======================================
| [   18.791348][  T310] br0: port 1(swp1) entered forwarding state
| [   18.793525][  T310] ------------[ cut here ]------------
| [ 18.793852][ T310] WARNING: CPU: 1 PID: 310 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) 
| [   18.794497][  T310] Modules linked in:
[   18.795446][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.795846][ T310] 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) 
[ 18.796198][ T310] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   18.797340][  T310] RSP: 0018:ffffc90000da6ef0 EFLAGS: 00010246
[   18.797746][  T310] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[   18.798249][  T310] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   18.798725][  T310] RBP: ffffc90000da6fd8 R08: 0000000000000000 R09: 0000000000000000
[   18.799206][  T310] R10: ffffc90000da7008 R11: ffffffff8698d1e0 R12: 1ffff920001b4de2
[   18.799682][  T310] R13: 00000000000005dc R14: ffffc90000da7008 R15: ffff88800ed3af48
[   18.800184][  T310] FS:  00007f2988b58800(0000) GS:ffff8880e4a19000(0000) knlGS:0000000000000000
[   18.800746][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.801160][  T310] CR2: 00000000004e6888 CR3: 0000000004f6d001 CR4: 0000000000772ef0
[   18.801637][  T310] PKRU: 55555554
[   18.801882][  T310] Call Trace:
[   18.802128][  T310]  <TASK>
[ 18.802296][ T310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.802613][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.802961][ T310] netif_set_mtu (net/core/dev.c:9652) 
[ 18.803283][ T310] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 18.803618][ T310] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 18.803856][ T310] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 18.804197][ T310] br_add_if (net/bridge/br_if.c:697) 
[ 18.804450][ T310] do_set_master (net/core/rtnetlink.c:2948) 
[ 18.804772][ T310] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 18.805104][ T310] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.805505][ T310] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.805818][ T310] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.806141][ T310] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.806463][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.806785][ T310] ? __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) 
[ 18.807110][ T310] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.807509][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.807823][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.808170][ T310] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.808488][ T310] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.808803][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.809128][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.809440][ T310] ? __create_object (mm/kmemleak.c:771) 
[ 18.809753][ T310] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.810082][ T310] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.810400][ T310] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.810787][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.811116][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.811436][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.811753][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.812091][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.812407][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.812721][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.813047][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.813360][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.813674][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.814002][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.814321][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.814636][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.814966][ T310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.815293][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.815607][ T310] ? 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) 
[ 18.815923][ T310] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.816260][ T310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.816577][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.816904][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.817234][ T310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.817551][ T310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.817870][ T310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.818206][ T310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.818519][ T310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.818921][ T310] ___sys_sendmsg (net/socket.c:2670) 
[ 18.819251][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.819565][ T310] ? __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) 
[ 18.819978][ T310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.820301][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.820617][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.820933][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.821259][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.821578][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.821910][ T310] __sys_sendmsg (net/socket.c:2700) 
[ 18.822227][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.822609][ T310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.822970][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.823288][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.823607][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.824021][  T310] RIP: 0033:0x7f2988d251e7
[ 18.824352][ T310] 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)
[   18.825474][  T310] RSP: 002b:00007ffcf9283a08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.825960][  T310] RAX: ffffffffffffffda RBX: 00007ffcf9284140 RCX: 00007f2988d251e7
[   18.826436][  T310] RDX: 0000000000000000 RSI: 00007ffcf9283a70 RDI: 0000000000000005
[   18.826910][  T310] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   18.827396][  T310] R10: 000000000ba31910 R11: 0000000000000246 R12: 0000000000000004
[   18.827869][  T310] R13: 00000000686e54a6 R14: 0000000000499600 R15: 0000000000000000
| [   19.230774][  T312] ------------[ cut here ]------------
| [ 19.231140][ T312] WARNING: CPU: 0 PID: 312 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) 
| [   19.231816][  T312] Modules linked in: vxlan
| [   19.233206][  T312] Tainted: [W]=WARN
[   19.233480][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.233907][ T312] 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) 
[ 19.234270][ T312] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   19.235493][  T312] RSP: 0018:ffffc90000dc7080 EFLAGS: 00010246
[   19.235926][  T312] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[   19.236448][  T312] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   19.236966][  T312] RBP: ffffc90000dc7168 R08: 0000000000000000 R09: 0000000000000000
[   19.237484][  T312] R10: ffffc90000dc7198 R11: ffffffff872ceab8 R12: 1ffff920001b8e14
[   19.238003][  T312] R13: 00000000000005dc R14: ffffc90000dc7198 R15: ffff88800ed3af48
[   19.238534][  T312] FS:  00007f7b88906800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   19.239142][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.239593][  T312] CR2: 000000000043d940 CR3: 00000000026dc003 CR4: 0000000000772ef0
[   19.240117][  T312] PKRU: 55555554
[   19.240376][  T312] Call Trace:
[   19.240631][  T312]  <TASK>
[ 19.240807][ T312] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.241166][ T312] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 19.241515][ T312] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 19.241956][ T312] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 19.242302][ T312] netif_set_mtu (net/core/dev.c:9652) 
[ 19.242642][ T312] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 19.243005][ T312] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 19.243437][ T312] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 19.243698][ T312] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 19.244055][ T312] br_add_if (net/bridge/br_if.c:697) 
[ 19.244328][ T312] do_set_master (net/core/rtnetlink.c:2948) 
[ 19.244675][ T312] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 19.245036][ T312] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 19.245382][ T312] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 19.245720][ T312] ? __dev_get_by_name (net/core/dev.c:865) 
[ 19.246069][ T312] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 19.246411][ T312] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 19.246757][ T312] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.247111][ T312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 19.247460][ T312] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 19.247814][ T312] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.248193][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.248551][ T312] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.248892][ T312] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.249247][ T312] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.249592][ T312] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.249952][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.250299][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.250647][ T312] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.251001][ T312] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.251346][ T312] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.251699][ T312] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.252050][ T312] ? 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) 
[ 19.252401][ T312] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.252743][ T312] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.253094][ T312] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.253447][ T312] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.253792][ T312] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.254144][ T312] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.254498][ T312] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.254849][ T312] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.255196][ T312] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.255633][ T312] ___sys_sendmsg (net/socket.c:2670) 
[ 19.255984][ T312] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.256328][ T312] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 19.256671][ T312] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 19.257021][ T312] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 19.257372][ T312] ? __handle_mm_fault (mm/memory.c:6212) 
[ 19.257712][ T312] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 19.258064][ T312] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 19.258434][ T312] __sys_sendmsg (net/socket.c:2700) 
[ 19.258777][ T312] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.259132][ T312] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 19.259490][ T312] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 19.259836][ T312] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.260194][ T312] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.260542][ T312] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.260974][  T312] RIP: 0033:0x7f7b88ad31e7
[ 19.261331][ T312] Code: Unable to access opcode bytes at 0x7f7b88ad31bd.

Code starting with the faulting instruction
===========================================
[   19.261776][  T312] RSP: 002b:00007fff6d993268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.262305][  T312] RAX: ffffffffffffffda RBX: 00007fff6d9939a0 RCX: 00007f7b88ad31e7
[   19.262821][  T312] RDX: 0000000000000000 RSI: 00007fff6d9932d0 RDI: 0000000000000005
[   19.263343][  T312] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   19.263855][  T312] R10: 00007f7b88b61ac0 R11: 0000000000000246 R12: 00007fff6d9939d8
[   19.264386][  T312] R13: 00000000686e54a6 R14: 0000000000499600 R15: 00007fff6d9933c0
| [   20.798383][  T326] ------------[ cut here ]------------
| [ 20.798738][ T326] WARNING: CPU: 0 PID: 326 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) 
| [   20.799412][  T326] Modules linked in: vxlan
| [   20.800464][  T326] Tainted: [W]=WARN
[   20.800729][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.801172][ T326] 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) 
[ 20.801522][ T326] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   20.802724][  T326] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   20.803169][  T326] RAX: 0000000000000000 RBX: ffff88800ec92000 RCX: 0000000000000001
[   20.803671][  T326] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   20.804179][  T326] RBP: ffffc90000536fd8 R08: 0000000000000000 R09: 0000000000000000
[   20.804695][  T326] R10: ffffc90000537008 R11: ffffffff8698d1e0 R12: 1ffff920000a6de2
[   20.805220][  T326] R13: 00000000000005dc R14: ffffc90000537008 R15: ffff88800ec92f48
[   20.805729][  T326] FS:  00007f02e4fb3800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   20.806319][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.806740][  T326] CR2: 00000000004e6888 CR3: 000000000e1a8004 CR4: 0000000000772ef0
[   20.807252][  T326] PKRU: 55555554
[   20.807510][  T326] Call Trace:
[   20.807758][  T326]  <TASK>
[ 20.807930][ T326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.808293][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.808640][ T326] netif_set_mtu (net/core/dev.c:9652) 
[ 20.808993][ T326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.809347][ T326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.809604][ T326] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 20.809963][ T326] br_add_if (net/bridge/br_if.c:697) 
[ 20.810228][ T326] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.810566][ T326] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.810907][ T326] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.811344][ T326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.811680][ T326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.812023][ T326] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.812369][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.812707][ T326] ? __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) 
[ 20.813061][ T326] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.813478][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.813813][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.814155][ T326] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.814489][ T326] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.814823][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.815175][ T326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.815508][ T326] ? __create_object (mm/kmemleak.c:771) 
