======================================
| [   34.146085][  T416] GACT probability NOT on
| [   40.238087][  T473] ------------[ cut here ]------------
| [ 40.238675][ T473] WARNING: CPU: 0 PID: 473 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) 
| [   40.239239][  T473] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   40.240970][  T473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.241322][ T473] 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) 
[ 40.241816][ T473] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.243090][  T473] RSP: 0018:ffffc900009f7140 EFLAGS: 00010246
[   40.243457][  T473] RAX: 0000000000000000 RBX: ffff8880081fc000 RCX: 0000000000000001
[   40.243887][  T473] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   40.244308][  T473] RBP: ffffc900009f7230 R08: ffff888004f40800 R09: 0000000000000000
[   40.244739][  T473] R10: ffffc900009f75c8 R11: ffffffff9f050668 R12: 1ffff9200013ee2c
[   40.245150][  T473] R13: 00000000000007d0 R14: ffffc900009f7880 R15: ffff88800ec3f160
[   40.245578][  T473] FS:  00007fb9b5a74800(0000) GS:ffff888095eb7000(0000) knlGS:0000000000000000
[   40.246075][  T473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.246444][  T473] CR2: 00000000004e5aa0 CR3: 000000000a309003 CR4: 0000000000772ef0
[   40.246871][  T473] PKRU: 55555554
[   40.247078][  T473] Call Trace:
[   40.247286][  T473]  <TASK>
[ 40.247441][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.247734][ T473] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.248010][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.248537][ T473] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.248827][ T473] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.249105][ T473] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.249389][ T473] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.249690][ T473] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.250037][ T473] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.250316][ T473] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.250601][ T473] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.250899][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.251182][ T473] ? __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) 
[ 40.251469][ T473] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.251823][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.252102][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.252386][ T473] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.252681][ T473] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.252956][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.253231][ T473] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.253513][ T473] ? __create_object (mm/kmemleak.c:771) 
[ 40.253801][ T473] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.254075][ T473] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.254350][ T473] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.254766][ T473] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.255048][ T473] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.255331][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.255621][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.255933][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.256258][ T473] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.256716][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.257202][ T473] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.257709][ T473] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.258144][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.258623][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.259088][ T473] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.259561][ T473] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.260101][ T473] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.260571][ T473] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.261086][ T473] ? 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) 
[ 40.261574][ T473] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.262085][ T473] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.262572][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.263088][ T473] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.263588][ T473] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.264059][ T473] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.264575][ T473] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.265085][ T473] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.265570][ T473] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.266221][ T473] ___sys_sendmsg (net/socket.c:2670) 
[ 40.266721][ T473] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.267208][ T473] ? __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) 
[ 40.267811][ T473] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.268253][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.268751][ T473] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.269249][ T473] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.269743][ T473] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.270222][ T473] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.270734][ T473] __sys_sendmsg (net/socket.c:2700) 
[ 40.271230][ T473] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.271858][ T473] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.272363][ T473] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.272867][ T473] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.273339][ T473] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.273953][  T473] RIP: 0033:0x7fb9b5c411e7
[ 40.274465][ T473] 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)
[   40.276191][  T473] RSP: 002b:00007fff3a4d6268 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.276944][  T473] RAX: ffffffffffffffda RBX: 00007fff3a4d6990 RCX: 00007fb9b5c411e7
[   40.277680][  T473] RDX: 0000000000000000 RSI: 00007fff3a4d62d0 RDI: 0000000000000005
[   40.278401][  T473] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.279149][  T473] R10: 00007fb9b5b3eee8 R11: 0000000000000246 R12: 0000000000000004
[   40.279895][  T473] R13: 00000000686e6816 R14: 0000000000499600 R15: 0000000000000000
| [   40.414457][  T474] ------------[ cut here ]------------
| [ 40.414865][ T474] WARNING: CPU: 0 PID: 474 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) 
| [   40.415416][  T474] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.416580][  T474] Tainted: [W]=WARN
[   40.416810][  T474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.417155][ T474] 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) 
[ 40.417438][ T474] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.418431][  T474] RSP: 0018:ffffc900004e7140 EFLAGS: 00010246
[   40.418790][  T474] RAX: 0000000000000000 RBX: ffff888009609000 RCX: 0000000000000001
[   40.419200][  T474] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   40.419608][  T474] RBP: ffffc900004e7230 R08: ffff88800b783800 R09: 0000000000000000
[   40.420031][  T474] R10: ffffc900004e75c8 R11: ffffffff9f050668 R12: 1ffff9200009ce2c
[   40.420439][  T474] R13: 00000000000007d0 R14: ffffc900004e7880 R15: ffff88800ec3fbe0
[   40.420856][  T474] FS:  00007fc458761800(0000) GS:ffff888095eb7000(0000) knlGS:0000000000000000
[   40.421347][  T474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.421704][  T474] CR2: 00000000004e5aa8 CR3: 000000000ab2d004 CR4: 0000000000772ef0
[   40.422116][  T474] PKRU: 55555554
[   40.422321][  T474] Call Trace:
[   40.422529][  T474]  <TASK>
