======================================
| xx__-> [   15.103522][  T251] ip (251) used greatest stack depth: 24496 bytes left
| [   18.952780][  T311] ------------[ cut here ]------------
| [ 18.953246][ T311] WARNING: CPU: 3 PID: 311 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) 
| [   18.953816][  T311] Modules linked in: vrf veth
[   18.954671][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.955039][ T311] 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) 
[ 18.955351][ T311] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   18.956390][  T311] RSP: 0018:ffffc90000b77140 EFLAGS: 00010246
[   18.956742][  T311] RAX: 0000000000000000 RBX: ffff888007e09000 RCX: 0000000000000001
[   18.957183][  T311] RDX: 0000000000000000 RSI: ffffffff91e9b939 RDI: ffffffff916555e0
[   18.957626][  T311] RBP: ffffc90000b77230 R08: ffff888013335000 R09: 0000000000000000
[   18.958061][  T311] R10: ffffc90000b775c8 R11: ffffffff92c50668 R12: 1ffff9200016ee2c
[   18.958497][  T311] R13: 00000000000005dc R14: ffffc90000b77880 R15: ffff88801296aa60
[   18.958953][  T311] FS:  00007fb37cf00800(0000) GS:ffff8880a2437000(0000) knlGS:0000000000000000
[   18.959493][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.959892][  T311] CR2: 00000000004e5aa0 CR3: 0000000013168001 CR4: 0000000000772ef0
[   18.960344][  T311] PKRU: 55555554
[   18.960774][  T311] Call Trace:
[   18.961000][  T311]  <TASK>
[ 18.961160][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.961473][ T311] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.961778][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.962070][ T311] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.962357][ T311] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.962650][ T311] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.962939][ T311] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.963235][ T311] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.963585][ T311] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.963874][ T311] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.964156][ T311] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.964615][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.964921][ T311] ? __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) 
[ 18.965399][ T311] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.965789][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.966106][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.966533][ T311] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.966831][ T311] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.967126][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.967443][ T311] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.967739][ T311] ? __create_object (mm/kmemleak.c:771) 
[ 18.968035][ T311] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.968376][ T311] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.968692][ T311] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.969065][ T311] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.969402][ T311] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.969715][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.970010][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.970323][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.970633][ T311] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.970943][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.971253][ T311] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.971564][ T311] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.971874][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.972191][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.972524][ T311] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.972838][ T311] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.973146][ T311] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.973485][ T311] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.973794][ T311] ? 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) 
[ 18.974116][ T311] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 18.974445][ T311] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.974750][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.975054][ T311] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.975365][ T311] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.975669][ T311] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.976014][ T311] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.976346][ T311] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.976647][ T311] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.977026][ T311] ___sys_sendmsg (net/socket.c:2670) 
[ 18.977325][ T311] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.977622][ T311] ? __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) 
[ 18.977995][ T311] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.978308][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.978605][ T311] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.978904][ T311] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.979216][ T311] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.979511][ T311] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.979810][ T311] __sys_sendmsg (net/socket.c:2700) 
[ 18.980102][ T311] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.980486][ T311] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.980799][ T311] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.981100][ T311] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.981405][ T311] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.981763][  T311] RIP: 0033:0x7fb37d0cd1e7
[ 18.982077][ T311] 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)
[   18.983139][  T311] RSP: 002b:00007ffdf9e1bdd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.983589][  T311] RAX: ffffffffffffffda RBX: 00007ffdf9e1c500 RCX: 00007fb37d0cd1e7
[   18.984028][  T311] RDX: 0000000000000000 RSI: 00007ffdf9e1be40 RDI: 0000000000000005
[   18.984481][  T311] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.984917][  T311] R10: 00007fb37cfcaee8 R11: 0000000000000246 R12: 0000000000000004
[   18.985360][  T311] R13: 00000000686e7619 R14: 0000000000499600 R15: 0000000000000000
| [   19.956407][  T322] ------------[ cut here ]------------
| [ 19.956719][ T322] WARNING: CPU: 1 PID: 322 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) 
| [   19.957558][  T322] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.958560][  T322] Tainted: [W]=WARN
[   19.958776][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.959117][ T322] 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) 
[ 19.959410][ T322] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   19.960420][  T322] RSP: 0018:ffffc90000c07140 EFLAGS: 00010246
[   19.960786][  T322] RAX: 0000000000000000 RBX: ffff8880025d2000 RCX: 0000000000000001
[   19.961216][  T322] RDX: 0000000000000000 RSI: ffffffff91e9b939 RDI: ffffffff916555e0
[   19.961638][  T322] RBP: ffffc90000c07230 R08: ffff88800a3a5000 R09: 0000000000000000
[   19.962045][  T322] R10: ffffc90000c075c8 R11: ffffffff92c50668 R12: 1ffff92000180e2c
[   19.962479][  T322] R13: 00000000000004ce R14: ffffc90000c07880 R15: ffff888005953be0
[   19.962897][  T322] FS:  00007f1c96f9d800(0000) GS:ffff8880a2337000(0000) knlGS:0000000000000000
[   19.963384][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.963740][  T322] CR2: 00000000004e5360 CR3: 0000000009441005 CR4: 0000000000772ef0
[   19.964166][  T322] PKRU: 55555554
[   19.964481][  T322] Call Trace:
[   19.964690][  T322]  <TASK>
