======================================
| [   23.405665][  T345] br1: port 1(vx100) entered forwarding state
| [   23.407131][  T345] ------------[ cut here ]------------
| [ 23.408404][ T345] WARNING: CPU: 2 PID: 345 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) 
| [   23.409083][  T345] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.410496][  T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.410914][ T345] 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) 
[ 23.411249][ T345] 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
[   23.412410][  T345] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   23.412833][  T345] RAX: 0000000000000000 RBX: ffff88800caca000 RCX: 0000000000000001
[   23.413354][  T345] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   23.413855][  T345] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.414375][  T345] R10: ffffc90000537010 R11: ffffffffa40a8918 R12: 1ffff920000a6de2
[   23.414885][  T345] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800cacaf08
[   23.415703][  T345] FS:  00007f9e0fd8e800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   23.416333][  T345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.416750][  T345] CR2: 00000000004e6890 CR3: 000000000e31b002 CR4: 0000000000772ef0
[   23.417250][  T345] PKRU: 55555554
[   23.417517][  T345] Call Trace:
[   23.417775][  T345]  <TASK>
[ 23.417965][ T345] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.418307][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.418651][ T345] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.418976][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.419393][ T345] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.419737][ T345] netif_set_mtu (net/core/dev.c:9652) 
[ 23.420070][ T345] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.420418][ T345] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.420870][ T345] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.421130][ T345] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.421588][ T345] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.421959][ T345] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.422324][ T345] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.422669][ T345] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.423087][ T345] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.423441][ T345] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.423784][ T345] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.424115][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.424460][ T345] ? __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) 
[ 23.424786][ T345] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.425188][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.425528][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.425863][ T345] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.426196][ T345] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.426551][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.426889][ T345] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.427211][ T345] ? __create_object (mm/kmemleak.c:771) 
[ 23.427563][ T345] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.427906][ T345] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.428240][ T345] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.428659][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.428998][ T345] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.429339][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.429680][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.430011][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.430358][ T345] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.430680][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.431008][ T345] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.431351][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.431679][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.432010][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.432353][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.432681][ T345] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.433006][ T345] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.433359][ T345] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.433694][ T345] ? 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) 
[ 23.434053][ T345] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.434403][ T345] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.434729][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.435058][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.435402][ T345] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.435727][ T345] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.436080][ T345] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.436442][ T345] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.436767][ T345] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.437180][ T345] ___sys_sendmsg (net/socket.c:2670) 
[ 23.437517][ T345] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.437850][ T345] ? __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) 
[ 23.438277][ T345] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.438642][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.438970][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.439318][ T345] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.439661][ T345] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.439990][ T345] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.440338][ T345] __sys_sendmsg (net/socket.c:2700) 
[ 23.440666][ T345] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.441067][ T345] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.441426][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.441755][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.442086][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.442502][  T345] RIP: 0033:0x7f9e0ff5b1e7
[ 23.442888][ T345] 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)
[   23.444218][  T345] RSP: 002b:00007ffd13e5e7b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.444902][  T345] RAX: ffffffffffffffda RBX: 00007ffd13e5eee0 RCX: 00007f9e0ff5b1e7
[   23.445556][  T345] RDX: 0000000000000000 RSI: 00007ffd13e5e820 RDI: 0000000000000005
[   23.446148][  T345] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.446678][  T345] R10: 0000000027372910 R11: 0000000000000246 R12: 0000000000000004
[   23.447172][  T345] R13: 00000000686e1507 R14: 0000000000499600 R15: 0000000000000000
| [   23.762326][  T347] ------------[ cut here ]------------
| [ 23.762692][ T347] WARNING: CPU: 2 PID: 347 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) 
| [   23.763367][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.765063][  T347] Tainted: [W]=WARN
[   23.765356][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.765753][ T347] 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) 
[ 23.766098][ T347] 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
[   23.767242][  T347] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   23.767671][  T347] RAX: 0000000000000000 RBX: ffff88800caca000 RCX: 0000000000000001
[   23.768160][  T347] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   23.768661][  T347] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.769149][  T347] R10: ffffc90000537010 R11: ffffffffa40a8918 R12: 1ffff920000a6de2
[   23.769787][  T347] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800cacaf08
[   23.770306][  T347] FS:  00007efd6911b800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   23.770866][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.771274][  T347] CR2: 00000000004e5aa8 CR3: 000000000e31b005 CR4: 0000000000772ef0
[   23.771774][  T347] PKRU: 55555554
[   23.772023][  T347] Call Trace:
[   23.772274][  T347]  <TASK>
[ 23.772467][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.772817][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.773161][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.773509][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.773911][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.774237][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 23.774579][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.774916][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.775392][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.775641][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.776076][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.776460][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.776789][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.777114][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.777545][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.777871][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.778192][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.778537][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.778863][ T347] ? __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) 
[ 23.779183][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.779608][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.779942][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.780264][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.780604][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.780931][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.781256][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.781597][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 23.781924][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.782247][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.782599][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.782996][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.783349][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.783700][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.784020][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.784365][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.784742][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.785250][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.785692][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.786015][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.786430][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.786769][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.787095][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.787545][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.788042][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.788429][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.788748][ T347] ? 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) 