[ 20.815845][ T326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.816190][ T326] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.816530][ T326] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.816968][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.817313][ T326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.817657][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.818005][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.818369][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.818704][ T326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.819079][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.819422][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.819757][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.820106][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.820451][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.820790][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.821144][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.821485][ T326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.821832][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.822174][ T326] ? 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) 
[ 20.822512][ T326] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.822855][ T326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.823198][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.823540][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.823880][ T326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.824225][ T326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.824566][ T326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.824900][ T326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.825257][ T326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.825688][ T326] ___sys_sendmsg (net/socket.c:2670) 
[ 20.826037][ T326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.826370][ T326] ? __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) 
[ 20.826787][ T326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.827133][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.827471][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.827815][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.828173][ T326] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.828509][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.828852][ T326] __sys_sendmsg (net/socket.c:2700) 
[ 20.829203][ T326] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.829619][ T326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.829979][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.830320][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.830661][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.831084][  T326] RIP: 0033:0x7f02e51801e7
[ 20.831429][ T326] 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)
[   20.832634][  T326] RSP: 002b:00007ffc321346a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.833162][  T326] RAX: ffffffffffffffda RBX: 00007ffc32134de0 RCX: 00007f02e51801e7
[   20.833669][  T326] RDX: 0000000000000000 RSI: 00007ffc32134710 RDI: 0000000000000005
[   20.834176][  T326] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.834674][  T326] R10: 000000002d188910 R11: 0000000000000246 R12: 0000000000000004
[   20.835187][  T326] R13: 00000000686e54a8 R14: 0000000000499600 R15: 0000000000000000
| [   21.100116][  T328] ------------[ cut here ]------------
| [ 21.100468][ T328] WARNING: CPU: 0 PID: 328 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.101649][  T328] Modules linked in: vxlan
| [   21.102705][  T328] Tainted: [W]=WARN
[   21.102974][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.103412][ T328] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.103765][ T328] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.105004][  T328] RSP: 0018:ffffc90000547080 EFLAGS: 00010246
[   21.105444][  T328] RAX: 0000000000000000 RBX: ffff88800ec92000 RCX: 0000000000000001
[   21.105971][  T328] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   21.106483][  T328] RBP: ffffc90000547168 R08: 0000000000000000 R09: 0000000000000000
[   21.107011][  T328] R10: ffffc90000547198 R11: ffffffff872ceab8 R12: 1ffff920000a8e14
[   21.107524][  T328] R13: 00000000000005dc R14: ffffc90000547198 R15: ffff88800ec92f48
[   21.108050][  T328] FS:  00007f77a8aaa800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   21.108659][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.109110][  T328] CR2: 000000000043d940 CR3: 000000000e1a8001 CR4: 0000000000772ef0
[   21.109628][  T328] PKRU: 55555554
[   21.109885][  T328] Call Trace:
[   21.110148][  T328]  <TASK>
[ 21.110330][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.110681][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.111034][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.111459][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.111804][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.112160][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.112512][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 21.112970][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.113234][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 21.113580][ T328] br_add_if (net/bridge/br_if.c:697) 
[ 21.113851][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.114203][ T328] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 21.114548][ T328] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 21.114894][ T328] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 21.115249][ T328] ? __dev_get_by_name (net/core/dev.c:865) 
[ 21.115592][ T328] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.115945][ T328] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 21.116294][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.116634][ T328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.116999][ T328] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 21.117361][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.117709][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.118083][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.118434][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.118779][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.119129][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.119474][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.119821][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.120178][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.120521][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.120871][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.121245][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.121591][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.121947][ T328] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.122294][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.122635][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.122997][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.123344][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.123687][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.124044][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.124388][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.124728][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.125184][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.125531][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.125878][ T328] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 21.126231][ T328] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 21.126572][ T328] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 21.126917][ T328] ? __handle_mm_fault (mm/memory.c:6212) 
[ 21.127268][ T328] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 21.127609][ T328] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 21.127986][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.128355][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.128698][ T328] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 21.129065][ T328] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 21.129411][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.129756][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.130109][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.130538][  T328] RIP: 0033:0x7f77a8c771e7
[ 21.130895][ T328] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.132134][  T328] RSP: 002b:00007ffd30d760e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.132655][  T328] RAX: ffffffffffffffda RBX: 00007ffd30d76820 RCX: 00007f77a8c771e7
[   21.133196][  T328] RDX: 0000000000000000 RSI: 00007ffd30d76150 RDI: 0000000000000005
[   21.133720][  T328] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   21.134259][  T328] R10: 00007f77a8d05ac0 R11: 0000000000000246 R12: 00007ffd30d76858
[   21.134770][  T328] R13: 00000000686e54a8 R14: 0000000000499600 R15: 00007ffd30d76240
| [   42.472093][  T516] ------------[ cut here ]------------
| [ 42.472410][ T516] WARNING: CPU: 0 PID: 516 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) 
| [   42.473054][  T516] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   42.474180][  T516] Tainted: [W]=WARN
[   42.474419][  T516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.474812][ T516] 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) 
[ 42.475142][ T516] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   42.476263][  T516] RSP: 0018:ffffc90000ca6ef0 EFLAGS: 00010246
[   42.476665][  T516] RAX: 0000000000000000 RBX: ffff88800cf8a000 RCX: 0000000000000001
[   42.477154][  T516] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   42.477620][  T516] RBP: ffffc90000ca6fd8 R08: 0000000000000000 R09: 0000000000000000
[   42.478105][  T516] R10: ffffc90000ca7008 R11: ffffffff8698d1e0 R12: 1ffff92000194de2
[   42.478585][  T516] R13: 00000000000005dc R14: ffffc90000ca7008 R15: ffff88800cf8af48
[   42.479061][  T516] FS:  00007fa6e586c800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   42.479610][  T516] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.480012][  T516] CR2: 00000000004e6888 CR3: 000000000f763001 CR4: 0000000000772ef0
[   42.480482][  T516] PKRU: 55555554
[   42.480714][  T516] Call Trace:
[   42.480955][  T516]  <TASK>
[ 42.481118][ T516] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.481434][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.481779][ T516] netif_set_mtu (net/core/dev.c:9652) 
[ 42.482101][ T516] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.482429][ T516] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.482668][ T516] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 42.483005][ T516] br_add_if (net/bridge/br_if.c:697) 
[ 42.483251][ T516] do_set_master (net/core/rtnetlink.c:2948) 
[ 42.483570][ T516] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 42.483890][ T516] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.484294][ T516] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.484628][ T516] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.484948][ T516] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.485276][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.485593][ T516] ? __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) 
[ 42.485921][ T516] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.486321][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.486636][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.486957][ T516] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.487268][ T516] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.487592][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.487902][ T516] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.488243][ T516] ? __create_object (mm/kmemleak.c:771) 
[ 42.488567][ T516] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.488881][ T516] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.489227][ T516] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.489614][ T516] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.489944][ T516] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.490261][ T516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.490570][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.490884][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.491201][ T516] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.491514][ T516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.491825][ T516] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.492144][ T516] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.492458][ T516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.492774][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.493112][ T516] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.493428][ T516] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.493740][ T516] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.494076][ T516] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.494386][ T516] ? 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) 
[ 42.494698][ T516] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.495021][ T516] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.495332][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.495647][ T516] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.495970][ T516] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.496286][ T516] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.496614][ T516] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.496931][ T516] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.497253][ T516] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.497651][ T516] ___sys_sendmsg (net/socket.c:2670) 
[ 42.497967][ T516] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.498290][ T516] ? __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) 
[ 42.498687][ T516] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.499012][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.499329][ T516] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.499648][ T516] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.499967][ T516] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.500280][ T516] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.500598][ T516] __sys_sendmsg (net/socket.c:2700) 
[ 42.500912][ T516] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.501306][ T516] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.501629][ T516] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.501948][ T516] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.502262][ T516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.502650][  T516] RIP: 0033:0x7fa6e5a391e7
[ 42.502976][ T516] 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)
[   42.504094][  T516] RSP: 002b:00007fff9ed55d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.504564][  T516] RAX: ffffffffffffffda RBX: 00007fff9ed56480 RCX: 00007fa6e5a391e7
[   42.505038][  T516] RDX: 0000000000000000 RSI: 00007fff9ed55db0 RDI: 0000000000000005
[   42.505506][  T516] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   42.505975][  T516] R10: 000000000a271910 R11: 0000000000000246 R12: 0000000000000004
[   42.506440][  T516] R13: 00000000686e54be R14: 0000000000499600 R15: 0000000000000000
| [   42.762136][  T518] ------------[ cut here ]------------
| [ 42.762445][ T518] WARNING: CPU: 1 PID: 518 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) 
| [   42.763076][  T518] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   42.764216][  T518] Tainted: [W]=WARN
[   42.764452][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.764847][ T518] 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) 
[ 42.765174][ T518] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   42.766269][  T518] RSP: 0018:ffffc90000cc7080 EFLAGS: 00010246
