======================================
| 0
| xx__-> [   48.145571][  T615] ------------[ cut here ]------------
| [ 48.145916][ T615] WARNING: CPU: 1 PID: 615 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) 
| [   48.146467][  T615] Modules linked in: act_gact cls_flower sch_ingress vrf veth
[   48.147531][  T615] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.147919][ T615] 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) 
[ 48.148208][ T615] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   48.150616][  T615] RSP: 0018:ffffc900010e7140 EFLAGS: 00010246
[   48.151098][  T615] RAX: 0000000000000000 RBX: ffff888008c54000 RCX: 0000000000000001
[   48.151520][  T615] RDX: 0000000000000000 RSI: ffffffff9c49b939 RDI: ffffffff9bc555e0
[   48.151947][  T615] RBP: ffffc900010e7230 R08: ffff88800d036800 R09: 0000000000000000
[   48.152364][  T615] R10: ffffc900010e75c8 R11: ffffffff9d250668 R12: 1ffff9200021ce2c
[   48.152775][  T615] R13: 00000000000005dc R14: ffffc900010e7880 R15: ffff88800968f4e0
[   48.153201][  T615] FS:  00007f6916eba800(0000) GS:ffff888090f37000(0000) knlGS:0000000000000000
[   48.153681][  T615] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.154051][  T615] CR2: 00000000004e5aa0 CR3: 00000000020c0003 CR4: 0000000000772ef0
[   48.154466][  T615] PKRU: 55555554
[   48.154677][  T615] Call Trace:
[   48.154894][  T615]  <TASK>
[ 48.155039][ T615] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.155324][ T615] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.155603][ T615] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.155891][ T615] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 48.156168][ T615] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 48.156447][ T615] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 48.156726][ T615] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 48.157020][ T615] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.157368][ T615] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.157644][ T615] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.157953][ T615] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.158236][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.158515][ T615] ? __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) 
[ 48.159166][ T615] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.159513][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.159811][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.160092][ T615] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.160372][ T615] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.160656][ T615] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.160944][ T615] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.161220][ T615] ? __create_object (mm/kmemleak.c:771) 
[ 48.161497][ T615] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.161777][ T615] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.162081][ T615] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.162433][ T615] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.162715][ T615] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.163006][ T615] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.163281][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.163560][ T615] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.163845][ T615] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.164118][ T615] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.164393][ T615] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.164675][ T615] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.164957][ T615] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.165234][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.165511][ T615] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.165796][ T615] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.166074][ T615] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.166358][ T615] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.166637][ T615] ? 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) 
[ 48.166946][ T615] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 48.167228][ T615] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.167500][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.167808][ T615] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.168089][ T615] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.168364][ T615] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.168657][ T615] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.168946][ T615] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.169218][ T615] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.169570][ T615] ___sys_sendmsg (net/socket.c:2670) 
[ 48.169852][ T615] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.170126][ T615] ? __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) 
[ 48.170469][ T615] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.170755][ T615] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.171044][ T615] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.171325][ T615] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.171602][ T615] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.171882][ T615] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.172165][ T615] __sys_sendmsg (net/socket.c:2700) 
[ 48.172440][ T615] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.172791][ T615] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.173087][ T615] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.173365][ T615] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.173641][ T615] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.173988][  T615] RIP: 0033:0x7f69170871e7
[ 48.174283][ T615] 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)
[   48.175286][  T615] RSP: 002b:00007ffdcc664628 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.175708][  T615] RAX: ffffffffffffffda RBX: 00007ffdcc664d50 RCX: 00007f69170871e7
[   48.176129][  T615] RDX: 0000000000000000 RSI: 00007ffdcc664690 RDI: 0000000000000005
[   48.176544][  T615] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   48.176971][  T615] R10: 00007f6916f84ee8 R11: 0000000000000246 R12: 0000000000000004
[   48.177387][  T615] R13: 00000000686e6aa3 R14: 0000000000499600 R15: 0000000000000000
