======================================
| [  108.406870][ T1109] br: port 1(vx) entered forwarding state
| [  108.408807][ T1109] ------------[ cut here ]------------
| [ 108.409146][ T1109] WARNING: CPU: 0 PID: 1109 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) 
| [  108.409976][ T1109] Modules linked in: vxlan
[  108.410944][ T1109] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 108.411356][ T1109] 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) 
[ 108.411686][ T1109] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  108.412817][ T1109] RSP: 0018:ffffc90000ec6ef0 EFLAGS: 00010246
[  108.413229][ T1109] RAX: 0000000000000000 RBX: ffff888009ec2000 RCX: 0000000000000001
[  108.413718][ T1109] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  108.414222][ T1109] RBP: ffffc90000ec6fd8 R08: 0000000000000000 R09: 0000000000000000
[  108.414696][ T1109] R10: ffffc90000ec7008 R11: ffffffffbd0ceab8 R12: 1ffff920001d8de2
[  108.415175][ T1109] R13: 00000000000005dc R14: ffffc90000ec7008 R15: ffff888009ec2f48
[  108.415650][ T1109] FS:  00007f5fe1a95800(0000) GS:ffff8880aeb99000(0000) knlGS:0000000000000000
[  108.416216][ T1109] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  108.416617][ T1109] CR2: 00000000004e6e08 CR3: 0000000017007005 CR4: 0000000000772ef0
[  108.417095][ T1109] PKRU: 55555554
[  108.417334][ T1109] Call Trace:
[  108.417575][ T1109]  <TASK>
[ 108.417742][ T1109] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 108.418076][ T1109] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 108.418402][ T1109] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 108.418799][ T1109] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 108.419138][ T1109] netif_set_mtu (net/core/dev.c:9652) 
[ 108.419460][ T1109] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 108.419784][ T1109] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 108.420189][ T1109] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 108.420437][ T1109] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 108.420754][ T1109] br_add_if (net/bridge/br_if.c:697) 
[ 108.421007][ T1109] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 108.421321][ T1109] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 108.421649][ T1109] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 108.421980][ T1109] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 108.422384][ T1109] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 108.422704][ T1109] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 108.423025][ T1109] ? __kernel_text_address (kernel/extable.c:79) 
[ 108.423344][ T1109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.423671][ T1109] ? __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) 
[ 108.423999][ T1109] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 108.424407][ T1109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.424724][ T1109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.425049][ T1109] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 108.425364][ T1109] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 108.425681][ T1109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.426001][ T1109] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 108.426314][ T1109] ? __create_object (mm/kmemleak.c:771) 
[ 108.426638][ T1109] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 108.426951][ T1109] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 108.427284][ T1109] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 108.427677][ T1109] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 108.428005][ T1109] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 108.428331][ T1109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.428651][ T1109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.428984][ T1109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.429300][ T1109] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 108.429614][ T1109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.429930][ T1109] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 108.430251][ T1109] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 108.430564][ T1109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.430879][ T1109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.431210][ T1109] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 108.431522][ T1109] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 108.431837][ T1109] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 108.432167][ T1109] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 108.432476][ T1109] ? 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) 
[ 108.432792][ T1109] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 108.433117][ T1109] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 108.433443][ T1109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.433760][ T1109] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 108.434081][ T1109] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 108.434393][ T1109] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 108.434712][ T1109] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 108.435037][ T1109] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 108.435347][ T1109] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 108.435756][ T1109] ___sys_sendmsg (net/socket.c:2670) 
[ 108.436073][ T1109] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 108.436392][ T1109] ? __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) 
[ 108.436787][ T1109] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 108.437113][ T1109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.437433][ T1109] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 108.437759][ T1109] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 108.438089][ T1109] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 108.438404][ T1109] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 108.438726][ T1109] __sys_sendmsg (net/socket.c:2700) 
