======================================
| [   35.902839][  T444] GACT probability NOT on
| [   42.085754][  T501] ------------[ cut here ]------------
| [ 42.086239][ 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) 
| [   42.086835][  T501] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
[   42.087974][  T501] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.089320][ 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) 
[ 42.089619][ 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
[   42.090741][  T501] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   42.091107][  T501] RAX: 0000000000000000 RBX: ffff88800a521000 RCX: 0000000000000001
[   42.091534][  T501] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.091980][  T501] RBP: ffffc90000737230 R08: ffff88800b48a000 R09: 0000000000000000
[   42.092415][  T501] R10: ffffc900007375c8 R11: ffffffffb2c50668 R12: 1ffff920000e6e2c
[   42.092838][  T501] R13: 00000000000007d0 R14: ffffc90000737880 R15: ffff8880099fc760
[   42.093492][  T501] FS:  00007fabdbe83800(0000) GS:ffff8880822b7000(0000) knlGS:0000000000000000
[   42.094001][  T501] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.094374][  T501] CR2: 00000000004e5aa0 CR3: 000000000907d001 CR4: 0000000000772ef0
[   42.094794][  T501] PKRU: 55555554
[   42.095001][  T501] Call Trace:
[   42.095219][  T501]  <TASK>
[ 42.095368][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.095672][ T501] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.095950][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.096242][ T501] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.096529][ T501] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.096816][ T501] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.097106][ T501] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.097404][ T501] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.097756][ T501] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.098036][ T501] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.098321][ T501] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.098596][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.098873][ 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) 
[ 42.099148][ T501] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.099499][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.099777][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.100052][ T501] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.100341][ T501] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.100636][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.100913][ T501] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.101194][ T501] ? __create_object (mm/kmemleak.c:771) 
[ 42.101486][ T501] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.101764][ T501] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.102051][ T501] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.102399][ T501] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.102688][ T501] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.102967][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.103253][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.103532][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.103815][ T501] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.104087][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.104374][ T501] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.104660][ T501] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.104942][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.105232][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.105513][ T501] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.105798][ T501] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.106073][ T501] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.106367][ T501] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.106640][ 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) 
[ 42.106922][ T501] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.107209][ T501] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.107483][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.107764][ T501] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.108043][ T501] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.108329][ T501] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.108629][ T501] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.108934][ T501] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.109215][ T501] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.109571][ T501] ___sys_sendmsg (net/socket.c:2670) 
[ 42.109843][ T501] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.110118][ 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) 
[ 42.110470][ T501] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.110748][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.111036][ T501] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.111323][ T501] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.111601][ 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) 
[ 42.111881][ T501] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.112163][ T501] __sys_sendmsg (net/socket.c:2700) 
[ 42.112452][ T501] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.112795][ T501] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.113089][ T501] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.113374][ T501] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.113653][ T501] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.114008][  T501] RIP: 0033:0x7fabdc0501e7
[ 42.114311][ 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)
[   42.115307][  T501] RSP: 002b:00007fff31f89078 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.115729][  T501] RAX: ffffffffffffffda RBX: 00007fff31f897a0 RCX: 00007fabdc0501e7
[   42.116144][  T501] RDX: 0000000000000000 RSI: 00007fff31f890e0 RDI: 0000000000000005
[   42.116570][  T501] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.116989][  T501] R10: 00007fabdbf4dee8 R11: 0000000000000246 R12: 0000000000000004
[   42.117413][  T501] R13: 00000000686e1f4f R14: 0000000000499600 R15: 0000000000000000
| [   42.230867][  T502] ------------[ cut here ]------------
| [ 42.231395][ T502] WARNING: CPU: 0 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) 
| [   42.231938][  T502] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.233091][  T502] Tainted: [W]=WARN
[   42.233326][  T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.233669][ 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) 
[ 42.233965][ 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
[   42.234960][  T502] RSP: 0018:ffffc90000657140 EFLAGS: 00010246
[   42.235325][  T502] RAX: 0000000000000000 RBX: ffff888007889000 RCX: 0000000000000001
[   42.235738][  T502] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.236152][  T502] RBP: ffffc90000657230 R08: ffff88800a276800 R09: 0000000000000000
[   42.236569][  T502] R10: ffffc900006575c8 R11: ffffffffb2c50668 R12: 1ffff920000cae2c
[   42.236988][  T502] R13: 00000000000007d0 R14: ffffc90000657880 R15: ffff8880099fcae0
[   42.237406][  T502] FS:  00007f0e42794800(0000) GS:ffff8880822b7000(0000) knlGS:0000000000000000
[   42.237885][  T502] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.238236][  T502] CR2: 00000000004e5aa8 CR3: 0000000002951002 CR4: 0000000000772ef0
[   42.238654][  T502] PKRU: 55555554
[   42.238863][  T502] Call Trace:
[   42.239068][  T502]  <TASK>