[ 40.422680][ T474] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.422960][ T474] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.423230][ T474] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.423507][ T474] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.423942][ T474] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.424220][ T474] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.424495][ T474] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.424944][ T474] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.425290][ T474] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.425560][ T474] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.425974][ T474] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.426251][ T474] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.426534][ T474] ? __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) 
[ 40.426818][ T474] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.427157][ T474] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.427429][ T474] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.427708][ T474] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.427986][ T474] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.428259][ T474] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.428532][ T474] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.428813][ T474] ? __create_object (mm/kmemleak.c:771) 
[ 40.429090][ T474] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.429363][ T474] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.429650][ T474] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.429989][ T474] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.430272][ T474] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.430547][ T474] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.430828][ T474] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.431113][ T474] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.431384][ T474] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.431660][ T474] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.431935][ T474] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.432204][ T474] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.432481][ T474] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.432804][ T474] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.433082][ T474] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.433355][ T474] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.433642][ T474] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.433928][ T474] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.434203][ T474] ? 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) 
[ 40.434482][ T474] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.434768][ T474] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.435042][ T474] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.435318][ T474] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.435594][ T474] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.435879][ T474] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.436160][ T474] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.436441][ T474] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.436725][ T474] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.437077][ T474] ___sys_sendmsg (net/socket.c:2670) 
[ 40.437350][ T474] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.437643][ T474] ? __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) 
[ 40.437988][ T474] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.438263][ T474] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.438544][ T474] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.438832][ T474] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.439108][ T474] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.439382][ T474] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.439671][ T474] __sys_sendmsg (net/socket.c:2700) 
[ 40.439944][ T474] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.440284][ T474] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.440578][ T474] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.440860][ T474] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.441149][ T474] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.441488][  T474] RIP: 0033:0x7fc45892e1e7
[ 40.441779][ T474] 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)
[   40.442967][  T474] RSP: 002b:00007ffd2f106df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.443722][  T474] RAX: ffffffffffffffda RBX: 00007ffd2f107520 RCX: 00007fc45892e1e7
[   40.444449][  T474] RDX: 0000000000000000 RSI: 00007ffd2f106e60 RDI: 0000000000000005
[   40.445185][  T474] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.445936][  T474] R10: 00007fc45882bee8 R11: 0000000000000246 R12: 0000000000000004
[   40.446671][  T474] R13: 00000000686e6816 R14: 0000000000499600 R15: 0000000000000000
| [   40.597838][  T475] ------------[ cut here ]------------
| [ 40.598197][ T475] WARNING: CPU: 2 PID: 475 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) 
| [   40.598793][  T475] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.600051][  T475] Tainted: [W]=WARN
[   40.600294][  T475] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.600677][ T475] 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) 
[ 40.601005][ T475] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.602067][  T475] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   40.602448][  T475] RAX: 0000000000000000 RBX: ffff888005139000 RCX: 0000000000000001
[   40.603168][  T475] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   40.603613][  T475] RBP: ffffc900004d7230 R08: ffff888008fae800 R09: 0000000000000000
[   40.604070][  T475] R10: ffffc900004d75c8 R11: ffffffff9f050668 R12: 1ffff9200009ae2c
[   40.604520][  T475] R13: 00000000000007d0 R14: ffffc900004d7880 R15: ffff88800ec3c760
[   40.604972][  T475] FS:  00007fc831131800(0000) GS:ffff888095fb7000(0000) knlGS:0000000000000000
[   40.605494][  T475] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.605877][  T475] CR2: 00000000004e73b0 CR3: 000000000dd99005 CR4: 0000000000772ef0
[   40.606331][  T475] PKRU: 55555554
[   40.606559][  T475] Call Trace:
[   40.606797][  T475]  <TASK>
[ 40.606958][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.607267][ T475] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.607567][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.607879][ T475] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.608181][ T475] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.608490][ T475] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.608808][ T475] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.609114][ T475] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.609495][ T475] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.609805][ T475] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.610104][ T475] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.610409][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.610731][ T475] ? __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) 
[ 40.611045][ T475] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.611426][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.611756][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.612057][ T475] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.612361][ T475] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.612675][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.612982][ T475] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.613280][ T475] ? __create_object (mm/kmemleak.c:771) 
