======================================
| 0
| xx__-> [   42.632566][  T499] ------------[ cut here ]------------
| [ 42.633033][ T499] WARNING: CPU: 1 PID: 499 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) 
| [   42.633631][  T499] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
[   42.635040][  T499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.635408][ T499] 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) 
[ 42.635710][ T499] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   42.636767][  T499] RSP: 0018:ffffc90001037140 EFLAGS: 00010246
[   42.637301][  T499] RAX: 0000000000000000 RBX: ffff88800a1fc000 RCX: 0000000000000001
[   42.637734][  T499] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   42.638302][  T499] RBP: ffffc90001037228 R08: ffff88800bb5d000 R09: 0000000000000000
[   42.638738][  T499] R10: ffffc900010375c8 R11: ffffffff90273028 R12: 1ffff92000206e2c
[   42.639308][  T499] R13: 00000000000005dc R14: ffffc90001037880 R15: ffff888009eb7be0
[   42.639742][  T499] FS:  00007f47ff529800(0000) GS:ffff8880dba19000(0000) knlGS:0000000000000000
[   42.640395][  T499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.640755][  T499] CR2: 00000000004e5840 CR3: 000000000df54002 CR4: 0000000000772ef0
[   42.641364][  T499] PKRU: 55555554
[   42.641584][  T499] Call Trace:
[   42.641802][  T499]  <TASK>
[ 42.641965][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.642399][ T499] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.642688][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.642982][ T499] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.643291][ T499] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.643587][ T499] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.643890][ T499] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.644206][ T499] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.644579][ T499] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.644877][ T499] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.645179][ T499] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.645474][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.645767][ T499] ? __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) 
[ 42.646068][ T499] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.646433][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.646725][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.647027][ T499] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.647327][ T499] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.647628][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.647926][ T499] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.648244][ T499] ? __create_object (mm/kmemleak.c:771) 
[ 42.648541][ T499] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.648834][ T499] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.649136][ T499] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.649712][ T499] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.650237][ T499] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.650540][ T499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.650832][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.651141][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.651439][ T499] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.651727][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.652032][ T499] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.652328][ T499] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.652621][ T499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.652916][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.653227][ T499] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.653538][ T499] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.653831][ T499] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.654152][ T499] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.654442][ T499] ? 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) 
[ 42.654735][ T499] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 42.655038][ T499] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.655328][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.655625][ T499] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.655917][ T499] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.656225][ T499] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.656523][ T499] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.656822][ T499] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.657118][ T499] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.657492][ T499] ___sys_sendmsg (net/socket.c:2670) 
[ 42.657781][ T499] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.658082][ T499] ? __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) 
[ 42.658457][ T499] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.658751][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.659050][ T499] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.659354][ T499] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.659643][ T499] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.659937][ T499] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.660244][ T499] __sys_sendmsg (net/socket.c:2700) 
[ 42.660539][ T499] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.660900][ T499] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.661214][ T499] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.661506][ T499] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.661800][ T499] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.662175][  T499] RIP: 0033:0x7f47ff6f61e7
[ 42.662480][ T499] 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)
[   42.663530][  T499] RSP: 002b:00007ffda3815c58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.663972][  T499] RAX: ffffffffffffffda RBX: 00007ffda3816380 RCX: 00007f47ff6f61e7
[   42.664417][  T499] RDX: 0000000000000000 RSI: 00007ffda3815cc0 RDI: 0000000000000005
[   42.664860][  T499] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.665304][  T499] R10: 00007f47ff5f3ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.665742][  T499] R13: 00000000686e77b1 R14: 0000000000499600 R15: 0000000000000000
| [   43.828388][  T508] ------------[ cut here ]------------
| [ 43.828728][ T508] WARNING: CPU: 2 PID: 508 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) 
| [   43.830793][  T508] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   43.832044][  T508] Tainted: [W]=WARN
[   43.832279][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.832634][ T508] 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) 
[ 43.832931][ T508] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   43.833932][  T508] RSP: 0018:ffffc90001077140 EFLAGS: 00010246
[   43.834309][  T508] RAX: 0000000000000000 RBX: ffff88800beb9000 RCX: 0000000000000001
[   43.834730][  T508] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   43.835160][  T508] RBP: ffffc90001077228 R08: ffff88800eb48800 R09: 0000000000000000
[   43.835590][  T508] R10: ffffc900010775c8 R11: ffffffff90273028 R12: 1ffff9200020ee2c
[   43.836020][  T508] R13: 00000000000005dc R14: ffffc90001077880 R15: ffff88800ec3c060
[   43.836443][  T508] FS:  00007f55842a8800(0000) GS:ffff8880dba99000(0000) knlGS:0000000000000000
[   43.836935][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.837300][  T508] CR2: 00000000004e5840 CR3: 000000000e12b001 CR4: 0000000000772ef0
[   43.837772][  T508] PKRU: 55555554
[   43.837990][  T508] Call Trace:
[   43.838218][  T508]  <TASK>