[   42.766675][  T518] RAX: 0000000000000000 RBX: ffff88800cf8a000 RCX: 0000000000000001
[   42.767154][  T518] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   42.767619][  T518] RBP: ffffc90000cc7168 R08: 0000000000000000 R09: 0000000000000000
[   42.768096][  T518] R10: ffffc90000cc7198 R11: ffffffff8698d1e0 R12: 1ffff92000198e14
[   42.768581][  T518] R13: 00000000000005dc R14: ffffc90000cc7198 R15: ffff88800cf8af48
[   42.769054][  T518] FS:  00007f06b2855800(0000) GS:ffff8880e4a19000(0000) knlGS:0000000000000000
[   42.769597][  T518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.769988][  T518] CR2: 00007fc902a77000 CR3: 000000000f73a006 CR4: 0000000000772ef0
[   42.770445][  T518] PKRU: 55555554
[   42.770671][  T518] Call Trace:
[   42.770897][  T518]  <TASK>
[ 42.771070][ T518] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.771381][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.771699][ T518] netif_set_mtu (net/core/dev.c:9652) 
[ 42.772009][ T518] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 42.772328][ T518] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 42.772558][ T518] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 42.772883][ T518] br_add_if (net/bridge/br_if.c:697) 
[ 42.773143][ T518] do_set_master (net/core/rtnetlink.c:2948) 
[ 42.773463][ T518] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 42.773775][ T518] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 42.774107][ T518] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 42.774408][ T518] ? __dev_get_by_name (net/core/dev.c:865) 
[ 42.774717][ T518] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 42.775028][ T518] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 42.775336][ T518] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.775641][ T518] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 42.775956][ T518] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 42.776269][ T518] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.776578][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.776892][ T518] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.777203][ T518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.777509][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.777809][ T518] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.778144][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.778461][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.778778][ T518] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.779098][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.779420][ T518] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.779737][ T518] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.780045][ T518] ? 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) 
[ 42.780354][ T518] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.780657][ T518] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.780967][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.781274][ T518] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.781583][ T518] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.781889][ T518] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.782208][ T518] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.782517][ T518] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.782814][ T518] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.783214][ T518] ___sys_sendmsg (net/socket.c:2670) 
[ 42.783518][ T518] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.783818][ T518] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 42.784140][ T518] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 42.784440][ T518] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 42.784768][ T518] ? __handle_mm_fault (mm/memory.c:6212) 
[ 42.785087][ T518] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 42.785395][ T518] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 42.785731][ T518] __sys_sendmsg (net/socket.c:2700) 
[ 42.786046][ T518] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.786354][ T518] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 42.786672][ T518] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 42.786994][ T518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.787307][ T518] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.787623][ T518] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.788005][  T518] RIP: 0033:0x7f06b2a221e7
[ 42.788353][ T518] 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)
[   42.789477][  T518] RSP: 002b:00007ffe65e37448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.789931][  T518] RAX: ffffffffffffffda RBX: 00007ffe65e37b80 RCX: 00007f06b2a221e7
[   42.790390][  T518] RDX: 0000000000000000 RSI: 00007ffe65e374b0 RDI: 0000000000000005
[   42.790858][  T518] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   42.791336][  T518] R10: 00007f06b2ab0ac0 R11: 0000000000000246 R12: 00007ffe65e37bb8
[   42.791801][  T518] R13: 00000000686e54be R14: 0000000000499600 R15: 00007ffe65e375a0
| [   44.303991][  T531] ------------[ cut here ]------------
| [ 44.304310][ T531] WARNING: CPU: 0 PID: 531 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) 
| [   44.304910][  T531] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   44.306036][  T531] Tainted: [W]=WARN
[   44.306270][  T531] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.306656][ T531] 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) 
[ 44.307012][ T531] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   44.308119][  T531] RSP: 0018:ffffc90000da6ef0 EFLAGS: 00010246
[   44.308524][  T531] RAX: 0000000000000000 RBX: ffff888002232000 RCX: 0000000000000001
[   44.308989][  T531] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   44.309449][  T531] RBP: ffffc90000da6fd8 R08: 0000000000000000 R09: 0000000000000000
[   44.309906][  T531] R10: ffffc90000da7008 R11: ffffffff8698d1e0 R12: 1ffff920001b4de2
[   44.310370][  T531] R13: 00000000000005dc R14: ffffc90000da7008 R15: ffff888002232f48
[   44.310831][  T531] FS:  00007f58fe8f4800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   44.311515][  T531] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.311903][  T531] CR2: 00000000004e6888 CR3: 000000000f6a6005 CR4: 0000000000772ef0
[   44.312501][  T531] PKRU: 55555554
[   44.312731][  T531] Call Trace:
[   44.313095][  T531]  <TASK>
[ 44.313255][ T531] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.313561][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.313882][ T531] netif_set_mtu (net/core/dev.c:9652) 
[ 44.314322][ T531] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.314646][ T531] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.314879][ T531] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 44.315331][ T531] br_add_if (net/bridge/br_if.c:697) 
[ 44.315577][ T531] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.315886][ T531] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 44.316331][ T531] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 44.316718][ T531] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 44.317056][ T531] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 44.317358][ T531] ? __kernel_text_address (kernel/extable.c:79) 
[ 44.317669][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.317985][ T531] ? __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) 
[ 44.318314][ T531] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 44.318692][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.319011][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.319317][ T531] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 44.319620][ T531] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 44.319925][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.320241][ T531] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.320543][ T531] ? __create_object (mm/kmemleak.c:771) 
[ 44.320849][ T531] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 44.321161][ T531] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 44.321466][ T531] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 44.321846][ T531] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 44.322164][ T531] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.322475][ T531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.322781][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.323100][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.323410][ T531] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.323713][ T531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.324030][ T531] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.324335][ T531] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.324646][ T531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.324969][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.325285][ T531] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.325590][ T531] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.325897][ T531] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.326221][ T531] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.326525][ T531] ? 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) 
[ 44.326834][ T531] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.327153][ T531] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.327461][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.327773][ T531] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.328097][ T531] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.328416][ T531] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.328729][ T531] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.329045][ T531] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.329349][ T531] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.329744][ T531] ___sys_sendmsg (net/socket.c:2670) 
[ 44.330054][ T531] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 44.330361][ T531] ? __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) 
[ 44.330741][ T531] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.331061][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.331370][ T531] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.331681][ T531] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 44.331995][ T531] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 44.332300][ T531] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.332614][ T531] __sys_sendmsg (net/socket.c:2700) 
[ 44.332919][ T531] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 44.333307][ T531] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.333624][ T531] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.333930][ T531] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.334253][ T531] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.334632][  T531] RIP: 0033:0x7f58feac11e7
[ 44.334958][ T531] 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)
[   44.336052][  T531] RSP: 002b:00007ffc4e3141f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.336514][  T531] RAX: ffffffffffffffda RBX: 00007ffc4e314930 RCX: 00007f58feac11e7
[   44.336977][  T531] RDX: 0000000000000000 RSI: 00007ffc4e314260 RDI: 0000000000000005
[   44.337436][  T531] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   44.337895][  T531] R10: 000000002b232910 R11: 0000000000000246 R12: 0000000000000004
[   44.338383][  T531] R13: 00000000686e54bf R14: 0000000000499600 R15: 0000000000000000
| [   44.586444][  T533] ------------[ cut here ]------------
| [ 44.586763][ T533] WARNING: CPU: 0 PID: 533 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) 
| [   44.587397][  T533] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   44.588784][  T533] Tainted: [W]=WARN
[   44.589187][  T533] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 44.589596][ T533] 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) 
[ 44.589926][ T533] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   44.591071][  T533] RSP: 0018:ffffc90000db7080 EFLAGS: 00010246
[   44.591473][  T533] RAX: 0000000000000000 RBX: ffff888002232000 RCX: 0000000000000001
[   44.591961][  T533] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   44.592438][  T533] RBP: ffffc90000db7168 R08: 0000000000000000 R09: 0000000000000000
[   44.592918][  T533] R10: ffffc90000db7198 R11: ffffffff8698d1e0 R12: 1ffff920001b6e14
[   44.593405][  T533] R13: 00000000000005dc R14: ffffc90000db7198 R15: ffff888002232f48
[   44.593881][  T533] FS:  00007fa6fff7e800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   44.594444][  T533] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.594844][  T533] CR2: 000000000043d940 CR3: 000000000f6a6001 CR4: 0000000000772ef0
[   44.595333][  T533] PKRU: 55555554
[   44.595574][  T533] Call Trace:
[   44.595812][  T533]  <TASK>
[ 44.595983][ T533] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 44.596306][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.596637][ T533] netif_set_mtu (net/core/dev.c:9652) 
[ 44.596970][ T533] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 44.597305][ T533] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 44.597550][ T533] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 44.597872][ T533] br_add_if (net/bridge/br_if.c:697) 
[ 44.598137][ T533] do_set_master (net/core/rtnetlink.c:2948) 
[ 44.598457][ T533] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 44.598778][ T533] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 44.599108][ T533] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 44.599435][ T533] ? __dev_get_by_name (net/core/dev.c:865) 
[ 44.599754][ T533] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 44.600082][ T533] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 44.600406][ T533] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 44.600720][ T533] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 44.601051][ T533] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 44.601380][ T533] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 44.601703][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.602041][ T533] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 44.602362][ T533] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 44.602683][ T533] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 44.603010][ T533] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 44.603343][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.603666][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.603998][ T533] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 44.604316][ T533] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 44.604638][ T533] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 44.604990][ T533] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 44.605307][ T533] ? 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) 
[ 44.605627][ T533] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 44.605957][ T533] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 44.606276][ T533] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 44.606601][ T533] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 44.606943][ T533] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 44.607267][ T533] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 44.607593][ T533] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 44.607912][ T533] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 44.608261][ T533] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 44.608675][ T533] ___sys_sendmsg (net/socket.c:2670) 