[ 23.789070][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.789423][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.789757][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.790084][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.790461][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.790793][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.791121][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.791482][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.791805][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.792208][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 23.792558][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.792876][ T347] ? __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) 
[ 23.793298][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.793632][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.793956][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.794279][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.794652][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.794975][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.795345][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 23.795676][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.796074][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.796440][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.796765][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.797082][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.797495][  T347] RIP: 0033:0x7efd692e81e7
[ 23.797826][ T347] 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)
[   23.798995][  T347] RSP: 002b:00007ffe89415918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.799587][  T347] RAX: ffffffffffffffda RBX: 00007ffe89416040 RCX: 00007efd692e81e7
[   23.800062][  T347] RDX: 0000000000000000 RSI: 00007ffe89415980 RDI: 0000000000000005
[   23.800585][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.801051][  T347] R10: 000000003e192910 R11: 0000000000000246 R12: 0000000000000004
[   23.801551][  T347] R13: 00000000686e1507 R14: 0000000000499600 R15: 0000000000000000
| [   24.417319][  T353] ------------[ cut here ]------------
| [ 24.417643][ T353] WARNING: CPU: 0 PID: 353 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) 
| [   24.418273][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.419875][  T353] Tainted: [W]=WARN
[   24.420128][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.420727][ T353] 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) 
[ 24.421075][ T353] 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
[   24.422429][  T353] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246
[   24.422823][  T353] RAX: 0000000000000000 RBX: ffff88800a7fa000 RCX: 0000000000000001
[   24.423366][  T353] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   24.423829][  T353] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.424302][  T353] R10: ffffc90000637010 R11: ffffffffa40a8918 R12: 1ffff920000c6de2
[   24.424772][  T353] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff88800a7faf08
[   24.425238][  T353] FS:  00007f6f3f614800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   24.425799][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.426192][  T353] CR2: 00000000004e5468 CR3: 000000000a600006 CR4: 0000000000772ef0
[   24.426669][  T353] PKRU: 55555554
[   24.426908][  T353] Call Trace:
[   24.427148][  T353]  <TASK>
[ 24.427321][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.427635][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.427955][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.428265][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.428666][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.428978][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 24.429299][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.429643][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.430085][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.430339][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.430764][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.431123][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.431460][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.431785][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.432178][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.432521][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.432837][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.433153][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.433479][ T353] ? __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) 
[ 24.433794][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.434188][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.434526][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.434833][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.435140][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.435460][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.435792][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.436097][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 24.436426][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.436916][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.437229][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.437632][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.437950][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.438266][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.438602][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.438922][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.439237][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.439569][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.439887][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.440194][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.440516][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.440829][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.441141][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.441463][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.441775][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.442100][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.442418][ T353] ? 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) 
[ 24.442735][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.443045][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.443365][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.443683][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.443993][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.444312][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.444630][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.444948][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.445260][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.445674][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 24.445986][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.446309][ T353] ? __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) 
[ 24.446697][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.447014][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.447341][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.447663][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.447970][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.448290][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.448618][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 24.448941][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.449346][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.449687][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.450003][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.450325][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.450720][  T353] RIP: 0033:0x7f6f3f7e11e7
[ 24.451047][ T353] 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)
[   24.452163][  T353] RSP: 002b:00007ffd25de4198 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.452645][  T353] RAX: ffffffffffffffda RBX: 00007ffd25de48c0 RCX: 00007f6f3f7e11e7
[   24.453111][  T353] RDX: 0000000000000000 RSI: 00007ffd25de4200 RDI: 0000000000000005
[   24.453583][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.454047][  T353] R10: 000000000f20f910 R11: 0000000000000246 R12: 0000000000000004
[   24.454524][  T353] R13: 00000000686e1508 R14: 0000000000499600 R15: 0000000000000000
| [   24.892214][  T356] ------------[ cut here ]------------
| [ 24.892554][ T356] WARNING: CPU: 1 PID: 356 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) 
| [   24.893202][  T356] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.894612][  T356] Tainted: [W]=WARN
[   24.894863][  T356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.895273][ T356] 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) 
[ 24.895623][ T356] 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
[   24.896781][  T356] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246
[   24.897186][  T356] RAX: 0000000000000000 RBX: ffff88800a7fa000 RCX: 0000000000000001
[   24.897679][  T356] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   24.898157][  T356] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.898649][  T356] R10: ffffc90000647010 R11: ffffffffa40a8918 R12: 1ffff920000c8de2
[   24.899134][  T356] R13: 00000000000005dc R14: ffffc90000647010 R15: ffff88800a7faf08
[   24.899700][  T356] FS:  00007fcd5983b800(0000) GS:ffff88808a137000(0000) knlGS:0000000000000000
[   24.900260][  T356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.900672][  T356] CR2: 00000000004e5730 CR3: 000000000a600006 CR4: 0000000000772ef0
[   24.901158][  T356] PKRU: 55555554
[   24.901408][  T356] Call Trace:
[   24.901648][  T356]  <TASK>
[ 24.901814][ T356] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.902134][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.902473][ T356] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.902790][ T356] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.903188][ T356] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.903529][ T356] netif_set_mtu (net/core/dev.c:9652) 
[ 24.903865][ T356] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.904196][ T356] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.904660][ T356] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.904900][ T356] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.905345][ T356] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.905716][ T356] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.906048][ T356] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.906430][ T356] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.906836][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.907155][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.907485][ T356] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.907814][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.908136][ T356] ? __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) 