| [   49.017438][  T625] ------------[ cut here ]------------
| [ 49.017776][ T625] WARNING: CPU: 3 PID: 625 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) 
| [   49.018456][  T625] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress vrf veth
| [   49.019589][  T625] Tainted: [W]=WARN
[   49.019813][  T625] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.020157][ T625] 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) 
[ 49.020442][ T625] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.021435][  T625] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   49.021798][  T625] RAX: 0000000000000000 RBX: ffff888009402000 RCX: 0000000000000001
[   49.022214][  T625] RDX: 0000000000000000 RSI: ffffffff9c49b939 RDI: ffffffff9bc555e0
[   49.022624][  T625] RBP: ffffc90000677230 R08: ffff8880050e0800 R09: 0000000000000000
[   49.023132][  T625] R10: ffffc900006775c8 R11: ffffffff9d250668 R12: 1ffff920000cee2c
[   49.023564][  T625] R13: 00000000000004ce R14: ffffc90000677880 R15: ffff88800a08bbe0
[   49.023983][  T625] FS:  00007f6d81a10800(0000) GS:ffff888091037000(0000) knlGS:0000000000000000
[   49.024466][  T625] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.024829][  T625] CR2: 00000000004e5360 CR3: 0000000002b2a006 CR4: 0000000000772ef0
[   49.025250][  T625] PKRU: 55555554
[   49.025457][  T625] Call Trace:
[   49.025666][  T625]  <TASK>
[ 49.025815][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.026101][ T625] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.026375][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.026655][ T625] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.026941][ T625] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 49.027219][ T625] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.027508][ T625] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 49.027816][ T625] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.028169][ T625] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.028445][ T625] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.028719][ T625] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.029014][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.029301][ T625] ? __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) 
[ 49.029579][ T625] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.029936][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.030218][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.030508][ T625] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.030794][ T625] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.031076][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.031351][ T625] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.031633][ T625] ? __create_object (mm/kmemleak.c:771) 
[ 49.031926][ T625] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.032202][ T625] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.032476][ T625] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.032832][ T625] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.033116][ T625] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.033395][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.033675][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.033965][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.034241][ T625] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.034513][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.034799][ T625] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.035073][ T625] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.035354][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.035633][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.035935][ T625] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.036213][ T625] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.036489][ T625] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.036776][ T625] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.037065][ T625] ? 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) 
[ 49.037340][ T625] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.037620][ T625] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.037933][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.038214][ T625] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.038490][ T625] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.038768][ T625] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.039067][ T625] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.039349][ T625] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.039619][ T625] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.039998][ T625] ___sys_sendmsg (net/socket.c:2670) 
[ 49.040275][ T625] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.040553][ T625] ? __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) 
[ 49.040907][ T625] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.041190][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.041468][ T625] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.041753][ T625] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.042046][ T625] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.042322][ T625] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.042605][ T625] __sys_sendmsg (net/socket.c:2700) 
[ 49.042890][ T625] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.043231][ T625] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.043519][ T625] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.043829][ T625] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.044109][ T625] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.044457][  T625] RIP: 0033:0x7f6d81bdd1e7
[ 49.044743][ T625] 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)
[   49.045747][  T625] RSP: 002b:00007ffcf8693fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.046183][  T625] RAX: ffffffffffffffda RBX: 00007ffcf86946d0 RCX: 00007f6d81bdd1e7
[   49.046596][  T625] RDX: 0000000000000000 RSI: 00007ffcf8694010 RDI: 0000000000000005
[   49.047016][  T625] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.047429][  T625] R10: 00007f6d81adaee8 R11: 0000000000000246 R12: 0000000000000004
[   49.047869][  T625] R13: 00000000686e6aa4 R14: 0000000000499600 R15: 0000000000000000
| [   49.169645][  T626] ------------[ cut here ]------------
