======================================
| [  462.619226][ T2081] br1: port 1(vx1) entered forwarding state
| [  462.620490][ T2081] ------------[ cut here ]------------
| [ 462.620803][ T2081] WARNING: CPU: 3 PID: 2081 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) 
| [  462.621443][ T2081] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[  462.623601][ T2081] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 462.623999][ T2081] 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) 
[ 462.624339][ T2081] 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
[  462.625431][ T2081] RSP: 0018:ffffc900004c6ef0 EFLAGS: 00010246
[  462.625834][ T2081] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  462.626344][ T2081] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  462.626948][ T2081] RBP: ffffc900004c6fe0 R08: 0000000000000000 R09: 0000000000000000
[  462.627423][ T2081] R10: ffffc900004c7010 R11: ffffffff8baa8918 R12: 1ffff92000098de2
[  462.627906][ T2081] R13: 00000000000005dc R14: ffffc900004c7010 R15: ffff88800ba12f08
[  462.628375][ T2081] FS:  00007fcaf83b6800(0000) GS:ffff8880a9637000(0000) knlGS:0000000000000000
[  462.628941][ T2081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.629333][ T2081] CR2: 00000000004e5760 CR3: 000000000be3f004 CR4: 0000000000772ef0
[  462.629800][ T2081] PKRU: 55555554
[  462.630086][ T2081] Call Trace:
[  462.630325][ T2081]  <TASK>
[ 462.630488][ T2081] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 462.630798][ T2081] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.631122][ T2081] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 462.631430][ T2081] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 462.631813][ T2081] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 462.632130][ T2081] netif_set_mtu (net/core/dev.c:9652) 
[ 462.632452][ T2081] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 462.632774][ T2081] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 462.633211][ T2081] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 462.633446][ T2081] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 462.633878][ T2081] br_add_if (net/bridge/br_if.c:697) bridge 
[ 462.634269][ T2081] do_set_master (net/core/rtnetlink.c:2948) 
[ 462.634590][ T2081] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.634907][ T2081] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 462.635298][ T2081] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 462.635603][ T2081] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 462.635915][ T2081] ? __kernel_text_address (kernel/extable.c:79) 
[ 462.636224][ T2081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.636537][ T2081] ? __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) 
[ 462.636844][ T2081] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 462.637232][ T2081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.637544][ T2081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.637858][ T2081] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 462.638199][ T2081] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 462.638508][ T2081] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.638820][ T2081] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 462.639129][ T2081] ? __create_object (mm/kmemleak.c:771) 
[ 462.639436][ T2081] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 462.639743][ T2081] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 462.640055][ T2081] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 462.640433][ T2081] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 462.640743][ T2081] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 462.641062][ T2081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.641373][ T2081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.641689][ T2081] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.642034][ T2081] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 462.642348][ T2081] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.642671][ T2081] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.642984][ T2081] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 462.643299][ T2081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.643614][ T2081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.643936][ T2081] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 462.644241][ T2081] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.644548][ T2081] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 462.644873][ T2081] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 462.645178][ T2081] ? 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) 
[ 462.645484][ T2081] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.645796][ T2081] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 462.646138][ T2081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.646449][ T2081] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.646758][ T2081] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 462.647071][ T2081] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 462.647391][ T2081] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.647712][ T2081] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 462.648029][ T2081] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 462.648426][ T2081] ___sys_sendmsg (net/socket.c:2670) 
[ 462.648726][ T2081] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 462.649041][ T2081] ? __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) 
[ 462.649426][ T2081] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 462.649733][ T2081] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.650085][ T2081] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.650402][ T2081] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.650713][ T2081] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 462.651024][ T2081] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.651338][ T2081] __sys_sendmsg (net/socket.c:2700) 
[ 462.651638][ T2081] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 462.652023][ T2081] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 462.652340][ T2081] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.652645][ T2081] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.652963][ T2081] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.653344][ T2081] RIP: 0033:0x7fcaf85831e7
[ 462.653667][ T2081] 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)
[  462.654796][ T2081] RSP: 002b:00007ffdf8816798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.655293][ T2081] RAX: ffffffffffffffda RBX: 00007ffdf8816ec0 RCX: 00007fcaf85831e7
[  462.655760][ T2081] RDX: 0000000000000000 RSI: 00007ffdf8816800 RDI: 0000000000000005
[  462.656458][ T2081] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  462.656924][ T2081] R10: 000000003ddb5910 R11: 0000000000000246 R12: 0000000000000004
[  462.657692][ T2081] R13: 00000000686e0dd8 R14: 0000000000499600 R15: 0000000000000000
| [  462.794349][ T2082] ------------[ cut here ]------------
| [ 462.794688][ T2082] WARNING: CPU: 2 PID: 2082 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) 
| [  462.795376][ T2082] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  462.796626][ T2082] Tainted: [W]=WARN
[  462.796883][ T2082] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 462.797278][ T2082] 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) 
[ 462.797628][ T2082] 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
[  462.798746][ T2082] RSP: 0018:ffffc900004c6ef0 EFLAGS: 00010246
[  462.799170][ T2082] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  462.799644][ T2082] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  462.800153][ T2082] RBP: ffffc900004c6fe0 R08: 0000000000000000 R09: 0000000000000000
[  462.800621][ T2082] R10: ffffc900004c7010 R11: ffffffff8baa8918 R12: 1ffff92000098de2
[  462.801348][ T2082] R13: 00000000000005dc R14: ffffc900004c7010 R15: ffff88800ba12f08
[  462.801825][ T2082] FS:  00007fb9ff142800(0000) GS:ffff8880a95b7000(0000) knlGS:0000000000000000
[  462.802393][ T2082] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  462.802793][ T2082] CR2: 00000000004e5aa8 CR3: 000000000e6e9006 CR4: 0000000000772ef0
[  462.803288][ T2082] PKRU: 55555554
[  462.803534][ T2082] Call Trace:
[  462.803794][ T2082]  <TASK>
[ 462.803977][ T2082] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 462.804308][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.804645][ T2082] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 462.804982][ T2082] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 462.805381][ T2082] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 462.805701][ T2082] netif_set_mtu (net/core/dev.c:9652) 
[ 462.806030][ T2082] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 462.806364][ T2082] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 462.806809][ T2082] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 462.807077][ T2082] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 462.807512][ T2082] br_add_if (net/bridge/br_if.c:697) bridge 
[ 462.807908][ T2082] do_set_master (net/core/rtnetlink.c:2948) 
[ 462.808241][ T2082] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 462.808567][ T2082] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 462.808988][ T2082] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 462.809318][ T2082] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 462.809637][ T2082] ? __kernel_text_address (kernel/extable.c:79) 
[ 462.809974][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.810301][ T2082] ? __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) 
[ 462.810621][ T2082] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 462.811036][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.811362][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.811681][ T2082] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 462.812012][ T2082] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 462.812328][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.812645][ T2082] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 462.812973][ T2082] ? __create_object (mm/kmemleak.c:771) 
