======================================
| [   23.186267][  T346] br1: port 1(vx100) entered forwarding state
| [   23.187550][  T346] ------------[ cut here ]------------
| [ 23.187910][ T346] WARNING: CPU: 0 PID: 346 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) 
| [   23.189604][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.190960][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.191375][ T346] 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) 
[ 23.191725][ T346] 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
[   23.192927][  T346] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   23.193363][  T346] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   23.193881][  T346] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   23.194399][  T346] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.194921][  T346] R10: ffffc90000547010 R11: ffffffff9c8a8918 R12: 1ffff920000a8de2
[   23.195436][  T346] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800a852f08
[   23.196199][  T346] FS:  00007fae9c942800(0000) GS:ffff8880986b7000(0000) knlGS:0000000000000000
[   23.196826][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.197264][  T346] CR2: 00000000004e6890 CR3: 000000000e8cc002 CR4: 0000000000772ef0
[   23.197791][  T346] PKRU: 55555554
[   23.198051][  T346] Call Trace:
[   23.198313][  T346]  <TASK>
[ 23.198494][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.198856][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.199214][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.199559][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.200002][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.200349][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.200690][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.201026][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.201491][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.201750][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.202210][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.202596][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.202926][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.203264][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.203685][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.204011][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.204331][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.204691][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.205028][ T346] ? __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) 
[ 23.205356][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.205773][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.206105][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.206434][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.206763][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.207104][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.207440][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.207771][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.208110][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.208437][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.208776][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.209188][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.209521][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.209863][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.210188][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.210520][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.210854][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.211180][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.211509][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.211850][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.212175][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.212784][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.213115][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.213448][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.213782][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.214116][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.214453][ T346] ? 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) 
[ 23.214783][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.215112][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.215441][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.215781][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.216342][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.216680][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.217023][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.217367][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.217701][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.218124][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.218454][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.218787][ T346] ? __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) 
[ 23.219199][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.219768][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.220319][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.220663][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.220982][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.221533][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.221867][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.222187][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.222598][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.223164][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.223491][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.223825][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.224226][  T346] RIP: 0033:0x7fae9cb0f1e7
[ 23.224810][ T346] 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)
[   23.226193][  T346] RSP: 002b:00007ffe890cd968 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.226699][  T346] RAX: ffffffffffffffda RBX: 00007ffe890ce090 RCX: 00007fae9cb0f1e7
[   23.227183][  T346] RDX: 0000000000000000 RSI: 00007ffe890cd9d0 RDI: 0000000000000005
[   23.227900][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.228636][  T346] R10: 0000000019316910 R11: 0000000000000246 R12: 0000000000000004
[   23.229134][  T346] R13: 00000000686e3f0a R14: 0000000000499600 R15: 0000000000000000
| [   23.481968][  T348] ------------[ cut here ]------------
| [ 23.482301][ T348] WARNING: CPU: 0 PID: 348 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) 
| [   23.482944][  T348] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.484638][  T348] Tainted: [W]=WARN
[   23.484885][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.485299][ T348] 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) 
[ 23.485640][ T348] 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
[   23.486794][  T348] RSP: 0018:ffffc90000536ef0 EFLAGS: 00010246
[   23.487196][  T348] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   23.487690][  T348] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   23.488179][  T348] RBP: ffffc90000536fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.488665][  T348] R10: ffffc90000537010 R11: ffffffff9c8a8918 R12: 1ffff920000a6de2
[   23.489144][  T348] R13: 00000000000005dc R14: ffffc90000537010 R15: ffff88800a852f08
[   23.489657][  T348] FS:  00007ff376224800(0000) GS:ffff8880986b7000(0000) knlGS:0000000000000000
[   23.490254][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.490678][  T348] CR2: 00000000004e5aa8 CR3: 0000000011179005 CR4: 0000000000772ef0
[   23.491159][  T348] PKRU: 55555554
[   23.491397][  T348] Call Trace:
[   23.491647][  T348]  <TASK>
[ 23.491819][ T348] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.492143][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.492480][ T348] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.492810][ T348] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.493208][ T348] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.493529][ T348] netif_set_mtu (net/core/dev.c:9652) 