[ 108.439044][ T1109] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 108.439430][ T1109] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 108.439754][ T1109] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 108.440076][ T1109] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 108.440396][ T1109] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  108.440782][ T1109] RIP: 0033:0x7f5fe1c621e7
[ 108.441116][ T1109] 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)
[  108.442237][ T1109] RSP: 002b:00007ffc4b34dc58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  108.442719][ T1109] RAX: ffffffffffffffda RBX: 00007ffc4b34e380 RCX: 00007f5fe1c621e7
[  108.443197][ T1109] RDX: 0000000000000000 RSI: 00007ffc4b34dcc0 RDI: 0000000000000005
[  108.443673][ T1109] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  108.444148][ T1109] R10: 00000000181c6910 R11: 0000000000000246 R12: 0000000000000004
[  108.444622][ T1109] R13: 00000000686e7739 R14: 0000000000499600 R15: 0000000000000000
| [  112.055313][ T1171] ------------[ cut here ]------------
| [ 112.055683][ T1171] WARNING: CPU: 3 PID: 1171 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) 
| [  112.056699][ T1171] Modules linked in: vxlan
| [  112.057751][ T1171] Tainted: [W]=WARN
[  112.058027][ T1171] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 112.058451][ T1171] 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) 
[ 112.058801][ T1171] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  112.060025][ T1171] RSP: 0018:ffffc900007c6f60 EFLAGS: 00010246
[  112.060462][ T1171] RAX: 0000000000000000 RBX: ffff888009ec2000 RCX: 0000000000000001
[  112.060978][ T1171] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  112.061485][ T1171] RBP: ffffc900007c7050 R08: 0000000000000000 R09: 0000000000000000
[  112.061999][ T1171] R10: ffffc900007c7080 R11: ffffffffb7e00130 R12: 1ffff920000f8df0
[  112.062506][ T1171] R13: 00000000000005dc R14: ffffc900007c7080 R15: ffff888009ec2f48
[  112.063027][ T1171] FS:  00007f83bb06c800(0000) GS:ffff8880aed19000(0000) knlGS:0000000000000000
[  112.063627][ T1171] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  112.064064][ T1171] CR2: 00000000004e62d8 CR3: 000000000c02f002 CR4: 0000000000772ef0
[  112.064573][ T1171] PKRU: 55555554
[  112.064828][ T1171] Call Trace:
[  112.065097][ T1171]  <TASK>
[ 112.065271][ T1171] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.065615][ T1171] ? __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) 
[ 112.066045][ T1171] ? br_del_if (net/bridge/br_if.c:742) 
[ 112.066305][ T1171] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.066643][ T1171] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 112.066988][ T1171] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.069511][ T1171] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.069856][ T1171] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.070200][ T1171] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.070749][ T1171] ? ___sys_sendmsg (net/socket.c:2670) 
[ 112.071094][ T1171] ? __sys_sendmsg (net/socket.c:2700) 
[ 112.071429][ T1171] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.072200][ T1171] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 112.072622][ T1171] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.073190][ T1171] netif_set_mtu (net/core/dev.c:9652) 
[ 112.073550][ T1171] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 112.073905][ T1171] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 112.074388][ T1171] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 112.074734][ T1171] br_del_if (net/bridge/br_if.c:743) 
[ 112.075012][ T1171] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 112.075349][ T1171] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 112.075896][ T1171] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 112.076247][ T1171] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 112.076595][ T1171] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 112.077052][ T1171] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 112.077601][ T1171] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 112.077938][ T1171] ? __kernel_text_address (kernel/extable.c:79) 
[ 112.078289][ T1171] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.078629][ T1171] ? __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) 
[ 112.079190][ T1171] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 112.079618][ T1171] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.079968][ T1171] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.080307][ T1171] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 112.080854][ T1171] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 112.081209][ T1171] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.081547][ T1171] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 112.081881][ T1171] ? __create_object (mm/kmemleak.c:771) 
[ 112.082229][ T1171] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 112.082574][ T1171] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 112.082911][ T1171] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 112.083348][ T1171] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 112.083697][ T1171] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 112.084048][ T1171] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.084382][ T1171] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.084725][ T1171] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.085072][ T1171] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 112.085419][ T1171] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.085758][ T1171] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 112.086105][ T1171] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 112.086444][ T1171] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.086783][ T1171] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.087134][ T1171] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 112.087469][ T1171] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 112.088036][ T1171] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 112.088382][ T1171] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 112.088716][ T1171] ? 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) 
