======================================
| [   15.446490][  T262] ip (262) used greatest stack depth: 24352 bytes left
| [   18.733603][  T309] ------------[ cut here ]------------
| [ 18.734066][ 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) 
| [   18.734625][  T309] Modules linked in: vrf veth
[   18.735466][  T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.735828][ 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) 
[ 18.736122][ 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
[   18.737140][  T309] RSP: 0018:ffffc90000567140 EFLAGS: 00010246
[   18.737494][  T309] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   18.737989][  T309] RDX: 0000000000000000 RSI: ffffffffbce9b941 RDI: ffffffffbc6555e0
[   18.738432][  T309] RBP: ffffc90000567230 R08: ffff888009813800 R09: 0000000000000000
[   18.738881][  T309] R10: ffffc900005675c8 R11: ffffffffbdc50668 R12: 1ffff920000ace2c
[   18.739325][  T309] R13: 00000000000005dc R14: ffffc90000567880 R15: ffff8880051c5fe0
[   18.739920][  T309] FS:  00007f6e1ac99800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   18.740444][  T309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.741013][  T309] CR2: 00000000004e5aa0 CR3: 000000000aec9006 CR4: 0000000000772ef0
[   18.741465][  T309] PKRU: 55555554
[   18.741692][  T309] Call Trace:
[   18.741927][  T309]  <TASK>
[ 18.742081][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.742443][ T309] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.742744][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.743235][ T309] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.743530][ T309] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.743841][ T309] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.744138][ T309] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.744439][ T309] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.744825][ T309] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.745122][ T309] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.745409][ T309] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.745721][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.746019][ 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) 
[ 18.746315][ T309] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.746679][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.746990][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.747282][ T309] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.747575][ T309] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.747883][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.748179][ T309] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.748470][ T309] ? __create_object (mm/kmemleak.c:771) 
[ 18.748799][ T309] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.749096][ T309] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.749390][ T309] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.749769][ T309] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.750067][ T309] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.750367][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.750658][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.750969][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.751260][ T309] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.751548][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.751854][ T309] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.752147][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.752483][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.752796][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.753092][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.753387][ T309] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.753681][ T309] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.753997][ T309] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.754287][ 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) 
[ 18.754581][ T309] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.754889][ T309] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.755182][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.755480][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.755791][ T309] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.756086][ T309] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.756386][ T309] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.756681][ T309] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.756991][ T309] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.757376][ T309] ___sys_sendmsg (net/socket.c:2670) 
[ 18.757671][ T309] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.757978][ 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) 
[ 18.758353][ T309] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.758654][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.758969][ T309] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.759269][ T309] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.759562][ 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) 
[ 18.759898][ T309] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.760209][ T309] __sys_sendmsg (net/socket.c:2700) 
[ 18.760500][ T309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.760888][ T309] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.761193][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.761488][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.761792][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.762156][  T309] RIP: 0033:0x7f6e1ae661e7
[ 18.762488][ 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)
[   18.763550][  T309] RSP: 002b:00007ffd1c6a7598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.764017][  T309] RAX: ffffffffffffffda RBX: 00007ffd1c6a7cc0 RCX: 00007f6e1ae661e7
[   18.764469][  T309] RDX: 0000000000000000 RSI: 00007ffd1c6a7600 RDI: 0000000000000005
[   18.764924][  T309] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.765370][  T309] R10: 00007f6e1ad63ee8 R11: 0000000000000246 R12: 0000000000000004
[   18.765829][  T309] R13: 00000000686e22bf R14: 0000000000499600 R15: 0000000000000000
| [   19.784588][  T320] ------------[ cut here ]------------
| [ 19.785117][ T320] WARNING: CPU: 2 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) 
| [   19.786420][  T320] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.788215][  T320] Tainted: [W]=WARN
[   19.788614][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.789267][ 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) 
[ 19.789816][ 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
[   19.791609][  T320] RSP: 0018:ffffc90000567140 EFLAGS: 00010246
[   19.792274][  T320] RAX: 0000000000000000 RBX: ffff88800ba5a000 RCX: 0000000000000001
[   19.793021][  T320] RDX: 0000000000000000 RSI: ffffffffbce9b941 RDI: ffffffffbc6555e0
[   19.793682][  T320] RBP: ffffc90000567230 R08: ffff888004e85000 R09: 0000000000000000
[   19.794211][  T320] R10: ffffc900005675c8 R11: ffffffffbdc50668 R12: 1ffff920000ace2c
[   19.794636][  T320] R13: 00000000000004ce R14: ffffc90000567880 R15: ffff888008bcdc60
[   19.795095][  T320] FS:  00007fb71affa800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   19.795685][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.796136][  T320] CR2: 00000000004e5360 CR3: 000000000e780002 CR4: 0000000000772ef0
[   19.796623][  T320] PKRU: 55555554
[   19.796933][  T320] Call Trace:
[   19.797257][  T320]  <TASK>