[ 462.813303][ T2082] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 462.813628][ T2082] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 462.813960][ T2082] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 462.814360][ T2082] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 462.814688][ T2082] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 462.815035][ T2082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.815353][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.815677][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.816008][ T2082] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 462.816328][ T2082] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.816647][ T2082] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 462.816985][ T2082] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 462.817307][ T2082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.817640][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.817979][ T2082] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 462.818300][ T2082] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 462.818616][ T2082] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 462.818976][ T2082] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 462.819305][ T2082] ? 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) 
[ 462.819626][ T2082] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 462.819960][ T2082] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 462.820278][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.820598][ T2082] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 462.820935][ T2082] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 462.821253][ T2082] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 462.821591][ T2082] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 462.821932][ T2082] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 462.822254][ T2082] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 462.822662][ T2082] ___sys_sendmsg (net/socket.c:2670) 
[ 462.823009][ T2082] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 462.823327][ T2082] ? __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) 
[ 462.823719][ T2082] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 462.824058][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.824381][ T2082] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 462.824704][ T2082] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 462.825048][ T2082] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 462.825372][ T2082] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 462.825705][ T2082] __sys_sendmsg (net/socket.c:2700) 
[ 462.826067][ T2082] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 462.826473][ T2082] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 462.826802][ T2082] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 462.827152][ T2082] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 462.827476][ T2082] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  462.827895][ T2082] RIP: 0033:0x7fb9ff30f1e7
[ 462.828229][ T2082] 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)
[  462.829347][ T2082] RSP: 002b:00007ffec17ea428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  462.829820][ T2082] RAX: ffffffffffffffda RBX: 00007ffec17eab50 RCX: 00007fb9ff30f1e7
[  462.830301][ T2082] RDX: 0000000000000000 RSI: 00007ffec17ea490 RDI: 0000000000000005
[  462.830769][ T2082] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  462.831266][ T2082] R10: 000000000fd5c910 R11: 0000000000000246 R12: 0000000000000004
[  462.831735][ T2082] R13: 00000000686e0dd8 R14: 0000000000499600 R15: 0000000000000000
| [  463.207151][ T2085] ------------[ cut here ]------------
| [ 463.207464][ T2085] WARNING: CPU: 0 PID: 2085 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) 
| [  463.208087][ T2085] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  463.209267][ T2085] Tainted: [W]=WARN
[  463.209503][ T2085] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 463.209892][ T2085] 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) 
[ 463.210206][ T2085] 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
[  463.211519][ T2085] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[  463.212123][ T2085] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  463.212576][ T2085] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  463.213209][ T2085] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[  463.213670][ T2085] R10: ffffc90000547010 R11: ffffffff8baa8918 R12: 1ffff920000a8de2
[  463.214271][ T2085] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800ba12f08
[  463.214721][ T2085] FS:  00007fbea085e800(0000) GS:ffff8880a94b7000(0000) knlGS:0000000000000000
[  463.215326][ T2085] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  463.215710][ T2085] CR2: 00000000004e5ab0 CR3: 000000000d845005 CR4: 0000000000772ef0
[  463.216184][ T2085] PKRU: 55555554
[  463.216416][ T2085] Call Trace:
[  463.216645][ T2085]  <TASK>
[ 463.216803][ T2085] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 463.217115][ T2085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.217455][ T2085] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 463.217783][ T2085] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 463.218175][ T2085] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 463.218486][ T2085] netif_set_mtu (net/core/dev.c:9652) 
[ 463.218793][ T2085] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 463.219118][ T2085] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 463.219544][ T2085] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 463.219787][ T2085] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 463.220214][ T2085] br_add_if (net/bridge/br_if.c:697) bridge 
[ 463.220569][ T2085] do_set_master (net/core/rtnetlink.c:2948) 
[ 463.220893][ T2085] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 463.221208][ T2085] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 463.221599][ T2085] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 463.221912][ T2085] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 463.222215][ T2085] ? __kernel_text_address (kernel/extable.c:79) 
[ 463.222523][ T2085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.222829][ T2085] ? __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) 
[ 463.223143][ T2085] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 463.223519][ T2085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.223826][ T2085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.224155][ T2085] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 463.224462][ T2085] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 463.224766][ T2085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.225095][ T2085] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 463.225396][ T2085] ? __create_object (mm/kmemleak.c:771) 
[ 463.225706][ T2085] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 463.226019][ T2085] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 463.226321][ T2085] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 463.226693][ T2085] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 463.227017][ T2085] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 463.227326][ T2085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.227641][ T2085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.227961][ T2085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.228264][ T2085] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 463.228570][ T2085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.228884][ T2085] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 463.229187][ T2085] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 463.229503][ T2085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.229809][ T2085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.230126][ T2085] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 463.230433][ T2085] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 463.230738][ T2085] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 463.231059][ T2085] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 463.231361][ T2085] ? 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) 
[ 463.231670][ T2085] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 463.231985][ T2085] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 463.232291][ T2085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.232598][ T2085] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 463.232915][ T2085] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 463.233220][ T2085] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 463.233534][ T2085] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 463.233851][ T2085] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 463.234160][ T2085] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 463.234549][ T2085] ___sys_sendmsg (net/socket.c:2670) 
[ 463.234849][ T2085] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 463.235162][ T2085] ? __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) 
[ 463.235542][ T2085] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 463.235849][ T2085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.236168][ T2085] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 463.236479][ T2085] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 463.236780][ T2085] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 463.237089][ T2085] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 463.237409][ T2085] __sys_sendmsg (net/socket.c:2700) 
[ 463.237721][ T2085] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 463.238104][ T2085] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 463.238426][ T2085] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 463.238733][ T2085] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 463.239044][ T2085] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  463.239420][ T2085] RIP: 0033:0x7fbea0a2b1e7
[ 463.239734][ T2085] 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)
[  463.240841][ T2085] RSP: 002b:00007ffefdb9e688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  463.241332][ T2085] RAX: ffffffffffffffda RBX: 00007ffefdb9edb0 RCX: 00007fbea0a2b1e7
[  463.241817][ T2085] RDX: 0000000000000000 RSI: 00007ffefdb9e6f0 RDI: 0000000000000005
[  463.242302][ T2085] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  463.242783][ T2085] R10: 0000000010cb5910 R11: 0000000000000246 R12: 0000000000000004
[  463.243275][ T2085] R13: 00000000686e0dd8 R14: 0000000000499600 R15: 0000000000000000
| [  467.978124][ T2139] ------------[ cut here ]------------
| [ 467.978477][ T2139] WARNING: CPU: 1 PID: 2139 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) 
| [  467.979134][ T2139] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  467.980369][ T2139] Tainted: [W]=WARN
