======================================
| [   34.914945][  T421] GACT probability NOT on
| [   40.949761][  T478] ------------[ cut here ]------------
| [ 40.950341][ T478] WARNING: CPU: 3 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) 
| [   40.950921][  T478] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
[   40.952133][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 40.952490][ 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) 
[ 40.952785][ T478] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   40.953812][  T478] RSP: 0018:ffffc90000827140 EFLAGS: 00010246
[   40.954173][  T478] RAX: 0000000000000000 RBX: ffff88800a0e1000 RCX: 0000000000000001
[   40.954599][  T478] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   40.955032][  T478] RBP: ffffc90000827230 R08: ffff8880052fd000 R09: 0000000000000000
[   40.955771][  T478] R10: ffffc900008275c8 R11: ffffffff9b650668 R12: 1ffff92000104e2c
[   40.956204][  T478] R13: 00000000000007d0 R14: ffffc90000827880 R15: ffff88800ecaa360
[   40.956628][  T478] FS:  00007f4a43bd6800(0000) GS:ffff888099a37000(0000) knlGS:0000000000000000
[   40.957128][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.957493][  T478] CR2: 00000000004e5aa0 CR3: 000000000ba04004 CR4: 0000000000772ef0
[   40.957931][  T478] PKRU: 55555554
[   40.958145][  T478] Call Trace:
[   40.958359][  T478]  <TASK>
[ 40.958505][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.958797][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 40.959089][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.959380][ T478] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 40.959666][ T478] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 40.959957][ T478] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 40.960246][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 40.960537][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 40.960901][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 40.961183][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 40.961480][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 40.961762][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.962053][ 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) 
[ 40.962335][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 40.962687][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.962990][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.963278][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 40.963567][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 40.963862][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.964143][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 40.964422][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 40.964706][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 40.964998][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 40.965278][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 40.965634][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 40.965931][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 40.966219][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.966502][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.966788][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.967078][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 40.967357][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.967642][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 40.967938][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 40.968219][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.968513][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.968812][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 40.969096][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 40.969375][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 40.969669][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 40.969969][ 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) 
[ 40.970256][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 40.970552][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 40.970841][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.971124][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 40.971427][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 40.971708][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 40.972006][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 40.972303][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 40.972584][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 40.972954][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 40.973277][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 40.973555][ 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) 
[ 40.973921][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 40.974222][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.974507][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 40.974790][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 40.975087][ 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) 
[ 40.975372][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 40.975657][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 40.975946][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 40.976296][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 40.976598][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 40.976903][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 40.977184][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   40.977532][  T478] RIP: 0033:0x7f4a43da31e7
[ 40.977850][ 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)
[   40.978888][  T478] RSP: 002b:00007fff3e781668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   40.979309][  T478] RAX: ffffffffffffffda RBX: 00007fff3e781d90 RCX: 00007f4a43da31e7
[   40.979743][  T478] RDX: 0000000000000000 RSI: 00007fff3e7816d0 RDI: 0000000000000005
[   40.980180][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   40.980606][  T478] R10: 00007f4a43ca0ee8 R11: 0000000000000246 R12: 0000000000000004
[   40.981040][  T478] R13: 00000000686e494b R14: 0000000000499600 R15: 0000000000000000
| [   41.100601][  T479] ------------[ cut here ]------------
| [ 41.100944][ T479] WARNING: CPU: 1 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) 
| [   41.101513][  T479] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.102702][  T479] Tainted: [W]=WARN
[   41.102930][  T479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.103281][ 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) 
[ 41.103573][ T479] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.104586][  T479] RSP: 0018:ffffc90000837140 EFLAGS: 00010246
[   41.104949][  T479] RAX: 0000000000000000 RBX: ffff888008dc1000 RCX: 0000000000000001
[   41.105368][  T479] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.105787][  T479] RBP: ffffc90000837230 R08: ffff8880052f6800 R09: 0000000000000000
[   41.106353][  T479] R10: ffffc900008375c8 R11: ffffffff9b650668 R12: 1ffff92000106e2c
[   41.106774][  T479] R13: 00000000000007d0 R14: ffffc90000837880 R15: ffff88800eca98e0
[   41.107329][  T479] FS:  00007fc04c312800(0000) GS:ffff888099937000(0000) knlGS:0000000000000000
[   41.107953][  T479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.108316][  T479] CR2: 00000000004e5aa8 CR3: 000000000e384006 CR4: 0000000000772ef0
[   41.108735][  T479] PKRU: 55555554
[   41.109087][  T479] Call Trace:
[   41.109306][  T479]  <TASK>
