======================================
| [   23.081356][  T343] br1: port 1(vx100) entered forwarding state
| [   23.082705][  T343] ------------[ cut here ]------------
| [ 23.083063][ T343] WARNING: CPU: 3 PID: 343 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.083692][  T343] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.085337][  T343] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.085740][ T343] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.086178][ T343] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.087550][  T343] RSP: 0018:ffffc900004e6ef0 EFLAGS: 00010246
[   23.087954][  T343] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   23.088442][  T343] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   23.088918][  T343] RBP: ffffc900004e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.089382][  T343] R10: ffffc900004e7010 R11: ffffffffb38a8918 R12: 1ffff9200009cde2
[   23.089852][  T343] R13: 00000000000005dc R14: ffffc900004e7010 R15: ffff888005162f08
[   23.090323][  T343] FS:  00007f0e1292c800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000
[   23.090878][  T343] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.091269][  T343] CR2: 00000000004e6890 CR3: 0000000014cae001 CR4: 0000000000772ef0
[   23.091736][  T343] PKRU: 55555554
[   23.091987][  T343] Call Trace:
[   23.092240][  T343]  <TASK>
[ 23.092404][ T343] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.092725][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.093053][ T343] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.093364][ T343] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.093752][ T343] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.094076][ T343] netif_set_mtu (net/core/dev.c:9652) 
[ 23.094396][ T343] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.094717][ T343] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.095162][ T343] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.095399][ T343] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.095817][ T343] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.096179][ T343] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.096491][ T343] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.096801][ T343] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.097200][ T343] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.097518][ T343] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.097835][ T343] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.098158][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.098473][ T343] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.098784][ T343] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.099177][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.099492][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.099803][ T343] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.100128][ T343] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.100440][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.100751][ T343] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.101063][ T343] ? __create_object (mm/kmemleak.c:771) 
[ 23.101374][ T343] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.101686][ T343] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.102005][ T343] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.102382][ T343] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.102699][ T343] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.103018][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.103323][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.103633][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.103948][ T343] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.104252][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.104563][ T343] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.104914][ T343] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.105225][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.105540][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.105877][ T343] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.106187][ T343] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.106496][ T343] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.106819][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.107140][ T343] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.107450][ T343] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.107912][ T343] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.108248][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.108563][ T343] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.108882][ T343] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.109198][ T343] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.109514][ T343] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.109838][ T343] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.110147][ T343] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.110544][ T343] ___sys_sendmsg (net/socket.c:2670) 
[ 23.110856][ T343] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.111170][ T343] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.111560][ T343] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.111879][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.112188][ T343] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.112504][ T343] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.112811][ T343] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.113129][ T343] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.113448][ T343] __sys_sendmsg (net/socket.c:2700) 
[ 23.113754][ T343] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.114146][ T343] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.114468][ T343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.114775][ T343] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.115087][ T343] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.115468][  T343] RIP: 0033:0x7f0e12af91e7
[ 23.115786][ T343] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.116894][  T343] RSP: 002b:00007ffcd3b37058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.117377][  T343] RAX: ffffffffffffffda RBX: 00007ffcd3b37780 RCX: 00007f0e12af91e7
[   23.117857][  T343] RDX: 0000000000000000 RSI: 00007ffcd3b370c0 RDI: 0000000000000005
[   23.118333][  T343] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.118795][  T343] R10: 000000001f25d910 R11: 0000000000000246 R12: 0000000000000004
[   23.119273][  T343] R13: 00000000686e207b R14: 0000000000499600 R15: 0000000000000000
| [   23.325452][  T345] ------------[ cut here ]------------
| [ 23.325777][ T345] WARNING: CPU: 3 PID: 345 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.327355][  T345] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.328639][  T345] Tainted: [W]=WARN
[   23.328895][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.329278][ T345] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.329597][ T345] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.330708][  T345] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   23.331108][  T345] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   23.331573][  T345] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   23.332042][  T345] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.332504][  T345] R10: ffffc90000567010 R11: ffffffffb38a8918 R12: 1ffff920000acde2
[   23.332976][  T345] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff888005162f08
[   23.333443][  T345] FS:  00007f253f68b800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000
[   23.334006][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.334396][  T345] CR2: 00000000004e5aa8 CR3: 0000000014cce004 CR4: 0000000000772ef0
[   23.334870][  T345] PKRU: 55555554
[   23.335108][  T345] Call Trace:
[   23.335341][  T345]  <TASK>
[ 23.335502][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.335813][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.336136][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.336449][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.336889][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.337203][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.337521][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.337854][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.338316][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.338555][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.338991][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.339349][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.339688][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.340017][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.340414][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.340727][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.341058][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.341369][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.341682][ T345] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.342025][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.342408][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.342731][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.343074][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.343381][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.343703][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.344034][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.344339][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 23.344659][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.344988][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.345298][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.345689][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.346015][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.346335][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.346652][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.346982][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.347297][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.347614][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.347940][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.348263][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.348573][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.348892][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.349212][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.349538][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.349870][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.350192][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.350506][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.350814][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.351137][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.351439][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.351762][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.352097][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.352406][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.352728][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.353052][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.353356][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.353760][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.354086][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.354393][ T345] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.354773][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.355096][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.355408][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.355722][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.356042][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.356356][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.356671][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.356985][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.357369][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.357684][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.358002][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.358321][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.358706][  T345] RIP: 0033:0x7f253f8581e7