[ 24.908473][ T356] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.908871][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.909192][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.909529][ T356] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.909847][ T356] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.910166][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.910497][ T356] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.910895][ T356] ? __create_object (mm/kmemleak.c:771) 
[ 24.911220][ T356] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.911554][ T356] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.911879][ T356] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.912272][ T356] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.912615][ T356] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.912943][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.913260][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.913604][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.913925][ T356] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.914246][ T356] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.914579][ T356] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.914897][ T356] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.915215][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.915550][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.915872][ T356] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.916200][ T356] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.916531][ T356] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.916861][ T356] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.917178][ T356] ? 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) 
[ 24.917507][ T356] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.917829][ T356] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.918150][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.918482][ T356] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.918803][ T356] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.919121][ T356] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.919459][ T356] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.919798][ T356] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.920115][ T356] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.920536][ T356] ___sys_sendmsg (net/socket.c:2670) 
[ 24.920857][ T356] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.921178][ T356] ? __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) 
[ 24.921590][ T356] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.921911][ T356] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.922227][ T356] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.922562][ T356] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.922889][ T356] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.923219][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.923550][ T356] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 24.923880][ T356] __sys_sendmsg (net/socket.c:2700) 
[ 24.924197][ T356] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 24.924608][ T356] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.924940][ T356] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.925262][ T356] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.925607][ T356] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.926001][  T356] RIP: 0033:0x7fcd59a081e7
[ 24.926343][ T356] 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)
[   24.927486][  T356] RSP: 002b:00007fff55de4d48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.927979][  T356] RAX: ffffffffffffffda RBX: 00007fff55de5470 RCX: 00007fcd59a081e7
[   24.928469][  T356] RDX: 0000000000000000 RSI: 00007fff55de4db0 RDI: 0000000000000005
[   24.928943][  T356] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.929433][  T356] R10: 000000002222d910 R11: 0000000000000246 R12: 0000000000000004
[   24.929922][  T356] R13: 00000000686e1508 R14: 0000000000499600 R15: 0000000000000000
| [   29.361507][  T403] ------------[ cut here ]------------
| [ 29.361835][ T403] WARNING: CPU: 0 PID: 403 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) 
| [   29.363096][  T403] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.364385][  T403] Tainted: [W]=WARN
[   29.364617][  T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.364999][ T403] 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) 
[ 29.365340][ T403] 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
[   29.366444][  T403] RSP: 0018:ffffc90000906ef0 EFLAGS: 00010246
[   29.366832][  T403] RAX: 0000000000000000 RBX: ffff88801022a000 RCX: 0000000000000001
[   29.367302][  T403] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   29.367758][  T403] RBP: ffffc90000906fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.368228][  T403] R10: ffffc90000907010 R11: ffffffffa3779160 R12: 1ffff92000120de2
[   29.368695][  T403] R13: 00000000000005dc R14: ffffc90000907010 R15: ffff88801022af08
[   29.369152][  T403] FS:  00007fc36d2a2800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   29.369717][  T403] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.370113][  T403] CR2: 00000000004e68a0 CR3: 0000000004f8d003 CR4: 0000000000772ef0
[   29.370635][  T403] PKRU: 55555554
[   29.370873][  T403] Call Trace:
[   29.371101][  T403]  <TASK>
[ 29.371259][ T403] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.371578][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.371897][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.372214][ T403] netif_set_mtu (net/core/dev.c:9652) 
[ 29.372539][ T403] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.372866][ T403] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.373102][ T403] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.373565][ T403] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.373936][ T403] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.374247][ T403] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.374568][ T403] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.374960][ T403] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.375270][ T403] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.375622][ T403] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.375933][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.376243][ T403] ? __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) 
[ 29.376560][ T403] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.376946][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.377261][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.377590][ T403] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.377896][ T403] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.378204][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.378519][ T403] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.378824][ T403] ? __create_object (mm/kmemleak.c:771) 
[ 29.379136][ T403] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.379451][ T403] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.379778][ T403] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.380157][ T403] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.380478][ T403] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.380791][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.381096][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.381427][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.381749][ T403] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.382054][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.382374][ T403] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.382684][ T403] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.382991][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.383313][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.383624][ T403] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.383932][ T403] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.384236][ T403] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.384565][ T403] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.384869][ T403] ? 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) 
[ 29.385179][ T403] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.385508][ T403] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.385817][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.386129][ T403] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.386444][ T403] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.386761][ T403] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.387074][ T403] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.387392][ T403] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.387695][ T403] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.388086][ T403] ___sys_sendmsg (net/socket.c:2670) 
[ 29.388397][ T403] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.388701][ T403] ? __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) 
[ 29.389094][ T403] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.389422][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.389748][ T403] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.390060][ T403] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.390375][ T403] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.390681][ T403] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.390994][ T403] __sys_sendmsg (net/socket.c:2700) 
[ 29.391316][ T403] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.391693][ T403] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.392017][ T403] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.392339][ T403] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.392650][ T403] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.393028][  T403] RIP: 0033:0x7fc36d46f1e7
[ 29.393371][ T403] 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)
[   29.394477][  T403] RSP: 002b:00007fff2c124fa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.394940][  T403] RAX: ffffffffffffffda RBX: 00007fff2c1256d0 RCX: 00007fc36d46f1e7
[   29.395412][  T403] RDX: 0000000000000000 RSI: 00007fff2c125010 RDI: 0000000000000005
[   29.395877][  T403] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.396345][  T403] R10: 0000000010ca0910 R11: 0000000000000246 R12: 0000000000000004
[   29.396807][  T403] R13: 00000000686e150d R14: 0000000000499600 R15: 0000000000000000
| [   30.090621][  T409] ------------[ cut here ]------------
