======================================
| 0
| xx__-> [   18.893863][  T310] ------------[ cut here ]------------
| [ 18.894394][ T310] WARNING: CPU: 1 PID: 310 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) 
| [   18.895133][  T310] Modules linked in: vrf veth
[   18.896189][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.896706][ T310] 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) 
[ 18.897115][ T310] 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
[   18.899769][  T310] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   18.900248][  T310] RAX: 0000000000000000 RBX: ffff88800913c000 RCX: 0000000000000001
[   18.900951][  T310] RDX: 0000000000000000 RSI: ffffffffb449b941 RDI: ffffffffb3c555e0
[   18.901480][  T310] RBP: ffffc900005a7230 R08: ffff888004e80800 R09: 0000000000000000
[   18.902040][  T310] R10: ffffc900005a75c8 R11: ffffffffb5250668 R12: 1ffff920000b4e2c
[   18.902589][  T310] R13: 00000000000005dc R14: ffffc900005a7880 R15: ffff8880095a2a60
[   18.903129][  T310] FS:  00007fa91e3be800(0000) GS:ffff88807fd37000(0000) knlGS:0000000000000000
[   18.903658][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.904077][  T310] CR2: 00000000004e5aa0 CR3: 000000000c29e004 CR4: 0000000000772ef0
[   18.904613][  T310] PKRU: 55555554
[   18.904945][  T310] Call Trace:
[   18.905177][  T310]  <TASK>
[ 18.905331][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.905722][ T310] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.906034][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.906420][ T310] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.906781][ T310] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.907088][ T310] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.907867][ T310] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.908191][ T310] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.908581][ T310] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.908922][ T310] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.909279][ T310] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.909677][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.909991][ T310] ? __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) 
[ 18.910369][ T310] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.910845][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.911142][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.911464][ T310] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.911819][ T310] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.912124][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.912511][ T310] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.912843][ T310] ? __create_object (mm/kmemleak.c:771) 
[ 18.913143][ T310] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.913520][ T310] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.913845][ T310] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.914262][ T310] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.914635][ T310] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.915164][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.915508][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.915823][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.916120][ T310] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.916410][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.916721][ T310] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.917056][ T310] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.917351][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.917660][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.917969][ T310] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.918263][ T310] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.918571][ T310] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.918886][ T310] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.919179][ T310] ? 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) 
[ 18.919505][ T310] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.919816][ T310] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.920107][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.920404][ T310] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.920710][ T310] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.921028][ T310] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.921337][ T310] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.921650][ T310] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.921952][ T310] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.922327][ T310] ___sys_sendmsg (net/socket.c:2670) 
[ 18.922733][ T310] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.923256][ T310] ? __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) 
[ 18.923648][ T310] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.923964][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.924263][ T310] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.924570][ T310] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.924883][ T310] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 18.925175][ T310] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.925471][ T310] __sys_sendmsg (net/socket.c:2700) 
[ 18.925783][ T310] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.926143][ T310] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.926445][ T310] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.926771][ T310] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.927066][ T310] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.927425][  T310] RIP: 0033:0x7fa91e58b1e7
[ 18.927738][ T310] 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)
[   18.928823][  T310] RSP: 002b:00007ffdf466ca68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.929270][  T310] RAX: ffffffffffffffda RBX: 00007ffdf466d190 RCX: 00007fa91e58b1e7
[   18.929726][  T310] RDX: 0000000000000000 RSI: 00007ffdf466cad0 RDI: 0000000000000005
[   18.930180][  T310] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.930629][  T310] R10: 00007fa91e488ee8 R11: 0000000000000246 R12: 0000000000000004
[   18.931078][  T310] R13: 00000000686e4c39 R14: 0000000000499600 R15: 0000000000000000
| [   19.948725][  T320] ------------[ cut here ]------------
| [ 19.949133][ 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) 
| [   19.949774][  T320] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   19.951327][  T320] Tainted: [W]=WARN
[   19.951565][  T320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.951949][ 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) 
[ 19.952271][ 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
[   19.953344][  T320] RSP: 0018:ffffc900005e7140 EFLAGS: 00010246
[   19.953727][  T320] RAX: 0000000000000000 RBX: ffff888005192000 RCX: 0000000000000001
[   19.954182][  T320] RDX: 0000000000000000 RSI: ffffffffb449b941 RDI: ffffffffb3c555e0
[   19.954631][  T320] RBP: ffffc900005e7230 R08: ffff8880050fd000 R09: 0000000000000000
[   19.955083][  T320] R10: ffffc900005e75c8 R11: ffffffffb5250668 R12: 1ffff920000bce2c
[   19.955522][  T320] R13: 00000000000004ce R14: ffffc900005e7880 R15: ffff88800b75a360
[   19.955979][  T320] FS:  00007f2cc4471800(0000) GS:ffff88807fdb7000(0000) knlGS:0000000000000000
[   19.956495][  T320] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.956880][  T320] CR2: 00000000004e5360 CR3: 000000000a8c2003 CR4: 0000000000772ef0
[   19.957321][  T320] PKRU: 55555554
[   19.957551][  T320] Call Trace:
[   19.957800][  T320]  <TASK>