[ 23.359036][ T345] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.360135][  T345] RSP: 002b:00007ffcea4691d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.360602][  T345] RAX: ffffffffffffffda RBX: 00007ffcea469900 RCX: 00007f253f8581e7
[   23.361078][  T345] RDX: 0000000000000000 RSI: 00007ffcea469240 RDI: 0000000000000005
[   23.361538][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.362008][  T345] R10: 00000000212c3910 R11: 0000000000000246 R12: 0000000000000004
[   23.362469][  T345] R13: 00000000686e207c R14: 0000000000499600 R15: 0000000000000000
| [   24.011281][  T352] ------------[ cut here ]------------
| [ 24.011591][ T352] WARNING: CPU: 0 PID: 352 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) 
| [   24.012226][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.014484][  T352] Tainted: [W]=WARN
[   24.014719][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.015120][ T352] 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) 
[ 24.015440][ T352] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.016554][  T352] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   24.016975][  T352] RAX: 0000000000000000 RBX: ffff88800c6da000 RCX: 0000000000000001
[   24.017436][  T352] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   24.017912][  T352] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.018392][  T352] R10: ffffc90000577010 R11: ffffffffb38a8918 R12: 1ffff920000aede2
[   24.018866][  T352] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800c6daf08
[   24.019336][  T352] FS:  00007f79c7a2c800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000
[   24.019887][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.020273][  T352] CR2: 00000000004e5468 CR3: 00000000156fd006 CR4: 0000000000772ef0
[   24.020747][  T352] PKRU: 55555554
[   24.020995][  T352] Call Trace:
[   24.021231][  T352]  <TASK>
[ 24.021391][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.021701][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.022022][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.022330][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.022713][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.023062][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 24.023380][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.023703][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.024154][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.024389][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.024810][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.025174][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.025488][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.025806][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.026210][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.026521][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.026839][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.027156][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.027467][ T352] ? __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) 
[ 24.027775][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.028239][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.028555][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.028868][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.029175][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.029484][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.029789][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.030104][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.030422][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.030740][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.031064][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.031450][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.031765][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.032088][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.032401][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.032716][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.033039][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.033347][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.033657][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.033971][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.034282][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.034597][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.034921][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.035238][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.035567][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.035914][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.036220][ T352] ? 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) 
[ 24.036531][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.036853][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.037165][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.037479][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.037788][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.038118][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.038436][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.038752][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.039068][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.039469][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.039773][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.040090][ T352] ? __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) 
[ 24.040482][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.040796][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.041170][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.041493][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.041805][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.042125][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.042441][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.042747][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.043139][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.043464][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.043775][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.044098][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.044482][  T352] RIP: 0033:0x7f79c7bf91e7
[ 24.044818][ T352] 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)
[   24.045937][  T352] RSP: 002b:00007ffcc1c1b728 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.046410][  T352] RAX: ffffffffffffffda RBX: 00007ffcc1c1be50 RCX: 00007f79c7bf91e7
[   24.046897][  T352] RDX: 0000000000000000 RSI: 00007ffcc1c1b790 RDI: 0000000000000005
[   24.047358][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.047851][  T352] R10: 000000002fea6910 R11: 0000000000000246 R12: 0000000000000004
[   24.048360][  T352] R13: 00000000686e207c R14: 0000000000499600 R15: 0000000000000000
| [   24.496929][  T355] ------------[ cut here ]------------
| [ 24.497250][ T355] WARNING: CPU: 3 PID: 355 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) 
| [   24.497936][  T355] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.499663][  T355] Tainted: [W]=WARN
[   24.499927][  T355] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.500319][ T355] 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) 
[ 24.500644][ T355] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.501761][  T355] RSP: 0018:ffffc90000606ef0 EFLAGS: 00010246
[   24.502169][  T355] RAX: 0000000000000000 RBX: ffff88800c6da000 RCX: 0000000000000001
[   24.502638][  T355] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   24.503126][  T355] RBP: ffffc90000606fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.503602][  T355] R10: ffffc90000607010 R11: ffffffffb38a8918 R12: 1ffff920000c0de2
[   24.504076][  T355] R13: 00000000000005dc R14: ffffc90000607010 R15: ffff88800c6daf08
[   24.504541][  T355] FS:  00007f027292d800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000
[   24.505095][  T355] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.505485][  T355] CR2: 00000000004e5730 CR3: 000000001569f003 CR4: 0000000000772ef0
[   24.505960][  T355] PKRU: 55555554
[   24.506193][  T355] Call Trace:
[   24.506422][  T355]  <TASK>
[ 24.506618][ T355] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.506934][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.507251][ T355] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.507569][ T355] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.507970][ T355] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.508302][ T355] netif_set_mtu (net/core/dev.c:9652) 
[ 24.508612][ T355] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.508940][ T355] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.509376][ T355] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.509614][ T355] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.510048][ T355] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.510410][ T355] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.510731][ T355] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.511057][ T355] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.511445][ T355] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.511752][ T355] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.512066][ T355] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.512387][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.512695][ T355] ? __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) 
