0000000013845910 R11: 0000000000000246 R12: 0000000000000004
[   33.343497][  T442] R13: 00000000686e1448 R14: 0000000000499600 R15: 0000000000000000
| [   33.914932][  T446] ------------[ cut here ]------------
| [ 33.915278][ T446] WARNING: CPU: 0 PID: 446 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.915935][  T446] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.917273][  T446] Tainted: [W]=WARN
[   33.917525][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.917928][ T446] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.918258][ T446] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.919452][  T446] RSP: 0018:ffffc90000bc6ef0 EFLAGS: 00010246
[   33.919862][  T446] RAX: 0000000000000000 RBX: ffff888011852000 RCX: 0000000000000001
[   33.920354][  T446] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   33.920837][  T446] RBP: ffffc90000bc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.921335][  T446] R10: ffffc90000bc7010 R11: ffffffff968a8918 R12: 1ffff92000178de2
[   33.921820][  T446] R13: 00000000000005dc R14: ffffc90000bc7010 R15: ffff888011852f08
[   33.922313][  T446] FS:  00007f51146d5800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   33.922877][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.923287][  T446] CR2: 00000000004e6890 CR3: 000000000dc67005 CR4: 0000000000772ef0
[   33.923785][  T446] PKRU: 55555554
[   33.924032][  T446] Call Trace:
[   33.924291][  T446]  <TASK>
[ 33.924463][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.924792][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.925128][ T446] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.925465][ T446] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.925886][ T446] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.926216][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 33.926557][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.926895][ T446] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.927367][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.927619][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.928070][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.928464][ T446] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.928807][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.929152][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.929581][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.929911][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.930238][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.930589][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.930924][ T446] ? __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:113) 
[ 33.931252][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.931685][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.932016][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.932350][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.932673][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.932998][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.933339][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.933668][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 33.933997][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.934339][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.934667][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.935077][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.935424][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.935765][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.936088][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.936427][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.936749][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.937069][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.937405][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.937735][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.938062][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.938408][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.938741][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.939063][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.939415][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.939754][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.940079][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.940423][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.940764][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.941096][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.941443][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.941773][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.942119][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.942449][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.942760][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.943070][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.943474][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 33.943826][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.944157][ T446] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.944580][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.944914][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.945245][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.945596][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.945925][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.946256][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.946606][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 33.946934][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.947350][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.947693][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.948026][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.948370][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.948777][  T446] RIP: 0033:0x7f51148a21e7
[ 33.949138][ T446] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   33.950317][  T446] RSP: 002b:00007ffd0c2ac848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.950816][  T446] RAX: ffffffffffffffda RBX: 00007ffd0c2acf70 RCX: 00007f51148a21e7
[   33.951321][  T446] RDX: 0000000000000000 RSI: 00007ffd0c2ac8b0 RDI: 0000000000000005
[   33.951815][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.952316][  T446] R10: 00000000232e6910 R11: 0000000000000246 R12: 0000000000000004
[   33.952813][  T446] R13: 00000000686e1449 R14: 0000000000499600 R15: 0000000000000000
| [   34.206724][  T448] ------------[ cut here ]------------
| [ 34.207058][ T448] WARNING: CPU: 0 PID: 448 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.207711][  T448] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.209028][  T448] Tainted: [W]=WARN
[   34.209296][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.209700][ T448] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.210028][ T448] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.211193][  T448] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   34.211607][  T448] RAX: 0000000000000000 RBX: ffff888011852000 RCX: 0000000000000001
[   34.212091][  T448] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   34.212588][  T448] RBP: ffffc90000bd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.213073][  T448] R10: ffffc90000bd7010 R11: ffffffff968a8918 R12: 1ffff9200017ade2
[   34.213561][  T448] R13: 00000000000005dc R14: ffffc90000bd7010 R15: ffff888011852f08
[   34.214063][  T448] FS:  00007f9424184800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   34.214612][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.215001][  T448] CR2: 00000000004e6890 CR3: 000000000b510002 CR4: 0000000000772ef0
[   34.215468][  T448] PKRU: 55555554
[   34.215698][  T448] Call Trace:
[   34.215927][  T448]  <TASK>