[ 19.957960][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.958277][ T320] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.958577][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.958899][ T320] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.959189][ T320] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.959527][ T320] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.959867][ T320] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.960191][ T320] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.960591][ T320] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.960918][ T320] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.961233][ T320] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.961530][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.961869][ 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) 
[ 19.962164][ T320] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.962540][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.962872][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.963185][ T320] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.963477][ T320] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.963807][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.964103][ T320] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.964392][ T320] ? __create_object (mm/kmemleak.c:771) 
[ 19.964702][ T320] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.965039][ T320] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.965330][ T320] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.965716][ T320] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.966038][ T320] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.966348][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.966634][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.966971][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.967275][ T320] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.967594][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.967931][ T320] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.968221][ T320] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.968525][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.968854][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.969160][ T320] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.969467][ T320] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.969779][ T320] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.970097][ T320] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.970400][ 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) 
[ 19.970724][ T320] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 19.971054][ T320] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.971343][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.971639][ T320] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.971955][ T320] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.972250][ T320] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.972548][ T320] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.972857][ T320] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.973143][ T320] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.973508][ T320] ___sys_sendmsg (net/socket.c:2670) 
[ 19.973811][ T320] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.974107][ 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) 
[ 19.974463][ T320] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.974780][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.975093][ T320] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.975403][ T320] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.975694][ 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) 
[ 19.975995][ T320] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.976291][ T320] __sys_sendmsg (net/socket.c:2700) 
[ 19.976606][ T320] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.976990][ T320] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.977310][ T320] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.977605][ T320] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.977909][ T320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.978275][  T320] RIP: 0033:0x7f2cc463e1e7
[ 19.978576][ 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)
[   19.979607][  T320] RSP: 002b:00007ffe081e82a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.980048][  T320] RAX: ffffffffffffffda RBX: 00007ffe081e89d0 RCX: 00007f2cc463e1e7
[   19.980504][  T320] RDX: 0000000000000000 RSI: 00007ffe081e8310 RDI: 0000000000000005
[   19.980962][  T320] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.981395][  T320] R10: 00007f2cc453bee8 R11: 0000000000000246 R12: 0000000000000004
[   19.981843][  T320] R13: 00000000686e4c3a R14: 0000000000499600 R15: 0000000000000000
| [   20.107597][  T321] ------------[ cut here ]------------
| [ 20.107948][ 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) 
| [   20.108535][  T321] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   20.109609][  T321] Tainted: [W]=WARN
[   20.109846][  T321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.110211][ 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) 
[ 20.110516][ 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
[   20.111562][  T321] RSP: 0018:ffffc90000587140 EFLAGS: 00010246
[   20.111930][  T321] RAX: 0000000000000000 RBX: ffff88800913c000 RCX: 0000000000000001
[   20.112369][  T321] RDX: 0000000000000000 RSI: ffffffffb449b941 RDI: ffffffffb3c555e0
[   20.112808][  T321] RBP: ffffc90000587230 R08: ffff88800e135000 R09: 0000000000000000
[   20.113233][  T321] R10: ffffc900005875c8 R11: ffffffffb5250668 R12: 1ffff920000b0e2c
[   20.113659][  T321] R13: 00000000000005dc R14: ffffc90000587880 R15: ffff88800b758760
[   20.114241][  T321] FS:  00007fe8dc718800(0000) GS:ffff88807fe37000(0000) knlGS:0000000000000000
[   20.114896][  T321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.115265][  T321] CR2: 00000000004e5aa0 CR3: 000000000bb87003 CR4: 0000000000772ef0
[   20.115705][  T321] PKRU: 55555554
[   20.116105][  T321] Call Trace:
[   20.116337][  T321]  <TASK>
[ 20.116480][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.116892][ T321] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.117172][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.117465][ T321] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.117763][ T321] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.118049][ T321] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.118349][ T321] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.118636][ T321] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.119001][ T321] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.119296][ T321] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.119593][ T321] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.119891][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.120173][ 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) 
[ 20.120472][ T321] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.120836][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.121114][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.121404][ T321] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.121691][ T321] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.121979][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.122268][ T321] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.122559][ T321] ? __create_object (mm/kmemleak.c:771) 