[ 41.109448][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.109734][ T479] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.110182][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.110474][ T479] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.110755][ T479] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.111108][ T479] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.111402][ T479] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.111691][ T479] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.112055][ T479] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.112339][ T479] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.112625][ T479] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.112914][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.113202][ 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) 
[ 41.113484][ T479] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.113849][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.114143][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.114422][ T479] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.114708][ T479] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.114999][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.115282][ T479] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.115560][ T479] ? __create_object (mm/kmemleak.c:771) 
[ 41.115853][ T479] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.116136][ T479] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.116413][ T479] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.116769][ T479] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.117065][ T479] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.117350][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.117627][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.117921][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.118207][ T479] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.118488][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.118770][ T479] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.119067][ T479] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.119351][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.119634][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.119929][ T479] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.120213][ T479] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.120495][ T479] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.120790][ T479] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.121086][ 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) 
[ 41.121381][ T479] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.121663][ T479] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.121953][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.122241][ T479] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.122533][ T479] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.122825][ T479] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.123115][ T479] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.123407][ T479] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.123686][ T479] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.124067][ T479] ___sys_sendmsg (net/socket.c:2670) 
[ 41.124347][ T479] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.124631][ 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) 
[ 41.125001][ T479] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.125291][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.125577][ T479] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.125878][ T479] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.126161][ 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) 
[ 41.126441][ T479] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.126727][ T479] __sys_sendmsg (net/socket.c:2700) 
[ 41.127015][ T479] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.127363][ T479] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.127664][ T479] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.127954][ T479] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.128236][ T479] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.128584][  T479] RIP: 0033:0x7fc04c4df1e7
[ 41.128881][ 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)
[   41.129893][  T479] RSP: 002b:00007ffdd1b16048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.130315][  T479] RAX: ffffffffffffffda RBX: 00007ffdd1b16770 RCX: 00007fc04c4df1e7
[   41.130735][  T479] RDX: 0000000000000000 RSI: 00007ffdd1b160b0 RDI: 0000000000000005
[   41.131163][  T479] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.131601][  T479] R10: 00007fc04c3dcee8 R11: 0000000000000246 R12: 0000000000000004
[   41.132031][  T479] R13: 00000000686e494b R14: 0000000000499600 R15: 0000000000000000
| [   41.249966][  T480] ------------[ cut here ]------------
| [ 41.250293][ 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) 
| [   41.250864][  T480] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.252400][  T480] Tainted: [W]=WARN
[   41.252619][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.252990][ 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) 
[ 41.253288][ T480] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.254325][  T480] RSP: 0018:ffffc90000857140 EFLAGS: 00010246
[   41.254694][  T480] RAX: 0000000000000000 RBX: ffff888005cbc000 RCX: 0000000000000001
[   41.255127][  T480] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.255552][  T480] RBP: ffffc90000857230 R08: ffff888002112000 R09: 0000000000000000
[   41.255983][  T480] R10: ffffc900008575c8 R11: ffffffff9b650668 R12: 1ffff9200010ae2c
[   41.256412][  T480] R13: 00000000000007d0 R14: ffffc90000857880 R15: ffff88800eca8e60
[   41.256836][  T480] FS:  00007f08ab9de800(0000) GS:ffff888099a37000(0000) knlGS:0000000000000000
[   41.257327][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.257687][  T480] CR2: 00000000004e73b0 CR3: 000000000506b006 CR4: 0000000000772ef0
[   41.258118][  T480] PKRU: 55555554
[   41.258336][  T480] Call Trace:
[   41.258547][  T480]  <TASK>
[ 41.258690][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.258991][ T480] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.259271][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.259560][ T480] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.259850][ T480] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.260134][ T480] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.260425][ T480] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.260713][ T480] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.261081][ T480] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.261372][ T480] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.261651][ T480] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.261943][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.262229][ 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) 
[ 41.262517][ T480] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.262874][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.263163][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.263442][ T480] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.263722][ T480] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.264014][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.264295][ T480] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.264580][ T480] ? __create_object (mm/kmemleak.c:771) 
