======================================
| [   23.670826][  T347] br1: port 1(vx10) entered forwarding state
| [   23.672115][  T347] ------------[ cut here ]------------
| [ 23.672452][ T347] WARNING: CPU: 1 PID: 347 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) 
| [   23.673147][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.674474][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.675851][ T347] 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) 
[ 23.676202][ T347] 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
[   23.677370][  T347] RSP: 0018:ffffc90000516ef0 EFLAGS: 00010246
[   23.677800][  T347] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[   23.678293][  T347] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   23.678774][  T347] RBP: ffffc90000516fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.679272][  T347] R10: ffffc90000517010 R11: ffffffff91ea8918 R12: 1ffff920000a2de2
[   23.679756][  T347] R13: 00000000000005dc R14: ffffc90000517010 R15: ffff8880061c2f08
[   23.680248][  T347] FS:  00007f4ee9eee800(0000) GS:ffff8880a3137000(0000) knlGS:0000000000000000
[   23.680826][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.681236][  T347] CR2: 00000000004e5ce0 CR3: 000000000ddee002 CR4: 0000000000772ef0
[   23.681724][  T347] PKRU: 55555554
[   23.681985][  T347] Call Trace:
[   23.682239][  T347]  <TASK>
[ 23.682411][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.682762][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.683114][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.683434][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.683852][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.684177][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.684506][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.684846][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.685347][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.685594][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.686044][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.686410][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.686735][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.687088][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.687487][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.687841][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.688162][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.688493][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.688824][ T347] ? __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) 
[ 23.689148][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.689545][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.689889][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.690212][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.690530][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.690860][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.691182][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.691496][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.691836][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.692158][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.692486][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.692892][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.693213][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.693541][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.693869][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.694196][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.694516][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.694843][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.695168][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.695485][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.695813][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.696138][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.696461][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.696795][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.697133][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.697467][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.697800][ T347] ? 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) 
[ 23.698131][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.698478][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.698812][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.699141][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.699466][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.699803][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.700136][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.700464][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.700794][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.701200][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.701501][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.701815][ T347] ? __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) 
[ 23.702212][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.702535][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.702867][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.703454][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.703759][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.704074][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.704389][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.704925][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.705323][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.705658][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.706209][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.706535][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.706958][  T347] RIP: 0033:0x7f4eea0bb1e7
[ 23.707300][ T347] 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)
[   23.708674][  T347] RSP: 002b:00007ffe2109f458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.709408][  T347] RAX: ffffffffffffffda RBX: 00007ffe2109fb80 RCX: 00007f4eea0bb1e7
[   23.709914][  T347] RDX: 0000000000000000 RSI: 00007ffe2109f4c0 RDI: 0000000000000005
[   23.710402][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.711136][  T347] R10: 0000000022c42910 R11: 0000000000000246 R12: 0000000000000004
[   23.711624][  T347] R13: 00000000686e1821 R14: 0000000000499600 R15: 0000000000000000
| [   24.231913][  T352] ------------[ cut here ]------------
| [ 24.232227][ T352] WARNING: CPU: 3 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) 
| [   24.232856][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.234300][  T352] Tainted: [W]=WARN
[   24.234551][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.234951][ 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) 
[ 24.235274][ 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
[   24.236382][  T352] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   24.236791][  T352] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[   24.237268][  T352] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   24.237723][  T352] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.238362][  T352] R10: ffffc900006c7010 R11: ffffffff91ea8918 R12: 1ffff920000d8de2
[   24.238983][  T352] R13: 00000000000005dc R14: ffffc900006c7010 R15: ffff8880061c2f08
[   24.239439][  T352] FS:  00007f6f265de800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[   24.240070][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.240458][  T352] CR2: 00000000004e5de8 CR3: 000000000fd4a001 CR4: 0000000000772ef0
[   24.240958][  T352] PKRU: 55555554
[   24.241190][  T352] Call Trace:
[   24.241419][  T352]  <TASK>
[ 24.241578][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.241898][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.242232][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.242548][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.242957][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.243275][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 24.243582][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.243910][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.244337][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.244585][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.245035][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.245404][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.245723][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.246059][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.246450][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.246759][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.247097][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.247414][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.247723][ 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) 
[ 24.248038][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.248437][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.248755][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.249081][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.249398][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.249731][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.250057][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.250364][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.250672][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.250988][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.251307][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.251697][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.252026][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.252354][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.252662][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.252983][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.253293][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.253598][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.253915][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.254223][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.254531][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.254862][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.255176][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.255483][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.255795][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.256128][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.256438][ 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) 
[ 24.256746][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.257101][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.257406][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.257716][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.258042][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.258351][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.258669][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.258985][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.259298][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.259691][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.260004][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.260322][ 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) 
[ 24.260705][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.261047][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.261355][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.261677][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.262022][ 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) 
[ 24.262333][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.262646][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.262966][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.263351][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.263707][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.264042][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.264385][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.264786][  T352] RIP: 0033:0x7f6f267ab1e7
[ 24.265101][ 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)
[   24.266218][  T352] RSP: 002b:00007ffc8c57e9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.266685][  T352] RAX: ffffffffffffffda RBX: 00007ffc8c57f0e0 RCX: 00007f6f267ab1e7
[   24.267169][  T352] RDX: 0000000000000000 RSI: 00007ffc8c57ea20 RDI: 0000000000000005
[   24.267630][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.268096][  T352] R10: 000000001335a910 R11: 0000000000000246 R12: 0000000000000004
[   24.268556][  T352] R13: 00000000686e1821 R14: 0000000000499600 R15: 0000000000000000
| [   24.490253][  T354] ------------[ cut here ]------------
| [ 24.490615][ T354] WARNING: CPU: 2 PID: 354 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) 
| [   24.491552][  T354] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.492878][  T354] Tainted: [W]=WARN
[   24.493130][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.493536][ T354] 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) 
[ 24.493903][ T354] 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
[   24.495046][  T354] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   24.495459][  T354] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[   24.495966][  T354] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   24.496452][  T354] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.496951][  T354] R10: ffffc900005a7010 R11: ffffffff91ea8918 R12: 1ffff920000b4de2
[   24.497439][  T354] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff8880061c2f08
[   24.497933][  T354] FS:  00007f765c031800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[   24.498509][  T354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.498941][  T354] CR2: 00000000004e5aa8 CR3: 000000000e0a9004 CR4: 0000000000772ef0
[   24.499411][  T354] PKRU: 55555554
[   24.499654][  T354] Call Trace:
[   24.499903][  T354]  <TASK>
[ 24.500076][ T354] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.500400][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.500758][ T354] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.501096][ T354] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.501489][ T354] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.501845][ T354] netif_set_mtu (net/core/dev.c:9652) 
[ 24.502166][ T354] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.502509][ T354] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.502973][ T354] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.503232][ T354] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.503681][ T354] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.504193][ T354] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.504519][ T354] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.504860][ T354] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.505275][ T354] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.505592][ T354] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.505950][ T354] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.506281][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.506601][ T354] ? __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) 
[ 24.506999][ T354] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.507397][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.507723][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.508047][ T354] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.508362][ T354] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.508681][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.509008][ T354] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.509324][ T354] ? __create_object (mm/kmemleak.c:771) 
[ 24.509642][ T354] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.509970][ T354] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.510293][ T354] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.510691][ T354] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.511044][ T354] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.511376][ T354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.511696][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.512034][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.512352][ T354] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.512676][ T354] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.513005][ T354] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.513324][ T354] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.513641][ T354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.513971][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.514291][ T354] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.514610][ T354] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.514938][ T354] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.515272][ T354] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.515587][ T354] ? 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) 
[ 24.515917][ T354] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.516235][ T354] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.516549][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.516894][ T354] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.517219][ T354] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.517542][ T354] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.517875][ T354] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.518203][ T354] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.518515][ T354] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.518928][ T354] ___sys_sendmsg (net/socket.c:2670) 
[ 24.519243][ T354] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.519558][ T354] ? __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) 
[ 24.519965][ T354] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.520283][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.520605][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.520937][ T354] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.521252][ T354] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.521566][ T354] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.521898][ T354] __sys_sendmsg (net/socket.c:2700) 
[ 24.522219][ T354] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.522606][ T354] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.522946][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.523263][ T354] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.523580][ T354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.523976][  T354] RIP: 0033:0x7f765c1fe1e7
[ 24.524314][ T354] 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)
[   24.525424][  T354] RSP: 002b:00007ffc7f1de4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.525902][  T354] RAX: ffffffffffffffda RBX: 00007ffc7f1dec10 RCX: 00007f765c1fe1e7
[   24.526367][  T354] RDX: 0000000000000000 RSI: 00007ffc7f1de550 RDI: 0000000000000005
[   24.526884][  T354] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.527352][  T354] R10: 000000001b8f8910 R11: 0000000000000246 R12: 0000000000000004
[   24.527822][  T354] R13: 00000000686e1822 R14: 0000000000499600 R15: 0000000000000000
| [   24.974966][  T358] ------------[ cut here ]------------
| [ 24.975275][ T358] WARNING: CPU: 3 PID: 358 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) 
| [   24.976087][  T358] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.977564][  T358] Tainted: [W]=WARN
[   24.977948][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.978341][ T358] 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) 
[ 24.978657][ T358] 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
[   24.979751][  T358] RSP: 0018:ffffc900007b6ef0 EFLAGS: 00010246
[   24.980151][  T358] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[   24.980613][  T358] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   24.981082][  T358] RBP: ffffc900007b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.981536][  T358] R10: ffffc900007b7010 R11: ffffffff91ea8918 R12: 1ffff920000f6de2
[   24.982000][  T358] R13: 00000000000005dc R14: ffffc900007b7010 R15: ffff8880061c2f08
[   24.982459][  T358] FS:  00007fd579758800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[   24.982996][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.983379][  T358] CR2: 00000000004e5ab0 CR3: 000000000e10e003 CR4: 0000000000772ef0
[   24.983853][  T358] PKRU: 55555554
[   24.984086][  T358] Call Trace:
[   24.984312][  T358]  <TASK>
[ 24.984474][ T358] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.984799][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.985131][ T358] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.985449][ T358] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.985839][ T358] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.986148][ T358] netif_set_mtu (net/core/dev.c:9652) 
[ 24.986454][ T358] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.986785][ T358] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.987228][ T358] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.987461][ T358] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.987899][ T358] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.988257][ T358] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.988567][ T358] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.988892][ T358] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.989285][ T358] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.989589][ T358] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.989899][ T358] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.990208][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.990516][ T358] ? __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) 
[ 24.990827][ T358] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.991203][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.991518][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.991839][ T358] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.992150][ T358] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.992455][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.992762][ T358] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.993102][ T358] ? __create_object (mm/kmemleak.c:771) 