[ 34.216085][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.216397][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.216708][ T448] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.217021][ T448] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.217422][ T448] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.217727][ T448] netif_set_mtu (net/core/dev.c:9652) 
[ 34.218032][ T448] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.218354][ T448] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.218816][ T448] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.219047][ T448] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.219519][ T448] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.219875][ T448] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.220184][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.220503][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.220915][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.221223][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.221540][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.221877][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.222184][ T448] ? __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:113) 
[ 34.222499][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.222877][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.223209][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.223521][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.223829][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.224131][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.224441][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.224741][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 34.225050][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.225368][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.225675][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.226049][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.226369][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.226678][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.226980][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.227298][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.227604][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.227904][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.228209][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.228519][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.228828][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.229147][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.229466][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.229772][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.230078][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.230401][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.230703][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.231017][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.231334][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.231639][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.231950][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.232257][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.232570][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.232882][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.233196][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.233507][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.233897][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 34.234197][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.234509][ T448] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.234915][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.235225][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.235554][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.235863][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.236174][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.236490][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.236803][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 34.237107][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.237491][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.237815][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.238193][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.238506][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.238884][  T448] RIP: 0033:0x7f94243511e7
[ 34.239247][ T448] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   34.240385][  T448] RSP: 002b:00007ffc57147df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.240939][  T448] RAX: ffffffffffffffda RBX: 00007ffc57148520 RCX: 00007f94243511e7
[   34.241401][  T448] RDX: 0000000000000000 RSI: 00007ffc57147e60 RDI: 0000000000000005
[   34.241854][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.242319][  T448] R10: 000000003c779910 R11: 0000000000000246 R12: 0000000000000004
[   34.242778][  T448] R13: 00000000686e1449 R14: 0000000000499600 R15: 0000000000000000
| [   34.613594][  T451] ------------[ cut here ]------------
| [ 34.613911][ T451] WARNING: CPU: 0 PID: 451 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.614526][  T451] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.615789][  T451] Tainted: [W]=WARN
[   34.616055][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.616451][ T451] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.616763][ T451] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.617872][  T451] RSP: 0018:ffffc90000c26ef0 EFLAGS: 00010246
[   34.618264][  T451] RAX: 0000000000000000 RBX: ffff888011852000 RCX: 0000000000000001
[   34.618738][  T451] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   34.619220][  T451] RBP: ffffc90000c26fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.619694][  T451] R10: ffffc90000c27010 R11: ffffffff95f79160 R12: 1ffff92000184de2
[   34.620152][  T451] R13: 00000000000005dc R14: ffffc90000c27010 R15: ffff888011852f08
[   34.620641][  T451] FS:  00007f8a36d91800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   34.621172][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.621564][  T451] CR2: 00000000004e6890 CR3: 000000000dc1d002 CR4: 0000000000772ef0
[   34.622052][  T451] PKRU: 55555554
[   34.622291][  T451] Call Trace:
[   34.622518][  T451]  <TASK>
[ 34.622681][ T451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.622999][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.623334][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.623645][ T451] netif_set_mtu (net/core/dev.c:9652) 
[ 34.623957][ T451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.624292][ T451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.624528][ T451] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.624961][ T451] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.625324][ T451] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.625636][ T451] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.625948][ T451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.626351][ T451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.626654][ T451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.626972][ T451] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.627302][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.627613][ T451] ? __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:113) 
[ 34.627917][ T451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.628311][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.628618][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.628920][ T451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.629242][ T451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.629556][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.629865][ T451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.630167][ T451] ? __create_object (mm/kmemleak.c:771) 