[ 41.264876][ T480] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.265162][ T480] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.265443][ T480] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.265793][ T480] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.266108][ T480] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.266402][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.266688][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.266992][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.267277][ T480] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.267557][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.267854][ T480] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.268137][ T480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.268420][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.268702][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.269000][ T480] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.269292][ T480] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.269572][ T480] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.269872][ T480] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.270155][ 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) 
[ 41.270447][ T480] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.270733][ T480] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.271034][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.271335][ T480] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.271623][ T480] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.271914][ T480] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.272203][ T480] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.272491][ T480] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.272769][ T480] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.273144][ T480] ___sys_sendmsg (net/socket.c:2670) 
[ 41.273425][ T480] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.273709][ 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) 
[ 41.274071][ T480] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.274354][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.274641][ T480] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.274936][ T480] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.275220][ 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) 
[ 41.275510][ T480] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.275814][ T480] __sys_sendmsg (net/socket.c:2700) 
[ 41.276094][ T480] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.276448][ T480] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.276783][ T480] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.277083][ T480] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.277379][ T480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.277749][  T480] RIP: 0033:0x7f08abbab1e7
[ 41.278057][ 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)
[   41.279104][  T480] RSP: 002b:00007ffe66061348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.279550][  T480] RAX: ffffffffffffffda RBX: 00007ffe66061a70 RCX: 00007f08abbab1e7
[   41.280010][  T480] RDX: 0000000000000000 RSI: 00007ffe660613b0 RDI: 0000000000000005
[   41.280454][  T480] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.280914][  T480] R10: 00007f08abaa8ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.281365][  T480] R13: 00000000686e494b R14: 0000000000499600 R15: 0000000000000000
| [   41.418338][  T481] ------------[ cut here ]------------
| [ 41.418660][ 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) 
| [   41.419240][  T481] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.420391][  T481] Tainted: [W]=WARN
[   41.420600][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.420962][ 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) 
[ 41.421269][ T481] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.422267][  T481] RSP: 0018:ffffc90000867140 EFLAGS: 00010246
[   41.422614][  T481] RAX: 0000000000000000 RBX: ffff888004f64000 RCX: 0000000000000001
[   41.423033][  T481] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.423453][  T481] RBP: ffffc90000867230 R08: ffff88800c365000 R09: 0000000000000000
[   41.425285][  T481] R10: ffffc900008675c8 R11: ffffffff9b650668 R12: 1ffff9200010ce2c
[   41.425698][  T481] R13: 00000000000007d0 R14: ffffc90000867880 R15: ffff88800eca83e0
[   41.426123][  T481] FS:  00007fe4f1113800(0000) GS:ffff888099a37000(0000) knlGS:0000000000000000
[   41.426610][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.426980][  T481] CR2: 00000000004e5ab0 CR3: 000000000aba4001 CR4: 0000000000772ef0
[   41.427400][  T481] PKRU: 55555554
[   41.427606][  T481] Call Trace:
[   41.427823][  T481]  <TASK>
[ 41.427964][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.428252][ T481] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.428532][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.428820][ T481] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.429097][ T481] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.429374][ T481] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.429652][ T481] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.429943][ T481] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.430300][ T481] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.430575][ T481] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.430859][ T481] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.431138][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.431429][ 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) 
[ 41.431705][ T481] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.432059][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.432341][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.432614][ T481] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.432897][ T481] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.433174][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.433447][ T481] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.433720][ T481] ? __create_object (mm/kmemleak.c:771) 
[ 41.434011][ T481] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.434287][ T481] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.434570][ T481] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.434925][ T481] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.435207][ T481] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.435490][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.435763][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.436055][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.436333][ T481] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.436606][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.436901][ T481] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.437177][ T481] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.437455][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.437732][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.438027][ T481] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.438306][ T481] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.438582][ T481] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.438886][ T481] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.439160][ 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) 
[ 41.439437][ T481] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.439715][ T481] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.440003][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.440290][ T481] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.440570][ T481] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.440871][ T481] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.441162][ T481] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.441462][ T481] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.441742][ T481] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.442117][ T481] ___sys_sendmsg (net/socket.c:2670) 
[ 41.442392][ T481] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.442669][ 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) 
