======================================
| 0
| xx__-> [   19.073111][  T303] ------------[ cut here ]------------
| [ 19.074226][ T303] WARNING: CPU: 2 PID: 303 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   19.074871][  T303] Modules linked in: vrf veth
[   19.075782][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.076157][ T303] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 19.076475][ T303] 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
[   19.077499][  T303] RSP: 0018:ffffc90000b67140 EFLAGS: 00010246
[   19.077873][  T303] RAX: 0000000000000000 RBX: ffff88800908c000 RCX: 0000000000000001
[   19.078310][  T303] RDX: 0000000000000000 RSI: ffffffff8d29b939 RDI: ffffffff8ca555e0
[   19.078760][  T303] RBP: ffffc90000b67230 R08: ffff88800a6b0800 R09: 0000000000000000
[   19.079200][  T303] R10: ffffc90000b675c8 R11: ffffffff8e050668 R12: 1ffff9200016ce2c
[   19.079646][  T303] R13: 0000000000000500 R14: ffffc90000b67880 R15: ffff88800b4f6360
[   19.080076][  T303] FS:  00007fd5cfbc4800(0000) GS:ffff8880a6fb7000(0000) knlGS:0000000000000000
[   19.080587][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.080960][  T303] CR2: 00000000004e5ab0 CR3: 0000000005112001 CR4: 0000000000772ef0
[   19.081401][  T303] PKRU: 55555554
[   19.081631][  T303] Call Trace:
[   19.081861][  T303]  <TASK>
[ 19.082019][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.082336][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 19.082635][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.083228][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 19.083541][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 19.083846][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 19.084155][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 19.084478][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 19.084849][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 19.085142][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 19.085452][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 19.085745][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.086041][ T303] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 19.086341][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 19.086762][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.087073][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.087368][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 19.087661][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 19.087962][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.088254][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 19.088550][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 19.088850][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 19.089144][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 19.089456][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.089811][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 19.090110][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 19.090411][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.090710][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.091005][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.091298][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 19.091599][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.091893][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 19.092181][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 19.092505][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.092799][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.093093][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 19.093409][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 19.093701][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 19.094005][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 19.094293][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 19.094596][ T303] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 19.094889][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 19.095175][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.095492][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 19.095785][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 19.096078][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 19.096397][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 19.096701][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 19.096993][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 19.097389][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 19.097678][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 19.097965][ T303] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 19.098319][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 19.098617][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.098908][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 19.099200][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 19.099507][ T303] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 19.099804][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 19.100101][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 19.100398][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 19.100753][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 19.101051][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 19.101345][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 19.101642][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.102002][  T303] RIP: 0033:0x7fd5cfd911e7
[ 19.102312][ T303] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   19.103319][  T303] RSP: 002b:00007fff1e671c28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   19.103765][  T303] RAX: ffffffffffffffda RBX: 00007fff1e672350 RCX: 00007fd5cfd911e7
[   19.104193][  T303] RDX: 0000000000000000 RSI: 00007fff1e671c90 RDI: 0000000000000005
[   19.104632][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   19.105060][  T303] R10: 00007fd5cfc8eee8 R11: 0000000000000246 R12: 0000000000000004
[   19.105508][  T303] R13: 00000000686e6972 R14: 0000000000499600 R15: 0000000000000000
| [   20.247757][  T316] ------------[ cut here ]------------
| [ 20.248102][ T316] WARNING: CPU: 3 PID: 316 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) 
| [   20.248691][  T316] Modules linked in: vrf veth
| [   20.250450][  T316] Tainted: [W]=WARN
[   20.250689][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.251036][ T316] 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) 
[ 20.251348][ T316] 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
[   20.252406][  T316] RSP: 0018:ffffc900007d7140 EFLAGS: 00010246
[   20.252768][  T316] RAX: 0000000000000000 RBX: ffff8880057e1000 RCX: 0000000000000001
[   20.253198][  T316] RDX: 0000000000000000 RSI: ffffffff8d29b939 RDI: ffffffff8ca555e0
[   20.253665][  T316] RBP: ffffc900007d7230 R08: ffff88800aafd000 R09: 0000000000000000
[   20.254082][  T316] R10: ffffc900007d75c8 R11: ffffffff8e050668 R12: 1ffff920000fae2c
[   20.254526][  T316] R13: 0000000000000500 R14: ffffc900007d7880 R15: ffff88800ba80760
[   20.254956][  T316] FS:  00007f0163002800(0000) GS:ffff8880a7037000(0000) knlGS:0000000000000000
[   20.255512][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.255871][  T316] CR2: 00000000004e5ab8 CR3: 00000000031d0004 CR4: 0000000000772ef0
[   20.256291][  T316] PKRU: 55555554
[   20.256536][  T316] Call Trace:
[   20.256769][  T316]  <TASK>
[ 20.256916][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.257217][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.257518][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.257819][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.258100][ T316] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.258394][ T316] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.258693][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.258993][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.259349][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.259664][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.259944][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.260226][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.260522][ T316] ? __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) 