[ 34.630483][ T451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.630793][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.631097][ T451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.631491][ T451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.631810][ T451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.632121][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.632435][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.632748][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.633080][ T451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.633390][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.633698][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.634002][ T451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.634327][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.634669][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.634980][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.635309][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.635619][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.635938][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.636243][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.636567][ T451] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.636878][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.637186][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.637515][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.637834][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.638141][ T451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.638465][ T451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.638784][ T451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.639089][ T451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.639498][ T451] ___sys_sendmsg (net/socket.c:2670) 
[ 34.639807][ T451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.640114][ T451] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.640517][ T451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.640831][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.641149][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.641473][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.641778][ T451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.642081][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.642403][ T451] __sys_sendmsg (net/socket.c:2700) 
[ 34.642705][ T451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.643083][ T451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.643416][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.643726][ T451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.644036][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.644424][  T451] RIP: 0033:0x7f8a36f5e1e7
[ 34.644745][ T451] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   34.645874][  T451] RSP: 002b:00007fff7c932d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.646368][  T451] RAX: ffffffffffffffda RBX: 00007fff7c9334a0 RCX: 00007f8a36f5e1e7
[   34.646823][  T451] RDX: 0000000000000000 RSI: 00007fff7c932de0 RDI: 0000000000000005
[   34.647276][  T451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.647763][  T451] R10: 0000000034a83910 R11: 0000000000000246 R12: 0000000000000004
[   34.648219][  T451] R13: 00000000686e144a R14: 0000000000499600 R15: 0000000000000000
| [   61.689532][  T657] ------------[ cut here ]------------
| [ 61.689939][ T657] WARNING: CPU: 3 PID: 657 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   61.691814][  T657] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   61.693859][  T657] Tainted: [W]=WARN
[   61.694271][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.694812][ T657] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 61.695352][ T657] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   61.697305][  T657] RSP: 0018:ffffc90001266f70 EFLAGS: 00010246
[   61.697992][  T657] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   61.698824][  T657] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   61.699604][  T657] RBP: ffffc90001267058 R08: 0000000000000000 R09: 0000000000000000
[   61.700335][  T657] R10: ffffc90001267088 R11: ffffffff91e00130 R12: 1ffff9200024cdf2
[   61.701147][  T657] R13: 00000000000005dc R14: ffffc90001267088 R15: ffff88800bc02f08
[   61.701977][  T657] FS:  00007f08ad72a800(0000) GS:ffff88809e837000(0000) knlGS:0000000000000000
[   61.702932][  T657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.703624][  T657] CR2: 00000000004e5ab0 CR3: 000000000f032004 CR4: 0000000000772ef0
[   61.704342][  T657] PKRU: 55555554
[   61.704738][  T657] Call Trace:
[   61.705141][  T657]  <TASK>
[ 61.705462][ T657] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 61.706144][ T657] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.706681][ T657] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.707181][ T657] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.707732][ T657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.708267][ T657] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.708830][ T657] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.709416][ T657] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.709972][ T657] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.710517][ T657] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.711057][ T657] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.711602][ T657] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.712267][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.712732][ T657] netif_set_mtu (net/core/dev.c:9652) 
[ 61.713213][ T657] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.713797][ T657] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.714204][ T657] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.714814][ T657] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.715414][ T657] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.715957][ T657] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.716517][ T657] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.717071][ T657] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.717781][ T657] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.718168][ T657] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.718674][ T657] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.719117][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.719661][ T657] ? __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:113) 
[ 61.720093][ T657] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.720734][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.721307][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.721742][ T657] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.722236][ T657] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.722801][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.723350][ T657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.723898][ T657] ? __create_object (mm/kmemleak.c:771) 