[ 112.089273][ T1171] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 112.089612][ T1171] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 112.089944][ T1171] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.090295][ T1171] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 112.090642][ T1171] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 112.091200][ T1171] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 112.091544][ T1171] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 112.091880][ T1171] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 112.092433][ T1171] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 112.092865][ T1171] ___sys_sendmsg (net/socket.c:2670) 
[ 112.093209][ T1171] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 112.093564][ T1171] ? __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) 
[ 112.094207][ T1171] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 112.094547][ T1171] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.094884][ T1171] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 112.095238][ T1171] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 112.095789][ T1171] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 112.096139][ T1171] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 112.096493][ T1171] __sys_sendmsg (net/socket.c:2700) 
[ 112.096830][ T1171] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 112.097467][ T1171] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 112.097816][ T1171] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 112.098165][ T1171] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 112.098503][ T1171] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  112.099145][ T1171] RIP: 0033:0x7f83bb2391e7
[ 112.099493][ T1171] 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)
[  112.100927][ T1171] RSP: 002b:00007ffcd5e27168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  112.101440][ T1171] RAX: ffffffffffffffda RBX: 00007ffcd5e27890 RCX: 00007f83bb2391e7
[  112.102177][ T1171] RDX: 0000000000000000 RSI: 00007ffcd5e271d0 RDI: 0000000000000005
[  112.102678][ T1171] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  112.103187][ T1171] R10: 00007f83bb136ee8 R11: 0000000000000246 R12: 0000000000000003
[  112.103917][ T1171] R13: 00000000686e773d R14: 0000000000499600 R15: 0000000000000000
| [  113.003869][ T1194] ------------[ cut here ]------------
| [ 113.004202][ T1194] WARNING: CPU: 0 PID: 1194 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) 
| [  113.004830][ T1194] Modules linked in: vxlan
| [  113.005817][ T1194] Tainted: [W]=WARN
[  113.006063][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 113.006455][ T1194] 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) 
[ 113.006780][ T1194] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  113.007915][ T1194] RSP: 0018:ffffc900008d6ef0 EFLAGS: 00010246
[  113.008325][ T1194] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[  113.008793][ T1194] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  113.009269][ T1194] RBP: ffffc900008d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  113.009740][ T1194] R10: ffffc900008d7008 R11: ffffffffbd0ceab8 R12: 1ffff9200011ade2
[  113.010239][ T1194] R13: 00000000000005dc R14: ffffc900008d7008 R15: ffff88800b6caf48
[  113.010714][ T1194] FS:  00007f19fecea800(0000) GS:ffff8880aeb99000(0000) knlGS:0000000000000000
[  113.011273][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  113.011668][ T1194] CR2: 00000000004e6e08 CR3: 000000000c9cf005 CR4: 0000000000772ef0
[  113.012150][ T1194] PKRU: 55555554
[  113.012391][ T1194] Call Trace:
[  113.012626][ T1194]  <TASK>
[ 113.012790][ T1194] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 113.013118][ T1194] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 113.013444][ T1194] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 113.013831][ T1194] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 113.014308][ T1194] netif_set_mtu (net/core/dev.c:9652) 
[ 113.014626][ T1194] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 113.014949][ T1194] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 113.015542][ T1194] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 113.015777][ T1194] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 113.016142][ T1194] br_add_if (net/bridge/br_if.c:697) 
[ 113.016392][ T1194] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 113.016707][ T1194] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 113.017039][ T1194] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 113.017364][ T1194] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 113.017758][ T1194] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 113.018079][ T1194] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 113.018392][ T1194] ? __kernel_text_address (kernel/extable.c:79) 
[ 113.018706][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.019037][ T1194] ? __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) 
[ 113.019351][ T1194] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 113.019715][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.020020][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.020331][ T1194] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 113.020640][ T1194] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 113.020947][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.021273][ T1194] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 113.021583][ T1194] ? __create_object (mm/kmemleak.c:771) 
[ 113.021892][ T1194] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 113.022212][ T1194] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 113.022526][ T1194] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 113.022907][ T1194] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 113.023230][ T1194] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 113.023555][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.023867][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.024191][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.024505][ T1194] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 113.024816][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.025137][ T1194] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 113.025452][ T1194] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 113.025763][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.026093][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.026413][ T1194] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 113.026724][ T1194] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 113.027043][ T1194] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 113.027369][ T1194] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 113.027679][ T1194] ? 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) 