[ 24.993409][ T358] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.993714][ T358] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.994030][ T358] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.994410][ T358] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.994721][ T358] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.995038][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.995341][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.995653][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.995975][ T358] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.996281][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.996587][ T358] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.996919][ T358] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.997227][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.997533][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.997868][ T358] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.998175][ T358] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.998481][ T358] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.998819][ T358] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.999122][ T358] ? 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) 
[ 24.999429][ T358] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.999738][ T358] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.000056][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.000368][ T358] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.000680][ T358] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.001002][ T358] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.001316][ T358] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.001623][ T358] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.001936][ T358] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.002324][ T358] ___sys_sendmsg (net/socket.c:2670) 
[ 25.002628][ T358] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.002942][ T358] ? __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) 
[ 25.003329][ T358] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.003637][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.003966][ T358] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.004282][ T358] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.004586][ T358] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.004905][ T358] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.005218][ T358] __sys_sendmsg (net/socket.c:2700) 
[ 25.005526][ T358] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.005913][ T358] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.006231][ T358] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.006538][ T358] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.006860][ T358] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.007246][  T358] RIP: 0033:0x7fd5799251e7
[ 25.007584][ T358] 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)
[   25.008701][  T358] RSP: 002b:00007ffd619bc448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.009178][  T358] RAX: ffffffffffffffda RBX: 00007ffd619bcb70 RCX: 00007fd5799251e7
[   25.009634][  T358] RDX: 0000000000000000 RSI: 00007ffd619bc4b0 RDI: 0000000000000005
[   25.010105][  T358] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.010563][  T358] R10: 000000002cd56910 R11: 0000000000000246 R12: 0000000000000004
[   25.011024][  T358] R13: 00000000686e1822 R14: 0000000000499600 R15: 0000000000000000
| [   29.792349][  T408] ------------[ cut here ]------------
| [ 29.792668][ 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) 
| [   29.793289][  T408] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.794557][  T408] Tainted: [W]=WARN
[   29.794805][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.795187][ 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) 
[ 29.795502][ 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
[   29.796597][  T408] RSP: 0018:ffffc90000b8eef0 EFLAGS: 00010246
[   29.797022][  T408] RAX: 0000000000000000 RBX: ffff88801206a000 RCX: 0000000000000001
[   29.797480][  T408] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   29.797943][  T408] RBP: ffffc90000b8efe0 R08: 0000000000000000 R09: 0000000000000000
[   29.798396][  T408] R10: ffffc90000b8f010 R11: ffffffff91579160 R12: 1ffff92000171de2
[   29.798863][  T408] R13: 00000000000005dc R14: ffffc90000b8f010 R15: ffff88801206af08
[   29.799319][  T408] FS:  00007f97dc858800(0000) GS:ffff8880a30b7000(0000) knlGS:0000000000000000
[   29.799861][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.800243][  T408] CR2: 00000000004e6898 CR3: 000000000ddeb005 CR4: 0000000000772ef0
[   29.800700][  T408] PKRU: 55555554
[   29.800963][  T408] Call Trace:
[   29.801193][  T408]  <TASK>
[ 29.801351][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.801660][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.801983][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.802307][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 29.802613][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.802943][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.803181][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.803619][ T408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.803978][ T408] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.804303][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.804610][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.805020][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.805336][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.805643][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.805961][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.806270][ 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) 
[ 29.806573][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.806979][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.807288][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.807591][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.807907][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.808212][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.808514][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.808823][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 29.809132][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.809438][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.809742][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.810129][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.810448][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.810759][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.811071][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.811380][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.811698][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.812022][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.812355][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.812663][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.812995][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.813316][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.813634][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.813960][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.814288][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.814618][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.814932][ 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) 
[ 29.815246][ T408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.815575][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.815898][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.816217][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.816526][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.816861][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.817177][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.817492][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.817803][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.818193][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 29.818494][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.818808][ 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) 
[ 29.819189][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.819497][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.819815][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.820124][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.820430][ 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) 
[ 29.820733][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.821053][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 29.821356][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.821732][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.822064][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.822370][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.822674][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.823058][  T408] RIP: 0033:0x7f97dca251e7
[ 29.823371][ 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)
[   29.824471][  T408] RSP: 002b:00007ffdc7e8c8b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.824935][  T408] RAX: ffffffffffffffda RBX: 00007ffdc7e8cfe0 RCX: 00007f97dca251e7
[   29.825390][  T408] RDX: 0000000000000000 RSI: 00007ffdc7e8c920 RDI: 0000000000000005
[   29.825853][  T408] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.826316][  T408] R10: 000000003e0e4910 R11: 0000000000000246 R12: 0000000000000004
[   29.826770][  T408] R13: 00000000686e1827 R14: 0000000000499600 R15: 0000000000000000
| [   30.746879][  T416] ------------[ cut here ]------------
| [ 30.747200][ T416] WARNING: CPU: 3 PID: 416 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) 
| [   30.747949][  T416] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.749248][  T416] Tainted: [W]=WARN
[   30.749481][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.750515][ T416] 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) 
[ 30.750873][ T416] 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
[   30.751998][  T416] RSP: 0018:ffffc900008a6ef0 EFLAGS: 00010246
[   30.752406][  T416] RAX: 0000000000000000 RBX: ffff88801206a000 RCX: 0000000000000001
[   30.752892][  T416] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   30.753354][  T416] RBP: ffffc900008a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.753824][  T416] R10: ffffc900008a7010 R11: ffffffff91ea8918 R12: 1ffff92000114de2
[   30.754284][  T416] R13: 00000000000005dc R14: ffffc900008a7010 R15: ffff88801206af08
[   30.754747][  T416] FS:  00007fb59f9ff800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[   30.755302][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.755695][  T416] CR2: 00000000004e5ce0 CR3: 000000000e3c3005 CR4: 0000000000772ef0
[   30.756163][  T416] PKRU: 55555554
[   30.756403][  T416] Call Trace:
[   30.756637][  T416]  <TASK>
[ 30.756807][ T416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.757151][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.757466][ T416] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.757787][ T416] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.758195][ T416] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.758500][ T416] netif_set_mtu (net/core/dev.c:9652) 
[ 30.758827][ T416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.759163][ T416] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.759594][ T416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.759842][ T416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.760283][ T416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.760636][ T416] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.760955][ T416] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.761270][ T416] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.761656][ T416] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.761987][ T416] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.762299][ T416] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.762606][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.762924][ T416] ? __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) 
[ 30.763235][ T416] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.763615][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.763934][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.764247][ T416] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.764561][ T416] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.764876][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.765181][ T416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.765490][ T416] ? __create_object (mm/kmemleak.c:771) 
[ 30.765806][ T416] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.766111][ T416] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.766413][ T416] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.766800][ T416] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.767141][ T416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.767454][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.767758][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.768100][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.768423][ T416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.768732][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.769047][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.769351][ T416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.769665][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.769984][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.770298][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.770604][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.770927][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.771244][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.771546][ T416] ? 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) 
[ 30.771864][ T416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.772176][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.772483][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.772822][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.773145][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.773464][ T416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.773793][ T416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.774114][ T416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.774431][ T416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.774861][ T416] ___sys_sendmsg (net/socket.c:2670) 
[ 30.775191][ T416] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.775512][ T416] ? __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) 
[ 30.775925][ T416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.776248][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.776577][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.776925][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.777252][ T416] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.777575][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.777908][ T416] __sys_sendmsg (net/socket.c:2700) 
[ 30.778227][ T416] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.778626][ T416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.778972][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.779299][ T416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.779620][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.780027][  T416] RIP: 0033:0x7fb59fbcc1e7
[ 30.780358][ T416] 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)
[   30.781512][  T416] RSP: 002b:00007ffe468fbb48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.782001][  T416] RAX: ffffffffffffffda RBX: 00007ffe468fc270 RCX: 00007fb59fbcc1e7
[   30.782483][  T416] RDX: 0000000000000000 RSI: 00007ffe468fbbb0 RDI: 0000000000000005
[   30.782963][  T416] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.783446][  T416] R10: 0000000028ac7910 R11: 0000000000000246 R12: 0000000000000004
[   30.783926][  T416] R13: 00000000686e1828 R14: 0000000000499600 R15: 0000000000000000
| [   31.662993][  T423] ------------[ cut here ]------------
| [ 31.663337][ T423] WARNING: CPU: 3 PID: 423 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) 
| [   31.663961][  T423] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.665246][  T423] Tainted: [W]=WARN
[   31.665485][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.665875][ T423] 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) 
[ 31.666189][ T423] 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
[   31.667313][  T423] RSP: 0018:ffffc90000c4eef0 EFLAGS: 00010246
[   31.667705][  T423] RAX: 0000000000000000 RBX: ffff88801206a000 RCX: 0000000000000001
[   31.668169][  T423] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   31.668630][  T423] RBP: ffffc90000c4efe0 R08: 0000000000000000 R09: 0000000000000000
[   31.669092][  T423] R10: ffffc90000c4f010 R11: ffffffff91579160 R12: 1ffff92000189de2
[   31.669556][  T423] R13: 00000000000005dc R14: ffffc90000c4f010 R15: ffff88801206af08
[   31.670043][  T423] FS:  00007f54bd1dd800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[   31.670576][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.670964][  T423] CR2: 00000000004e5de8 CR3: 000000000abab001 CR4: 0000000000772ef0
[   31.671430][  T423] PKRU: 55555554
[   31.671659][  T423] Call Trace:
[   31.671895][  T423]  <TASK>
[ 31.672053][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.672363][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.672677][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.672994][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 31.673300][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.673621][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.673865][ T423] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.674292][ T423] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.674647][ T423] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.674964][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.675276][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.675663][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.675982][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.676289][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.676600][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.676934][ T423] ? __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) 
[ 31.677240][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.677618][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.677935][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.678243][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.678553][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.678879][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.679184][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.679482][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 31.679798][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.680107][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.680407][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.680803][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.681122][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.681445][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.681762][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.682112][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.682435][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.682751][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.683080][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.683409][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.683737][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.684069][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.684394][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.684716][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.685043][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.685373][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.685696][ T423] ? 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) 
[ 31.686022][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.686346][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.686660][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.687004][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.687327][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.687650][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.687979][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.688300][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.688615][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.689016][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 31.689318][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.689625][ T423] ? __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) 
[ 31.690018][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.690336][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.690644][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.690965][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.691273][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.691582][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.691909][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 31.692216][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.692605][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.692938][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.693262][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.693594][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.694001][  T423] RIP: 0033:0x7f54bd3aa1e7
[ 31.694334][ T423] 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)
[   31.695492][  T423] RSP: 002b:00007ffeb2882378 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.695989][  T423] RAX: ffffffffffffffda RBX: 00007ffeb2882aa0 RCX: 00007f54bd3aa1e7
[   31.696470][  T423] RDX: 0000000000000000 RSI: 00007ffeb28823e0 RDI: 0000000000000005
[   31.696968][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.697448][  T423] R10: 0000000030142910 R11: 0000000000000246 R12: 0000000000000004
[   31.697928][  T423] R13: 00000000686e1829 R14: 0000000000499600 R15: 0000000000000000
| [   35.719562][  T463] ------------[ cut here ]------------
| [ 35.719891][ 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) 
| [   35.720494][  T463] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.721747][  T463] Tainted: [W]=WARN