[ 43.838370][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.838661][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.838947][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.839257][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.839551][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.839836][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.840139][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.840429][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.840789][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.841083][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.841367][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.841662][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.841954][ T508] ? __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) 
[ 43.842249][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.842602][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.842887][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.843180][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.843463][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.843756][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.844049][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.844336][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.844622][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.844910][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.845207][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.845560][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.845853][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.846159][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.846446][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.846738][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.847033][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.847317][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.847605][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.847889][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.848188][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.848483][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.848775][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.849067][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.849365][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.849663][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.849948][ T508] ? 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) 
[ 43.850249][ T508] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 43.850540][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.850827][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.851128][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.851418][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.851707][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.852000][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.852304][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.852590][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.852956][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.853246][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.853534][ T508] ? __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) 
[ 43.853886][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.854188][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.854478][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.854777][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.855072][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.855359][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.855654][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.855939][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.856302][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.856601][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.856894][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.857193][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.857547][  T508] RIP: 0033:0x7f55844751e7
[ 43.857841][ T508] 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)
[   43.858847][  T508] RSP: 002b:00007ffc7c570d78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.859288][  T508] RAX: ffffffffffffffda RBX: 00007ffc7c5714a0 RCX: 00007f55844751e7
[   43.859715][  T508] RDX: 0000000000000000 RSI: 00007ffc7c570de0 RDI: 0000000000000005
[   43.860148][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.860569][  T508] R10: 00007f5584372ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.860996][  T508] R13: 00000000686e77b2 R14: 0000000000499600 R15: 0000000000000000
| [   45.046283][  T518] ------------[ cut here ]------------
| [ 45.046598][ T518] WARNING: CPU: 1 PID: 518 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) 
| [   45.048643][  T518] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   45.050169][  T518] Tainted: [W]=WARN
[   45.050378][  T518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.050724][ T518] 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) 
[ 45.051018][ T518] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   45.051993][  T518] RSP: 0018:ffffc900010b7140 EFLAGS: 00010246
[   45.052345][  T518] RAX: 0000000000000000 RBX: ffff88800e1d1000 RCX: 0000000000000001
[   45.052757][  T518] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   45.053173][  T518] RBP: ffffc900010b7228 R08: ffff888008f8b800 R09: 0000000000000000
[   45.053582][  T518] R10: ffffc900010b75c8 R11: ffffffff90273028 R12: 1ffff92000216e2c
[   45.053987][  T518] R13: 00000000000005dc R14: ffffc900010b7880 R15: ffff88800a81f860
[   45.054409][  T518] FS:  00007fdfcc172800(0000) GS:ffff8880dba19000(0000) knlGS:0000000000000000
[   45.054885][  T518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.055236][  T518] CR2: 00000000004e5840 CR3: 000000000cb33001 CR4: 0000000000772ef0
[   45.055646][  T518] PKRU: 55555554
[   45.055849][  T518] Call Trace:
[   45.056059][  T518]  <TASK>
[ 45.056203][ T518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.056482][ T518] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 45.056751][ T518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.057035][ T518] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 45.057310][ T518] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 45.057581][ T518] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 45.057857][ T518] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 45.058147][ T518] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 45.058492][ T518] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 45.058763][ T518] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 45.059041][ T518] ? __kernel_text_address (kernel/extable.c:79) 
[ 45.059322][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.059598][ T518] ? __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) 
[ 45.059875][ T518] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 45.060225][ T518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.060620][ T518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.061095][ T518] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 45.061452][ T518] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 45.061727][ T518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.062003][ T518] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 45.062292][ T518] ? __create_object (mm/kmemleak.c:771) 