| [ 49.170240][ T626] WARNING: CPU: 2 PID: 626 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) 
| [   49.170855][  T626] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress vrf veth
| [   49.172034][  T626] Tainted: [W]=WARN
[   49.172263][  T626] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.172626][ T626] 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) 
[ 49.172948][ T626] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.173968][  T626] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   49.174331][  T626] RAX: 0000000000000000 RBX: ffff888008c54000 RCX: 0000000000000001
[   49.174769][  T626] RDX: 0000000000000000 RSI: ffffffff9c49b939 RDI: ffffffff9bc555e0
[   49.175210][  T626] RBP: ffffc90000507230 R08: ffff8880092ea000 R09: 0000000000000000
[   49.175641][  T626] R10: ffffc900005075c8 R11: ffffffff9d250668 R12: 1ffff920000a0e2c
[   49.176084][  T626] R13: 00000000000005dc R14: ffffc90000507880 R15: ffff88800a08b4e0
[   49.176515][  T626] FS:  00007f034aa83800(0000) GS:ffff888090fb7000(0000) knlGS:0000000000000000
[   49.177029][  T626] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.177394][  T626] CR2: 00000000004e5aa0 CR3: 000000000f112006 CR4: 0000000000772ef0
[   49.177841][  T626] PKRU: 55555554
[   49.178066][  T626] Call Trace:
[   49.178286][  T626]  <TASK>
[ 49.178442][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.178751][ T626] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.179056][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.179349][ T626] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.179637][ T626] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 49.179939][ T626] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.180233][ T626] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 49.180530][ T626] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.180911][ T626] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.181206][ T626] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.181499][ T626] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.181808][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.182107][ T626] ? __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) 
[ 49.182400][ T626] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.182759][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.183066][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.183358][ T626] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.183644][ T626] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.183963][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.184254][ T626] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.184539][ T626] ? __create_object (mm/kmemleak.c:771) 
[ 49.184844][ T626] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.185141][ T626] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.185431][ T626] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.185825][ T626] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.186126][ T626] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.186418][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.186704][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.187021][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.187315][ T626] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.187609][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.187924][ T626] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.188214][ T626] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.188504][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.188808][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.189103][ T626] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.189399][ T626] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.189698][ T626] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.190011][ T626] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.190298][ T626] ? 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) 
[ 49.190590][ T626] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.190902][ T626] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.191193][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.191485][ T626] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.191797][ T626] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.192086][ T626] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.192383][ T626] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.192673][ T626] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.192973][ T626] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.193338][ T626] ___sys_sendmsg (net/socket.c:2670) 
[ 49.193625][ T626] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.193928][ T626] ? __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) 
[ 49.194285][ T626] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.194573][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.194878][ T626] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.195180][ T626] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.195469][ T626] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 49.195754][ T626] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.196060][ T626] __sys_sendmsg (net/socket.c:2700) 
[ 49.196352][ T626] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.196703][ T626] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.197013][ T626] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.197302][ T626] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.197590][ T626] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.197961][  T626] RIP: 0033:0x7f034ac501e7
[ 49.198260][ T626] 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)
[   49.199273][  T626] RSP: 002b:00007ffd3d198578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.199705][  T626] RAX: ffffffffffffffda RBX: 00007ffd3d198ca0 RCX: 00007f034ac501e7
[   49.200143][  T626] RDX: 0000000000000000 RSI: 00007ffd3d1985e0 RDI: 0000000000000005
[   49.200574][  T626] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.201012][  T626] R10: 00007f034ab4dee8 R11: 0000000000000246 R12: 0000000000000004
[   49.201438][  T626] R13: 00000000686e6aa4 R14: 0000000000499600 R15: 0000000000000000
| [   49.446533][  T630] ------------[ cut here ]------------
| [ 49.446919][ T630] WARNING: CPU: 2 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) 
