======================================
| 0
| xx__-> [   20.915145][  T283] ------------[ cut here ]------------
| [ 20.915662][ T283] WARNING: CPU: 1 PID: 283 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) 
| [   20.916548][  T283] Modules linked in: veth
[   20.919041][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.919512][ T283] 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) 
[ 20.920063][ T283] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   20.921864][  T283] RSP: 0018:ffffc900004e7140 EFLAGS: 00010246
[   20.922528][  T283] RAX: 0000000000000000 RBX: ffff88800517c000 RCX: 0000000000000001
[   20.923278][  T283] RDX: 0000000000000000 RSI: ffffffff8769f52e RDI: ffffffff86e5a5a0
[   20.924020][  T283] RBP: ffffc900004e7230 R08: ffff8880031e2000 R09: 0000000000000000
[   20.924784][  T283] R10: ffffc900004e75c8 R11: ffffffff88459728 R12: 1ffff9200009ce2c
[   20.925542][  T283] R13: 0000000000000500 R14: ffffc900004e7880 R15: ffff888005e99fe0
[   20.926297][  T283] FS:  00007ff534a2b800(0000) GS:ffff8880a5b27000(0000) knlGS:0000000000000000
[   20.927191][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.927811][  T283] CR2: 00000000004e59f8 CR3: 000000000e693004 CR4: 0000000000772ef0
[   20.928586][  T283] PKRU: 55555554
[   20.928957][  T283] Call Trace:
[   20.929340][  T283]  <TASK>
[ 20.929597][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.930126][ T283] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.930618][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.931126][ T283] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.931621][ T283] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.932337][ T283] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.932717][ T283] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.933209][ T283] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.933838][ T283] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.934342][ T283] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.934827][ T283] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.935339][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.935840][ T283] ? __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) 
[ 20.936348][ T283] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.936965][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.937473][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.937960][ T283] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.938468][ T283] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.938961][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.939467][ T283] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.939955][ T283] ? __create_object (mm/kmemleak.c:771) 
[ 20.940477][ T283] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.940978][ T283] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.941480][ T283] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.942098][ T283] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.942606][ T283] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.943122][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.943614][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.944143][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.944636][ T283] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.945135][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.945634][ T283] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.946140][ T283] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.946638][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.947163][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.947666][ T283] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.948170][ T283] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.948666][ T283] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.949199][ T283] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.949688][ T283] ? 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) 
[ 20.950200][ T283] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.950700][ T283] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.951222][ T283] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.951724][ T283] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.952242][ T283] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.952769][ T283] ? _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) 
[ 20.953285][ T283] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.953777][ T283] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.954278][ T283] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.954917][ T283] ___sys_sendmsg (net/socket.c:2670) 
[ 20.955418][ T283] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.955902][ T283] ? __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) 
[ 20.956849][ T283] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.957237][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.957702][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.958218][ T283] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.958972][ T283] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.959342][ T283] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.959874][ T283] __sys_sendmsg (net/socket.c:2700) 
[ 20.960337][ T283] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.961182][ T283] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.961589][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.962079][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.962571][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.963403][  T283] RIP: 0033:0x7ff534bf81e7
[ 20.963822][ T283] 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)
[   20.965763][  T283] RSP: 002b:00007ffcea2bfb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.966495][  T283] RAX: ffffffffffffffda RBX: 00007ffcea2c0250 RCX: 00007ff534bf81e7
[   20.967523][  T283] RDX: 0000000000000000 RSI: 00007ffcea2bfb80 RDI: 0000000000000005
[   20.968127][  T283] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.968881][  T283] R10: 00007ff534af5498 R11: 0000000000000246 R12: 0000000000000004
[   20.969846][  T283] R13: 00000000686e79c0 R14: 0000000000499600 R15: 0000000000000000
| [   21.877711][  T289] ------------[ cut here ]------------
| [ 21.878028][ T289] WARNING: CPU: 1 PID: 289 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) 