[ 40.613585][ T475] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.613900][ T475] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.614200][ T475] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.614569][ T475] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.614886][ T475] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.615192][ T475] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.615500][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.615828][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.616131][ T475] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.616431][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.616748][ T475] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.617047][ T475] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.617349][ T475] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.617667][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.617981][ T475] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.618282][ T475] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.618659][ T475] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.618976][ T475] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.619279][ T475] ? 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) 
[ 40.619582][ T475] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.619899][ T475] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.620203][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.620516][ T475] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.620831][ T475] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.621142][ T475] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.621448][ T475] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.621769][ T475] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.622067][ T475] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.622490][ T475] ___sys_sendmsg (net/socket.c:2670) 
[ 40.622805][ T475] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.623109][ T475] ? __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) 
[ 40.623482][ T475] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.623806][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.624151][ T475] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.624465][ T475] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.624788][ T475] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.625089][ T475] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.625398][ T475] __sys_sendmsg (net/socket.c:2700) 
[ 40.625712][ T475] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.626084][ T475] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.626436][ T475] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.626865][ T475] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.627168][ T475] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.627523][  T475] RIP: 0033:0x7fc8312fe1e7
[ 40.627834][ T475] 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)
[   40.628845][  T475] RSP: 002b:00007fff80c64058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.629280][  T475] RAX: ffffffffffffffda RBX: 00007fff80c64780 RCX: 00007fc8312fe1e7
[   40.629717][  T475] RDX: 0000000000000000 RSI: 00007fff80c640c0 RDI: 0000000000000005
[   40.630236][  T475] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.630711][  T475] R10: 00007fc8311fbee8 R11: 0000000000000246 R12: 0000000000000004
[   40.631168][  T475] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   40.760254][  T476] ------------[ cut here ]------------
| [ 40.760694][ T476] WARNING: CPU: 1 PID: 476 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) 
| [   40.761289][  T476] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.762498][  T476] Tainted: [W]=WARN
[   40.763913][  T476] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.764275][ T476] 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) 
[ 40.764575][ T476] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.765613][  T476] RSP: 0018:ffffc900004d7140 EFLAGS: 00010246
[   40.765985][  T476] RAX: 0000000000000000 RBX: ffff888004ddc000 RCX: 0000000000000001
[   40.766420][  T476] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   40.766866][  T476] RBP: ffffc900004d7230 R08: ffff8880093b8800 R09: 0000000000000000
[   40.767301][  T476] R10: ffffc900004d75c8 R11: ffffffff9f050668 R12: 1ffff9200009ae2c
[   40.767741][  T476] R13: 00000000000007d0 R14: ffffc900004d7880 R15: ffff88800ec3d1e0
[   40.768171][  T476] FS:  00007f4e3a6ef800(0000) GS:ffff888095f37000(0000) knlGS:0000000000000000
[   40.768690][  T476] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.769050][  T476] CR2: 00000000004e5ab0 CR3: 000000000ab31001 CR4: 0000000000772ef0
[   40.769485][  T476] PKRU: 55555554
[   40.769712][  T476] Call Trace:
[   40.769929][  T476]  <TASK>
[ 40.770077][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.770377][ T476] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.770681][ T476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.770985][ T476] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.771274][ T476] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.771566][ T476] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.771868][ T476] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.772161][ T476] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.772532][ T476] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.772834][ T476] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.773123][ T476] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.773413][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.773718][ T476] ? __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) 
[ 40.774009][ T476] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.774370][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.774673][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.774967][ T476] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.775253][ T476] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.775544][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.775841][ T476] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.776129][ T476] ? __create_object (mm/kmemleak.c:771) 
[ 40.776422][ T476] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.776719][ T476] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.777013][ T476] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.777374][ T476] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.777690][ T476] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.777984][ T476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.778270][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.778563][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.778862][ T476] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.779149][ T476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.779487][ T476] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.779785][ T476] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.780075][ T476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.780369][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.780671][ T476] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.780973][ T476] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.781261][ T476] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.781564][ T476] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.781862][ T476] ? 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) 