[ 113.027997][ T1194] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 113.028315][ T1194] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 113.028627][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.028950][ T1194] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 113.029272][ T1194] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 113.029587][ T1194] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 113.029907][ T1194] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 113.030229][ T1194] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 113.030547][ T1194] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 113.030949][ T1194] ___sys_sendmsg (net/socket.c:2670) 
[ 113.031268][ T1194] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 113.031577][ T1194] ? __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) 
[ 113.031975][ T1194] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 113.032288][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.032602][ T1194] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 113.032924][ T1194] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 113.033246][ T1194] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 113.033569][ T1194] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 113.033888][ T1194] __sys_sendmsg (net/socket.c:2700) 
[ 113.034206][ T1194] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 113.034595][ T1194] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 113.034919][ T1194] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 113.035244][ T1194] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 113.035554][ T1194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  113.035939][ T1194] RIP: 0033:0x7f19feeb71e7
[ 113.036267][ T1194] 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)
[  113.037390][ T1194] RSP: 002b:00007ffd2a9cace8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  113.037864][ T1194] RAX: ffffffffffffffda RBX: 00007ffd2a9cb410 RCX: 00007f19feeb71e7
[  113.038334][ T1194] RDX: 0000000000000000 RSI: 00007ffd2a9cad50 RDI: 0000000000000005
[  113.038802][ T1194] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  113.039287][ T1194] R10: 000000003c64e910 R11: 0000000000000246 R12: 0000000000000004
[  113.039752][ T1194] R13: 00000000686e773e R14: 0000000000499600 R15: 0000000000000000
| [  116.740751][ T1257] ------------[ cut here ]------------
| [ 116.742239][ T1257] WARNING: CPU: 1 PID: 1257 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) 
| [  116.742827][ T1257] Modules linked in: vxlan
| [  116.743752][ T1257] Tainted: [W]=WARN
[  116.744002][ T1257] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 116.744373][ T1257] 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) 
[ 116.744683][ T1257] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  116.745741][ T1257] RSP: 0018:ffffc90000b76f60 EFLAGS: 00010246
[  116.746125][ T1257] RAX: 0000000000000000 RBX: ffff88800b6ca000 RCX: 0000000000000001
[  116.746571][ T1257] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  116.747017][ T1257] RBP: ffffc90000b77050 R08: 0000000000000000 R09: 0000000000000000
[  116.747459][ T1257] R10: ffffc90000b77080 R11: ffffffffbc78d1e0 R12: 1ffff9200016edf0
[  116.747896][ T1257] R13: 00000000000005dc R14: ffffc90000b77080 R15: ffff88800b6caf48
[  116.748376][ T1257] FS:  00007f30d8966800(0000) GS:ffff8880aec19000(0000) knlGS:0000000000000000
[  116.748892][ T1257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  116.749270][ T1257] CR2: 00000000004e62d8 CR3: 000000000bfe3001 CR4: 0000000000772ef0
[  116.749714][ T1257] PKRU: 55555554
[  116.749934][ T1257] Call Trace:
[  116.750163][ T1257]  <TASK>
[ 116.750313][ T1257] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 116.750611][ T1257] ? __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) 
[ 116.750989][ T1257] ? br_del_if (net/bridge/br_if.c:742) 
[ 116.751214][ T1257] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 116.751512][ T1257] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 116.751804][ T1257] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.752115][ T1257] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.752408][ T1257] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.752699][ T1257] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.752996][ T1257] ? ___sys_sendmsg (net/socket.c:2670) 
[ 116.753295][ T1257] ? __sys_sendmsg (net/socket.c:2700) 
[ 116.753598][ T1257] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.753892][ T1257] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 116.754263][ T1257] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.754569][ T1257] netif_set_mtu (net/core/dev.c:9652) 
[ 116.754869][ T1257] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 116.755193][ T1257] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 116.755422][ T1257] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 116.755723][ T1257] br_del_if (net/bridge/br_if.c:743) 
[ 116.755949][ T1257] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 116.756261][ T1257] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 116.756556][ T1257] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 116.756855][ T1257] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 116.757169][ T1257] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 116.757548][ T1257] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 116.757845][ T1257] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 116.758149][ T1257] ? __kernel_text_address (kernel/extable.c:79) 
[ 116.758449][ T1257] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.758747][ T1257] ? __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) 
