======================================
| 0
| xx__-> [   18.515672][  T309] ------------[ cut here ]------------
| [ 18.516844][ T309] WARNING: CPU: 3 PID: 309 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   18.517404][  T309] Modules linked in: vrf veth
[   18.518238][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.518593][ T309] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 18.518917][ T309] 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
[   18.519934][  T309] RSP: 0018:ffffc90000527140 EFLAGS: 00010246
[   18.520288][  T309] RAX: 0000000000000000 RBX: ffff8880051fc000 RCX: 0000000000000001
[   18.520763][  T309] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   18.521181][  T309] RBP: ffffc90000527230 R08: ffff888004e66800 R09: 0000000000000000
[   18.521594][  T309] R10: ffffc900005275c8 R11: ffffffffb4e50668 R12: 1ffff920000a4e2c
[   18.522029][  T309] R13: 00000000000005dc R14: ffffc90000527880 R15: ffff8880050a9fe0
[   18.522457][  T309] FS:  00007fa030033800(0000) GS:ffff888080237000(0000) knlGS:0000000000000000
[   18.522952][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.523304][  T309] CR2: 00000000004e5aa0 CR3: 000000000a3bf001 CR4: 0000000000772ef0
[   18.523740][  T309] PKRU: 55555554
[   18.523967][  T309] Call Trace:
[   18.524185][  T309]  <TASK>
[ 18.524329][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.524617][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.524905][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.525207][ T309] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.525798][ T309] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.526078][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.526380][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.526669][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.527028][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.527307][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.527598][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.527907][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.528188][ T309] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 18.528477][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.528843][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.529135][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.529409][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.529685][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.529994][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.530286][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.530572][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 18.530871][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.531161][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.531450][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.531811][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.532095][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.532381][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.532654][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.532947][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.533225][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.533515][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.533804][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.534081][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.534358][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.534636][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.534974][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.535271][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.535552][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.535875][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.536163][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 18.536439][ T309] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.536717][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.537006][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.537288][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.537567][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.537865][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.538151][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.538435][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.538712][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.539075][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 18.539347][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.539636][ T309] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 18.540002][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.540282][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.540561][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.540853][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.541128][ T309] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.541404][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.541685][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 18.541967][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.542315][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.542604][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.542893][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.543170][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.543508][  T309] RIP: 0033:0x7fa0302001e7
[ 18.543811][ T309] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   18.544810][  T309] RSP: 002b:00007fff39447718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.545245][  T309] RAX: ffffffffffffffda RBX: 00007fff39447e40 RCX: 00007fa0302001e7
[   18.545665][  T309] RDX: 0000000000000000 RSI: 00007fff39447780 RDI: 0000000000000005
[   18.546092][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.546504][  T309] R10: 00007fa0300fdee8 R11: 0000000000000246 R12: 0000000000000004
[   18.546929][  T309] R13: 00000000686e4102 R14: 0000000000499600 R15: 0000000000000000
| [   19.517218][  T319] ------------[ cut here ]------------
| [ 19.517546][ T319] WARNING: CPU: 0 PID: 319 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.518118][  T319] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.519509][  T319] Tainted: [W]=WARN
[   19.519740][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.520095][ T319] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.520383][ T319] 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
[   19.521379][  T319] RSP: 0018:ffffc90000577140 EFLAGS: 00010246
[   19.521739][  T319] RAX: 0000000000000000 RBX: ffff888004f5a000 RCX: 0000000000000001
[   19.522164][  T319] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   19.522583][  T319] RBP: ffffc90000577230 R08: ffff888004ce0800 R09: 0000000000000000
[   19.523008][  T319] R10: ffffc900005775c8 R11: ffffffffb4e50668 R12: 1ffff920000aee2c
[   19.523431][  T319] R13: 00000000000004ce R14: ffffc90000577880 R15: ffff88800a250ae0
[   19.523854][  T319] FS:  00007fd560ac2800(0000) GS:ffff8880800b7000(0000) knlGS:0000000000000000
[   19.524335][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.524720][  T319] CR2: 00000000004e5360 CR3: 0000000005e28006 CR4: 0000000000772ef0
[   19.525159][  T319] PKRU: 55555554
[   19.525378][  T319] Call Trace:
[   19.525588][  T319]  <TASK>