[ 42.239215][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.239498][ T502] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.239773][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.240051][ T502] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.240502][ T502] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.240787][ T502] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.241065][ T502] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.241497][ T502] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.241846][ T502] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.242120][ T502] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.242743][ T502] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.243157][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.243473][ 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) 
[ 42.243764][ T502] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.244106][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.244398][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.244671][ T502] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.244945][ T502] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.245229][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.245512][ T502] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.245785][ T502] ? __create_object (mm/kmemleak.c:771) 
[ 42.246060][ T502] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.246343][ T502] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.246616][ T502] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.246956][ T502] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.247250][ T502] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.247530][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.247809][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.248090][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.248374][ T502] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.248646][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.248923][ T502] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.249204][ T502] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.249486][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.249763][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.250049][ T502] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.250333][ T502] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.250607][ T502] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.250892][ T502] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.251165][ 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) 
[ 42.251453][ T502] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.251735][ T502] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.252013][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.252299][ T502] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.252575][ T502] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.252849][ T502] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.253129][ T502] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.253415][ T502] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.253688][ T502] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.254062][ T502] ___sys_sendmsg (net/socket.c:2670) 
[ 42.254340][ T502] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.254612][ 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) 
[ 42.254953][ T502] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.255238][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.255515][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.255796][ T502] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.256075][ 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) 
[ 42.256357][ T502] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.256668][ T502] __sys_sendmsg (net/socket.c:2700) 
[ 42.256942][ T502] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.257292][ T502] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.257578][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.257855][ T502] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.258138][ T502] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.258489][  T502] RIP: 0033:0x7f0e429611e7
[ 42.258776][ 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)
[   42.259758][  T502] RSP: 002b:00007ffef5ab6ae8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.260189][  T502] RAX: ffffffffffffffda RBX: 00007ffef5ab7210 RCX: 00007f0e429611e7
[   42.260602][  T502] RDX: 0000000000000000 RSI: 00007ffef5ab6b50 RDI: 0000000000000005
[   42.261011][  T502] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.261426][  T502] R10: 00007f0e4285eee8 R11: 0000000000000246 R12: 0000000000000004
[   42.261848][  T502] R13: 00000000686e1f4f R14: 0000000000499600 R15: 0000000000000000
| [   42.374327][  T503] ------------[ cut here ]------------
| [ 42.374676][ T503] WARNING: CPU: 2 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) 
| [   42.376937][  T503] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.378113][  T503] Tainted: [W]=WARN
[   42.378346][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.378710][ 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) 
[ 42.379007][ 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
[   42.380008][  T503] RSP: 0018:ffffc90000737140 EFLAGS: 00010246
[   42.380381][  T503] RAX: 0000000000000000 RBX: ffff88800e4dc000 RCX: 0000000000000001
[   42.380810][  T503] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.381238][  T503] RBP: ffffc90000737230 R08: ffff88800584e800 R09: 0000000000000000
[   42.381661][  T503] R10: ffffc900007375c8 R11: ffffffffb2c50668 R12: 1ffff920000e6e2c
[   42.382083][  T503] R13: 00000000000007d0 R14: ffffc90000737880 R15: ffff8880099fce60
[   42.382527][  T503] FS:  00007f449ae71800(0000) GS:ffff8880823b7000(0000) knlGS:0000000000000000
[   42.383018][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.383385][  T503] CR2: 00000000004e73c8 CR3: 000000000e0f1003 CR4: 0000000000772ef0
[   42.383821][  T503] PKRU: 55555554
[   42.384040][  T503] Call Trace:
[   42.384269][  T503]  <TASK>
[ 42.384427][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.384719][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.385003][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.385308][ T503] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.385594][ T503] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.385890][ T503] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.386189][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.386493][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.386852][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.387139][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.387434][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.387726][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.388014][ 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) 
[ 42.388315][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.388675][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.388966][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.389263][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.389551][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.389839][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.390126][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.390419][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 42.390710][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.391012][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.391309][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.391662][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.391956][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.392261][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.392547][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.392843][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.393134][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.393435][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.393734][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.394022][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.394320][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.394614][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.394909][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.395210][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.395504][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.395803][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.396086][ 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) 
