======================================
| 0
| xx__-> [   18.848170][  T303] ------------[ cut here ]------------
| [ 18.848745][ T303] WARNING: CPU: 1 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) 
| [   18.849323][  T303] Modules linked in: vrf veth
[   18.850160][  T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.850530][ 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) 
[ 18.850839][ T303] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   18.853233][  T303] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   18.853729][  T303] RAX: 0000000000000000 RBX: ffff88800bcac000 RCX: 0000000000000001
[   18.854150][  T303] RDX: 0000000000000000 RSI: ffffffff8fa9b941 RDI: ffffffff8f2555e0
[   18.854708][  T303] RBP: ffffc900005c7230 R08: ffff888008b56800 R09: 0000000000000000
[   18.855124][  T303] R10: ffffc900005c75c8 R11: ffffffff90850668 R12: 1ffff920000b8e2c
[   18.855670][  T303] R13: 0000000000000500 R14: ffffc900005c7880 R15: ffff888008fe1fe0
[   18.856085][  T303] FS:  00007f85da706800(0000) GS:ffff88809d937000(0000) knlGS:0000000000000000
[   18.856648][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.857002][  T303] CR2: 00000000004e5ab0 CR3: 0000000002b2f006 CR4: 0000000000772ef0
[   18.857430][  T303] PKRU: 55555554
[   18.857643][  T303] Call Trace:
[   18.857851][  T303]  <TASK>
[ 18.857998][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.858305][ T303] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 18.858595][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.858876][ T303] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 18.859154][ T303] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 18.859446][ T303] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 18.859741][ T303] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 18.860036][ T303] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 18.860391][ T303] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 18.860671][ T303] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 18.860948][ T303] ? __kernel_text_address (kernel/extable.c:79) 
[ 18.861224][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.861516][ 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) 
[ 18.861796][ T303] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 18.862137][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.862436][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.862726][ T303] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 18.863010][ T303] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 18.863302][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.863588][ T303] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 18.863862][ T303] ? __create_object (mm/kmemleak.c:771) 
[ 18.864143][ T303] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 18.864624][ T303] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 18.864917][ T303] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 18.865260][ T303] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 18.865552][ T303] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 18.865833][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.866111][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.866411][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.866689][ T303] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 18.866965][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.867242][ T303] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 18.867525][ T303] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 18.867804][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.868084][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.868380][ T303] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 18.868666][ T303] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 18.868940][ T303] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 18.869226][ T303] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 18.869509][ 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) 
[ 18.869784][ T303] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 18.870058][ T303] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 18.870332][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.870634][ T303] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 18.870918][ T303] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 18.871197][ T303] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 18.871514][ T303] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 18.871809][ T303] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 18.872208][ T303] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 18.872576][ T303] ___sys_sendmsg (net/socket.c:2670) 
[ 18.872860][ T303] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 18.873150][ 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) 
[ 18.873500][ T303] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 18.873781][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.874056][ T303] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 18.874335][ T303] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 18.874627][ 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) 
[ 18.874920][ T303] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 18.875202][ T303] __sys_sendmsg (net/socket.c:2700) 
[ 18.875480][ T303] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 18.875815][ T303] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 18.876101][ T303] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 18.876382][ T303] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 18.876660][ T303] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   18.877012][  T303] RIP: 0033:0x7f85da8d31e7
[ 18.877304][ 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)
[   18.878298][  T303] RSP: 002b:00007ffcdac81f48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   18.878736][  T303] RAX: ffffffffffffffda RBX: 00007ffcdac82670 RCX: 00007f85da8d31e7
[   18.879163][  T303] RDX: 0000000000000000 RSI: 00007ffcdac81fb0 RDI: 0000000000000005
[   18.879584][  T303] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   18.880001][  T303] R10: 00007f85da7d0ee8 R11: 0000000000000246 R12: 0000000000000004
[   18.880433][  T303] R13: 00000000686e20d7 R14: 0000000000499600 R15: 0000000000000000
| [   20.007033][  T316] ------------[ cut here ]------------
| [ 20.007381][ T316] WARNING: CPU: 0 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) 
| [   20.007930][  T316] Modules linked in: vrf veth
| [   20.008802][  T316] Tainted: [W]=WARN
[   20.009014][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.009382][ 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) 
[ 20.009718][ T316] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   20.010729][  T316] RSP: 0018:ffffc90000537140 EFLAGS: 00010246
[   20.011080][  T316] RAX: 0000000000000000 RBX: ffff88800a6b1000 RCX: 0000000000000001
[   20.011529][  T316] RDX: 0000000000000000 RSI: ffffffff8fa9b941 RDI: ffffffff8f2555e0
[   20.011942][  T316] RBP: ffffc90000537230 R08: ffff88800af4d000 R09: 0000000000000000
[   20.012376][  T316] R10: ffffc900005375c8 R11: ffffffff90850668 R12: 1ffff920000a6e2c
[   20.012823][  T316] R13: 0000000000000500 R14: ffffc90000537880 R15: ffff888008fe26e0
[   20.013257][  T316] FS:  00007f40b2bdc800(0000) GS:ffff88809d8b7000(0000) knlGS:0000000000000000
[   20.013758][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.014106][  T316] CR2: 00000000004e5ab8 CR3: 000000000ae30002 CR4: 0000000000772ef0
[   20.014543][  T316] PKRU: 55555554
[   20.014751][  T316] Call Trace:
[   20.014955][  T316]  <TASK>
[ 20.015102][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.015413][ T316] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.015690][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.015968][ T316] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 20.016241][ T316] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 20.016538][ T316] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 20.016816][ T316] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 20.017096][ T316] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.017466][ T316] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.017746][ T316] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.018018][ T316] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.018304][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.018605][ 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) 