[ 41.443044][ T481] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.443328][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.443606][ T481] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.443896][ T481] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.444175][ 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) 
[ 41.444453][ T481] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.444737][ T481] __sys_sendmsg (net/socket.c:2700) 
[ 41.445019][ T481] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.445373][ T481] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.445670][ T481] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.445981][ T481] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.446260][ T481] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.446601][  T481] RIP: 0033:0x7fe4f12e01e7
[ 41.446899][ 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)
[   41.447909][  T481] RSP: 002b:00007ffef2ae0848 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.448327][  T481] RAX: ffffffffffffffda RBX: 00007ffef2ae0f70 RCX: 00007fe4f12e01e7
[   41.448741][  T481] RDX: 0000000000000000 RSI: 00007ffef2ae08b0 RDI: 0000000000000005
[   41.449179][  T481] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.449598][  T481] R10: 00007fe4f11ddee8 R11: 0000000000000246 R12: 0000000000000004
[   41.450028][  T481] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   41.588773][  T482] ------------[ cut here ]------------
| [ 41.589126][ 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) 
| [   41.589708][  T482] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.590879][  T482] Tainted: [W]=WARN
[   41.591098][  T482] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.591470][ 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) 
[ 41.591757][ T482] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.592779][  T482] RSP: 0018:ffffc90000867140 EFLAGS: 00010246
[   41.593147][  T482] RAX: 0000000000000000 RBX: ffff88800564c000 RCX: 0000000000000001
[   41.593560][  T482] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.593998][  T482] RBP: ffffc90000867230 R08: ffff888009be2000 R09: 0000000000000000
[   41.594421][  T482] R10: ffffc900008675c8 R11: ffffffff9b650668 R12: 1ffff9200010ce2c
[   41.595029][  T482] R13: 00000000000007d0 R14: ffffc90000867880 R15: ffff88800ec06360
[   41.595449][  T482] FS:  00007f6a12397800(0000) GS:ffff888099937000(0000) knlGS:0000000000000000
[   41.596108][  T482] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.596465][  T482] CR2: 00000000004e55b8 CR3: 000000000b92f001 CR4: 0000000000772ef0
[   41.597024][  T482] PKRU: 55555554
[   41.597234][  T482] Call Trace:
[   41.597443][  T482]  <TASK>
[ 41.597585][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.598001][ T482] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.598277][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.598558][ T482] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.598902][ T482] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.599188][ T482] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.599470][ T482] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.599752][ T482] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.600109][ T482] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.600393][ T482] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.600675][ T482] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.600964][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.601256][ 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) 
[ 41.601544][ T482] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.601898][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.602176][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.602453][ T482] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.602726][ T482] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.603013][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.603295][ T482] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.603573][ T482] ? __create_object (mm/kmemleak.c:771) 
[ 41.603859][ T482] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.604137][ T482] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.604415][ T482] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.604755][ T482] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.605046][ T482] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.605328][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.605612][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.605904][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.606203][ T482] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.606484][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.606777][ T482] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.607070][ T482] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.607356][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.607636][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.607953][ T482] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.608244][ T482] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.608537][ T482] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.608845][ T482] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.609128][ 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) 
[ 41.609418][ T482] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.609710][ T482] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.610013][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.610315][ T482] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.610611][ T482] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.610903][ T482] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.611195][ T482] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.611487][ T482] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.611767][ T482] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.612145][ T482] ___sys_sendmsg (net/socket.c:2670) 
[ 41.612433][ T482] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.612718][ 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) 
[ 41.613095][ T482] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.613396][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.613691][ T482] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.614006][ T482] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.614313][ 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) 
[ 41.614608][ T482] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.614924][ T482] __sys_sendmsg (net/socket.c:2700) 
[ 41.615223][ T482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.615587][ T482] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.615907][ T482] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.616204][ T482] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.616514][ T482] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.616888][  T482] RIP: 0033:0x7f6a125641e7
[ 41.617197][ 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)
[   41.618221][  T482] RSP: 002b:00007ffda3f51bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.618669][  T482] RAX: ffffffffffffffda RBX: 00007ffda3f522e0 RCX: 00007f6a125641e7
[   41.619095][  T482] RDX: 0000000000000000 RSI: 00007ffda3f51c20 RDI: 0000000000000005
[   41.619588][  T482] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.620024][  T482] R10: 00007f6a12461ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.620458][  T482] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   41.772163][  T483] ------------[ cut here ]------------
| [ 41.772539][ T483] WARNING: CPU: 2 PID: 483 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) 
| [   41.773138][  T483] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.774364][  T483] Tainted: [W]=WARN