[ 24.513008][ T355] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.513387][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.513696][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.514012][ T355] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.514322][ T355] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.514631][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.514957][ T355] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.515267][ T355] ? __create_object (mm/kmemleak.c:771) 
[ 24.515580][ T355] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.515899][ T355] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.516211][ T355] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.516594][ T355] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.516915][ T355] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.517235][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.517544][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.517864][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.518184][ T355] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.518488][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.518800][ T355] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.519123][ T355] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.519447][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.519767][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.520091][ T355] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.520404][ T355] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.520714][ T355] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.521042][ T355] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.521351][ T355] ? 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) 
[ 24.521669][ T355] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.521988][ T355] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.522298][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.522612][ T355] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.522940][ T355] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.523251][ T355] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.523572][ T355] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.523898][ T355] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.524214][ T355] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.524614][ T355] ___sys_sendmsg (net/socket.c:2670) 
[ 24.524930][ T355] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.525242][ T355] ? __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) 
[ 24.525625][ T355] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.525944][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.526264][ T355] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.526578][ T355] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.526898][ T355] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.527209][ T355] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.527523][ T355] __sys_sendmsg (net/socket.c:2700) 
[ 24.527872][ T355] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.528276][ T355] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.528596][ T355] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.528919][ T355] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.529232][ T355] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.529614][  T355] RIP: 0033:0x7f0272afa1e7
[ 24.529937][ T355] 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)
[   24.531050][  T355] RSP: 002b:00007ffd8e79e2a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.531517][  T355] RAX: ffffffffffffffda RBX: 00007ffd8e79e9d0 RCX: 00007f0272afa1e7
[   24.532014][  T355] RDX: 0000000000000000 RSI: 00007ffd8e79e310 RDI: 0000000000000005
[   24.532477][  T355] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.532969][  T355] R10: 000000001673f910 R11: 0000000000000246 R12: 0000000000000004
[   24.533432][  T355] R13: 00000000686e207d R14: 0000000000499600 R15: 0000000000000000
| [   29.363389][  T402] ------------[ cut here ]------------
| [ 29.363918][ T402] WARNING: CPU: 1 PID: 402 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) 
| [   29.364664][  T402] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.366501][  T402] Tainted: [W]=WARN
[   29.366816][  T402] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.367414][ T402] 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) 
[ 29.367877][ T402] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.369214][  T402] RSP: 0018:ffffc900008d6ef0 EFLAGS: 00010246
[   29.369777][  T402] RAX: 0000000000000000 RBX: ffff888017002000 RCX: 0000000000000001
[   29.370369][  T402] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   29.371036][  T402] RBP: ffffc900008d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.371555][  T402] R10: ffffc900008d7010 R11: ffffffffb2f79160 R12: 1ffff9200011ade2
[   29.372144][  T402] R13: 00000000000005dc R14: ffffc900008d7010 R15: ffff888017002f08
[   29.372740][  T402] FS:  00007f5fcf2e3800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000
[   29.373394][  T402] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.373941][  T402] CR2: 00000000004e68a0 CR3: 0000000015590002 CR4: 0000000000772ef0
[   29.374527][  T402] PKRU: 55555554
[   29.374774][  T402] Call Trace:
[   29.375094][  T402]  <TASK>
[ 29.375295][ T402] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.375629][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.376022][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.376405][ T402] netif_set_mtu (net/core/dev.c:9652) 
[ 29.376879][ T402] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.377291][ T402] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.377563][ T402] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.378068][ T402] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.378552][ T402] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.378952][ T402] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.379311][ T402] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.379777][ T402] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.380250][ T402] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.380657][ T402] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.381035][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.381465][ T402] ? __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) 
[ 29.381871][ T402] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.382396][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.382763][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.383112][ T402] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.383502][ T402] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.383914][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.384395][ T402] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.384777][ T402] ? __create_object (mm/kmemleak.c:771) 
[ 29.385214][ T402] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.385596][ T402] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.386036][ T402] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.386540][ T402] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.386979][ T402] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.387411][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.387779][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.388207][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.388574][ T402] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.388953][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.389347][ T402] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.389734][ T402] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.390108][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.390585][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.390953][ T402] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.391347][ T402] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.391744][ T402] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.392153][ T402] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.392559][ T402] ? 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) 
[ 29.392993][ T402] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.393349][ T402] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.393724][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.394133][ T402] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.394551][ T402] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.394949][ T402] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.395338][ T402] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.395716][ T402] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.396093][ T402] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.396588][ T402] ___sys_sendmsg (net/socket.c:2670) 
[ 29.396998][ T402] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.397436][ T402] ? __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) 
[ 29.397930][ T402] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.398306][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.398674][ T402] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.399121][ T402] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.399537][ T402] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.399912][ T402] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.400298][ T402] __sys_sendmsg (net/socket.c:2700) 
[ 29.400660][ T402] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.401170][ T402] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.401593][ T402] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.401939][ T402] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.402352][ T402] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.402840][  T402] RIP: 0033:0x7f5fcf4b01e7
[ 29.403218][ T402] 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)
[   29.404561][  T402] RSP: 002b:00007ffdf9a5a518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.405130][  T402] RAX: ffffffffffffffda RBX: 00007ffdf9a5ac40 RCX: 00007f5fcf4b01e7
[   29.405732][  T402] RDX: 0000000000000000 RSI: 00007ffdf9a5a580 RDI: 0000000000000005
[   29.406409][  T402] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.407004][  T402] R10: 000000001a2c7910 R11: 0000000000000246 R12: 0000000000000004