[   35.721989][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.722462][ 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) 
[ 35.722788][ 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
[   35.723879][  T463] RSP: 0018:ffffc90000e0eef0 EFLAGS: 00010246
[   35.724267][  T463] RAX: 0000000000000000 RBX: ffff88801219a000 RCX: 0000000000000001
[   35.724717][  T463] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   35.725179][  T463] RBP: ffffc90000e0efe0 R08: 0000000000000000 R09: 0000000000000000
[   35.725630][  T463] R10: ffffc90000e0f010 R11: ffffffff91579160 R12: 1ffff920001c1de2
[   35.726094][  T463] R13: 00000000000005dc R14: ffffc90000e0f010 R15: ffff88801219af08
[   35.726552][  T463] FS:  00007fbdce102800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[   35.727100][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.727486][  T463] CR2: 00000000004e6898 CR3: 000000000a419006 CR4: 0000000000772ef0
[   35.727949][  T463] PKRU: 55555554
[   35.728181][  T463] Call Trace:
[   35.728409][  T463]  <TASK>
[ 35.728572][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.728884][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.729200][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.729507][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 35.729817][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.730138][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.730372][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.730836][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.731189][ T463] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.731499][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.731814][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.732197][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.732499][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.732811][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.733119][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.733423][ 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) 
[ 35.733727][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.734111][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.734423][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.734735][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.735050][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.735358][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.735663][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.735987][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 35.736333][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.736644][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.736972][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.737356][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.737668][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.737987][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.738294][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.738603][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.738917][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.739218][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.739522][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.739835][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.740140][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.740448][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.740757][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.741068][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.741374][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.741688][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.742005][ 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) 
[ 35.742312][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.742619][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.742928][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.743236][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.743543][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.743854][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.744168][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.744486][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.744800][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.745189][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 35.745487][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.745801][ 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) 
[ 35.746179][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.746488][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.746807][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.747125][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.747427][ 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) 
[ 35.747729][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.748045][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 35.748346][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.748724][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.749046][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.749355][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.749658][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.750045][  T463] RIP: 0033:0x7fbdce2cf1e7
[ 35.750355][ 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)
[   35.751439][  T463] RSP: 002b:00007ffda313bf08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.751904][  T463] RAX: ffffffffffffffda RBX: 00007ffda313c630 RCX: 00007fbdce2cf1e7
[   35.752358][  T463] RDX: 0000000000000000 RSI: 00007ffda313bf70 RDI: 0000000000000005
[   35.752819][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.753276][  T463] R10: 000000001c763910 R11: 0000000000000246 R12: 0000000000000004
[   35.753728][  T463] R13: 00000000686e182d R14: 0000000000499600 R15: 0000000000000000
| [   36.642385][  T471] ------------[ cut here ]------------
| [ 36.642696][ T471] WARNING: CPU: 1 PID: 471 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) 
| [   36.643467][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.645085][  T471] Tainted: [W]=WARN
[   36.645330][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.645719][ T471] 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) 
[ 36.646232][ T471] 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
[   36.647488][  T471] RSP: 0018:ffffc90000e6eef0 EFLAGS: 00010246
[   36.647893][  T471] RAX: 0000000000000000 RBX: ffff88801219a000 RCX: 0000000000000001
[   36.648349][  T471] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   36.648810][  T471] RBP: ffffc90000e6efe0 R08: 0000000000000000 R09: 0000000000000000
[   36.649265][  T471] R10: ffffc90000e6f010 R11: ffffffff91ea8918 R12: 1ffff920001cdde2
[   36.649725][  T471] R13: 00000000000005dc R14: ffffc90000e6f010 R15: ffff88801219af08
[   36.650183][  T471] FS:  00007f26178c6800(0000) GS:ffff8880a3137000(0000) knlGS:0000000000000000
[   36.650714][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.651106][  T471] CR2: 00000000004e5ce0 CR3: 000000000df1c004 CR4: 0000000000772ef0
[   36.651573][  T471] PKRU: 55555554
[   36.651821][  T471] Call Trace:
[   36.652053][  T471]  <TASK>
[ 36.652211][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.652517][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.652838][ T471] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 36.653143][ T471] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.653520][ T471] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.653840][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 36.654144][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.654459][ T471] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 36.654894][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.655126][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.655543][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.655927][ T471] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.656253][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.656563][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.656968][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.657276][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.657577][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.657892][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.658201][ T471] ? __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) 
[ 36.658514][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.658903][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.659210][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.659511][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.659835][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.660144][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.660452][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.660758][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 36.661076][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.661383][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.661686][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.662071][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.662381][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.662691][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.663008][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.663326][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.663629][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.663951][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.664258][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.664562][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.664880][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.665189][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.665496][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.665812][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.666118][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.666430][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.666731][ T471] ? 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) 
[ 36.667065][ T471] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.667372][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.667676][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.668007][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.668318][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.668623][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.668945][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.669253][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.669556][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.669958][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 36.670265][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.670567][ T471] ? __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) 
[ 36.670956][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.671268][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.671573][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.671927][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.672234][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.672541][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.672863][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 36.673167][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.673545][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.673870][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.674175][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.674479][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.674868][  T471] RIP: 0033:0x7f2617a931e7
[ 36.675182][ T471] 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)
[   36.676288][  T471] RSP: 002b:00007fffbc89c1d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.676747][  T471] RAX: ffffffffffffffda RBX: 00007fffbc89c900 RCX: 00007f2617a931e7
[   36.677227][  T471] RDX: 0000000000000000 RSI: 00007fffbc89c240 RDI: 0000000000000005
[   36.677682][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.678149][  T471] R10: 00000000399bb910 R11: 0000000000000246 R12: 0000000000000004
[   36.678602][  T471] R13: 00000000686e182e R14: 0000000000499600 R15: 0000000000000000
| [   37.501291][  T478] ------------[ cut here ]------------
| [ 37.501637][ T478] WARNING: CPU: 0 PID: 478 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) 
| [   37.502347][  T478] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.503746][  T478] Tainted: [W]=WARN
[   37.504015][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.504448][ T478] 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) 
[ 37.504824][ T478] 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
[   37.506046][  T478] RSP: 0018:ffffc90000eaeef0 EFLAGS: 00010246
[   37.506484][  T478] RAX: 0000000000000000 RBX: ffff88801219a000 RCX: 0000000000000001
[   37.507114][  T478] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[   37.507583][  T478] RBP: ffffc90000eaefe0 R08: 0000000000000000 R09: 0000000000000000
[   37.508058][  T478] R10: ffffc90000eaf010 R11: ffffffff91ea8918 R12: 1ffff920001d5de2
[   37.508516][  T478] R13: 00000000000005dc R14: ffffc90000eaf010 R15: ffff88801219af08
[   37.508994][  T478] FS:  00007f5bd67c5800(0000) GS:ffff8880a30b7000(0000) knlGS:0000000000000000
[   37.509527][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.509923][  T478] CR2: 00000000004e5de8 CR3: 000000000aba1003 CR4: 0000000000772ef0
[   37.510384][  T478] PKRU: 55555554
[   37.510616][  T478] Call Trace:
[   37.510854][  T478]  <TASK>
[ 37.511024][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.511333][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.511647][ T478] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 37.511964][ T478] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 37.512347][ T478] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 37.512657][ T478] netif_set_mtu (net/core/dev.c:9652) 
[ 37.513021][ T478] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.513353][ T478] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 37.513798][ T478] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.514036][ T478] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.514459][ T478] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.514837][ T478] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.515151][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.515460][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.515865][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.516173][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.516478][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.516811][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.517137][ T478] ? __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) 
[ 37.517444][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.517834][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.518143][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.518448][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.518750][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.519067][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.519379][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.519683][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 37.520000][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.520306][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.520618][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.521022][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.521338][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.521649][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.521961][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.522275][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.522581][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.522899][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.523209][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.523513][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.523828][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.524136][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.524448][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.524754][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.525076][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.525397][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.525698][ T478] ? 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) 
[ 37.526014][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.526327][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.526633][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.526958][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.527267][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.527579][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.527900][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.528211][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.528513][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.528921][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 37.529224][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.529524][ T478] ? __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) 
[ 37.529921][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.530232][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.530540][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.530858][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.531164][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.531469][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.531798][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 37.532112][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.532496][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.532832][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.533140][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.533445][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.533829][  T478] RIP: 0033:0x7f5bd69921e7
[ 37.534145][ T478] 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)
[   37.535247][  T478] RSP: 002b:00007ffc874a6078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.535709][  T478] RAX: ffffffffffffffda RBX: 00007ffc874a67a0 RCX: 00007f5bd69921e7
[   37.536176][  T478] RDX: 0000000000000000 RSI: 00007ffc874a60e0 RDI: 0000000000000005
[   37.536637][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.537117][  T478] R10: 00000000302e4910 R11: 0000000000000246 R12: 0000000000000004
[   37.537575][  T478] R13: 00000000686e182f R14: 0000000000499600 R15: 0000000000000000
| [  278.134672][ T3711] ------------[ cut here ]------------
| [ 278.135024][ T3711] WARNING: CPU: 2 PID: 3711 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) 
| [  278.135646][ T3711] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  278.137070][ T3711] Tainted: [W]=WARN
[  278.137325][ T3711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 278.137718][ T3711] 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) 
[ 278.139297][ T3711] 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
[  278.140411][ T3711] RSP: 0018:ffffc90006e1ef70 EFLAGS: 00010246
[  278.140816][ T3711] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  278.141283][ T3711] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  278.141751][ T3711] RBP: ffffc90006e1f058 R08: 0000000000000000 R09: 0000000000000000
[  278.142231][ T3711] R10: ffffc90006e1f088 R11: ffffffff8d400130 R12: 1ffff92000dc3df2
[  278.142701][ T3711] R13: 00000000000005dc R14: ffffc90006e1f088 R15: ffff8880061c2f08
[  278.143176][ T3711] FS:  00007fbbbd3ed800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[  278.143718][ T3711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.144124][ T3711] CR2: 00000000004e5de8 CR3: 000000000f7e3001 CR4: 0000000000772ef0
[  278.144596][ T3711] PKRU: 55555554
[  278.144848][ T3711] Call Trace:
[  278.145086][ T3711]  <TASK>
[ 278.145253][ T3711] ? __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) 
[ 278.145645][ T3711] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 278.146021][ T3711] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.146340][ T3711] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.146660][ T3711] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 278.146985][ T3711] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.147318][ T3711] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.147633][ T3711] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.147963][ T3711] ? ___sys_sendmsg (net/socket.c:2670) 
[ 278.148280][ T3711] ? __sys_sendmsg (net/socket.c:2700) 
[ 278.148596][ T3711] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.148930][ T3711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 278.149322][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.149655][ T3711] netif_set_mtu (net/core/dev.c:9652) 
[ 278.149988][ T3711] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 278.150322][ T3711] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 278.150567][ T3711] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 278.151013][ T3711] br_del_if (net/bridge/br_if.c:743) bridge 
[ 278.151370][ T3711] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 278.151689][ T3711] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.152019][ T3711] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.152339][ T3711] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 278.152734][ T3711] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 278.153058][ T3711] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 278.153376][ T3711] ? __kernel_text_address (kernel/extable.c:79) 
[ 278.153703][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.154038][ T3711] ? __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) 
[ 278.154357][ T3711] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 278.154749][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.155079][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.155401][ T3711] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 278.155715][ T3711] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 278.156045][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.156366][ T3711] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 278.156678][ T3711] ? __create_object (mm/kmemleak.c:771) 