[ 23.493859][ T348] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.494203][ T348] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.494693][ T348] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.494934][ T348] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.495371][ T348] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.495743][ T348] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.496072][ T348] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.496394][ T348] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.496828][ T348] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.497151][ T348] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.497465][ T348] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.497795][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.498119][ T348] ? __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) 
[ 23.498436][ T348] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.499120][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.499445][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.499782][ T348] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.500099][ T348] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.500418][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.500744][ T348] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.501058][ T348] ? __create_object (mm/kmemleak.c:771) 
[ 23.501383][ T348] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.501715][ T348] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.502032][ T348] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.502428][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.502762][ T348] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.503086][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.503416][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.503748][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.504067][ T348] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.504409][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.504741][ T348] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.505056][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.505401][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.505759][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.506088][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.506410][ T348] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.506761][ T348] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.507093][ T348] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.507406][ T348] ? 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) 
[ 23.507737][ T348] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.508063][ T348] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.508381][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.508713][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.509036][ T348] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.509353][ T348] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.509687][ T348] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.510014][ T348] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.510329][ T348] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.510744][ T348] ___sys_sendmsg (net/socket.c:2670) 
[ 23.511058][ T348] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.511379][ T348] ? __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) 
[ 23.511783][ T348] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.512107][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.512428][ T348] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.512765][ T348] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.513083][ T348] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.513397][ T348] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.513734][ T348] __sys_sendmsg (net/socket.c:2700) 
[ 23.514056][ T348] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.514460][ T348] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.514797][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.515115][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.515430][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.515830][  T348] RIP: 0033:0x7ff3763f11e7
[ 23.516164][ T348] 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)
[   23.517301][  T348] RSP: 002b:00007fff84ab18c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.517791][  T348] RAX: ffffffffffffffda RBX: 00007fff84ab1ff0 RCX: 00007ff3763f11e7
[   23.518268][  T348] RDX: 0000000000000000 RSI: 00007fff84ab1930 RDI: 0000000000000005
[   23.518757][  T348] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.519231][  T348] R10: 000000000b36e910 R11: 0000000000000246 R12: 0000000000000004
[   23.519718][  T348] R13: 00000000686e3f0b R14: 0000000000499600 R15: 0000000000000000
| [   23.879428][  T351] ------------[ cut here ]------------
| [ 23.879805][ T351] WARNING: CPU: 3 PID: 351 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) 
| [   23.880491][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.881923][  T351] Tainted: [W]=WARN
[   23.882186][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.882625][ T351] 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) 
[ 23.882986][ T351] 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
[   23.884221][  T351] RSP: 0018:ffffc90000636ef0 EFLAGS: 00010246
[   23.884817][  T351] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   23.885343][  T351] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   23.885864][  T351] RBP: ffffc90000636fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.886389][  T351] R10: ffffc90000637010 R11: ffffffff9c8a8918 R12: 1ffff920000c6de2
[   23.886916][  T351] R13: 00000000000005dc R14: ffffc90000637010 R15: ffff88800a852f08
[   23.887430][  T351] FS:  00007f2f56d8d800(0000) GS:ffff888098837000(0000) knlGS:0000000000000000
[   23.888045][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.888485][  T351] CR2: 00000000004e5ab0 CR3: 000000000dda1004 CR4: 0000000000772ef0
[   23.889020][  T351] PKRU: 55555554
[   23.889301][  T351] Call Trace:
[   23.889537][  T351]  <TASK>
[ 23.889708][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.890021][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.890339][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.890659][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.891045][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.891361][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 23.891687][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.892006][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.892447][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.892689][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.893110][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.893471][ T351] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.893804][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.894126][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.894522][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.894836][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.895141][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.895453][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.895774][ T351] ? __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) 
[ 23.896081][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.896459][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.896792][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.897094][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.897412][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.897725][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.898040][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.898345][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 23.898673][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.898986][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.899294][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.899686][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.899998][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.900309][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.900627][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.900943][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.901254][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.901555][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.901886][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.902193][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.902501][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.902821][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.903141][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.903458][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.903776][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.904094][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.904410][ T351] ? 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) 