[  467.980605][ T2139] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 467.981024][ T2139] 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) 
[ 467.981345][ T2139] 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
[  467.982439][ T2139] RSP: 0018:ffffc9000088eef0 EFLAGS: 00010246
[  467.982827][ T2139] RAX: 0000000000000000 RBX: ffff88800e71a000 RCX: 0000000000000001
[  467.983305][ T2139] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  467.983767][ T2139] RBP: ffffc9000088efe0 R08: 0000000000000000 R09: 0000000000000000
[  467.984231][ T2139] R10: ffffc9000088f010 R11: ffffffff8b179160 R12: 1ffff92000111de2
[  467.984699][ T2139] R13: 00000000000005dc R14: ffffc9000088f010 R15: ffff88800e71af08
[  467.985179][ T2139] FS:  00007f3c9b9ab800(0000) GS:ffff8880a9537000(0000) knlGS:0000000000000000
[  467.985719][ T2139] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  467.986111][ T2139] CR2: 00000000004e6898 CR3: 000000000c3f6003 CR4: 0000000000772ef0
[  467.986573][ T2139] PKRU: 55555554
[  467.986804][ T2139] Call Trace:
[  467.987057][ T2139]  <TASK>
[ 467.987221][ T2139] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 467.987534][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.987874][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.988185][ T2139] netif_set_mtu (net/core/dev.c:9652) 
[ 467.988493][ T2139] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 467.988812][ T2139] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 467.989066][ T2139] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 467.989503][ T2139] br_add_if (net/bridge/br_if.c:697) bridge 
[ 467.989855][ T2139] do_set_master (net/core/rtnetlink.c:2948) 
[ 467.990328][ T2139] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 467.990639][ T2139] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 467.991145][ T2139] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 467.991450][ T2139] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 467.991753][ T2139] ? __kernel_text_address (kernel/extable.c:79) 
[ 467.992169][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.992487][ T2139] ? __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) 
[ 467.992796][ T2139] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 467.993226][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.993544][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 467.993847][ T2139] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 467.994181][ T2139] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 467.994505][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.994809][ T2139] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 467.995127][ T2139] ? __create_object (mm/kmemleak.c:771) 
[ 467.995440][ T2139] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 467.995749][ T2139] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 467.996064][ T2139] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 467.996445][ T2139] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 467.996756][ T2139] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 467.997094][ T2139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.997403][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.997730][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 467.998047][ T2139] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 467.998353][ T2139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 467.998663][ T2139] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 467.998977][ T2139] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 467.999292][ T2139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 467.999609][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 467.999926][ T2139] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 468.000235][ T2139] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.000545][ T2139] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 468.000893][ T2139] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 468.001204][ T2139] ? 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) 
[ 468.001516][ T2139] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 468.001830][ T2139] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 468.002145][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.002459][ T2139] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 468.002766][ T2139] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 468.003112][ T2139] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 468.003429][ T2139] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 468.003741][ T2139] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 468.004062][ T2139] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 468.004458][ T2139] ___sys_sendmsg (net/socket.c:2670) 
[ 468.004764][ T2139] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 468.005091][ T2139] ? __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) 
[ 468.005478][ T2139] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 468.005803][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.006137][ T2139] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.006474][ T2139] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.006797][ T2139] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 468.007130][ T2139] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.007462][ T2139] __sys_sendmsg (net/socket.c:2700) 
[ 468.007797][ T2139] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 468.008199][ T2139] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 468.008558][ T2139] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.008912][ T2139] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 468.009224][ T2139] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.009607][ T2139] RIP: 0033:0x7f3c9bb781e7
[ 468.009933][ T2139] 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)
[  468.011031][ T2139] RSP: 002b:00007fffa8dae898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.011511][ T2139] RAX: ffffffffffffffda RBX: 00007fffa8daefc0 RCX: 00007f3c9bb781e7
[  468.011976][ T2139] RDX: 0000000000000000 RSI: 00007fffa8dae900 RDI: 0000000000000005
[  468.012434][ T2139] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  468.012912][ T2139] R10: 0000000029b87910 R11: 0000000000000246 R12: 0000000000000004
[  468.013382][ T2139] R13: 00000000686e0ddd R14: 0000000000499600 R15: 0000000000000000
| [  468.768981][ T2145] ------------[ cut here ]------------
| [ 468.769379][ T2145] WARNING: CPU: 2 PID: 2145 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) 
| [  468.770071][ T2145] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  468.771378][ T2145] Tainted: [W]=WARN
[  468.771649][ T2145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 468.772205][ T2145] 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) 
[ 468.772552][ T2145] 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
[  468.773722][ T2145] RSP: 0018:ffffc9000089eef0 EFLAGS: 00010246
[  468.774150][ T2145] RAX: 0000000000000000 RBX: ffff88800e71a000 RCX: 0000000000000001
[  468.774646][ T2145] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  468.775135][ T2145] RBP: ffffc9000089efe0 R08: 0000000000000000 R09: 0000000000000000
[  468.775615][ T2145] R10: ffffc9000089f010 R11: ffffffff8b179160 R12: 1ffff92000113de2
[  468.776112][ T2145] R13: 00000000000005dc R14: ffffc9000089f010 R15: ffff88800e71af08
[  468.776581][ T2145] FS:  00007fcf22350800(0000) GS:ffff8880a95b7000(0000) knlGS:0000000000000000
[  468.777156][ T2145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  468.777564][ T2145] CR2: 00000000004e5768 CR3: 000000000c3f6004 CR4: 0000000000772ef0
[  468.778104][ T2145] PKRU: 55555554
[  468.778358][ T2145] Call Trace:
[  468.778633][ T2145]  <TASK>
[ 468.778806][ T2145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 468.779160][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.779501][ T2145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.779829][ T2145] netif_set_mtu (net/core/dev.c:9652) 
[ 468.780165][ T2145] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 468.780501][ T2145] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 468.780757][ T2145] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 468.781211][ T2145] br_add_if (net/bridge/br_if.c:697) bridge 
[ 468.781580][ T2145] do_set_master (net/core/rtnetlink.c:2948) 
[ 468.781921][ T2145] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 468.782249][ T2145] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 468.782649][ T2145] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 468.783007][ T2145] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 468.783333][ T2145] ? __kernel_text_address (kernel/extable.c:79) 
[ 468.783655][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.783988][ T2145] ? __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) 
[ 468.784309][ T2145] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 468.784718][ T2145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.785055][ T2145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.785374][ T2145] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 468.785714][ T2145] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 468.786052][ T2145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.786372][ T2145] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 468.786686][ T2145] ? __create_object (mm/kmemleak.c:771) 
[ 468.787035][ T2145] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 468.787372][ T2145] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 468.787721][ T2145] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 468.788143][ T2145] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 468.788475][ T2145] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 468.788810][ T2145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.789137][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.789461][ T2145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.789783][ T2145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 468.790113][ T2145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.790540][ T2145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 468.790898][ T2145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 468.791246][ T2145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.791573][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.791986][ T2145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 468.792308][ T2145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 468.792634][ T2145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 468.792987][ T2145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 468.793321][ T2145] ? 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) 
