======================================
| [   35.236211][  T444] GACT probability NOT on
| [   41.028357][  T501] ------------[ cut here ]------------
| [ 41.028811][ T501] WARNING: CPU: 0 PID: 501 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) 
| [   41.029391][  T501] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   41.030545][  T501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.030902][ T501] 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) 
[ 41.031202][ T501] 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
[   41.032208][  T501] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   41.032570][  T501] RAX: 0000000000000000 RBX: ffff888007941000 RCX: 0000000000000001
[   41.032984][  T501] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.033412][  T501] RBP: ffffc90000997230 R08: ffff88800e35a000 R09: 0000000000000000
[   41.033827][  T501] R10: ffffc900009975c8 R11: ffffffff87250668 R12: 1ffff92000132e2c
[   41.034241][  T501] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800bd4ade0
[   41.034662][  T501] FS:  00007f65fa1dc800(0000) GS:ffff8880adcb7000(0000) knlGS:0000000000000000
[   41.035147][  T501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.035503][  T501] CR2: 00000000004e5aa0 CR3: 0000000015c99003 CR4: 0000000000772ef0
[   41.036127][  T501] PKRU: 55555554
[   41.036349][  T501] Call Trace:
[   41.036559][  T501]  <TASK>
[ 41.036701][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.036995][ T501] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.037273][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.037586][ T501] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.037861][ T501] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.038136][ T501] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.038425][ T501] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.038711][ T501] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.039069][ T501] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.039368][ T501] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.039645][ T501] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.039925][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.040209][ T501] ? __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) 
[ 41.040495][ T501] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.040839][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.041119][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.041410][ T501] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.041692][ T501] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.041976][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.042251][ T501] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.042536][ T501] ? __create_object (mm/kmemleak.c:771) 
[ 41.042813][ T501] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.043091][ T501] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.043374][ T501] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.043719][ T501] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.044003][ T501] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.044295][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.044583][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.044868][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.045165][ T501] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.045449][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.045727][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.046009][ T501] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.046287][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.046575][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.046857][ T501] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.047132][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.047431][ T501] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.047719][ T501] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.047998][ T501] ? 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) 
[ 41.048276][ T501] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.048566][ T501] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.048843][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.049122][ T501] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.049411][ T501] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.049700][ T501] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.050002][ T501] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.050283][ T501] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.050566][ T501] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.050935][ T501] ___sys_sendmsg (net/socket.c:2670) 
[ 41.051217][ T501] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.051501][ T501] ? __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) 
[ 41.051847][ T501] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.052139][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.052430][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.052711][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.053000][ T501] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.053274][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.053563][ T501] __sys_sendmsg (net/socket.c:2700) 
[ 41.053839][ T501] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.054187][ T501] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.054483][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.054784][ T501] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.055062][ T501] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.055435][  T501] RIP: 0033:0x7f65fa3a91e7
[ 41.055722][ T501] 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)
[   41.056718][  T501] RSP: 002b:00007fff3aed8088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.057144][  T501] RAX: ffffffffffffffda RBX: 00007fff3aed87b0 RCX: 00007f65fa3a91e7
[   41.057579][  T501] RDX: 0000000000000000 RSI: 00007fff3aed80f0 RDI: 0000000000000005
[   41.057994][  T501] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.058419][  T501] R10: 00007f65fa2a6ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.058837][  T501] R13: 00000000686e3db0 R14: 0000000000499600 R15: 0000000000000000
| [   41.172019][  T502] ------------[ cut here ]------------
| [ 41.172362][ T502] WARNING: CPU: 1 PID: 502 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) 
| [   41.172914][  T502] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.174168][  T502] Tainted: [W]=WARN
[   41.174390][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.174733][ T502] 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) 
[ 41.175016][ T502] 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
[   41.176007][  T502] RSP: 0018:ffffc90000997140 EFLAGS: 00010246
[   41.176363][  T502] RAX: 0000000000000000 RBX: ffff888005df9000 RCX: 0000000000000001
[   41.176774][  T502] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.177190][  T502] RBP: ffffc90000997230 R08: ffff88800980a000 R09: 0000000000000000
[   41.177764][  T502] R10: ffffc900009975c8 R11: ffffffff87250668 R12: 1ffff92000132e2c
[   41.178177][  T502] R13: 00000000000007d0 R14: ffffc90000997880 R15: ffff88800bd491e0
[   41.178719][  T502] FS:  00007f1df0c15800(0000) GS:ffff8880add37000(0000) knlGS:0000000000000000
[   41.179218][  T502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.179692][  T502] CR2: 00000000004e5aa8 CR3: 0000000005fca005 CR4: 0000000000772ef0
[   41.180111][  T502] PKRU: 55555554
[   41.180476][  T502] Call Trace:
[   41.180684][  T502]  <TASK>
[ 41.180824][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.181102][ T502] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.181564][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.181847][ T502] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.182120][ T502] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.182403][ T502] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.182683][ T502] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.182963][ T502] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.183328][ T502] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.183604][ T502] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.183877][ T502] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.184194][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.184497][ T502] ? __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) 