[ 20.018880][ T316] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.019220][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.019530][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.019808][ T316] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.020084][ T316] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.020372][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.020665][ T316] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.020937][ T316] ? __create_object (mm/kmemleak.c:771) 
[ 20.021215][ T316] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.021519][ T316] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.021800][ T316] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.022144][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.022442][ T316] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.022743][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.023027][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.023308][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.023615][ T316] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.023893][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.024170][ T316] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.024452][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.024743][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.025021][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.025300][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.025584][ T316] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.025874][ T316] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.026167][ T316] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.026450][ 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) 
[ 20.026745][ T316] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.027024][ T316] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.027301][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.027591][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.027885][ T316] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.028160][ T316] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.028454][ T316] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.028744][ T316] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.029026][ T316] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.029390][ T316] ___sys_sendmsg (net/socket.c:2670) 
[ 20.029665][ T316] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.029954][ 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) 
[ 20.030302][ T316] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.030593][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.030890][ T316] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.031174][ T316] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.031460][ 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) 
[ 20.031735][ T316] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.032032][ T316] __sys_sendmsg (net/socket.c:2700) 
[ 20.032307][ T316] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.032655][ T316] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.032972][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.033262][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.033546][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.033904][  T316] RIP: 0033:0x7f40b2da91e7
[ 20.034190][ 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)
[   20.035200][  T316] RSP: 002b:00007ffe39bbe318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.035641][  T316] RAX: ffffffffffffffda RBX: 00007ffe39bbea40 RCX: 00007f40b2da91e7
[   20.036070][  T316] RDX: 0000000000000000 RSI: 00007ffe39bbe380 RDI: 0000000000000005
[   20.036500][  T316] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   20.036939][  T316] R10: 00007f40b2ca6ee8 R11: 0000000000000246 R12: 0000000000000004
[   20.037378][  T316] R13: 00000000686e20d8 R14: 0000000000499600 R15: 0000000000000000
| [   46.242425][  T439] ------------[ cut here ]------------
| [ 46.242733][ 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) 
| [   46.243290][  T439] Modules linked in: xfrm_user vrf veth
| [   46.244154][  T439] Tainted: [W]=WARN
[   46.244381][  T439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.244726][ 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) 
[ 46.245013][ T439] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   46.246012][  T439] RSP: 0018:ffffc900005c7140 EFLAGS: 00010246
[   46.246373][  T439] RAX: 0000000000000000 RBX: ffff88800a6b1000 RCX: 0000000000000001
[   46.246785][  T439] RDX: 0000000000000000 RSI: ffffffff8fa9b941 RDI: ffffffff8f2555e0
[   46.247198][  T439] RBP: ffffc900005c7230 R08: ffff88800a2ca000 R09: 0000000000000000
[   46.247622][  T439] R10: ffffc900005c75c8 R11: ffffffff90850668 R12: 1ffff920000b8e2c
[   46.248033][  T439] R13: 00000000000005dc R14: ffffc900005c7880 R15: ffff88800adab860
[   46.248469][  T439] FS:  00007f4bd8bc5800(0000) GS:ffff88809da37000(0000) knlGS:0000000000000000
[   46.248948][  T439] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.249296][  T439] CR2: 00000000004e5ab8 CR3: 000000000af96006 CR4: 0000000000772ef0
[   46.249846][  T439] PKRU: 55555554
[   46.250053][  T439] Call Trace:
[   46.250261][  T439]  <TASK>
[ 46.250578][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.250861][ T439] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.251138][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.251576][ T439] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.251853][ T439] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.252130][ T439] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.252421][ T439] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.252701][ T439] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.253060][ T439] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.253337][ T439] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.253620][ T439] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.253898][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.254177][ 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) 
[ 46.254463][ T439] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.254809][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.255087][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.255375][ T439] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.255657][ T439] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.255934][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.256208][ T439] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.256488][ T439] ? __create_object (mm/kmemleak.c:771) 
[ 46.256767][ T439] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.257043][ T439] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.257322][ T439] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.257674][ T439] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.257959][ T439] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.258240][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.258528][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.258810][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.259087][ T439] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.259378][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.259661][ T439] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.259936][ T439] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.260213][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.260505][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.260795][ T439] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.261078][ T439] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.261380][ T439] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.261666][ T439] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.261939][ 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) 