[ 61.724448][ T657] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.724991][ T657] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.725537][ T657] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.726204][ T657] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.726772][ T657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.727335][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.727874][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.728437][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.728904][ T657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.729362][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.729904][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.730451][ T657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.730993][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.731550][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.732115][ T657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.732665][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.733206][ T657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.733780][ T657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.734329][ T657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 61.734876][ T657] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.735431][ T657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.735976][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.736514][ T657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.736914][ T657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.737431][ T657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.737985][ T657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.738536][ T657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.739072][ T657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.739800][ T657] ___sys_sendmsg (net/socket.c:2670) 
[ 61.740344][ T657] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.740881][ T657] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 61.741544][ T657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.741934][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.742457][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.743012][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.743573][ T657] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.744107][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.744676][ T657] __sys_sendmsg (net/socket.c:2700) 
[ 61.745212][ T657] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.745890][ T657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.746487][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.746890][ T657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.747412][ T657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.748093][  T657] RIP: 0033:0x7f08ad8f71e7
[ 61.748664][ T657] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   61.750434][  T657] RSP: 002b:00007ffc79cb2728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.751258][  T657] RAX: ffffffffffffffda RBX: 00007ffc79cb2e50 RCX: 00007f08ad8f71e7
[   61.751927][  T657] RDX: 0000000000000000 RSI: 00007ffc79cb2790 RDI: 0000000000000005
[   61.752729][  T657] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.753550][  T657] R10: 00007f08ad7f4ee8 R11: 0000000000000246 R12: 0000000000000003
[   61.754380][  T657] R13: 00000000686e1465 R14: 0000000000499600 R15: 0000000000000000
| [   62.160628][  T660] ------------[ cut here ]------------
| [ 62.161044][ T660] WARNING: CPU: 3 PID: 660 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.162398][  T660] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.164505][  T660] Tainted: [W]=WARN
[   62.164927][  T660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.165631][ T660] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.166198][ T660] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.168143][  T660] RSP: 0018:ffffc90001296f70 EFLAGS: 00010246
[   62.168844][  T660] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   62.169683][  T660] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   62.170527][  T660] RBP: ffffc90001297058 R08: 0000000000000000 R09: 0000000000000000
[   62.171365][  T660] R10: ffffc90001297088 R11: ffffffff95f79160 R12: 1ffff92000252df2
[   62.172173][  T660] R13: 00000000000005dc R14: ffffc90001297088 R15: ffff88800bc02f08
[   62.172997][  T660] FS:  00007fb1573fa800(0000) GS:ffff88809e837000(0000) knlGS:0000000000000000
[   62.173925][  T660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.174483][  T660] CR2: 00000000004e5aa8 CR3: 000000000efa7002 CR4: 0000000000772ef0
[   62.175318][  T660] PKRU: 55555554
[   62.175729][  T660] Call Trace:
[   62.176131][  T660]  <TASK>
[ 62.176418][ T660] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.177088][ T660] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.177733][ T660] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.178274][ T660] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.178847][ T660] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.179413][ T660] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.179951][ T660] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.180496][ T660] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.181030][ T660] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.181603][ T660] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.182140][ T660] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.182735][ T660] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.183264][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.183841][ T660] netif_set_mtu (net/core/dev.c:9652) 
[ 62.184411][ T660] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.185033][ T660] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.185468][ T660] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.186098][ T660] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.186694][ T660] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.187249][ T660] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.187835][ T660] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.188415][ T660] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.189124][ T660] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.189705][ T660] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.190242][ T660] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.190692][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.191233][ T660] ? __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:113) 
[ 62.191684][ T660] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.192330][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.192894][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.193455][ T660] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.194012][ T660] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.194589][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.195150][ T660] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.195722][ T660] ? __create_object (mm/kmemleak.c:771) 
[ 62.196297][ T660] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.196855][ T660] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.197423][ T660] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.198113][ T660] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.198699][ T660] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.199219][ T660] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.199642][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.200196][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.200767][ T660] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.201337][ T660] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.201900][ T660] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.202475][ T660] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.203039][ T660] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.203617][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.204196][ T660] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.204762][ T660] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.205342][ T660] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.205790][ T660] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.206300][ T660] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.206861][ T660] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.207437][ T660] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.207999][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.208578][ T660] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.209148][ T660] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.209720][ T660] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.210305][ T660] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.210861][ T660] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.211333][ T660] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.211991][ T660] ___sys_sendmsg (net/socket.c:2670) 
