======================================
| 0
| xx__-> [   69.801040][  T621] ------------[ cut here ]------------
| [ 69.801484][ T621] WARNING: CPU: 3 PID: 621 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) 
| [   69.802334][  T621] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
[   69.803524][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.803869][ T621] 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) 
[ 69.804166][ T621] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   69.805183][  T621] RSP: 0018:ffffc90000e47140 EFLAGS: 00010246
[   69.805535][  T621] RAX: 0000000000000000 RBX: ffff888008c01000 RCX: 0000000000000001
[   69.805950][  T621] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   69.806379][  T621] RBP: ffffc90000e47228 R08: ffff88800e7a6800 R09: 0000000000000000
[   69.806791][  T621] R10: ffffc90000e475c8 R11: ffffffff96873028 R12: 1ffff920001c8e2c
[   69.807406][  T621] R13: 00000000000005dc R14: ffffc90000e47880 R15: ffff88800b473160
[   69.807824][  T621] FS:  00007fe5f2944800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   69.808457][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.808813][  T621] CR2: 00000000004e5840 CR3: 00000000111f7004 CR4: 0000000000772ef0
[   69.809401][  T621] PKRU: 55555554
[   69.809611][  T621] Call Trace:
[   69.809819][  T621]  <TASK>
[ 69.810026][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.810315][ T621] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 69.810587][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 69.811124][ T621] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 69.811405][ T621] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 69.811680][ T621] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 69.811977][ T621] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 69.812273][ T621] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 69.812624][ T621] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 69.812901][ T621] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 69.813182][ T621] ? __kernel_text_address (kernel/extable.c:79) 
[ 69.813468][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.813745][ T621] ? __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) 
[ 69.814028][ T621] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 69.814372][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.814648][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.814924][ T621] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 69.815208][ T621] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 69.815488][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.815772][ T621] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 69.816054][ T621] ? __create_object (mm/kmemleak.c:771) 
[ 69.816335][ T621] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 69.816610][ T621] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 69.816886][ T621] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 69.817232][ T621] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 69.817518][ T621] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 69.817797][ T621] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 69.818080][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.818377][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.818656][ T621] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 69.818929][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 69.819219][ T621] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 69.819494][ T621] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 69.819774][ T621] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 69.820071][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.820356][ T621] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 69.820631][ T621] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 69.820907][ T621] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 69.821198][ T621] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 69.821475][ T621] ? 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) 
[ 69.821750][ T621] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 69.822042][ T621] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 69.822331][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.822610][ T621] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 69.822887][ T621] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 69.823171][ T621] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 69.823453][ T621] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 69.823728][ T621] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 69.824010][ T621] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 69.824367][ T621] ___sys_sendmsg (net/socket.c:2670) 
[ 69.824640][ T621] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 69.824913][ T621] ? __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) 
[ 69.825267][ T621] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 69.825546][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.825827][ T621] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 69.826118][ T621] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 69.826402][ T621] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 69.826676][ T621] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 69.826970][ T621] __sys_sendmsg (net/socket.c:2700) 
[ 69.827242][ T621] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 69.827579][ T621] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 69.827862][ T621] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 69.828152][ T621] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 69.828436][ T621] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   69.828775][  T621] RIP: 0033:0x7fe5f2b111e7
[ 69.829072][ T621] 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)
[   69.830064][  T621] RSP: 002b:00007ffc8382e618 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   69.830498][  T621] RAX: ffffffffffffffda RBX: 00007ffc8382ed40 RCX: 00007fe5f2b111e7
[   69.830910][  T621] RDX: 0000000000000000 RSI: 00007ffc8382e680 RDI: 0000000000000005
[   69.831328][  T621] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   69.831740][  T621] R10: 00007fe5f2a0eee8 R11: 0000000000000246 R12: 0000000000000004
[   69.832166][  T621] R13: 00000000686e4de4 R14: 0000000000499600 R15: 0000000000000000