[ 116.759048][ T1257] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 116.759419][ T1257] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.759721][ T1257] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.760032][ T1257] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 116.760327][ T1257] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 116.760627][ T1257] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.760926][ T1257] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 116.761228][ T1257] ? __create_object (mm/kmemleak.c:771) 
[ 116.761525][ T1257] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 116.761820][ T1257] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 116.762126][ T1257] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 116.762492][ T1257] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 116.762793][ T1257] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 116.763100][ T1257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.763411][ T1257] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.763712][ T1257] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.764027][ T1257] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 116.764321][ T1257] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.764619][ T1257] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 116.764915][ T1257] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 116.765219][ T1257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.765525][ T1257] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.765825][ T1257] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 116.766127][ T1257] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 116.766423][ T1257] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 116.766731][ T1257] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 116.767030][ T1257] ? 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) 
[ 116.767325][ T1257] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 116.767627][ T1257] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 116.767920][ T1257] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.768235][ T1257] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 116.768535][ T1257] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 116.768828][ T1257] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 116.769136][ T1257] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 116.769433][ T1257] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 116.769726][ T1257] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 116.770117][ T1257] ___sys_sendmsg (net/socket.c:2670) 
[ 116.770411][ T1257] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 116.770703][ T1257] ? __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) 
[ 116.771077][ T1257] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 116.771376][ T1257] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.771674][ T1257] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 116.771997][ T1257] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 116.772542][ T1257] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 116.772839][ T1257] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 116.773147][ T1257] __sys_sendmsg (net/socket.c:2700) 
[ 116.773452][ T1257] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 116.773817][ T1257] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 116.774134][ T1257] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 116.774436][ T1257] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 116.774735][ T1257] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  116.775111][ T1257] RIP: 0033:0x7f30d8b331e7
[ 116.775416][ T1257] 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)
[  116.776479][ T1257] RSP: 002b:00007fffee865d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  116.776928][ T1257] RAX: ffffffffffffffda RBX: 00007fffee8664b0 RCX: 00007f30d8b331e7
[  116.777375][ T1257] RDX: 0000000000000000 RSI: 00007fffee865df0 RDI: 0000000000000005
[  116.777812][ T1257] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  116.778261][ T1257] R10: 00007f30d8a30ee8 R11: 0000000000000246 R12: 0000000000000003
[  116.778708][ T1257] R13: 00000000686e7742 R14: 0000000000499600 R15: 0000000000000000
| [  122.116689][ T1366] ------------[ cut here ]------------
| [ 122.117250][ T1366] WARNING: CPU: 2 PID: 1366 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) 
| [  122.117857][ T1366] Modules linked in: vxlan
| [  122.118794][ T1366] Tainted: [W]=WARN
[  122.119038][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 122.119420][ T1366] 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) 
[ 122.119735][ T1366] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  122.120842][ T1366] RSP: 0018:ffffc90001036ef0 EFLAGS: 00010246
[  122.121252][ T1366] RAX: 0000000000000000 RBX: ffff888018bf2000 RCX: 0000000000000001
[  122.121735][ T1366] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  122.122219][ T1366] RBP: ffffc90001036fd8 R08: 0000000000000000 R09: 0000000000000000
[  122.122681][ T1366] R10: ffffc90001037008 R11: ffffffffbd0ceab8 R12: 1ffff92000206de2
[  122.123152][ T1366] R13: 00000000000005dc R14: ffffc90001037008 R15: ffff888018bf2f48
[  122.123623][ T1366] FS:  00007f53217a8800(0000) GS:ffff8880aec99000(0000) knlGS:0000000000000000
[  122.124182][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  122.124578][ T1366] CR2: 00000000004e5980 CR3: 0000000004e01004 CR4: 0000000000772ef0
[  122.125057][ T1366] PKRU: 55555554
[  122.125297][ T1366] Call Trace:
[  122.125532][ T1366]  <TASK>
[ 122.125702][ T1366] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 122.126045][ T1366] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 122.126368][ T1366] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 122.126756][ T1366] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 122.127081][ T1366] netif_set_mtu (net/core/dev.c:9652) 
[ 122.127392][ T1366] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 122.127715][ T1366] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 122.128142][ T1366] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 122.128387][ T1366] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 122.129000][ T1366] br_add_if (net/bridge/br_if.c:697) 