| [ 30.090949][ T409] WARNING: CPU: 0 PID: 409 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) 
| [   30.092625][  T409] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.094012][  T409] Tainted: [W]=WARN
[   30.094246][  T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.094649][ T409] 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) 
[ 30.095024][ T409] 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
[   30.096125][  T409] RSP: 0018:ffffc90000956ef0 EFLAGS: 00010246
[   30.096522][  T409] RAX: 0000000000000000 RBX: ffff88801022a000 RCX: 0000000000000001
[   30.096978][  T409] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   30.097445][  T409] RBP: ffffc90000956fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.097902][  T409] R10: ffffc90000957010 R11: ffffffffa3779160 R12: 1ffff9200012ade2
[   30.098377][  T409] R13: 00000000000005dc R14: ffffc90000957010 R15: ffff88801022af08
[   30.098832][  T409] FS:  00007fcd106dd800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   30.099376][  T409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.099777][  T409] CR2: 00000000004e68a0 CR3: 00000000020d2002 CR4: 0000000000772ef0
[   30.100230][  T409] PKRU: 55555554
[   30.100468][  T409] Call Trace:
[   30.100698][  T409]  <TASK>
[ 30.100859][ T409] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.101175][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.101510][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.101816][ T409] netif_set_mtu (net/core/dev.c:9652) 
[ 30.102122][ T409] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.102463][ T409] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.102695][ T409] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.103123][ T409] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.103485][ T409] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.103802][ T409] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.104111][ T409] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.104507][ T409] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.104815][ T409] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.105118][ T409] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.105434][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.105747][ T409] ? __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) 
[ 30.106053][ T409] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.106449][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.106767][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.107071][ T409] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.107388][ T409] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.107695][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.108002][ T409] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.108316][ T409] ? __create_object (mm/kmemleak.c:771) 
[ 30.108628][ T409] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.108935][ T409] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.109239][ T409] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.109654][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.109969][ T409] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.110322][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.110631][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.110946][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.111249][ T409] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.111562][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.111869][ T409] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.112179][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.112495][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.112806][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.113124][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.113449][ T409] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.113760][ T409] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.114075][ T409] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.114402][ T409] ? 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) 
[ 30.114712][ T409] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.115018][ T409] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.115340][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.115649][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.115956][ T409] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.116262][ T409] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.116597][ T409] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.116912][ T409] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.117216][ T409] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.117628][ T409] ___sys_sendmsg (net/socket.c:2670) 
[ 30.117932][ T409] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.118237][ T409] ? __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) 
[ 30.118642][ T409] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.118952][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.119260][ T409] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.119594][ T409] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.119902][ T409] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.120213][ T409] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.120537][ T409] __sys_sendmsg (net/socket.c:2700) 
[ 30.120840][ T409] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.121220][ T409] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.121550][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.121858][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.122161][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.122569][  T409] RIP: 0033:0x7fcd108aa1e7
[ 30.122887][ T409] 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)
[   30.123984][  T409] RSP: 002b:00007fff08d4f488 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.124460][  T409] RAX: ffffffffffffffda RBX: 00007fff08d4fbb0 RCX: 00007fcd108aa1e7
[   30.124919][  T409] RDX: 0000000000000000 RSI: 00007fff08d4f4f0 RDI: 0000000000000005
[   30.125386][  T409] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.125847][  T409] R10: 0000000019ce8910 R11: 0000000000000246 R12: 0000000000000004
[   30.126323][  T409] R13: 00000000686e150d R14: 0000000000499600 R15: 0000000000000000
| [   34.746986][  T458] ------------[ cut here ]------------
| [ 34.747795][ T458] WARNING: CPU: 0 PID: 458 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) 
| [   34.748419][  T458] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.749708][  T458] Tainted: [W]=WARN
[   34.749943][  T458] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.750339][ T458] 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) 
[ 34.750654][ T458] 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
[   34.751765][  T458] RSP: 0018:ffffc90000c9eef0 EFLAGS: 00010246
[   34.752154][  T458] RAX: 0000000000000000 RBX: ffff8880091aa000 RCX: 0000000000000001
[   34.752621][  T458] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   34.753078][  T458] RBP: ffffc90000c9efe0 R08: 0000000000000000 R09: 0000000000000000
[   34.753544][  T458] R10: ffffc90000c9f010 R11: ffffffffa3779160 R12: 1ffff92000193de2
[   34.754011][  T458] R13: 00000000000005dc R14: ffffc90000c9f010 R15: ffff8880091aaf08
[   34.754499][  T458] FS:  00007f3489a8d800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   34.755042][  T458] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.755441][  T458] CR2: 00000000004e68a0 CR3: 000000000e0fe006 CR4: 0000000000772ef0
[   34.755910][  T458] PKRU: 55555554
[   34.756141][  T458] Call Trace:
[   34.756384][  T458]  <TASK>
[ 34.756545][ T458] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.756856][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.757173][ T458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.757494][ T458] netif_set_mtu (net/core/dev.c:9652) 
[ 34.757806][ T458] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.758133][ T458] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.758375][ T458] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.758803][ T458] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.759156][ T458] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.759480][ T458] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.759807][ T458] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.760197][ T458] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.760520][ T458] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.760828][ T458] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.761139][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.761477][ T458] ? __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) 
[ 34.761785][ T458] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.762166][ T458] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.762493][ T458] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.762807][ T458] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.763119][ T458] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.763441][ T458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.763747][ T458] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.764052][ T458] ? __create_object (mm/kmemleak.c:771) 
[ 34.764371][ T458] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.764680][ T458] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.764987][ T458] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.765385][ T458] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.765697][ T458] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.766007][ T458] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.766323][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.766637][ T458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.766945][ T458] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.767251][ T458] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.767609][ T458] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.767927][ T458] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.768234][ T458] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.768550][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.768861][ T458] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.769170][ T458] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.769486][ T458] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.769813][ T458] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.770126][ T458] ? 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) 