[ 19.797415][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.797731][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.798024][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.798314][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.798603][ T320] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.798918][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.799213][ T320] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.799515][ T320] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.799899][ T320] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.800186][ T320] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.800472][ T320] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.800786][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.801077][ 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) 
[ 19.801437][ T320] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.801918][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.802348][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.802636][ T320] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.803046][ T320] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.803339][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.803628][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.803946][ T320] ? __create_object (mm/kmemleak.c:771) 
[ 19.804250][ T320] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.804628][ T320] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.804951][ T320] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.805325][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.805719][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.806115][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.806403][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.806785][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.807134][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.807459][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.807785][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.808123][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.808425][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.808758][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.809188][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.809538][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.810010][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.810368][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.810742][ 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) 
[ 19.811035][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.811325][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.811662][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.812067][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.812456][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.812827][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.813186][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.813599][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.814051][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.814692][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 19.815214][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.815776][ 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) 
[ 19.816393][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.816922][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.817427][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.817965][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.818323][ 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) 
[ 19.818617][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.818939][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 19.819225][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.819573][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.819916][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.820245][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.820536][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.820987][  T320] RIP: 0033:0x7fb71b1c71e7
[ 19.821369][ 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)
[   19.822762][  T320] RSP: 002b:00007ffdc74791f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.823256][  T320] RAX: ffffffffffffffda RBX: 00007ffdc7479920 RCX: 00007fb71b1c71e7
[   19.823757][  T320] RDX: 0000000000000000 RSI: 00007ffdc7479260 RDI: 0000000000000005
[   19.824223][  T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.824646][  T320] R10: 00007fb71b0c4ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.825166][  T320] R13: 00000000686e22c0 R14: 0000000000499600 R15: 0000000000000000
| [   19.962973][  T321] ------------[ cut here ]------------
| [ 19.963279][ T321] WARNING: CPU: 3 PID: 321 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) 
| [   19.964082][  T321] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.965105][  T321] Tainted: [W]=WARN
[   19.965313][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.965661][ T321] 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) 
[ 19.965954][ T321] 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
[   19.966936][  T321] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   19.967282][  T321] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   19.967692][  T321] RDX: 0000000000000000 RSI: ffffffffbce9b941 RDI: ffffffffbc6555e0
[   19.968107][  T321] RBP: ffffc90000587230 R08: ffff888004d5b800 R09: 0000000000000000
[   19.968545][  T321] R10: ffffc900005875c8 R11: ffffffffbdc50668 R12: 1ffff920000b0e2c
[   19.968967][  T321] R13: 00000000000005dc R14: ffffc90000587880 R15: ffff88800a172a60
[   19.969379][  T321] FS:  00007f12139cc800(0000) GS:ffff888077437000(0000) knlGS:0000000000000000
[   19.969862][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.970205][  T321] CR2: 00000000004e5aa0 CR3: 00000000051db005 CR4: 0000000000772ef0
[   19.970616][  T321] PKRU: 55555554
[   19.970836][  T321] Call Trace:
[   19.971046][  T321]  <TASK>
[ 19.971185][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.971465][ T321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.971746][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.972025][ T321] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.972318][ T321] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.972623][ T321] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.972912][ T321] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.973199][ T321] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.973545][ T321] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.973826][ T321] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.974099][ T321] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.974373][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.974650][ T321] ? __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) 
[ 19.974937][ T321] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.975277][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.975552][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.975831][ T321] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.976103][ T321] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.976379][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.976682][ T321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.976960][ T321] ? __create_object (mm/kmemleak.c:771) 