[   41.774604][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.774999][ T483] 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) 
[ 41.775307][ T483] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.776344][  T483] RSP: 0018:ffffc90000937140 EFLAGS: 00010246
[   41.776721][  T483] RAX: 0000000000000000 RBX: ffff88800a9bc000 RCX: 0000000000000001
[   41.777169][  T483] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.777619][  T483] RBP: ffffc90000937230 R08: ffff88800c3f8800 R09: 0000000000000000
[   41.778068][  T483] R10: ffffc900009375c8 R11: ffffffff9b650668 R12: 1ffff92000126e2c
[   41.778511][  T483] R13: 00000000000007d0 R14: ffffc90000937880 R15: ffff88800ec07be0
[   41.778955][  T483] FS:  00007f7a6e3ce800(0000) GS:ffff8880999b7000(0000) knlGS:0000000000000000
[   41.779474][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.779854][  T483] CR2: 00000000004e5ac8 CR3: 000000000ae8a002 CR4: 0000000000772ef0
[   41.780295][  T483] PKRU: 55555554
[   41.780525][  T483] Call Trace:
[   41.780753][  T483]  <TASK>
[ 41.780921][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.781244][ T483] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.781551][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.781867][ T483] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.782164][ T483] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.782462][ T483] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.782761][ T483] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.783076][ T483] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.783454][ T483] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.783746][ T483] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.784049][ T483] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.784345][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.784652][ T483] ? __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) 
[ 41.784955][ T483] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.785316][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.785619][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.785928][ T483] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.786222][ T483] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.786520][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.786827][ T483] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.787120][ T483] ? __create_object (mm/kmemleak.c:771) 
[ 41.787421][ T483] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.787713][ T483] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.788027][ T483] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.788444][ T483] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.788744][ T483] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.789062][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.789361][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.789669][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.789975][ T483] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.790268][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.790571][ T483] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.790879][ T483] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.791177][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.791491][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.791790][ T483] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.792104][ T483] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.792400][ T483] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.792716][ T483] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.793022][ T483] ? 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) 
[ 41.793478][ T483] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.793782][ T483] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.794089][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.794386][ T483] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.794680][ T483] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.794989][ T483] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.795287][ T483] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.795587][ T483] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.795894][ T483] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.796273][ T483] ___sys_sendmsg (net/socket.c:2670) 
[ 41.796564][ T483] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.796871][ T483] ? __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) 
[ 41.797237][ T483] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.797533][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.797839][ T483] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.798139][ T483] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.798427][ T483] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.798719][ T483] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.799034][ T483] __sys_sendmsg (net/socket.c:2700) 
[ 41.799323][ T483] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.799689][ T483] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.800005][ T483] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.800299][ T483] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.800594][ T483] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.800959][  T483] RIP: 0033:0x7f7a6e59b1e7
[ 41.801275][ T483] 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)
[   41.802295][  T483] RSP: 002b:00007fff80021388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.802729][  T483] RAX: ffffffffffffffda RBX: 00007fff80021ab0 RCX: 00007f7a6e59b1e7
[   41.803179][  T483] RDX: 0000000000000000 RSI: 00007fff800213f0 RDI: 0000000000000005
[   41.803629][  T483] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.804070][  T483] R10: 00007f7a6e498ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.804499][  T483] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   41.913171][  T484] ------------[ cut here ]------------
| [ 41.913520][ T484] WARNING: CPU: 0 PID: 484 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) 
| [   41.914273][  T484] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   41.915530][  T484] Tainted: [W]=WARN
[   41.915749][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 41.916119][ T484] 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) 
[ 41.916419][ T484] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   41.917461][  T484] RSP: 0018:ffffc90000947140 EFLAGS: 00010246
[   41.917838][  T484] RAX: 0000000000000000 RBX: ffff88800a9b9000 RCX: 0000000000000001
[   41.918266][  T484] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   41.918695][  T484] RBP: ffffc90000947230 R08: ffff88800bb85000 R09: 0000000000000000
[   41.919147][  T484] R10: ffffc900009475c8 R11: ffffffff9b650668 R12: 1ffff92000128e2c
[   41.919586][  T484] R13: 00000000000007d0 R14: ffffc90000947880 R15: ffff88800ec07160
[   41.920035][  T484] FS:  00007f917e96d800(0000) GS:ffff8880998b7000(0000) knlGS:0000000000000000
[   41.920562][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.920936][  T484] CR2: 00000000004e5ac0 CR3: 00000000050e2005 CR4: 0000000000772ef0
[   41.921386][  T484] PKRU: 55555554
[   41.921597][  T484] Call Trace:
[   41.921823][  T484]  <TASK>
[ 41.921975][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.922268][ T484] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 41.922562][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.922863][ T484] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 41.923140][ T484] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 41.923427][ T484] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 41.923712][ T484] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 41.924008][ T484] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 41.924358][ T484] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 41.924651][ T484] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 41.924938][ T484] ? __kernel_text_address (kernel/extable.c:79) 