[   29.407558][  T402] R13: 00000000686e2082 R14: 0000000000499600 R15: 0000000000000000
| [   30.232480][  T408] ------------[ cut here ]------------
| [ 30.233147][ T408] WARNING: CPU: 0 PID: 408 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) 
| [   30.234132][  T408] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.235720][  T408] Tainted: [W]=WARN
[   30.235982][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.236405][ T408] 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) 
[ 30.236755][ T408] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.237991][  T408] RSP: 0018:ffffc900009c6ef0 EFLAGS: 00010246
[   30.238483][  T408] RAX: 0000000000000000 RBX: ffff888017002000 RCX: 0000000000000001
[   30.239040][  T408] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   30.239545][  T408] RBP: ffffc900009c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.240095][  T408] R10: ffffc900009c7010 R11: ffffffffb38a8918 R12: 1ffff92000138de2
[   30.240657][  T408] R13: 00000000000005dc R14: ffffc900009c7010 R15: ffff888017002f08
[   30.241213][  T408] FS:  00007fa1aab5b800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000
[   30.241818][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.242276][  T408] CR2: 00000000004e68a0 CR3: 000000000c43d005 CR4: 0000000000772ef0
[   30.242823][  T408] PKRU: 55555554
[   30.243094][  T408] Call Trace:
[   30.243335][  T408]  <TASK>
[ 30.243508][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.243848][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.244184][ T408] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.244504][ T408] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.244958][ T408] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.245283][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 30.245633][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.246029][ T408] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.246499][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.246742][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.247241][ T408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.247647][ T408] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.247984][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.248354][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.248777][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.249135][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.249482][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.249919][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.250323][ T408] ? __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) 
[ 30.250654][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.251094][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.251426][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.251747][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.252137][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.252466][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.252802][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.253167][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 30.253527][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.253885][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.254232][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.254681][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.255056][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.255444][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.255792][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.256130][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.256461][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.256796][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.257139][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.257522][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.257894][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.258233][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.258573][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.258929][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.259288][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.259619][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.259951][ T408] ? 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) 
[ 30.260279][ T408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.260612][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.261001][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.261371][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.261727][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.262070][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.262464][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.262842][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.263199][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.263637][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 30.263977][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.264346][ T408] ? __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) 
[ 30.264809][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.265179][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.265508][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.265862][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.266224][ T408] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.266597][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.266946][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 30.267281][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.267752][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.268150][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.268525][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.268912][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.269364][  T408] RIP: 0033:0x7fa1aad281e7
[ 30.269721][ T408] 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)
[   30.271028][  T408] RSP: 002b:00007ffe27b383f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.271573][  T408] RAX: ffffffffffffffda RBX: 00007ffe27b38b20 RCX: 00007fa1aad281e7
[   30.272070][  T408] RDX: 0000000000000000 RSI: 00007ffe27b38460 RDI: 0000000000000005
[   30.272557][  T408] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.273095][  T408] R10: 000000003ad21910 R11: 0000000000000246 R12: 0000000000000004
[   30.273594][  T408] R13: 00000000686e2083 R14: 0000000000499600 R15: 0000000000000000
| [   34.788761][  T457] ------------[ cut here ]------------
| [ 34.789113][ T457] WARNING: CPU: 3 PID: 457 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.789723][  T457] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.792143][  T457] Tainted: [W]=WARN
[   34.792376][  T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.792757][ T457] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.793086][ T457] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.794187][  T457] RSP: 0018:ffffc90000c9eef0 EFLAGS: 00010246
[   34.794578][  T457] RAX: 0000000000000000 RBX: ffff88800b7ca000 RCX: 0000000000000001
[   34.795076][  T457] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   34.795535][  T457] RBP: ffffc90000c9efe0 R08: 0000000000000000 R09: 0000000000000000
[   34.796001][  T457] R10: ffffc90000c9f010 R11: ffffffffb2f79160 R12: 1ffff92000193de2
[   34.796467][  T457] R13: 00000000000005dc R14: ffffc90000c9f010 R15: ffff88800b7caf08
[   34.796970][  T457] FS:  00007f18f9a00800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000
[   34.797547][  T457] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.797972][  T457] CR2: 00000000004e68a0 CR3: 000000000c451002 CR4: 0000000000772ef0
[   34.798492][  T457] PKRU: 55555554
[   34.798730][  T457] Call Trace:
[   34.798973][  T457]  <TASK>
[ 34.799135][ T457] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.799489][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.799811][ T457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.800157][ T457] netif_set_mtu (net/core/dev.c:9652) 
[ 34.800496][ T457] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.800838][ T457] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.801078][ T457] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.801508][ T457] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.801893][ T457] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.802237][ T457] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.802548][ T457] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.802950][ T457] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.803272][ T457] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.803580][ T457] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.803902][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.804214][ T457] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.804520][ T457] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.804908][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.805220][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.805532][ T457] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.805858][ T457] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.806167][ T457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.806472][ T457] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.806774][ T457] ? __create_object (mm/kmemleak.c:771) 
[ 34.807093][ T457] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.807401][ T457] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.807706][ T457] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.808131][ T457] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.808452][ T457] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.808760][ T457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.809073][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.809387][ T457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.809697][ T457] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.810018][ T457] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.810325][ T457] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.810635][ T457] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.810987][ T457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.811312][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.811655][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.812006][ T457] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.812320][ T457] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.812656][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.812986][ T457] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.813336][ T457] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.813673][ T457] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.814002][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.814355][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.814669][ T457] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.815006][ T457] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.815335][ T457] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.815684][ T457] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.816002][ T457] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.816417][ T457] ___sys_sendmsg (net/socket.c:2670) 