[ 42.396391][ T503] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.396680][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.396965][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.397267][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.397565][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.397856][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.398150][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.398448][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.398734][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.399097][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 42.399392][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.399680][ 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) 
[ 42.400035][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.400336][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.400631][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.400923][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.401221][ 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) 
[ 42.401507][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.401804][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 42.402088][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.402453][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.402751][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.403040][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.403354][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.403705][  T503] RIP: 0033:0x7f449b03e1e7
[ 42.404020][ 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)
[   42.405016][  T503] RSP: 002b:00007ffe8d3e54c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.405455][  T503] RAX: ffffffffffffffda RBX: 00007ffe8d3e5bf0 RCX: 00007f449b03e1e7
[   42.405883][  T503] RDX: 0000000000000000 RSI: 00007ffe8d3e5530 RDI: 0000000000000005
[   42.406315][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.406737][  T503] R10: 00007f449af3bee8 R11: 0000000000000246 R12: 0000000000000004
[   42.407154][  T503] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   42.514756][  T504] ------------[ cut here ]------------
| [ 42.515100][ T504] WARNING: CPU: 2 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) 
| [   42.515685][  T504] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.516862][  T504] Tainted: [W]=WARN
[   42.517092][  T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.518536][ 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) 
[ 42.518840][ 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
[   42.519834][  T504] RSP: 0018:ffffc90000757140 EFLAGS: 00010246
[   42.520212][  T504] RAX: 0000000000000000 RBX: ffff88800514c000 RCX: 0000000000000001
[   42.520632][  T504] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.521054][  T504] RBP: ffffc90000757230 R08: ffff8880093c0800 R09: 0000000000000000
[   42.521483][  T504] R10: ffffc900007575c8 R11: ffffffffb2c50668 R12: 1ffff920000eae2c
[   42.521912][  T504] R13: 00000000000007d0 R14: ffffc90000757880 R15: ffff88800a23b4e0
[   42.522343][  T504] FS:  00007fdde1c2e800(0000) GS:ffff8880823b7000(0000) knlGS:0000000000000000
[   42.522833][  T504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.523202][  T504] CR2: 00000000004e5ab0 CR3: 00000000056c8004 CR4: 0000000000772ef0
[   42.523625][  T504] PKRU: 55555554
[   42.523859][  T504] Call Trace:
[   42.524075][  T504]  <TASK>
[ 42.524239][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.524529][ T504] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.524815][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.525105][ T504] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.525403][ T504] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.525688][ T504] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.525984][ T504] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.526287][ T504] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.526647][ T504] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.526931][ T504] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.527234][ T504] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.527521][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.527816][ 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) 
[ 42.528107][ T504] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.528470][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.528758][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.529042][ T504] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.529337][ T504] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.529623][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.529909][ T504] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.530209][ T504] ? __create_object (mm/kmemleak.c:771) 
[ 42.530500][ T504] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.530787][ T504] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.531072][ T504] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.531435][ T504] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.531727][ T504] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.532016][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.532313][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.532610][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.532899][ T504] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.533191][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.533480][ T504] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.533772][ T504] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.534060][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.534356][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.534653][ T504] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.534939][ T504] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.535237][ T504] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.535534][ T504] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.535820][ 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) 
[ 42.536106][ T504] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.536414][ T504] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.536705][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.536996][ T504] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.537308][ T504] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.537596][ T504] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.537889][ T504] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.538187][ T504] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.538474][ T504] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.538844][ T504] ___sys_sendmsg (net/socket.c:2670) 
[ 42.539130][ T504] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.539426][ 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) 