[ 278.157010][ T3711] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 278.157418][ T3711] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 278.157735][ T3711] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 278.158139][ T3711] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 278.158461][ T3711] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 278.158797][ T3711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.159117][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.159445][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.159761][ T3711] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 278.160091][ T3711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.160409][ T3711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.160723][ T3711] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 278.161049][ T3711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.161376][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.161699][ T3711] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 278.162025][ T3711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.162345][ T3711] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 278.162672][ T3711] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 278.162998][ T3711] ? 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) 
[ 278.163317][ T3711] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.163642][ T3711] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 278.163967][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.164292][ T3711] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.164614][ T3711] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 278.164942][ T3711] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 278.165269][ T3711] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.165590][ T3711] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 278.165930][ T3711] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 278.166338][ T3711] ___sys_sendmsg (net/socket.c:2670) 
[ 278.166653][ T3711] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 278.166980][ T3711] ? __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) 
[ 278.167393][ T3711] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 278.167714][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.168043][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.168372][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.168696][ T3711] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 278.169028][ T3711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.169357][ T3711] __sys_sendmsg (net/socket.c:2700) 
[ 278.169675][ T3711] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 278.170071][ T3711] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 278.170401][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.170722][ T3711] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.171058][ T3711] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  278.171448][ T3711] RIP: 0033:0x7fbbbd5ba1e7
[ 278.171786][ T3711] 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)
[  278.172883][ T3711] RSP: 002b:00007ffeb447a518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  278.173362][ T3711] RAX: ffffffffffffffda RBX: 00007ffeb447ac40 RCX: 00007fbbbd5ba1e7
[  278.173837][ T3711] RDX: 0000000000000000 RSI: 00007ffeb447a580 RDI: 0000000000000005
[  278.174305][ T3711] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  278.174895][ T3711] R10: 00007fbbbd4b7ee8 R11: 0000000000000246 R12: 0000000000000003
[  278.175375][ T3711] R13: 00000000686e191f R14: 0000000000499600 R15: 0000000000000000
| [  278.299352][ T3712] ------------[ cut here ]------------
| [ 278.299669][ T3712] WARNING: CPU: 3 PID: 3712 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) 
| [  278.301272][ T3712] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  278.302597][ T3712] Tainted: [W]=WARN
[  278.302837][ T3712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 278.303222][ T3712] 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) 
[ 278.303534][ T3712] 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
[  278.304626][ T3712] RSP: 0018:ffffc90006e1ef70 EFLAGS: 00010246
[  278.305022][ T3712] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  278.305476][ T3712] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  278.305935][ T3712] RBP: ffffc90006e1f058 R08: 0000000000000000 R09: 0000000000000000
[  278.306390][ T3712] R10: ffffc90006e1f088 R11: ffffffff91579160 R12: 1ffff92000dc3df2
[  278.306854][ T3712] R13: 00000000000005dc R14: ffffc90006e1f088 R15: ffff8880061c2f08
[  278.307322][ T3712] FS:  00007f537e8b8800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[  278.307864][ T3712] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.308247][ T3712] CR2: 00000000004e5ce0 CR3: 000000000f7fc004 CR4: 0000000000772ef0
[  278.308702][ T3712] PKRU: 55555554
[  278.308938][ T3712] Call Trace:
[  278.309170][ T3712]  <TASK>
[ 278.309324][ T3712] ? __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) 
[ 278.309702][ T3712] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 278.310060][ T3712] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.310364][ T3712] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.310665][ T3712] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 278.310982][ T3712] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.311295][ T3712] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.311595][ T3712] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.311909][ T3712] ? ___sys_sendmsg (net/socket.c:2670) 
[ 278.312212][ T3712] ? __sys_sendmsg (net/socket.c:2700) 
[ 278.312513][ T3712] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.312834][ T3712] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 278.313208][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.313521][ T3712] netif_set_mtu (net/core/dev.c:9652) 
[ 278.313841][ T3712] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 278.314161][ T3712] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 278.314393][ T3712] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 278.314822][ T3712] br_del_if (net/bridge/br_if.c:743) bridge 
[ 278.315161][ T3712] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 278.315465][ T3712] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.315925][ T3712] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.316243][ T3712] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 278.316653][ T3712] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 278.316979][ T3712] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 278.317456][ T3712] ? __kernel_text_address (kernel/extable.c:79) 
[ 278.317793][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.318122][ T3712] ? __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) 
[ 278.318434][ T3712] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 278.318843][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.319171][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.319491][ T3712] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 278.319820][ T3712] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 278.320139][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.320451][ T3712] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 278.320768][ T3712] ? __create_object (mm/kmemleak.c:771) 
[ 278.321103][ T3712] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 278.321440][ T3712] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 278.321761][ T3712] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 278.322170][ T3712] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 278.322501][ T3712] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 278.322837][ T3712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.323161][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.323480][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.323806][ T3712] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 278.324131][ T3712] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.324447][ T3712] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.324759][ T3712] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 278.325082][ T3712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.325404][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.325730][ T3712] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 278.326058][ T3712] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.326385][ T3712] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 278.326720][ T3712] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 278.327053][ T3712] ? 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) 
[ 278.327385][ T3712] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.327713][ T3712] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 278.328043][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.328371][ T3712] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.328690][ T3712] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 278.329018][ T3712] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 278.329347][ T3712] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.329676][ T3712] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 278.330007][ T3712] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 278.330421][ T3712] ___sys_sendmsg (net/socket.c:2670) 
[ 278.330736][ T3712] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 278.331063][ T3712] ? __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) 
[ 278.331463][ T3712] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 278.331797][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.332124][ T3712] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.332450][ T3712] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.332774][ T3712] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 278.333105][ T3712] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.333431][ T3712] __sys_sendmsg (net/socket.c:2700) 
[ 278.333748][ T3712] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 278.334155][ T3712] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 278.334488][ T3712] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.334807][ T3712] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.335132][ T3712] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  278.335530][ T3712] RIP: 0033:0x7f537ea851e7
[ 278.335869][ T3712] 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)
[  278.337007][ T3712] RSP: 002b:00007ffc633322b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  278.337494][ T3712] RAX: ffffffffffffffda RBX: 00007ffc633329e0 RCX: 00007f537ea851e7
[  278.337982][ T3712] RDX: 0000000000000000 RSI: 00007ffc63332320 RDI: 0000000000000005
[  278.338468][ T3712] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  278.338961][ T3712] R10: 00007f537e982ee8 R11: 0000000000000246 R12: 0000000000000003
[  278.339445][ T3712] R13: 00000000686e1920 R14: 0000000000499600 R15: 0000000000000000
| [  283.862177][ T3717] ------------[ cut here ]------------
| [ 283.862503][ T3717] WARNING: CPU: 0 PID: 3717 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) 
| [  283.863168][ T3717] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  283.864960][ T3717] Tainted: [W]=WARN
[  283.865204][ T3717] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 283.865641][ T3717] 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) 
[ 283.865982][ T3717] 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
[  283.867180][ T3717] RSP: 0018:ffffc90006e4eef0 EFLAGS: 00010246
[  283.867614][ T3717] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  283.868103][ T3717] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  283.868581][ T3717] RBP: ffffc90006e4efe0 R08: 0000000000000000 R09: 0000000000000000
[  283.869073][ T3717] R10: ffffc90006e4f010 R11: ffffffff91ea8918 R12: 1ffff92000dc9de2
[  283.869555][ T3717] R13: 00000000000005dc R14: ffffc90006e4f010 R15: ffff8880061c2f08
[  283.870063][ T3717] FS:  00007fe5c0516800(0000) GS:ffff8880a30b7000(0000) knlGS:0000000000000000
[  283.870660][ T3717] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  283.871076][ T3717] CR2: 00000000004e5ce0 CR3: 000000000f40c003 CR4: 0000000000772ef0
[  283.871559][ T3717] PKRU: 55555554
[  283.871813][ T3717] Call Trace:
[  283.872051][ T3717]  <TASK>
[ 283.872215][ T3717] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 283.872559][ T3717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.872910][ T3717] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 283.873231][ T3717] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 283.873629][ T3717] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 283.873956][ T3717] netif_set_mtu (net/core/dev.c:9652) 
[ 283.874275][ T3717] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 283.874602][ T3717] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 283.875075][ T3717] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 283.875317][ T3717] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 283.875750][ T3717] br_add_if (net/bridge/br_if.c:697) bridge 
[ 283.876130][ T3717] do_set_master (net/core/rtnetlink.c:2948) 
[ 283.876449][ T3717] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 283.876769][ T3717] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 283.877229][ T3717] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 283.877550][ T3717] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 283.877874][ T3717] ? __kernel_text_address (kernel/extable.c:79) 
[ 283.878195][ T3717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.878514][ T3717] ? __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) 
[ 283.878840][ T3717] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 283.879247][ T3717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.879564][ T3717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.879920][ T3717] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 283.880235][ T3717] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 283.880550][ T3717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.880886][ T3717] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 283.881199][ T3717] ? __create_object (mm/kmemleak.c:771) 
[ 283.881518][ T3717] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 283.881851][ T3717] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 283.882186][ T3717] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 283.882600][ T3717] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 283.882939][ T3717] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 283.883276][ T3717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 283.883598][ T3717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.883941][ T3717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.884262][ T3717] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 283.884580][ T3717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 283.884935][ T3717] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 283.885259][ T3717] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 283.885584][ T3717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 283.885919][ T3717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.886246][ T3717] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 283.886570][ T3717] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 283.886900][ T3717] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 283.887270][ T3717] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 283.887587][ T3717] ? 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) 
[ 283.887921][ T3717] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 283.888246][ T3717] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 283.888566][ T3717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.888896][ T3717] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 283.889217][ T3717] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 283.889545][ T3717] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 283.889909][ T3717] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 283.890239][ T3717] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 283.890564][ T3717] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 283.890988][ T3717] ___sys_sendmsg (net/socket.c:2670) 
[ 283.891313][ T3717] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 283.891633][ T3717] ? __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) 
[ 283.892043][ T3717] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 283.892394][ T3717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.892720][ T3717] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.893060][ T3717] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.893383][ T3717] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 283.893705][ T3717] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 283.894042][ T3717] __sys_sendmsg (net/socket.c:2700) 
[ 283.894369][ T3717] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 283.894812][ T3717] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 283.895147][ T3717] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.895473][ T3717] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 283.895817][ T3717] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  283.896216][ T3717] RIP: 0033:0x7fe5c06e31e7
[ 283.896546][ T3717] 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)
[  283.897804][ T3717] RSP: 002b:00007ffe6e6a0c08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  283.898297][ T3717] RAX: ffffffffffffffda RBX: 00007ffe6e6a1330 RCX: 00007fe5c06e31e7
[  283.898787][ T3717] RDX: 0000000000000000 RSI: 00007ffe6e6a0c70 RDI: 0000000000000005
[  283.899296][ T3717] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  283.899794][ T3717] R10: 00000000258fe910 R11: 0000000000000246 R12: 0000000000000004
[  283.900282][ T3717] R13: 00000000686e1925 R14: 0000000000499600 R15: 0000000000000000
| [  284.133069][ T3719] ------------[ cut here ]------------
| [ 284.133401][ T3719] WARNING: CPU: 3 PID: 3719 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) 
| [  284.135143][ T3719] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  284.136520][ T3719] Tainted: [W]=WARN
[  284.136760][ T3719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 284.137212][ T3719] 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) 
[ 284.137534][ T3719] 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
[  284.138651][ T3719] RSP: 0018:ffffc90006e4eef0 EFLAGS: 00010246
[  284.139068][ T3719] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  284.139541][ T3719] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  284.140016][ T3719] RBP: ffffc90006e4efe0 R08: 0000000000000000 R09: 0000000000000000
[  284.140483][ T3719] R10: ffffc90006e4f010 R11: ffffffff91ea8918 R12: 1ffff92000dc9de2
[  284.140961][ T3719] R13: 00000000000005dc R14: ffffc90006e4f010 R15: ffff8880061c2f08
[  284.141421][ T3719] FS:  00007f3100783800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[  284.141959][ T3719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  284.142365][ T3719] CR2: 00000000004e5de8 CR3: 000000000f47b005 CR4: 0000000000772ef0
[  284.142838][ T3719] PKRU: 55555554
[  284.143078][ T3719] Call Trace:
[  284.143314][ T3719]  <TASK>
[ 284.143501][ T3719] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 284.143822][ T3719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.144133][ T3719] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 284.144438][ T3719] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 284.144828][ T3719] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 284.145137][ T3719] netif_set_mtu (net/core/dev.c:9652) 
[ 284.145449][ T3719] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 284.145765][ T3719] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 284.146213][ T3719] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 284.146445][ T3719] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 284.146876][ T3719] br_add_if (net/bridge/br_if.c:697) bridge 
[ 284.147241][ T3719] do_set_master (net/core/rtnetlink.c:2948) 
[ 284.147553][ T3719] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 284.147879][ T3719] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 284.148264][ T3719] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 284.148570][ T3719] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 284.148899][ T3719] ? __kernel_text_address (kernel/extable.c:79) 
[ 284.149207][ T3719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.149522][ T3719] ? __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) 
[ 284.149838][ T3719] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 284.150235][ T3719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.150548][ T3719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.150870][ T3719] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 284.151188][ T3719] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 284.151501][ T3719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.151824][ T3719] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 284.152127][ T3719] ? __create_object (mm/kmemleak.c:771) 
[ 284.152437][ T3719] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 284.152773][ T3719] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 284.153094][ T3719] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 284.153473][ T3719] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 284.153809][ T3719] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 284.154139][ T3719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 284.154452][ T3719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.154763][ T3719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.155114][ T3719] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 284.155429][ T3719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 284.155739][ T3719] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 284.156060][ T3719] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 284.156379][ T3719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 284.156690][ T3719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.157037][ T3719] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 284.157359][ T3719] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 284.157669][ T3719] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 284.158011][ T3719] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 284.158321][ T3719] ? 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) 