[ 44.609007][ T533] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 44.609328][ T533] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 44.609653][ T533] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 44.609977][ T533] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 44.610300][ T533] ? __handle_mm_fault (mm/memory.c:6212) 
[ 44.610619][ T533] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 44.610946][ T533] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 44.611288][ T533] __sys_sendmsg (net/socket.c:2700) 
[ 44.611611][ T533] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 44.611929][ T533] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 44.612266][ T533] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 44.612587][ T533] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 44.612910][ T533] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 44.613239][ T533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   44.613635][  T533] RIP: 0033:0x7fa70014b1e7
[ 44.613971][ T533] 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)
[   44.615123][  T533] RSP: 002b:00007ffca62be938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   44.615606][  T533] RAX: ffffffffffffffda RBX: 00007ffca62bf070 RCX: 00007fa70014b1e7
[   44.616096][  T533] RDX: 0000000000000000 RSI: 00007ffca62be9a0 RDI: 0000000000000005
[   44.616573][  T533] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   44.617057][  T533] R10: 00007fa7001d9ac0 R11: 0000000000000246 R12: 00007ffca62bf0a8
[   44.617537][  T533] R13: 00000000686e54c0 R14: 0000000000499600 R15: 00007ffca62bea90
| [   71.408331][  T778] ------------[ cut here ]------------
| [ 71.408652][ T778] WARNING: CPU: 0 PID: 778 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) 
| [   71.409303][  T778] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   71.410423][  T778] Tainted: [W]=WARN
[   71.410666][  T778] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.411229][ T778] 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) 
[ 71.411557][ T778] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   71.412679][  T778] RSP: 0018:ffffc90001496ef0 EFLAGS: 00010246
[   71.413117][  T778] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[   71.413585][  T778] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   71.414067][  T778] RBP: ffffc90001496fd8 R08: 0000000000000000 R09: 0000000000000000
[   71.414538][  T778] R10: ffffc90001497008 R11: ffffffff8698d1e0 R12: 1ffff92000292de2
[   71.415157][  T778] R13: 00000000000005dc R14: ffffc90001497008 R15: ffff88800ed3af48
[   71.415629][  T778] FS:  00007f31c4612800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   71.416319][  T778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.416712][  T778] CR2: 00000000004e6888 CR3: 000000000ae9e006 CR4: 0000000000772ef0
[   71.417322][  T778] PKRU: 55555554
[   71.417558][  T778] Call Trace:
[   71.417792][  T778]  <TASK>
[ 71.418103][ T778] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 71.418429][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.418760][ T778] netif_set_mtu (net/core/dev.c:9652) 
[ 71.419161][ T778] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 71.419490][ T778] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 71.419726][ T778] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 71.420056][ T778] br_add_if (net/bridge/br_if.c:697) 
[ 71.420303][ T778] do_set_master (net/core/rtnetlink.c:2948) 
[ 71.420617][ T778] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 71.420933][ T778] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 71.421343][ T778] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 71.421661][ T778] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 71.421989][ T778] ? __kernel_text_address (kernel/extable.c:79) 
[ 71.422326][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.422641][ T778] ? __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) 
[ 71.422964][ T778] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 71.423364][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.423674][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.424009][ T778] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 71.424322][ T778] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 71.424643][ T778] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.424964][ T778] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 71.425271][ T778] ? __create_object (mm/kmemleak.c:771) 
[ 71.425586][ T778] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 71.425903][ T778] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 71.426238][ T778] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 71.426624][ T778] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 71.426953][ T778] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 71.427270][ T778] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.427579][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.427895][ T778] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.428225][ T778] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 71.428543][ T778] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.428857][ T778] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.429176][ T778] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 71.429490][ T778] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.429804][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.430135][ T778] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 71.430460][ T778] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.430774][ T778] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 71.431103][ T778] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 71.431414][ T778] ? 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) 
[ 71.431726][ T778] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 71.432048][ T778] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 71.432373][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.432687][ T778] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 71.433013][ T778] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 71.433328][ T778] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 71.433653][ T778] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 71.433986][ T778] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 71.434299][ T778] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 71.434716][ T778] ___sys_sendmsg (net/socket.c:2670) 
[ 71.435034][ T778] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 71.435351][ T778] ? __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) 
[ 71.435740][ T778] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 71.436063][ T778] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.436386][ T778] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.436704][ T778] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 71.437024][ T778] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 71.437340][ T778] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.437662][ T778] __sys_sendmsg (net/socket.c:2700) 
[ 71.437989][ T778] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 71.438383][ T778] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 71.438708][ T778] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.439031][ T778] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 71.439349][ T778] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.439737][  T778] RIP: 0033:0x7f31c47df1e7
[ 71.440071][ T778] 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)
[   71.441235][  T778] RSP: 002b:00007ffe0f827ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.441705][  T778] RAX: ffffffffffffffda RBX: 00007ffe0f828620 RCX: 00007f31c47df1e7
[   71.442199][  T778] RDX: 0000000000000000 RSI: 00007ffe0f827f50 RDI: 0000000000000005
[   71.442666][  T778] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   71.443140][  T778] R10: 0000000014139910 R11: 0000000000000246 R12: 0000000000000004
[   71.443613][  T778] R13: 00000000686e54db R14: 0000000000499600 R15: 0000000000000000
| [   71.696016][  T780] ------------[ cut here ]------------
| [ 71.696327][ T780] WARNING: CPU: 0 PID: 780 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) 
| [   71.696969][  T780] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   71.698123][  T780] Tainted: [W]=WARN
[   71.698384][  T780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 71.698784][ T780] 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) 
[ 71.699144][ T780] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   71.700288][  T780] RSP: 0018:ffffc900014a7080 EFLAGS: 00010246
[   71.700688][  T780] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[   71.701179][  T780] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   71.701654][  T780] RBP: ffffc900014a7168 R08: 0000000000000000 R09: 0000000000000000
[   71.702149][  T780] R10: ffffc900014a7198 R11: ffffffff872ceab8 R12: 1ffff92000294e14
[   71.702628][  T780] R13: 00000000000005dc R14: ffffc900014a7198 R15: ffff88800ed3af48
[   71.703118][  T780] FS:  00007f1e6e665800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   71.703677][  T780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.704088][  T780] CR2: 000000000043d940 CR3: 000000000ae98002 CR4: 0000000000772ef0
[   71.704570][  T780] PKRU: 55555554
[   71.704811][  T780] Call Trace:
[   71.705059][  T780]  <TASK>
[ 71.705225][ T780] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 71.705553][ T780] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 71.705870][ T780] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 71.706291][ T780] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 71.706618][ T780] netif_set_mtu (net/core/dev.c:9652) 
[ 71.706950][ T780] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 71.707279][ T780] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 71.707687][ T780] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 71.707927][ T780] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 71.708285][ T780] br_add_if (net/bridge/br_if.c:697) 
[ 71.708538][ T780] do_set_master (net/core/rtnetlink.c:2948) 
[ 71.708856][ T780] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 71.709188][ T780] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 71.709513][ T780] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 71.709828][ T780] ? __dev_get_by_name (net/core/dev.c:865) 
[ 71.710171][ T780] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 71.710498][ T780] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 71.710822][ T780] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 71.711150][ T780] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 71.711476][ T780] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 71.711806][ T780] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 71.712141][ T780] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.712475][ T780] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 71.712795][ T780] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 71.713124][ T780] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 71.713443][ T780] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 71.713764][ T780] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.714109][ T780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.714439][ T780] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 71.714760][ T780] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 71.715123][ T780] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 71.715458][ T780] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 71.715775][ T780] ? 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) 
[ 71.716109][ T780] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 71.716432][ T780] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 71.716749][ T780] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 71.717081][ T780] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 71.717411][ T780] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 71.717730][ T780] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 71.718073][ T780] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 71.718412][ T780] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 71.718730][ T780] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 71.719147][ T780] ___sys_sendmsg (net/socket.c:2670) 
[ 71.719470][ T780] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 71.719794][ T780] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 71.720126][ T780] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 71.720444][ T780] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 71.720766][ T780] ? __handle_mm_fault (mm/memory.c:6212) 
[ 71.721091][ T780] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 71.721407][ T780] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 71.721754][ T780] __sys_sendmsg (net/socket.c:2700) 
[ 71.722098][ T780] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 71.722427][ T780] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 71.722751][ T780] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 71.723079][ T780] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 71.723400][ T780] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 71.723720][ T780] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.724119][  T780] RIP: 0033:0x7f1e6e8321e7
[ 71.724449][ T780] 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)
[   71.725600][  T780] RSP: 002b:00007ffe95c1b5c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.726099][  T780] RAX: ffffffffffffffda RBX: 00007ffe95c1bd00 RCX: 00007f1e6e8321e7
[   71.726576][  T780] RDX: 0000000000000000 RSI: 00007ffe95c1b630 RDI: 0000000000000005
[   71.727058][  T780] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   71.727535][  T780] R10: 00007f1e6e8c0ac0 R11: 0000000000000246 R12: 00007ffe95c1bd38
[   71.728028][  T780] R13: 00000000686e54db R14: 0000000000499600 R15: 00007ffe95c1b720
| [   73.248533][  T793] ------------[ cut here ]------------
| [ 73.248849][ T793] WARNING: CPU: 0 PID: 793 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) 
| [   73.249479][  T793] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   73.250647][  T793] Tainted: [W]=WARN
[   73.250884][  T793] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.251281][ T793] 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) 
[ 73.251601][ T793] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   73.252729][  T793] RSP: 0018:ffffc90001566ef0 EFLAGS: 00010246
[   73.253128][  T793] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   73.253594][  T793] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   73.254067][  T793] RBP: ffffc90001566fd8 R08: 0000000000000000 R09: 0000000000000000
[   73.254542][  T793] R10: ffffc90001567008 R11: ffffffff8698d1e0 R12: 1ffff920002acde2
[   73.255019][  T793] R13: 00000000000005dc R14: ffffc90001567008 R15: ffff88800b71af48
[   73.255499][  T793] FS:  00007f5743e2e800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   73.256077][  T793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.256471][  T793] CR2: 00000000004e6888 CR3: 000000000bbac005 CR4: 0000000000772ef0
[   73.256955][  T793] PKRU: 55555554
[   73.257190][  T793] Call Trace:
[   73.257424][  T793]  <TASK>
[ 73.257585][ T793] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.257898][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.258238][ T793] netif_set_mtu (net/core/dev.c:9652) 
[ 73.258546][ T793] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.258872][ T793] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.259120][ T793] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 73.259442][ T793] br_add_if (net/bridge/br_if.c:697) 
[ 73.259689][ T793] do_set_master (net/core/rtnetlink.c:2948) 
[ 73.260011][ T793] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 73.260327][ T793] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.260721][ T793] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.261042][ T793] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.261352][ T793] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.261672][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.261995][ T793] ? __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) 
[ 73.262309][ T793] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.262694][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.263015][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.263326][ T793] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.263637][ T793] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.263961][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.264279][ T793] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.264589][ T793] ? __create_object (mm/kmemleak.c:771) 
[ 73.264899][ T793] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.265222][ T793] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.265535][ T793] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.265921][ T793] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.266249][ T793] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.266568][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.266878][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.267201][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.267513][ T793] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.267821][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.268148][ T793] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.268465][ T793] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.268787][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.269111][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.269435][ T793] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.269747][ T793] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.270068][ T793] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.270390][ T793] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.270698][ T793] ? 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) 
[ 73.271026][ T793] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.271341][ T793] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.271652][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.271977][ T793] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.272292][ T793] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.272602][ T793] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.272919][ T793] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.273241][ T793] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.273553][ T793] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.273958][ T793] ___sys_sendmsg (net/socket.c:2670) 
[ 73.274269][ T793] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.274578][ T793] ? __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) 
[ 73.274974][ T793] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.275291][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.275610][ T793] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.275926][ T793] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.276245][ T793] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.276554][ T793] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.276873][ T793] __sys_sendmsg (net/socket.c:2700) 
[ 73.277188][ T793] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.277575][ T793] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.277900][ T793] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.278233][ T793] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.278546][ T793] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.278930][  T793] RIP: 0033:0x7f5743ffb1e7
[ 73.279259][ T793] 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)
[   73.280379][  T793] RSP: 002b:00007fff09e68db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.280847][  T793] RAX: ffffffffffffffda RBX: 00007fff09e694f0 RCX: 00007f5743ffb1e7
[   73.281319][  T793] RDX: 0000000000000000 RSI: 00007fff09e68e20 RDI: 0000000000000005
[   73.281784][  T793] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   73.282258][  T793] R10: 000000001cd55910 R11: 0000000000000246 R12: 0000000000000004
[   73.282722][  T793] R13: 00000000686e54dc R14: 0000000000499600 R15: 0000000000000000
| [   73.527170][  T795] ------------[ cut here ]------------
| [ 73.527508][ T795] WARNING: CPU: 0 PID: 795 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) 
| [   73.528216][  T795] Modules linked in: act_gact cls_flower sch_ingress vxlan
| [   73.529427][  T795] Tainted: [W]=WARN
[   73.529689][  T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.530119][ T795] 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) 
[ 73.530462][ T795] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   73.531673][  T795] RSP: 0018:ffffc90001587080 EFLAGS: 00010246
[   73.532107][  T795] RAX: 0000000000000000 RBX: ffff88800b71a000 RCX: 0000000000000001
[   73.532609][  T795] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   73.533157][  T795] RBP: ffffc90001587168 R08: 0000000000000000 R09: 0000000000000000
[   73.533663][  T795] R10: ffffc90001587198 R11: ffffffff872ceab8 R12: 1ffff920002b0e14
[   73.534191][  T795] R13: 00000000000005dc R14: ffffc90001587198 R15: ffff88800b71af48
[   73.534693][  T795] FS:  00007f3f99889800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   73.535289][  T795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.535714][  T795] CR2: 000000000043d940 CR3: 000000000bbac001 CR4: 0000000000772ef0
[   73.536228][  T795] PKRU: 55555554
[   73.536481][  T795] Call Trace:
[   73.536733][  T795]  <TASK>
[ 73.536907][ T795] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.537258][ T795] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 73.537597][ T795] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 73.538021][ T795] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 73.538387][ T795] netif_set_mtu (net/core/dev.c:9652) 
[ 73.538724][ T795] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 73.539081][ T795] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 73.539512][ T795] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 73.539767][ T795] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 73.540117][ T795] br_add_if (net/bridge/br_if.c:697) 
[ 73.540382][ T795] do_set_master (net/core/rtnetlink.c:2948) 
[ 73.540718][ T795] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 73.541061][ T795] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 73.541408][ T795] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 73.541742][ T795] ? __dev_get_by_name (net/core/dev.c:865) 
[ 73.542087][ T795] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 73.542423][ T795] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 73.542763][ T795] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.543104][ T795] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 73.543447][ T795] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 73.543794][ T795] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.544147][ T795] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.544497][ T795] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.544834][ T795] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.545181][ T795] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.545518][ T795] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.545857][ T795] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.546210][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.546558][ T795] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.546894][ T795] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.547241][ T795] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.547589][ T795] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.547926][ T795] ? 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) 
[ 73.548299][ T795] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.548642][ T795] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.548990][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.549333][ T795] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.549676][ T795] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.550026][ T795] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.550372][ T795] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.550713][ T795] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.551056][ T795] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.551493][ T795] ___sys_sendmsg (net/socket.c:2670) 
[ 73.551833][ T795] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.552178][ T795] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 73.552516][ T795] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 73.552854][ T795] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 73.553203][ T795] ? __handle_mm_fault (mm/memory.c:6212) 
[ 73.553543][ T795] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 73.553877][ T795] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 73.554239][ T795] __sys_sendmsg (net/socket.c:2700) 
[ 73.554577][ T795] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.554913][ T795] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 73.555265][ T795] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 73.555607][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.555963][ T795] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.556302][ T795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.556720][  T795] RIP: 0033:0x7f3f99a561e7
[ 73.557074][ T795] 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)
[   73.558404][  T795] RSP: 002b:00007fffcc89d868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.558891][  T795] RAX: ffffffffffffffda RBX: 00007fffcc89dfa0 RCX: 00007f3f99a561e7
[   73.559376][  T795] RDX: 0000000000000000 RSI: 00007fffcc89d8d0 RDI: 0000000000000005
[   73.559854][  T795] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   73.560340][  T795] R10: 00007f3f99ae4ac0 R11: 0000000000000246 R12: 00007fffcc89dfd8
[   73.560820][  T795] R13: 00000000686e54dd R14: 0000000000499600 R15: 00007fffcc89d9c0
| [   96.743648][ T1015] ------------[ cut here ]------------
| [ 96.745004][ T1015] WARNING: CPU: 0 PID: 1015 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) 
| [   96.745617][ T1015] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [   96.746737][ T1015] Tainted: [W]=WARN
[   96.746984][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.747374][ T1015] 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) 
[ 96.747694][ T1015] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   96.748834][ T1015] RSP: 0018:ffffc90000ab6ef0 EFLAGS: 00010246
[   96.749240][ T1015] RAX: 0000000000000000 RBX: ffff88800cf8a000 RCX: 0000000000000001
[   96.749706][ T1015] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   96.750186][ T1015] RBP: ffffc90000ab6fd8 R08: 0000000000000000 R09: 0000000000000000
[   96.750655][ T1015] R10: ffffc90000ab7008 R11: ffffffff8698d1e0 R12: 1ffff92000156de2
[   96.751131][ T1015] R13: 00000000000005dc R14: ffffc90000ab7008 R15: ffff88800cf8af48
[   96.751602][ T1015] FS:  00007effb7950800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   96.752161][ T1015] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   96.752557][ T1015] CR2: 00000000004e6888 CR3: 000000000f7f2002 CR4: 0000000000772ef0
[   96.753035][ T1015] PKRU: 55555554
[   96.753272][ T1015] Call Trace:
[   96.753505][ T1015]  <TASK>
[ 96.753674][ T1015] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 96.753998][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.754324][ T1015] netif_set_mtu (net/core/dev.c:9652) 
[ 96.754634][ T1015] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 96.754986][ T1015] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 96.755224][ T1015] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 96.755542][ T1015] br_add_if (net/bridge/br_if.c:697) 
[ 96.755788][ T1015] do_set_master (net/core/rtnetlink.c:2948) 
[ 96.756120][ T1015] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 96.756435][ T1015] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 96.756829][ T1015] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 96.757147][ T1015] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 96.757456][ T1015] ? __kernel_text_address (kernel/extable.c:79) 
[ 96.757773][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.758097][ T1015] ? __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) 
[ 96.758422][ T1015] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 96.758808][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.759131][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.759441][ T1015] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 96.759752][ T1015] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 96.760075][ T1015] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.760386][ T1015] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 96.760698][ T1015] ? __create_object (mm/kmemleak.c:771) 
[ 96.761020][ T1015] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 96.761333][ T1015] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 96.761645][ T1015] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 96.762041][ T1015] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 96.762359][ T1015] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 96.762676][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.762998][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.763320][ T1015] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.763631][ T1015] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 96.763954][ T1015] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.764269][ T1015] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 96.764581][ T1015] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 96.764896][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.765220][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.765542][ T1015] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 96.765852][ T1015] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 96.766175][ T1015] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 96.766497][ T1015] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 96.766805][ T1015] ? 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) 