[ 23.904731][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.905041][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.905349][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.905680][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.905989][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.906294][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.906624][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.906941][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.907257][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.907672][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 23.907979][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.908285][ T351] ? __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) 
[ 23.908676][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.908985][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.909295][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.909630][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.909945][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.910259][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.910574][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 23.910893][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.911282][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.911616][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.911928][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.912245][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.912646][  T351] RIP: 0033:0x7f2f56f5a1e7
[ 23.912973][ T351] 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)
[   23.914083][  T351] RSP: 002b:00007fff60617ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.914573][  T351] RAX: ffffffffffffffda RBX: 00007fff606183d0 RCX: 00007f2f56f5a1e7
[   23.915043][  T351] RDX: 0000000000000000 RSI: 00007fff60617d10 RDI: 0000000000000005
[   23.915506][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.915974][  T351] R10: 0000000019270910 R11: 0000000000000246 R12: 0000000000000004
[   23.916441][  T351] R13: 00000000686e3f0b R14: 0000000000499600 R15: 0000000000000000
| [   28.381316][  T398] ------------[ cut here ]------------
| [ 28.381747][ T398] WARNING: CPU: 1 PID: 398 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) 
| [   28.382355][  T398] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   28.383632][  T398] Tainted: [W]=WARN
[   28.383862][  T398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.384248][ T398] 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) 
[ 28.384578][ T398] 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
[   28.385686][  T398] RSP: 0018:ffffc900009c6ef0 EFLAGS: 00010246
[   28.386073][  T398] RAX: 0000000000000000 RBX: ffff88800b452000 RCX: 0000000000000001
[   28.386539][  T398] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   28.387014][  T398] RBP: ffffc900009c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.387519][  T398] R10: ffffc900009c7010 R11: ffffffff9bf79160 R12: 1ffff92000138de2
[   28.388011][  T398] R13: 00000000000005dc R14: ffffc900009c7010 R15: ffff88800b452f08
[   28.388466][  T398] FS:  00007f8882eb5800(0000) GS:ffff888098737000(0000) knlGS:0000000000000000
[   28.389008][  T398] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.389423][  T398] CR2: 00000000004e6898 CR3: 000000000fc18001 CR4: 0000000000772ef0
[   28.389922][  T398] PKRU: 55555554
[   28.390164][  T398] Call Trace:
[   28.390429][  T398]  <TASK>
[ 28.390605][ T398] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.390928][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.391262][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.391604][ T398] netif_set_mtu (net/core/dev.c:9652) 
[ 28.391925][ T398] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.392264][ T398] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.392507][ T398] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.392964][ T398] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.393333][ T398] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.393670][ T398] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.393997][ T398] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.394410][ T398] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.394752][ T398] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.395073][ T398] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.395394][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.395727][ T398] ? __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) 
[ 28.396051][ T398] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.396448][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.396788][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.397110][ T398] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.397433][ T398] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.397771][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.398096][ T398] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.398416][ T398] ? __create_object (mm/kmemleak.c:771) 
[ 28.398752][ T398] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.399077][ T398] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.399396][ T398] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.399810][ T398] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.400139][ T398] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.400465][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.400797][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.401128][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.401449][ T398] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.401775][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.402097][ T398] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.402416][ T398] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.402746][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.403068][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.403391][ T398] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.403723][ T398] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.404044][ T398] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.404373][ T398] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.404717][ T398] ? 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) 
[ 28.405042][ T398] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.405367][ T398] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.405700][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.406034][ T398] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.406356][ T398] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.406686][ T398] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.407016][ T398] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.407342][ T398] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.407667][ T398] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.408079][ T398] ___sys_sendmsg (net/socket.c:2670) 
[ 28.408401][ T398] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.408729][ T398] ? __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) 
[ 28.409155][ T398] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.409476][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.409810][ T398] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.410136][ T398] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.410456][ T398] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.410787][ T398] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.411113][ T398] __sys_sendmsg (net/socket.c:2700) 