| [   21.878600][  T289] Modules linked in: veth
| [   21.879411][  T289] Tainted: [W]=WARN
[   21.879631][  T289] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.879980][ T289] 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) 
[ 21.880274][ T289] Code: 00 00 8b 05 67 1b 38 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 aa d0 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 67 1b 38 02    	mov    0x2381b67(%rip),%eax        # 0x2381b6f
   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 aa d0 79 00       	call   0x79d0cb
  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
[   21.881300][  T289] RSP: 0018:ffffc900005a7140 EFLAGS: 00010246
[   21.881652][  T289] RAX: 0000000000000000 RBX: ffff888005179000 RCX: 0000000000000001
[   21.883306][  T289] RDX: 0000000000000000 RSI: ffffffff8769f52e RDI: ffffffff86e5a5a0
[   21.883726][  T289] RBP: ffffc900005a7230 R08: ffff88800315a000 R09: 0000000000000000
[   21.884155][  T289] R10: ffffc900005a75c8 R11: ffffffff88459728 R12: 1ffff920000b4e2c
[   21.884572][  T289] R13: 0000000000000500 R14: ffffc900005a7880 R15: ffff888009f8bbe0
[   21.884985][  T289] FS:  00007f6eddfc3800(0000) GS:ffff8880a5b27000(0000) knlGS:0000000000000000
[   21.885487][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.885842][  T289] CR2: 00000000004e5aa0 CR3: 0000000008d03002 CR4: 0000000000772ef0
[   21.886272][  T289] PKRU: 55555554
[   21.886482][  T289] Call Trace:
[   21.886701][  T289]  <TASK>
[ 21.886850][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.887144][ T289] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.887422][ T289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.887704][ T289] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 21.887987][ T289] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 21.888275][ T289] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 21.888558][ T289] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 21.888840][ T289] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.889216][ T289] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.889494][ T289] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.889775][ T289] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.890067][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.890353][ T289] ? __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) 
[ 21.890629][ T289] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.890971][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.891264][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.891541][ T289] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.891821][ T289] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.892107][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.892384][ T289] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.892657][ T289] ? __create_object (mm/kmemleak.c:771) 
[ 21.892937][ T289] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.893239][ T289] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.893518][ T289] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.893861][ T289] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.894164][ T289] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.894448][ T289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.894724][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.895006][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.895296][ T289] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.895569][ T289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.895848][ T289] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.896134][ T289] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.896426][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.896720][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.897001][ T289] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.897305][ T289] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.897585][ T289] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.897871][ T289] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.898158][ T289] ? 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) 
[ 21.898444][ T289] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 21.898725][ T289] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.899011][ T289] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.899304][ T289] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.899584][ T289] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.899863][ T289] ? _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) 
[ 21.900157][ T289] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.900443][ T289] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.900721][ T289] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.901096][ T289] ___sys_sendmsg (net/socket.c:2670) 
[ 21.901374][ T289] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.901652][ T289] ? __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) 
[ 21.901999][ T289] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.902291][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.902576][ T289] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.902870][ T289] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.903184][ T289] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.903462][ T289] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.903745][ T289] __sys_sendmsg (net/socket.c:2700) 
[ 21.904021][ T289] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.904376][ T289] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.904672][ T289] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.904949][ T289] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.905250][ T289] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.905591][  T289] RIP: 0033:0x7f6ede1901e7
[ 21.905880][ T289] 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)
[   21.906894][  T289] RSP: 002b:00007ffc9a85a818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.907321][  T289] RAX: ffffffffffffffda RBX: 00007ffc9a85af50 RCX: 00007f6ede1901e7
[   21.907735][  T289] RDX: 0000000000000000 RSI: 00007ffc9a85a880 RDI: 0000000000000005
[   21.908160][  T289] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   21.908579][  T289] R10: 00007f6ede08d498 R11: 0000000000000246 R12: 0000000000000003


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