======================================
| [  125.263965][ T1117] vxlan0: entered promiscuous mode
| [  125.268804][ T1117] ------------[ cut here ]------------
| [ 125.269135][ T1117] WARNING: CPU: 3 PID: 1117 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [  125.270483][ T1117] Modules linked in: vxlan netdevsim psample pktgen xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
[  125.271928][ T1117] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 125.272338][ T1117] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 125.272662][ T1117] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  125.273752][ T1117] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[  125.274147][ T1117] RAX: 0000000000000000 RBX: ffff888019dc2000 RCX: 0000000000000001
[  125.274616][ T1117] RDX: 0000000000000000 RSI: ffffffff90f10759 RDI: ffffffff90658280
[  125.275068][ T1117] RBP: ffffc900005d6fd8 R08: 0000000000000000 R09: 0000000000000000
[  125.275566][ T1117] R10: ffffc900005d7008 R11: ffffffff9198d1e0 R12: 1ffff920000bade2
[  125.276026][ T1117] R13: 00000000000005aa R14: ffffc900005d7008 R15: ffff888019dc2f48
[  125.276502][ T1117] FS:  00007f9959732800(0000) GS:ffff8880d9b19000(0000) knlGS:0000000000000000
[  125.277046][ T1117] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  125.277447][ T1117] CR2: 00000000004e6888 CR3: 0000000018293001 CR4: 0000000000772ef0
[  125.277921][ T1117] PKRU: 55555554
[  125.278156][ T1117] Call Trace:
[  125.278396][ T1117]  <TASK>
[ 125.278793][ T1117] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 125.279103][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.279429][ T1117] netif_set_mtu (net/core/dev.c:9652) 
[ 125.279742][ T1117] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 125.280064][ T1117] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 125.280319][ T1117] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 125.280649][ T1117] br_add_if (net/bridge/br_if.c:697) 
[ 125.280888][ T1117] do_set_master (net/core/rtnetlink.c:2948) 
[ 125.281217][ T1117] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 125.281533][ T1117] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 125.281844][ T1117] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 125.282234][ T1117] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 125.282538][ T1117] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 125.282835][ T1117] ? __kernel_text_address (kernel/extable.c:79) 
[ 125.283147][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.283464][ T1117] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 125.283773][ T1117] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 125.284142][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.284462][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.284766][ T1117] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 125.285073][ T1117] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 125.285402][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.285719][ T1117] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 125.286023][ T1117] ? __create_object (mm/kmemleak.c:771) 
[ 125.286344][ T1117] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 125.286650][ T1117] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 125.286957][ T1117] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 125.287386][ T1117] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 125.287710][ T1117] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 125.288035][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.288351][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.288661][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.288970][ T1117] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 125.289281][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.289618][ T1117] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 125.289918][ T1117] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 125.290231][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.290557][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.290870][ T1117] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 125.291209][ T1117] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 125.291518][ T1117] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 125.291836][ T1117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 125.292141][ T1117] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 125.292469][ T1117] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 125.292799][ T1117] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 125.293102][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.293420][ T1117] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 125.293733][ T1117] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 125.294037][ T1117] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 125.294358][ T1117] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 125.294666][ T1117] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 125.294972][ T1117] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 125.295376][ T1117] ___sys_sendmsg (net/socket.c:2670) 
[ 125.295675][ T1117] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 125.295975][ T1117] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 125.296367][ T1117] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 125.296672][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.296981][ T1117] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 125.297306][ T1117] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 125.297612][ T1117] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 125.297921][ T1117] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 125.298242][ T1117] __sys_sendmsg (net/socket.c:2700) 