[ 122.129251][ T1366] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2949) 
[ 122.129559][ T1366] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 122.129876][ T1366] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 122.130200][ T1366] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 122.130591][ T1366] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 122.130907][ T1366] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 122.131224][ T1366] ? __kernel_text_address (kernel/extable.c:79) 
[ 122.131539][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.131858][ T1366] ? __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) 
[ 122.132190][ T1366] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 122.132571][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.132886][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.133215][ T1366] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 122.133535][ T1366] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 122.133851][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.134174][ T1366] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 122.134483][ T1366] ? __create_object (mm/kmemleak.c:771) 
[ 122.134798][ T1366] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 122.135125][ T1366] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 122.135441][ T1366] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 122.135824][ T1366] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 122.136165][ T1366] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 122.136490][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.136800][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.137124][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.137436][ T1366] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 122.137743][ T1366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.138094][ T1366] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.138409][ T1366] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 122.138720][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.139051][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.139371][ T1366] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 122.139681][ T1366] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.140002][ T1366] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 122.140324][ T1366] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 122.140640][ T1366] ? 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) 
[ 122.140953][ T1366] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 122.141281][ T1366] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 122.141590][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.141908][ T1366] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 122.142232][ T1366] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 122.142543][ T1366] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 122.142861][ T1366] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 122.143182][ T1366] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 122.143509][ T1366] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 122.143905][ T1366] ___sys_sendmsg (net/socket.c:2670) 
[ 122.144231][ T1366] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 122.144543][ T1366] ? __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) 
[ 122.144932][ T1366] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 122.145254][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.145586][ T1366] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.145914][ T1366] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 122.146237][ T1366] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 122.146550][ T1366] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.146875][ T1366] __sys_sendmsg (net/socket.c:2700) 
[ 122.147197][ T1366] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 122.147583][ T1366] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 122.147906][ T1366] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.148236][ T1366] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 122.148556][ T1366] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  122.148938][ T1366] RIP: 0033:0x7f53219751e7
[ 122.149267][ T1366] 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)
[  122.150352][ T1366] RSP: 002b:00007fff2b700478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  122.150813][ T1366] RAX: ffffffffffffffda RBX: 00007fff2b700ba0 RCX: 00007f53219751e7
[  122.151714][ T1366] RDX: 0000000000000000 RSI: 00007fff2b7004e0 RDI: 0000000000000005
[  122.152843][ T1366] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  122.153541][ T1366] R10: 0000000031109910 R11: 0000000000000246 R12: 0000000000000004
[  122.154007][ T1366] R13: 00000000686e7747 R14: 0000000000499600 R15: 0000000000000000
| [  125.802544][ T1428] ------------[ cut here ]------------
| [ 125.802885][ T1428] WARNING: CPU: 2 PID: 1428 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) 
| [  125.804042][ T1428] Modules linked in: vxlan
| [  125.805000][ T1428] Tainted: [W]=WARN
[  125.805244][ T1428] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.805629][ T1428] 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) 
[ 125.805946][ T1428] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[  125.807037][ T1428] RSP: 0018:ffffc90001246f60 EFLAGS: 00010246
[  125.807449][ T1428] RAX: 0000000000000000 RBX: ffff888018bf2000 RCX: 0000000000000001
[  125.807902][ T1428] RDX: 0000000000000000 RSI: ffffffffbbd10751 RDI: ffffffffbb458280
[  125.808370][ T1428] RBP: ffffc90001247050 R08: 0000000000000000 R09: 0000000000000000
[  125.808838][ T1428] R10: ffffc90001247080 R11: ffffffffbc78d1e0 R12: 1ffff92000248df0
[  125.809293][ T1428] R13: 00000000000005dc R14: ffffc90001247080 R15: ffff888018bf2f48
[  125.809735][ T1428] FS:  00007f9b0b03b800(0000) GS:ffff8880aec99000(0000) knlGS:0000000000000000
[  125.810266][ T1428] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.810644][ T1428] CR2: 00000000004e5980 CR3: 0000000015c54004 CR4: 0000000000772ef0