[ 62.212556][ T660] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.213110][ T660] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.213816][ T660] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.214396][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.214961][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.215540][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.216099][ T660] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.216669][ T660] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.217239][ T660] __sys_sendmsg (net/socket.c:2700) 
[ 62.217801][ T660] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.218512][ T660] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.219091][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.219673][ T660] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.220230][ T660] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.220939][  T660] RIP: 0033:0x7fb1575c71e7
[ 62.221525][ T660] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   62.223511][  T660] RSP: 002b:00007ffd79b68238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.224231][  T660] RAX: ffffffffffffffda RBX: 00007ffd79b68960 RCX: 00007fb1575c71e7
[   62.225046][  T660] RDX: 0000000000000000 RSI: 00007ffd79b682a0 RDI: 0000000000000005
[   62.225880][  T660] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.226716][  T660] R10: 00007fb1574c4ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.227554][  T660] R13: 00000000686e1465 R14: 0000000000499600 R15: 0000000000000000
| [   62.489443][  T662] ------------[ cut here ]------------
| [ 62.489850][ T662] WARNING: CPU: 3 PID: 662 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.490782][  T662] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.493121][  T662] Tainted: [W]=WARN
[   62.493432][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.494048][ T662] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.494635][ T662] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.496614][  T662] RSP: 0018:ffffc900012b6f70 EFLAGS: 00010246
[   62.497322][  T662] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   62.498132][  T662] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   62.498839][  T662] RBP: ffffc900012b7058 R08: 0000000000000000 R09: 0000000000000000
[   62.499644][  T662] R10: ffffc900012b7088 R11: ffffffff95f79160 R12: 1ffff92000256df2
[   62.500490][  T662] R13: 00000000000005dc R14: ffffc900012b7088 R15: ffff88800bc02f08
[   62.501320][  T662] FS:  00007ff729e70800(0000) GS:ffff88809e837000(0000) knlGS:0000000000000000
[   62.502124][  T662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.502799][  T662] CR2: 00000000004e6100 CR3: 000000000efa7005 CR4: 0000000000772ef0
[   62.503626][  T662] PKRU: 55555554
[   62.504032][  T662] Call Trace:
[   62.504469][  T662]  <TASK>
[ 62.504746][ T662] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.505432][ T662] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.506028][ T662] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.506603][ T662] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.507140][ T662] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.507703][ T662] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.508249][ T662] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.508819][ T662] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.509380][ T662] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.509922][ T662] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.510474][ T662] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.511023][ T662] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.511720][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.512143][ T662] netif_set_mtu (net/core/dev.c:9652) 
[ 62.512685][ T662] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.513259][ T662] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.513686][ T662] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.514429][ T662] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.514930][ T662] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.515456][ T662] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.516007][ T662] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.516585][ T662] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.517273][ T662] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.517829][ T662] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.518375][ T662] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.518927][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.519496][ T662] ? __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:113) 
[ 62.520039][ T662] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.520746][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.521308][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.521844][ T662] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.522398][ T662] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.522939][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.523496][ T662] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.524037][ T662] ? __create_object (mm/kmemleak.c:771) 
[ 62.524608][ T662] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.525150][ T662] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.525711][ T662] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.526415][ T662] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.526983][ T662] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.527554][ T662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.528092][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.528673][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.529226][ T662] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.529780][ T662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.530340][ T662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.530832][ T662] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.531300][ T662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.531854][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.532442][ T662] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.532982][ T662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.533541][ T662] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.534118][ T662] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.534667][ T662] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.535212][ T662] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.535780][ T662] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.536355][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.536913][ T662] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.537478][ T662] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.538021][ T662] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.538593][ T662] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.539146][ T662] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.539712][ T662] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.540442][ T662] ___sys_sendmsg (net/socket.c:2670) 