[ 40.782150][ T476] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.782442][ T476] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.782735][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.783029][ T476] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.783322][ T476] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.783614][ T476] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.783919][ T476] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.784213][ T476] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.784499][ T476] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.784877][ T476] ___sys_sendmsg (net/socket.c:2670) 
[ 40.785164][ T476] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.785450][ T476] ? __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) 
[ 40.785826][ T476] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.786118][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.786410][ T476] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.786714][ T476] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.787004][ T476] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.787289][ T476] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.787584][ T476] __sys_sendmsg (net/socket.c:2700) 
[ 40.787875][ T476] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.788237][ T476] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.788537][ T476] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.788835][ T476] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.789126][ T476] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.789479][  T476] RIP: 0033:0x7f4e3a8bc1e7
[ 40.789789][ T476] 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)
[   40.790854][  T476] RSP: 002b:00007ffeaf135a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.791299][  T476] RAX: ffffffffffffffda RBX: 00007ffeaf136180 RCX: 00007f4e3a8bc1e7
[   40.791740][  T476] RDX: 0000000000000000 RSI: 00007ffeaf135ac0 RDI: 0000000000000005
[   40.792185][  T476] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.792621][  T476] R10: 00007f4e3a7b9ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.793065][  T476] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   40.925601][  T477] ------------[ cut here ]------------
| [ 40.926024][ T477] WARNING: CPU: 1 PID: 477 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) 
| [   40.926607][  T477] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   40.927850][  T477] Tainted: [W]=WARN
[   40.928071][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.928435][ T477] 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) 
[ 40.928741][ T477] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.929779][  T477] RSP: 0018:ffffc900004c7140 EFLAGS: 00010246
[   40.930146][  T477] RAX: 0000000000000000 RBX: ffff8880090ec000 RCX: 0000000000000001
[   40.930578][  T477] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   40.931029][  T477] RBP: ffffc900004c7230 R08: ffff88800a5ce800 R09: 0000000000000000
[   40.931460][  T477] R10: ffffc900004c75c8 R11: ffffffff9f050668 R12: 1ffff92000098e2c
[   40.931904][  T477] R13: 00000000000007d0 R14: ffffc900004c7880 R15: ffff88800ab17860
[   40.932336][  T477] FS:  00007f4c1bcf1800(0000) GS:ffff888095f37000(0000) knlGS:0000000000000000
[   40.932850][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.933214][  T477] CR2: 00000000004e55b8 CR3: 000000000c09d003 CR4: 0000000000772ef0
[   40.933662][  T477] PKRU: 55555554
[   40.933879][  T477] Call Trace:
[   40.934095][  T477]  <TASK>
[ 40.934242][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.934538][ T477] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.934836][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.935128][ T477] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.935417][ T477] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.935726][ T477] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.936018][ T477] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.936312][ T477] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.936689][ T477] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.936981][ T477] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.937270][ T477] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.937561][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.937868][ T477] ? __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) 
[ 40.938157][ T477] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.938513][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.938814][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.939100][ T477] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.939386][ T477] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.939683][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.939978][ T477] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.940264][ T477] ? __create_object (mm/kmemleak.c:771) 
[ 40.940552][ T477] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.940847][ T477] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.941145][ T477] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.941506][ T477] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.941823][ T477] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.942114][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.942407][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.942835][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.943134][ T477] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.943422][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.943717][ T477] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.944004][ T477] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.944294][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.944597][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.944899][ T477] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.945192][ T477] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.945484][ T477] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.945793][ T477] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.946083][ T477] ? 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) 
[ 40.946374][ T477] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 40.946685][ T477] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.946973][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.947270][ T477] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.947564][ T477] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.947863][ T477] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.948160][ T477] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.948453][ T477] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.948748][ T477] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.949125][ T477] ___sys_sendmsg (net/socket.c:2670) 
[ 40.949411][ T477] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.949707][ T477] ? __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) 
[ 40.950072][ T477] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.950364][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.950675][ T477] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.950977][ T477] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.951273][ T477] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 40.951560][ T477] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.951869][ T477] __sys_sendmsg (net/socket.c:2700) 
[ 40.952155][ T477] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.952513][ T477] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.952821][ T477] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.953109][ T477] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.953406][ T477] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.953787][  T477] RIP: 0033:0x7f4c1bebe1e7