| [   49.447496][  T630] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress vrf veth
| [   49.449275][  T630] Tainted: [W]=WARN
[   49.449502][  T630] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 49.449877][ 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) 
[ 49.450187][ T630] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   49.451210][  T630] RSP: 0018:ffffc90000677140 EFLAGS: 00010246
[   49.451580][  T630] RAX: 0000000000000000 RBX: ffff888008c54000 RCX: 0000000000000001
[   49.452022][  T630] RDX: 0000000000000000 RSI: ffffffff9c49b939 RDI: ffffffff9bc555e0
[   49.452458][  T630] RBP: ffffc90000677230 R08: ffff888005180800 R09: 0000000000000000
[   49.452900][  T630] R10: ffffc900006775c8 R11: ffffffff9d250668 R12: 1ffff920000cee2c
[   49.453325][  T630] R13: 00000000000003e8 R14: ffffc90000677880 R15: ffff88800a0898e0
[   49.453768][  T630] FS:  00007f5e18c1b800(0000) GS:ffff888090fb7000(0000) knlGS:0000000000000000
[   49.454284][  T630] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   49.454653][  T630] CR2: 00000000004e5aa0 CR3: 0000000002b2a002 CR4: 0000000000772ef0
[   49.455097][  T630] PKRU: 55555554
[   49.455324][  T630] Call Trace:
[   49.455549][  T630]  <TASK>
[ 49.455706][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.456023][ T630] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 49.456322][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.456622][ T630] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 49.456929][ T630] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 49.457227][ T630] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 49.457529][ T630] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 49.457853][ T630] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 49.458226][ T630] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 49.458515][ T630] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 49.458826][ T630] ? __kernel_text_address (kernel/extable.c:79) 
[ 49.459119][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.459417][ 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) 
[ 49.459708][ T630] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 49.460085][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.460380][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.460670][ T630] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 49.460976][ T630] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 49.461272][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.461565][ T630] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 49.461869][ T630] ? __create_object (mm/kmemleak.c:771) 
[ 49.462161][ T630] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 49.462456][ T630] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 49.462752][ T630] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 49.463126][ T630] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 49.463424][ T630] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 49.463719][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.464035][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.464341][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.464636][ T630] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 49.464938][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.465237][ T630] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 49.465540][ T630] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 49.465845][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.466138][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.466433][ T630] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 49.466723][ T630] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 49.467031][ T630] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 49.467334][ T630] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 49.467632][ 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) 
[ 49.467955][ T630] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 49.468250][ T630] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 49.468540][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.468849][ T630] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 49.469143][ T630] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 49.469435][ T630] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 49.469871][ T630] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 49.470192][ T630] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 49.470482][ T630] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 49.470871][ T630] ___sys_sendmsg (net/socket.c:2670) 
[ 49.471158][ T630] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 49.471444][ 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) 
[ 49.471812][ T630] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 49.472116][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.472412][ T630] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 49.472710][ T630] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 49.473021][ 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) 
[ 49.473318][ T630] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 49.473619][ T630] __sys_sendmsg (net/socket.c:2700) 
[ 49.473933][ T630] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 49.474298][ T630] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 49.474606][ T630] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 49.474916][ T630] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 49.475212][ T630] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   49.475569][  T630] RIP: 0033:0x7f5e18de81e7
[ 49.475887][ 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)
[   49.476904][  T630] RSP: 002b:00007ffe40046b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   49.477335][  T630] RAX: ffffffffffffffda RBX: 00007ffe40047240 RCX: 00007f5e18de81e7
[   49.477769][  T630] RDX: 0000000000000000 RSI: 00007ffe40046b80 RDI: 0000000000000005
[   49.478218][  T630] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   49.478653][  T630] R10: 00007f5e18ce5ee8 R11: 0000000000000246 R12: 0000000000000004
[   49.479096][  T630] R13: 00000000686e6aa5 R14: 0000000000499600 R15: 0000000000000000
| [   66.000539][  T758] ------------[ cut here ]------------
| [ 66.000888][ T758] WARNING: CPU: 0 PID: 758 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) 