[ 41.184782][ T502] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.185121][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.185417][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.185692][ T502] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.185972][ T502] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.186249][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.186534][ T502] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.186805][ T502] ? __create_object (mm/kmemleak.c:771) 
[ 41.187081][ T502] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.187378][ T502] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.187664][ T502] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.188010][ T502] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.188293][ T502] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.188587][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.188882][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.189164][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.189468][ T502] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.189740][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.190025][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.190312][ T502] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.190593][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.190875][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.191155][ T502] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.191443][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.191719][ T502] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.192009][ T502] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.192283][ T502] ? 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) 
[ 41.192588][ T502] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.192870][ T502] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.193145][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.193441][ T502] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.193731][ T502] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.194011][ T502] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.194293][ T502] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.194586][ T502] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.194860][ T502] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.195211][ T502] ___sys_sendmsg (net/socket.c:2670) 
[ 41.195500][ T502] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.195773][ T502] ? __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) 
[ 41.196122][ T502] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.196414][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.196692][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.196971][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.197245][ T502] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.197541][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.197825][ T502] __sys_sendmsg (net/socket.c:2700) 
[ 41.198099][ T502] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.198453][ T502] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.198742][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.199019][ T502] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.199294][ T502] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.199644][  T502] RIP: 0033:0x7f1df0de21e7
[ 41.199925][ T502] 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)
[   41.200969][  T502] RSP: 002b:00007ffeca8a1648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.201421][  T502] RAX: ffffffffffffffda RBX: 00007ffeca8a1d70 RCX: 00007f1df0de21e7
[   41.201857][  T502] RDX: 0000000000000000 RSI: 00007ffeca8a16b0 RDI: 0000000000000005
[   41.202314][  T502] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.202752][  T502] R10: 00007f1df0cdfee8 R11: 0000000000000246 R12: 0000000000000004
[   41.203180][  T502] R13: 00000000686e3db0 R14: 0000000000499600 R15: 0000000000000000
| [   41.329386][  T503] ------------[ cut here ]------------
| [ 41.329703][ T503] WARNING: CPU: 3 PID: 503 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) 
| [   41.330259][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.331966][  T503] Tainted: [W]=WARN
[   41.332173][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.332525][ T503] 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) 
[ 41.332809][ T503] 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
[   41.333843][  T503] RSP: 0018:ffffc900009a7140 EFLAGS: 00010246
[   41.334192][  T503] RAX: 0000000000000000 RBX: ffff88800e344000 RCX: 0000000000000001
[   41.334613][  T503] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.335021][  T503] RBP: ffffc900009a7230 R08: ffff88800a62a000 R09: 0000000000000000
[   41.335444][  T503] R10: ffffc900009a75c8 R11: ffffffff87250668 R12: 1ffff92000134e2c
[   41.335864][  T503] R13: 00000000000007d0 R14: ffffc900009a7880 R15: ffff88800bd48ae0
[   41.336274][  T503] FS:  00007fcbb4b42800(0000) GS:ffff8880ade37000(0000) knlGS:0000000000000000
[   41.336762][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.337146][  T503] CR2: 00000000004e73c8 CR3: 0000000005fca006 CR4: 0000000000772ef0
[   41.337587][  T503] PKRU: 55555554
[   41.337796][  T503] Call Trace:
[   41.338003][  T503]  <TASK>
[ 41.338144][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.338436][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.338710][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.339019][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.339294][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.339596][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.339874][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.340181][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.340538][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.340813][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.341087][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.341372][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.341656][ T503] ? __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) 
[ 41.341930][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.342270][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.342560][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.342838][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.343115][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.343401][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.343758][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.344030][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 41.344318][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.344591][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.344886][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.345226][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.345517][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.345797][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.346077][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.346369][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.346645][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.346915][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.347194][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.347505][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.347781][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.348064][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.348392][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.348667][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.348961][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.349246][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.349527][ T503] ? 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) 
[ 41.349805][ T503] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.350092][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.350377][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.350657][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.350934][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.351213][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.351523][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.351823][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.352112][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.352479][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 41.352752][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.353025][ T503] ? __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) 