[ 62.540977][ T662] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.541526][ T662] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.542196][ T662] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.542761][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.543324][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.543887][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.544461][ T662] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.545000][ T662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.545567][ T662] __sys_sendmsg (net/socket.c:2700) 
[ 62.546107][ T662] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.546792][ T662] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.547372][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.547918][ T662] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.548485][ T662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.549157][  T662] RIP: 0033:0x7ff72a03d1e7
[ 62.549698][ T662] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   62.551644][  T662] RSP: 002b:00007fffafbb26d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.552500][  T662] RAX: ffffffffffffffda RBX: 00007fffafbb2e00 RCX: 00007ff72a03d1e7
[   62.553325][  T662] RDX: 0000000000000000 RSI: 00007fffafbb2740 RDI: 0000000000000005
[   62.554133][  T662] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.554961][  T662] R10: 00007ff729f3aee8 R11: 0000000000000246 R12: 0000000000000003
[   62.555792][  T662] R13: 00000000686e1466 R14: 0000000000499600 R15: 0000000000000000
| [   63.102490][  T666] ------------[ cut here ]------------
| [ 63.103025][ T666] WARNING: CPU: 0 PID: 666 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   63.103827][  T666] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.105541][  T666] Tainted: [W]=WARN
[   63.105870][  T666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.106361][ T666] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 63.106806][ T666] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   63.108238][  T666] RSP: 0018:ffffc900012e6f70 EFLAGS: 00010246
[   63.108821][  T666] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   63.109446][  T666] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   63.110035][  T666] RBP: ffffc900012e7058 R08: 0000000000000000 R09: 0000000000000000
[   63.110624][  T666] R10: ffffc900012e7088 R11: ffffffff95f79160 R12: 1ffff9200025cdf2
[   63.111251][  T666] R13: 00000000000005dc R14: ffffc900012e7088 R15: ffff88800bc02f08
[   63.111857][  T666] FS:  00007fc60ff56800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   63.112529][  T666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.113010][  T666] CR2: 00000000004e5de8 CR3: 000000000e686001 CR4: 0000000000772ef0
[   63.113567][  T666] PKRU: 55555554
[   63.113838][  T666] Call Trace:
[   63.114115][  T666]  <TASK>
[ 63.114316][ T666] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.114788][ T666] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.115199][ T666] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.115582][ T666] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.115961][ T666] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.116417][ T666] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.116871][ T666] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.117245][ T666] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.117662][ T666] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.118075][ T666] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.118495][ T666] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.118927][ T666] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.119459][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.119874][ T666] netif_set_mtu (net/core/dev.c:9652) 
[ 63.120322][ T666] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.120783][ T666] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.121100][ T666] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.121681][ T666] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.122158][ T666] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.122597][ T666] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.123036][ T666] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.123456][ T666] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.123976][ T666] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.124411][ T666] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.124798][ T666] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.125169][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.125570][ T666] ? __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:113) 
[ 63.125941][ T666] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.126403][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.126794][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.127168][ T666] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.127565][ T666] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.127960][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.128371][ T666] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.128754][ T666] ? __create_object (mm/kmemleak.c:771) 
[ 63.129160][ T666] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.129545][ T666] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.129920][ T666] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.130382][ T666] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.130760][ T666] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.131120][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.131517][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.131891][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.132253][ T666] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.132632][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.133011][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.133381][ T666] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.133755][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.134124][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.134522][ T666] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.134892][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.135261][ T666] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.135656][ T666] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.136016][ T666] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 63.136397][ T666] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.136772][ T666] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.137138][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.137521][ T666] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.137899][ T666] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.138263][ T666] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.138645][ T666] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.139043][ T666] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.139469][ T666] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.140010][ T666] ___sys_sendmsg (net/socket.c:2670) 
[ 63.140396][ T666] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.140812][ T666] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.141293][ T666] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.141671][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.142036][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.142428][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.142810][ T666] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.143194][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.143622][ T666] __sys_sendmsg (net/socket.c:2700) 
[ 63.143994][ T666] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.144524][ T666] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.144945][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.145332][ T666] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.145743][ T666] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.146201][  T666] RIP: 0033:0x7fc6101231e7