| [   70.973686][  T630] ------------[ cut here ]------------
| [ 70.974075][ T630] WARNING: CPU: 0 PID: 630 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) 
| [   70.974617][  T630] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   70.975811][  T630] Tainted: [W]=WARN
[   70.976032][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 70.976380][ T630] 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) 
[ 70.976661][ T630] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   70.977650][  T630] RSP: 0018:ffffc9000104f140 EFLAGS: 00010246
[   70.978008][  T630] RAX: 0000000000000000 RBX: ffff888005249000 RCX: 0000000000000001
[   70.978442][  T630] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   70.978853][  T630] RBP: ffffc9000104f228 R08: ffff8880054ea000 R09: 0000000000000000
[   70.979409][  T630] R10: ffffc9000104f5c8 R11: ffffffff96873028 R12: 1ffff92000209e2c
[   70.979818][  T630] R13: 00000000000005dc R14: ffffc9000104f880 R15: ffff88800a9a3be0
[   70.980239][  T630] FS:  00007f5f7a2e6800(0000) GS:ffff8880d5399000(0000) knlGS:0000000000000000
[   70.980720][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.981077][  T630] CR2: 00000000004e5840 CR3: 0000000004f90001 CR4: 0000000000772ef0
[   70.981492][  T630] PKRU: 55555554
[   70.981698][  T630] Call Trace:
[   70.981902][  T630]  <TASK>
[ 70.982049][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 70.982328][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 70.982599][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 70.982876][ T630] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 70.983170][ T630] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 70.983444][ T630] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 70.983723][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 70.984010][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 70.984361][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 70.984637][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 70.984909][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 70.985200][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 70.985479][ T630] ? __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) 
[ 70.985753][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 70.986104][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 70.986380][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 70.986653][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 70.986926][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 70.987215][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 70.987489][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 70.987770][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 70.988052][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 70.988340][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 70.988616][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 70.988954][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 70.989248][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 70.989534][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 70.989808][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 70.990097][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 70.990374][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 70.990645][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 70.990925][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 70.991209][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 70.991488][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 70.991773][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 70.992059][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 70.992336][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 70.992614][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 70.992901][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 70.993187][ T630] ? 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) 
[ 70.993470][ T630] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 70.993748][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 70.994032][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 70.994313][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 70.994591][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 70.994866][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 70.995160][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 70.995436][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 70.995713][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 70.996072][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 70.996350][ T630] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 70.996622][ T630] ? __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) 
[ 70.996975][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 70.997254][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 70.997531][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 70.997815][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 70.998100][ T630] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 70.998386][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 70.998668][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 70.998942][ T630] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 70.999294][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 70.999582][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 70.999866][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 71.000152][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   71.000493][  T630] RIP: 0033:0x7f5f7a4b31e7
[ 71.000776][ T630] 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)
[   71.001789][  T630] RSP: 002b:00007fff51344d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   71.002215][  T630] RAX: ffffffffffffffda RBX: 00007fff51345440 RCX: 00007f5f7a4b31e7
[   71.002626][  T630] RDX: 0000000000000000 RSI: 00007fff51344d80 RDI: 0000000000000005
[   71.003043][  T630] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   71.003452][  T630] R10: 00007f5f7a3b0ee8 R11: 0000000000000246 R12: 0000000000000004
[   71.003869][  T630] R13: 00000000686e4de5 R14: 0000000000499600 R15: 0000000000000000
| [   72.165474][  T639] ------------[ cut here ]------------
| [ 72.165783][ T639] WARNING: CPU: 1 PID: 639 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) 