| [   66.001454][  T758] Modules linked in: act_tunnel_key cls_matchall vxlan ip6_udp_tunnel udp_tunnel act_gact cls_flower sch_ingress vrf veth
| [   66.002682][  T758] Tainted: [W]=WARN
[   66.002907][  T758] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 66.003260][ T758] 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) 
[ 66.003553][ T758] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   66.004556][  T758] RSP: 0018:ffffc90000c17140 EFLAGS: 00010246
[   66.005035][  T758] RAX: 0000000000000000 RBX: ffff888008c54000 RCX: 0000000000000001
[   66.005457][  T758] RDX: 0000000000000000 RSI: ffffffff9c49b939 RDI: ffffffff9bc555e0
[   66.005880][  T758] RBP: ffffc90000c17230 R08: ffff888002ac0800 R09: 0000000000000000
[   66.006310][  T758] R10: ffffc90000c175c8 R11: ffffffff9d250668 R12: 1ffff92000182e2c
[   66.006731][  T758] R13: 00000000000005dc R14: ffffc90000c17880 R15: ffff888005f81560
[   66.007163][  T758] FS:  00007f06b8055800(0000) GS:ffff888090eb7000(0000) knlGS:0000000000000000
[   66.007648][  T758] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   66.008015][  T758] CR2: 00000000004e5aa0 CR3: 000000000a470006 CR4: 0000000000772ef0
[   66.008434][  T758] PKRU: 55555554
[   66.008645][  T758] Call Trace:
[   66.008862][  T758]  <TASK>
[ 66.009005][ T758] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.009299][ T758] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 66.009578][ T758] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.009871][ T758] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 66.010154][ T758] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 66.010433][ T758] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 66.010715][ T758] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 66.011018][ T758] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 66.011372][ T758] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 66.011651][ T758] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 66.011938][ T758] ? __kernel_text_address (kernel/extable.c:79) 
[ 66.012221][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.012501][ T758] ? __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) 
[ 66.012795][ T758] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 66.013144][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.013422][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.013699][ T758] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 66.013985][ T758] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 66.014265][ T758] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.014540][ T758] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 66.014826][ T758] ? __create_object (mm/kmemleak.c:771) 
[ 66.015110][ T758] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 66.015397][ T758] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 66.015673][ T758] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 66.016031][ T758] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 66.016319][ T758] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 66.016604][ T758] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.016889][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.017174][ T758] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.017453][ T758] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 66.017744][ T758] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.018039][ T758] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 66.018319][ T758] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 66.018598][ T758] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.018890][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.019175][ T758] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 66.019454][ T758] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 66.019739][ T758] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 66.020054][ T758] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 66.020329][ T758] ? 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) 
[ 66.020607][ T758] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 66.020895][ T758] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 66.021170][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.021451][ T758] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 66.021740][ T758] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 66.022029][ T758] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 66.022312][ T758] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 66.022592][ T758] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 66.022879][ T758] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 66.023236][ T758] ___sys_sendmsg (net/socket.c:2670) 
[ 66.023510][ T758] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 66.023805][ T758] ? __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) 
[ 66.024150][ T758] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 66.024430][ T758] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.024708][ T758] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 66.025002][ T758] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 66.025283][ T758] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 66.025558][ T758] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 66.025857][ T758] __sys_sendmsg (net/socket.c:2700) 
[ 66.026131][ T758] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 66.026475][ T758] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 66.026764][ T758] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 66.027054][ T758] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 66.027334][ T758] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   66.027678][  T758] RIP: 0033:0x7f06b82221e7
[ 66.027986][ T758] 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)
[   66.028986][  T758] RSP: 002b:00007ffdfe82e238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   66.029404][  T758] RAX: ffffffffffffffda RBX: 00007ffdfe82e960 RCX: 00007f06b82221e7
[   66.029837][  T758] RDX: 0000000000000000 RSI: 00007ffdfe82e2a0 RDI: 0000000000000005
[   66.030251][  T758] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   66.030663][  T758] R10: 00007f06b811fee8 R11: 0000000000000246 R12: 0000000000000004


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