[ 41.353385][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.353666][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.353944][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.354227][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.354518][ T503] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.354793][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.355079][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 41.355362][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.355702][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.355989][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.356266][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.356558][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.356899][  T503] RIP: 0033:0x7fcbb4d0f1e7
[ 41.357183][ T503] 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)
[   41.358180][  T503] RSP: 002b:00007ffc747b1898 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.358611][  T503] RAX: ffffffffffffffda RBX: 00007ffc747b1fc0 RCX: 00007fcbb4d0f1e7
[   41.359021][  T503] RDX: 0000000000000000 RSI: 00007ffc747b1900 RDI: 0000000000000005
[   41.359439][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.359848][  T503] R10: 00007fcbb4c0cee8 R11: 0000000000000246 R12: 0000000000000004
[   41.360263][  T503] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   41.464522][  T504] ------------[ cut here ]------------
| [ 41.464833][ T504] WARNING: CPU: 0 PID: 504 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) 
| [   41.465428][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.466658][  T504] Tainted: [W]=WARN
[   41.466879][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.467249][ T504] 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) 
[ 41.467596][ T504] 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
[   41.468652][  T504] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   41.469025][  T504] RAX: 0000000000000000 RBX: ffff88800a399000 RCX: 0000000000000001
[   41.470446][  T504] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.470905][  T504] RBP: ffffc90000a17230 R08: ffff88800b788800 R09: 0000000000000000
[   41.471348][  T504] R10: ffffc90000a175c8 R11: ffffffff87250668 R12: 1ffff92000142e2c
[   41.471783][  T504] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff88800bd4bbe0
[   41.472221][  T504] FS:  00007f6194293800(0000) GS:ffff8880adcb7000(0000) knlGS:0000000000000000
[   41.472751][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.473121][  T504] CR2: 00000000004e5ab0 CR3: 0000000015c99005 CR4: 0000000000772ef0
[   41.473564][  T504] PKRU: 55555554
[   41.473783][  T504] Call Trace:
[   41.474000][  T504]  <TASK>
[ 41.474156][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.474460][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.474751][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.475063][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.475365][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.475659][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.475953][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.476260][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.476649][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.476942][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.477231][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.477548][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.477845][ T504] ? __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) 
[ 41.478139][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.478514][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.478807][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.479097][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.479393][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.479686][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.479974][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.480261][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 41.480573][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.480880][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.481169][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.481541][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.481836][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.482133][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.482431][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.482725][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.483021][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.483323][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.483616][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.483904][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.484194][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.484509][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.484806][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.485095][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.485402][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.485705][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.486051][ T504] ? 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) 
[ 41.486410][ T504] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.486768][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.487061][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.487380][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.487689][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.487981][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.488280][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.488694][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.489135][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.489543][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 41.489836][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.490154][ T504] ? __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) 
[ 41.490529][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.490827][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.491126][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.491448][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.491743][ T504] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.492037][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.492364][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 41.492658][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.493019][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.493342][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.493636][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.493929][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.494325][  T504] RIP: 0033:0x7f61944601e7
[ 41.494639][ T504] 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)
[   41.495679][  T504] RSP: 002b:00007ffcfedb82f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.496121][  T504] RAX: ffffffffffffffda RBX: 00007ffcfedb8a20 RCX: 00007f61944601e7
[   41.496584][  T504] RDX: 0000000000000000 RSI: 00007ffcfedb8360 RDI: 0000000000000005
[   41.497021][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.497480][  T504] R10: 00007f619435dee8 R11: 0000000000000246 R12: 0000000000000004
[   41.497914][  T504] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   41.614882][  T505] ------------[ cut here ]------------
| [ 41.615193][ T505] WARNING: CPU: 1 PID: 505 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) 
| [   41.615770][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.618467][  T505] Tainted: [W]=WARN
[   41.618675][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.619019][ T505] 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) 
[ 41.619339][ T505] 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
[   41.620334][  T505] RSP: 0018:ffffc90000a17140 EFLAGS: 00010246
[   41.620680][  T505] RAX: 0000000000000000 RBX: ffff88800a71c000 RCX: 0000000000000001
[   41.621090][  T505] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.621510][  T505] RBP: ffffc90000a17230 R08: ffff88800b9c5000 R09: 0000000000000000
[   41.621918][  T505] R10: ffffc90000a175c8 R11: ffffffff87250668 R12: 1ffff92000142e2c
[   41.622332][  T505] R13: 00000000000007d0 R14: ffffc90000a17880 R15: ffff88800e2274e0
[   41.622742][  T505] FS:  00007fe6b0596800(0000) GS:ffff8880add37000(0000) knlGS:0000000000000000
[   41.623224][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.623589][  T505] CR2: 00000000004e55b8 CR3: 000000000dbf9006 CR4: 0000000000772ef0
[   41.624003][  T505] PKRU: 55555554
[   41.624210][  T505] Call Trace:
[   41.624427][  T505]  <TASK>