[ 42.539780][ T504] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.540068][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.540373][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.540663][ T504] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.540952][ 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) 
[ 42.541251][ T504] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.541546][ T504] __sys_sendmsg (net/socket.c:2700) 
[ 42.541829][ T504] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.542191][ T504] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.542488][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.542775][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.543062][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.543430][  T504] RIP: 0033:0x7fdde1dfb1e7
[ 42.543742][ 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)
[   42.544740][  T504] RSP: 002b:00007ffe7f3ecb08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.545171][  T504] RAX: ffffffffffffffda RBX: 00007ffe7f3ed230 RCX: 00007fdde1dfb1e7
[   42.545603][  T504] RDX: 0000000000000000 RSI: 00007ffe7f3ecb70 RDI: 0000000000000005
[   42.546025][  T504] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.546454][  T504] R10: 00007fdde1cf8ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.546879][  T504] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   42.658262][  T505] ------------[ cut here ]------------
| [ 42.658572][ 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) 
| [   42.659109][  T505] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.660279][  T505] Tainted: [W]=WARN
[   42.660488][  T505] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.660834][ 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) 
[ 42.661115][ 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
[   42.662102][  T505] RSP: 0018:ffffc90000757140 EFLAGS: 00010246
[   42.662458][  T505] RAX: 0000000000000000 RBX: ffff88800b999000 RCX: 0000000000000001
[   42.662865][  T505] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.663281][  T505] RBP: ffffc90000757230 R08: ffff88800bacb800 R09: 0000000000000000
[   42.663689][  T505] R10: ffffc900007575c8 R11: ffffffffb2c50668 R12: 1ffff920000eae2c
[   42.664110][  T505] R13: 00000000000007d0 R14: ffffc90000757880 R15: ffff88800a23aa60
[   42.664535][  T505] FS:  00007fa2997ab800(0000) GS:ffff888082337000(0000) knlGS:0000000000000000
[   42.665011][  T505] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.665363][  T505] CR2: 00000000004e55b8 CR3: 000000000b169003 CR4: 0000000000772ef0
[   42.665777][  T505] PKRU: 55555554
[   42.665980][  T505] Call Trace:
[   42.666196][  T505]  <TASK>
[ 42.666336][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.666614][ T505] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.666883][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.667159][ T505] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.667439][ T505] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.667719][ T505] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.667996][ T505] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.668290][ T505] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.668648][ T505] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.668920][ T505] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.669200][ T505] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.669479][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.669755][ 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) 
[ 42.670029][ T505] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.670373][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.670648][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.670923][ T505] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.671205][ T505] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.671479][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.671757][ T505] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.672027][ T505] ? __create_object (mm/kmemleak.c:771) 
[ 42.672319][ T505] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.672599][ T505] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.672876][ T505] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.673221][ T505] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.673500][ T505] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.673793][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.674064][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.674350][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.674623][ T505] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.674891][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.675165][ T505] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.675446][ T505] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.675720][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.676002][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.676298][ T505] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.676578][ T505] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.676853][ T505] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.677136][ T505] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.677415][ 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) 
[ 42.677691][ T505] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.677972][ T505] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.678253][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.678531][ T505] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.678808][ T505] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.679081][ T505] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.679384][ T505] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.679662][ T505] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.679939][ T505] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.680308][ T505] ___sys_sendmsg (net/socket.c:2670) 
[ 42.680579][ T505] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.680849][ 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) 
[ 42.681199][ T505] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.681483][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.681758][ T505] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.682041][ T505] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.682321][ 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) 
[ 42.682592][ T505] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.682872][ T505] __sys_sendmsg (net/socket.c:2700) 
[ 42.683141][ T505] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.683486][ T505] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.683777][ T505] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.684050][ T505] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.684351][ T505] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.684686][  T505] RIP: 0033:0x7fa2999781e7
[ 42.684969][ 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)
[   42.685949][  T505] RSP: 002b:00007ffd7428c4a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.686372][  T505] RAX: ffffffffffffffda RBX: 00007ffd7428cbd0 RCX: 00007fa2999781e7
[   42.686782][  T505] RDX: 0000000000000000 RSI: 00007ffd7428c510 RDI: 0000000000000005
[   42.687202][  T505] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.687611][  T505] R10: 00007fa299875ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.688027][  T505] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   42.799759][  T506] ------------[ cut here ]------------
| [ 42.800072][ T506] WARNING: CPU: 1 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) 