[ 468.793647][ T2145] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 468.793980][ T2145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 468.794297][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.794643][ T2145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 468.794980][ T2145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 468.795302][ T2145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 468.795645][ T2145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 468.795993][ T2145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 468.796321][ T2145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 468.796744][ T2145] ___sys_sendmsg (net/socket.c:2670) 
[ 468.797091][ T2145] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 468.797410][ T2145] ? __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) 
[ 468.797832][ T2145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 468.798186][ T2145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.798522][ T2145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 468.798873][ T2145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 468.799214][ T2145] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 468.799548][ T2145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 468.799917][ T2145] __sys_sendmsg (net/socket.c:2700) 
[ 468.800258][ T2145] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 468.800674][ T2145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 468.801038][ T2145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 468.801380][ T2145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 468.801721][ T2145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  468.802140][ T2145] RIP: 0033:0x7fcf2251d1e7
[ 468.802471][ T2145] 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)
[  468.803640][ T2145] RSP: 002b:00007ffee369c998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  468.804153][ T2145] RAX: ffffffffffffffda RBX: 00007ffee369d0c0 RCX: 00007fcf2251d1e7
[  468.804661][ T2145] RDX: 0000000000000000 RSI: 00007ffee369ca00 RDI: 0000000000000005
[  468.805165][ T2145] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  468.805663][ T2145] R10: 000000003ee88910 R11: 0000000000000246 R12: 0000000000000004
[  468.806175][ T2145] R13: 00000000686e0dde R14: 0000000000499600 R15: 0000000000000000
| [  472.448178][ T2178] ------------[ cut here ]------------
| [ 472.448749][ T2178] WARNING: CPU: 3 PID: 2178 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) 
| [  472.449844][ T2178] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  472.453371][ T2178] Tainted: [W]=WARN
[  472.453828][ T2178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 472.454554][ T2178] 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) 
[ 472.455151][ T2178] 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
[  472.457190][ T2178] RSP: 0018:ffffc900009c6ef0 EFLAGS: 00010246
[  472.457933][ T2178] RAX: 0000000000000000 RBX: ffff888005752000 RCX: 0000000000000001
[  472.458767][ T2178] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  472.459641][ T2178] RBP: ffffc900009c6fe0 R08: 0000000000000000 R09: 0000000000000000
[  472.460487][ T2178] R10: ffffc900009c7010 R11: ffffffff8b179160 R12: 1ffff92000138de2
[  472.461341][ T2178] R13: 00000000000005dc R14: ffffc900009c7010 R15: ffff888005752f08
[  472.462188][ T2178] FS:  00007effa5051800(0000) GS:ffff8880a9637000(0000) knlGS:0000000000000000
[  472.463192][ T2178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  472.463938][ T2178] CR2: 00000000004e6898 CR3: 00000000060b7006 CR4: 0000000000772ef0
[  472.464787][ T2178] PKRU: 55555554
[  472.465226][ T2178] Call Trace:
[  472.465657][ T2178]  <TASK>
[ 472.465969][ T2178] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 472.466548][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.467141][ T2178] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 472.467738][ T2178] netif_set_mtu (net/core/dev.c:9652) 
[ 472.468321][ T2178] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 472.468943][ T2178] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 472.469376][ T2178] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 472.470165][ T2178] br_add_if (net/bridge/br_if.c:697) bridge 
[ 472.470815][ T2178] do_set_master (net/core/rtnetlink.c:2948) 
[ 472.471384][ T2178] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 472.471995][ T2178] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 472.472711][ T2178] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 472.473294][ T2178] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 472.473882][ T2178] ? __kernel_text_address (kernel/extable.c:79) 
[ 472.474460][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.475035][ T2178] ? __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) 
[ 472.475606][ T2178] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 472.476343][ T2178] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 472.476939][ T2178] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 472.477518][ T2178] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 472.478095][ T2178] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 472.478663][ T2178] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 472.479240][ T2178] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 472.479797][ T2178] ? __create_object (mm/kmemleak.c:771) 
[ 472.480399][ T2178] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 472.480999][ T2178] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 472.481554][ T2178] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 472.482276][ T2178] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 472.482879][ T2178] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 472.483464][ T2178] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 472.484048][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.484633][ T2178] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 472.485223][ T2178] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 472.485778][ T2178] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 472.486353][ T2178] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 472.486917][ T2178] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 472.487481][ T2178] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 472.488074][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.488649][ T2178] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 472.489223][ T2178] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 472.489807][ T2178] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 472.490415][ T2178] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 472.491005][ T2178] ? 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) 
[ 472.491585][ T2178] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 472.492182][ T2178] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 472.492759][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.493351][ T2178] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 472.493934][ T2178] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 472.494498][ T2178] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 472.495086][ T2178] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 472.495667][ T2178] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 472.496234][ T2178] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 472.496977][ T2178] ___sys_sendmsg (net/socket.c:2670) 
[ 472.497532][ T2178] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 472.498142][ T2178] ? __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) 
[ 472.498849][ T2178] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 472.499452][ T2178] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 472.500054][ T2178] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 472.500645][ T2178] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 472.501220][ T2178] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 472.501783][ T2178] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 472.502377][ T2178] __sys_sendmsg (net/socket.c:2700) 
[ 472.502954][ T2178] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 472.503670][ T2178] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 472.504269][ T2178] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 472.504833][ T2178] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 472.505418][ T2178] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  472.506143][ T2178] RIP: 0033:0x7effa521e1e7
[ 472.506738][ T2178] 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)
[  472.508770][ T2178] RSP: 002b:00007ffcc952c3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  472.509638][ T2178] RAX: ffffffffffffffda RBX: 00007ffcc952cad0 RCX: 00007effa521e1e7
[  472.510512][ T2178] RDX: 0000000000000000 RSI: 00007ffcc952c410 RDI: 0000000000000005
[  472.511423][ T2178] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  472.512258][ T2178] R10: 0000000033c16910 R11: 0000000000000246 R12: 0000000000000004
[  472.513127][ T2178] R13: 00000000686e0de2 R14: 0000000000499600 R15: 0000000000000000
| [  473.292470][ T2184] ------------[ cut here ]------------
| [ 473.292913][ T2184] WARNING: CPU: 2 PID: 2184 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) 
| [  473.293753][ T2184] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  473.295521][ T2184] Tainted: [W]=WARN
[  473.295835][ T2184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 473.296329][ T2184] 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) 
[ 473.296736][ T2184] 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
[  473.298348][ T2184] RSP: 0018:ffffc90000a36ef0 EFLAGS: 00010246
[  473.299028][ T2184] RAX: 0000000000000000 RBX: ffff888005752000 RCX: 0000000000000001
[  473.299772][ T2184] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  473.300433][ T2184] RBP: ffffc90000a36fe0 R08: 0000000000000000 R09: 0000000000000000
[  473.301101][ T2184] R10: ffffc90000a37010 R11: ffffffff8b179160 R12: 1ffff92000146de2
[  473.301600][ T2184] R13: 00000000000005dc R14: ffffc90000a37010 R15: ffff888005752f08
[  473.302255][ T2184] FS:  00007faf10293800(0000) GS:ffff8880a95b7000(0000) knlGS:0000000000000000
[  473.302838][ T2184] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  473.303450][ T2184] CR2: 00000000004e5768 CR3: 000000000bf12002 CR4: 0000000000772ef0