[ 125.298540][ T1117] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 125.298913][ T1117] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 125.299232][ T1117] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 125.299535][ T1117] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 125.299847][ T1117] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  125.300245][ T1117] RIP: 0033:0x7f99598ff1e7
[ 125.300570][ T1117] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[  125.301652][ T1117] RSP: 002b:00007fff742cf4b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  125.302127][ T1117] RAX: ffffffffffffffda RBX: 00007fff742cfbf0 RCX: 00007f99598ff1e7
[  125.302586][ T1117] RDX: 0000000000000000 RSI: 00007fff742cf520 RDI: 0000000000000005
[  125.303050][ T1117] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  125.303511][ T1117] R10: 00000000224dc910 R11: 0000000000000246 R12: 0000000000000003
[  125.303992][ T1117] R13: 00000000686e4e30 R14: 0000000000499600 R15: 0000000000000000
| [  126.796823][ T1128] ------------[ cut here ]------------
| [ 126.797152][ T1128] WARNING: CPU: 0 PID: 1128 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) 
| [  126.797822][ T1128] Modules linked in: vxlan netdevsim psample pktgen xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  126.799354][ T1128] Tainted: [W]=WARN
[  126.799588][ T1128] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.799959][ T1128] 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) 
[ 126.800453][ T1128] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  126.801549][ T1128] RSP: 0018:ffffc90000816ef0 EFLAGS: 00010246
[  126.802018][ T1128] RAX: 0000000000000000 RBX: ffff888016032000 RCX: 0000000000000001
[  126.802496][ T1128] RDX: 0000000000000000 RSI: ffffffff90f10759 RDI: ffffffff90658280
[  126.803009][ T1128] RBP: ffffc90000816fd8 R08: 0000000000000000 R09: 0000000000000000
[  126.803625][ T1128] R10: ffffc90000817008 R11: ffffffff9198d1e0 R12: 1ffff92000102de2
[  126.804102][ T1128] R13: 00000000000005aa R14: ffffc90000817008 R15: ffff888016032f48
[  126.804694][ T1128] FS:  00007f4cce761800(0000) GS:ffff8880d9999000(0000) knlGS:0000000000000000
[  126.805359][ T1128] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  126.805738][ T1128] CR2: 00000000004e6888 CR3: 0000000008da0005 CR4: 0000000000772ef0
[  126.806215][ T1128] PKRU: 55555554
[  126.806439][ T1128] Call Trace:
[  126.806662][ T1128]  <TASK>
[ 126.806815][ T1128] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 126.807112][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.807482][ T1128] netif_set_mtu (net/core/dev.c:9652) 
[ 126.807850][ T1128] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 126.808173][ T1128] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 126.808487][ T1128] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 126.808864][ T1128] br_add_if (net/bridge/br_if.c:697) 
[ 126.809148][ T1128] do_set_master (net/core/rtnetlink.c:2948) 
[ 126.809520][ T1128] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 126.809936][ T1128] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 126.810422][ T1128] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 126.811077][ T1128] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 126.811626][ T1128] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 126.812138][ T1128] ? __kernel_text_address (kernel/extable.c:79) 
[ 126.812586][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.812974][ T1128] ? __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) 
[ 126.813355][ T1128] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 126.813838][ T1128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.814297][ T1128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.814712][ T1128] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 126.815004][ T1128] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 126.815365][ T1128] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.815667][ T1128] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 126.815956][ T1128] ? __create_object (mm/kmemleak.c:771) 
[ 126.816270][ T1128] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 126.816567][ T1128] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 126.816860][ T1128] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 126.817255][ T1128] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 126.817556][ T1128] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 126.817858][ T1128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.818156][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.818466][ T1128] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.818758][ T1128] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 126.819047][ T1128] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.819378][ T1128] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 126.819680][ T1128] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 126.819972][ T1128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.820296][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.820594][ T1128] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 126.820885][ T1128] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 126.821224][ T1128] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 126.821647][ T1128] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 126.821945][ T1128] ? 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) 