[ 96.767126][ T1015] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 96.767441][ T1015] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 96.767753][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.768080][ T1015] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 96.768405][ T1015] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 96.768718][ T1015] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 96.769053][ T1015] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 96.769367][ T1015] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 96.769677][ T1015] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 96.770088][ T1015] ___sys_sendmsg (net/socket.c:2670) 
[ 96.770398][ T1015] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 96.770707][ T1015] ? __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) 
[ 96.771103][ T1015] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 96.771417][ T1015] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.771732][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 96.772058][ T1015] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 96.772368][ T1015] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 96.772681][ T1015] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 96.773011][ T1015] __sys_sendmsg (net/socket.c:2700) 
[ 96.773320][ T1015] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 96.773702][ T1015] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 96.774036][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 96.774351][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 96.774661][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   96.775060][ T1015] RIP: 0033:0x7effb7b1d1e7
[ 96.775381][ T1015] 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)
[   96.776502][ T1015] RSP: 002b:00007ffdd8171b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   96.776984][ T1015] RAX: ffffffffffffffda RBX: 00007ffdd81722d0 RCX: 00007effb7b1d1e7
[   96.777450][ T1015] RDX: 0000000000000000 RSI: 00007ffdd8171c00 RDI: 0000000000000005
[   96.777916][ T1015] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   96.778397][ T1015] R10: 000000003da69910 R11: 0000000000000246 R12: 0000000000000004
[   96.778863][ T1015] R13: 00000000686e54f4 R14: 0000000000499600 R15: 0000000000000000
| [   97.034106][ T1017] ------------[ cut here ]------------
| [ 97.034420][ T1017] WARNING: CPU: 2 PID: 1017 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) 
| [   97.035064][ T1017] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [   97.036212][ T1017] Tainted: [W]=WARN
[   97.036464][ T1017] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 97.036855][ T1017] 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) 
[ 97.037186][ T1017] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   97.038298][ T1017] RSP: 0018:ffffc90000cb7080 EFLAGS: 00010246
[   97.038701][ T1017] RAX: 0000000000000000 RBX: ffff88800cf8a000 RCX: 0000000000000001
[   97.039198][ T1017] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   97.039669][ T1017] RBP: ffffc90000cb7168 R08: 0000000000000000 R09: 0000000000000000
[   97.040149][ T1017] R10: ffffc90000cb7198 R11: ffffffff872ceab8 R12: 1ffff92000196e14
[   97.040624][ T1017] R13: 00000000000005dc R14: ffffc90000cb7198 R15: ffff88800cf8af48
[   97.041099][ T1017] FS:  00007f5f97d0f800(0000) GS:ffff8880e4a99000(0000) knlGS:0000000000000000
[   97.041633][ T1017] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.042030][ T1017] CR2: 000000000043d940 CR3: 000000000d323003 CR4: 0000000000772ef0
[   97.042490][ T1017] PKRU: 55555554
[   97.042726][ T1017] Call Trace:
[   97.043006][ T1017]  <TASK>
[ 97.043184][ T1017] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 97.043504][ T1017] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 97.043818][ T1017] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 97.044217][ T1017] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 97.044539][ T1017] netif_set_mtu (net/core/dev.c:9652) 
[ 97.044851][ T1017] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 97.045182][ T1017] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 97.045575][ T1017] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 97.045813][ T1017] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 97.046139][ T1017] br_add_if (net/bridge/br_if.c:697) 
[ 97.046392][ T1017] do_set_master (net/core/rtnetlink.c:2948) 
[ 97.046702][ T1017] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 97.047024][ T1017] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 97.047338][ T1017] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 97.047652][ T1017] ? __dev_get_by_name (net/core/dev.c:865) 
[ 97.047982][ T1017] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 97.048320][ T1017] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 97.048646][ T1017] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 97.048976][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 97.049301][ T1017] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 97.049632][ T1017] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 97.049961][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.050294][ T1017] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 97.050603][ T1017] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 97.050913][ T1017] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 97.051234][ T1017] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 97.051572][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.051896][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.052233][ T1017] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 97.052564][ T1017] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 97.052881][ T1017] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 97.053213][ T1017] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 97.053524][ T1017] ? 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) 
[ 97.053834][ T1017] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 97.054158][ T1017] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 97.054473][ T1017] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 97.054788][ T1017] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 97.055118][ T1017] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 97.055428][ T1017] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 97.055747][ T1017] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 97.056082][ T1017] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 97.056392][ T1017] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 97.056787][ T1017] ___sys_sendmsg (net/socket.c:2670) 
[ 97.057112][ T1017] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 97.057454][ T1017] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 97.057776][ T1017] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 97.058107][ T1017] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 97.058439][ T1017] ? __handle_mm_fault (mm/memory.c:6212) 
[ 97.058756][ T1017] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 97.059084][ T1017] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 97.059435][ T1017] __sys_sendmsg (net/socket.c:2700) 
[ 97.059747][ T1017] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 97.060072][ T1017] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 97.060413][ T1017] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 97.060734][ T1017] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 97.061068][ T1017] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 97.061390][ T1017] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   97.061792][ T1017] RIP: 0033:0x7f5f97edc1e7
[ 97.062127][ T1017] 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)
[   97.063212][ T1017] RSP: 002b:00007fffde0ea698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   97.063685][ T1017] RAX: ffffffffffffffda RBX: 00007fffde0eadd0 RCX: 00007f5f97edc1e7
[   97.064164][ T1017] RDX: 0000000000000000 RSI: 00007fffde0ea700 RDI: 0000000000000005
[   97.064632][ T1017] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   97.065105][ T1017] R10: 00007f5f97f6aac0 R11: 0000000000000246 R12: 00007fffde0eae08
[   97.065563][ T1017] R13: 00000000686e54f4 R14: 0000000000499600 R15: 00007fffde0ea7f0
| [   98.592557][ T1030] ------------[ cut here ]------------
| [ 98.592871][ T1030] WARNING: CPU: 0 PID: 1030 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) 
| [   98.593502][ T1030] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [   98.594634][ T1030] Tainted: [W]=WARN
[   98.594870][ T1030] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.595271][ T1030] 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) 
[ 98.595592][ T1030] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   98.596736][ T1030] RSP: 0018:ffffc90000d86ef0 EFLAGS: 00010246
[   98.597142][ T1030] RAX: 0000000000000000 RBX: ffff88800c212000 RCX: 0000000000000001
[   98.597609][ T1030] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   98.598083][ T1030] RBP: ffffc90000d86fd8 R08: 0000000000000000 R09: 0000000000000000
[   98.598568][ T1030] R10: ffffc90000d87008 R11: ffffffff8698d1e0 R12: 1ffff920001b0de2
[   98.599044][ T1030] R13: 00000000000005dc R14: ffffc90000d87008 R15: ffff88800c212f48
[   98.599514][ T1030] FS:  00007fe744b32800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   98.600066][ T1030] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.600461][ T1030] CR2: 00000000004e6888 CR3: 000000000f799003 CR4: 0000000000772ef0
[   98.600948][ T1030] PKRU: 55555554
[   98.601184][ T1030] Call Trace:
[   98.601417][ T1030]  <TASK>
[ 98.601579][ T1030] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 98.601890][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.602228][ T1030] netif_set_mtu (net/core/dev.c:9652) 
[ 98.602539][ T1030] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 98.602869][ T1030] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 98.603118][ T1030] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 98.603437][ T1030] br_add_if (net/bridge/br_if.c:697) 
[ 98.603683][ T1030] do_set_master (net/core/rtnetlink.c:2948) 
[ 98.604008][ T1030] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 98.604324][ T1030] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 98.604716][ T1030] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 98.605035][ T1030] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 98.605348][ T1030] ? __kernel_text_address (kernel/extable.c:79) 
[ 98.605664][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.605989][ T1030] ? __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) 
[ 98.606301][ T1030] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 98.606684][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.607004][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.607313][ T1030] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 98.607626][ T1030] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 98.607951][ T1030] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.608271][ T1030] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 98.608580][ T1030] ? __create_object (mm/kmemleak.c:771) 
[ 98.608892][ T1030] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 98.609214][ T1030] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 98.609528][ T1030] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 98.609920][ T1030] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 98.610253][ T1030] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 98.610570][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.610879][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.611205][ T1030] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.611518][ T1030] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 98.611826][ T1030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.612148][ T1030] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.612463][ T1030] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 98.612776][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.613101][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.613419][ T1030] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 98.613733][ T1030] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.614054][ T1030] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 98.614379][ T1030] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 98.614693][ T1030] ? 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) 
[ 98.615015][ T1030] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 98.615332][ T1030] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 98.615644][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.615972][ T1030] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 98.616287][ T1030] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 98.616597][ T1030] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 98.616915][ T1030] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 98.617245][ T1030] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 98.617554][ T1030] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 98.617968][ T1030] ___sys_sendmsg (net/socket.c:2670) 
[ 98.618284][ T1030] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 98.618593][ T1030] ? __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) 
[ 98.618991][ T1030] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 98.619311][ T1030] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.619624][ T1030] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.619955][ T1030] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 98.620267][ T1030] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 98.620578][ T1030] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.620896][ T1030] __sys_sendmsg (net/socket.c:2700) 
[ 98.621217][ T1030] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 98.621605][ T1030] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 98.621932][ T1030] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.622258][ T1030] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 98.622572][ T1030] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.622964][ T1030] RIP: 0033:0x7fe744cff1e7
[ 98.623288][ T1030] 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)
[   98.624412][ T1030] RSP: 002b:00007ffe0494c118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   98.624881][ T1030] RAX: ffffffffffffffda RBX: 00007ffe0494c850 RCX: 00007fe744cff1e7
[   98.625354][ T1030] RDX: 0000000000000000 RSI: 00007ffe0494c180 RDI: 0000000000000005
[   98.625819][ T1030] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   98.626299][ T1030] R10: 000000000f4c5910 R11: 0000000000000246 R12: 0000000000000004
[   98.626765][ T1030] R13: 00000000686e54f6 R14: 0000000000499600 R15: 0000000000000000
| [   98.865340][ T1032] ------------[ cut here ]------------
| [ 98.865657][ T1032] WARNING: CPU: 0 PID: 1032 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) 
| [   98.866292][ T1032] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [   98.867458][ T1032] Tainted: [W]=WARN
[   98.867713][ T1032] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 98.868125][ T1032] 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) 
[ 98.868464][ T1032] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[   98.869612][ T1032] RSP: 0018:ffffc90000d97080 EFLAGS: 00010246
[   98.870024][ T1032] RAX: 0000000000000000 RBX: ffff88800c212000 RCX: 0000000000000001
[   98.870500][ T1032] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[   98.871002][ T1032] RBP: ffffc90000d97168 R08: 0000000000000000 R09: 0000000000000000
[   98.871490][ T1032] R10: ffffc90000d97198 R11: ffffffff872ceab8 R12: 1ffff920001b2e14