[ 19.964830][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.965137][ T322] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.965435][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.965712][ T322] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.965986][ T322] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.966288][ T322] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.966567][ T322] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.966848][ T322] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.967194][ T322] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.967484][ T322] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.967757][ T322] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.968049][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.968356][ T322] ? __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) 
[ 19.968646][ T322] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.968988][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.969283][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.969568][ T322] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.969850][ T322] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.970134][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.970435][ T322] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.970715][ T322] ? __create_object (mm/kmemleak.c:771) 
[ 19.971105][ T322] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.971391][ T322] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.971663][ T322] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.972001][ T322] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.972301][ T322] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.972616][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.972894][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.973174][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.973458][ T322] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.973727][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.973999][ T322] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.974278][ T322] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.974552][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.974834][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.975111][ T322] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.975391][ T322] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.975669][ T322] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.975951][ T322] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.976240][ T322] ? 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) 
[ 19.976515][ T322] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.976796][ T322] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.977070][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.977358][ T322] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.977633][ T322] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.977907][ T322] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.978186][ T322] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.978471][ T322] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.978749][ T322] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.979101][ T322] ___sys_sendmsg (net/socket.c:2670) 
[ 19.979381][ T322] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.979654][ T322] ? __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) 
[ 19.979993][ T322] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.980289][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.980565][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.980854][ T322] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.981125][ T322] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.981407][ T322] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.981689][ T322] __sys_sendmsg (net/socket.c:2700) 
[ 19.981958][ T322] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.982303][ T322] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.982595][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.982874][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.983167][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.983533][  T322] RIP: 0033:0x7f1c9716a1e7
[ 19.983835][ T322] 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)
[   19.984880][  T322] RSP: 002b:00007ffdd201bed8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.985346][  T322] RAX: ffffffffffffffda RBX: 00007ffdd201c600 RCX: 00007f1c9716a1e7
[   19.985760][  T322] RDX: 0000000000000000 RSI: 00007ffdd201bf40 RDI: 0000000000000005
[   19.986233][  T322] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.986674][  T322] R10: 00007f1c97067ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.987115][  T322] R13: 00000000686e761a R14: 0000000000499600 R15: 0000000000000000
| [   20.107682][  T323] ------------[ cut here ]------------
| [ 20.107994][ T323] WARNING: CPU: 0 PID: 323 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.108561][  T323] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   20.109554][  T323] Tainted: [W]=WARN
[   20.109765][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.110108][ T323] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.110409][ T323] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.111439][  T323] RSP: 0018:ffffc900007d7140 EFLAGS: 00010246
[   20.111789][  T323] RAX: 0000000000000000 RBX: ffff888007e09000 RCX: 0000000000000001
[   20.112224][  T323] RDX: 0000000000000000 RSI: ffffffff91e9b939 RDI: ffffffff916555e0
[   20.112637][  T323] RBP: ffffc900007d7230 R08: ffff8880099a5000 R09: 0000000000000000
[   20.113046][  T323] R10: ffffc900007d75c8 R11: ffffffff92c50668 R12: 1ffff920000fae2c
[   20.113671][  T323] R13: 00000000000005dc R14: ffffc900007d7880 R15: ffff888005952a60
[   20.114087][  T323] FS:  00007f716e794800(0000) GS:ffff8880a22b7000(0000) knlGS:0000000000000000
[   20.114569][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.114913][  T323] CR2: 00000000004e5aa0 CR3: 00000000130d7004 CR4: 0000000000772ef0
[   20.115334][  T323] PKRU: 55555554
[   20.115540][  T323] Call Trace:
[   20.115750][  T323]  <TASK>
[ 20.115888][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.116173][ T323] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.116463][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.116740][ T323] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.117015][ T323] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.117297][ T323] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.117578][ T323] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.117861][ T323] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.118218][ T323] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.118492][ T323] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.118764][ T323] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.119042][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.119326][ T323] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.119600][ T323] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.119943][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.120240][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.120515][ T323] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.120820][ T323] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.121116][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.121401][ T323] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.121675][ T323] ? __create_object (mm/kmemleak.c:771) 
