======================================
| 0
| xx__-> [   20.930652][  T282] ------------[ cut here ]------------
| [ 20.931116][ T282] WARNING: CPU: 2 PID: 282 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   20.931723][  T282] Modules linked in: veth
[   20.932515][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.933547][ T282] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 20.933865][ T282] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   20.934885][  T282] RSP: 0018:ffffc90000557140 EFLAGS: 00010246
[   20.935252][  T282] RAX: 0000000000000000 RBX: ffff888009701000 RCX: 0000000000000001
[   20.935693][  T282] RDX: 0000000000000000 RSI: ffffffffa4c9f52e RDI: ffffffffa445a5a0
[   20.936124][  T282] RBP: ffffc90000557230 R08: ffff88800919e800 R09: 0000000000000000
[   20.936559][  T282] R10: ffffc900005575c8 R11: ffffffffa5a59728 R12: 1ffff920000aae2c
[   20.937008][  T282] R13: 0000000000000500 R14: ffffc90000557880 R15: ffff88800a8cdc60
[   20.937440][  T282] FS:  00007fde06ab7800(0000) GS:ffff88808f5a7000(0000) knlGS:0000000000000000
[   20.938134][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.938504][  T282] CR2: 00000000004e59f8 CR3: 000000000c7c4002 CR4: 0000000000772ef0
[   20.938949][  T282] PKRU: 55555554
[   20.939208][  T282] Call Trace:
[   20.939432][  T282]  <TASK>
[ 20.939591][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.939900][ T282] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.940193][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.940488][ T282] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.940791][ T282] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.941084][ T282] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.941379][ T282] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.941687][ T282] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.942054][ T282] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.942347][ T282] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.942646][ T282] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.942942][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.943236][ T282] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 20.943529][ T282] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.943895][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.944191][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.944479][ T282] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.944778][ T282] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.945077][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.945368][ T282] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.945666][ T282] ? __create_object (mm/kmemleak.c:771) 
[ 20.945962][ T282] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.946252][ T282] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.946545][ T282] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.946910][ T282] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.947211][ T282] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.947508][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.947807][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.948104][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.948396][ T282] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.948692][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.948989][ T282] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.949290][ T282] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.949586][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.949888][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.950185][ T282] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.950478][ T282] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.950782][ T282] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.951085][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.951375][ T282] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 20.951680][ T282] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.951973][ T282] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.952275][ T282] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.952569][ T282] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.952872][ T282] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.953166][ T282] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 20.953464][ T282] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.953767][ T282] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.954063][ T282] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.954435][ T282] ___sys_sendmsg (net/socket.c:2670) 
[ 20.954733][ T282] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.955022][ T282] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 20.955384][ T282] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.955687][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.955987][ T282] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.956283][ T282] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.956577][ T282] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.956875][ T282] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.957175][ T282] __sys_sendmsg (net/socket.c:2700) 
[ 20.957466][ T282] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.957834][ T282] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.958140][ T282] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.958432][ T282] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.958734][ T282] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.959098][  T282] RIP: 0033:0x7fde06c841e7
[ 20.959403][ T282] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   20.960428][  T282] RSP: 002b:00007ffe0505b198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.960879][  T282] RAX: ffffffffffffffda RBX: 00007ffe0505b8d0 RCX: 00007fde06c841e7
[   20.961314][  T282] RDX: 0000000000000000 RSI: 00007ffe0505b200 RDI: 0000000000000005
[   20.961754][  T282] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.962187][  T282] R10: 00007fde06b81498 R11: 0000000000000246 R12: 0000000000000004
[   20.962646][  T282] R13: 00000000686e260e R14: 0000000000499600 R15: 0000000000000000
| [   21.742499][  T288] ------------[ cut here ]------------
| [ 21.743293][ T288] WARNING: CPU: 2 PID: 288 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) 
| [   21.743876][  T288] Modules linked in: veth