[ 41.624567][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.624845][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.625122][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.625406][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.625680][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.625956][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.626232][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.626527][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.626874][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.627153][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.627462][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.627739][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.628014][ T505] ? __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) 
[ 41.628287][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.628637][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.628915][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.629192][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.629506][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.629780][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.630055][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.630336][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 41.630614][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.630887][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.631161][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.631526][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.631807][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.632088][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.632371][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.632651][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.632932][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.633203][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.633537][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.633814][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.634104][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.634392][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.634672][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.634952][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.635225][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.635531][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.635811][ T505] ? 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) 
[ 41.636086][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.636374][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.636648][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.636934][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.637214][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.637542][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.637833][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.638112][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.638396][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.638752][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 41.639024][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.639296][ T505] ? __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) 
[ 41.639666][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.639950][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.640231][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.640538][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.640824][ T505] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.641104][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.641395][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 41.641672][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.642021][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.642320][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.642599][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.642882][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.643224][  T505] RIP: 0033:0x7fe6b07631e7
[ 41.643533][ T505] 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)
[   41.644531][  T505] RSP: 002b:00007fffd11f6148 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.644946][  T505] RAX: ffffffffffffffda RBX: 00007fffd11f6870 RCX: 00007fe6b07631e7
[   41.645366][  T505] RDX: 0000000000000000 RSI: 00007fffd11f61b0 RDI: 0000000000000005
[   41.645779][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.646211][  T505] R10: 00007fe6b0660ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.646657][  T505] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   41.767884][  T506] ------------[ cut here ]------------
| [ 41.768194][ T506] WARNING: CPU: 3 PID: 506 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) 
| [   41.768925][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.770062][  T506] Tainted: [W]=WARN
[   41.770273][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.770633][ T506] 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) 
[ 41.770917][ T506] 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
[   41.771909][  T506] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   41.772259][  T506] RAX: 0000000000000000 RBX: ffff88800bbac000 RCX: 0000000000000001
[   41.772690][  T506] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.773102][  T506] RBP: ffffc90000a27230 R08: ffff88800b9b8800 R09: 0000000000000000
[   41.773521][  T506] R10: ffffc90000a275c8 R11: ffffffff87250668 R12: 1ffff92000144e2c
[   41.773936][  T506] R13: 00000000000007d0 R14: ffffc90000a27880 R15: ffff88800e226a60
[   41.774358][  T506] FS:  00007f862799a800(0000) GS:ffff8880ade37000(0000) knlGS:0000000000000000
[   41.774838][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.775185][  T506] CR2: 00000000004e5ac8 CR3: 000000000ba7d001 CR4: 0000000000772ef0
[   41.775602][  T506] PKRU: 55555554
[   41.775808][  T506] Call Trace:
[   41.776022][  T506]  <TASK>
[ 41.776163][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.776602][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.776876][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.777154][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.777565][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.777840][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.778119][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.778437][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.778785][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.779059][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.779339][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.779617][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.779893][ T506] ? __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) 
[ 41.780173][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.780525][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.780804][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.781077][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.781361][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.781638][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.781914][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.782187][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 41.782479][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.782754][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.783027][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.783376][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.783659][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.783941][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.784214][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.784507][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.784790][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.785061][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.785346][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.785618][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.785893][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.786170][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.786458][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.786741][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.787016][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.787311][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.787595][ T506] ? 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) 