[   98.871992][ T1032] R13: 00000000000005dc R14: ffffc90000d97198 R15: ffff88800c212f48
[   98.872469][ T1032] FS:  00007f437fa4a800(0000) GS:ffff8880e4999000(0000) knlGS:0000000000000000
[   98.873047][ T1032] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.873457][ T1032] CR2: 000000000043d940 CR3: 000000000f799005 CR4: 0000000000772ef0
[   98.873948][ T1032] PKRU: 55555554
[   98.874190][ T1032] Call Trace:
[   98.874429][ T1032]  <TASK>
[ 98.874594][ T1032] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 98.874918][ T1032] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 98.875260][ T1032] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 98.875669][ T1032] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 98.876005][ T1032] netif_set_mtu (net/core/dev.c:9652) 
[ 98.876326][ T1032] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 98.876665][ T1032] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 98.877076][ T1032] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 98.877319][ T1032] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 98.877640][ T1032] br_add_if (net/bridge/br_if.c:697) 
[ 98.877897][ T1032] do_set_master (net/core/rtnetlink.c:2948) 
[ 98.878247][ T1032] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 98.878570][ T1032] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 98.878892][ T1032] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 98.879233][ T1032] ? __dev_get_by_name (net/core/dev.c:865) 
[ 98.879558][ T1032] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 98.879877][ T1032] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 98.880212][ T1032] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 98.880536][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 98.880861][ T1032] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 98.881201][ T1032] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 98.881524][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.881859][ T1032] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 98.882187][ T1032] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 98.882508][ T1032] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 98.882830][ T1032] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 98.883174][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.883504][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.883828][ T1032] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 98.884161][ T1032] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 98.884484][ T1032] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 98.884814][ T1032] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 98.885150][ T1032] ? 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) 
[ 98.885473][ T1032] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 98.885796][ T1032] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 98.886123][ T1032] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 98.886455][ T1032] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 98.886779][ T1032] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 98.887121][ T1032] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 98.887455][ T1032] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 98.887781][ T1032] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 98.888111][ T1032] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 98.888528][ T1032] ___sys_sendmsg (net/socket.c:2670) 
[ 98.888851][ T1032] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 98.889181][ T1032] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 98.889508][ T1032] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 98.889828][ T1032] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 98.890163][ T1032] ? __handle_mm_fault (mm/memory.c:6212) 
[ 98.890481][ T1032] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 98.890798][ T1032] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 98.891160][ T1032] __sys_sendmsg (net/socket.c:2700) 
[ 98.891489][ T1032] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 98.891807][ T1032] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 98.892148][ T1032] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 98.892471][ T1032] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 98.892790][ T1032] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 98.893121][ T1032] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   98.893514][ T1032] RIP: 0033:0x7f437fc171e7
[ 98.893838][ T1032] 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)
[   98.894999][ T1032] RSP: 002b:00007ffc062bb2e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   98.895488][ T1032] RAX: ffffffffffffffda RBX: 00007ffc062bba20 RCX: 00007f437fc171e7
[   98.895974][ T1032] RDX: 0000000000000000 RSI: 00007ffc062bb350 RDI: 0000000000000005
[   98.896463][ T1032] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[   98.896951][ T1032] R10: 00007f437fca5ac0 R11: 0000000000000246 R12: 00007ffc062bba58
[   98.897425][ T1032] R13: 00000000686e54f6 R14: 0000000000499600 R15: 00007ffc062bb440
| [  119.903612][ T1158] ------------[ cut here ]------------
| [ 119.903960][ T1158] WARNING: CPU: 2 PID: 1158 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) 
| [  119.904560][ T1158] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  119.905665][ T1158] Tainted: [W]=WARN
[  119.905903][ T1158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 119.906297][ T1158] 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) 
[ 119.906623][ T1158] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[  119.907697][ T1158] RSP: 0018:ffffc900011a6ef0 EFLAGS: 00010246
[  119.908114][ T1158] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[  119.908579][ T1158] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[  119.909047][ T1158] RBP: ffffc900011a6fd8 R08: 0000000000000000 R09: 0000000000000000
[  119.909506][ T1158] R10: ffffc900011a7008 R11: ffffffff8698d1e0 R12: 1ffff92000234de2
[  119.910106][ T1158] R13: 00000000000005dc R14: ffffc900011a7008 R15: ffff88800ed3af48
[  119.910595][ T1158] FS:  00007f2f8adf1800(0000) GS:ffff8880e4a99000(0000) knlGS:0000000000000000
[  119.911140][ T1158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  119.911524][ T1158] CR2: 00000000004e6888 CR3: 000000000aff1001 CR4: 0000000000772ef0
[  119.911986][ T1158] PKRU: 55555554
[  119.912221][ T1158] Call Trace:
[  119.912454][ T1158]  <TASK>
[ 119.912622][ T1158] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 119.912946][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.913278][ T1158] netif_set_mtu (net/core/dev.c:9652) 
[ 119.913588][ T1158] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 119.913916][ T1158] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 119.914171][ T1158] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 119.914495][ T1158] br_add_if (net/bridge/br_if.c:697) 
[ 119.914737][ T1158] do_set_master (net/core/rtnetlink.c:2948) 
[ 119.915055][ T1158] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 119.915383][ T1158] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 119.915773][ T1158] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 119.916098][ T1158] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 119.916409][ T1158] ? __kernel_text_address (kernel/extable.c:79) 
[ 119.916726][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.917072][ T1158] ? __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) 
[ 119.917376][ T1158] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 119.917745][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.918054][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.918389][ T1158] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 119.918693][ T1158] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 119.919015][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.919329][ T1158] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 119.919638][ T1158] ? __create_object (mm/kmemleak.c:771) 
[ 119.919949][ T1158] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 119.920249][ T1158] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 119.920548][ T1158] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 119.920917][ T1158] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 119.921246][ T1158] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 119.921552][ T1158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.921853][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.922167][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.922464][ T1158] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 119.922760][ T1158] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.923070][ T1158] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 119.923368][ T1158] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 119.923664][ T1158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.923982][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.924286][ T1158] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 119.924584][ T1158] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 119.924881][ T1158] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 119.925212][ T1158] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 119.925511][ T1158] ? 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) 
[ 119.925810][ T1158] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 119.926128][ T1158] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 119.926425][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.926727][ T1158] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 119.927042][ T1158] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 119.927341][ T1158] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 119.927645][ T1158] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 119.927956][ T1158] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 119.928279][ T1158] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 119.928672][ T1158] ___sys_sendmsg (net/socket.c:2670) 
[ 119.928999][ T1158] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 119.929311][ T1158] ? __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) 
[ 119.929696][ T1158] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 119.930008][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.930312][ T1158] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 119.930616][ T1158] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 119.930921][ T1158] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 119.931228][ T1158] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 119.931542][ T1158] __sys_sendmsg (net/socket.c:2700) 
[ 119.931834][ T1158] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 119.932212][ T1158] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 119.932525][ T1158] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 119.932827][ T1158] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 119.933153][ T1158] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  119.933526][ T1158] RIP: 0033:0x7f2f8afbe1e7
[ 119.933856][ T1158] 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)
[  119.934944][ T1158] RSP: 002b:00007ffdc5e29228 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  119.935396][ T1158] RAX: ffffffffffffffda RBX: 00007ffdc5e29960 RCX: 00007f2f8afbe1e7
[  119.935836][ T1158] RDX: 0000000000000000 RSI: 00007ffdc5e29290 RDI: 0000000000000005
[  119.936286][ T1158] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  119.936743][ T1158] R10: 000000002c805910 R11: 0000000000000246 R12: 0000000000000004
[  119.937229][ T1158] R13: 00000000686e550b R14: 0000000000499600 R15: 0000000000000000
| [  120.185543][ T1160] ------------[ cut here ]------------
| [ 120.185856][ T1160] WARNING: CPU: 2 PID: 1160 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) 
| [  120.186834][ T1160] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  120.187945][ T1160] Tainted: [W]=WARN
[  120.188181][ T1160] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 120.188595][ T1160] 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) 
[ 120.188928][ T1160] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[  120.190064][ T1160] RSP: 0018:ffffc900011c7080 EFLAGS: 00010246
[  120.190471][ T1160] RAX: 0000000000000000 RBX: ffff88800ed3a000 RCX: 0000000000000001
[  120.190949][ T1160] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[  120.191413][ T1160] RBP: ffffc900011c7168 R08: 0000000000000000 R09: 0000000000000000
[  120.191880][ T1160] R10: ffffc900011c7198 R11: ffffffff872ceab8 R12: 1ffff92000238e14
[  120.192342][ T1160] R13: 00000000000005dc R14: ffffc900011c7198 R15: ffff88800ed3af48
[  120.192796][ T1160] FS:  00007f2aaa7b3800(0000) GS:ffff8880e4a99000(0000) knlGS:0000000000000000
[  120.193333][ T1160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  120.193716][ T1160] CR2: 000000000043d940 CR3: 000000000bca1005 CR4: 0000000000772ef0
[  120.194190][ T1160] PKRU: 55555554
[  120.194454][ T1160] Call Trace:
[  120.194690][ T1160]  <TASK>
[ 120.194859][ T1160] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 120.195333][ T1160] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 120.195785][ T1160] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 120.196265][ T1160] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 120.196576][ T1160] netif_set_mtu (net/core/dev.c:9652) 
[ 120.196880][ T1160] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 120.197205][ T1160] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 120.197591][ T1160] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 120.197827][ T1160] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 120.198160][ T1160] br_add_if (net/bridge/br_if.c:697) 
[ 120.198447][ T1160] do_set_master (net/core/rtnetlink.c:2948) 
[ 120.198761][ T1160] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 120.199091][ T1160] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 120.199410][ T1160] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 120.199726][ T1160] ? __dev_get_by_name (net/core/dev.c:865) 
[ 120.200050][ T1160] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.200357][ T1160] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 120.200676][ T1160] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 120.200992][ T1160] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.201308][ T1160] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 120.201628][ T1160] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 120.201962][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.202307][ T1160] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 120.202627][ T1160] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 120.202955][ T1160] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 120.203270][ T1160] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 120.203586][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.203906][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.204245][ T1160] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 120.204559][ T1160] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 120.204872][ T1160] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 120.205202][ T1160] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 120.205505][ T1160] ? 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) 