[ 40.954088][ T477] 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)
[   40.955128][  T477] RSP: 002b:00007ffcc35c0db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.955571][  T477] RAX: ffffffffffffffda RBX: 00007ffcc35c14e0 RCX: 00007f4c1bebe1e7
[   40.956012][  T477] RDX: 0000000000000000 RSI: 00007ffcc35c0e20 RDI: 0000000000000005
[   40.956446][  T477] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.956887][  T477] R10: 00007f4c1bdbbee8 R11: 0000000000000246 R12: 0000000000000004
[   40.957327][  T477] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   41.074105][  T478] ------------[ cut here ]------------
| [ 41.074443][ T478] WARNING: CPU: 0 PID: 478 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.076292][  T478] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.077476][  T478] Tainted: [W]=WARN
[   41.077696][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.078048][ T478] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.078349][ T478] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.079352][  T478] RSP: 0018:ffffc900008ff140 EFLAGS: 00010246
[   41.079712][  T478] RAX: 0000000000000000 RBX: ffff88800aba4000 RCX: 0000000000000001
[   41.080130][  T478] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   41.080556][  T478] RBP: ffffc900008ff230 R08: ffff88800dccb800 R09: 0000000000000000
[   41.080990][  T478] R10: ffffc900008ff5c8 R11: ffffffff9f050668 R12: 1ffff9200011fe2c
[   41.081417][  T478] R13: 00000000000007d0 R14: ffffc900008ff880 R15: ffff88800ab16de0
[   41.081843][  T478] FS:  00007f45b3312800(0000) GS:ffff888095eb7000(0000) knlGS:0000000000000000
[   41.082336][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.082718][  T478] CR2: 00000000004e5ac8 CR3: 000000000dd48005 CR4: 0000000000772ef0
[   41.083137][  T478] PKRU: 55555554
[   41.083347][  T478] Call Trace:
[   41.083556][  T478]  <TASK>
[ 41.083716][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.084004][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.084279][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.084561][ T478] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.084847][ T478] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.085127][ T478] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.085409][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.085708][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.086059][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.086334][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.086607][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.086894][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.087171][ T478] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.087446][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.087803][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.088082][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.088356][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.088642][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.088923][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.089197][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.089471][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 41.089766][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.090043][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.090317][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.090679][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.090977][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.091263][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.091539][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.091834][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.092118][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.092393][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.092684][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.092959][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.093237][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.093516][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.093820][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.094100][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.094385][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.094687][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.094965][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.095241][ T478] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.095519][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.095804][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.096092][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.096371][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.096655][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.096943][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.097226][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.097499][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.097866][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 41.098141][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.098423][ T478] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.098780][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.099059][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.099339][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.099623][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.099910][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.100185][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.100473][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 41.100758][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.101112][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.101401][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.101690][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.101970][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.102314][  T478] RIP: 0033:0x7f45b34df1e7
[ 41.102612][ T478] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.103618][  T478] RSP: 002b:00007fff2a6ec068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.104048][  T478] RAX: ffffffffffffffda RBX: 00007fff2a6ec790 RCX: 00007f45b34df1e7
[   41.104470][  T478] RDX: 0000000000000000 RSI: 00007fff2a6ec0d0 RDI: 0000000000000005
[   41.104899][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.105315][  T478] R10: 00007f45b33dcee8 R11: 0000000000000246 R12: 0000000000000004
[   41.105741][  T478] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   41.234705][  T479] ------------[ cut here ]------------
| [ 41.235058][ T479] WARNING: CPU: 2 PID: 479 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.235627][  T479] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.237274][  T479] Tainted: [W]=WARN
[   41.237494][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.237859][ T479] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.238153][ T479] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.239158][  T479] RSP: 0018:ffffc900008ff140 EFLAGS: 00010246
[   41.239521][  T479] RAX: 0000000000000000 RBX: ffff88800aba9000 RCX: 0000000000000001
[   41.240077][  T479] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   41.240511][  T479] RBP: ffffc900008ff230 R08: ffff88800b77d000 R09: 0000000000000000
[   41.240962][  T479] R10: ffffc900008ff5c8 R11: ffffffff9f050668 R12: 1ffff9200011fe2c
[   41.241408][  T479] R13: 00000000000007d0 R14: ffffc900008ff880 R15: ffff88800ab16360
[   41.241842][  T479] FS:  00007f171708d800(0000) GS:ffff888095fb7000(0000) knlGS:0000000000000000