[ 20.121951][ T323] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.122233][ T323] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.122506][ T323] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.122849][ T323] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.123129][ T323] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.123416][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.123691][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.123971][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.124281][ T323] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.124552][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.124831][ T323] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.125105][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.125390][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.125667][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.125945][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.126231][ T323] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.126506][ T323] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.126793][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.127063][ T323] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.127347][ T323] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.127629][ T323] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.127901][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.128179][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.128476][ T323] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.128757][ T323] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.129035][ T323] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.129319][ T323] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.129591][ T323] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.129945][ T323] ___sys_sendmsg (net/socket.c:2670) 
[ 20.130229][ T323] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.130507][ T323] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.130877][ T323] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.131158][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.131448][ T323] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.131727][ T323] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.132000][ T323] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.132298][ T323] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.132589][ T323] __sys_sendmsg (net/socket.c:2700) 
[ 20.132860][ T323] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.133211][ T323] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.133501][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.133787][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.134062][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.134411][  T323] RIP: 0033:0x7f716e9611e7
[ 20.134694][ T323] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.135686][  T323] RSP: 002b:00007ffc6d148d68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.136100][  T323] RAX: ffffffffffffffda RBX: 00007ffc6d149490 RCX: 00007f716e9611e7
[   20.136530][  T323] RDX: 0000000000000000 RSI: 00007ffc6d148dd0 RDI: 0000000000000005
[   20.136939][  T323] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.137361][  T323] R10: 00007f716e85eee8 R11: 0000000000000246 R12: 0000000000000004
[   20.137769][  T323] R13: 00000000686e761a R14: 0000000000499600 R15: 0000000000000000
| [   20.369440][  T327] ------------[ cut here ]------------
| [ 20.369818][ T327] WARNING: CPU: 2 PID: 327 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.372158][  T327] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   20.373361][  T327] Tainted: [W]=WARN
[   20.373589][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.373953][ T327] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.374269][ T327] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.375272][  T327] RSP: 0018:ffffc90000667140 EFLAGS: 00010246
[   20.375635][  T327] RAX: 0000000000000000 RBX: ffff888007e09000 RCX: 0000000000000001
[   20.376065][  T327] RDX: 0000000000000000 RSI: ffffffff91e9b939 RDI: ffffffff916555e0
[   20.376508][  T327] RBP: ffffc90000667230 R08: ffff888002086800 R09: 0000000000000000
[   20.376941][  T327] R10: ffffc900006675c8 R11: ffffffff92c50668 R12: 1ffff920000cce2c
[   20.377379][  T327] R13: 00000000000003e8 R14: ffffc90000667880 R15: ffff888005057be0
[   20.377810][  T327] FS:  00007f4b51428800(0000) GS:ffff8880a23b7000(0000) knlGS:0000000000000000
[   20.378316][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.378678][  T327] CR2: 00000000004e5aa0 CR3: 00000000028ad003 CR4: 0000000000772ef0
[   20.379102][  T327] PKRU: 55555554
[   20.379336][  T327] Call Trace:
[   20.379558][  T327]  <TASK>
[ 20.379712][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.380004][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.380308][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.380608][ T327] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.380906][ T327] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.381194][ T327] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.381504][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.381806][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.382169][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.382474][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.382763][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.383054][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.383360][ T327] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.383658][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.384013][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.384317][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.384610][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.384895][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.385182][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.385484][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.385770][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 20.386068][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.386370][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.386696][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.387057][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.387360][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.387652][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.387936][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.388243][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.388570][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.388861][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.389149][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.389448][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.389735][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.390023][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.390328][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.390621][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.390960][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.391275][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.391558][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.391844][ T327] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.392133][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.392433][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.392752][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.393040][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.393341][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.393633][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.393929][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.394225][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.394591][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 20.394896][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.395183][ T327] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.395549][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.395838][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.396123][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.396427][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.396730][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.397037][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.397362][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 20.397651][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.398006][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.398341][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.398646][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.398930][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.399291][  T327] RIP: 0033:0x7f4b515f51e7