[ 284.158629][ T3719] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 284.158961][ T3719] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 284.159266][ T3719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.159592][ T3719] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 284.159911][ T3719] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 284.160239][ T3719] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 284.160564][ T3719] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 284.160884][ T3719] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 284.161212][ T3719] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 284.161622][ T3719] ___sys_sendmsg (net/socket.c:2670) 
[ 284.161937][ T3719] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 284.162244][ T3719] ? __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) 
[ 284.162647][ T3719] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 284.162986][ T3719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.163298][ T3719] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.163630][ T3719] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.163946][ T3719] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 284.164260][ T3719] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 284.164600][ T3719] __sys_sendmsg (net/socket.c:2700) 
[ 284.164913][ T3719] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 284.165293][ T3719] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 284.165630][ T3719] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.165951][ T3719] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 284.166279][ T3719] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  284.166655][ T3719] RIP: 0033:0x7f31009501e7
[ 284.166984][ T3719] 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)
[  284.168114][ T3719] RSP: 002b:00007ffd94dda6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  284.168577][ T3719] RAX: ffffffffffffffda RBX: 00007ffd94ddade0 RCX: 00007f31009501e7
[  284.169063][ T3719] RDX: 0000000000000000 RSI: 00007ffd94dda720 RDI: 0000000000000005
[  284.169522][ T3719] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  284.170006][ T3719] R10: 000000002da62910 R11: 0000000000000246 R12: 0000000000000004
[  284.170463][ T3719] R13: 00000000686e1925 R14: 0000000000499600 R15: 0000000000000000
| [  517.582308][ T6898] ------------[ cut here ]------------
| [ 517.582651][ T6898] WARNING: CPU: 2 PID: 6898 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) 
| [  517.583286][ T6898] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  517.584686][ T6898] Tainted: [W]=WARN
[  517.584956][ T6898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 517.585366][ T6898] 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) 
[ 517.585744][ T6898] 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
[  517.586927][ T6898] RSP: 0018:ffffc9000851ef70 EFLAGS: 00010246
[  517.587350][ T6898] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  517.589133][ T6898] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  517.589635][ T6898] RBP: ffffc9000851f058 R08: 0000000000000000 R09: 0000000000000000
[  517.590153][ T6898] R10: ffffc9000851f088 R11: ffffffff91579160 R12: 1ffff920010a3df2
[  517.590651][ T6898] R13: 00000000000005dc R14: ffffc9000851f088 R15: ffff8880061c2f08
[  517.591168][ T6898] FS:  00007fa8b276f800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[  517.591730][ T6898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  517.592150][ T6898] CR2: 00000000004e5de8 CR3: 0000000012114001 CR4: 0000000000772ef0
[  517.592621][ T6898] PKRU: 55555554
[  517.592871][ T6898] Call Trace:
[  517.593113][ T6898]  <TASK>
[ 517.593279][ T6898] ? __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) 
[ 517.593701][ T6898] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 517.594080][ T6898] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 517.594398][ T6898] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 517.594732][ T6898] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 517.595071][ T6898] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 517.595407][ T6898] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 517.595734][ T6898] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 517.596094][ T6898] ? ___sys_sendmsg (net/socket.c:2670) 
[ 517.596410][ T6898] ? __sys_sendmsg (net/socket.c:2700) 
[ 517.596721][ T6898] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 517.597061][ T6898] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 517.597452][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.597796][ T6898] netif_set_mtu (net/core/dev.c:9652) 
[ 517.598125][ T6898] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 517.598467][ T6898] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 517.598720][ T6898] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 517.599211][ T6898] br_del_if (net/bridge/br_if.c:743) bridge 
[ 517.599584][ T6898] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 517.599932][ T6898] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 517.600254][ T6898] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 517.600585][ T6898] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 517.600994][ T6898] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 517.601317][ T6898] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 517.601662][ T6898] ? __kernel_text_address (kernel/extable.c:79) 
[ 517.601997][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.602322][ T6898] ? __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) 
[ 517.602640][ T6898] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 517.603050][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.603370][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.603691][ T6898] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 517.604027][ T6898] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 517.604345][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.604660][ T6898] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 517.604985][ T6898] ? __create_object (mm/kmemleak.c:771) 
[ 517.605302][ T6898] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 517.605624][ T6898] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 517.605949][ T6898] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 517.606346][ T6898] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 517.606667][ T6898] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 517.607010][ T6898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 517.607326][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.607667][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.607998][ T6898] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 517.608311][ T6898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 517.608629][ T6898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 517.608962][ T6898] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 517.609280][ T6898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 517.609603][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.609935][ T6898] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 517.610254][ T6898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 517.610570][ T6898] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 517.610919][ T6898] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 517.611240][ T6898] ? 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) 
[ 517.611558][ T6898] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 517.611889][ T6898] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 517.612207][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.612530][ T6898] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 517.612870][ T6898] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 517.613217][ T6898] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 517.613547][ T6898] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 517.613881][ T6898] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 517.614198][ T6898] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 517.614599][ T6898] ___sys_sendmsg (net/socket.c:2670) 
[ 517.614936][ T6898] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 517.615252][ T6898] ? __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) 
[ 517.615643][ T6898] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 517.615979][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.616302][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.616623][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.616949][ T6898] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 517.617265][ T6898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 517.617594][ T6898] __sys_sendmsg (net/socket.c:2700) 
[ 517.617919][ T6898] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 517.618314][ T6898] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 517.618641][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.618985][ T6898] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 517.619310][ T6898] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  517.619696][ T6898] RIP: 0033:0x7fa8b293c1e7
[ 517.620032][ T6898] 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)
[  517.621139][ T6898] RSP: 002b:00007ffef71af018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  517.621610][ T6898] RAX: ffffffffffffffda RBX: 00007ffef71af740 RCX: 00007fa8b293c1e7
[  517.622086][ T6898] RDX: 0000000000000000 RSI: 00007ffef71af080 RDI: 0000000000000005
[  517.622553][ T6898] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  517.623048][ T6898] R10: 00007fa8b2839ee8 R11: 0000000000000246 R12: 0000000000000003
[  517.623514][ T6898] R13: 00000000686e1a0f R14: 0000000000499600 R15: 0000000000000000
| [  517.769408][ T6899] ------------[ cut here ]------------
| [ 517.769974][ T6899] WARNING: CPU: 3 PID: 6899 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) 
| [  517.771030][ T6899] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  517.774298][ T6899] Tainted: [W]=WARN
[  517.774710][ T6899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 517.775410][ T6899] 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) 
[ 517.776001][ T6899] 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
[  517.777949][ T6899] RSP: 0018:ffffc9000850ef70 EFLAGS: 00010246
[  517.778638][ T6899] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  517.779490][ T6899] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  517.780324][ T6899] RBP: ffffc9000850f058 R08: 0000000000000000 R09: 0000000000000000
[  517.781154][ T6899] R10: ffffc9000850f088 R11: ffffffff91579160 R12: 1ffff920010a1df2
[  517.781974][ T6899] R13: 00000000000005dc R14: ffffc9000850f088 R15: ffff8880061c2f08
[  517.782814][ T6899] FS:  00007f910bc74800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[  517.783814][ T6899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  517.784494][ T6899] CR2: 00000000004e5ce0 CR3: 0000000009e9d004 CR4: 0000000000772ef0
[  517.785341][ T6899] PKRU: 55555554
[  517.785738][ T6899] Call Trace:
[  517.786160][ T6899]  <TASK>
[ 517.786452][ T6899] ? __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) 
[ 517.787162][ T6899] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 517.787807][ T6899] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 517.788374][ T6899] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 517.788941][ T6899] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 517.789470][ T6899] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 517.790040][ T6899] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 517.790602][ T6899] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 517.791181][ T6899] ? ___sys_sendmsg (net/socket.c:2670) 
[ 517.791730][ T6899] ? __sys_sendmsg (net/socket.c:2700) 
[ 517.792304][ T6899] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 517.792873][ T6899] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 517.793559][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.794151][ T6899] netif_set_mtu (net/core/dev.c:9652) 
[ 517.794707][ T6899] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 517.795319][ T6899] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 517.795739][ T6899] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 517.796497][ T6899] br_del_if (net/bridge/br_if.c:743) bridge 
[ 517.797124][ T6899] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 517.797728][ T6899] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 517.798069][ T6899] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 517.798380][ T6899] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 517.798770][ T6899] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 517.799087][ T6899] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 517.799393][ T6899] ? __kernel_text_address (kernel/extable.c:79) 
[ 517.799702][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.800056][ T6899] ? __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) 
[ 517.800360][ T6899] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 517.800737][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.801061][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.801365][ T6899] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 517.801669][ T6899] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 517.801982][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.802290][ T6899] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 517.802596][ T6899] ? __create_object (mm/kmemleak.c:771) 
[ 517.802910][ T6899] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 517.803217][ T6899] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 517.803528][ T6899] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 517.803942][ T6899] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 517.804260][ T6899] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 517.804569][ T6899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 517.804883][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.805194][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.805501][ T6899] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 517.805813][ T6899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 517.806128][ T6899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 517.806436][ T6899] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 517.806746][ T6899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 517.807067][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.807380][ T6899] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 517.807705][ T6899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 517.808058][ T6899] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 517.808401][ T6899] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 517.808720][ T6899] ? 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) 
[ 517.809052][ T6899] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 517.809378][ T6899] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 517.809697][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.810035][ T6899] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 517.810361][ T6899] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 517.810686][ T6899] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 517.811025][ T6899] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 517.811347][ T6899] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 517.811666][ T6899] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 517.812116][ T6899] ___sys_sendmsg (net/socket.c:2670) 
[ 517.812435][ T6899] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 517.812753][ T6899] ? __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) 
[ 517.813167][ T6899] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 517.813492][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.813820][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 517.814146][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 517.814467][ T6899] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 517.814800][ T6899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 517.815131][ T6899] __sys_sendmsg (net/socket.c:2700) 
[ 517.815451][ T6899] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 517.815890][ T6899] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 517.816226][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 517.816549][ T6899] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 517.816881][ T6899] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  517.817279][ T6899] RIP: 0033:0x7f910be411e7
[ 517.817627][ T6899] 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)
[  517.818790][ T6899] RSP: 002b:00007ffff383ce58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  517.819276][ T6899] RAX: ffffffffffffffda RBX: 00007ffff383d580 RCX: 00007f910be411e7
[  517.819753][ T6899] RDX: 0000000000000000 RSI: 00007ffff383cec0 RDI: 0000000000000005
[  517.820274][ T6899] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  517.820756][ T6899] R10: 00007f910bd3eee8 R11: 0000000000000246 R12: 0000000000000003
[  517.821249][ T6899] R13: 00000000686e1a0f R14: 0000000000499600 R15: 0000000000000000
| [  523.385921][ T6904] ------------[ cut here ]------------
| [ 523.386228][ T6904] WARNING: CPU: 3 PID: 6904 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) 
| [  523.386873][ T6904] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  523.388330][ T6904] Tainted: [W]=WARN
[  523.388754][ T6904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 523.389455][ T6904] 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) 
[ 523.390023][ T6904] 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
[  523.391997][ T6904] RSP: 0018:ffffc900084beef0 EFLAGS: 00010246
[  523.392689][ T6904] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  523.393519][ T6904] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  523.394348][ T6904] RBP: ffffc900084befe0 R08: 0000000000000000 R09: 0000000000000000
[  523.395180][ T6904] R10: ffffc900084bf010 R11: ffffffff91ea8918 R12: 1ffff92001097de2
[  523.396017][ T6904] R13: 00000000000005dc R14: ffffc900084bf010 R15: ffff8880061c2f08
[  523.396852][ T6904] FS:  00007f3fc3700800(0000) GS:ffff8880a3237000(0000) knlGS:0000000000000000
[  523.397821][ T6904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  523.398512][ T6904] CR2: 00000000004e5ce0 CR3: 000000000ba72002 CR4: 0000000000772ef0
[  523.399349][ T6904] PKRU: 55555554
[  523.399760][ T6904] Call Trace:
[  523.400184][ T6904]  <TASK>
[ 523.400473][ T6904] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 523.400963][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.401341][ T6904] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 523.401647][ T6904] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 523.402036][ T6904] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 523.402361][ T6904] netif_set_mtu (net/core/dev.c:9652) 
[ 523.402665][ T6904] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 523.402988][ T6904] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 523.403448][ T6904] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 523.403684][ T6904] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 523.404127][ T6904] br_add_if (net/bridge/br_if.c:697) bridge 
[ 523.404505][ T6904] do_set_master (net/core/rtnetlink.c:2948) 
[ 523.404835][ T6904] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 523.405176][ T6904] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 523.405563][ T6904] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 523.405903][ T6904] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 523.406221][ T6904] ? __kernel_text_address (kernel/extable.c:79) 
[ 523.406561][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.406881][ T6904] ? __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) 
[ 523.407241][ T6904] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 523.407881][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.408433][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.408963][ T6904] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 523.409492][ T6904] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 523.410040][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.410554][ T6904] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 523.411098][ T6904] ? __create_object (mm/kmemleak.c:771) 
[ 523.411638][ T6904] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 523.412186][ T6904] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 523.412717][ T6904] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 523.413389][ T6904] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 523.413939][ T6904] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 523.414472][ T6904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 523.415008][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.415562][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.416091][ T6904] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 523.416603][ T6904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 523.417139][ T6904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 523.417662][ T6904] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 523.418198][ T6904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 523.418680][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.419177][ T6904] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 523.419659][ T6904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 523.420148][ T6904] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 523.420638][ T6904] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 523.421119][ T6904] ? 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) 
[ 523.421633][ T6904] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 523.422144][ T6904] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 523.422639][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.423153][ T6904] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 523.423661][ T6904] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 523.424185][ T6904] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 523.424745][ T6904] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 523.425317][ T6904] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 523.425858][ T6904] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 523.426560][ T6904] ___sys_sendmsg (net/socket.c:2670) 