[ 120.205813][ T1160] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 120.206143][ T1160] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 120.206484][ T1160] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 120.206801][ T1160] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 120.207137][ T1160] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 120.207464][ T1160] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 120.207778][ T1160] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 120.208095][ T1160] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 120.208439][ T1160] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 120.208837][ T1160] ___sys_sendmsg (net/socket.c:2670) 
[ 120.209168][ T1160] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 120.209487][ T1160] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 120.209811][ T1160] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 120.210133][ T1160] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 120.210475][ T1160] ? __handle_mm_fault (mm/memory.c:6212) 
[ 120.210789][ T1160] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 120.211114][ T1160] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 120.211455][ T1160] __sys_sendmsg (net/socket.c:2700) 
[ 120.211771][ T1160] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 120.212096][ T1160] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 120.212420][ T1160] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 120.212748][ T1160] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 120.213071][ T1160] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 120.213380][ T1160] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  120.213754][ T1160] RIP: 0033:0x7f2aaa9801e7
[ 120.214095][ T1160] 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)
[  120.215213][ T1160] RSP: 002b:00007ffc70247a48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  120.215693][ T1160] RAX: ffffffffffffffda RBX: 00007ffc70248180 RCX: 00007f2aaa9801e7
[  120.216159][ T1160] RDX: 0000000000000000 RSI: 00007ffc70247ab0 RDI: 0000000000000005
[  120.216609][ T1160] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  120.217068][ T1160] R10: 00007f2aaaa0eac0 R11: 0000000000000246 R12: 00007ffc702481b8
[  120.217544][ T1160] R13: 00000000686e550b R14: 0000000000499600 R15: 00007ffc70247ba0
| [  121.745235][ T1173] ------------[ cut here ]------------
| [ 121.745558][ T1173] WARNING: CPU: 2 PID: 1173 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) 
| [  121.746165][ T1173] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  121.747266][ T1173] Tainted: [W]=WARN
[  121.747506][ T1173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 121.747886][ T1173] 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) 
[ 121.748215][ T1173] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[  121.749297][ T1173] RSP: 0018:ffffc90001246ef0 EFLAGS: 00010246
[  121.749685][ T1173] RAX: 0000000000000000 RBX: ffff88800df8a000 RCX: 0000000000000001
[  121.750151][ T1173] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[  121.750602][ T1173] RBP: ffffc90001246fd8 R08: 0000000000000000 R09: 0000000000000000
[  121.751064][ T1173] R10: ffffc90001247008 R11: ffffffff8698d1e0 R12: 1ffff92000248de2
[  121.751526][ T1173] R13: 00000000000005dc R14: ffffc90001247008 R15: ffff88800df8af48
[  121.751988][ T1173] FS:  00007ff81565e800(0000) GS:ffff8880e4a99000(0000) knlGS:0000000000000000
[  121.752515][ T1173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  121.752895][ T1173] CR2: 00000000004e6888 CR3: 000000000dd43003 CR4: 0000000000772ef0
[  121.753367][ T1173] PKRU: 55555554
[  121.753601][ T1173] Call Trace:
[  121.753836][ T1173]  <TASK>
[ 121.754012][ T1173] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 121.754322][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.754645][ T1173] netif_set_mtu (net/core/dev.c:9652) 
[ 121.754961][ T1173] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 121.755289][ T1173] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 121.755532][ T1173] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 121.755843][ T1173] br_add_if (net/bridge/br_if.c:697) 
[ 121.756101][ T1173] do_set_master (net/core/rtnetlink.c:2948) 
[ 121.756414][ T1173] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 121.756725][ T1173] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 121.757122][ T1173] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 121.757430][ T1173] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 121.757743][ T1173] ? __kernel_text_address (kernel/extable.c:79) 
[ 121.758064][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.758390][ T1173] ? __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) 
[ 121.758701][ T1173] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 121.759107][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.759415][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.759725][ T1173] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 121.760048][ T1173] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 121.760362][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.760668][ T1173] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 121.760982][ T1173] ? __create_object (mm/kmemleak.c:771) 
[ 121.761292][ T1173] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 121.761600][ T1173] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 121.761911][ T1173] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 121.762301][ T1173] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 121.762626][ T1173] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 121.762949][ T1173] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.763257][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.763573][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.763881][ T1173] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 121.764194][ T1173] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.764504][ T1173] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 121.764809][ T1173] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 121.765133][ T1173] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.765449][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.765763][ T1173] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 121.766081][ T1173] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 121.766390][ T1173] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 121.766707][ T1173] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 121.767022][ T1173] ? 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) 
[ 121.767335][ T1173] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 121.767648][ T1173] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 121.767961][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.768284][ T1173] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 121.768595][ T1173] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 121.768906][ T1173] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 121.769232][ T1173] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 121.769549][ T1173] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 121.769853][ T1173] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 121.770254][ T1173] ___sys_sendmsg (net/socket.c:2670) 
[ 121.770557][ T1173] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 121.770864][ T1173] ? __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) 
[ 121.771250][ T1173] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 121.771563][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.771878][ T1173] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 121.772205][ T1173] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 121.772512][ T1173] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 121.772821][ T1173] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 121.773154][ T1173] __sys_sendmsg (net/socket.c:2700) 
[ 121.773464][ T1173] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 121.773839][ T1173] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 121.774175][ T1173] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 121.774485][ T1173] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 121.774797][ T1173] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  121.775183][ T1173] RIP: 0033:0x7ff81582b1e7
[ 121.775504][ T1173] 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)
[  121.776581][ T1173] RSP: 002b:00007ffc63e14ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  121.777047][ T1173] RAX: ffffffffffffffda RBX: 00007ffc63e15730 RCX: 00007ff81582b1e7
[  121.777503][ T1173] RDX: 0000000000000000 RSI: 00007ffc63e15060 RDI: 0000000000000005
[  121.777970][ T1173] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  121.778438][ T1173] R10: 000000000cd6d910 R11: 0000000000000246 R12: 0000000000000004
[  121.778896][ T1173] R13: 00000000686e550d R14: 0000000000499600 R15: 0000000000000000
| [  122.045119][ T1175] ------------[ cut here ]------------
| [ 122.045449][ T1175] WARNING: CPU: 2 PID: 1175 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) 
| [  122.046567][ T1175] Modules linked in: cls_matchall act_gact cls_flower sch_ingress vxlan
| [  122.047660][ T1175] Tainted: [W]=WARN
[  122.047895][ T1175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 122.048321][ T1175] 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) 
[ 122.048649][ T1175] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 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 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   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 fa fd 9b 00       	call   0x9bfe1b
  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
[  122.049757][ T1175] RSP: 0018:ffffc90001267080 EFLAGS: 00010246
[  122.050186][ T1175] RAX: 0000000000000000 RBX: ffff88800df8a000 RCX: 0000000000000001
[  122.050662][ T1175] RDX: 0000000000000000 RSI: ffffffff85f10759 RDI: ffffffff85658280
[  122.051172][ T1175] RBP: ffffc90001267168 R08: 0000000000000000 R09: 0000000000000000
[  122.051659][ T1175] R10: ffffc90001267198 R11: ffffffff8698d1e0 R12: 1ffff9200024ce14
[  122.052137][ T1175] R13: 00000000000005dc R14: ffffc90001267198 R15: ffff88800df8af48
[  122.052626][ T1175] FS:  00007f51c1bb4800(0000) GS:ffff8880e4a99000(0000) knlGS:0000000000000000
[  122.053174][ T1175] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  122.053588][ T1175] CR2: 00007f51c1e0fb78 CR3: 000000000f6b3005 CR4: 0000000000772ef0
[  122.054063][ T1175] PKRU: 55555554
[  122.054305][ T1175] Call Trace:
[  122.054552][ T1175]  <TASK>
[ 122.054725][ T1175] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 122.055066][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.055399][ T1175] netif_set_mtu (net/core/dev.c:9652) 
[ 122.055713][ T1175] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 122.056069][ T1175] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 122.056307][ T1175] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 122.056621][ T1175] br_add_if (net/bridge/br_if.c:697) 
[ 122.056867][ T1175] do_set_master (net/core/rtnetlink.c:2948) 
[ 122.057215][ T1175] ? rtnl_configure_link (net/core/rtnetlink.c:3592) 
[ 122.057535][ T1175] rtnl_newlink_create (net/core/rtnetlink.c:3840) 
[ 122.057853][ T1175] ? __pfx_rtnl_newlink_create (net/core/rtnetlink.c:3791) 
[ 122.058177][ T1175] ? __dev_get_by_name (net/core/dev.c:865) 
[ 122.058500][ T1175] ? rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 122.058818][ T1175] ? __pfx_rtnl_dev_get (net/core/rtnetlink.c:3404) 
[ 122.059150][ T1175] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 122.059481][ T1175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 122.059794][ T1175] __rtnl_newlink (net/core/rtnetlink.c:3942) 
[ 122.060129][ T1175] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 122.060448][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.060768][ T1175] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 122.061093][ T1175] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 122.061432][ T1175] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 122.061747][ T1175] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 122.062080][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.062409][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.062723][ T1175] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 122.063041][ T1175] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 122.063354][ T1175] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 122.063672][ T1175] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 122.063989][ T1175] ? 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) 
[ 122.064306][ T1175] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 122.064618][ T1175] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 122.064922][ T1175] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 122.065256][ T1175] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 122.065592][ T1175] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 122.065911][ T1175] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 122.066242][ T1175] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 122.066578][ T1175] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 122.066881][ T1175] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 122.067282][ T1175] ___sys_sendmsg (net/socket.c:2670) 
[ 122.067589][ T1175] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 122.067898][ T1175] ? __pfx_handle_pte_fault (mm/memory.c:6026) 
[ 122.068245][ T1175] ? reacquire_held_locks (kernel/locking/lockdep.c:5388) 
[ 122.068565][ T1175] ? do_user_addr_fault (arch/x86/mm/fault.c:1327) 
[ 122.068888][ T1175] ? __handle_mm_fault (mm/memory.c:6212) 
[ 122.069223][ T1175] ? __pfx___handle_mm_fault (mm/memory.c:6121) 
[ 122.069539][ T1175] ? lock_vma_under_rcu (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 mm/mmap_lock.c:171) 
[ 122.069877][ T1175] __sys_sendmsg (net/socket.c:2700) 
[ 122.070203][ T1175] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 122.070527][ T1175] ? exc_page_fault (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 arch/x86/mm/fault.c:1484 arch/x86/mm/fault.c:1532) 
[ 122.070845][ T1175] ? do_user_addr_fault (./arch/x86/include/asm/atomic.h:93 ./include/linux/atomic/atomic-arch-fallback.h:949 ./include/linux/atomic/atomic-instrumented.h:401 ./include/linux/refcount.h:389 ./include/linux/refcount.h:432 ./include/linux/mmap_lock.h:142 ./include/linux/mmap_lock.h:237 arch/x86/mm/fault.c:1338) 
[ 122.071171][ T1175] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 122.071481][ T1175] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 122.071791][ T1175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  122.072182][ T1175] RIP: 0033:0x7f51c1d811e7
[ 122.072504][ T1175] 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)
[  122.073588][ T1175] RSP: 002b:00007ffeb2983458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  122.074085][ T1175] RAX: ffffffffffffffda RBX: 00007ffeb2983b90 RCX: 00007f51c1d811e7
[  122.074551][ T1175] RDX: 0000000000000000 RSI: 00007ffeb29834c0 RDI: 0000000000000005
[  122.075031][ T1175] RBP: 0000000000000006 R08: 0000000000000064 R09: 0000000000000000
[  122.075489][ T1175] R10: 00007f51c1e0fac0 R11: 0000000000000246 R12: 00007ffeb2983bc8


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