[ 20.260815][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.261165][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.261461][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.261747][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.262023][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.262305][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.262609][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.262919][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 20.263201][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.263507][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.263799][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.264143][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.264436][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.264720][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.265006][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.265297][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.265596][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.265894][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.266174][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.266461][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.266740][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.267062][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.267392][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.267692][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.267991][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.268299][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.268585][ T316] ? 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) 
[ 20.268876][ T316] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 20.269196][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.269484][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.269766][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.270089][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.270392][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.270708][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.271009][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.271284][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.271674][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.271963][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.272250][ T316] ? __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) 
[ 20.272629][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.272908][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.273212][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.273548][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.273825][ T316] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.274133][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.274452][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.274728][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.275100][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.275424][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.275736][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.276022][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.276410][  T316] RIP: 0033:0x7f01631cf1e7
[ 20.276775][ T316] 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)
[   20.277838][  T316] RSP: 002b:00007ffdbfa3b918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.278286][  T316] RAX: ffffffffffffffda RBX: 00007ffdbfa3c040 RCX: 00007f01631cf1e7
[   20.278744][  T316] RDX: 0000000000000000 RSI: 00007ffdbfa3b980 RDI: 0000000000000005
[   20.279171][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.279600][  T316] R10: 00007f01630ccee8 R11: 0000000000000246 R12: 0000000000000004
[   20.280014][  T316] R13: 00000000686e6974 R14: 0000000000499600 R15: 0000000000000000
| [   46.717451][  T439] ------------[ cut here ]------------
| [ 46.717804][ T439] WARNING: CPU: 3 PID: 439 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) 
| [   46.718403][  T439] Modules linked in: xfrm_user vrf veth
| [   46.719309][  T439] Tainted: [W]=WARN
[   46.719543][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.719907][ T439] 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) 
[ 46.720208][ T439] 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
[   46.721211][  T439] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   46.721582][  T439] RAX: 0000000000000000 RBX: ffff8880057e1000 RCX: 0000000000000001
[   46.721999][  T439] RDX: 0000000000000000 RSI: ffffffff8d29b939 RDI: ffffffff8ca555e0
[   46.722429][  T439] RBP: ffffc90000507230 R08: ffff88800a77d000 R09: 0000000000000000
[   46.722865][  T439] R10: ffffc900005075c8 R11: ffffffff8e050668 R12: 1ffff920000a0e2c
[   46.723295][  T439] R13: 00000000000005dc R14: ffffc90000507880 R15: ffff88800a770060
[   46.724197][  T439] FS:  00007f861dcc7800(0000) GS:ffff8880a7037000(0000) knlGS:0000000000000000
[   46.724691][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.725037][  T439] CR2: 00000000004e5ab8 CR3: 0000000004fbe003 CR4: 0000000000772ef0
[   46.725488][  T439] PKRU: 55555554
[   46.725708][  T439] Call Trace:
[   46.725915][  T439]  <TASK>
[ 46.726060][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.726355][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.726645][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.726926][ T439] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.727207][ T439] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.727506][ T439] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.727806][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.728107][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.728489][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.728784][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.729079][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.729394][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.729682][ T439] ? __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) 
[ 46.729958][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.730297][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.730593][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.730887][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.731163][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.731453][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.731732][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.732013][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.732293][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.732649][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.732934][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.733215][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.733500][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.733784][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.734061][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.734333][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.734626][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.734901][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.735179][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.735475][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.735764][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.736048][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.736324][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.736629][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.736918][ T439] ? 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) 