| [   42.800630][  T506] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.801789][  T506] Tainted: [W]=WARN
[   42.802005][  T506] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.803441][ 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) 
[ 42.803734][ 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
[   42.804723][  T506] RSP: 0018:ffffc90000757140 EFLAGS: 00010246
[   42.805076][  T506] RAX: 0000000000000000 RBX: ffff88800b74c000 RCX: 0000000000000001
[   42.805501][  T506] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.805910][  T506] RBP: ffffc90000757230 R08: ffff8880025d6800 R09: 0000000000000000
[   42.806327][  T506] R10: ffffc900007575c8 R11: ffffffffb2c50668 R12: 1ffff920000eae2c
[   42.806740][  T506] R13: 00000000000007d0 R14: ffffc90000757880 R15: ffff88800a239fe0
[   42.807152][  T506] FS:  00007f101c8d9800(0000) GS:ffff888082337000(0000) knlGS:0000000000000000
[   42.807638][  T506] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.807981][  T506] CR2: 00000000004e5ac8 CR3: 00000000090ef005 CR4: 0000000000772ef0
[   42.808405][  T506] PKRU: 55555554
[   42.808610][  T506] Call Trace:
[   42.808815][  T506]  <TASK>
[ 42.808953][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.809253][ T506] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.809528][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.809806][ T506] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.810078][ T506] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.810366][ T506] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.810650][ T506] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.810930][ T506] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.811287][ T506] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.811562][ T506] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.811833][ T506] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.812107][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.812400][ 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) 
[ 42.812675][ T506] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.813013][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.813311][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.813586][ T506] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.813872][ T506] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.814148][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.814431][ T506] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.814709][ T506] ? __create_object (mm/kmemleak.c:771) 
[ 42.814985][ T506] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.815271][ T506] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.815543][ T506] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.815883][ T506] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.816165][ T506] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.816455][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.816733][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.817015][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.817311][ T506] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.817585][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.817871][ T506] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.818144][ T506] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.818429][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.818712][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.819000][ T506] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.819288][ T506] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.819563][ T506] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.819854][ T506] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.820127][ 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) 
[ 42.820413][ T506] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.820692][ T506] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.820973][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.821288][ T506] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.821568][ T506] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.821845][ T506] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.822125][ T506] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.822413][ T506] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.822686][ T506] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.823045][ T506] ___sys_sendmsg (net/socket.c:2670) 
[ 42.823327][ T506] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.823602][ 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) 
[ 42.823955][ T506] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.824246][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.824528][ T506] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.824809][ T506] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.825092][ 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) 
[ 42.825390][ T506] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.825673][ T506] __sys_sendmsg (net/socket.c:2700) 
[ 42.825943][ T506] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.826292][ T506] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.826578][ T506] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.826852][ T506] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.827129][ T506] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.827484][  T506] RIP: 0033:0x7f101caa61e7
[ 42.827768][ 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)
[   42.828761][  T506] RSP: 002b:00007ffe4db05e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.829206][  T506] RAX: ffffffffffffffda RBX: 00007ffe4db065b0 RCX: 00007f101caa61e7
[   42.829620][  T506] RDX: 0000000000000000 RSI: 00007ffe4db05ef0 RDI: 0000000000000005
[   42.830033][  T506] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.830454][  T506] R10: 00007f101c9a3ee8 R11: 0000000000000246 R12: 0000000000000004
[   42.830874][  T506] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   42.952506][  T507] ------------[ cut here ]------------
| [ 42.952857][ T507] WARNING: CPU: 2 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) 
| [   42.953435][  T507] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   42.954603][  T507] Tainted: [W]=WARN
[   42.954823][  T507] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.955194][ 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) 
[ 42.955488][ 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
[   42.956482][  T507] RSP: 0018:ffffc90000527140 EFLAGS: 00010246
[   42.956849][  T507] RAX: 0000000000000000 RBX: ffff8880076fc000 RCX: 0000000000000001
[   42.957282][  T507] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   42.957702][  T507] RBP: ffffc90000527230 R08: ffff88800b4a2000 R09: 0000000000000000
[   42.958122][  T507] R10: ffffc900005275c8 R11: ffffffffb2c50668 R12: 1ffff920000a4e2c
[   42.958550][  T507] R13: 00000000000007d0 R14: ffffc90000527880 R15: ffff88800a239560
[   42.958976][  T507] FS:  00007f1d2a284800(0000) GS:ffff8880823b7000(0000) knlGS:0000000000000000
[   42.959475][  T507] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.959831][  T507] CR2: 00000000004e5ac0 CR3: 0000000009694006 CR4: 0000000000772ef0
[   42.960265][  T507] PKRU: 55555554
[   42.960482][  T507] Call Trace:
[   42.960714][  T507]  <TASK>