[   41.242357][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.242738][  T479] CR2: 00000000004e5ac0 CR3: 000000000dcad001 CR4: 0000000000772ef0
[   41.243179][  T479] PKRU: 55555554
[   41.243401][  T479] Call Trace:
[   41.243641][  T479]  <TASK>
[ 41.243805][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.244109][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.244403][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.244721][ T479] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.245027][ T479] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.245331][ T479] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.245642][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.245938][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.246318][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.246611][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.246920][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.247212][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.247502][ T479] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.247802][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.248153][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.248462][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.248776][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.249065][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.249371][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.249673][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.249958][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 41.250250][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.250539][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.250836][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.251224][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.251530][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.251839][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.252132][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.252436][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.252740][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.253023][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.253313][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.253603][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.253904][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.254196][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.254487][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.254789][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.255075][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.255373][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.255675][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.255965][ T479] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.256252][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.256538][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.256838][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.257127][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.257413][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.257724][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.258016][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.258302][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.258676][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 41.258965][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.259249][ T479] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.259606][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.259913][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.260205][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.260495][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.260794][ T479] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.261094][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.261392][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 41.261689][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.262052][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.262351][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.262657][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.262949][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.263309][  T479] RIP: 0033:0x7f171725a1e7
[ 41.263610][ T479] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.264643][  T479] RSP: 002b:00007fffbd1fd6c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.265098][  T479] RAX: ffffffffffffffda RBX: 00007fffbd1fddf0 RCX: 00007f171725a1e7
[   41.265521][  T479] RDX: 0000000000000000 RSI: 00007fffbd1fd730 RDI: 0000000000000005
[   41.265991][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.266432][  T479] R10: 00007f1717157ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.266871][  T479] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   41.436705][  T480] ------------[ cut here ]------------
| [ 41.437188][ T480] WARNING: CPU: 3 PID: 480 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.438147][  T480] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.440132][  T480] Tainted: [W]=WARN
[   41.440483][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.441112][ T480] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.441609][ T480] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.443340][  T480] RSP: 0018:ffffc900005e7140 EFLAGS: 00010246
[   41.443976][  T480] RAX: 0000000000000000 RBX: ffff888009279000 RCX: 0000000000000001
[   41.444717][  T480] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   41.445439][  T480] RBP: ffffc900005e7230 R08: ffff88800e313800 R09: 0000000000000000
[   41.446183][  T480] R10: ffffc900005e75c8 R11: ffffffff9f050668 R12: 1ffff920000bce2c
[   41.446914][  T480] R13: 00000000000007d0 R14: ffffc900005e7880 R15: ffff88800ab158e0
[   41.447655][  T480] FS:  00007fca45d53800(0000) GS:ffff888096037000(0000) knlGS:0000000000000000
[   41.448465][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.449078][  T480] CR2: 00000000004e73c8 CR3: 0000000004f8c002 CR4: 0000000000772ef0
[   41.449792][  T480] PKRU: 55555554
[   41.450147][  T480] Call Trace:
[   41.450492][  T480]  <TASK>
[ 41.450752][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.451249][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.451726][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.452204][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.452694][ T480] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.453176][ T480] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.453682][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.454185][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.454812][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.455287][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.455755][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.456243][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.456753][ T480] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.457200][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.457787][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.458277][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.458780][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.459280][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.459782][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.460222][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.460710][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 