[ 41.787870][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.788148][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.788432][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.788716][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.788994][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.789272][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.789563][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.789845][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.790116][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.790474][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 41.790748][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.791025][ T506] ? __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) 
[ 41.791373][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.791650][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.791931][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.792211][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.792495][ T506] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.792777][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.793059][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 41.793338][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.793676][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.793961][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.794235][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.794530][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.794869][  T506] RIP: 0033:0x7f8627b671e7
[ 41.795160][ T506] 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)
[   41.796154][  T506] RSP: 002b:00007ffe7b0608e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.796581][  T506] RAX: ffffffffffffffda RBX: 00007ffe7b061010 RCX: 00007f8627b671e7
[   41.797001][  T506] RDX: 0000000000000000 RSI: 00007ffe7b060950 RDI: 0000000000000005
[   41.797439][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.797851][  T506] R10: 00007f8627a64ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.798260][  T506] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   41.913070][  T507] ------------[ cut here ]------------
| [ 41.913422][ T507] WARNING: CPU: 3 PID: 507 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) 
| [   41.913998][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   41.915261][  T507] Tainted: [W]=WARN
[   41.915492][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.915860][ T507] 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) 
[ 41.916161][ T507] 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
[   41.917211][  T507] RSP: 0018:ffffc90000a27140 EFLAGS: 00010246
[   41.917602][  T507] RAX: 0000000000000000 RBX: ffff88800bba9000 RCX: 0000000000000001
[   41.918038][  T507] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   41.918486][  T507] RBP: ffffc90000a27230 R08: ffff88800a62b800 R09: 0000000000000000
[   41.918922][  T507] R10: ffffc90000a275c8 R11: ffffffff87250668 R12: 1ffff92000144e2c
[   41.919363][  T507] R13: 00000000000007d0 R14: ffffc90000a27880 R15: ffff88800e225fe0
[   41.919797][  T507] FS:  00007f3403ac2800(0000) GS:ffff8880ade37000(0000) knlGS:0000000000000000
[   41.920299][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.920685][  T507] CR2: 00000000004e5ac0 CR3: 0000000009199003 CR4: 0000000000772ef0
[   41.921103][  T507] PKRU: 55555554
[   41.921317][  T507] Call Trace:
[   41.921523][  T507]  <TASK>
[ 41.921662][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.921943][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.922217][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.922514][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.922789][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.923068][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.923354][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.923635][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.923982][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.924262][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.924543][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.924821][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.925101][ T507] ? __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) 
[ 41.925383][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.925723][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.926003][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.926275][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.926564][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.926846][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.927124][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.927429][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 41.927706][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.927991][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.928279][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.928654][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.928952][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.929232][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.929513][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.929792][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.930071][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.930351][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.930629][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.930909][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.931182][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.931469][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.931749][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.932023][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.932298][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.932594][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.932875][ T507] ? 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) 
[ 41.933151][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.933436][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.933710][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.933991][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.934269][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.934552][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.934842][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.935122][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.935403][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.935756][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 41.936039][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.936328][ T507] ? __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) 
[ 41.936670][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.936954][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.937229][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.937527][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.937804][ T507] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.938080][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.938371][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 41.938648][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.938992][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.939283][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.939568][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.939843][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.940183][  T507] RIP: 0033:0x7f3403c8f1e7
[ 41.940473][ T507] 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)
[   41.941467][  T507] RSP: 002b:00007ffe0c1bfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.941907][  T507] RAX: ffffffffffffffda RBX: 00007ffe0c1c0530 RCX: 00007f3403c8f1e7
[   41.942349][  T507] RDX: 0000000000000000 RSI: 00007ffe0c1bfe70 RDI: 0000000000000005
[   41.942780][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.943220][  T507] R10: 00007f3403b8cee8 R11: 0000000000000246 R12: 0000000000000004
[   41.943663][  T507] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   42.051400][  T508] ------------[ cut here ]------------
| [ 42.051740][ T508] WARNING: CPU: 0 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) 
| [   42.052332][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.053569][  T508] Tainted: [W]=WARN
[   42.053791][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.054156][ 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) 
[ 42.054467][ T508] 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
[   42.056013][  T508] RSP: 0018:ffffc90000a37140 EFLAGS: 00010246
[   42.056404][  T508] RAX: 0000000000000000 RBX: ffff88800e341000 RCX: 0000000000000001