| [   72.167734][  T639] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   72.169224][  T639] Tainted: [W]=WARN
[   72.169433][  T639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 72.169772][ T639] 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) 
[ 72.170098][ T639] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   72.171088][  T639] RSP: 0018:ffffc9000106f140 EFLAGS: 00010246
[   72.171437][  T639] RAX: 0000000000000000 RBX: ffff88800634c000 RCX: 0000000000000001
[   72.171846][  T639] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   72.172261][  T639] RBP: ffffc9000106f228 R08: ffff88800a160800 R09: 0000000000000000
[   72.172675][  T639] R10: ffffc9000106f5c8 R11: ffffffff96873028 R12: 1ffff9200020de2c
[   72.173089][  T639] R13: 00000000000005dc R14: ffffc9000106f880 R15: ffff88800b5c7860
[   72.173496][  T639] FS:  00007f8f30d7a800(0000) GS:ffff8880d5419000(0000) knlGS:0000000000000000
[   72.173987][  T639] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.174346][  T639] CR2: 00000000004e5840 CR3: 000000000f8c5003 CR4: 0000000000772ef0
[   72.174759][  T639] PKRU: 55555554
[   72.174974][  T639] Call Trace:
[   72.175181][  T639]  <TASK>
[ 72.175320][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.175598][ T639] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 72.175869][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.176156][ T639] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 72.176435][ T639] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 72.176708][ T639] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 72.176992][ T639] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 72.177272][ T639] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 72.177618][ T639] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 72.177890][ T639] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 72.178190][ T639] ? __kernel_text_address (kernel/extable.c:79) 
[ 72.178466][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.178743][ T639] ? __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) 
[ 72.179024][ T639] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 72.179364][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.179640][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.179913][ T639] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 72.180198][ T639] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 72.180472][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.180744][ T639] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 72.181021][ T639] ? __create_object (mm/kmemleak.c:771) 
[ 72.181296][ T639] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 72.181570][ T639] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 72.181844][ T639] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 72.182189][ T639] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 72.182475][ T639] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 72.182753][ T639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.183032][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.183311][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.183585][ T639] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 72.183856][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.184141][ T639] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 72.184415][ T639] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 72.184697][ T639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.184987][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.185267][ T639] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 72.185541][ T639] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 72.185815][ T639] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 72.186106][ T639] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 72.186377][ T639] ? 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) 
[ 72.186656][ T639] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 72.186930][ T639] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 72.187250][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.187534][ T639] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 72.187812][ T639] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 72.188096][ T639] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 72.188395][ T639] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 72.188676][ T639] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 72.188949][ T639] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 72.189312][ T639] ___sys_sendmsg (net/socket.c:2670) 
[ 72.189585][ T639] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 72.189856][ T639] ? __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) 
[ 72.190205][ T639] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 72.190483][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.190762][ T639] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 72.191047][ T639] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 72.191322][ T639] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 72.191596][ T639] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 72.191877][ T639] __sys_sendmsg (net/socket.c:2700) 
[ 72.192156][ T639] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 72.192495][ T639] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 72.192784][ T639] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 72.193069][ T639] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 72.193346][ T639] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   72.193684][  T639] RIP: 0033:0x7f8f30f471e7
[ 72.193982][ T639] 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)
[   72.194987][  T639] RSP: 002b:00007ffe9cdfb248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   72.195404][  T639] RAX: ffffffffffffffda RBX: 00007ffe9cdfb970 RCX: 00007f8f30f471e7
[   72.195813][  T639] RDX: 0000000000000000 RSI: 00007ffe9cdfb2b0 RDI: 0000000000000005
[   72.196230][  T639] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   72.196643][  T639] R10: 00007f8f30e44ee8 R11: 0000000000000246 R12: 0000000000000004
[   72.197058][  T639] R13: 00000000686e4de6 R14: 0000000000499600 R15: 0000000000000000
| [   73.360436][  T648] ------------[ cut here ]------------
| [ 73.360811][ T648] WARNING: CPU: 3 PID: 648 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) 