[ 45.062572][ T518] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 45.062844][ T518] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 45.063127][ T518] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 45.063464][ T518] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 45.063746][ T518] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 45.064034][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.064308][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.064588][ T518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.064867][ T518] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 45.065148][ T518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.065425][ T518] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 45.065699][ T518] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 45.065974][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.066259][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.066537][ T518] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 45.066810][ T518] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 45.067095][ T518] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 45.067382][ T518] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 45.067655][ T518] ? 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) 
[ 45.067931][ T518] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 45.068217][ T518] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 45.068491][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.068772][ T518] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 45.069058][ T518] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 45.069352][ T518] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 45.069632][ T518] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 45.069908][ T518] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 45.070186][ T518] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 45.070540][ T518] ___sys_sendmsg (net/socket.c:2670) 
[ 45.070812][ T518] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 45.071094][ T518] ? __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) 
[ 45.071435][ T518] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 45.071712][ T518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.071989][ T518] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 45.072275][ T518] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 45.072547][ T518] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 45.072820][ T518] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 45.073114][ T518] __sys_sendmsg (net/socket.c:2700) 
[ 45.073385][ T518] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 45.073724][ T518] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 45.074022][ T518] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 45.074303][ T518] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 45.074578][ T518] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   45.074915][  T518] RIP: 0033:0x7fdfcc33f1e7
[ 45.075207][ T518] 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)
[   45.076190][  T518] RSP: 002b:00007ffdd5c656b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   45.076602][  T518] RAX: ffffffffffffffda RBX: 00007ffdd5c65de0 RCX: 00007fdfcc33f1e7
[   45.077027][  T518] RDX: 0000000000000000 RSI: 00007ffdd5c65720 RDI: 0000000000000005
[   45.077437][  T518] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   45.077844][  T518] R10: 00007fdfcc23cee8 R11: 0000000000000246 R12: 0000000000000004
[   45.078260][  T518] R13: 00000000686e77b3 R14: 0000000000499600 R15: 0000000000000000
| [   46.270478][  T527] ------------[ cut here ]------------
| [ 46.270816][ T527] WARNING: CPU: 3 PID: 527 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) 
| [   46.272294][  T527] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   46.273564][  T527] Tainted: [W]=WARN
[   46.273783][  T527] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 46.274155][ T527] 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) 
[ 46.274453][ T527] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   46.275497][  T527] RSP: 0018:ffffc900010e7140 EFLAGS: 00010246
[   46.275866][  T527] RAX: 0000000000000000 RBX: ffff888008f4c000 RCX: 0000000000000001
[   46.276304][  T527] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   46.276739][  T527] RBP: ffffc900010e7228 R08: ffff88800e8b0800 R09: 0000000000000000
[   46.277184][  T527] R10: ffffc900010e75c8 R11: ffffffff90273028 R12: 1ffff9200021ce2c
[   46.277618][  T527] R13: 00000000000005dc R14: ffffc900010e7880 R15: ffff88800e1cdfe0
[   46.278069][  T527] FS:  00007f61bb28a800(0000) GS:ffff8880dbb19000(0000) knlGS:0000000000000000
[   46.278582][  T527] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.278952][  T527] CR2: 00000000004e5840 CR3: 000000000b521004 CR4: 0000000000772ef0
[   46.279407][  T527] PKRU: 55555554
[   46.279629][  T527] Call Trace:
[   46.279844][  T527]  <TASK>
[ 46.279992][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.280298][ T527] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 46.280581][ T527] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.280874][ T527] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 46.281178][ T527] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 46.281470][ T527] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 46.281771][ T527] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 46.282085][ T527] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 46.282455][ T527] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 46.282756][ T527] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 46.283057][ T527] ? __kernel_text_address (kernel/extable.c:79) 
[ 46.283348][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.283640][ T527] ? __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) 
[ 46.283936][ T527] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 46.284305][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.284597][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.284885][ T527] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 46.285185][ T527] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 46.285480][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.285768][ T527] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 46.286067][ T527] ? __create_object (mm/kmemleak.c:771) 
[ 46.286360][ T527] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 46.286649][ T527] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 46.286941][ T527] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 46.287321][ T527] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 46.287619][ T527] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 46.287918][ T527] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.288216][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.288514][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.288810][ T527] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 46.289116][ T527] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.289427][ T527] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 46.289720][ T527] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 46.290021][ T527] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.290318][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.290612][ T527] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 46.290905][ T527] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 46.291204][ T527] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 46.291509][ T527] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 46.291799][ T527] ? 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) 