[ 34.770457][ T458] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.770770][ T458] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.771076][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.771399][ T458] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.771712][ T458] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.772020][ T458] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.772351][ T458] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.772663][ T458] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.772967][ T458] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.773374][ T458] ___sys_sendmsg (net/socket.c:2670) 
[ 34.773680][ T458] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.773986][ T458] ? __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) 
[ 34.774380][ T458] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.774699][ T458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.775009][ T458] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.775329][ T458] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.775639][ T458] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.775947][ T458] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.776264][ T458] __sys_sendmsg (net/socket.c:2700) 
[ 34.776579][ T458] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.776963][ T458] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.777295][ T458] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.777607][ T458] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.777915][ T458] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.778319][  T458] RIP: 0033:0x7f3489c5a1e7
[ 34.778645][ T458] 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)
[   34.779764][  T458] RSP: 002b:00007fff33ebe098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.780228][  T458] RAX: ffffffffffffffda RBX: 00007fff33ebe7c0 RCX: 00007f3489c5a1e7
[   34.780698][  T458] RDX: 0000000000000000 RSI: 00007fff33ebe100 RDI: 0000000000000005
[   34.781158][  T458] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.781633][  T458] R10: 000000000d749910 R11: 0000000000000246 R12: 0000000000000004
[   34.782091][  T458] R13: 00000000686e1512 R14: 0000000000499600 R15: 0000000000000000
| [   35.485115][  T464] ------------[ cut here ]------------
| [ 35.485460][ T464] WARNING: CPU: 1 PID: 464 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) 
| [   35.486081][  T464] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.487384][  T464] Tainted: [W]=WARN
[   35.487622][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.488008][ T464] 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) 
[ 35.488501][ T464] 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
[   35.489771][  T464] RSP: 0018:ffffc90000d76ef0 EFLAGS: 00010246
[   35.490168][  T464] RAX: 0000000000000000 RBX: ffff8880091aa000 RCX: 0000000000000001
[   35.490827][  T464] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   35.491510][  T464] RBP: ffffc90000d76fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.491980][  T464] R10: ffffc90000d77010 R11: ffffffffa3779160 R12: 1ffff920001aede2
[   35.492630][  T464] R13: 00000000000005dc R14: ffffc90000d77010 R15: ffff8880091aaf08
[   35.493107][  T464] FS:  00007ff1dea9a800(0000) GS:ffff88808a137000(0000) knlGS:0000000000000000
[   35.493783][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.494175][  T464] CR2: 00000000004e5468 CR3: 0000000005f37004 CR4: 0000000000772ef0
[   35.494650][  T464] PKRU: 55555554
[   35.494884][  T464] Call Trace:
[   35.495116][  T464]  <TASK>
[ 35.495277][ T464] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.495624][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.495945][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.496262][ T464] netif_set_mtu (net/core/dev.c:9652) 
[ 35.496589][ T464] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.496915][ T464] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.497150][ T464] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.497602][ T464] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.497964][ T464] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.498296][ T464] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.498610][ T464] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.499000][ T464] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.499330][ T464] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.499649][ T464] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.499961][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.500296][ T464] ? __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) 
[ 35.500608][ T464] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.500995][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.501317][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.501625][ T464] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.501932][ T464] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.502239][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.502566][ T464] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.502872][ T464] ? __create_object (mm/kmemleak.c:771) 
[ 35.503186][ T464] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.503521][ T464] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.503833][ T464] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.504221][ T464] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.504550][ T464] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.504927][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.505239][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.505564][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.505875][ T464] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.506178][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.506499][ T464] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.506811][ T464] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.507123][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.507470][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.507813][ T464] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.508121][ T464] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.508444][ T464] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.508762][ T464] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.509068][ T464] ? 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) 
[ 35.509390][ T464] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.509717][ T464] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.510029][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.510356][ T464] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.510668][ T464] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.510974][ T464] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.511313][ T464] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.511625][ T464] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.511929][ T464] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.512340][ T464] ___sys_sendmsg (net/socket.c:2670) 
[ 35.512644][ T464] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.512948][ T464] ? __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) 
[ 35.513344][ T464] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.513657][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.513966][ T464] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.514279][ T464] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.514600][ T464] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.514907][ T464] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.515222][ T464] __sys_sendmsg (net/socket.c:2700) 
[ 35.515547][ T464] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.515927][ T464] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.516246][ T464] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.516564][ T464] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.516878][ T464] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.517259][  T464] RIP: 0033:0x7ff1dec671e7
[ 35.517588][ T464] 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)
[   35.518696][  T464] RSP: 002b:00007ffc12f02bb8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.519164][  T464] RAX: ffffffffffffffda RBX: 00007ffc12f032e0 RCX: 00007ff1dec671e7
[   35.519654][  T464] RDX: 0000000000000000 RSI: 00007ffc12f02c20 RDI: 0000000000000005
[   35.520116][  T464] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.520587][  T464] R10: 00000000060ff910 R11: 0000000000000246 R12: 0000000000000004
[   35.521054][  T464] R13: 00000000686e1513 R14: 0000000000499600 R15: 0000000000000000
| [   38.821027][  T503] ------------[ cut here ]------------
| [ 38.821394][ T503] WARNING: CPU: 2 PID: 503 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   38.822022][  T503] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   38.823366][  T503] Tainted: [W]=WARN
[   38.823612][  T503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 38.824003][ T503] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 38.824347][ T503] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   38.825462][  T503] RSP: 0018:ffffc90000f06ef0 EFLAGS: 00010246
[   38.825862][  T503] RAX: 0000000000000000 RBX: ffff8880091aa000 RCX: 0000000000000001
[   38.826345][  T503] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   38.826834][  T503] RBP: ffffc90000f06fe0 R08: 0000000000000000 R09: 0000000000000000
[   38.827341][  T503] R10: ffffc90000f07010 R11: ffffffffa40a8918 R12: 1ffff920001e0de2
[   38.827833][  T503] R13: 00000000000005dc R14: ffffc90000f07010 R15: ffff8880091aaf08
[   38.828334][  T503] FS:  00007fa46a892800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   38.828910][  T503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.829334][  T503] CR2: 00000000004e5b28 CR3: 000000000ca27003 CR4: 0000000000772ef0
[   38.829857][  T503] PKRU: 55555554
[   38.830111][  T503] Call Trace:
[   38.830378][  T503]  <TASK>
[ 38.830560][ T503] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 38.830894][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.831241][ T503] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 38.831585][ T503] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 38.832009][ T503] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 38.832377][ T503] netif_set_mtu (net/core/dev.c:9652) 
[ 38.832709][ T503] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 38.833038][ T503] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 38.833494][ T503] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 38.833740][ T503] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 38.834171][ T503] br_add_if (net/bridge/br_if.c:697) bridge 
[ 38.834553][ T503] do_set_master (net/core/rtnetlink.c:2948) 
[ 38.834878][ T503] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 38.835201][ T503] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 38.835613][ T503] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 38.835934][ T503] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 38.836253][ T503] ? __kernel_text_address (kernel/extable.c:79) 