[ 34.816749][ T457] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.817069][ T457] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.817459][ T457] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.817783][ T457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.818135][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.818482][ T457] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.818808][ T457] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.819140][ T457] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.819467][ T457] __sys_sendmsg (net/socket.c:2700) 
[ 34.819787][ T457] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.820207][ T457] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.820540][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.820873][ T457] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.821205][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.821595][  T457] RIP: 0033:0x7f18f9bcd1e7
[ 34.821944][ T457] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.823114][  T457] RSP: 002b:00007fffd5b79198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.823600][  T457] RAX: ffffffffffffffda RBX: 00007fffd5b798c0 RCX: 00007f18f9bcd1e7
[   34.824071][  T457] RDX: 0000000000000000 RSI: 00007fffd5b79200 RDI: 0000000000000005
[   34.824555][  T457] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.825051][  T457] R10: 000000000d782910 R11: 0000000000000246 R12: 0000000000000004
[   34.825524][  T457] R13: 00000000686e2087 R14: 0000000000499600 R15: 0000000000000000
| [   35.512382][  T463] ------------[ cut here ]------------
| [ 35.512699][ T463] WARNING: CPU: 3 PID: 463 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) 
| [   35.513319][  T463] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.514607][  T463] Tainted: [W]=WARN
[   35.514846][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.515231][ T463] 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) 
[ 35.515549][ T463] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.516648][  T463] RSP: 0018:ffffc90000ae6ef0 EFLAGS: 00010246
[   35.517044][  T463] RAX: 0000000000000000 RBX: ffff88800b7ca000 RCX: 0000000000000001
[   35.517508][  T463] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   35.517972][  T463] RBP: ffffc90000ae6fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.518447][  T463] R10: ffffc90000ae7010 R11: ffffffffb2f79160 R12: 1ffff9200015cde2
[   35.520184][  T463] R13: 00000000000005dc R14: ffffc90000ae7010 R15: ffff88800b7caf08
[   35.520649][  T463] FS:  00007f81a9c36800(0000) GS:ffff888081837000(0000) knlGS:0000000000000000
[   35.521202][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.521586][  T463] CR2: 00000000004e5468 CR3: 0000000005497003 CR4: 0000000000772ef0
[   35.522052][  T463] PKRU: 55555554
[   35.522282][  T463] Call Trace:
[   35.522509][  T463]  <TASK>
[ 35.522670][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.523020][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.523340][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.523648][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 35.523961][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.524281][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.524513][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.524955][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.525321][ T463] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.525636][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.525955][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.526374][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.526694][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.527019][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.527350][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.527676][ T463] ? __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) 
[ 35.528016][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.528417][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.528751][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.529096][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.529413][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.529732][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.530055][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.530401][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 35.530710][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.531037][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.531383][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.531783][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.532109][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.532459][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.532789][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.533118][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.533425][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.533764][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.534107][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.534413][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.534751][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.535084][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.535435][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.535763][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.536085][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.536431][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.536770][ T463] ? 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) 
[ 35.537092][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.537406][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.537720][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.538055][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.538376][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.538690][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.539030][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.539344][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.539683][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.540116][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 35.540427][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.540745][ T463] ? __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) 
[ 35.541163][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.541492][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.541811][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.542148][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.542469][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.542791][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.543131][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 35.543434][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.543860][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.544198][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.544515][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.544846][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.545250][  T463] RIP: 0033:0x7f81a9e031e7
[ 35.545568][ T463] 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)
[   35.546753][  T463] RSP: 002b:00007ffd26e559f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.547247][  T463] RAX: ffffffffffffffda RBX: 00007ffd26e56120 RCX: 00007f81a9e031e7
[   35.547710][  T463] RDX: 0000000000000000 RSI: 00007ffd26e55a60 RDI: 0000000000000005
[   35.548216][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.548702][  T463] R10: 00000000182ca910 R11: 0000000000000246 R12: 0000000000000004
[   35.549188][  T463] R13: 00000000686e2088 R14: 0000000000499600 R15: 0000000000000000
| [   38.932479][  T502] ------------[ cut here ]------------
| [ 38.932892][ T502] WARNING: CPU: 1 PID: 502 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) 
| [   38.933518][  T502] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.934872][  T502] Tainted: [W]=WARN
[   38.935112][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.935499][ T502] 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) 
[ 38.935816][ T502] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.937059][  T502] RSP: 0018:ffffc90000e6eef0 EFLAGS: 00010246
[   38.937453][  T502] RAX: 0000000000000000 RBX: ffff88800b7ca000 RCX: 0000000000000001
[   38.937955][  T502] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   38.938440][  T502] RBP: ffffc90000e6efe0 R08: 0000000000000000 R09: 0000000000000000
[   38.939052][  T502] R10: ffffc90000e6f010 R11: ffffffffb38a8918 R12: 1ffff920001cdde2
[   38.939538][  T502] R13: 00000000000005dc R14: ffffc90000e6f010 R15: ffff88800b7caf08
[   38.940084][  T502] FS:  00007f742326f800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000
[   38.940674][  T502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.941107][  T502] CR2: 00000000004e5b28 CR3: 000000000a215001 CR4: 0000000000772ef0
[   38.941629][  T502] PKRU: 55555554
[   38.941878][  T502] Call Trace:
[   38.942117][  T502]  <TASK>
[ 38.942279][ T502] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.942590][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.942939][ T502] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.943254][ T502] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.943670][ T502] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.944011][ T502] netif_set_mtu (net/core/dev.c:9652) 
[ 38.944322][ T502] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.944680][ T502] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.945261][ T502] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.945507][ T502] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.945970][ T502] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.946339][ T502] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.946670][ T502] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.947035][ T502] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.947441][ T502] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.947788][ T502] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.948181][ T502] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.948526][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.948931][ T502] ? __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) 