[  473.304039][ T2184] PKRU: 55555554
[  473.304324][ T2184] Call Trace:
[  473.304650][ T2184]  <TASK>
[ 473.304917][ T2184] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 473.305335][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.305749][ T2184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.306168][ T2184] netif_set_mtu (net/core/dev.c:9652) 
[ 473.306627][ T2184] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 473.306994][ T2184] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 473.307350][ T2184] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 473.307828][ T2184] br_add_if (net/bridge/br_if.c:697) bridge 
[ 473.308288][ T2184] do_set_master (net/core/rtnetlink.c:2948) 
[ 473.308740][ T2184] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 473.309118][ T2184] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 473.309720][ T2184] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 473.310206][ T2184] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 473.310557][ T2184] ? __kernel_text_address (kernel/extable.c:79) 
[ 473.311007][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.311473][ T2184] ? __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) 
[ 473.311806][ T2184] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 473.312257][ T2184] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.312667][ T2184] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.313113][ T2184] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 473.313543][ T2184] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 473.314009][ T2184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.314436][ T2184] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 473.314827][ T2184] ? __create_object (mm/kmemleak.c:771) 
[ 473.315306][ T2184] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 473.315710][ T2184] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 473.316080][ T2184] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 473.316579][ T2184] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 473.317080][ T2184] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 473.317593][ T2184] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 473.318074][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.318517][ T2184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.318926][ T2184] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 473.319271][ T2184] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 473.319663][ T2184] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 473.320126][ T2184] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 473.320535][ T2184] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 473.320949][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.321306][ T2184] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 473.321645][ T2184] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 473.322014][ T2184] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 473.322400][ T2184] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 473.322747][ T2184] ? 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) 
[ 473.323182][ T2184] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 473.323688][ T2184] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 473.324034][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.324389][ T2184] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 473.324736][ T2184] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 473.325095][ T2184] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 473.325463][ T2184] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 473.325963][ T2184] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 473.326351][ T2184] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 473.326918][ T2184] ___sys_sendmsg (net/socket.c:2670) 
[ 473.327427][ T2184] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 473.327940][ T2184] ? __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) 
[ 473.328370][ T2184] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 473.328812][ T2184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.329195][ T2184] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 473.329542][ T2184] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 473.330008][ T2184] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 473.330448][ T2184] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 473.330861][ T2184] __sys_sendmsg (net/socket.c:2700) 
[ 473.331391][ T2184] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 473.331821][ T2184] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 473.332223][ T2184] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 473.332591][ T2184] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 473.333002][ T2184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  473.333481][ T2184] RIP: 0033:0x7faf104601e7
[ 473.333960][ T2184] 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)
[  473.335224][ T2184] RSP: 002b:00007ffcf5cb6758 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  473.335726][ T2184] RAX: ffffffffffffffda RBX: 00007ffcf5cb6e80 RCX: 00007faf104601e7
[  473.336428][ T2184] RDX: 0000000000000000 RSI: 00007ffcf5cb67c0 RDI: 0000000000000005
[  473.336953][ T2184] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  473.337474][ T2184] R10: 000000002c67e910 R11: 0000000000000246 R12: 0000000000000004
[  473.338039][ T2184] R13: 00000000686e0de2 R14: 0000000000499600 R15: 0000000000000000
| [  694.872241][ T3983] ------------[ cut here ]------------
| [ 694.872615][ T3983] WARNING: CPU: 2 PID: 3983 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) 
| [  694.873264][ T3983] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  694.874994][ T3983] Tainted: [W]=WARN
[  694.875453][ T3983] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 694.876129][ T3983] 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) 
[ 694.876706][ T3983] 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
[  694.878024][ T3983] RSP: 0018:ffffc90004446f70 EFLAGS: 00010246
[  694.878628][ T3983] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  694.879313][ T3983] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  694.879979][ T3983] RBP: ffffc90004447058 R08: 0000000000000000 R09: 0000000000000000
[  694.880657][ T3983] R10: ffffc90004447088 R11: ffffffff87f224d4 R12: 1ffff92000888df2
[  694.881336][ T3983] R13: 00000000000005dc R14: ffffc90004447088 R15: ffff88800ba12f08
[  694.881991][ T3983] FS:  00007fcffd289800(0000) GS:ffff8880a95b7000(0000) knlGS:0000000000000000
[  694.882740][ T3983] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  694.883350][ T3983] CR2: 00000000004e5760 CR3: 0000000009b83006 CR4: 0000000000772ef0
[  694.884028][ T3983] PKRU: 55555554
[  694.884468][ T3983] Call Trace:
[  694.884933][ T3983]  <TASK>
[ 694.885344][ T3983] ? __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) 
[ 694.885992][ T3983] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 694.886580][ T3983] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 694.887215][ T3983] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 694.887712][ T3983] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 694.888283][ T3983] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 694.888884][ T3983] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 694.889403][ T3983] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 694.889935][ T3983] ? ___sys_sendmsg (net/socket.c:2670) 
[ 694.890548][ T3983] ? __sys_sendmsg (net/socket.c:2700) 
[ 694.891115][ T3983] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 694.891677][ T3983] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 694.892293][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.892906][ T3983] netif_set_mtu (net/core/dev.c:9652) 
[ 694.893454][ T3983] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 694.894076][ T3983] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 694.894521][ T3983] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 694.895185][ T3983] br_del_if (net/bridge/br_if.c:743) bridge 
[ 694.895814][ T3983] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 694.896321][ T3983] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 694.896841][ T3983] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 694.897452][ T3983] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 694.898072][ T3983] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 694.898548][ T3983] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 694.899082][ T3983] ? __kernel_text_address (kernel/extable.c:79) 
[ 694.899588][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.900108][ T3983] ? __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) 
[ 694.900541][ T3983] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 694.900950][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.901273][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.901592][ T3983] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 694.901928][ T3983] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 694.902253][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.902575][ T3983] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 694.902908][ T3983] ? __create_object (mm/kmemleak.c:771) 
[ 694.903252][ T3983] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 694.903593][ T3983] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 694.903932][ T3983] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 694.904357][ T3983] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 694.904708][ T3983] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 694.905071][ T3983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.905397][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.905728][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.906084][ T3983] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 694.906420][ T3983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 694.906766][ T3983] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 694.907120][ T3983] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 694.907463][ T3983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.907805][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.908180][ T3983] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 694.908521][ T3983] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 694.908872][ T3983] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 694.909222][ T3983] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 694.909566][ T3983] ? 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) 