[ 38.836597][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.836927][ T503] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 38.837245][ T503] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 38.837655][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.837977][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.838309][ T503] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 38.838630][ T503] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 38.838948][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.839268][ T503] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 38.839621][ T503] ? __create_object (mm/kmemleak.c:771) 
[ 38.839948][ T503] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 38.840277][ T503] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 38.840610][ T503] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 38.841003][ T503] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 38.841341][ T503] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 38.841684][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.842027][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.842381][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.842719][ T503] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 38.843051][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.843404][ T503] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 38.843740][ T503] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 38.844061][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.844403][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.844726][ T503] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 38.845047][ T503] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 38.845379][ T503] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 38.845706][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 38.846024][ T503] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 38.846356][ T503] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 38.846697][ T503] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 38.847011][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.847345][ T503] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 38.847667][ T503] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 38.847985][ T503] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 38.848323][ T503] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 38.848653][ T503] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 38.848966][ T503] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 38.849388][ T503] ___sys_sendmsg (net/socket.c:2670) 
[ 38.849719][ T503] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 38.850036][ T503] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 38.850438][ T503] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 38.850760][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.851081][ T503] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 38.851415][ T503] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 38.851738][ T503] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 38.852056][ T503] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 38.852392][ T503] __sys_sendmsg (net/socket.c:2700) 
[ 38.852707][ T503] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 38.853094][ T503] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 38.853439][ T503] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 38.853758][ T503] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 38.854081][ T503] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   38.854488][  T503] RIP: 0033:0x7fa46aa5f1e7
[ 38.854819][ T503] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   38.855925][  T503] RSP: 002b:00007ffff4a9ebc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   38.856422][  T503] RAX: ffffffffffffffda RBX: 00007ffff4a9f2f0 RCX: 00007fa46aa5f1e7
[   38.856909][  T503] RDX: 0000000000000000 RSI: 00007ffff4a9ec30 RDI: 0000000000000005
[   38.857389][  T503] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   38.857857][  T503] R10: 0000000030e8e910 R11: 0000000000000246 R12: 0000000000000004
[   38.858340][  T503] R13: 00000000686e1516 R14: 0000000000499600 R15: 0000000000000000
| [   54.476956][  T614] ------------[ cut here ]------------
| [ 54.477338][ T614] WARNING: CPU: 1 PID: 614 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) 
| [   54.478005][  T614] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.479408][  T614] Tainted: [W]=WARN
[   54.479685][  T614] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.480102][ T614] 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) 
[ 54.480470][ T614] 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
[   54.481677][  T614] RSP: 0018:ffffc900012b6f70 EFLAGS: 00010246
[   54.482111][  T614] RAX: 0000000000000000 RBX: ffff88800a7fa000 RCX: 0000000000000001
[   54.482795][  T614] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   54.483469][  T614] RBP: ffffc900012b7058 R08: 0000000000000000 R09: 0000000000000000
[   54.483985][  T614] R10: ffffc900012b7088 R11: ffffffff9f600130 R12: 1ffff92000256df2
[   54.484733][  T614] R13: 00000000000005dc R14: ffffc900012b7088 R15: ffff88800a7faf08
[   54.485233][  T614] FS:  00007f08e51ca800(0000) GS:ffff88808a137000(0000) knlGS:0000000000000000
[   54.486092][  T614] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.486668][  T614] CR2: 00000000004e5468 CR3: 000000000f347006 CR4: 0000000000772ef0
[   54.487205][  T614] PKRU: 55555554
[   54.487510][  T614] Call Trace:
[   54.487801][  T614]  <TASK>
[ 54.487969][ T614] ? __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) 
[ 54.488423][ T614] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.488817][ T614] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.489186][ T614] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.489566][ T614] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.489912][ T614] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.490256][ T614] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.490608][ T614] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.490955][ T614] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.491307][ T614] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.491620][ T614] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.491947][ T614] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.492367][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.492702][ T614] netif_set_mtu (net/core/dev.c:9652) 
[ 54.493025][ T614] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.493405][ T614] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.493647][ T614] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.494100][ T614] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.494531][ T614] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.494843][ T614] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.495197][ T614] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.495549][ T614] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.495948][ T614] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.496278][ T614] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.496638][ T614] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.496966][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.497304][ T614] ? __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) 
[ 54.497647][ T614] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.498063][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.498420][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.498766][ T614] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.499128][ T614] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.499484][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.499841][ T614] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.500160][ T614] ? __create_object (mm/kmemleak.c:771) 
[ 54.500520][ T614] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.500863][ T614] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.501195][ T614] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.501608][ T614] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.501951][ T614] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.502275][ T614] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.502619][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.502940][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.503265][ T614] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.503615][ T614] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.503961][ T614] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.504311][ T614] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.504627][ T614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.504961][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.505347][ T614] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.505681][ T614] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.506012][ T614] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.506365][ T614] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.506764][ T614] ? 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) 
[ 54.507106][ T614] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.507465][ T614] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.507781][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.508117][ T614] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.508476][ T614] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.508795][ T614] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.509107][ T614] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.509461][ T614] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.509822][ T614] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.510267][ T614] ___sys_sendmsg (net/socket.c:2670) 
[ 54.510610][ T614] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.510949][ T614] ? __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) 
[ 54.511343][ T614] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.511668][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.511981][ T614] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.512326][ T614] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.512650][ T614] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.513010][ T614] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.513363][ T614] __sys_sendmsg (net/socket.c:2700) 
[ 54.513678][ T614] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.514069][ T614] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.514456][ T614] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.514768][ T614] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.515074][ T614] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.515481][  T614] RIP: 0033:0x7f08e53971e7