[ 126.822259][ T1128] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 126.822556][ T1128] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 126.822846][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.823147][ T1128] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 126.823470][ T1128] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 126.823793][ T1128] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 126.824168][ T1128] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 126.824556][ T1128] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 126.824905][ T1128] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 126.825498][ T1128] ___sys_sendmsg (net/socket.c:2670) 
[ 126.826002][ T1128] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 126.826819][ T1128] ? __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) 
[ 126.827490][ T1128] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 126.828023][ T1128] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.828566][ T1128] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 126.828945][ T1128] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 126.829332][ T1128] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 126.829695][ T1128] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 126.829998][ T1128] __sys_sendmsg (net/socket.c:2700) 
[ 126.830312][ T1128] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 126.830681][ T1128] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 126.831078][ T1128] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 126.831424][ T1128] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 126.831722][ T1128] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  126.832087][ T1128] RIP: 0033:0x7f4cce92e1e7
[ 126.832437][ T1128] 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)
[  126.833691][ T1128] RSP: 002b:00007ffc59148678 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  126.834324][ T1128] RAX: ffffffffffffffda RBX: 00007ffc59148db0 RCX: 00007f4cce92e1e7
[  126.834849][ T1128] RDX: 0000000000000000 RSI: 00007ffc591486e0 RDI: 0000000000000005
[  126.835339][ T1128] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  126.835867][ T1128] R10: 000000003231e910 R11: 0000000000000246 R12: 0000000000000003
[  126.836332][ T1128] R13: 00000000686e4e32 R14: 0000000000499600 R15: 0000000000000000
| [  127.660489][ T1135] ------------[ cut here ]------------
| [ 127.660837][ T1135] WARNING: CPU: 3 PID: 1135 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) 
| [  127.662223][ T1135] Modules linked in: vxlan netdevsim psample pktgen xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  127.663638][ T1135] Tainted: [W]=WARN
[  127.663881][ T1135] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 127.664261][ T1135] 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) 
[ 127.664593][ T1135] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  127.665681][ T1135] RSP: 0018:ffffc90000836ef0 EFLAGS: 00010246
[  127.666072][ T1135] RAX: 0000000000000000 RBX: ffff888019dc2000 RCX: 0000000000000001
[  127.666533][ T1135] RDX: 0000000000000000 RSI: ffffffff90f10759 RDI: ffffffff90658280
[  127.666991][ T1135] RBP: ffffc90000836fd8 R08: 0000000000000000 R09: 0000000000000000
[  127.667451][ T1135] R10: ffffc90000837008 R11: ffffffff922ceab8 R12: 1ffff92000106de2
[  127.667908][ T1135] R13: 00000000000005aa R14: ffffc90000837008 R15: ffff888019dc2f48
[  127.668368][ T1135] FS:  00007f9a8114f800(0000) GS:ffff8880d9b19000(0000) knlGS:0000000000000000
[  127.668906][ T1135] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  127.669295][ T1135] CR2: 00000000004e6888 CR3: 0000000011acb003 CR4: 0000000000772ef0
[  127.669753][ T1135] PKRU: 55555554
[  127.669987][ T1135] Call Trace:
[  127.670227][ T1135]  <TASK>
[ 127.670387][ T1135] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 127.670701][ T1135] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 127.671018][ T1135] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 127.671409][ T1135] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 127.671712][ T1135] netif_set_mtu (net/core/dev.c:9652) 
[ 127.672013][ T1135] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 127.672336][ T1135] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 127.672724][ T1135] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 127.672960][ T1135] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 127.673278][ T1135] br_add_if (net/bridge/br_if.c:697) 
[ 127.673516][ T1135] do_set_master (net/core/rtnetlink.c:2948) 
[ 127.673818][ T1135] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 127.674124][ T1135] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 127.674437][ T1135] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 127.674820][ T1135] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 127.675131][ T1135] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 127.675445][ T1135] ? __kernel_text_address (kernel/extable.c:79) 
[ 127.675753][ T1135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.676059][ T1135] ? __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) 
[ 127.676372][ T1135] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 127.676743][ T1135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.677047][ T1135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.677358][ T1135] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 127.677663][ T1135] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 127.677969][ T1135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.678282][ T1135] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 127.678588][ T1135] ? __create_object (mm/kmemleak.c:771) 