[ 46.292099][ T527] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 46.292389][ T527] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 46.292677][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.292971][ T527] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 46.293273][ T527] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 46.293561][ T527] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 46.293864][ T527] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 46.294164][ T527] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 46.294453][ T527] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 46.294821][ T527] ___sys_sendmsg (net/socket.c:2670) 
[ 46.295117][ T527] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 46.295402][ T527] ? __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) 
[ 46.295761][ T527] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 46.296068][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.296362][ T527] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 46.296652][ T527] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 46.296940][ T527] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 46.297236][ T527] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 46.297530][ T527] __sys_sendmsg (net/socket.c:2700) 
[ 46.297814][ T527] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 46.298175][ T527] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 46.298480][ T527] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 46.298769][ T527] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 46.299071][ T527] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   46.299433][  T527] RIP: 0033:0x7f61bb4571e7
[ 46.299730][ T527] 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)
[   46.300763][  T527] RSP: 002b:00007ffde87deb68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   46.301207][  T527] RAX: ffffffffffffffda RBX: 00007ffde87df290 RCX: 00007f61bb4571e7
[   46.301639][  T527] RDX: 0000000000000000 RSI: 00007ffde87debd0 RDI: 0000000000000005
[   46.302078][  T527] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   46.302516][  T527] R10: 00007f61bb354ee8 R11: 0000000000000246 R12: 0000000000000004
[   46.302945][  T527] R13: 00000000686e77b4 R14: 0000000000499600 R15: 0000000000000000
| [   50.565448][  T561] ------------[ cut here ]------------
| [ 50.565777][ T561] WARNING: CPU: 3 PID: 561 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) 
| [   50.566365][  T561] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   50.567624][  T561] Tainted: [W]=WARN
[   50.567848][  T561] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.568227][ T561] 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) 
[ 50.568527][ T561] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   50.569591][  T561] RSP: 0018:ffffc90001207140 EFLAGS: 00010246
[   50.569958][  T561] RAX: 0000000000000000 RBX: ffff888007cd1000 RCX: 0000000000000001
[   50.570549][  T561] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   50.570982][  T561] RBP: ffffc90001207228 R08: ffff88800eadb800 R09: 0000000000000000
[   50.571423][  T561] R10: ffffc900012075c8 R11: ffffffff90273028 R12: 1ffff92000240e2c
[   50.571859][  T561] R13: 00000000000005dc R14: ffffc90001207880 R15: ffff88800b3ef4e0
[   50.572301][  T561] FS:  00007f92e20fe800(0000) GS:ffff8880dbb19000(0000) knlGS:0000000000000000
[   50.572810][  T561] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.573179][  T561] CR2: 00000000004e5840 CR3: 000000000a92f005 CR4: 0000000000772ef0
[   50.573621][  T561] PKRU: 55555554
[   50.573839][  T561] Call Trace:
[   50.574062][  T561]  <TASK>
[ 50.574215][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.574517][ T561] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 50.574807][ T561] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.575109][ T561] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 50.575407][ T561] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 50.575695][ T561] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 50.575986][ T561] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 50.576289][ T561] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 50.576655][ T561] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 50.576941][ T561] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 50.577236][ T561] ? __kernel_text_address (kernel/extable.c:79) 
[ 50.577528][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.577823][ T561] ? __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) 
[ 50.578122][ T561] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 50.578485][ T561] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.578778][ T561] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.579080][ T561] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 50.579386][ T561] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 50.579684][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.579975][ T561] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 50.580277][ T561] ? __create_object (mm/kmemleak.c:771) 
[ 50.580572][ T561] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 50.580861][ T561] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 50.581163][ T561] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 50.581522][ T561] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 50.581816][ T561] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 50.582118][ T561] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.582406][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.582698][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.582984][ T561] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 50.583280][ T561] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.583575][ T561] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 50.583862][ T561] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 50.584165][ T561] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.584456][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.584755][ T561] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 50.585052][ T561] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 50.585347][ T561] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 50.585656][ T561] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 50.585941][ T561] ? 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) 
[ 50.586239][ T561] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 50.586532][ T561] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 50.586818][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.587120][ T561] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 50.587409][ T561] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 50.587702][ T561] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 50.587995][ T561] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 50.588299][ T561] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 50.588586][ T561] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 50.588956][ T561] ___sys_sendmsg (net/socket.c:2670) 
[ 50.589270][ T561] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 50.589562][ T561] ? __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) 
[ 50.589928][ T561] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 50.590228][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.590520][ T561] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 50.590814][ T561] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 50.591107][ T561] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 50.591395][ T561] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 50.591690][ T561] __sys_sendmsg (net/socket.c:2700) 