[ 42.960865][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.961158][ T507] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.961453][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.961747][ T507] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.962031][ T507] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.962329][ T507] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.962624][ T507] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.962915][ T507] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.963284][ T507] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.963572][ T507] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.963868][ T507] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.964163][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.964466][ 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) 
[ 42.964757][ T507] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.965108][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.965407][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.965691][ T507] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.965975][ T507] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.966272][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.966558][ T507] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.966842][ T507] ? __create_object (mm/kmemleak.c:771) 
[ 42.967135][ T507] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.967432][ T507] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.967715][ T507] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.968068][ T507] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.968372][ T507] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.968664][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.968951][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.969260][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.969547][ T507] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.969831][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.970117][ T507] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.970412][ T507] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.970698][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.970990][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.971297][ T507] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.971589][ T507] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.971873][ T507] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.972171][ T507] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.972472][ 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) 
[ 42.972763][ T507] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.973051][ T507] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.973347][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.973644][ T507] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.973948][ T507] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.974245][ T507] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.974540][ T507] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.974830][ T507] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.975112][ T507] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.975485][ T507] ___sys_sendmsg (net/socket.c:2670) 
[ 42.975776][ T507] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.976059][ 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) 
[ 42.976423][ T507] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.976710][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.976999][ T507] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.977300][ T507] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.977584][ 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) 
[ 42.977875][ T507] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.978191][ T507] __sys_sendmsg (net/socket.c:2700) 
[ 42.978483][ T507] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.978834][ T507] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.979131][ T507] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.979427][ T507] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.979714][ T507] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.980069][  T507] RIP: 0033:0x7f1d2a4511e7
[ 42.980375][ 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)
[   42.981370][  T507] RSP: 002b:00007ffd21fe4fb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.981796][  T507] RAX: ffffffffffffffda RBX: 00007ffd21fe56e0 RCX: 00007f1d2a4511e7
[   42.982240][  T507] RDX: 0000000000000000 RSI: 00007ffd21fe5020 RDI: 0000000000000005
[   42.982662][  T507] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.983083][  T507] R10: 00007f1d2a34eee8 R11: 0000000000000246 R12: 0000000000000004
[   42.983513][  T507] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   43.105879][  T508] ------------[ cut here ]------------
| [ 43.106221][ T508] WARNING: CPU: 1 PID: 508 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   43.106768][  T508] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.109431][  T508] Tainted: [W]=WARN
[   43.109642][  T508] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.109982][ T508] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 43.110271][ 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
[   43.111254][  T508] RSP: 0018:ffffc90000517140 EFLAGS: 00010246
[   43.111599][  T508] RAX: 0000000000000000 RBX: ffff88800c4dc000 RCX: 0000000000000001
[   43.112004][  T508] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   43.112421][  T508] RBP: ffffc90000517230 R08: ffff888005848800 R09: 0000000000000000
[   43.112833][  T508] R10: ffffc900005175c8 R11: ffffffffb2c50668 R12: 1ffff920000a2e2c
[   43.113249][  T508] R13: 00000000000007d0 R14: ffffc90000517880 R15: ffff88800a238ae0
[   43.113659][  T508] FS:  00007f7b4a27c800(0000) GS:ffff888082337000(0000) knlGS:0000000000000000
[   43.114143][  T508] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.114500][  T508] CR2: 00000000004e73f0 CR3: 000000000b575001 CR4: 0000000000772ef0
[   43.114910][  T508] PKRU: 55555554
[   43.115114][  T508] Call Trace:
[   43.115326][  T508]  <TASK>
[ 43.115466][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.115743][ T508] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.116021][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.116311][ T508] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.116586][ T508] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.116864][ T508] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.117141][ T508] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.117431][ T508] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.117789][ T508] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.118061][ T508] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.118351][ T508] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.118627][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.118903][ T508] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 43.119188][ T508] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.119535][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.119808][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.120079][ T508] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.120363][ T508] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.120638][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.120913][ T508] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.121196][ T508] ? __create_object (mm/kmemleak.c:771) 