[ 46.737197][ T439] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.737485][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.737762][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.738040][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.738318][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.738610][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.738902][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.739188][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.739473][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.739829][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 46.740102][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.740392][ T439] ? __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) 
[ 46.740746][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.741030][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.741312][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.741602][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.741876][ T439] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.742151][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.742452][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 46.742728][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.743069][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.743377][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.743655][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.743931][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.744274][  T439] RIP: 0033:0x7f861de941e7
[ 46.744579][ T439] 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)
[   46.745585][  T439] RSP: 002b:00007ffdcb3de648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.746004][  T439] RAX: ffffffffffffffda RBX: 00007ffdcb3ded70 RCX: 00007f861de941e7
[   46.746427][  T439] RDX: 0000000000000000 RSI: 00007ffdcb3de6b0 RDI: 0000000000000005
[   46.746839][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   46.747256][  T439] R10: 00007f861dd91ee8 R11: 0000000000000246 R12: 0000000000000004
[   46.747680][  T439] R13: 00000000686e698e R14: 0000000000499600 R15: 0000000000000000
| [   47.727083][  T447] ------------[ cut here ]------------
| [ 47.727431][ T447] WARNING: CPU: 3 PID: 447 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) 
| [   47.727986][  T447] Modules linked in: xfrm_user vrf veth
| [   47.728858][  T447] Tainted: [W]=WARN
[   47.729067][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.729420][ T447] 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) 
[ 47.729712][ T447] 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
[   47.730715][  T447] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   47.731064][  T447] RAX: 0000000000000000 RBX: ffff88800908c000 RCX: 0000000000000001
[   47.731484][  T447] RDX: 0000000000000000 RSI: ffffffff8d29b939 RDI: ffffffff8ca555e0
[   47.731898][  T447] RBP: ffffc900005c7230 R08: ffff88800abcd000 R09: 0000000000000000
[   47.732312][  T447] R10: ffffc900005c75c8 R11: ffffffff8e050668 R12: 1ffff920000b8e2c
[   47.734179][  T447] R13: 00000000000005dc R14: ffffc900005c7880 R15: ffff88800b4f66e0
[   47.734611][  T447] FS:  00007f797a2d3800(0000) GS:ffff8880a7037000(0000) knlGS:0000000000000000
[   47.735090][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.735453][  T447] CR2: 00000000004e5ab0 CR3: 000000000920c005 CR4: 0000000000772ef0
[   47.735875][  T447] PKRU: 55555554
[   47.736081][  T447] Call Trace:
[   47.736288][  T447]  <TASK>
[ 47.736438][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.736719][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.736992][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.737270][ T447] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.737562][ T447] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 47.737839][ T447] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 47.738119][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 47.738407][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.738756][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.739030][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.739302][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.739597][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.739875][ T447] ? __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) 
[ 47.740151][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.740499][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.740779][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.741052][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.741329][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.741621][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.741893][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.742163][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 47.742448][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.742731][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.743004][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.743345][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.743634][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.743919][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.744196][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.744483][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.744757][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.745027][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.745309][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.745593][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.745870][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.746153][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.746443][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.746725][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.747000][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.747289][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.747571][ T447] ? 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) 
[ 47.747863][ T447] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 47.748148][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.748430][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.748710][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.748991][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.749267][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.749558][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.749839][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.750116][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.750475][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 47.750749][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.751024][ T447] ? __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) 
[ 47.751378][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.751656][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.751934][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.752217][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.752499][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.752772][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.753054][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 47.753324][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.753673][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.753961][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.754237][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.754520][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.754860][  T447] RIP: 0033:0x7f797a4a01e7
[ 47.755145][ T447] 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)
[   47.756147][  T447] RSP: 002b:00007fff7c4b1bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.756571][  T447] RAX: ffffffffffffffda RBX: 00007fff7c4b2320 RCX: 00007f797a4a01e7
[   47.756983][  T447] RDX: 0000000000000000 RSI: 00007fff7c4b1c60 RDI: 0000000000000005
[   47.757406][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   47.757816][  T447] R10: 00007f797a39dee8 R11: 0000000000000246 R12: 0000000000000004


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