[ 127.678898][ T1135] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 127.679213][ T1135] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 127.679528][ T1135] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 127.679905][ T1135] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 127.680229][ T1135] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 127.680543][ T1135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.680842][ T1135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.681151][ T1135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.681461][ T1135] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 127.681766][ T1135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.682070][ T1135] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 127.682383][ T1135] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 127.683035][ T1135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.683351][ T1135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.683658][ T1135] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 127.683972][ T1135] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 127.684288][ T1135] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 127.684607][ T1135] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 127.684918][ T1135] ? 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) 
[ 127.685253][ T1135] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 127.685563][ T1135] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 127.685867][ T1135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.686172][ T1135] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 127.686488][ T1135] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 127.686787][ T1135] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 127.687107][ T1135] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 127.687426][ T1135] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 127.687723][ T1135] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 127.688116][ T1135] ___sys_sendmsg (net/socket.c:2670) 
[ 127.688429][ T1135] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 127.689162][ T1135] ? __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) 
[ 127.689563][ T1135] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 127.689874][ T1135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.690198][ T1135] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 127.690500][ T1135] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 127.691015][ T1135] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 127.691333][ T1135] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 127.691638][ T1135] __sys_sendmsg (net/socket.c:2700) 
[ 127.692158][ T1135] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 127.692551][ T1135] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 127.692868][ T1135] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 127.693616][ T1135] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 127.694142][ T1135] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  127.694526][ T1135] RIP: 0033:0x7f9a8131c1e7
[ 127.695067][ T1135] 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)
[  127.696381][ T1135] RSP: 002b:00007fff5cc76de8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  127.696844][ T1135] RAX: ffffffffffffffda RBX: 00007fff5cc77520 RCX: 00007f9a8131c1e7
[  127.697313][ T1135] RDX: 0000000000000000 RSI: 00007fff5cc76e50 RDI: 0000000000000005
[  127.697977][ T1135] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  127.698426][ T1135] R10: 00000000267dd910 R11: 0000000000000246 R12: 0000000000000003
[  127.698891][ T1135] R13: 00000000686e4e33 R14: 0000000000499600 R15: 0000000000000000
| [  129.004759][ T1145] ------------[ cut here ]------------
| [ 129.005166][ T1145] WARNING: CPU: 0 PID: 1145 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) 
| [  129.005895][ T1145] Modules linked in: vxlan netdevsim psample pktgen xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  129.007971][ T1145] Tainted: [W]=WARN
[  129.008304][ T1145] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.008881][ T1145] 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) 
[ 129.009290][ T1145] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  129.011990][ T1145] RSP: 0018:ffffc90000966ef0 EFLAGS: 00010246
[  129.012597][ T1145] RAX: 0000000000000000 RBX: ffff888016032000 RCX: 0000000000000001
[  129.013047][ T1145] RDX: 0000000000000000 RSI: ffffffff90f10759 RDI: ffffffff90658280
[  129.013557][ T1145] RBP: ffffc90000966fd8 R08: 0000000000000000 R09: 0000000000000000
[  129.014053][ T1145] R10: ffffc90000967008 R11: ffffffff922ceab8 R12: 1ffff9200012cde2
[  129.014609][ T1145] R13: 00000000000005aa R14: ffffc90000967008 R15: ffff888016032f48
[  129.015076][ T1145] FS:  00007f3944aa8800(0000) GS:ffff8880d9999000(0000) knlGS:0000000000000000
[  129.015690][ T1145] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  129.016069][ T1145] CR2: 00000000004e6888 CR3: 00000000142ef001 CR4: 0000000000772ef0
[  129.016646][ T1145] PKRU: 55555554
[  129.016880][ T1145] Call Trace:
[  129.017101][ T1145]  <TASK>
[ 129.017287][ T1145] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 129.017603][ T1145] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 129.017900][ T1145] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 129.018297][ T1145] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 129.018597][ T1145] netif_set_mtu (net/core/dev.c:9652) 