[   42.056856][  T508] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   42.057291][  T508] RBP: ffffc90000a37230 R08: ffff888009335000 R09: 0000000000000000
[   42.057755][  T508] R10: ffffc90000a375c8 R11: ffffffff87250668 R12: 1ffff92000146e2c
[   42.058195][  T508] R13: 00000000000007d0 R14: ffffc90000a37880 R15: ffff88800e225560
[   42.058638][  T508] FS:  00007f826c0ad800(0000) GS:ffff8880adcb7000(0000) knlGS:0000000000000000
[   42.059151][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.059535][  T508] CR2: 00000000004e73f0 CR3: 000000000ba7d005 CR4: 0000000000772ef0
[   42.059978][  T508] PKRU: 55555554
[   42.060196][  T508] Call Trace:
[   42.060423][  T508]  <TASK>
[ 42.060573][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.060870][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.061158][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.061474][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.061764][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.062059][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.062361][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.062663][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.063034][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.063331][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.063628][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.063925][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.064216][ 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) 
[ 42.064525][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.064886][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.065176][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.065472][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.065770][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.066060][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.066358][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.066646][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 42.066936][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.067228][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.067540][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.067906][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.068204][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.068509][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.068828][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.069126][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.069427][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.069715][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.070007][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.070320][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.070612][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.070928][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.071223][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.071524][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.071815][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.072115][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.072418][ 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) 
[ 42.072708][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.073003][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.073296][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.073603][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.073897][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.074188][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.074498][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.074803][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.075094][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.075502][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 42.075791][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.076085][ 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) 
[ 42.076467][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.076769][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.077066][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.077383][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.077670][ 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) 
[ 42.077961][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.078245][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 42.078532][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.078872][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.079166][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.079454][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.079731][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.080071][  T508] RIP: 0033:0x7f826c27a1e7
[ 42.080366][ 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)
[   42.081357][  T508] RSP: 002b:00007ffef9abe468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.081769][  T508] RAX: ffffffffffffffda RBX: 00007ffef9abeb90 RCX: 00007f826c27a1e7
[   42.082183][  T508] RDX: 0000000000000000 RSI: 00007ffef9abe4d0 RDI: 0000000000000005
[   42.082602][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.083020][  T508] R10: 00007f826c177ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.083448][  T508] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   42.202504][  T509] ------------[ cut here ]------------
| [ 42.202827][ T509] WARNING: CPU: 3 PID: 509 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) 
| [   42.203388][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.205645][  T509] Tainted: [W]=WARN
[   42.205859][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.206209][ T509] 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) 
[ 42.206503][ T509] 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
[   42.207515][  T509] RSP: 0018:ffffc90000a47140 EFLAGS: 00010246
[   42.207866][  T509] RAX: 0000000000000000 RBX: ffff88800a39c000 RCX: 0000000000000001
[   42.208276][  T509] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   42.208699][  T509] RBP: ffffc90000a47230 R08: ffff88800be02000 R09: 0000000000000000
[   42.209114][  T509] R10: ffffc90000a475c8 R11: ffffffff87250668 R12: 1ffff92000148e2c
[   42.209531][  T509] R13: 00000000000007d0 R14: ffffc90000a47880 R15: ffff88800e224ae0
[   42.209943][  T509] FS:  00007fe682ceb800(0000) GS:ffff8880ade37000(0000) knlGS:0000000000000000
[   42.210435][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.210781][  T509] CR2: 00000000004e5ab8 CR3: 0000000009199005 CR4: 0000000000772ef0
[   42.211201][  T509] PKRU: 55555554
[   42.211415][  T509] Call Trace:
[   42.211621][  T509]  <TASK>
[ 42.211762][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.212042][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.212324][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.212601][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.212886][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.213161][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.213449][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.213730][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.214076][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.214373][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.214646][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.214931][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.215209][ T509] ? __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) 
[ 42.215493][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.215835][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.216110][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.216394][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.216666][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.216960][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.217235][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.217593][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 42.217874][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.218150][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.218433][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.218776][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.219059][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.219356][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.219631][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.219913][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.220188][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.220470][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.220748][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.221026][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.221315][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.221602][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.221881][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.222155][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.222439][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.222724][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.222997][ T509] ? 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) 