[ 63.146589][ T666] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   63.147881][  T666] RSP: 002b:00007ffec4889f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.148465][  T666] RAX: ffffffffffffffda RBX: 00007ffec488a660 RCX: 00007fc6101231e7
[   63.149033][  T666] RDX: 0000000000000000 RSI: 00007ffec4889fa0 RDI: 0000000000000005
[   63.149658][  T666] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.150216][  T666] R10: 00007fc610020ee8 R11: 0000000000000246 R12: 0000000000000003
[   63.150866][  T666] R13: 00000000686e1466 R14: 0000000000499600 R15: 0000000000000000
| [   63.787753][  T670] ------------[ cut here ]------------
| [ 63.788106][ T670] WARNING: CPU: 0 PID: 670 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   63.790468][  T670] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.792118][  T670] Tainted: [W]=WARN
[   63.792610][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.793038][ T670] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 63.793606][ T670] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   63.795131][  T670] RSP: 0018:ffffc90001306f70 EFLAGS: 00010246
[   63.795877][  T670] RAX: 0000000000000000 RBX: ffff88800bc02000 RCX: 0000000000000001
[   63.796657][  T670] RDX: 0000000000000000 RSI: ffffffff95a9b941 RDI: ffffffff952555e0
[   63.797172][  T670] RBP: ffffc90001307058 R08: 0000000000000000 R09: 0000000000000000
[   63.797958][  T670] R10: ffffc90001307088 R11: ffffffff95f79160 R12: 1ffff92000260df2
[   63.798800][  T670] R13: 00000000000005dc R14: ffffc90001307088 R15: ffff88800bc02f08
[   63.799578][  T670] FS:  00007fcac0301800(0000) GS:ffff88809e6b7000(0000) knlGS:0000000000000000
[   63.800189][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.800818][  T670] CR2: 00000000004e5ce0 CR3: 000000000e4d4001 CR4: 0000000000772ef0
[   63.801667][  T670] PKRU: 55555554
[   63.801936][  T670] Call Trace:
[   63.802196][  T670]  <TASK>
[ 63.802629][ T670] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.803048][ T670] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.803640][ T670] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.803994][ T670] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.804652][ T670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.804995][ T670] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.805630][ T670] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.805982][ T670] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.806595][ T670] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.806952][ T670] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.807592][ T670] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.807942][ T670] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.808680][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.809019][ T670] netif_set_mtu (net/core/dev.c:9652) 
[ 63.809658][ T670] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.810031][ T670] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.810602][ T670] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.811080][ T670] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.811698][ T670] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.812053][ T670] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.812655][ T670] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.813005][ T670] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.813717][ T670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.814055][ T670] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.814664][ T670] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.815012][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.815569][ T670] ? __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:113) 
[ 63.815919][ T670] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.816698][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.817035][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.817617][ T670] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.817950][ T670] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.818508][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.818853][ T670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.819203][ T670] ? __create_object (mm/kmemleak.c:771) 
[ 63.819795][ T670] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.820128][ T670] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.820691][ T670] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.821095][ T670] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.821653][ T670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.822033][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.822550][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.822921][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.823276][ T670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.823810][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.824162][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.824704][ T670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.825035][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.825539][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.825897][ T670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.826228][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.826742][ T670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.827084][ T670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.827618][ T670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 63.827954][ T670] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.828529][ T670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.828835][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.829178][ T670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.829857][ T670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.830249][ T670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.830875][ T670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.831220][ T670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.831806][ T670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.832254][ T670] ___sys_sendmsg (net/socket.c:2670) 
[ 63.832788][ T670] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.833097][ T670] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.833708][ T670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.834023][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.834562][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.834928][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.835992][ T670] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.836834][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.837175][ T670] __sys_sendmsg (net/socket.c:2700) 
[ 63.837894][ T670] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.838714][ T670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.839068][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.839823][ T670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.840144][ T670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.840889][  T670] RIP: 0033:0x7fcac04ce1e7
[ 63.841259][ T670] Code: 0e 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:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   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)
[   63.842935][  T670] RSP: 002b:00007fff93199b48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.843797][  T670] RAX: ffffffffffffffda RBX: 00007fff9319a270 RCX: 00007fcac04ce1e7
[   63.844802][  T670] RDX: 0000000000000000 RSI: 00007fff93199bb0 RDI: 0000000000000005
[   63.845808][  T670] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.846845][  T670] R10: 00007fcac03cbee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if