[ 129.018894][ T1145] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 129.019250][ T1145] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) 
[ 129.019630][ T1145] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 129.019855][ T1145] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 129.020253][ T1145] br_add_if (net/bridge/br_if.c:697) 
[ 129.020605][ T1145] do_set_master (net/core/rtnetlink.c:2948) 
[ 129.020960][ T1145] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 129.021356][ T1145] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 129.021676][ T1145] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 129.022140][ T1145] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 129.022511][ T1145] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 129.022839][ T1145] ? __kernel_text_address (kernel/extable.c:79) 
[ 129.023240][ T1145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.023547][ T1145] ? __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) 
[ 129.023864][ T1145] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 129.024345][ T1145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.024702][ T1145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.025050][ T1145] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 129.025397][ T1145] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 129.025697][ T1145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.026060][ T1145] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 129.026408][ T1145] ? __create_object (mm/kmemleak.c:771) 
[ 129.026707][ T1145] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 129.027015][ T1145] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 129.027356][ T1145] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 129.027725][ T1145] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 129.028035][ T1145] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 129.028437][ T1145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.028732][ T1145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.029033][ T1145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.029364][ T1145] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 129.029679][ T1145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.029975][ T1145] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 129.030295][ T1145] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 129.030595][ T1145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.030892][ T1145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.031262][ T1145] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 129.031571][ T1145] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 129.031880][ T1145] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 129.032229][ T1145] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 129.032528][ T1145] ? 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) 
[ 129.032823][ T1145] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 129.033119][ T1145] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 129.033535][ T1145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.033849][ T1145] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 129.034272][ T1145] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 129.034574][ T1145] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 129.034880][ T1145] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 129.035207][ T1145] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 129.035513][ T1145] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 129.035984][ T1145] ___sys_sendmsg (net/socket.c:2670) 
[ 129.036327][ T1145] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 129.036696][ T1145] ? __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) 
[ 129.037245][ T1145] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 129.037561][ T1145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.037864][ T1145] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 129.038179][ T1145] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 129.038492][ T1145] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 129.038787][ T1145] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 129.039099][ T1145] __sys_sendmsg (net/socket.c:2700) 
[ 129.039413][ T1145] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 129.039784][ T1145] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 129.040092][ T1145] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 129.040581][ T1145] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 129.041002][ T1145] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  129.041687][ T1145] RIP: 0033:0x7f3944c751e7
[ 129.042253][ T1145] 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)
[  129.044138][ T1145] RSP: 002b:00007ffed68662e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  129.044933][ T1145] RAX: ffffffffffffffda RBX: 00007ffed6866a20 RCX: 00007f3944c751e7
[  129.045625][ T1145] RDX: 0000000000000000 RSI: 00007ffed6866350 RDI: 0000000000000005
[  129.046079][ T1145] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[  129.046531][ T1145] R10: 000000002a313910 R11: 0000000000000246 R12: 0000000000000003
[  129.046982][ T1145] R13: 00000000686e4e34 R14: 0000000000499600 R15: 0000000000000000
| [  132.472492][   T67] ------------[ cut here ]------------
| [ 132.472815][ T67] WARNING: CPU: 3 PID: 67 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) 
| [  132.473361][   T67] Modules linked in: vxlan netdevsim psample pktgen xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
| [  132.475312][   T67] Tainted: [W]=WARN
[  132.475551][   T67] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  132.476017][   T67] Workqueue: netns cleanup_net