[ 523.427133][ T6904] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 523.427671][ T6904] ? __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) 
[ 523.428365][ T6904] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 523.428940][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.429478][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.430062][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.430615][ T6904] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 523.431175][ T6904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 523.431743][ T6904] __sys_sendmsg (net/socket.c:2700) 
[ 523.432302][ T6904] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 523.432980][ T6904] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 523.433558][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.434127][ T6904] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 523.434637][ T6904] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  523.435039][ T6904] RIP: 0033:0x7f3fc38cd1e7
[ 523.435368][ T6904] 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)
[  523.436534][ T6904] RSP: 002b:00007fff3e7376a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.437005][ T6904] RAX: ffffffffffffffda RBX: 00007fff3e737dd0 RCX: 00007f3fc38cd1e7
[  523.437526][ T6904] RDX: 0000000000000000 RSI: 00007fff3e737710 RDI: 0000000000000005
[  523.437996][ T6904] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  523.438486][ T6904] R10: 0000000013342910 R11: 0000000000000246 R12: 0000000000000004
[  523.439046][ T6904] R13: 00000000686e1a15 R14: 0000000000499600 R15: 0000000000000000
| [  523.676503][ T6906] ------------[ cut here ]------------
| [ 523.676830][ T6906] WARNING: CPU: 2 PID: 6906 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) 
| [  523.677458][ T6906] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  523.678843][ T6906] Tainted: [W]=WARN
[  523.679086][ T6906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 523.679487][ T6906] 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) 
[ 523.679834][ T6906] 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
[  523.680934][ T6906] RSP: 0018:ffffc9000849eef0 EFLAGS: 00010246
[  523.681334][ T6906] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  523.681818][ T6906] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  523.682287][ T6906] RBP: ffffc9000849efe0 R08: 0000000000000000 R09: 0000000000000000
[  523.682756][ T6906] R10: ffffc9000849f010 R11: ffffffff91ea8918 R12: 1ffff92001093de2
[  523.683238][ T6906] R13: 00000000000005dc R14: ffffc9000849f010 R15: ffff8880061c2f08
[  523.683712][ T6906] FS:  00007f5060c93800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[  523.684269][ T6906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  523.684663][ T6906] CR2: 00000000004e5de8 CR3: 000000000bf75006 CR4: 0000000000772ef0
[  523.685143][ T6906] PKRU: 55555554
[  523.685381][ T6906] Call Trace:
[  523.685623][ T6906]  <TASK>
[ 523.685811][ T6906] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 523.686131][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.686454][ T6906] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 523.686769][ T6906] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 523.687170][ T6906] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 523.687501][ T6906] netif_set_mtu (net/core/dev.c:9652) 
[ 523.687830][ T6906] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 523.688167][ T6906] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 523.688608][ T6906] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 523.688864][ T6906] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 523.689294][ T6906] br_add_if (net/bridge/br_if.c:697) bridge 
[ 523.689654][ T6906] do_set_master (net/core/rtnetlink.c:2948) 
[ 523.689984][ T6906] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 523.690305][ T6906] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 523.690709][ T6906] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 523.691037][ T6906] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 523.691351][ T6906] ? __kernel_text_address (kernel/extable.c:79) 
[ 523.691671][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.692001][ T6906] ? __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) 
[ 523.692317][ T6906] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 523.692713][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.693042][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.693363][ T6906] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 523.693678][ T6906] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 523.694006][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.694324][ T6906] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 523.694639][ T6906] ? __create_object (mm/kmemleak.c:771) 
[ 523.694984][ T6906] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 523.695311][ T6906] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 523.695628][ T6906] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 523.696028][ T6906] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 523.696349][ T6906] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 523.696670][ T6906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 523.696994][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.697317][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.697646][ T6906] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 523.697978][ T6906] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 523.698296][ T6906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 523.698614][ T6906] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 523.698939][ T6906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 523.699260][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.699579][ T6906] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 523.699903][ T6906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 523.700224][ T6906] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 523.700552][ T6906] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 523.700877][ T6906] ? 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) 
[ 523.701198][ T6906] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 523.701517][ T6906] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 523.701843][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.702167][ T6906] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 523.702494][ T6906] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 523.702820][ T6906] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 523.703143][ T6906] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 523.703465][ T6906] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 523.703788][ T6906] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 523.704191][ T6906] ___sys_sendmsg (net/socket.c:2670) 
[ 523.704505][ T6906] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 523.704839][ T6906] ? __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) 
[ 523.705230][ T6906] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 523.705551][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.705880][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 523.706206][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 523.706521][ T6906] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 523.706849][ T6906] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 523.707179][ T6906] __sys_sendmsg (net/socket.c:2700) 
[ 523.707514][ T6906] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 523.707924][ T6906] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 523.708257][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 523.708574][ T6906] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 523.708902][ T6906] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  523.709291][ T6906] RIP: 0033:0x7f5060e601e7
[ 523.709619][ T6906] 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)
[  523.710733][ T6906] RSP: 002b:00007ffd29e02c98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  523.711216][ T6906] RAX: ffffffffffffffda RBX: 00007ffd29e033c0 RCX: 00007f5060e601e7
[  523.711685][ T6906] RDX: 0000000000000000 RSI: 00007ffd29e02d00 RDI: 0000000000000005
[  523.712172][ T6906] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  523.712642][ T6906] R10: 0000000002b44910 R11: 0000000000000246 R12: 0000000000000004
[  523.713119][ T6906] R13: 00000000686e1a15 R14: 0000000000499600 R15: 0000000000000000
| [  888.521050][T10182] ------------[ cut here ]------------
| [888.521368][T10182] WARNING: CPU: 0 PID: 10182 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) 
| [  888.522871][T10182] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  888.524225][T10182] Tainted: [W]=WARN
[  888.524461][T10182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[888.524867][T10182] 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) 
[ 888.525186][T10182] 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
[  888.526285][T10182] RSP: 0018:ffffc9000285ef70 EFLAGS: 00010246
[  888.526673][T10182] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  888.527150][T10182] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  888.527609][T10182] RBP: ffffc9000285f058 R08: 0000000000000000 R09: 0000000000000000
[  888.528098][T10182] R10: ffffc9000285f088 R11: ffffffff91579160 R12: 1ffff9200050bdf2
[  888.528571][T10182] R13: 00000000000005dc R14: ffffc9000285f088 R15: ffff8880061c2f08
[  888.529047][T10182] FS:  00007f737f461800(0000) GS:ffff8880a30b7000(0000) knlGS:0000000000000000
[  888.529588][T10182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  888.529982][T10182] CR2: 00000000004e5de8 CR3: 000000000dde8004 CR4: 0000000000772ef0
[  888.530439][T10182] PKRU: 55555554
[  888.530681][T10182] Call Trace:
[  888.530918][T10182]  <TASK>
[888.531072][T10182] ? __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) 
[888.531456][T10182] ? br_del_if (net/bridge/br_if.c:742) bridge 
[888.531810][T10182] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.532118][T10182] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.532422][T10182] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[888.532722][T10182] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.533053][T10182] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.533364][T10182] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.533668][T10182] ? ___sys_sendmsg (net/socket.c:2670) 
[888.533981][T10182] ? __sys_sendmsg (net/socket.c:2700) 
[888.534284][T10182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.534588][T10182] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[888.534972][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.535300][T10182] netif_set_mtu (net/core/dev.c:9652) 
[888.535614][T10182] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[888.535943][T10182] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[888.536182][T10182] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[888.536604][T10182] br_del_if (net/bridge/br_if.c:743) bridge 
[888.536963][T10182] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[888.537267][T10182] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.537581][T10182] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.537898][T10182] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[888.538293][T10182] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[888.538596][T10182] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[888.538910][T10182] ? __kernel_text_address (kernel/extable.c:79) 
[888.539217][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.539526][T10182] ? __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) 
[888.539838][T10182] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[888.540224][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.540530][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.540855][T10182] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[888.541162][T10182] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[888.541469][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.541790][T10182] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[888.542092][T10182] ? __create_object (mm/kmemleak.c:771) 
[888.542399][T10182] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[888.542709][T10182] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[888.543039][T10182] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[888.543419][T10182] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[888.543737][T10182] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[888.544057][T10182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.544360][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.544672][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.545002][T10182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[888.545304][T10182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.545608][T10182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.545924][T10182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[888.546231][T10182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.546537][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.546855][T10182] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[888.547162][T10182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.547474][T10182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[888.547806][T10182] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[888.548124][T10182] ? 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) 
[888.548433][T10182] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.548743][T10182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[888.549068][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.549379][T10182] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.549689][T10182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[888.550001][T10182] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[888.550314][T10182] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.550624][T10182] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[888.550940][T10182] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[888.551333][T10182] ___sys_sendmsg (net/socket.c:2670) 
[888.551635][T10182] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[888.551952][T10182] ? __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) 
[888.552346][T10182] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[888.552658][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.552985][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.553304][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.553605][T10182] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[888.553917][T10182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.554236][T10182] __sys_sendmsg (net/socket.c:2700) 
[888.554539][T10182] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[888.554929][T10182] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[888.555252][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.555557][T10182] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.555869][T10182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  888.556247][T10182] RIP: 0033:0x7f737f62e1e7
[ 888.556567][T10182] 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)
[  888.557663][T10182] RSP: 002b:00007ffce58dc7f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  888.558140][T10182] RAX: ffffffffffffffda RBX: 00007ffce58dcf20 RCX: 00007f737f62e1e7
[  888.558603][T10182] RDX: 0000000000000000 RSI: 00007ffce58dc860 RDI: 0000000000000005
[  888.559063][T10182] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  888.559518][T10182] R10: 00007f737f52bee8 R11: 0000000000000246 R12: 0000000000000003
[  888.559980][T10182] R13: 00000000686e1b82 R14: 0000000000499600 R15: 0000000000000000
| [  888.683698][T10183] ------------[ cut here ]------------
| [888.684052][T10183] WARNING: CPU: 1 PID: 10183 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) 
| [  888.684650][T10183] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  888.686226][T10183] Tainted: [W]=WARN
[  888.686498][T10183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[888.686898][T10183] 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) 
[ 888.687213][T10183] 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
[  888.688333][T10183] RSP: 0018:ffffc9000284ef70 EFLAGS: 00010246
[  888.688718][T10183] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  888.689214][T10183] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  888.689675][T10183] RBP: ffffc9000284f058 R08: 0000000000000000 R09: 0000000000000000
[  888.690156][T10183] R10: ffffc9000284f088 R11: ffffffff91579160 R12: 1ffff92000509df2
[  888.690620][T10183] R13: 00000000000005dc R14: ffffc9000284f088 R15: ffff8880061c2f08
[  888.691097][T10183] FS:  00007fcdb34fb800(0000) GS:ffff8880a3137000(0000) knlGS:0000000000000000
[  888.691633][T10183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  888.692041][T10183] CR2: 00000000004e5ce0 CR3: 000000001203c003 CR4: 0000000000772ef0
[  888.692504][T10183] PKRU: 55555554
[  888.692734][T10183] Call Trace:
[  888.693006][T10183]  <TASK>
[888.693161][T10183] ? __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) 
[888.693543][T10183] ? br_del_if (net/bridge/br_if.c:742) bridge 
[888.693910][T10183] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.694215][T10183] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.694519][T10183] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[888.694848][T10183] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.695152][T10183] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.695452][T10183] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.695757][T10183] ? ___sys_sendmsg (net/socket.c:2670) 
[888.696093][T10183] ? __sys_sendmsg (net/socket.c:2700) 
[888.696395][T10183] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.696697][T10183] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[888.697116][T10183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.697433][T10183] netif_set_mtu (net/core/dev.c:9652) 
[888.697738][T10183] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[888.698098][T10183] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[888.698332][T10183] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[888.698758][T10183] br_del_if (net/bridge/br_if.c:743) bridge 
[888.699122][T10183] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[888.699426][T10183] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.699734][T10183] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.700071][T10183] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[888.700461][T10183] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[888.700764][T10183] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[888.701108][T10183] ? __kernel_text_address (kernel/extable.c:79) 
[888.701421][T10183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.701729][T10183] ? __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) 
[888.702058][T10183] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[888.702436][T10183] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.702742][T10183] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.703069][T10183] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[888.703372][T10183] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[888.703678][T10183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.704027][T10183] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[888.704334][T10183] ? __create_object (mm/kmemleak.c:771) 
[888.704644][T10183] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[888.704990][T10183] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[888.705294][T10183] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[888.705673][T10183] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[888.706012][T10183] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[888.706323][T10183] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.706627][T10183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.706963][T10183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.707272][T10183] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[888.707574][T10183] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.707900][T10183] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.708225][T10183] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[888.708531][T10183] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.708875][T10183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.709191][T10183] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[888.709504][T10183] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.709827][T10183] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[888.710147][T10183] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[888.710451][T10183] ? 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) 
[888.710759][T10183] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.711092][T10183] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[888.711398][T10183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.711716][T10183] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.712054][T10183] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[888.712364][T10183] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[888.712676][T10183] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.713026][T10183] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[888.713331][T10183] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[888.713724][T10183] ___sys_sendmsg (net/socket.c:2670) 
[888.714047][T10183] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[888.714353][T10183] ? __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) 
[888.714733][T10183] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[888.715059][T10183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.715369][T10183] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.715680][T10183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.716009][T10183] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[888.716317][T10183] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.716628][T10183] __sys_sendmsg (net/socket.c:2700) 