[ 19.977243][ T321] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.977517][ T321] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.977812][ T321] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.978151][ T321] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.978430][ T321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.978716][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.978988][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.979266][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.979546][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.979825][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.980100][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.980373][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.980677][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.980964][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.981244][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.981527][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.981851][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.982136][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.982424][ T321] ? 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) 
[ 19.982708][ T321] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.982986][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.983259][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.983544][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.983831][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.984105][ T321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.984395][ T321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.984713][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.984988][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.985340][ T321] ___sys_sendmsg (net/socket.c:2670) 
[ 19.985631][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.985920][ T321] ? __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) 
[ 19.986267][ T321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.986554][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.986844][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.987129][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.987411][ T321] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.987716][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.988016][ T321] __sys_sendmsg (net/socket.c:2700) 
[ 19.988293][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.988661][ T321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.988957][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.989240][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.989527][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.989886][  T321] RIP: 0033:0x7f1213b991e7
[ 19.990182][ T321] 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)
[   19.991172][  T321] RSP: 002b:00007ffc2600d9d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.991601][  T321] RAX: ffffffffffffffda RBX: 00007ffc2600e100 RCX: 00007f1213b991e7
[   19.992060][  T321] RDX: 0000000000000000 RSI: 00007ffc2600da40 RDI: 0000000000000005
[   19.992528][  T321] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.992951][  T321] R10: 00007f1213a96ee8 R11: 0000000000000246 R12: 0000000000000004
[   19.993361][  T321] R13: 00000000686e22c0 R14: 0000000000499600 R15: 0000000000000000
| [   20.305931][  T325] ------------[ cut here ]------------
| [ 20.306271][ T325] WARNING: CPU: 0 PID: 325 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) 
| [   20.307042][  T325] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   20.308323][  T325] Tainted: [W]=WARN
[   20.308558][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.309132][ T325] 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) 
[ 20.309441][ T325] 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
[   20.310672][  T325] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   20.311216][  T325] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   20.311667][  T325] RDX: 0000000000000000 RSI: ffffffffbce9b941 RDI: ffffffffbc6555e0
[   20.312165][  T325] RBP: ffffc900005c7230 R08: ffff88800b962000 R09: 0000000000000000
[   20.312624][  T325] R10: ffffc900005c75c8 R11: ffffffffbdc50668 R12: 1ffff920000b8e2c
[   20.313097][  T325] R13: 00000000000003e8 R14: ffffc900005c7880 R15: ffff88800a171c60
[   20.313546][  T325] FS:  00007f0c24894800(0000) GS:ffff8880772b7000(0000) knlGS:0000000000000000
[   20.314074][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.314452][  T325] CR2: 00000000004e5aa0 CR3: 00000000051fe002 CR4: 0000000000772ef0
[   20.314907][  T325] PKRU: 55555554
[   20.315134][  T325] Call Trace:
[   20.315350][  T325]  <TASK>
[ 20.315510][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.315828][ T325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.316133][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.316438][ T325] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.316754][ T325] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.317066][ T325] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.317368][ T325] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.317670][ T325] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.318061][ T325] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.318352][ T325] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.318655][ T325] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.318960][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.319253][ T325] ? __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) 
[ 20.319553][ T325] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.319928][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.320251][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.320549][ T325] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.320858][ T325] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.321167][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.321461][ T325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.321767][ T325] ? __create_object (mm/kmemleak.c:771) 
[ 20.322072][ T325] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.322380][ T325] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.322716][ T325] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.323091][ T325] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.323401][ T325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.323731][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.324053][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.324366][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.324680][ T325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.325000][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.325321][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.325611][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.325925][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.326225][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.326540][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.326854][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.327175][ T325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.327494][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.327809][ T325] ? 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) 
[ 20.328116][ T325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.328422][ T325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.328756][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.329068][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.329375][ T325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.329692][ T325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.330017][ T325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.330331][ T325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.330632][ T325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.331045][ T325] ___sys_sendmsg (net/socket.c:2670) 