| [   73.361366][  T648] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   73.362560][  T648] Tainted: [W]=WARN
[   73.362766][  T648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 73.363119][ T648] 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) 
[ 73.363403][ T648] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   73.364390][  T648] RSP: 0018:ffffc90001177140 EFLAGS: 00010246
[   73.364737][  T648] RAX: 0000000000000000 RBX: ffff888007d39000 RCX: 0000000000000001
[   73.365153][  T648] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   73.365560][  T648] RBP: ffffc90001177228 R08: ffff888005cc2000 R09: 0000000000000000
[   73.365981][  T648] R10: ffffc900011775c8 R11: ffffffff96873028 R12: 1ffff9200022ee2c
[   73.366395][  T648] R13: 00000000000005dc R14: ffffc90001177880 R15: ffff88800a9a3860
[   73.366809][  T648] FS:  00007fd0087a0800(0000) GS:ffff8880d5519000(0000) knlGS:0000000000000000
[   73.367300][  T648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.367649][  T648] CR2: 00000000004e5840 CR3: 000000000a02e005 CR4: 0000000000772ef0
[   73.368083][  T648] PKRU: 55555554
[   73.368301][  T648] Call Trace:
[   73.368507][  T648]  <TASK>
[ 73.368649][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.368928][ T648] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 73.369214][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.369493][ T648] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 73.369774][ T648] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 73.370055][ T648] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 73.370340][ T648] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 73.370621][ T648] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 73.370978][ T648] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 73.371254][ T648] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 73.371526][ T648] ? __kernel_text_address (kernel/extable.c:79) 
[ 73.371801][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.372084][ T648] ? __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) 
[ 73.372366][ T648] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 73.372718][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.373004][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.373279][ T648] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 73.373555][ T648] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 73.373830][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.374110][ T648] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 73.374381][ T648] ? __create_object (mm/kmemleak.c:771) 
[ 73.374653][ T648] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 73.374928][ T648] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 73.375214][ T648] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 73.375553][ T648] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 73.375836][ T648] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 73.376124][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.376400][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.376683][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.376971][ T648] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 73.377247][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.377524][ T648] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 73.377795][ T648] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 73.378084][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.378379][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.378664][ T648] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 73.378939][ T648] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 73.379229][ T648] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 73.379525][ T648] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 73.379798][ T648] ? 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) 
[ 73.380082][ T648] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 73.380358][ T648] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 73.380628][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.380907][ T648] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 73.381192][ T648] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 73.381471][ T648] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 73.381749][ T648] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 73.382035][ T648] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 73.382309][ T648] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 73.382666][ T648] ___sys_sendmsg (net/socket.c:2670) 
[ 73.382937][ T648] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 73.383231][ T648] ? __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) 
[ 73.383576][ T648] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 73.383853][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.384137][ T648] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 73.384418][ T648] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 73.384690][ T648] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 73.384971][ T648] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 73.385252][ T648] __sys_sendmsg (net/socket.c:2700) 
[ 73.385523][ T648] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 73.385866][ T648] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 73.386161][ T648] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 73.386439][ T648] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 73.386713][ T648] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   73.387060][  T648] RIP: 0033:0x7fd00896d1e7
[ 73.387345][ T648] 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)
[   73.388343][  T648] RSP: 002b:00007ffd90d0dd08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   73.388756][  T648] RAX: ffffffffffffffda RBX: 00007ffd90d0e430 RCX: 00007fd00896d1e7
[   73.389173][  T648] RDX: 0000000000000000 RSI: 00007ffd90d0dd70 RDI: 0000000000000005
[   73.389588][  T648] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   73.390006][  T648] R10: 00007fd00886aee8 R11: 0000000000000246 R12: 0000000000000004
[   73.390417][  T648] R13: 00000000686e4de8 R14: 0000000000499600 R15: 0000000000000000
| [   77.521368][  T681] ------------[ cut here ]------------
| [ 77.521716][ T681] WARNING: CPU: 2 PID: 681 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) 