[ 132.476355][ T67] 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) 
[ 132.476674][ T67] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[  132.477807][   T67] RSP: 0018:ffffc90000487360 EFLAGS: 00010246
[  132.478211][   T67] RAX: 0000000000000000 RBX: ffff888016032000 RCX: 0000000000000001
[  132.478673][   T67] RDX: 0000000000000000 RSI: ffffffff90f10759 RDI: ffffffff90658280
[  132.479134][   T67] RBP: ffffc90000487450 R08: 0000000000000000 R09: 0000000000000000
[  132.479601][   T67] R10: ffffc90000487480 R11: ffffffff8d2be86a R12: 1ffff92000090e70
[  132.480067][   T67] R13: 00000000000005dc R14: ffffc90000487480 R15: ffff888016032f48
[  132.480540][   T67] FS:  0000000000000000(0000) GS:ffff8880d9b19000(0000) knlGS:0000000000000000
[  132.481083][   T67] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  132.481479][   T67] CR2: 00007f5e147ed000 CR3: 000000000d74a003 CR4: 0000000000772ef0
[  132.481954][   T67] PKRU: 55555554
[  132.482197][   T67] Call Trace:
[  132.482429][   T67]  <TASK>
[ 132.482583][ T67] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 132.482894][ T67] ? __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) 
[ 132.483292][ T67] ? br_del_if (net/bridge/br_if.c:742) 
[ 132.483529][ T67] ? br_device_event (net/bridge/br.c:141) 
[ 132.483836][ T67] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 132.484143][ T67] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 132.484464][ T67] ? unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 132.484847][ T67] ? default_device_exit_batch (net/core/dev.c:12673) 
[ 132.485251][ T67] ? ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 132.485569][ T67] ? cleanup_net (net/core/net_namespace.c:684) 
[ 132.485874][ T67] ? process_one_work (kernel/workqueue.c:3238) 
[ 132.486178][ T67] ? worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 132.486493][ T67] ? kthread (kernel/kthread.c:464) 
[ 132.486731][ T67] ? ret_from_fork (arch/x86/kernel/process.c:148) 
[ 132.487038][ T67] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:258) 
[ 132.487373][ T67] netif_set_mtu (net/core/dev.c:9652) 
[ 132.487682][ T67] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 132.488013][ T67] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 132.488254][ T67] br_mtu_auto_adjust (net/bridge/br_if.c:525) 
[ 132.488567][ T67] br_del_if (net/bridge/br_if.c:743) 
[ 132.488801][ T67] br_device_event (net/bridge/br.c:141) 
[ 132.489111][ T67] ? __pfx_br_device_event (net/bridge/br.c:29) 
[ 132.489433][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 132.489760][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 132.490151][ T67] ? __pfx_vxlan_dellink (drivers/net/vxlan/vxlan_core.c:4473) vxlan 
[ 132.490564][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 132.490949][ T67] ? net_generic (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48) vxlan 
[ 132.491277][ T67] vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4709 drivers/net/vxlan/vxlan_core.c:4718) vxlan 
[ 132.491668][ T67] ? pktgen_find_dev (./arch/x86/include/asm/jump_label.h:36 net/core/pktgen.c:3788) pktgen 
[ 132.491981][ T67] ? __pfx_vxlan_netdevice_event (drivers/net/vxlan/vxlan_core.c:4713) vxlan 
[ 132.492384][ T67] ? pktgen_device_event (net/core/pktgen.c:2133) pktgen 
[ 132.492773][ T67] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 132.493087][ T67] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 132.493484][ T67] ? mutex_is_locked (./arch/x86/include/asm/atomic64_64.h:15 ./include/linux/atomic/atomic-arch-fallback.h:2583 ./include/linux/atomic/atomic-long.h:38 ./include/linux/atomic/atomic-instrumented.h:3189 kernel/locking/mutex.h:47 kernel/locking/mutex.c:67) 
[ 132.493798][ T67] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 132.494190][ T67] ? unregister_netdevice_queue (net/core/dev.c:12004) 
[ 132.494575][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 132.494960][ T67] ? vrf_dellink (drivers/net/vrf.c:1665) 
[ 132.495288][ T67] ? __pfx_unregister_netdevice_queue (net/core/dev.c:12003) 
[ 132.495681][ T67] default_device_exit_batch (net/core/dev.c:12673) 
[ 132.495988][ T67] ? __pfx_default_device_exit_batch (net/core/dev.c:12648) 
[ 132.496389][ T67] ops_undo_list (net/core/net_namespace.c:204 net/core/net_namespace.c:251) 
[ 132.496702][ T67] ? __pfx_ops_undo_list (net/core/net_namespace.c:222) 
[ 132.497005][ T67] ? cleanup_net (./include/linux/list.h:183 net/core/net_namespace.c:679) 
[ 132.497333][ T67] cleanup_net (net/core/net_namespace.c:684) 
[ 132.497645][ T67] ? __pfx_cleanup_net (net/core/net_namespace.c:648) 
[ 132.497954][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.498278][ T67] process_one_work (kernel/workqueue.c:3238) 
[ 132.498596][ T67] ? __pfx_process_one_work (kernel/workqueue.c:3140) 
[ 132.498908][ T67] ? assign_work (kernel/workqueue.c:1200) 
[ 132.499222][ T67] worker_thread (kernel/workqueue.c:3315 kernel/workqueue.c:3402) 
[ 132.499544][ T67] ? __pfx_worker_thread (kernel/workqueue.c:3348) 
[ 132.499852][ T67] kthread (kernel/kthread.c:464) 
[ 132.500358][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 132.500667][ T67] ? ret_from_fork (arch/x86/kernel/process.c:147) 
[ 132.500970][ T67] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 132.501286][ T67] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 132.501593][ T67] ? __pfx_kthread (kernel/kthread.c:413) 
[ 132.501903][ T67] ret_from_fork (arch/x86/kernel/process.c:148) 
[ 132.502221][ T67] ? __pfx_kthread (kernel/kthread.c:413) 


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