41.461217][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.461721][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.462207][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.462830][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.463348][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.463868][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.464353][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.464870][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.465369][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.465873][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.466367][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.466872][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.467374][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.467888][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.468386][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.468865][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.469352][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.469865][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.470345][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.470846][ T480] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.471234][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.471519][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.471818][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.472100][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.472378][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.472670][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.472960][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.473234][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.473593][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 41.473877][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.474155][ T480] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.474503][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.474795][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.475094][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.475381][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.475675][ T480] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.475953][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.476237][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 41.476513][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.476873][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.477171][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.477451][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.477741][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.478082][  T480] RIP: 0033:0x7fca45f201e7
[ 41.478371][ T480] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.479370][  T480] RSP: 002b:00007ffd1e3f9d98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.479804][  T480] RAX: ffffffffffffffda RBX: 00007ffd1e3fa4c0 RCX: 00007fca45f201e7
[   41.480226][  T480] RDX: 0000000000000000 RSI: 00007ffd1e3f9e00 RDI: 0000000000000005
[   41.480649][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.481092][  T480] R10: 00007fca45e1dee8 R11: 0000000000000246 R12: 0000000000000004
[   41.481506][  T480] R13: 00000000686e6817 R14: 0000000000499600 R15: 0000000000000000
| [   41.606604][  T481] ------------[ cut here ]------------
| [ 41.606929][ T481] WARNING: CPU: 3 PID: 481 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.607511][  T481] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.609164][  T481] Tainted: [W]=WARN
[   41.609376][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.609724][ T481] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.610006][ T481] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.611006][  T481] RSP: 0018:ffffc900005e7140 EFLAGS: 00010246
[   41.611355][  T481] RAX: 0000000000000000 RBX: ffff888004f71000 RCX: 0000000000000001
[   41.611773][  T481] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   41.612183][  T481] RBP: ffffc900005e7230 R08: ffff88800b672000 R09: 0000000000000000
[   41.612599][  T481] R10: ffffc900005e75c8 R11: ffffffff9f050668 R12: 1ffff920000bce2c
[   41.613016][  T481] R13: 00000000000007d0 R14: ffffc900005e7880 R15: ffff88800ab14e60
[   41.613428][  T481] FS:  00007f77e98f3800(0000) GS:ffff888096037000(0000) knlGS:0000000000000000
[   41.613912][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.614261][  T481] CR2: 00000000004e5ab8 CR3: 000000000ab2d003 CR4: 0000000000772ef0
[   41.614690][  T481] PKRU: 55555554
[   41.614901][  T481] Call Trace:
[   41.615107][  T481]  <TASK>
[ 41.615246][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.615527][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.615808][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.616087][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.616366][ T481] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.616654][ T481] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.616934][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.617214][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.617560][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.617843][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.618116][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.618398][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.618686][ T481] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.618964][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.619304][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.619581][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.619860][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.620134][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.620420][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.620701][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.620983][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 41.621258][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.621532][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.621815][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.622157][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.622436][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.622729][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.623003][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.623284][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.623558][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.623855][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.624132][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.624406][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.624690][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.624974][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.625254][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.625528][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.625815][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.626104][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.626375][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.626665][ T481] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.626943][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.627217][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.627499][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.627794][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.628070][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.628353][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.628645][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.628930][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.629283][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 41.629552][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.629836][ T481] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.630179][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.630457][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.630748][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.631043][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.631317][ T481] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.631589][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.631880][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 41.632152][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.632490][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.632792][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.633075][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.633351][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.633699][  T481] RIP: 0033:0x7f77e9ac01e7