[ 43.121472][ T508] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.121746][ T508] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.122019][ T508] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.122374][ T508] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.122656][ T508] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.122933][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.123216][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.123495][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.123777][ T508] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.124047][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.124332][ T508] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.124610][ T508] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.124884][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.125159][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.125447][ T508] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.125722][ T508] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.125996][ T508] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.126286][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.126565][ T508] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 43.126840][ T508] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.127116][ T508] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.127394][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.127672][ T508] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.127947][ T508] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.128244][ T508] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.128532][ T508] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.128815][ T508] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.129088][ T508] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.129449][ T508] ___sys_sendmsg (net/socket.c:2670) 
[ 43.129720][ T508] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.129992][ T508] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 43.130342][ T508] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.130626][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.130903][ T508] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.131191][ T508] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.131465][ T508] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 43.131739][ T508] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.132018][ T508] __sys_sendmsg (net/socket.c:2700) 
[ 43.132298][ T508] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.132635][ T508] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.132925][ T508] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.133210][ T508] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.133483][ T508] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.133830][  T508] RIP: 0033:0x7f7b4a4491e7
[ 43.134115][ T508] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   43.135100][  T508] RSP: 002b:00007ffd539e3158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.135518][  T508] RAX: ffffffffffffffda RBX: 00007ffd539e3880 RCX: 00007f7b4a4491e7
[   43.135929][  T508] RDX: 0000000000000000 RSI: 00007ffd539e31c0 RDI: 0000000000000005
[   43.136344][  T508] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.136756][  T508] R10: 00007f7b4a346ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.137166][  T508] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   43.260120][  T509] ------------[ cut here ]------------
| [ 43.260508][ 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) 
| [   43.261407][  T509] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.263404][  T509] Tainted: [W]=WARN
[   43.263789][  T509] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.265063][ 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) 
[ 43.265451][ 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
[   43.267148][  T509] RSP: 0018:ffffc90000507140 EFLAGS: 00010246
[   43.267783][  T509] RAX: 0000000000000000 RBX: ffff88800b211000 RCX: 0000000000000001
[   43.268515][  T509] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   43.269241][  T509] RBP: ffffc90000507230 R08: ffff88800c78a000 R09: 0000000000000000
[   43.269965][  T509] R10: ffffc900005075c8 R11: ffffffffb2c50668 R12: 1ffff920000a0e2c
[   43.270698][  T509] R13: 00000000000007d0 R14: ffffc90000507880 R15: ffff88800a238060
[   43.271429][  T509] FS:  00007f45bcaf7800(0000) GS:ffff888082437000(0000) knlGS:0000000000000000
[   43.272283][  T509] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.272887][  T509] CR2: 00000000004e5ab8 CR3: 000000000b84e004 CR4: 0000000000772ef0
[   43.273626][  T509] PKRU: 55555554
[   43.273993][  T509] Call Trace:
[   43.274367][  T509]  <TASK>
[ 43.274608][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.275093][ T509] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.275579][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.276064][ T509] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.276556][ T509] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.277034][ T509] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.277544][ T509] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.278035][ T509] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.278654][ T509] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.279129][ T509] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.279616][ T509] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.280097][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.280606][ 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) 
[ 43.281086][ T509] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.281687][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.282167][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.282654][ T509] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.283134][ T509] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.283630][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.284115][ T509] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.284621][ T509] ? __create_object (mm/kmemleak.c:771) 
[ 43.285106][ T509] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.285603][ T509] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.286088][ T509] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.286588][ T509] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.287070][ T509] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.287571][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.288056][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.288559][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.289036][ T509] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.289521][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.290001][ T509] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.290489][ T509] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.290971][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.291469][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.291969][ T509] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.292454][ T509] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.292932][ T509] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.293445][ T509] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.293928][ 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) 
[ 43.294423][ T509] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.294914][ T509] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.295409][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.295898][ T509] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.296395][ T509] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.296879][ T509] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.297388][ T509] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.297875][ T509] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.298366][ T509] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.298997][ T509] ___sys_sendmsg (net/socket.c:2670) 
[ 43.299480][ T509] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.299954][ 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) 