[ 50.591981][ T561] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 50.592344][ T561] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 50.592646][ T561] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 50.592937][ T561] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 50.593237][ T561] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   50.593593][  T561] RIP: 0033:0x7f92e22cb1e7
[ 50.593889][ T561] 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)
[   50.594928][  T561] RSP: 002b:00007ffe8a416ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   50.595370][  T561] RAX: ffffffffffffffda RBX: 00007ffe8a417410 RCX: 00007f92e22cb1e7
[   50.595801][  T561] RDX: 0000000000000000 RSI: 00007ffe8a416d50 RDI: 0000000000000005
[   50.596249][  T561] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   50.596680][  T561] R10: 00007f92e21c8ee8 R11: 0000000000000246 R12: 0000000000000004
[   50.597116][  T561] R13: 00000000686e77b9 R14: 0000000000499600 R15: 0000000000000000
| [   51.819423][  T570] ------------[ cut here ]------------
| [ 51.819805][ T570] WARNING: CPU: 0 PID: 570 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) 
| [   51.821363][  T570] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
| [   51.823292][  T570] Tainted: [W]=WARN
[   51.823659][  T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.824259][ T570] 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) 
[ 51.824751][ T570] Code: 00 00 8b 05 77 04 bc 02 85 c0 0f 84 52 fe ff ff 48 8d bb c0 0c 00 00 be ff ff ff ff e8 da fc 9b 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 77 04 bc 02    	mov    0x2bc0477(%rip),%eax        # 0x2bc047f
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb c0 0c 00 00 	lea    0xcc0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 da fc 9b 00       	call   0x9bfcfb
  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
[   51.826473][  T570] RSP: 0018:ffffc90001247140 EFLAGS: 00010246
[   51.827084][  T570] RAX: 0000000000000000 RBX: ffff88800e15c000 RCX: 0000000000000001
[   51.827793][  T570] RDX: 0000000000000000 RSI: ffffffff8ef10751 RDI: ffffffff8e658280
[   51.828507][  T570] RBP: ffffc90001247228 R08: ffff88800db8d000 R09: 0000000000000000
[   51.829232][  T570] R10: ffffc900012475c8 R11: ffffffff90273028 R12: 1ffff92000248e2c
[   51.829953][  T570] R13: 00000000000005dc R14: ffffc90001247880 R15: ffff88800a822360
[   51.830676][  T570] FS:  00007f4b4224e800(0000) GS:ffff8880db999000(0000) knlGS:0000000000000000
[   51.831520][  T570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.832126][  T570] CR2: 00000000004e5840 CR3: 000000000e3ff002 CR4: 0000000000772ef0
[   51.832844][  T570] PKRU: 55555554
[   51.833212][  T570] Call Trace:
[   51.833565][  T570]  <TASK>
[ 51.833804][ T570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.834298][ T570] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 51.834767][ T570] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.835257][ T570] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 51.835732][ T570] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 51.836220][ T570] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 51.836699][ T570] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 51.837197][ T570] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 51.837807][ T570] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 51.838291][ T570] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 51.838758][ T570] ? __kernel_text_address (kernel/extable.c:79) 
[ 51.839281][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.839769][ T570] ? __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) 
[ 51.840252][ T570] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 51.840838][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.841332][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.841804][ T570] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 51.842288][ T570] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 51.842764][ T570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.843259][ T570] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 51.843727][ T570] ? __create_object (mm/kmemleak.c:771) 
[ 51.844215][ T570] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 51.844692][ T570] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 51.845180][ T570] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 51.845765][ T570] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 51.846269][ T570] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 51.846753][ T570] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.847244][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.847732][ T570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.848218][ T570] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 51.848691][ T570] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.849185][ T570] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 51.849657][ T570] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 51.850149][ T570] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.850633][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.851135][ T570] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 51.851610][ T570] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 51.852100][ T570] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 51.852599][ T570] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 51.853082][ T570] ? 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) 
[ 51.853561][ T570] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 51.854056][ T570] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 51.854534][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.855034][ T570] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 51.855517][ T570] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 51.855995][ T570] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 51.856504][ T570] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 51.856985][ T570] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 51.857468][ T570] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 51.858101][ T570] ___sys_sendmsg (net/socket.c:2670) 
[ 51.858571][ T570] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 51.859055][ T570] ? __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) 
[ 51.859653][ T570] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 51.860144][ T570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.860626][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 51.861125][ T570] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 51.861607][ T570] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 51.862092][ T570] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 51.862582][ T570] __sys_sendmsg (net/socket.c:2700) 
[ 51.863061][ T570] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 51.863647][ T570] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 51.864154][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 51.864633][ T570] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 51.865130][ T570] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   51.865714][  T570] RIP: 0033:0x7f4b4241b1e7
[ 51.866220][ T570] 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)
[   51.867932][  T570] RSP: 002b:00007ffd48e80d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   51.868662][  T570] RAX: ffffffffffffffda RBX: 00007ffd48e81440 RCX: 00007f4b4241b1e7
[   51.869391][  T570] RDX: 0000000000000000 RSI: 00007ffd48e80d80 RDI: 0000000000000005
[   51.870113][  T570] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   51.870820][  T570] R10: 00007f4b42318ee8 R11: 0000000000000246 R12: 0000000000000004


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