[  125.811112][ T1428] PKRU: 55555554
[  125.811368][ T1428] Call Trace:
[  125.811601][ T1428]  <TASK>
[ 125.811763][ T1428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 125.812088][ T1428] ? __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) 
[ 125.812483][ T1428] ? br_del_if (net/bridge/br_if.c:742) 
[ 125.812717][ T1428] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 125.813029][ T1428] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 125.813330][ T1428] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.813664][ T1428] ? netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.813979][ T1428] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.814287][ T1428] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.814608][ T1428] ? ___sys_sendmsg (net/socket.c:2670) 
[ 125.814911][ T1428] ? __sys_sendmsg (net/socket.c:2700) 
[ 125.815232][ T1428] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.815560][ T1428] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 125.815941][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.816269][ T1428] netif_set_mtu (net/core/dev.c:9652) 
[ 125.816581][ T1428] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 125.816901][ T1428] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 125.817174][ T1428] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 125.817484][ T1428] br_del_if (net/bridge/br_if.c:743) 
[ 125.817716][ T1428] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 125.818065][ T1428] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 125.818369][ T1428] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 125.818676][ T1428] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 125.819004][ T1428] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 125.819413][ T1428] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 125.819729][ T1428] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 125.820053][ T1428] ? __kernel_text_address (kernel/extable.c:79) 
[ 125.820367][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.820680][ T1428] ? __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) 
[ 125.821003][ T1428] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 125.821385][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.821699][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.822016][ T1428] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 125.822315][ T1428] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 125.822618][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.822921][ T1428] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 125.823243][ T1428] ? __create_object (mm/kmemleak.c:771) 
[ 125.823585][ T1428] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 125.823899][ T1428] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 125.824222][ T1428] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 125.824617][ T1428] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 125.824923][ T1428] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 125.825240][ T1428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.825540][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.825851][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.826160][ T1428] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 125.826458][ T1428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.826768][ T1428] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.827090][ T1428] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 125.827423][ T1428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.827738][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.828063][ T1428] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.828374][ T1428] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.828684][ T1428] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 125.829014][ T1428] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 125.829325][ T1428] ? 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) 
[ 125.829641][ T1428] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.829945][ T1428] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 125.830256][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.830561][ T1428] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.830869][ T1428] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 125.831189][ T1428] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 125.831530][ T1428] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.831839][ T1428] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 125.832155][ T1428] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 125.832558][ T1428] ___sys_sendmsg (net/socket.c:2670) 
[ 125.832856][ T1428] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 125.833163][ T1428] ? __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) 
[ 125.833567][ T1428] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 125.833882][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.834214][ T1428] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.834532][ T1428] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.834844][ T1428] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 125.835174][ T1428] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.835495][ T1428] __sys_sendmsg (net/socket.c:2700) 
[ 125.835800][ T1428] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 125.836196][ T1428] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 125.836525][ T1428] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.836831][ T1428] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.837143][ T1428] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.837515][ T1428] RIP: 0033:0x7f9b0b2081e7
[ 125.837847][ T1428] 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)
[  125.838938][ T1428] RSP: 002b:00007ffe3c1e05a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  125.839426][ T1428] RAX: ffffffffffffffda RBX: 00007ffe3c1e0cd0 RCX: 00007f9b0b2081e7
[  125.839906][ T1428] RDX: 0000000000000000 RSI: 00007ffe3c1e0610 RDI: 0000000000000005
[  125.840375][ T1428] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  125.840840][ T1428] R10: 00007f9b0b105ee8 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