[ 54.515808][ T614] 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)
[   54.516963][  T614] RSP: 002b:00007ffe110a2b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.517480][  T614] RAX: ffffffffffffffda RBX: 00007ffe110a3280 RCX: 00007f08e53971e7
[   54.517996][  T614] RDX: 0000000000000000 RSI: 00007ffe110a2bc0 RDI: 0000000000000005
[   54.518476][  T614] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.518959][  T614] R10: 00007f08e5294ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.519439][  T614] R13: 00000000686e1526 R14: 0000000000499600 R15: 0000000000000000
| [   54.960646][  T617] ------------[ cut here ]------------
| [ 54.961021][ T617] WARNING: CPU: 0 PID: 617 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) 
| [   54.961739][  T617] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.963148][  T617] Tainted: [W]=WARN
[   54.963405][  T617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.963810][ T617] 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) 
[ 54.964158][ T617] 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
[   54.965381][  T617] RSP: 0018:ffffc900012d6e80 EFLAGS: 00010246
[   54.965795][  T617] RAX: 0000000000000000 RBX: ffff88800a7fa000 RCX: 0000000000000001
[   54.966308][  T617] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   54.966823][  T617] RBP: ffffc900012d6f68 R08: 0000000000000000 R09: 0000000000000000
[   54.967347][  T617] R10: ffffc900012d6f98 R11: ffffffffa2608d81 R12: 1ffff9200025add4
[   54.967852][  T617] R13: 00000000000005dc R14: ffffc900012d6f98 R15: ffff88800a7faf08
[   54.968363][  T617] FS:  00007f7006698800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   54.968932][  T617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.969354][  T617] CR2: 00000000004e5730 CR3: 000000000a54d001 CR4: 0000000000772ef0
[   54.969856][  T617] PKRU: 55555554
[   54.970103][  T617] Call Trace:
[   54.970361][  T617]  <TASK>
[ 54.970528][ T617] ? __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) 
[ 54.970938][ T617] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.971318][ T617] ? br_device_event (net/bridge/br.c:141) bridge 
[ 54.971685][ T617] ? notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 54.972013][ T617] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.972346][ T617] ? netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.972674][ T617] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.972996][ T617] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.973330][ T617] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.973666][ T617] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.973989][ T617] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.974334][ T617] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.974661][ T617] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.975074][ T617] netif_set_mtu (net/core/dev.c:9652) 
[ 54.975410][ T617] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.975752][ T617] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.976000][ T617] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.976460][ T617] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.976829][ T617] br_device_event (net/bridge/br.c:141) bridge 
[ 54.977192][ T617] ? __pfx_br_device_event (net/bridge/br.c:29) bridge 
[ 54.977643][ T617] ? netconsole_netdev_event (drivers/net/netconsole.c:1474) 
[ 54.977988][ T617] notifier_call_chain (kernel/notifier.c:85 (discriminator 2)) 
[ 54.978330][ T617] unregister_netdevice_many_notify (net/core/dev.c:12107) 
[ 54.978741][ T617] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:12032) 
[ 54.979151][ T617] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 54.979501][ T617] rtnl_dellink (net/core/rtnetlink.c:3515 net/core/rtnetlink.c:3555) 
[ 54.979843][ T617] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 54.980214][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.980565][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.980898][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.981217][ T617] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.981550][ T617] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.981884][ T617] ? __pfx_rtnl_dellink (net/core/rtnetlink.c:3521) 
[ 54.982208][ T617] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.982545][ T617] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.982876][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.983204][ T617] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.983541][ T617] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.983870][ T617] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.984207][ T617] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.984548][ T617] ? 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) 
[ 54.984874][ T617] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.985204][ T617] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.985537][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.985867][ T617] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.986196][ T617] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.986533][ T617] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.986882][ T617] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.987212][ T617] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.987547][ T617] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.987965][ T617] ___sys_sendmsg (net/socket.c:2670) 
[ 54.988304][ T617] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.988631][ T617] ? __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) 
[ 54.989038][ T617] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.989383][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.989721][ T617] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.990052][ T617] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.990390][ T617] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.990717][ T617] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.991047][ T617] __sys_sendmsg (net/socket.c:2700) 
[ 54.991379][ T617] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.991793][ T617] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.992131][ T617] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.992472][ T617] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.992803][ T617] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.993212][  T617] RIP: 0033:0x7f70068651e7
[ 54.993565][ T617] 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)
[   54.994742][  T617] RSP: 002b:00007fff696e00c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.995233][  T617] RAX: ffffffffffffffda RBX: 00007fff696e07f0 RCX: 00007f70068651e7
[   54.995733][  T617] RDX: 0000000000000000 RSI: 00007fff696e0130 RDI: 0000000000000005
[   54.996227][  T617] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[   54.996723][  T617] R10: 00007f7006762ee8 R11: 0000000000000246 R12: 0000000000000002
[   54.997213][  T617] R13: 00000000686e1526 R14: 0000000000499600 R15: 0000000000000000
| [   55.618442][  T622] ------------[ cut here ]------------
| [ 55.618823][ T622] WARNING: CPU: 2 PID: 622 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) 
| [   55.619841][  T622] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   55.621206][  T622] Tainted: [W]=WARN
[   55.621468][  T622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.621865][ T622] 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) 
[ 55.622197][ T622] 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
[   55.623325][  T622] RSP: 0018:ffffc90001316f70 EFLAGS: 00010246
[   55.623728][  T622] RAX: 0000000000000000 RBX: ffff88800caca000 RCX: 0000000000000001
[   55.624196][  T622] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   55.624676][  T622] RBP: ffffc90001317058 R08: 0000000000000000 R09: 0000000000000000
[   55.625146][  T622] R10: ffffc90001317088 R11: ffffffffa3779160 R12: 1ffff92000262df2
[   55.625628][  T622] R13: 00000000000005dc R14: ffffc90001317088 R15: ffff88800cacaf08
[   55.626096][  T622] FS:  00007f8572c64800(0000) GS:ffff88808a1b7000(0000) knlGS:0000000000000000
[   55.626653][  T622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.627048][  T622] CR2: 00000000004e5aa8 CR3: 000000000fa02004 CR4: 0000000000772ef0
[   55.627550][  T622] PKRU: 55555554
[   55.627797][  T622] Call Trace:
[   55.628038][  T622]  <TASK>
[ 55.628205][ T622] ? __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) 
[ 55.628613][ T622] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.628972][ T622] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.629304][ T622] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.629645][ T622] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.629972][ T622] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.630304][ T622] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.630622][ T622] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.630940][ T622] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.631255][ T622] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.631595][ T622] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.631914][ T622] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.632316][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.632652][ T622] netif_set_mtu (net/core/dev.c:9652) 
[ 55.632979][ T622] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.633350][ T622] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.633598][ T622] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.634034][ T622] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.634396][ T622] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.634717][ T622] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.635037][ T622] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.635396][ T622] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.635808][ T622] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.636127][ T622] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.636458][ T622] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.636780][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.637107][ T622] ? __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) 
[ 55.637443][ T622] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.637867][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.638191][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.638519][ T622] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.638839][ T622] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.639158][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.639497][ T622] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.639827][ T622] ? __create_object (mm/kmemleak.c:771) 