[ 20.122847][ T321] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.123129][ T321] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.123422][ T321] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.123777][ T321] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.124060][ T321] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.124352][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.124650][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.124941][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.125217][ T321] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.125509][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.125817][ T321] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.126094][ T321] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.126378][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.126684][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.126984][ T321] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.127265][ T321] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.127565][ T321] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.127859][ T321] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.128140][ 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) 
[ 20.128423][ T321] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.128729][ T321] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.129014][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.129292][ T321] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.129607][ T321] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.129911][ T321] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.130196][ T321] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.130490][ T321] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.130787][ T321] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.131156][ T321] ___sys_sendmsg (net/socket.c:2670) 
[ 20.131443][ T321] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.131740][ 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) 
[ 20.132110][ T321] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.132390][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.132700][ T321] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.133008][ T321] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.133292][ 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) 
[ 20.133593][ T321] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.133893][ T321] __sys_sendmsg (net/socket.c:2700) 
[ 20.134177][ T321] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.134517][ T321] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.134841][ T321] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.135125][ T321] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.135413][ T321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.135776][  T321] RIP: 0033:0x7fe8dc8e51e7
[ 20.136061][ 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)
[   20.137070][  T321] RSP: 002b:00007ffe266a5768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.137497][  T321] RAX: ffffffffffffffda RBX: 00007ffe266a5e90 RCX: 00007fe8dc8e51e7
[   20.137940][  T321] RDX: 0000000000000000 RSI: 00007ffe266a57d0 RDI: 0000000000000005
[   20.138352][  T321] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.138785][  T321] R10: 00007fe8dc7e2ee8 R11: 0000000000000246 R12: 0000000000000004
[   20.139203][  T321] R13: 00000000686e4c3a R14: 0000000000499600 R15: 0000000000000000
| [   20.395663][  T325] ------------[ cut here ]------------
| [ 20.397399][ T325] WARNING: CPU: 1 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) 
| [   20.398126][  T325] Modules linked in: sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   20.399224][  T325] Tainted: [W]=WARN
[   20.399458][  T325] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.399836][ 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) 
[ 20.400137][ 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
[   20.401187][  T325] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   20.401569][  T325] RAX: 0000000000000000 RBX: ffff88800913c000 RCX: 0000000000000001
[   20.402016][  T325] RDX: 0000000000000000 RSI: ffffffffb449b941 RDI: ffffffffb3c555e0
[   20.402455][  T325] RBP: ffffc90000a47230 R08: ffff88800ab36800 R09: 0000000000000000
[   20.402914][  T325] R10: ffffc90000a475c8 R11: ffffffffb5250668 R12: 1ffff92000148e2c
[   20.403358][  T325] R13: 00000000000003e8 R14: ffffc90000a47880 R15: ffff88800b75ade0
[   20.403809][  T325] FS:  00007fda63a24800(0000) GS:ffff88807fd37000(0000) knlGS:0000000000000000
[   20.404344][  T325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.404720][  T325] CR2: 00000000004e5aa0 CR3: 000000000a8c2006 CR4: 0000000000772ef0
[   20.405173][  T325] PKRU: 55555554
[   20.405401][  T325] Call Trace:
[   20.405620][  T325]  <TASK>
[ 20.405779][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.406082][ T325] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.406375][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.406671][ T325] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.406976][ T325] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.407275][ T325] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.407575][ T325] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.407886][ T325] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.408259][ T325] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.408555][ T325] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.408855][ T325] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.409153][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.409459][ 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) 
[ 20.409764][ T325] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.410129][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.410429][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.410720][ T325] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.411023][ T325] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.411321][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.411612][ T325] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.411913][ T325] ? __create_object (mm/kmemleak.c:771) 
[ 20.412215][ T325] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.412510][ T325] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.412810][ T325] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.413185][ T325] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.413484][ T325] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.413791][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.414085][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.414383][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.414676][ T325] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.414979][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.415278][ T325] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.415576][ T325] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.415880][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.416176][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.416473][ T325] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.416780][ T325] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.417077][ T325] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.417383][ T325] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.417685][ 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) 
[ 20.417999][ T325] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.418297][ T325] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.418588][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.418911][ T325] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.419209][ T325] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.419519][ T325] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.419828][ T325] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.420130][ T325] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.420422][ T325] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.420814][ T325] ___sys_sendmsg (net/socket.c:2670) 