[ 694.909916][ T3983] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 694.910262][ T3983] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 694.910599][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.910957][ T3983] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 694.911303][ T3983] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 694.911641][ T3983] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 694.911990][ T3983] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 694.912323][ T3983] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 694.912645][ T3983] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 694.913074][ T3983] ___sys_sendmsg (net/socket.c:2670) 
[ 694.913406][ T3983] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 694.913744][ T3983] ? __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) 
[ 694.914165][ T3983] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 694.914510][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.914835][ T3983] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 694.915196][ T3983] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 694.915536][ T3983] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 694.915890][ T3983] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 694.916235][ T3983] __sys_sendmsg (net/socket.c:2700) 
[ 694.916572][ T3983] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 694.917000][ T3983] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 694.917357][ T3983] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 694.917726][ T3983] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 694.918124][ T3983] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  694.918546][ T3983] RIP: 0033:0x7fcffd4561e7
[ 694.918914][ T3983] 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)
[  694.920070][ T3983] RSP: 002b:00007fff59a71218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  694.920574][ T3983] RAX: ffffffffffffffda RBX: 00007fff59a71940 RCX: 00007fcffd4561e7
[  694.921081][ T3983] RDX: 0000000000000000 RSI: 00007fff59a71280 RDI: 0000000000000005
[  694.921580][ T3983] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  694.922101][ T3983] R10: 00007fcffd353ee8 R11: 0000000000000246 R12: 0000000000000003
[  694.922602][ T3983] R13: 00000000686e0ec0 R14: 0000000000499600 R15: 0000000000000000
| [  700.504236][ T3988] ------------[ cut here ]------------
| [ 700.504794][ T3988] WARNING: CPU: 2 PID: 3988 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) 
| [  700.505903][ T3988] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  700.508272][ T3988] Tainted: [W]=WARN
[  700.508705][ T3988] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 700.509450][ T3988] 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) 
[ 700.510058][ T3988] 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
[  700.512068][ T3988] RSP: 0018:ffffc90004486ef0 EFLAGS: 00010246
[  700.512780][ T3988] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  700.513652][ T3988] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  700.514526][ T3988] RBP: ffffc90004486fe0 R08: 0000000000000000 R09: 0000000000000000
[  700.515387][ T3988] R10: ffffc90004487010 R11: ffffffff8baa8918 R12: 1ffff92000890de2
[  700.516246][ T3988] R13: 00000000000005dc R14: ffffc90004487010 R15: ffff88800ba12f08
[  700.517142][ T3988] FS:  00007f23e7897800(0000) GS:ffff8880a95b7000(0000) knlGS:0000000000000000
[  700.518192][ T3988] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  700.518945][ T3988] CR2: 00000000004e5760 CR3: 000000000bfcf006 CR4: 0000000000772ef0
[  700.519811][ T3988] PKRU: 55555554
[  700.520276][ T3988] Call Trace:
[  700.520725][ T3988]  <TASK>
[ 700.521070][ T3988] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 700.521657][ T3988] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.522281][ T3988] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 700.522896][ T3988] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 700.523625][ T3988] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 700.524232][ T3988] netif_set_mtu (net/core/dev.c:9652) 
[ 700.524820][ T3988] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 700.525464][ T3988] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 700.526287][ T3988] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 700.526750][ T3988] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 700.527423][ T3988] br_add_if (net/bridge/br_if.c:697) bridge 
[ 700.528153][ T3988] do_set_master (net/core/rtnetlink.c:2948) 
[ 700.528783][ T3988] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 700.529412][ T3988] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 700.530163][ T3988] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 700.530749][ T3988] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 700.531342][ T3988] ? __kernel_text_address (kernel/extable.c:79) 
[ 700.531894][ T3988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.532439][ T3988] ? __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) 
[ 700.533043][ T3988] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 700.533727][ T3988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.534332][ T3988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.534926][ T3988] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 700.535503][ T3988] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 700.536086][ T3988] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.536655][ T3988] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 700.537271][ T3988] ? __create_object (mm/kmemleak.c:771) 
[ 700.537858][ T3988] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 700.538456][ T3988] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 700.539031][ T3988] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 700.539714][ T3988] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 700.540292][ T3988] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 700.540916][ T3988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 700.541485][ T3988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.542097][ T3988] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.542672][ T3988] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 700.543254][ T3988] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 700.543817][ T3988] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 700.544408][ T3988] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 700.545015][ T3988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 700.545595][ T3988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.546206][ T3988] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 700.546777][ T3988] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 700.547376][ T3988] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 700.548001][ T3988] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 700.548570][ T3988] ? 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) 
[ 700.549179][ T3988] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 700.549748][ T3988] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 700.550326][ T3988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.550923][ T3988] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 700.551491][ T3988] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 700.552066][ T3988] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 700.552649][ T3988] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 700.553247][ T3988] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 700.553826][ T3988] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 700.554578][ T3988] ___sys_sendmsg (net/socket.c:2670) 
[ 700.555163][ T3988] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 700.555732][ T3988] ? __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) 
[ 700.556450][ T3988] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 700.557066][ T3988] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.557641][ T3988] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 700.558254][ T3988] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 700.558823][ T3988] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 700.559408][ T3988] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 700.560002][ T3988] __sys_sendmsg (net/socket.c:2700) 
[ 700.560555][ T3988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 700.561289][ T3988] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 700.561900][ T3988] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 700.562476][ T3988] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 700.563070][ T3988] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  700.563771][ T3988] RIP: 0033:0x7f23e7a641e7
[ 700.564377][ T3988] 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)
[  700.566366][ T3988] RSP: 002b:00007fff94006648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  700.567224][ T3988] RAX: ffffffffffffffda RBX: 00007fff94006d70 RCX: 00007f23e7a641e7
[  700.568108][ T3988] RDX: 0000000000000000 RSI: 00007fff940066b0 RDI: 0000000000000005
[  700.568974][ T3988] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  700.569837][ T3988] R10: 0000000030985910 R11: 0000000000000246 R12: 0000000000000004
[  700.570716][ T3988] R13: 00000000686e0ec6 R14: 0000000000499600 R15: 0000000000000000
| [  813.492967][ T4804] ------------[ cut here ]------------
| [ 813.493394][ T4804] WARNING: CPU: 0 PID: 4804 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) 
| [  813.494382][ T4804] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  813.495747][ T4804] Tainted: [W]=WARN
[  813.495995][ T4804] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 813.496379][ T4804] 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) 
[ 813.496702][ T4804] 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
[  813.497811][ T4804] RSP: 0018:ffffc90006096f70 EFLAGS: 00010246
[  813.498246][ T4804] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  813.498703][ T4804] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  813.499171][ T4804] RBP: ffffc90006097058 R08: 0000000000000000 R09: 0000000000000000
[  813.499633][ T4804] R10: ffffc90006097088 R11: ffffffff8b179160 R12: 1ffff92000c12df2
[  813.500129][ T4804] R13: 00000000000005dc R14: ffffc90006097088 R15: ffff88800ba12f08
[  813.500634][ T4804] FS:  00007f0c611b1800(0000) GS:ffff8880a94b7000(0000) knlGS:0000000000000000
[  813.501182][ T4804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  813.501577][ T4804] CR2: 00000000004e5ab0 CR3: 000000000ab69005 CR4: 0000000000772ef0