[ 20.331349][ T325] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.331658][ T325] ? __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) 
[ 20.332052][ T325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.332374][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.332683][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.333017][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.333318][ T325] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.333624][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.333949][ T325] __sys_sendmsg (net/socket.c:2700) 
[ 20.334256][ T325] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.334636][ T325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.334962][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.335270][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.335585][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.335964][  T325] RIP: 0033:0x7f0c24a611e7
[ 20.336275][ T325] 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)
[   20.337368][  T325] RSP: 002b:00007ffd69afe688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.337819][  T325] RAX: ffffffffffffffda RBX: 00007ffd69afedb0 RCX: 00007f0c24a611e7
[   20.338251][  T325] RDX: 0000000000000000 RSI: 00007ffd69afe6f0 RDI: 0000000000000005
[   20.338690][  T325] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.339130][  T325] R10: 00007f0c2495eee8 R11: 0000000000000246 R12: 0000000000000004
[   20.339564][  T325] R13: 00000000686e22c0 R14: 0000000000499600 R15: 0000000000000000
| [   36.481076][  T454] ------------[ cut here ]------------
| [ 36.481420][ T454] WARNING: CPU: 2 PID: 454 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) 
| [   36.482000][  T454] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   36.483240][  T454] Tainted: [W]=WARN
[   36.483467][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.483831][ T454] 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) 
[ 36.484130][ T454] 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
[   36.485397][  T454] RSP: 0018:ffffc90000597140 EFLAGS: 00010246
[   36.485771][  T454] RAX: 0000000000000000 RBX: ffff88800226c000 RCX: 0000000000000001
[   36.486200][  T454] RDX: 0000000000000000 RSI: ffffffffbce9b941 RDI: ffffffffbc6555e0
[   36.486628][  T454] RBP: ffffc90000597230 R08: ffff888004d6e800 R09: 0000000000000000
[   36.487060][  T454] R10: ffffc900005975c8 R11: ffffffffbdc50668 R12: 1ffff920000b2e2c
[   36.487482][  T454] R13: 00000000000005dc R14: ffffc90000597880 R15: ffff888008f82a60
[   36.487936][  T454] FS:  00007fa5578ac800(0000) GS:ffff8880773b7000(0000) knlGS:0000000000000000
[   36.488458][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.488857][  T454] CR2: 00000000004e5aa0 CR3: 000000000c7dc004 CR4: 0000000000772ef0
[   36.489285][  T454] PKRU: 55555554
[   36.489503][  T454] Call Trace:
[   36.489730][  T454]  <TASK>
[ 36.489884][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.490192][ T454] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.490483][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.490784][ T454] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 36.491076][ T454] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 36.491369][ T454] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 36.491682][ T454] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 36.491990][ T454] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.492379][ T454] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.492670][ T454] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.492968][ T454] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.493256][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.493550][ T454] ? __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) 
[ 36.493863][ T454] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.494224][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.494517][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.494833][ T454] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.495120][ T454] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.495419][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.495720][ T454] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.496008][ T454] ? __create_object (mm/kmemleak.c:771) 
[ 36.496302][ T454] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.496599][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.496895][ T454] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.497245][ T454] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.497536][ T454] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.497835][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.498122][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.498411][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.498707][ T454] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.498998][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.499287][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.499570][ T454] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.499868][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.500157][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.500449][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.500742][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.501036][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.501333][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.501618][ T454] ? 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) 
[ 36.501913][ T454] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.502200][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.502495][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.502796][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.503092][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.503379][ T454] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.503672][ T454] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.503978][ T454] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.504263][ T454] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.504628][ T454] ___sys_sendmsg (net/socket.c:2670) 
[ 36.504920][ T454] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.505212][ T454] ? __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) 
[ 36.505569][ T454] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.505867][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.506154][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.506461][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.506764][ T454] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.507053][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.507353][ T454] __sys_sendmsg (net/socket.c:2700) 
[ 36.507638][ T454] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.508030][ T454] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.508328][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.508613][ T454] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.508944][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.509297][  T454] RIP: 0033:0x7fa557a791e7
[ 36.509598][ T454] 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)
[   36.510601][  T454] RSP: 002b:00007ffdb93615f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.511038][  T454] RAX: ffffffffffffffda RBX: 00007ffdb9361d20 RCX: 00007fa557a791e7
[   36.511464][  T454] RDX: 0000000000000000 RSI: 00007ffdb9361660 RDI: 0000000000000005
[   36.511898][  T454] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   36.512332][  T454] R10: 00007fa557976ee8 R11: 0000000000000246 R12: 0000000000000004


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