[ 19.525729][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.526025][ T319] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.526302][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.526583][ T319] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.526872][ T319] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.527157][ T319] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.527447][ T319] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.527737][ T319] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.528098][ T319] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.528379][ T319] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.528652][ T319] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.528941][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.529220][ T319] ? __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) 
[ 19.529501][ T319] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.529855][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.530136][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.530412][ T319] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.530688][ T319] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.530975][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.531253][ T319] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.531532][ T319] ? __create_object (mm/kmemleak.c:771) 
[ 19.531819][ T319] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.532097][ T319] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.532372][ T319] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.532716][ T319] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.533008][ T319] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.533290][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.533564][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.533861][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.534141][ T319] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.534415][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.534694][ T319] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.534977][ T319] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.535267][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.535549][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.535848][ T319] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.536125][ T319] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.536399][ T319] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.536687][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.536972][ T319] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.537252][ T319] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.537529][ T319] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.537820][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.538104][ T319] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.538383][ T319] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.538660][ T319] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.538953][ T319] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.539234][ T319] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.539506][ T319] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.539875][ T319] ___sys_sendmsg (net/socket.c:2670) 
[ 19.540154][ T319] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.540431][ T319] ? __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) 
[ 19.540787][ T319] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.541069][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.541348][ T319] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.541632][ T319] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.541935][ T319] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.542222][ T319] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.542505][ T319] __sys_sendmsg (net/socket.c:2700) 
[ 19.542790][ T319] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.543132][ T319] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.543422][ T319] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.543702][ T319] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.543988][ T319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.544338][  T319] RIP: 0033:0x7fd560c8f1e7
[ 19.544625][ T319] 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)
[   19.545630][  T319] RSP: 002b:00007ffd8b023918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.546064][  T319] RAX: ffffffffffffffda RBX: 00007ffd8b024040 RCX: 00007fd560c8f1e7
[   19.546479][  T319] RDX: 0000000000000000 RSI: 00007ffd8b023980 RDI: 0000000000000005
[   19.546902][  T319] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.547314][  T319] R10: 00007fd560b8cee8 R11: 0000000000000246 R12: 0000000000000004
[   19.547726][  T319] R13: 00000000686e4103 R14: 0000000000499600 R15: 0000000000000000
| [   19.684655][  T320] ------------[ cut here ]------------
| [ 19.684991][ T320] WARNING: CPU: 1 PID: 320 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.685559][  T320] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.686575][  T320] Tainted: [W]=WARN
[   19.686798][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.687145][ T320] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.687431][ T320] 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
[   19.688427][  T320] RSP: 0018:ffffc90000527140 EFLAGS: 00010246
[   19.688782][  T320] RAX: 0000000000000000 RBX: ffff8880051fc000 RCX: 0000000000000001
[   19.689198][  T320] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   19.689611][  T320] RBP: ffffc90000527230 R08: ffff888008c9d000 R09: 0000000000000000
[   19.690048][  T320] R10: ffffc900005275c8 R11: ffffffffb4e50668 R12: 1ffff920000a4e2c
[   19.690462][  T320] R13: 00000000000005dc R14: ffffc90000527880 R15: ffff88800a252a60
[   19.691311][  T320] FS:  00007f04ffe69800(0000) GS:ffff888080137000(0000) knlGS:0000000000000000
[   19.691808][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.692162][  T320] CR2: 00000000004e5aa0 CR3: 000000000cefa006 CR4: 0000000000772ef0
[   19.692575][  T320] PKRU: 55555554
[   19.692790][  T320] Call Trace:
[   19.692994][  T320]  <TASK>
[ 19.693136][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.693419][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.693692][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.693990][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.694272][ T320] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.694549][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.694843][ T320] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.695136][ T320] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.695485][ T320] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.695775][ T320] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.696056][ T320] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.696358][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.696639][ T320] ? __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) 
[ 19.696939][ T320] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.697282][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.697559][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.697851][ T320] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.698137][ T320] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.698415][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.698693][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.698975][ T320] ? __create_object (mm/kmemleak.c:771) 