[  813.502065][ T4804] PKRU: 55555554
[  813.502297][ T4804] Call Trace:
[  813.502565][ T4804]  <TASK>
[ 813.502729][ T4804] ? __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) 
[ 813.503160][ T4804] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 813.503541][ T4804] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 813.503895][ T4804] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.504218][ T4804] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 813.504540][ T4804] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 813.504884][ T4804] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.505225][ T4804] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.505551][ T4804] ? ___sys_sendmsg (net/socket.c:2670) 
[ 813.505902][ T4804] ? __sys_sendmsg (net/socket.c:2700) 
[ 813.506235][ T4804] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.506563][ T4804] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 813.506974][ T4804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.507306][ T4804] netif_set_mtu (net/core/dev.c:9652) 
[ 813.507632][ T4804] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 813.508006][ T4804] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 813.508256][ T4804] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 813.508700][ T4804] br_del_if (net/bridge/br_if.c:743) bridge 
[ 813.509062][ T4804] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 813.509384][ T4804] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 813.509709][ T4804] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.510060][ T4804] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 813.510471][ T4804] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 813.510804][ T4804] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 813.511137][ T4804] ? __kernel_text_address (kernel/extable.c:79) 
[ 813.511466][ T4804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.511792][ T4804] ? __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) 
[ 813.512124][ T4804] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 813.512525][ T4804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.512849][ T4804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.513211][ T4804] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 813.513535][ T4804] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 813.513858][ T4804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.514207][ T4804] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 813.514528][ T4804] ? __create_object (mm/kmemleak.c:771) 
[ 813.514854][ T4804] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 813.515182][ T4804] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 813.515509][ T4804] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 813.515919][ T4804] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 813.516251][ T4804] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 813.516577][ T4804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.516904][ T4804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.517228][ T4804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.517556][ T4804] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 813.517855][ T4804] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.518204][ T4804] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.518508][ T4804] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 813.518812][ T4804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.519125][ T4804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.519436][ T4804] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 813.519738][ T4804] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.520051][ T4804] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 813.520372][ T4804] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 813.520675][ T4804] ? 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) 
[ 813.520988][ T4804] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 813.521295][ T4804] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 813.521596][ T4804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.521924][ T4804] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.522235][ T4804] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 813.522544][ T4804] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 813.522855][ T4804] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.523177][ T4804] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 813.523478][ T4804] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 813.523877][ T4804] ___sys_sendmsg (net/socket.c:2670) 
[ 813.524179][ T4804] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 813.524482][ T4804] ? __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) 
[ 813.524882][ T4804] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 813.525186][ T4804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.525492][ T4804] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.525801][ T4804] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.526122][ T4804] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 813.526432][ T4804] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.526742][ T4804] __sys_sendmsg (net/socket.c:2700) 
[ 813.527051][ T4804] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 813.527433][ T4804] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 813.527750][ T4804] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.528130][ T4804] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.528457][ T4804] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  813.528856][ T4804] RIP: 0033:0x7f0c6137e1e7
[ 813.529204][ T4804] 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)
[  813.530368][ T4804] RSP: 002b:00007ffcc6c52ac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  813.530857][ T4804] RAX: ffffffffffffffda RBX: 00007ffcc6c531f0 RCX: 00007f0c6137e1e7
[  813.531346][ T4804] RDX: 0000000000000000 RSI: 00007ffcc6c52b30 RDI: 0000000000000005
[  813.531833][ T4804] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  813.532320][ T4804] R10: 00007f0c6127bee8 R11: 0000000000000246 R12: 0000000000000003
[  813.532794][ T4804] R13: 00000000686e0f37 R14: 0000000000499600 R15: 0000000000000000
| [  813.962384][ T4807] ------------[ cut here ]------------
| [ 813.962747][ T4807] WARNING: CPU: 3 PID: 4807 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) 
| [  813.963401][ T4807] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  813.964807][ T4807] Tainted: [W]=WARN
[  813.965048][ T4807] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 813.965446][ T4807] 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) 
[ 813.965781][ T4807] 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
[  813.966911][ T4807] RSP: 0018:ffffc900060c6f70 EFLAGS: 00010246
[  813.967330][ T4807] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  813.967803][ T4807] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  813.968305][ T4807] RBP: ffffc900060c7058 R08: 0000000000000000 R09: 0000000000000000
[  813.968787][ T4807] R10: ffffc900060c7088 R11: ffffffff8b179160 R12: 1ffff92000c18df2
[  813.969253][ T4807] R13: 00000000000005dc R14: ffffc900060c7088 R15: ffff88800ba12f08
[  813.969734][ T4807] FS:  00007f94f561b800(0000) GS:ffff8880a9637000(0000) knlGS:0000000000000000
[  813.970276][ T4807] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  813.970674][ T4807] CR2: 00007ff7b8dbb000 CR3: 000000000c0ee006 CR4: 0000000000772ef0
[  813.971147][ T4807] PKRU: 55555554
[  813.971411][ T4807] Call Trace:
[  813.971662][ T4807]  <TASK>
[ 813.971818][ T4807] ? __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) 
[ 813.972228][ T4807] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 813.972579][ T4807] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 813.972930][ T4807] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.973236][ T4807] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 813.973540][ T4807] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 813.973852][ T4807] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.974166][ T4807] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.974478][ T4807] ? ___sys_sendmsg (net/socket.c:2670) 
[ 813.974779][ T4807] ? __sys_sendmsg (net/socket.c:2700) 
[ 813.975091][ T4807] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.975398][ T4807] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 813.975773][ T4807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.976097][ T4807] netif_set_mtu (net/core/dev.c:9652) 
[ 813.976413][ T4807] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 813.976732][ T4807] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 813.976972][ T4807] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 813.977392][ T4807] br_del_if (net/bridge/br_if.c:743) bridge 
[ 813.977727][ T4807] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 813.978159][ T4807] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 813.978472][ T4807] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 813.978779][ T4807] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 813.979184][ T4807] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 813.979489][ T4807] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 813.979791][ T4807] ? __kernel_text_address (kernel/extable.c:79) 
[ 813.980110][ T4807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.980421][ T4807] ? __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) 
[ 813.980726][ T4807] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 813.981124][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.981434][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.981736][ T4807] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 813.982048][ T4807] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 813.982356][ T4807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.982663][ T4807] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 813.982972][ T4807] ? __create_object (mm/kmemleak.c:771) 