[ 38.949315][ T502] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.949704][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.950042][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.950367][ T502] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.950718][ T502] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.951090][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.951456][ T502] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.951774][ T502] ? __create_object (mm/kmemleak.c:771) 
[ 38.952114][ T502] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.952448][ T502] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.952761][ T502] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.953182][ T502] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.953509][ T502] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.953849][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.954163][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.954525][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.954859][ T502] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.955189][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.955499][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.955850][ T502] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.956179][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.956561][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.956919][ T502] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.957238][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.957549][ T502] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.957898][ T502] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.958259][ T502] ? 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) 
[ 38.958590][ T502] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.958941][ T502] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.959276][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.959634][ T502] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.959970][ T502] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.960315][ T502] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.960666][ T502] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.961050][ T502] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.961396][ T502] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.961814][ T502] ___sys_sendmsg (net/socket.c:2670) 
[ 38.962222][ T502] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.962588][ T502] ? __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) 
[ 38.963042][ T502] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.963356][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.963700][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.964045][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.964352][ T502] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.964672][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.965020][ T502] __sys_sendmsg (net/socket.c:2700) 
[ 38.965355][ T502] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.965787][ T502] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.966150][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.966496][ T502] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.966805][ T502] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.967299][  T502] RIP: 0033:0x7f742343c1e7
[ 38.967649][ T502] 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)
[   38.968817][  T502] RSP: 002b:00007fff91091ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.969329][  T502] RAX: ffffffffffffffda RBX: 00007fff910925d0 RCX: 00007f742343c1e7
[   38.969802][  T502] RDX: 0000000000000000 RSI: 00007fff91091f10 RDI: 0000000000000005
[   38.970335][  T502] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.970812][  T502] R10: 000000002781c910 R11: 0000000000000246 R12: 0000000000000004
[   38.971303][  T502] R13: 00000000686e208b R14: 0000000000499600 R15: 0000000000000000
| [   54.928251][  T613] ------------[ cut here ]------------
| [ 54.928582][ T613] WARNING: CPU: 0 PID: 613 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) 
| [   54.929221][  T613] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.930524][  T613] Tainted: [W]=WARN
[   54.930763][  T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.931164][ T613] 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) 
[ 54.931492][ T613] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.933649][  T613] RSP: 0018:ffffc9000129ef70 EFLAGS: 00010246
[   54.934057][  T613] RAX: 0000000000000000 RBX: ffff88800c6da000 RCX: 0000000000000001
[   54.934681][  T613] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   54.935167][  T613] RBP: ffffc9000129f058 R08: 0000000000000000 R09: 0000000000000000
[   54.935639][  T613] R10: ffffc9000129f088 R11: ffffffffaee00130 R12: 1ffff92000253df2
[   54.936115][  T613] R13: 00000000000005dc R14: ffffc9000129f088 R15: ffff88800c6daf08
[   54.936580][  T613] FS:  00007f75552ea800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000
[   54.937131][  T613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.937526][  T613] CR2: 00000000004e5468 CR3: 00000000155d3004 CR4: 0000000000772ef0
[   54.938000][  T613] PKRU: 55555554
[   54.938249][  T613] Call Trace:
[   54.938497][  T613]  <TASK>
[ 54.938657][ T613] ? __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) 
[ 54.939065][ T613] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.939440][ T613] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.939755][ T613] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.940074][ T613] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.940385][ T613] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.940695][ T613] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.941011][ T613] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.941331][ T613] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.941636][ T613] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.941963][ T613] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.942279][ T613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.942664][ T613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.943003][ T613] netif_set_mtu (net/core/dev.c:9652) 
[ 54.943318][ T613] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.943644][ T613] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.943888][ T613] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.944323][ T613] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.944669][ T613] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.944987][ T613] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.945309][ T613] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.945645][ T613] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.946052][ T613] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.946384][ T613] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.946718][ T613] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.947104][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.947423][ T613] ? __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) 
[ 54.947745][ T613] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.948178][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.948496][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.948809][ T613] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.949125][ T613] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.949444][ T613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.949757][ T613] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.950075][ T613] ? __create_object (mm/kmemleak.c:771) 
[ 54.950396][ T613] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.950712][ T613] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.951034][ T613] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.951868][ T613] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.952206][ T613] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.952534][ T613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.952863][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.953197][ T613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.953520][ T613] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.953853][ T613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.954181][ T613] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.954518][ T613] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.954861][ T613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.955196][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.955527][ T613] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.955862][ T613] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.956190][ T613] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.956525][ T613] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.956856][ T613] ? 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) 
[ 54.957187][ T613] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.957513][ T613] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.957847][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.958189][ T613] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.958516][ T613] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.958856][ T613] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.959172][ T613] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.959483][ T613] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.959803][ T613] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.960216][ T613] ___sys_sendmsg (net/socket.c:2670) 
[ 54.960525][ T613] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.960847][ T613] ? __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) 
[ 54.961234][ T613] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.961546][ T613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.961870][ T613] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.962191][ T613] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.962506][ T613] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.962816][ T613] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.963142][ T613] __sys_sendmsg (net/socket.c:2700) 
[ 54.963447][ T613] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.963839][ T613] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.964161][ T613] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.964474][ T613] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.964781][ T613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.965177][  T613] RIP: 0033:0x7f75554b71e7