[ 42.223277][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.223571][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.223845][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.224124][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.224415][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.224692][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.224973][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.225251][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.225539][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.225891][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 42.226161][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.226444][ T509] ? __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) 
[ 42.226786][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.227064][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.227365][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.227654][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.227927][ T509] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.228202][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.228493][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 42.228766][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.229104][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.229399][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.229678][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.229953][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.230292][  T509] RIP: 0033:0x7fe682eb81e7
[ 42.230587][ T509] 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)
[   42.231585][  T509] RSP: 002b:00007ffe741a2718 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.232039][  T509] RAX: ffffffffffffffda RBX: 00007ffe741a2e40 RCX: 00007fe682eb81e7
[   42.232463][  T509] RDX: 0000000000000000 RSI: 00007ffe741a2780 RDI: 0000000000000005
[   42.232874][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.233282][  T509] R10: 00007fe682db5ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.233710][  T509] R13: 00000000686e3db1 R14: 0000000000499600 R15: 0000000000000000
| [   42.343198][  T510] ------------[ cut here ]------------
| [ 42.343536][ T510] WARNING: CPU: 3 PID: 510 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) 
| [   42.344088][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.345246][  T510] Tainted: [W]=WARN
[   42.345599][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.345955][ T510] 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) 
[ 42.346239][ T510] 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
[   42.347448][  T510] RSP: 0018:ffffc90000a67140 EFLAGS: 00010246
[   42.347814][  T510] RAX: 0000000000000000 RBX: ffff888004ed9000 RCX: 0000000000000001
[   42.348228][  T510] RDX: 0000000000000000 RSI: ffffffff8649b941 RDI: ffffffff85c555e0
[   42.348764][  T510] RBP: ffffc90000a67230 R08: ffff88800a65a000 R09: 0000000000000000
[   42.349177][  T510] R10: ffffc90000a675c8 R11: ffffffff87250668 R12: 1ffff9200014ce2c
[   42.349602][  T510] R13: 00000000000007d0 R14: ffffc90000a67880 R15: ffff88800e224060
[   42.350020][  T510] FS:  00007f2d386b7800(0000) GS:ffff8880ade37000(0000) knlGS:0000000000000000
[   42.350511][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.350859][  T510] CR2: 00000000004e59c0 CR3: 000000000ba7d001 CR4: 0000000000772ef0
[   42.351278][  T510] PKRU: 55555554
[   42.351499][  T510] Call Trace:
[   42.351711][  T510]  <TASK>
[ 42.351852][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.352132][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.352413][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.352690][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.352968][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.353244][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.353539][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.353822][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.354172][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.354456][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.354729][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.355009][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.355293][ T510] ? __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) 
[ 42.355588][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.355931][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.356208][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.356491][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.356766][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.357041][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.357323][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.357605][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 42.357888][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.358165][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.358448][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.358798][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.359079][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.359371][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.359695][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.360003][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.360298][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.360600][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.360893][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.361182][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.361484][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.361781][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.362077][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.362389][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.362682][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.362990][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.363282][ T510] ? 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) 
[ 42.363587][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.363901][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.364194][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.364504][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.364803][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.365099][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.365429][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.365737][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.366012][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.366374][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 42.366656][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.366933][ T510] ? __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) 
[ 42.367278][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.367577][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.367865][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.368148][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.368433][ T510] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.368719][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.369002][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 42.369275][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.369624][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.369912][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.370187][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.370471][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.370819][  T510] RIP: 0033:0x7f2d388841e7
[ 42.371105][ T510] 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)
[   42.372099][  T510] RSP: 002b:00007ffde19dd178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.372525][  T510] RAX: ffffffffffffffda RBX: 00007ffde19dd8a0 RCX: 00007f2d388841e7
[   42.372944][  T510] RDX: 0000000000000000 RSI: 00007ffde19dd1e0 RDI: 0000000000000005
[   42.373361][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.373773][  T510] R10: 00007f2d38781ee8 R11: 0000000000000246 R12: 0000000000000004


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