[ 19.699253][ T320] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.699529][ T320] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.699810][ T320] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.700152][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.700440][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.700722][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.701006][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.701287][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.701559][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.701848][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.702126][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.702399][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.702683][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.702972][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.703250][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.703527][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.703810][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.704098][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.704372][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.704654][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.704940][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.705225][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.705504][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.705801][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.706078][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.706382][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.706674][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.706959][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.707311][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 19.707584][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.707872][ T320] ? __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) 
[ 19.708219][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.708498][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.708788][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.709066][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.709342][ T320] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.709617][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.709921][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 19.710200][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.710539][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.710849][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.711125][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.711403][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.711747][  T320] RIP: 0033:0x7f05000361e7
[ 19.712047][ T320] 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)
[   19.713041][  T320] RSP: 002b:00007ffed38a23c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.713458][  T320] RAX: ffffffffffffffda RBX: 00007ffed38a2af0 RCX: 00007f05000361e7
[   19.713887][  T320] RDX: 0000000000000000 RSI: 00007ffed38a2430 RDI: 0000000000000005
[   19.714300][  T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.714721][  T320] R10: 00007f04fff33ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.715148][  T320] R13: 00000000686e4103 R14: 0000000000499600 R15: 0000000000000000
| [   19.967043][  T324] ------------[ cut here ]------------
| [ 19.967407][ T324] WARNING: CPU: 2 PID: 324 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.968015][  T324] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.969040][  T324] Tainted: [W]=WARN
[   19.969266][  T324] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.969622][ T324] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.969945][ T324] 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
[   19.971999][  T324] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   19.972372][  T324] RAX: 0000000000000000 RBX: ffff8880051fc000 RCX: 0000000000000001
[   19.972823][  T324] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   19.973247][  T324] RBP: ffffc90000587230 R08: ffff88800bb60800 R09: 0000000000000000
[   19.973673][  T324] R10: ffffc900005875c8 R11: ffffffffb4e50668 R12: 1ffff920000b0e2c
[   19.974105][  T324] R13: 00000000000003e8 R14: ffffc90000587880 R15: ffff888009f73160
[   19.974545][  T324] FS:  00007f7256940800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   19.975069][  T324] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.975429][  T324] CR2: 00000000004e5aa0 CR3: 0000000005e28001 CR4: 0000000000772ef0
[   19.975870][  T324] PKRU: 55555554
[   19.976090][  T324] Call Trace:
[   19.976308][  T324]  <TASK>
[ 19.976475][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.976788][ T324] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.977078][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.977369][ T324] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.977655][ T324] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.977960][ T324] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.978253][ T324] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.978564][ T324] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.978934][ T324] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.979228][ T324] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.979512][ T324] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.979811][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.980101][ T324] ? __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) 
[ 19.980402][ T324] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.980769][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.981064][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.981349][ T324] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.981634][ T324] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.981931][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.982233][ T324] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.982514][ T324] ? __create_object (mm/kmemleak.c:771) 
[ 19.982822][ T324] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.983109][ T324] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.983395][ T324] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.983760][ T324] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.984056][ T324] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.984360][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.984645][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.984946][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.985242][ T324] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.985529][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.985827][ T324] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.986128][ T324] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.986418][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.986706][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.987008][ T324] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.987294][ T324] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.987587][ T324] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.987894][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.988193][ T324] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.988489][ T324] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.988829][ T324] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.989123][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.989416][ T324] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.989706][ T324] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.990018][ T324] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.990326][ T324] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.990637][ T324] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.990932][ T324] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.991306][ T324] ___sys_sendmsg (net/socket.c:2670) 
[ 19.991588][ T324] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.991916][ T324] ? __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) 