[ 20.421117][ T325] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.421422][ 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) 
[ 20.421799][ T325] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.422098][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.422398][ T325] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.422698][ T325] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.423000][ 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) 
[ 20.423294][ T325] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.423594][ T325] __sys_sendmsg (net/socket.c:2700) 
[ 20.423899][ T325] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.424267][ T325] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.424577][ T325] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.424895][ T325] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.425197][ T325] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.425590][  T325] RIP: 0033:0x7fda63bf11e7
[ 20.425911][ 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)
[   20.426950][  T325] RSP: 002b:00007ffd263dbb38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.427387][  T325] RAX: ffffffffffffffda RBX: 00007ffd263dc260 RCX: 00007fda63bf11e7
[   20.427919][  T325] RDX: 0000000000000000 RSI: 00007ffd263dbba0 RDI: 0000000000000005
[   20.428337][  T325] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.428743][  T325] R10: 00007fda63aeeee8 R11: 0000000000000246 R12: 0000000000000004
[   20.429169][  T325] R13: 00000000686e4c3b R14: 0000000000499600 R15: 0000000000000000
| [   37.157981][  T456] ------------[ cut here ]------------
| [ 37.158600][ T456] WARNING: CPU: 3 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) 
| [   37.161198][  T456] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
| [   37.164267][  T456] Tainted: [W]=WARN
[   37.164624][  T456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.165454][ 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) 
[ 37.166243][ T456] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.168124][  T456] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   37.168735][  T456] RAX: 0000000000000000 RBX: ffff88800913c000 RCX: 0000000000000001
[   37.169527][  T456] RDX: 0000000000000000 RSI: ffffffffb449b941 RDI: ffffffffb3c555e0
[   37.170311][  T456] RBP: ffffc90000947230 R08: ffff888009292000 R09: 0000000000000000
[   37.171097][  T456] R10: ffffc900009475c8 R11: ffffffffb5250668 R12: 1ffff92000128e2c
[   37.171889][  T456] R13: 00000000000005dc R14: ffffc90000947880 R15: ffff88800a8b51e0
[   37.172645][  T456] FS:  00007f847d7a1800(0000) GS:ffff88807fe37000(0000) knlGS:0000000000000000
[   37.173577][  T456] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.174241][  T456] CR2: 00000000004e5aa0 CR3: 0000000004c93006 CR4: 0000000000772ef0
[   37.175019][  T456] PKRU: 55555554
[   37.175398][  T456] Call Trace:
[   37.175798][  T456]  <TASK>
[ 37.176022][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.176342][ T456] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.176682][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.177008][ T456] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 37.177309][ T456] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 37.177665][ T456] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 37.178203][ T456] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 37.178528][ T456] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.178939][ T456] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.179241][ T456] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.179559][ T456] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.179881][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.180180][ 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) 
[ 37.180483][ T456] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.180973][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.181334][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.181665][ T456] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.182051][ T456] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.182425][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.182867][ T456] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.183381][ T456] ? __create_object (mm/kmemleak.c:771) 
[ 37.183934][ T456] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.184453][ T456] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.184987][ T456] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.185474][ T456] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.185835][ T456] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.186140][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.186437][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.186790][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.187104][ T456] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.187395][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.187811][ T456] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.188107][ T456] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.188404][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.188720][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.189040][ T456] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.189355][ T456] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.189673][ T456] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.189998][ T456] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.190294][ 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) 
[ 37.190694][ T456] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.191021][ T456] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.191318][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.191685][ T456] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.192072][ T456] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.192383][ T456] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.192725][ T456] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.193042][ T456] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.193336][ T456] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.193734][ T456] ___sys_sendmsg (net/socket.c:2670) 
[ 37.194056][ T456] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.194363][ 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) 
[ 37.194785][ T456] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.195088][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.195392][ T456] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.195733][ T456] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.196046][ 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) 
[ 37.196356][ T456] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.196677][ T456] __sys_sendmsg (net/socket.c:2700) 
[ 37.196986][ T456] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.197358][ T456] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.197672][ T456] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.197984][ T456] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.198286][ T456] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.198693][  T456] RIP: 0033:0x7f847d96e1e7
[ 37.199029][ 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)
[   37.200120][  T456] RSP: 002b:00007ffd6b1126b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.200700][  T456] RAX: ffffffffffffffda RBX: 00007ffd6b112de0 RCX: 00007f847d96e1e7
[   37.201283][  T456] RDX: 0000000000000000 RSI: 00007ffd6b112720 RDI: 0000000000000005
[   37.201994][  T456] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   37.202608][  T456] R10: 00007f847d86bee8 R11: 0000000000000246 R12: 0000000000000004


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