[ 54.965497][ T613] 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)
[   54.966608][  T613] RSP: 002b:00007fffbbd85a18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.967090][  T613] RAX: ffffffffffffffda RBX: 00007fffbbd86140 RCX: 00007f75554b71e7
[   54.967552][  T613] RDX: 0000000000000000 RSI: 00007fffbbd85a80 RDI: 0000000000000005
[   54.968019][  T613] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.968511][  T613] R10: 00007f75553b4ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.968982][  T613] R13: 00000000686e209b R14: 0000000000499600 R15: 0000000000000000
| [   55.434863][  T616] ------------[ cut here ]------------
| [ 55.435231][ T616] WARNING: CPU: 1 PID: 616 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) 
| [   55.435864][  T616] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   55.437482][  T616] Tainted: [W]=WARN
[   55.437728][  T616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.438330][ T616] 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) 
[ 55.438659][ T616] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   55.439816][  T616] RSP: 0018:ffffc900012cee80 EFLAGS: 00010246
[   55.440224][  T616] RAX: 0000000000000000 RBX: ffff88800c6da000 RCX: 0000000000000001
[   55.440712][  T616] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   55.441212][  T616] RBP: ffffc900012cef68 R08: 0000000000000000 R09: 0000000000000000
[   55.441698][  T616] R10: ffffc900012cef98 R11: ffffffffb1e08d81 R12: 1ffff92000259dd4
[   55.442207][  T616] R13: 00000000000005dc R14: ffffc900012cef98 R15: ffff88800c6daf08
[   55.442694][  T616] FS:  00007fa5f9ba1800(0000) GS:ffff888081737000(0000) knlGS:0000000000000000
[   55.443245][  T616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.443644][  T616] CR2: 00000000004e5730 CR3: 000000000b583005 CR4: 0000000000772ef0
[   55.444139][  T616] PKRU: 55555554
[   55.444387][  T616] Call Trace:
[   55.444622][  T616]  <TASK>
[ 55.444787][ T616] ? __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) 
[ 55.445189][ T616] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.445556][ T616] ? br_device_event (net/bridge/br.c:141) bridge 
[ 55.445929][ T616] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 55.446258][ T616] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.446579][ T616] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.446905][ T616] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.447215][ T616] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.447528][ T616] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.447859][ T616] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.448181][ T616] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.448498][ T616] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.448822][ T616] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.449244][ T616] netif_set_mtu (net/core/dev.c:9652) 
[ 55.449560][ T616] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.449904][ T616] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.450147][ T616] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.450579][ T616] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.450944][ T616] br_device_event (net/bridge/br.c:141) bridge 
[ 55.451304][ T616] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 55.451734][ T616] ? netconsole_netdev_event (drivers/net/netconsole.c:1474) 
[ 55.452087][ T616] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 55.452418][ T616] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 55.452823][ T616] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 55.453243][ T616] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 55.453568][ T616] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 55.453910][ T616] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 55.454274][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.454601][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.454939][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.455260][ T616] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.455580][ T616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.455911][ T616] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 55.456227][ T616] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.456554][ T616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.456904][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.457253][ T616] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.457574][ T616] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.457911][ T616] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.458249][ T616] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.458560][ T616] ? 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) 
[ 55.458939][ T616] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.459271][ T616] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.459591][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.459929][ T616] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.460254][ T616] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.460578][ T616] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.460919][ T616] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.461250][ T616] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.461571][ T616] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.461996][ T616] ___sys_sendmsg (net/socket.c:2670) 
[ 55.462317][ T616] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.462642][ T616] ? __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) 
[ 55.463071][ T616] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.463397][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.463733][ T616] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.464074][ T616] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.464395][ T616] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.464715][ T616] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.465055][ T616] __sys_sendmsg (net/socket.c:2700) 
[ 55.465380][ T616] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.465778][ T616] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.466128][ T616] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.466462][ T616] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.466788][ T616] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.467188][  T616] RIP: 0033:0x7fa5f9d6e1e7
[ 55.467517][ T616] 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)
[   55.468690][  T616] RSP: 002b:00007fff52fa9478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.469198][  T616] RAX: ffffffffffffffda RBX: 00007fff52fa9ba0 RCX: 00007fa5f9d6e1e7
[   55.469695][  T616] RDX: 0000000000000000 RSI: 00007fff52fa94e0 RDI: 0000000000000005
[   55.470205][  T616] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   55.470716][  T616] R10: 00007fa5f9c6bee8 R11: 0000000000000246 R12: 0000000000000002
[   55.471225][  T616] R13: 00000000686e209c R14: 0000000000499600 R15: 0000000000000000
| [   56.056958][  T622] ------------[ cut here ]------------
| [ 56.057308][ T622] WARNING: CPU: 0 PID: 622 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) 
| [   56.057973][  T622] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   56.059289][  T622] Tainted: [W]=WARN
[   56.059526][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.059924][ T622] 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) 
[ 56.060245][ T622] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.061399][  T622] RSP: 0018:ffffc9000113ef70 EFLAGS: 00010246
[   56.061799][  T622] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   56.062284][  T622] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   56.062750][  T622] RBP: ffffc9000113f058 R08: 0000000000000000 R09: 0000000000000000
[   56.064372][  T622] R10: ffffc9000113f088 R11: ffffffffb2f79160 R12: 1ffff92000227df2
[   56.064856][  T622] R13: 00000000000005dc R14: ffffc9000113f088 R15: ffff888005162f08
[   56.065324][  T622] FS:  00007f33a84ad800(0000) GS:ffff8880816b7000(0000) knlGS:0000000000000000
[   56.065902][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.066298][  T622] CR2: 00000000004e5aa8 CR3: 000000000aacc002 CR4: 0000000000772ef0
[   56.066764][  T622] PKRU: 55555554
[   56.067009][  T622] Call Trace:
[   56.067242][  T622]  <TASK>
[ 56.067398][ T622] ? __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) 
[ 56.067790][ T622] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.068179][ T622] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.068489][ T622] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.068809][ T622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.069128][ T622] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.069439][ T622] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.069749][ T622] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.070086][ T622] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.070399][ T622] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.070707][ T622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.071033][ T622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.071416][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.071735][ T622] netif_set_mtu (net/core/dev.c:9652) 
[ 56.072055][ T622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.072384][ T622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.072622][ T622] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.073064][ T622] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.073410][ T622] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.073737][ T622] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.074089][ T622] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.074437][ T622] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.074853][ T622] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.075161][ T622] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.075471][ T622] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.075783][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.076121][ T622] ? __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) 
[ 56.076431][ T622] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.076815][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.077138][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.077448][ T622] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.077756][ T622] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.078087][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.078414][ T622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.078721][ T622] ? __create_object (mm/kmemleak.c:771) 