[ 19.992281][ T324] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.992578][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.992883][ T324] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.993176][ T324] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.993461][ T324] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.993758][ T324] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.994078][ T324] __sys_sendmsg (net/socket.c:2700) 
[ 19.994368][ T324] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.994733][ T324] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.995044][ T324] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.995347][ T324] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.995637][ T324] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.996014][  T324] RIP: 0033:0x7f7256b0d1e7
[ 19.996311][ T324] 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)
[   19.997309][  T324] RSP: 002b:00007ffec8e83b98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.997760][  T324] RAX: ffffffffffffffda RBX: 00007ffec8e842c0 RCX: 00007f7256b0d1e7
[   19.998187][  T324] RDX: 0000000000000000 RSI: 00007ffec8e83c00 RDI: 0000000000000005
[   19.998610][  T324] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.999045][  T324] R10: 00007f7256a0aee8 R11: 0000000000000246 R12: 0000000000000004
[   19.999467][  T324] R13: 00000000686e4103 R14: 0000000000499600 R15: 0000000000000000
| [   36.287198][  T456] ------------[ cut here ]------------
| [ 36.287598][ T456] WARNING: CPU: 2 PID: 456 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) 
| [   36.288242][  T456] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   36.289556][  T456] Tainted: [W]=WARN
[   36.289804][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.290189][ T456] 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) 
[ 36.290510][ T456] 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
[   36.291587][  T456] RSP: 0018:ffffc90000c8f140 EFLAGS: 00010246
[   36.291986][  T456] RAX: 0000000000000000 RBX: ffff8880051fc000 RCX: 0000000000000001
[   36.292443][  T456] RDX: 0000000000000000 RSI: ffffffffb409b941 RDI: ffffffffb38555e0
[   36.292916][  T456] RBP: ffffc90000c8f230 R08: ffff888002836800 R09: 0000000000000000
[   36.293371][  T456] R10: ffffc90000c8f5c8 R11: ffffffffb4e50668 R12: 1ffff92000191e2c
[   36.293834][  T456] R13: 00000000000005dc R14: ffffc90000c8f880 R15: ffff88800b85ce60
[   36.294295][  T456] FS:  00007f920f291800(0000) GS:ffff8880801b7000(0000) knlGS:0000000000000000
[   36.294846][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.295253][  T456] CR2: 00000000004e5aa0 CR3: 000000000a860003 CR4: 0000000000772ef0
[   36.295742][  T456] PKRU: 55555554
[   36.295996][  T456] Call Trace:
[   36.296243][  T456]  <TASK>
[ 36.296405][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.296727][ T456] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.297050][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.297377][ T456] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.297685][ T456] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.298002][ T456] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.298320][ T456] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.298634][ T456] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.299038][ T456] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.299343][ T456] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.299648][ T456] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.299964][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.300274][ T456] ? __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) 
[ 36.300582][ T456] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.300971][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.301280][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.301585][ T456] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.301900][ T456] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.302210][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.302512][ T456] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.302821][ T456] ? __create_object (mm/kmemleak.c:771) 
[ 36.303132][ T456] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.303437][ T456] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.303737][ T456] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.304122][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.304429][ T456] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.304734][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.305042][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.305376][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.305682][ T456] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.305995][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.306311][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.306609][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.306926][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.307230][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.307537][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.307853][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.308160][ T456] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.308473][ T456] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.308817][ T456] ? 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) 
[ 36.309125][ T456] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.309434][ T456] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.309747][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.310087][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.310397][ T456] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.310708][ T456] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.311032][ T456] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.311343][ T456] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.311643][ T456] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.312041][ T456] ___sys_sendmsg (net/socket.c:2670) 
[ 36.312348][ T456] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.312654][ T456] ? __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) 
[ 36.313050][ T456] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.313372][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.313685][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.314011][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.314327][ T456] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.314640][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.314990][ T456] __sys_sendmsg (net/socket.c:2700) 
[ 36.315321][ T456] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.315697][ T456] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.316022][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.316327][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.316630][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.317017][  T456] RIP: 0033:0x7f920f45e1e7
[ 36.317334][ T456] 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)
[   36.318401][  T456] RSP: 002b:00007ffdc4edab38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.318870][  T456] RAX: ffffffffffffffda RBX: 00007ffdc4edb260 RCX: 00007f920f45e1e7
[   36.319327][  T456] RDX: 0000000000000000 RSI: 00007ffdc4edaba0 RDI: 0000000000000005
[   36.319785][  T456] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.320244][  T456] R10: 00007f920f35bee8 R11: 0000000000000246 R12: 0000000000000004


Finger prints:
netif_set_mtu_ext:rtnl_newlink:rtnetlink_rcv_msg:netlink_rcv_skb:netlink_unicast