[ 20.399593][ T327] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.400601][  T327] RSP: 002b:00007fff726c43f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.401039][  T327] RAX: ffffffffffffffda RBX: 00007fff726c4b20 RCX: 00007f4b515f51e7
[   20.401477][  T327] RDX: 0000000000000000 RSI: 00007fff726c4460 RDI: 0000000000000005
[   20.401896][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.402343][  T327] R10: 00007f4b514f2ee8 R11: 0000000000000246 R12: 0000000000000004
[   20.402762][  T327] R13: 00000000686e761b R14: 0000000000499600 R15: 0000000000000000
| [   36.385791][  T456] ------------[ cut here ]------------
| [ 36.386102][ T456] WARNING: CPU: 0 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) 
| [   36.387592][  T456] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   36.388785][  T456] Tainted: [W]=WARN
[   36.388996][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.389344][ 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) 
[ 36.389631][ T456] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 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 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   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 fa 61 7b 00       	call   0x7b621b
  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
[   36.390616][  T456] RSP: 0018:ffffc90000ab7140 EFLAGS: 00010246
[   36.390980][  T456] RAX: 0000000000000000 RBX: ffff888007e09000 RCX: 0000000000000001
[   36.391402][  T456] RDX: 0000000000000000 RSI: ffffffff91e9b939 RDI: ffffffff916555e0
[   36.391817][  T456] RBP: ffffc90000ab7230 R08: ffff8880095d0800 R09: 0000000000000000
[   36.392260][  T456] R10: ffffc90000ab75c8 R11: ffffffff92c50668 R12: 1ffff92000156e2c
[   36.392671][  T456] R13: 00000000000005dc R14: ffffc90000ab7880 R15: ffff888012631560
[   36.393085][  T456] FS:  00007f8204b5e800(0000) GS:ffff8880a22b7000(0000) knlGS:0000000000000000
[   36.393571][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.393920][  T456] CR2: 00000000004e5aa0 CR3: 0000000005244005 CR4: 0000000000772ef0
[   36.394345][  T456] PKRU: 55555554
[   36.394554][  T456] Call Trace:
[   36.394761][  T456]  <TASK>
[ 36.394901][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.395181][ T456] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.395464][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.395752][ T456] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.396026][ T456] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.396308][ T456] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.396586][ T456] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.396865][ T456] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.397221][ T456] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.397496][ T456] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.397768][ T456] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.398044][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.398329][ 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) 
[ 36.398602][ T456] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.398942][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.399224][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.399502][ T456] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.399775][ T456] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.400048][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.400331][ T456] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.400604][ T456] ? __create_object (mm/kmemleak.c:771) 
[ 36.400898][ T456] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.401175][ T456] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.401463][ T456] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.401822][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.402104][ T456] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.402441][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.402716][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.403007][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.403291][ T456] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.403570][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.403847][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.404136][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.404422][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.404703][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.404981][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.405275][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.405560][ T456] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.405849][ T456] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.406129][ 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) 
[ 36.406420][ T456] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 36.406709][ T456] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.406981][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.407269][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.407547][ T456] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.407819][ T456] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.408106][ T456] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.408392][ T456] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.408664][ T456] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.409012][ T456] ___sys_sendmsg (net/socket.c:2670) 
[ 36.409290][ T456] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.409563][ 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) 
[ 36.409903][ T456] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.410182][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.410471][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.410751][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.411037][ 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) 
[ 36.411328][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.411620][ T456] __sys_sendmsg (net/socket.c:2700) 
[ 36.411898][ T456] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.412262][ T456] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.412549][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.412822][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.413110][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.413468][  T456] RIP: 0033:0x7f8204d2b1e7
[ 36.413760][ 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)
[   36.414761][  T456] RSP: 002b:00007ffe860d3dd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.415175][  T456] RAX: ffffffffffffffda RBX: 00007ffe860d4500 RCX: 00007f8204d2b1e7
[   36.415597][  T456] RDX: 0000000000000000 RSI: 00007ffe860d3e40 RDI: 0000000000000005
[   36.416005][  T456] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.416430][  T456] R10: 00007f8204c28ee8 R11: 0000000000000246 R12: 0000000000000004


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