[ 55.640158][ T622] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.640489][ T622] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.640805][ T622] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.641193][ T622] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.641559][ T622] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.641882][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.642197][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.642536][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.642859][ T622] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.643170][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.643514][ T622] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.643834][ T622] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.644150][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.644478][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.644801][ T622] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.645124][ T622] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.645451][ T622] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.645780][ T622] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.646094][ T622] ? 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) 
[ 55.646443][ T622] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.646761][ T622] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.647076][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.647423][ T622] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.647749][ T622] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.648063][ T622] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.648398][ T622] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.648719][ T622] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.649036][ T622] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.649447][ T622] ___sys_sendmsg (net/socket.c:2670) 
[ 55.649788][ T622] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.650105][ T622] ? __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) 
[ 55.650508][ T622] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.650828][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.651149][ T622] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.651496][ T622] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.651818][ T622] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.652142][ T622] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.652480][ T622] __sys_sendmsg (net/socket.c:2700) 
[ 55.652793][ T622] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.653181][ T622] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.653518][ T622] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.653837][ T622] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.654150][ T622] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.654548][  T622] RIP: 0033:0x7f8572e311e7
[ 55.654882][ T622] 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)
[   55.655990][  T622] RSP: 002b:00007fff82eb8bd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.656478][  T622] RAX: ffffffffffffffda RBX: 00007fff82eb9300 RCX: 00007f8572e311e7
[   55.656951][  T622] RDX: 0000000000000000 RSI: 00007fff82eb8c40 RDI: 0000000000000005
[   55.657425][  T622] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.657892][  T622] R10: 00007f8572d2eee8 R11: 0000000000000246 R12: 0000000000000003
[   55.658391][  T622] R13: 00000000686e1527 R14: 0000000000499600 R15: 0000000000000000
| [   55.782985][  T623] ------------[ cut here ]------------
| [ 55.783659][ T623] WARNING: CPU: 0 PID: 623 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) 
| [   55.784262][  T623] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   55.785544][  T623] Tainted: [W]=WARN
[   55.785776][  T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 55.786156][ T623] 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) 
[ 55.786478][ T623] 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
[   55.787583][  T623] RSP: 0018:ffffc90001326f70 EFLAGS: 00010246
[   55.787973][  T623] RAX: 0000000000000000 RBX: ffff88800caca000 RCX: 0000000000000001
[   55.788437][  T623] RDX: 0000000000000000 RSI: ffffffffa329b941 RDI: ffffffffa2a555e0
[   55.788901][  T623] RBP: ffffc90001327058 R08: 0000000000000000 R09: 0000000000000000
[   55.789369][  T623] R10: ffffc90001327088 R11: ffffffffa3779160 R12: 1ffff92000264df2
[   55.789837][  T623] R13: 00000000000005dc R14: ffffc90001327088 R15: ffff88800cacaf08
[   55.790306][  T623] FS:  00007f4ca1145800(0000) GS:ffff88808a0b7000(0000) knlGS:0000000000000000
[   55.790846][  T623] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.791232][  T623] CR2: 00000000004e73b8 CR3: 0000000008db8002 CR4: 0000000000772ef0
[   55.791697][  T623] PKRU: 55555554
[   55.791932][  T623] Call Trace:
[   55.792164][  T623]  <TASK>
[ 55.792326][ T623] ? __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) 
[ 55.792710][ T623] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 55.793063][ T623] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.793379][ T623] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.793683][ T623] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 55.793985][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.794312][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.794615][ T623] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.794924][ T623] ? ___sys_sendmsg (net/socket.c:2670) 
[ 55.795231][ T623] ? __sys_sendmsg (net/socket.c:2700) 
[ 55.795553][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.795861][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 55.796238][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.796563][ T623] netif_set_mtu (net/core/dev.c:9652) 
[ 55.796870][ T623] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 55.797188][ T623] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 55.797431][ T623] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 55.797855][ T623] br_del_if (net/bridge/br_if.c:743) bridge 
[ 55.798191][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 55.798504][ T623] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 55.798811][ T623] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 55.799119][ T623] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 55.799539][ T623] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 55.799850][ T623] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 55.800154][ T623] ? __kernel_text_address (kernel/extable.c:79) 
[ 55.800480][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.800789][ T623] ? __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) 
[ 55.801093][ T623] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 55.801478][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.801788][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.802089][ T623] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 55.802400][ T623] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 55.802714][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.803018][ T623] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 55.803326][ T623] ? __create_object (mm/kmemleak.c:771) 
[ 55.803637][ T623] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 55.803946][ T623] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 55.804250][ T623] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 55.804635][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 55.804957][ T623] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 55.805268][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.805580][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.805891][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.806196][ T623] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 55.806507][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.806814][ T623] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 55.807119][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 55.807440][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.807747][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.808057][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 55.808367][ T623] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 55.808671][ T623] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 55.808985][ T623] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 55.809304][ T623] ? 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) 
[ 55.809632][ T623] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 55.809938][ T623] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 55.810241][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.810558][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 55.810867][ T623] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 55.811170][ T623] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 55.811493][ T623] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 55.811805][ T623] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 55.812113][ T623] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 55.812518][ T623] ___sys_sendmsg (net/socket.c:2670) 
[ 55.812820][ T623] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 55.813124][ T623] ? __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) 
[ 55.813513][ T623] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 55.813819][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.814130][ T623] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 55.814453][ T623] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 55.814755][ T623] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 55.815056][ T623] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 55.815374][ T623] __sys_sendmsg (net/socket.c:2700) 
[ 55.815679][ T623] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 55.816053][ T623] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 55.816375][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 55.816686][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 55.816991][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   55.817376][  T623] RIP: 0033:0x7f4ca13121e7
[ 55.817694][ T623] 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)
[   55.818789][  T623] RSP: 002b:00007ffc014cacc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   55.819253][  T623] RAX: ffffffffffffffda RBX: 00007ffc014cb3f0 RCX: 00007f4ca13121e7
[   55.819724][  T623] RDX: 0000000000000000 RSI: 00007ffc014cad30 RDI: 0000000000000005
[   55.820179][  T623] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   55.820648][  T623] R10: 00007f4ca120fee8 R11: 0000000000000246 R12: 0000000000000003


Finger prints:
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_del_if
netif_set_mtu_ext:netif_set_mtu:dev_set_mtu:br_mtu_auto_adjust:br_add_if