[888.716974][T10183] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[888.717354][T10183] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[888.717670][T10183] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.718008][T10183] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.718319][T10183] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  888.718697][T10183] RIP: 0033:0x7fcdb36c81e7
[ 888.719044][T10183] 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)
[  888.720151][T10183] RSP: 002b:00007fff7378aae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  888.720611][T10183] RAX: ffffffffffffffda RBX: 00007fff7378b210 RCX: 00007fcdb36c81e7
[  888.721108][T10183] RDX: 0000000000000000 RSI: 00007fff7378ab50 RDI: 0000000000000005
[  888.721562][T10183] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  888.722039][T10183] R10: 00007fcdb35c5ee8 R11: 0000000000000246 R12: 0000000000000003
[  888.722491][T10183] R13: 00000000686e1b82 R14: 0000000000499600 R15: 0000000000000000
| [  894.250606][T10188] ------------[ cut here ]------------
| [894.250951][T10188] WARNING: CPU: 2 PID: 10188 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) 
| [  894.251573][T10188] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  894.254851][T10188] Tainted: [W]=WARN
[  894.255290][T10188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[894.256045][T10188] 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) 
[ 894.256634][T10188] 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
[  894.258367][T10188] RSP: 0018:ffffc9000278eef0 EFLAGS: 00010246
[  894.258863][T10188] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  894.259336][T10188] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  894.259832][T10188] RBP: ffffc9000278efe0 R08: 0000000000000000 R09: 0000000000000000
[  894.260304][T10188] R10: ffffc9000278f010 R11: ffffffff91ea8918 R12: 1ffff920004f1de2
[  894.260815][T10188] R13: 00000000000005dc R14: ffffc9000278f010 R15: ffff8880061c2f08
[  894.261298][T10188] FS:  00007f60b7ea7800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[  894.261950][T10188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  894.262468][T10188] CR2: 00000000004e5ce0 CR3: 00000000098aa001 CR4: 0000000000772ef0
[  894.262965][T10188] PKRU: 55555554
[  894.263210][T10188] Call Trace:
[  894.263530][T10188]  <TASK>
[894.263704][T10188] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[894.264057][T10188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.264383][T10188] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[894.264705][T10188] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[894.265152][T10188] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[894.265476][T10188] netif_set_mtu (net/core/dev.c:9652) 
[894.265853][T10188] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[894.266241][T10188] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[894.266684][T10188] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[894.266956][T10188] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[894.267391][T10188] br_add_if (net/bridge/br_if.c:697) bridge 
[894.267767][T10188] do_set_master (net/core/rtnetlink.c:2948) 
[894.268119][T10188] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[894.268519][T10188] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[894.269040][T10188] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[894.269422][T10188] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[894.269750][T10188] ? __kernel_text_address (kernel/extable.c:79) 
[894.270114][T10188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.270437][T10188] ? __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) 
[894.270769][T10188] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[894.271181][T10188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.271505][T10188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.271851][T10188] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[894.272263][T10188] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[894.272639][T10188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.273066][T10188] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[894.273387][T10188] ? __create_object (mm/kmemleak.c:771) 
[894.273811][T10188] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[894.274163][T10188] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[894.274482][T10188] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[894.274903][T10188] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[894.275232][T10188] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[894.275555][T10188] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.275899][T10188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.276222][T10188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.276546][T10188] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[894.276910][T10188] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.277233][T10188] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.277551][T10188] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[894.277963][T10188] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.278363][T10188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.278691][T10188] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[894.279037][T10188] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.279363][T10188] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[894.279819][T10188] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[894.280142][T10188] ? 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) 
[894.280466][T10188] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[894.280830][T10188] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[894.281252][T10188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.281579][T10188] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[894.281987][T10188] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[894.282307][T10188] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[894.282631][T10188] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[894.282978][T10188] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[894.283300][T10188] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[894.283808][T10188] ___sys_sendmsg (net/socket.c:2670) 
[894.284162][T10188] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[894.284557][T10188] ? __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) 
[894.285064][T10188] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[894.285410][T10188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.285873][T10188] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.286204][T10188] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.286530][T10188] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[894.286872][T10188] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.287215][T10188] __sys_sendmsg (net/socket.c:2700) 
[894.287550][T10188] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[894.288036][T10188] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[894.288373][T10188] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.288866][T10188] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[894.289259][T10188] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  894.289848][T10188] RIP: 0033:0x7f60b80741e7
[ 894.290311][T10188] 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)
[  894.291696][T10188] RSP: 002b:00007fff0a5b8e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  894.292525][T10188] RAX: ffffffffffffffda RBX: 00007fff0a5b9580 RCX: 00007f60b80741e7
[  894.293390][T10188] RDX: 0000000000000000 RSI: 00007fff0a5b8ec0 RDI: 0000000000000005
[  894.294244][T10188] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  894.295083][T10188] R10: 00000000130b8910 R11: 0000000000000246 R12: 0000000000000004
[  894.295610][T10188] R13: 00000000686e1b87 R14: 0000000000499600 R15: 0000000000000000
| [  894.583075][T10190] ------------[ cut here ]------------
| [894.583648][T10190] WARNING: CPU: 2 PID: 10190 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) 
| [  894.584792][T10190] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  894.587236][T10190] Tainted: [W]=WARN
[  894.587689][T10190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[894.588287][T10190] 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) 
[ 894.588621][T10190] 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
[  894.589732][T10190] RSP: 0018:ffffc9000276eef0 EFLAGS: 00010246
[  894.590153][T10190] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[  894.590618][T10190] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[  894.591096][T10190] RBP: ffffc9000276efe0 R08: 0000000000000000 R09: 0000000000000000
[  894.591565][T10190] R10: ffffc9000276f010 R11: ffffffff91ea8918 R12: 1ffff920004edde2
[  894.592046][T10190] R13: 00000000000005dc R14: ffffc9000276f010 R15: ffff8880061c2f08
[  894.592516][T10190] FS:  00007ff4d1a92800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[  894.593070][T10190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  894.593467][T10190] CR2: 00000000004e5de8 CR3: 000000000b89b004 CR4: 0000000000772ef0
[  894.593956][T10190] PKRU: 55555554
[  894.594197][T10190] Call Trace:
[  894.594439][T10190]  <TASK>
[894.594609][T10190] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[894.594941][T10190] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.595273][T10190] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[894.595593][T10190] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[894.595994][T10190] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[894.596314][T10190] netif_set_mtu (net/core/dev.c:9652) 
[894.596638][T10190] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[894.596980][T10190] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[894.597422][T10190] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[894.597667][T10190] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[894.598121][T10190] br_add_if (net/bridge/br_if.c:697) bridge 
[894.598490][T10190] do_set_master (net/core/rtnetlink.c:2948) 
[894.598829][T10190] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[894.599155][T10190] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[894.599553][T10190] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[894.599883][T10190] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[894.600201][T10190] ? __kernel_text_address (kernel/extable.c:79) 
[894.600523][T10190] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.600854][T10190] ? __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) 
[894.601180][T10190] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[894.601567][T10190] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.601897][T10190] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.602220][T10190] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[894.602539][T10190] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[894.602867][T10190] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.603246][T10190] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[894.603737][T10190] ? __create_object (mm/kmemleak.c:771) 
[894.604188][T10190] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[894.604688][T10190] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[894.605030][T10190] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[894.605482][T10190] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[894.605824][T10190] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[894.606252][T10190] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.606572][T10190] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.606918][T10190] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.607368][T10190] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[894.607766][T10190] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.608171][T10190] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.608586][T10190] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[894.608919][T10190] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.609254][T10190] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.609579][T10190] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[894.610064][T10190] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.610469][T10190] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[894.610877][T10190] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[894.611308][T10190] ? 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) 
[894.611634][T10190] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[894.611971][T10190] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[894.612408][T10190] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.612742][T10190] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[894.613142][T10190] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[894.613557][T10190] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[894.613925][T10190] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[894.614314][T10190] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[894.614725][T10190] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[894.615159][T10190] ___sys_sendmsg (net/socket.c:2670) 
[894.615630][T10190] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[894.616001][T10190] ? __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) 
[894.616516][T10190] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[894.616854][T10190] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.617284][T10190] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.617618][T10190] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.617951][T10190] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[894.618302][T10190] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.618636][T10190] __sys_sendmsg (net/socket.c:2700) 
[894.618962][T10190] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[894.619370][T10190] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[894.619701][T10190] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.620034][T10190] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[894.620385][T10190] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  894.620798][T10190] RIP: 0033:0x7ff4d1c5f1e7
[ 894.621143][T10190] 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)
[  894.622264][T10190] RSP: 002b:00007fffcbf39de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  894.622739][T10190] RAX: ffffffffffffffda RBX: 00007fffcbf3a510 RCX: 00007ff4d1c5f1e7
[  894.623245][T10190] RDX: 0000000000000000 RSI: 00007fffcbf39e50 RDI: 0000000000000005
[  894.623721][T10190] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  894.624234][T10190] R10: 0000000036b43910 R11: 0000000000000246 R12: 0000000000000004
[  894.624705][T10190] R13: 00000000686e1b88 R14: 0000000000499600 R15: 0000000000000000
| [ 1031.007297][T12095] ------------[ cut here ]------------
| [1031.007614][T12095] WARNING: CPU: 0 PID: 12095 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) 
| [ 1031.008260][T12095] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1031.009604][T12095] Tainted: [W]=WARN
[ 1031.009844][T12095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1031.010257][T12095] 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) 
[ 1031.010575][T12095] 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
[ 1031.011712][T12095] RSP: 0018:ffffc9000970ef70 EFLAGS: 00010246
[ 1031.012108][T12095] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[ 1031.012574][T12095] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[ 1031.013066][T12095] RBP: ffffc9000970f058 R08: 0000000000000000 R09: 0000000000000000
[ 1031.013539][T12095] R10: ffffc9000970f088 R11: ffffffff91579160 R12: 1ffff920012e1df2
[ 1031.014017][T12095] R13: 00000000000005dc R14: ffffc9000970f088 R15: ffff8880061c2f08
[ 1031.014497][T12095] FS:  00007f913c92e800(0000) GS:ffff8880a30b7000(0000) knlGS:0000000000000000
[ 1031.015045][T12095] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1031.015431][T12095] CR2: 00000000004e5ab0 CR3: 000000000bda8003 CR4: 0000000000772ef0
[ 1031.015915][T12095] PKRU: 55555554
[ 1031.016143][T12095] Call Trace:
[ 1031.016372][T12095]  <TASK>
[1031.016529][T12095] ? __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) 
[1031.016923][T12095] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1031.017277][T12095] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.017588][T12095] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.017906][T12095] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1031.018227][T12095] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.018534][T12095] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.018849][T12095] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.019157][T12095] ? ___sys_sendmsg (net/socket.c:2670) 
[1031.019460][T12095] ? __sys_sendmsg (net/socket.c:2700) 
[1031.019761][T12095] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.020073][T12095] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1031.020452][T12095] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.020765][T12095] netif_set_mtu (net/core/dev.c:9652) 
[1031.021101][T12095] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1031.021423][T12095] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1031.021657][T12095] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1031.022095][T12095] br_del_if (net/bridge/br_if.c:743) bridge 
[1031.022438][T12095] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1031.022744][T12095] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.023060][T12095] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.023369][T12095] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1031.023754][T12095] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1031.024087][T12095] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1031.024396][T12095] ? __kernel_text_address (kernel/extable.c:79) 
[1031.024712][T12095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.025043][T12095] ? __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) 
[1031.025356][T12095] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1031.025733][T12095] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.026051][T12095] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.026356][T12095] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1031.026663][T12095] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1031.026987][T12095] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.027294][T12095] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1031.027605][T12095] ? __create_object (mm/kmemleak.c:771) 
[1031.027922][T12095] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1031.028238][T12095] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1031.028542][T12095] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1031.028931][T12095] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1031.029241][T12095] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1031.029558][T12095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.029874][T12095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.030185][T12095] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.030491][T12095] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1031.030925][T12095] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.031273][T12095] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.031608][T12095] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1031.031962][T12095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.032273][T12095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.032599][T12095] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1031.032940][T12095] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.033260][T12095] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1031.033585][T12095] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1031.033911][T12095] ? 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) 
[1031.034238][T12095] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.034544][T12095] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1031.034858][T12095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.035174][T12095] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.035481][T12095] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1031.035795][T12095] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1031.036108][T12095] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.036418][T12095] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1031.036719][T12095] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1031.037116][T12095] ___sys_sendmsg (net/socket.c:2670) 
[1031.037426][T12095] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1031.037730][T12095] ? __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) 
[1031.038119][T12095] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1031.038443][T12095] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.038751][T12095] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.039070][T12095] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.039376][T12095] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1031.039686][T12095] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.040005][T12095] __sys_sendmsg (net/socket.c:2700) 
[1031.040307][T12095] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1031.040682][T12095] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1031.041010][T12095] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.041321][T12095] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.041645][T12095] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1031.042032][T12095] RIP: 0033:0x7f913cafb1e7
[ 1031.042369][T12095] 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)
[ 1031.043487][T12095] RSP: 002b:00007ffedb39eee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1031.043959][T12095] RAX: ffffffffffffffda RBX: 00007ffedb39f610 RCX: 00007f913cafb1e7
[ 1031.044437][T12095] RDX: 0000000000000000 RSI: 00007ffedb39ef50 RDI: 0000000000000005
[ 1031.044930][T12095] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1031.045388][T12095] R10: 00007f913c9f8ee8 R11: 0000000000000246 R12: 0000000000000003
[ 1031.045872][T12095] R13: 00000000686e1c10 R14: 0000000000499600 R15: 0000000000000000
| [ 1031.489457][T12099] ------------[ cut here ]------------