[ 56.079043][ T622] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.079355][ T622] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.079663][ T622] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.080059][ T622] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.080374][ T622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.080691][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.081020][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.081336][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.081645][ T622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.081974][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.082288][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.082597][ T622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.082919][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.083240][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.083556][ T622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.083878][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.084189][ T622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.084510][ T622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.084817][ T622] ? 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) 
[ 56.085142][ T622] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.085461][ T622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.085778][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.086113][ T622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.086427][ T622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.086737][ T622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.087074][ T622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.087388][ T622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.087693][ T622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.088117][ T622] ___sys_sendmsg (net/socket.c:2670) 
[ 56.088462][ T622] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.088770][ T622] ? __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) 
[ 56.089179][ T622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.089492][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.089804][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.090142][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.090465][ T622] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.090772][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.091123][ T622] __sys_sendmsg (net/socket.c:2700) 
[ 56.091431][ T622] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.091817][ T622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.092150][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.092464][ T622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.092780][ T622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.093173][  T622] RIP: 0033:0x7f33a867a1e7
[ 56.093497][ T622] 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)
[   56.094623][  T622] RSP: 002b:00007ffeb6717348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.095113][  T622] RAX: ffffffffffffffda RBX: 00007ffeb6717a70 RCX: 00007f33a867a1e7
[   56.095578][  T622] RDX: 0000000000000000 RSI: 00007ffeb67173b0 RDI: 0000000000000005
[   56.096050][  T622] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.096514][  T622] R10: 00007f33a8577ee8 R11: 0000000000000246 R12: 0000000000000003
[   56.096993][  T622] R13: 00000000686e209c R14: 0000000000499600 R15: 0000000000000000
| [   56.226338][  T623] ------------[ cut here ]------------
| [ 56.226729][ T623] WARNING: CPU: 2 PID: 623 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) 
| [   56.228866][  T623] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   56.230631][  T623] Tainted: [W]=WARN
[   56.230907][  T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 56.231321][ T623] 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) 
[ 56.231685][ T623] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   56.232903][  T623] RSP: 0018:ffffc900012fef70 EFLAGS: 00010246
[   56.233462][  T623] RAX: 0000000000000000 RBX: ffff888005162000 RCX: 0000000000000001
[   56.234068][  T623] RDX: 0000000000000000 RSI: ffffffffb2a9b941 RDI: ffffffffb22555e0
[   56.234702][  T623] RBP: ffffc900012ff058 R08: 0000000000000000 R09: 0000000000000000
[   56.235319][  T623] R10: ffffc900012ff088 R11: ffffffffb2f79160 R12: 1ffff9200025fdf2
[   56.235845][  T623] R13: 00000000000005dc R14: ffffc900012ff088 R15: ffff888005162f08
[   56.236362][  T623] FS:  00007f6c50b46800(0000) GS:ffff8880817b7000(0000) knlGS:0000000000000000
[   56.236964][  T623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.237419][  T623] CR2: 00000000004e73b8 CR3: 000000000937c003 CR4: 0000000000772ef0
[   56.237933][  T623] PKRU: 55555554
[   56.238202][  T623] Call Trace:
[   56.238507][  T623]  <TASK>
[ 56.238686][ T623] ? __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) 
[ 56.239114][ T623] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 56.239524][ T623] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.239877][ T623] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.240309][ T623] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 56.240698][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.241121][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.241489][ T623] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.241843][ T623] ? ___sys_sendmsg (net/socket.c:2670) 
[ 56.242189][ T623] ? __sys_sendmsg (net/socket.c:2700) 
[ 56.242620][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.242969][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 56.243395][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.243745][ T623] netif_set_mtu (net/core/dev.c:9652) 
[ 56.244098][ T623] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 56.244465][ T623] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 56.244727][ T623] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 56.245289][ T623] br_del_if (net/bridge/br_if.c:743) bridge 
[ 56.245729][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 56.246167][ T623] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 56.246602][ T623] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 56.246962][ T623] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 56.247401][ T623] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 56.247737][ T623] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 56.248100][ T623] ? __kernel_text_address (kernel/extable.c:79) 
[ 56.248466][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.248806][ T623] ? __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) 
[ 56.249155][ T623] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 56.249611][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.249962][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.250298][ T623] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 56.250654][ T623] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 56.251007][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.251352][ T623] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 56.251687][ T623] ? __create_object (mm/kmemleak.c:771) 
[ 56.252042][ T623] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 56.252407][ T623] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 56.252745][ T623] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 56.253254][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 56.253712][ T623] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 56.254130][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.254549][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.254989][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.255470][ T623] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 56.255988][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.256574][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 56.257054][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 56.257433][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.257777][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.258145][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 56.258489][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 56.258818][ T623] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 56.259176][ T623] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 56.259532][ T623] ? 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) 
[ 56.259879][ T623] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 56.260220][ T623] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 56.260582][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.260941][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 56.261452][ T623] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 56.262039][ T623] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 56.262617][ T623] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 56.263228][ T623] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 56.263789][ T623] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 56.264515][ T623] ___sys_sendmsg (net/socket.c:2670) 
[ 56.264896][ T623] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 56.265318][ T623] ? __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) 
[ 56.265894][ T623] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 56.266245][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.266599][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 56.266959][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 56.267294][ T623] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 56.267703][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 56.268131][ T623] __sys_sendmsg (net/socket.c:2700) 
[ 56.268517][ T623] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 56.269005][ T623] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 56.269434][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 56.269878][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 56.270218][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   56.270643][  T623] RIP: 0033:0x7f6c50d131e7
[ 56.271002][ T623] 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)
[   56.272201][  T623] RSP: 002b:00007ffcb2a36698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   56.272735][  T623] RAX: ffffffffffffffda RBX: 00007ffcb2a36dc0 RCX: 00007f6c50d131e7
[   56.273243][  T623] RDX: 0000000000000000 RSI: 00007ffcb2a36700 RDI: 0000000000000005
[   56.273819][  T623] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   56.274335][  T623] R10: 00007f6c50c10ee8 R11: 0000000000000246 R12: 0000000000000003


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