| [   21.744692][  T288] Tainted: [W]=WARN
[   21.744923][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.745284][ T288] 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) 
[ 21.745583][ T288] Code: 00 00 8b 05 87 1c 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 ca d1 79 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 87 1c 38 02    	mov    0x2381c87(%rip),%eax        # 0x2381c8f
   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 ca d1 79 00       	call   0x79d1eb
  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
[   21.746598][  T288] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   21.746977][  T288] RAX: 0000000000000000 RBX: ffff88800a304000 RCX: 0000000000000001
[   21.747439][  T288] RDX: 0000000000000000 RSI: ffffffffa4c9f52e RDI: ffffffffa445a5a0
[   21.747876][  T288] RBP: ffffc900005a7230 R08: ffff888004ed6800 R09: 0000000000000000
[   21.748303][  T288] R10: ffffc900005a75c8 R11: ffffffffa5a59728 R12: 1ffff920000b4e2c
[   21.748744][  T288] R13: 0000000000000500 R14: ffffc900005a7880 R15: ffff888008f04ae0
[   21.749188][  T288] FS:  00007fe9cf50a800(0000) GS:ffff88808f5a7000(0000) knlGS:0000000000000000
[   21.749704][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.750068][  T288] CR2: 00000000004e5aa0 CR3: 000000000dcdd004 CR4: 0000000000772ef0
[   21.750503][  T288] PKRU: 55555554
[   21.750736][  T288] Call Trace:
[   21.750958][  T288]  <TASK>
[ 21.751119][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.751415][ T288] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.751714][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.752010][ T288] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.752300][ T288] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 21.752594][ T288] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 21.752902][ T288] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 21.753202][ T288] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.753566][ T288] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.753868][ T288] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.754155][ T288] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.754451][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.754758][ T288] ? __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) 
[ 21.755050][ T288] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.755408][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.755710][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.755997][ T288] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.756286][ T288] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.756580][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.756886][ T288] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.757181][ T288] ? __create_object (mm/kmemleak.c:771) 
[ 21.757472][ T288] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.757776][ T288] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.758067][ T288] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.758424][ T288] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.758732][ T288] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.759027][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.759329][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.759634][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.759930][ T288] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.760221][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.760512][ T288] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.760811][ T288] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.761103][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.761396][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.761703][ T288] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.761993][ T288] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.762282][ T288] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.762585][ T288] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.762881][ T288] ? 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) 
[ 21.763173][ T288] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.763464][ T288] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.763776][ T288] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.764068][ T288] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.764360][ T288] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.764659][ T288] ? _copy_from_user (./arch/x86/include/asm/smap.h:29 ./arch/x86/include/asm/uaccess_64.h:134 ./arch/x86/include/asm/uaccess_64.h:141 ./include/linux/uaccess.h:178 lib/usercopy.c:18) 
[ 21.764959][ T288] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.765249][ T288] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.765536][ T288] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.765917][ T288] ___sys_sendmsg (net/socket.c:2670) 
[ 21.766205][ T288] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.766493][ T288] ? __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) 
[ 21.766859][ T288] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.767154][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.767445][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.767749][ T288] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.768042][ T288] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.768330][ T288] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.768635][ T288] __sys_sendmsg (net/socket.c:2700) 
[ 21.768924][ T288] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.769287][ T288] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.769591][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.769892][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.770189][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.770551][  T288] RIP: 0033:0x7fe9cf6d71e7
[ 21.770863][ T288] 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)
[   21.771879][  T288] RSP: 002b:00007ffc641b2e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.772317][  T288] RAX: ffffffffffffffda RBX: 00007ffc641b3580 RCX: 00007fe9cf6d71e7
[   21.772753][  T288] RDX: 0000000000000000 RSI: 00007ffc641b2eb0 RDI: 0000000000000005
[   21.773183][  T288] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   21.773620][  T288] R10: 00007fe9cf5d4498 R11: 0000000000000246 R12: 0000000000000003


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