[ 43.300560][ T509] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.301044][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.301541][ T509] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.302033][ T509] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.302532][ 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) 
[ 43.303006][ T509] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.303512][ T509] __sys_sendmsg (net/socket.c:2700) 
[ 43.303995][ T509] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.304597][ T509] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.305100][ T509] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.305591][ T509] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.306069][ T509] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.306680][  T509] RIP: 0033:0x7f45bccc41e7
[ 43.307186][ 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)
[   43.308915][  T509] RSP: 002b:00007ffe26e7fe58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.309664][  T509] RAX: ffffffffffffffda RBX: 00007ffe26e80580 RCX: 00007f45bccc41e7
[   43.310349][  T509] RDX: 0000000000000000 RSI: 00007ffe26e7fec0 RDI: 0000000000000005
[   43.310984][  T509] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.311713][  T509] R10: 00007f45bcbc1ee8 R11: 0000000000000246 R12: 0000000000000004
[   43.312443][  T509] R13: 00000000686e1f50 R14: 0000000000499600 R15: 0000000000000000
| [   43.432013][  T510] ------------[ cut here ]------------
| [ 43.432353][ T510] WARNING: CPU: 0 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) 
| [   43.432911][  T510] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q dummy vrf veth
| [   43.434068][  T510] Tainted: [W]=WARN
[   43.434284][  T510] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.434635][ 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) 
[ 43.434917][ 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
[   43.435900][  T510] RSP: 0018:ffffc900006b7140 EFLAGS: 00010246
[   43.436269][  T510] RAX: 0000000000000000 RBX: ffff88800bb71000 RCX: 0000000000000001
[   43.436682][  T510] RDX: 0000000000000000 RSI: ffffffffb1e9b941 RDI: ffffffffb16555e0
[   43.437099][  T510] RBP: ffffc900006b7230 R08: ffff88800b40e800 R09: 0000000000000000
[   43.437548][  T510] R10: ffffc900006b75c8 R11: ffffffffb2c50668 R12: 1ffff920000d6e2c
[   43.437974][  T510] R13: 00000000000007d0 R14: ffffc900006b7880 R15: ffff88800e1374e0
[   43.438395][  T510] FS:  00007fbf8776f800(0000) GS:ffff8880822b7000(0000) knlGS:0000000000000000
[   43.438876][  T510] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.439229][  T510] CR2: 00000000004e59c0 CR3: 000000000e64d006 CR4: 0000000000772ef0
[   43.439644][  T510] PKRU: 55555554
[   43.439855][  T510] Call Trace:
[   43.440062][  T510]  <TASK>
[ 43.440209][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.440492][ T510] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 43.440765][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.441043][ T510] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 43.441325][ T510] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 43.441600][ T510] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 43.441896][ T510] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 43.442193][ T510] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 43.442549][ T510] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 43.442823][ T510] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 43.443095][ T510] ? __kernel_text_address (kernel/extable.c:79) 
[ 43.443383][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.443666][ 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) 
[ 43.443960][ T510] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 43.444317][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.444593][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.444866][ T510] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 43.445137][ T510] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 43.445424][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.445699][ T510] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 43.445977][ T510] ? __create_object (mm/kmemleak.c:771) 
[ 43.446266][ T510] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 43.446541][ T510] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 43.446815][ T510] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 43.447154][ T510] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 43.447464][ T510] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 43.447747][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.448032][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.448334][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.448617][ T510] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 43.448893][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.449186][ T510] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 43.449465][ T510] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 43.449742][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.450017][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.450308][ T510] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 43.450591][ T510] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 43.450867][ T510] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 43.451154][ T510] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 43.451442][ 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) 
[ 43.451734][ T510] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 43.452012][ T510] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 43.452316][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.452602][ T510] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 43.452879][ T510] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 43.453156][ T510] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 43.453454][ T510] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 43.453746][ T510] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 43.454021][ T510] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 43.454385][ T510] ___sys_sendmsg (net/socket.c:2670) 
[ 43.454665][ T510] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 43.454948][ 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) 
[ 43.455301][ T510] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 43.455586][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.455868][ T510] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 43.456150][ T510] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 43.456431][ 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) 
[ 43.456720][ T510] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 43.457001][ T510] __sys_sendmsg (net/socket.c:2700) 
[ 43.457284][ T510] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 43.457624][ T510] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 43.457908][ T510] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 43.458363][ T510] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 43.458873][ T510] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   43.459509][  T510] RIP: 0033:0x7fbf8793c1e7
[ 43.459886][ 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)
[   43.460913][  T510] RSP: 002b:00007ffe8c417ee8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   43.461339][  T510] RAX: ffffffffffffffda RBX: 00007ffe8c418610 RCX: 00007fbf8793c1e7
[   43.461759][  T510] RDX: 0000000000000000 RSI: 00007ffe8c417f50 RDI: 0000000000000005
[   43.462199][  T510] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   43.462615][  T510] R10: 00007fbf87839ee8 R11: 0000000000000246 R12: 0000000000000004


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