| [1031.489840][T12099] WARNING: CPU: 2 PID: 12099 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) 
| [ 1031.490465][T12099] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1031.491853][T12099] Tainted: [W]=WARN
[ 1031.492099][T12099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1031.492489][T12099] 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) 
[ 1031.492827][T12099] 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
[ 1031.493939][T12099] RSP: 0018:ffffc900096def70 EFLAGS: 00010246
[ 1031.494339][T12099] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[ 1031.494819][T12099] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[ 1031.495300][T12099] RBP: ffffc900096df058 R08: 0000000000000000 R09: 0000000000000000
[ 1031.495774][T12099] R10: ffffc900096df088 R11: ffffffff91579160 R12: 1ffff920012dbdf2
[ 1031.496252][T12099] R13: 00000000000005dc R14: ffffc900096df088 R15: ffff8880061c2f08
[ 1031.496720][T12099] FS:  00007fa18cb1b800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[ 1031.497359][T12099] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1031.497871][T12099] CR2: 00000000004e5aa8 CR3: 000000000aba4002 CR4: 0000000000772ef0
[ 1031.498359][T12099] PKRU: 55555554
[ 1031.498600][T12099] Call Trace:
[ 1031.498861][T12099]  <TASK>
[1031.499030][T12099] ? __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) 
[1031.499430][T12099] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1031.499818][T12099] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.500141][T12099] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.500491][T12099] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1031.500827][T12099] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.501152][T12099] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.501467][T12099] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.501799][T12099] ? ___sys_sendmsg (net/socket.c:2670) 
[1031.502117][T12099] ? __sys_sendmsg (net/socket.c:2700) 
[1031.502440][T12099] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.502757][T12099] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1031.503175][T12099] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.503504][T12099] netif_set_mtu (net/core/dev.c:9652) 
[1031.503838][T12099] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1031.504173][T12099] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1031.504420][T12099] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1031.504875][T12099] br_del_if (net/bridge/br_if.c:743) bridge 
[1031.505233][T12099] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1031.505551][T12099] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.505885][T12099] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.506208][T12099] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1031.506605][T12099] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1031.506932][T12099] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1031.507259][T12099] ? __kernel_text_address (kernel/extable.c:79) 
[1031.507580][T12099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.507912][T12099] ? __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) 
[1031.508248][T12099] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1031.508641][T12099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.508969][T12099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.509287][T12099] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1031.509612][T12099] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1031.509947][T12099] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.510265][T12099] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1031.510583][T12099] ? __create_object (mm/kmemleak.c:771) 
[1031.510914][T12099] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1031.511233][T12099] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1031.511548][T12099] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1031.511951][T12099] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1031.512283][T12099] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1031.512603][T12099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.512928][T12099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.513250][T12099] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.513566][T12099] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1031.513890][T12099] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.514210][T12099] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.514524][T12099] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1031.514860][T12099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.515180][T12099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.515500][T12099] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1031.515828][T12099] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.516146][T12099] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1031.516470][T12099] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1031.516797][T12099] ? 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) 
[1031.517122][T12099] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.517443][T12099] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1031.517756][T12099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.518091][T12099] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.518421][T12099] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1031.518739][T12099] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1031.519074][T12099] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.519402][T12099] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1031.519718][T12099] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1031.520134][T12099] ___sys_sendmsg (net/socket.c:2670) 
[1031.520452][T12099] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1031.520768][T12099] ? __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) 
[1031.521171][T12099] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1031.521493][T12099] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.521828][T12099] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.522156][T12099] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.522472][T12099] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1031.522799][T12099] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.523126][T12099] __sys_sendmsg (net/socket.c:2700) 
[1031.523444][T12099] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1031.523850][T12099] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1031.524187][T12099] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.524503][T12099] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.524832][T12099] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1031.525221][T12099] RIP: 0033:0x7fa18cce81e7
[ 1031.525547][T12099] 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)
[ 1031.526654][T12099] RSP: 002b:00007ffd8ad565c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1031.527138][T12099] RAX: ffffffffffffffda RBX: 00007ffd8ad56cf0 RCX: 00007fa18cce81e7
[ 1031.527607][T12099] RDX: 0000000000000000 RSI: 00007ffd8ad56630 RDI: 0000000000000005
[ 1031.528121][T12099] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1031.528607][T12099] R10: 00007fa18cbe5ee8 R11: 0000000000000246 R12: 0000000000000003
[ 1031.529087][T12099] R13: 00000000686e1c11 R14: 0000000000499600 R15: 0000000000000000
| [ 1031.753286][T12101] ------------[ cut here ]------------
| [1031.753602][T12101] WARNING: CPU: 1 PID: 12101 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) 
| [ 1031.754213][T12101] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1031.755556][T12101] Tainted: [W]=WARN
[ 1031.755808][T12101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1031.756190][T12101] 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) 
[ 1031.756502][T12101] 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
[ 1031.757607][T12101] RSP: 0018:ffffc900096bef70 EFLAGS: 00010246
[ 1031.758002][T12101] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[ 1031.758477][T12101] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[ 1031.758945][T12101] RBP: ffffc900096bf058 R08: 0000000000000000 R09: 0000000000000000
[ 1031.759405][T12101] R10: ffffc900096bf088 R11: ffffffff91579160 R12: 1ffff920012d7df2
[ 1031.759868][T12101] R13: 00000000000005dc R14: ffffc900096bf088 R15: ffff8880061c2f08
[ 1031.760324][T12101] FS:  00007f290d16d800(0000) GS:ffff8880a3137000(0000) knlGS:0000000000000000
[ 1031.760876][T12101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1031.761261][T12101] CR2: 00007fa8efbd1000 CR3: 000000000fa13003 CR4: 0000000000772ef0
[ 1031.761726][T12101] PKRU: 55555554
[ 1031.761964][T12101] Call Trace:
[ 1031.762191][T12101]  <TASK>
[1031.762343][T12101] ? __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) 
[1031.762723][T12101] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1031.763084][T12101] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.763388][T12101] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.763696][T12101] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1031.764010][T12101] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.764316][T12101] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.764618][T12101] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.764986][T12101] ? ___sys_sendmsg (net/socket.c:2670) 
[1031.765315][T12101] ? __sys_sendmsg (net/socket.c:2700) 
[1031.765616][T12101] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.765940][T12101] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1031.766362][T12101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.766682][T12101] netif_set_mtu (net/core/dev.c:9652) 
[1031.767015][T12101] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1031.767354][T12101] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1031.767594][T12101] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1031.768045][T12101] br_del_if (net/bridge/br_if.c:743) bridge 
[1031.768413][T12101] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1031.768728][T12101] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1031.769063][T12101] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1031.769389][T12101] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1031.769810][T12101] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1031.770142][T12101] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1031.770459][T12101] ? __kernel_text_address (kernel/extable.c:79) 
[1031.770793][T12101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.771119][T12101] ? __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) 
[1031.771444][T12101] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1031.771849][T12101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.772170][T12101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.772500][T12101] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1031.772812][T12101] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1031.773115][T12101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.773419][T12101] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1031.773726][T12101] ? __create_object (mm/kmemleak.c:771) 
[1031.774050][T12101] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1031.774361][T12101] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1031.774663][T12101] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1031.775052][T12101] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1031.775362][T12101] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1031.775671][T12101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.775987][T12101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.776303][T12101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.776610][T12101] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1031.776920][T12101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.777227][T12101] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1031.777529][T12101] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1031.777856][T12101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.778167][T12101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.778491][T12101] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1031.778804][T12101] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1031.779110][T12101] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1031.779424][T12101] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1031.779725][T12101] ? 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) 
[1031.780076][T12101] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1031.780384][T12101] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1031.780696][T12101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.781018][T12101] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1031.781324][T12101] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1031.781629][T12101] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1031.781960][T12101] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1031.782272][T12101] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1031.782574][T12101] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1031.782982][T12101] ___sys_sendmsg (net/socket.c:2670) 
[1031.783286][T12101] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1031.783590][T12101] ? __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) 
[1031.783994][T12101] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1031.784301][T12101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.784606][T12101] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1031.784936][T12101] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1031.785240][T12101] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1031.785550][T12101] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1031.785873][T12101] __sys_sendmsg (net/socket.c:2700) 
[1031.786176][T12101] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1031.786550][T12101] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1031.786874][T12101] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1031.787180][T12101] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1031.787484][T12101] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1031.787873][T12101] RIP: 0033:0x7f290d33a1e7
[ 1031.788195][T12101] 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)
[ 1031.789290][T12101] RSP: 002b:00007fffe1aa1dc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1031.789755][T12101] RAX: ffffffffffffffda RBX: 00007fffe1aa24f0 RCX: 00007f290d33a1e7
[ 1031.790230][T12101] RDX: 0000000000000000 RSI: 00007fffe1aa1e30 RDI: 0000000000000005
[ 1031.790684][T12101] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1031.791149][T12101] R10: 00007f290d237ee8 R11: 0000000000000246 R12: 0000000000000003
[ 1031.791604][T12101] R13: 00000000686e1c11 R14: 0000000000499600 R15: 0000000000000000
| [ 1032.275919][T12105] ------------[ cut here ]------------
| [1032.276272][T12105] WARNING: CPU: 2 PID: 12105 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) 
| [ 1032.277402][T12105] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1032.278809][T12105] Tainted: [W]=WARN
[ 1032.279056][T12105] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1032.279447][T12105] 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) 
[ 1032.279798][T12105] 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
[ 1032.280929][T12105] RSP: 0018:ffffc9000968ef70 EFLAGS: 00010246
[ 1032.281352][T12105] RAX: 0000000000000000 RBX: ffff8880061c2000 RCX: 0000000000000001
[ 1032.281834][T12105] RDX: 0000000000000000 RSI: ffffffff9109b941 RDI: ffffffff908555e0
[ 1032.282303][T12105] RBP: ffffc9000968f058 R08: 0000000000000000 R09: 0000000000000000
[ 1032.282792][T12105] R10: ffffc9000968f088 R11: ffffffff91579160 R12: 1ffff920012d1df2
[ 1032.283259][T12105] R13: 00000000000005dc R14: ffffc9000968f088 R15: ffff8880061c2f08
[ 1032.283725][T12105] FS:  00007fbe8ea0b800(0000) GS:ffff8880a31b7000(0000) knlGS:0000000000000000
[ 1032.284278][T12105] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1032.284680][T12105] CR2: 00000000004e5ce0 CR3: 000000000aba4005 CR4: 0000000000772ef0
[ 1032.285174][T12105] PKRU: 55555554
[ 1032.285423][T12105] Call Trace:
[ 1032.285665][T12105]  <TASK>
[1032.286070][T12105] ? __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) 
[1032.286691][T12105] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1032.287223][T12105] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1032.287694][T12105] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1032.288368][T12105] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1032.289275][T12105] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1032.290161][T12105] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1032.290937][T12105] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1032.291264][T12105] ? ___sys_sendmsg (net/socket.c:2670) 
[1032.291583][T12105] ? __sys_sendmsg (net/socket.c:2700) 
[1032.291923][T12105] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1032.292252][T12105] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1032.292643][T12105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1032.293006][T12105] netif_set_mtu (net/core/dev.c:9652) 
[1032.293338][T12105] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1032.293670][T12105] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1032.293925][T12105] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1032.294364][T12105] br_del_if (net/bridge/br_if.c:743) bridge 
[1032.294720][T12105] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1032.295059][T12105] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1032.295386][T12105] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1032.295706][T12105] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1032.296125][T12105] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1032.296447][T12105] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1032.296763][T12105] ? __kernel_text_address (kernel/extable.c:79) 
[1032.297125][T12105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1032.297456][T12105] ? __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) 
[1032.297772][T12105] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1032.298174][T12105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1032.298508][T12105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1032.298852][T12105] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1032.299174][T12105] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1032.299500][T12105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1032.299838][T12105] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1032.300155][T12105] ? __create_object (mm/kmemleak.c:771) 
[1032.300473][T12105] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1032.300824][T12105] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1032.301153][T12105] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1032.301543][T12105] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1032.301896][T12105] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1032.302226][T12105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1032.302540][T12105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1032.302885][T12105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1032.303207][T12105] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1032.303520][T12105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1032.303863][T12105] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1032.304183][T12105] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1032.304500][T12105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1032.304859][T12105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1032.305187][T12105] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1032.305505][T12105] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1032.305834][T12105] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1032.306164][T12105] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1032.306476][T12105] ? 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) 
[1032.306816][T12105] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1032.307145][T12105] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1032.307460][T12105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1032.307800][T12105] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1032.308130][T12105] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1032.308461][T12105] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1032.308819][T12105] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1032.309144][T12105] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1032.309466][T12105] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1032.309879][T12105] ___sys_sendmsg (net/socket.c:2670) 
[1032.310194][T12105] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1032.310507][T12105] ? __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) 
[1032.310918][T12105] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1032.311241][T12105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1032.311561][T12105] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1032.311910][T12105] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1032.312229][T12105] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1032.312544][T12105] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1032.312900][T12105] __sys_sendmsg (net/socket.c:2700) 
[1032.313227][T12105] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1032.313615][T12105] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1032.313956][T12105] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1032.314283][T12105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1032.314600][T12105] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1032.315016][T12105] RIP: 0033:0x7fbe8ebd81e7
[ 1032.315350][T12105] 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)
[ 1032.316458][T12105] RSP: 002b:00007ffdc4d67b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1032.316972][T12105] RAX: ffffffffffffffda RBX: 00007ffdc4d68260 RCX: 00007fbe8ebd81e7
[ 1032.317451][T12105] RDX: 0000000000000000 RSI: 00007ffdc4d67ba0 RDI: 0000000000000005
[ 1032.317928][T12105] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1032.318408][T12105] R10: 00007fbe8ead5ee8 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