[ 41.925219][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.925515][ T484] ? __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) 
[ 41.925816][ T484] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 41.926160][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.926455][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.926750][ T484] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 41.927045][ T484] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 41.927326][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.927605][ T484] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 41.927894][ T484] ? __create_object (mm/kmemleak.c:771) 
[ 41.928173][ T484] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 41.928461][ T484] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 41.928740][ T484] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 41.929101][ T484] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 41.929391][ T484] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 41.929687][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.929973][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.930256][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.930535][ T484] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 41.930820][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.931115][ T484] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 41.931408][ T484] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 41.931737][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.932052][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.932358][ T484] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 41.932660][ T484] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 41.932974][ T484] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 41.933284][ T484] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 41.933589][ T484] ? 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) 
[ 41.933905][ T484] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 41.934211][ T484] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 41.934508][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.934822][ T484] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 41.935124][ T484] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 41.935423][ T484] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 41.935741][ T484] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 41.936058][ T484] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 41.936361][ T484] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 41.936744][ T484] ___sys_sendmsg (net/socket.c:2670) 
[ 41.937047][ T484] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 41.937343][ T484] ? __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) 
[ 41.937717][ T484] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 41.938038][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.938339][ T484] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 41.938644][ T484] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 41.938966][ T484] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 41.939266][ T484] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 41.939572][ T484] __sys_sendmsg (net/socket.c:2700) 
[ 41.939874][ T484] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 41.940257][ T484] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 41.940568][ T484] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 41.940885][ T484] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 41.941184][ T484] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   41.941563][  T484] RIP: 0033:0x7f917eb3a1e7
[ 41.941881][ T484] 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)
[   41.942946][  T484] RSP: 002b:00007fffe4e1a5e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   41.943391][  T484] RAX: ffffffffffffffda RBX: 00007fffe4e1ad10 RCX: 00007f917eb3a1e7
[   41.943839][  T484] RDX: 0000000000000000 RSI: 00007fffe4e1a650 RDI: 0000000000000005
[   41.944285][  T484] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   41.944724][  T484] R10: 00007f917ea37ee8 R11: 0000000000000246 R12: 0000000000000004
[   41.945194][  T484] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   42.067511][  T485] ------------[ cut here ]------------
| [ 42.067902][ T485] WARNING: CPU: 2 PID: 485 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.068483][  T485] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   42.069710][  T485] Tainted: [W]=WARN
[   42.069962][  T485] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.070334][ T485] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.070646][ T485] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.071711][  T485] RSP: 0018:ffffc90000957140 EFLAGS: 00010246
[   42.072250][  T485] RAX: 0000000000000000 RBX: ffff888002254000 RCX: 0000000000000001
[   42.072870][  T485] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   42.073439][  T485] RBP: ffffc90000957230 R08: ffff88800ae86800 R09: 0000000000000000
[   42.073896][  T485] R10: ffffc900009575c8 R11: ffffffff9b650668 R12: 1ffff9200012ae2c
[   42.074330][  T485] R13: 00000000000007d0 R14: ffffc90000957880 R15: ffff88800ec058e0
[   42.074767][  T485] FS:  00007ff45f675800(0000) GS:ffff8880999b7000(0000) knlGS:0000000000000000
[   42.075288][  T485] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.075664][  T485] CR2: 00000000004e73c8 CR3: 0000000009d34004 CR4: 0000000000772ef0
[   42.076116][  T485] PKRU: 55555554
[   42.076339][  T485] Call Trace:
[   42.076565][  T485]  <TASK>
[ 42.076721][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.077037][ T485] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.077331][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.077631][ T485] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.077946][ T485] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.078244][ T485] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.078548][ T485] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.078865][ T485] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.079234][ T485] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.079532][ T485] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.079835][ T485] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.080141][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.080441][ T485] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.080735][ T485] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.081114][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.081427][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.081717][ T485] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.082023][ T485] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.082326][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.082619][ T485] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.082922][ T485] ? __create_object (mm/kmemleak.c:771) 