| [   77.522291][  T681] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   77.523983][  T681] Tainted: [W]=WARN
[   77.524210][  T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 77.524565][ T681] 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) 
[ 77.524867][ T681] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   77.525873][  T681] RSP: 0018:ffffc90001247140 EFLAGS: 00010246
[   77.526246][  T681] RAX: 0000000000000000 RBX: ffff88800a279000 RCX: 0000000000000001
[   77.526681][  T681] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   77.527113][  T681] RBP: ffffc90001247228 R08: ffff8880081b2000 R09: 0000000000000000
[   77.527550][  T681] R10: ffffc900012475c8 R11: ffffffff96873028 R12: 1ffff92000248e2c
[   77.527985][  T681] R13: 00000000000005dc R14: ffffc90001247880 R15: ffff88800a710ae0
[   77.528434][  T681] FS:  00007f3c2d596800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[   77.528931][  T681] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   77.529299][  T681] CR2: 00000000004e5840 CR3: 000000000b756001 CR4: 0000000000772ef0
[   77.529723][  T681] PKRU: 55555554
[   77.529943][  T681] Call Trace:
[   77.530173][  T681]  <TASK>
[ 77.530328][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.530620][ T681] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 77.530907][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.531202][ T681] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 77.531489][ T681] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 77.531776][ T681] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 77.532076][ T681] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 77.532369][ T681] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 77.532730][ T681] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 77.533028][ T681] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 77.533315][ T681] ? __kernel_text_address (kernel/extable.c:79) 
[ 77.533604][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.533895][ T681] ? __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) 
[ 77.534191][ T681] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 77.534547][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.534834][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.535128][ T681] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 77.535415][ T681] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 77.535706][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.535998][ T681] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 77.536286][ T681] ? __create_object (mm/kmemleak.c:771) 
[ 77.536575][ T681] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 77.536862][ T681] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 77.537159][ T681] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 77.537509][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 77.537807][ T681] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 77.538110][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.538413][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.538706][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.539002][ T681] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 77.539289][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.539579][ T681] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 77.539863][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 77.540161][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.540451][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.540745][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 77.541039][ T681] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 77.541330][ T681] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 77.541627][ T681] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 77.541913][ T681] ? 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) 
[ 77.542210][ T681] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 77.542499][ T681] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 77.542788][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.543094][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 77.543390][ T681] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 77.543676][ T681] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 77.543978][ T681] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 77.544268][ T681] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 77.544560][ T681] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 77.544923][ T681] ___sys_sendmsg (net/socket.c:2670) 
[ 77.545216][ T681] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 77.545498][ T681] ? __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) 
[ 77.545854][ T681] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 77.546166][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.546462][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 77.546762][ T681] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 77.547082][ T681] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 77.547383][ T681] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 77.547694][ T681] __sys_sendmsg (net/socket.c:2700) 
[ 77.548009][ T681] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 77.548373][ T681] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 77.548671][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 77.548969][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 77.549258][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   77.549612][  T681] RIP: 0033:0x7f3c2d7631e7
[ 77.549909][ T681] 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)
[   77.550911][  T681] RSP: 002b:00007fffdbc9c5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   77.551356][  T681] RAX: ffffffffffffffda RBX: 00007fffdbc9cd10 RCX: 00007f3c2d7631e7
[   77.551788][  T681] RDX: 0000000000000000 RSI: 00007fffdbc9c650 RDI: 0000000000000005
[   77.552221][  T681] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   77.552646][  T681] R10: 00007f3c2d660ee8 R11: 0000000000000246 R12: 0000000000000004
[   77.553079][  T681] R13: 00000000686e4dec R14: 0000000000499600 R15: 0000000000000000
| [   78.707579][  T690] ------------[ cut here ]------------
| [ 78.707922][ T690] WARNING: CPU: 2 PID: 690 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) 
| [   78.708509][  T690] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   78.709749][  T690] Tainted: [W]=WARN