[ 41.633981][ T481] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.634973][  T481] RSP: 002b:00007ffc3b06a9a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.635389][  T481] RAX: ffffffffffffffda RBX: 00007ffc3b06b0d0 RCX: 00007f77e9ac01e7
[   41.635808][  T481] RDX: 0000000000000000 RSI: 00007ffc3b06aa10 RDI: 0000000000000005
[   41.636226][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.636648][  T481] R10: 00007f77e99bdee8 R11: 0000000000000246 R12: 0000000000000004
[   41.637064][  T481] R13: 00000000686e6818 R14: 0000000000499600 R15: 0000000000000000
| [   41.752198][  T482] ------------[ cut here ]------------
| [ 41.752502][ T482] WARNING: CPU: 1 PID: 482 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   41.753054][  T482] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.754194][  T482] Tainted: [W]=WARN
[   41.754401][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.756191][ T482] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 41.756479][ T482] Code: 00 00 8b 05 b7 bb 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 fa 61 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 b7 bb 3a 02    	mov    0x23abbb7(%rip),%eax        # 0x23abbbf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 fa 61 7b 00       	call   0x7b621b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.757577][  T482] RSP: 0018:ffffc900009f7140 EFLAGS: 00010246
[   41.757936][  T482] RAX: 0000000000000000 RBX: ffff88800abdc000 RCX: 0000000000000001
[   41.758346][  T482] RDX: 0000000000000000 RSI: ffffffff9e29b939 RDI: ffffffff9da555e0
[   41.758763][  T482] RBP: ffffc900009f7230 R08: ffff88800582e800 R09: 0000000000000000
[   41.759173][  T482] R10: ffffc900009f75c8 R11: ffffffff9f050668 R12: 1ffff9200013ee2c
[   41.759579][  T482] R13: 00000000000007d0 R14: ffffc900009f7880 R15: ffff88800ab143e0
[   41.759992][  T482] FS:  00007f961a68c800(0000) GS:ffff888095f37000(0000) knlGS:0000000000000000
[   41.760466][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.760825][  T482] CR2: 00000000004e59c0 CR3: 00000000092e9005 CR4: 0000000000772ef0
[   41.761251][  T482] PKRU: 55555554
[   41.761458][  T482] Call Trace:
[   41.761669][  T482]  <TASK>
[ 41.761808][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.762085][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.762357][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.762742][ T482] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.763182][ T482] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.763657][ T482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.764123][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.764603][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.765231][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.765720][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.766205][ T482] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.766717][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.767210][ T482] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 41.767706][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.768309][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.768819][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.769300][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.769746][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.770181][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.770482][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.770773][ T482] ? __create_object (mm/kmemleak.c:771) 
[ 41.771062][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.771349][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.771624][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.771979][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.772265][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.772559][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.772844][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.773125][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.773411][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.773691][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.773966][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.774240][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.774532][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.774822][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.775102][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.775389][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.775675][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.775962][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.776233][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 41.776529][ T482] netlink_unicast (net/netlink/af_netlink.c:1321 net/netlink/af_netlink.c:1346) 
[ 41.776819][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.777094][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.777385][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.777673][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.777948][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.778229][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.778624][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.778934][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.779285][ T482] ___sys_sendmsg (net/socket.c:2670) 
[ 41.779565][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.779867][ T482] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 41.780209][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.780496][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.780801][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.781093][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.781386][ T482] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.781675][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.782004][ T482] __sys_sendmsg (net/socket.c:2700) 
[ 41.782284][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.782649][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.782935][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.783218][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.783509][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.783860][  T482] RIP: 0033:0x7f961a8591e7
[ 41.784144][ T482] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   41.785172][  T482] RSP: 002b:00007fff88aa1648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.785599][  T482] RAX: ffffffffffffffda RBX: 00007fff88aa1d70 RCX: 00007f961a8591e7
[   41.786022][  T482] RDX: 0000000000000000 RSI: 00007fff88aa16b0 RDI: 0000000000000005
[   41.786445][  T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.786873][  T482] R10: 00007f961a756ee8 R11: 0000000000000246 R12: 0000000000000004


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