[ 42.083220][ T485] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.083518][ T485] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.083820][ T485] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.084184][ T485] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.084490][ T485] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.084789][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.085098][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.085400][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.085700][ T485] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.086003][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.086300][ T485] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.086592][ T485] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.086903][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.087202][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.087511][ T485] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.087821][ T485] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.088118][ T485] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.088423][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.088713][ T485] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.089045][ T485] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.089342][ T485] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.089632][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.089945][ T485] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.090242][ T485] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.090532][ T485] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.090847][ T485] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.091145][ T485] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.091462][ T485] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.091847][ T485] ___sys_sendmsg (net/socket.c:2670) 
[ 42.092141][ T485] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.092435][ T485] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.092816][ T485] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.093116][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.093425][ T485] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.093727][ T485] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.094038][ T485] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.094332][ T485] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.094632][ T485] __sys_sendmsg (net/socket.c:2700) 
[ 42.094936][ T485] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.095297][ T485] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.095603][ T485] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.095920][ T485] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.096216][ T485] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.096575][  T485] RIP: 0033:0x7ff45f8421e7
[ 42.096893][ T485] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.097939][  T485] RSP: 002b:00007fffe3a7ee58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.098375][  T485] RAX: ffffffffffffffda RBX: 00007fffe3a7f580 RCX: 00007ff45f8421e7
[   42.098819][  T485] RDX: 0000000000000000 RSI: 00007fffe3a7eec0 RDI: 0000000000000005
[   42.099253][  T485] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.099691][  T485] R10: 00007ff45f73fee8 R11: 0000000000000246 R12: 0000000000000004
[   42.100136][  T485] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   42.226306][  T486] ------------[ cut here ]------------
| [ 42.226638][ T486] WARNING: CPU: 3 PID: 486 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.227208][  T486] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   42.228403][  T486] Tainted: [W]=WARN
[   42.228612][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.228968][ T486] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.229256][ T486] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.230258][  T486] RSP: 0018:ffffc90000967140 EFLAGS: 00010246
[   42.230615][  T486] RAX: 0000000000000000 RBX: ffff88800a789000 RCX: 0000000000000001
[   42.231036][  T486] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   42.231464][  T486] RBP: ffffc90000967230 R08: ffff8880054fb800 R09: 0000000000000000
[   42.231890][  T486] R10: ffffc900009675c8 R11: ffffffff9b650668 R12: 1ffff9200012ce2c
[   42.232301][  T486] R13: 00000000000007d0 R14: ffffc90000967880 R15: ffff88800ec04e60
[   42.232715][  T486] FS:  00007fbe17125800(0000) GS:ffff888099a37000(0000) knlGS:0000000000000000
[   42.233209][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.233563][  T486] CR2: 00000000004e5ab8 CR3: 000000000af74002 CR4: 0000000000772ef0
[   42.233990][  T486] PKRU: 55555554
[   42.234204][  T486] Call Trace:
[   42.234411][  T486]  <TASK>
[ 42.234553][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.234844][ T486] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.235121][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.235400][ T486] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.235686][ T486] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.235972][ T486] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.236253][ T486] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.236536][ T486] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.236898][ T486] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.237179][ T486] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.237464][ T486] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.237741][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.238036][ T486] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.238313][ T486] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.238655][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.238942][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.239225][ T486] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.239507][ T486] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.239783][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.240074][ T486] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.240347][ T486] ? __create_object (mm/kmemleak.c:771) 
[ 42.240626][ T486] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.240916][ T486] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.241193][ T486] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.241566][ T486] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.241872][ T486] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.242179][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.242456][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.242743][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.243037][ T486] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.243312][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.243591][ T486] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.243878][ T486] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.244164][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.244444][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.244730][ T486] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.245035][ T486] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.245315][ T486] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.245607][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.245894][ T486] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.246181][ T486] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.246460][ T486] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.246734][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.247029][ T486] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.247316][ T486] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.247594][ T486] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.247891][ T486] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.248186][ T486] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.248463][ T486] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.248834][ T486] ___sys_sendmsg (net/socket.c:2670) 