[   78.709981][  T690] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.710334][ T690] 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) 
[ 78.710629][ T690] Code: 00 00 8b 05 97 05 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 fa fd 9b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 97 05 bc 02    	mov    0x2bc0597(%rip),%eax        # 0x2bc059f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa fd 9b 00       	call   0x9bfe1b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   78.713062][  T690] RSP: 0018:ffffc90001287140 EFLAGS: 00010246
[   78.713560][  T690] RAX: 0000000000000000 RBX: ffff88800e3b9000 RCX: 0000000000000001
[   78.714006][  T690] RDX: 0000000000000000 RSI: ffffffff95510759 RDI: ffffffff94c58280
[   78.714425][  T690] RBP: ffffc90001287228 R08: ffff888005cc0800 R09: 0000000000000000
[   78.714846][  T690] R10: ffffc900012875c8 R11: ffffffff96873028 R12: 1ffff92000250e2c
[   78.715294][  T690] R13: 00000000000005dc R14: ffffc90001287880 R15: ffff88800b5c66e0
[   78.715704][  T690] FS:  00007f7dc0e6f800(0000) GS:ffff8880d5499000(0000) knlGS:0000000000000000
[   78.716189][  T690] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.716540][  T690] CR2: 00000000004e5840 CR3: 0000000002c6e003 CR4: 0000000000772ef0
[   78.716953][  T690] PKRU: 55555554
[   78.717174][  T690] Call Trace:
[   78.717385][  T690]  <TASK>
[ 78.717531][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.717812][ T690] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 78.718100][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.718410][ T690] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 78.718702][ T690] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 78.718996][ T690] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 78.719288][ T690] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 78.719584][ T690] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 78.719974][ T690] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 78.720261][ T690] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 78.720551][ T690] ? __kernel_text_address (kernel/extable.c:79) 
[ 78.720840][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.721143][ T690] ? __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) 
[ 78.721421][ T690] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 78.721763][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.722055][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.722357][ T690] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 78.722643][ T690] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 78.722931][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.723225][ T690] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 78.723514][ T690] ? __create_object (mm/kmemleak.c:771) 
[ 78.723790][ T690] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 78.724080][ T690] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 78.724358][ T690] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 78.724697][ T690] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 78.724993][ T690] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 78.725298][ T690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.725580][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.725870][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.726167][ T690] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 78.726451][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.726737][ T690] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 78.727035][ T690] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 78.727327][ T690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.727640][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.727931][ T690] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 78.728234][ T690] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 78.728523][ T690] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 78.728820][ T690] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 78.729114][ T690] ? 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) 
[ 78.729414][ T690] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 78.729695][ T690] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 78.729982][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.730292][ T690] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 78.730580][ T690] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 78.730866][ T690] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 78.731168][ T690] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 78.731469][ T690] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 78.731744][ T690] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 78.732110][ T690] ___sys_sendmsg (net/socket.c:2670) 
[ 78.732385][ T690] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 78.732684][ T690] ? __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) 
[ 78.733046][ T690] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 78.733338][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.733631][ T690] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 78.733924][ T690] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 78.734221][ T690] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 78.734512][ T690] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 78.734805][ T690] __sys_sendmsg (net/socket.c:2700) 
[ 78.735101][ T690] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 78.735451][ T690] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 78.735759][ T690] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 78.736047][ T690] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 78.736329][ T690] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   78.736666][  T690] RIP: 0033:0x7f7dc103c1e7
[ 78.736954][ T690] 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)
[   78.737924][  T690] RSP: 002b:00007ffcb7eec5d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   78.738381][  T690] RAX: ffffffffffffffda RBX: 00007ffcb7eecd00 RCX: 00007f7dc103c1e7
[   78.738800][  T690] RDX: 0000000000000000 RSI: 00007ffcb7eec640 RDI: 0000000000000005
[   78.739230][  T690] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   78.739664][  T690] R10: 00007f7dc0f39ee8 R11: 0000000000000246 R12: 0000000000000004


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