[ 46.262216][ T439] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 46.262509][ T439] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.262784][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.263078][ T439] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.263370][ T439] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.263647][ T439] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.263927][ T439] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.264205][ T439] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.264491][ T439] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.264841][ T439] ___sys_sendmsg (net/socket.c:2670) 
[ 46.265117][ T439] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.265401][ 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) 
[ 46.265741][ T439] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.266020][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.266296][ T439] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.266587][ T439] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.266861][ 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) 
[ 46.267139][ T439] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.267434][ T439] __sys_sendmsg (net/socket.c:2700) 
[ 46.267706][ T439] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.268046][ T439] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.268333][ T439] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.268623][ T439] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.268905][ T439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.269250][  T439] RIP: 0033:0x7f4bd8d921e7
[ 46.269549][ 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)
[   46.270543][  T439] RSP: 002b:00007ffceac22718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.270958][  T439] RAX: ffffffffffffffda RBX: 00007ffceac22e40 RCX: 00007f4bd8d921e7
[   46.271385][  T439] RDX: 0000000000000000 RSI: 00007ffceac22780 RDI: 0000000000000005
[   46.271796][  T439] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   46.272205][  T439] R10: 00007f4bd8c8fee8 R11: 0000000000000246 R12: 0000000000000004
[   46.272624][  T439] R13: 00000000686e20f2 R14: 0000000000499600 R15: 0000000000000000
| [   47.240774][  T447] ------------[ cut here ]------------
| [ 47.241080][ 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) 
| [   47.241639][  T447] Modules linked in: xfrm_user vrf veth
| [   47.242499][  T447] Tainted: [W]=WARN
[   47.242713][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.243077][ 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) 
[ 47.243373][ T447] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 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 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   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 1a 63 7b 00       	call   0x7b633b
  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
[   47.244373][  T447] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   47.244729][  T447] RAX: 0000000000000000 RBX: ffff88800bcac000 RCX: 0000000000000001
[   47.245139][  T447] RDX: 0000000000000000 RSI: ffffffff8fa9b941 RDI: ffffffff8f2555e0
[   47.245969][  T447] RBP: ffffc90000967230 R08: ffff88800c332000 R09: 0000000000000000
[   47.246392][  T447] R10: ffffc900009675c8 R11: ffffffff90850668 R12: 1ffff9200012ce2c
[   47.246803][  T447] R13: 00000000000005dc R14: ffffc90000967880 R15: ffff88800be14e60
[   47.247211][  T447] FS:  00007fe69f411800(0000) GS:ffff88809da37000(0000) knlGS:0000000000000000
[   47.247703][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.248048][  T447] CR2: 00000000004e5ab0 CR3: 000000000bd31003 CR4: 0000000000772ef0
[   47.248469][  T447] PKRU: 55555554
[   47.248677][  T447] Call Trace:
[   47.248883][  T447]  <TASK>
[ 47.249023][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.249304][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.249592][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.249871][ T447] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 47.250149][ T447] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 47.250437][ T447] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 47.250717][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 47.251003][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.251368][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.251651][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.251927][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.252207][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.252496][ 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) 
[ 47.252773][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.253120][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.253407][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.253688][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.253961][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.254236][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.254521][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.254789][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 47.255063][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.255338][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.255623][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.255966][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.256256][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.256547][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.256824][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.257107][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.257390][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.257661][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.257942][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.258216][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.258503][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.258784][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.259068][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.259343][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.259632][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.259919][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.260199][ 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) 
[ 47.260498][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 47.260803][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.261078][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.261371][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.261649][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.261925][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.262214][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.262502][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.262775][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.263137][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 47.263419][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.263693][ 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) 
[ 47.264038][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.264322][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.264609][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.264892][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.265173][ 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) 
[ 47.265455][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.265737][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 47.266007][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.266365][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.266654][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.266933][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.267211][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.267564][  T447] RIP: 0033:0x7fe69f5de1e7
[ 47.267850][ 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)
[   47.268850][  T447] RSP: 002b:00007ffdf7875e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.269265][  T447] RAX: ffffffffffffffda RBX: 00007ffdf7876530 RCX: 00007fe69f5de1e7
[   47.269686][  T447] RDX: 0000000000000000 RSI: 00007ffdf7875e70 RDI: 0000000000000005
[   47.270101][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   47.270524][  T447] R10: 00007fe69f4dbee8 R11: 0000000000000246 R12: 0000000000000004


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