[ 42.249112][ T486] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.249392][ T486] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.249740][ T486] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.250034][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.250330][ T486] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.250617][ T486] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.250902][ T486] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.251185][ T486] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.251480][ T486] __sys_sendmsg (net/socket.c:2700) 
[ 42.251755][ T486] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.252111][ T486] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.252410][ T486] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.252691][ T486] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.252985][ T486] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.253331][  T486] RIP: 0033:0x7fbe172f21e7
[ 42.253624][ T486] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.254637][  T486] RSP: 002b:00007ffd61638e78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.255071][  T486] RAX: ffffffffffffffda RBX: 00007ffd616395a0 RCX: 00007fbe172f21e7
[   42.255488][  T486] RDX: 0000000000000000 RSI: 00007ffd61638ee0 RDI: 0000000000000005
[   42.255913][  T486] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.256349][  T486] R10: 00007fbe171efee8 R11: 0000000000000246 R12: 0000000000000004
[   42.256767][  T486] R13: 00000000686e494c R14: 0000000000499600 R15: 0000000000000000
| [   42.375469][  T487] ------------[ cut here ]------------
| [ 42.375851][ T487] WARNING: CPU: 2 PID: 487 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   42.376428][  T487] Modules linked in: act_gact cls_flower sch_ingress ip6_gre ip6_tunnel tunnel6 gre 8021q vrf veth
| [   42.377655][  T487] Tainted: [W]=WARN
[   42.378169][  T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 42.378535][ T487] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 42.378860][ T487] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   42.379867][  T487] RSP: 0018:ffffc90000977140 EFLAGS: 00010246
[   42.380233][  T487] RAX: 0000000000000000 RBX: ffff8880091ec000 RCX: 0000000000000001
[   42.380667][  T487] RDX: 0000000000000000 RSI: ffffffff9a89b941 RDI: ffffffff9a0555e0
[   42.381106][  T487] RBP: ffffc90000977230 R08: ffff888005140800 R09: 0000000000000000
[   42.381548][  T487] R10: ffffc900009775c8 R11: ffffffff9b650668 R12: 1ffff9200012ee2c
[   42.381994][  T487] R13: 00000000000007d0 R14: ffffc90000977880 R15: ffff88800ec043e0
[   42.382470][  T487] FS:  00007f18072bd800(0000) GS:ffff8880999b7000(0000) knlGS:0000000000000000
[   42.382985][  T487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.383357][  T487] CR2: 00000000004e59c0 CR3: 000000000515e006 CR4: 0000000000772ef0
[   42.383797][  T487] PKRU: 55555554
[   42.384039][  T487] Call Trace:
[   42.384260][  T487]  <TASK>
[ 42.384419][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.384728][ T487] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 42.385037][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.385334][ T487] ? __pfx_validate_linkmsg (net/core/rtnetlink.c:2660) 
[ 42.385627][ T487] ? is_bpf_text_address (kernel/bpf/core.c:777) 
[ 42.385932][ T487] ? kernel_text_address (kernel/extable.c:97 kernel/extable.c:94) 
[ 42.386229][ T487] do_setlink.constprop.0 (net/core/rtnetlink.c:3106) 
[ 42.386525][ T487] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 42.386910][ T487] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 42.387205][ T487] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 42.387494][ T487] ? __kernel_text_address (kernel/extable.c:79) 
[ 42.387791][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.388102][ T487] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 42.388394][ T487] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 42.388755][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.389074][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.389366][ T487] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 42.389662][ T487] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 42.389968][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.390262][ T487] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 42.390549][ T487] ? __create_object (mm/kmemleak.c:771) 
[ 42.390854][ T487] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 42.391151][ T487] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 42.391455][ T487] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 42.391828][ T487] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 42.392130][ T487] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 42.392428][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.392718][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.393027][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.393319][ T487] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 42.393614][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.393920][ T487] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 42.394208][ T487] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 42.394499][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.394792][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.395107][ T487] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 42.395399][ T487] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 42.395701][ T487] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 42.396016][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 42.396307][ T487] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 42.396607][ T487] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 42.396916][ T487] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 42.397205][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.397504][ T487] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 42.397820][ T487] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 42.398116][ T487] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 42.398419][ T487] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 42.398715][ T487] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 42.399023][ T487] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 42.399395][ T487] ___sys_sendmsg (net/socket.c:2670) 
[ 42.399681][ T487] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 42.399990][ T487] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 42.400354][ T487] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 42.400646][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.400958][ T487] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 42.401270][ T487] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 42.401573][ T487] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 42.401879][ T487] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 42.402181][ T487] __sys_sendmsg (net/socket.c:2700) 
[ 42.402474][ T487] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 42.402865][ T487] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 42.403171][ T487] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 42.403466][ T487] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 42.403762][ T487] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   42.404146][  T487] RIP: 0033:0x7f180748a1e7
[ 42.404446][ T487] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   42.405471][  T487] RSP: 002b:00007ffd1e6c4768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   42.405917][  T487] RAX: ffffffffffffffda RBX: 00007ffd1e6c4e90 RCX: 00007f180748a1e7
[   42.406345][  T487] RDX: 0000000000000000 RSI: 00007ffd1e6c47d0 RDI: 0000000000000005
[   42.406777][  T487] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000078
[   42.407217][  T487] R10: 00007f1807387ee8 R11: 0000000000000246 R12: 0000000000000004


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