[ 813.983288][ T4807] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 813.983607][ T4807] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 813.983921][ T4807] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 813.984301][ T4807] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 813.984613][ T4807] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 813.984931][ T4807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.985235][ T4807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.985546][ T4807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.985859][ T4807] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 813.986176][ T4807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.986486][ T4807] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 813.986788][ T4807] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 813.987138][ T4807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.987449][ T4807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.987784][ T4807] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 813.988118][ T4807] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 813.988439][ T4807] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 813.988766][ T4807] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 813.989079][ T4807] ? 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) 
[ 813.989387][ T4807] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 813.989708][ T4807] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 813.990025][ T4807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.990338][ T4807] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 813.990652][ T4807] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 813.990968][ T4807] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 813.991283][ T4807] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 813.991590][ T4807] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 813.991918][ T4807] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 813.992321][ T4807] ___sys_sendmsg (net/socket.c:2670) 
[ 813.992621][ T4807] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 813.992958][ T4807] ? __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) 
[ 813.993341][ T4807] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 813.993648][ T4807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.993973][ T4807] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 813.994284][ T4807] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 813.994592][ T4807] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 813.994916][ T4807] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 813.995228][ T4807] __sys_sendmsg (net/socket.c:2700) 
[ 813.995549][ T4807] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 813.995937][ T4807] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 813.996253][ T4807] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 813.996560][ T4807] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 813.996891][ T4807] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  813.997273][ T4807] RIP: 0033:0x7f94f57e81e7
[ 813.997616][ T4807] 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)
[  813.998767][ T4807] RSP: 002b:00007fff00be2ab8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  813.999248][ T4807] RAX: ffffffffffffffda RBX: 00007fff00be31e0 RCX: 00007f94f57e81e7
[  813.999709][ T4807] RDX: 0000000000000000 RSI: 00007fff00be2b20 RDI: 0000000000000005
[  814.000197][ T4807] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  814.000661][ T4807] R10: 00007f94f56e5ee8 R11: 0000000000000246 R12: 0000000000000003
[  814.001157][ T4807] R13: 00000000686e0f37 R14: 0000000000499600 R15: 0000000000000000
| [  814.138349][ T4808] ------------[ cut here ]------------
| [ 814.138687][ T4808] WARNING: CPU: 3 PID: 4808 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) 
| [  814.139327][ T4808] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  814.141524][ T4808] Tainted: [W]=WARN
[  814.141961][ T4808] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 814.142646][ T4808] 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) 
[ 814.143210][ T4808] 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
[  814.145048][ T4808] RSP: 0018:ffffc900060c6f70 EFLAGS: 00010246
[  814.145750][ T4808] RAX: 0000000000000000 RBX: ffff88800ba12000 RCX: 0000000000000001
[  814.146596][ T4808] RDX: 0000000000000000 RSI: ffffffff8ac9b941 RDI: ffffffff8a4555e0
[  814.147424][ T4808] RBP: ffffc900060c7058 R08: 0000000000000000 R09: 0000000000000000
[  814.148274][ T4808] R10: ffffc900060c7088 R11: ffffffff8b179160 R12: 1ffff92000c18df2
[  814.149107][ T4808] R13: 00000000000005dc R14: ffffc900060c7088 R15: ffff88800ba12f08
[  814.149931][ T4808] FS:  00007f94c5ead800(0000) GS:ffff8880a9637000(0000) knlGS:0000000000000000
[  814.150905][ T4808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  814.151587][ T4808] CR2: 00000000004e5760 CR3: 000000000b9a8001 CR4: 0000000000772ef0
[  814.152426][ T4808] PKRU: 55555554
[  814.152839][ T4808] Call Trace:
[  814.153267][ T4808]  <TASK>
[ 814.153544][ T4808] ? __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) 
[ 814.154279][ T4808] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 814.154956][ T4808] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 814.155519][ T4808] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.156083][ T4808] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 814.156626][ T4808] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 814.157187][ T4808] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.157750][ T4808] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.158365][ T4808] ? ___sys_sendmsg (net/socket.c:2670) 
[ 814.158923][ T4808] ? __sys_sendmsg (net/socket.c:2700) 
[ 814.159463][ T4808] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.160018][ T4808] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 814.160688][ T4808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.161262][ T4808] netif_set_mtu (net/core/dev.c:9652) 
[ 814.161812][ T4808] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 814.162396][ T4808] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 814.162817][ T4808] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 814.163590][ T4808] br_del_if (net/bridge/br_if.c:743) bridge 
[ 814.164215][ T4808] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 814.164788][ T4808] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 814.165364][ T4808] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 814.165956][ T4808] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 814.166683][ T4808] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 814.167271][ T4808] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 814.167812][ T4808] ? __kernel_text_address (kernel/extable.c:79) 
[ 814.168405][ T4808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.168972][ T4808] ? __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) 
[ 814.169529][ T4808] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 814.170217][ T4808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.170767][ T4808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.171346][ T4808] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 814.171904][ T4808] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 814.172459][ T4808] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 814.173020][ T4808] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 814.173573][ T4808] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 814.174136][ T4808] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 814.174820][ T4808] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 814.175413][ T4808] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 814.175986][ T4808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.176530][ T4808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.177112][ T4808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.177663][ T4808] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 814.178056][ T4808] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.178600][ T4808] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 814.179177][ T4808] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 814.179746][ T4808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.180327][ T4808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.180915][ T4808] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 814.181442][ T4808] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 814.182016][ T4808] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 814.182591][ T4808] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 814.183141][ T4808] ? 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) 
[ 814.183645][ T4808] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 814.184190][ T4808] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 814.184743][ T4808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.185320][ T4808] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 814.185893][ T4808] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 814.186450][ T4808] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 814.187036][ T4808] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 814.187607][ T4808] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 814.188192][ T4808] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 814.188915][ T4808] ___sys_sendmsg (net/socket.c:2670) 
[ 814.189459][ T4808] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 814.190014][ T4808] ? __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) 
[ 814.190698][ T4808] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 814.191264][ T4808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.191835][ T4808] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 814.192415][ T4808] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 814.192985][ T4808] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 814.193526][ T4808] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 814.194110][ T4808] __sys_sendmsg (net/socket.c:2700) 
[ 814.194662][ T4808] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 814.195351][ T4808] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 814.195955][ T4808] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 814.196520][ T4808] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 814.197092][ T4808] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  814.197768][ T4808] RIP: 0033:0x7f94c607a1e7
[ 814.198350][ T4808] 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)
[  814.200317][ T4808] RSP: 002b:00007ffd85ecddd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  814.201159][ T4808] RAX: ffffffffffffffda RBX: 00007ffd85ece500 RCX: 00007f94c607a1e7
[  814.201997][ T4808] RDX: 0000000000000000 RSI: 00007ffd85ecde40 RDI: 0000000000000005
[  814.202811][ T4808] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  814.203647][ T4808] R10: 00007f94c5f77ee8 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