[ 28.411430][ T398] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.411857][ T398] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.412189][ T398] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.412513][ T398] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.412843][ T398] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.413246][  T398] RIP: 0033:0x7f88830821e7
[ 28.413580][ T398] 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)
[   28.414760][  T398] RSP: 002b:00007ffc7ac00a98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.415248][  T398] RAX: ffffffffffffffda RBX: 00007ffc7ac011c0 RCX: 00007f88830821e7
[   28.415742][  T398] RDX: 0000000000000000 RSI: 00007ffc7ac00b00 RDI: 0000000000000005
[   28.416220][  T398] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.416706][  T398] R10: 000000002a976910 R11: 0000000000000246 R12: 0000000000000004
[   28.417183][  T398] R13: 00000000686e3f0f R14: 0000000000499600 R15: 0000000000000000
| [   29.212951][  T405] ------------[ cut here ]------------
| [ 29.213284][ T405] WARNING: CPU: 2 PID: 405 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) 
| [   29.214051][  T405] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.215428][  T405] Tainted: [W]=WARN
[   29.215686][  T405] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.216090][ T405] 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) 
[ 29.216426][ T405] 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
[   29.217562][  T405] RSP: 0018:ffffc90000566ef0 EFLAGS: 00010246
[   29.217971][  T405] RAX: 0000000000000000 RBX: ffff88800b452000 RCX: 0000000000000001
[   29.218439][  T405] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   29.218914][  T405] RBP: ffffc90000566fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.219386][  T405] R10: ffffc90000567010 R11: ffffffff9c8a8918 R12: 1ffff920000acde2
[   29.219857][  T405] R13: 00000000000005dc R14: ffffc90000567010 R15: ffff88800b452f08
[   29.220325][  T405] FS:  00007fd74fb5e800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   29.220874][  T405] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.221271][  T405] CR2: 00000000004e6898 CR3: 000000000918c002 CR4: 0000000000772ef0
[   29.221750][  T405] PKRU: 55555554
[   29.221989][  T405] Call Trace:
[   29.222230][  T405]  <TASK>
[ 29.222400][ T405] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.222729][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.223053][ T405] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 29.223372][ T405] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 29.223772][ T405] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 29.224131][ T405] netif_set_mtu (net/core/dev.c:9652) 
[ 29.224486][ T405] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.224834][ T405] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 29.225277][ T405] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.225526][ T405] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.225978][ T405] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.226346][ T405] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.226680][ T405] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.227007][ T405] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.227406][ T405] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.227758][ T405] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.228081][ T405] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.228421][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.228753][ T405] ? __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) 
[ 29.229079][ T405] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.229474][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.229805][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.230123][ T405] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.230449][ T405] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.230802][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.231125][ T405] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.231444][ T405] ? __create_object (mm/kmemleak.c:771) 
[ 29.231778][ T405] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.232095][ T405] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.232410][ T405] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.232815][ T405] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.233140][ T405] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.233472][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.233805][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.234133][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.234494][ T405] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.234831][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.235175][ T405] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.235493][ T405] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.235827][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.236161][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.236516][ T405] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.236850][ T405] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.237170][ T405] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.237502][ T405] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.237831][ T405] ? 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) 
[ 29.238157][ T405] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.238491][ T405] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.238820][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.239145][ T405] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.239470][ T405] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.239797][ T405] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.240127][ T405] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.240458][ T405] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.240791][ T405] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.241225][ T405] ___sys_sendmsg (net/socket.c:2670) 
[ 29.241542][ T405] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.241869][ T405] ? __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) 
[ 29.242263][ T405] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.242601][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.242923][ T405] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.243255][ T405] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.243576][ T405] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.243904][ T405] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.244247][ T405] __sys_sendmsg (net/socket.c:2700) 
[ 29.244625][ T405] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.245019][ T405] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.245352][ T405] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.245693][ T405] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.246013][ T405] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.246407][  T405] RIP: 0033:0x7fd74fd2b1e7
[ 29.246752][ T405] 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)
[   29.247863][  T405] RSP: 002b:00007ffdb7b6d9b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.248348][  T405] RAX: ffffffffffffffda RBX: 00007ffdb7b6e0e0 RCX: 00007fd74fd2b1e7
[   29.248843][  T405] RDX: 0000000000000000 RSI: 00007ffdb7b6da20 RDI: 0000000000000005
[   29.249312][  T405] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.249795][  T405] R10: 00000000328d2910 R11: 0000000000000246 R12: 0000000000000004
[   29.250269][  T405] R13: 00000000686e3f10 R14: 0000000000499600 R15: 0000000000000000
| [   33.456216][  T446] ------------[ cut here ]------------
| [ 33.456564][ T446] WARNING: CPU: 1 PID: 446 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) 
| [   33.457209][  T446] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   33.458531][  T446] Tainted: [W]=WARN
[   33.458783][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.459181][ T446] 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) 
[ 33.459510][ T446] 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
[   33.460661][  T446] RSP: 0018:ffffc90000c9eef0 EFLAGS: 00010246
[   33.461064][  T446] RAX: 0000000000000000 RBX: ffff88800fd82000 RCX: 0000000000000001
[   33.461543][  T446] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   33.462050][  T446] RBP: ffffc90000c9efe0 R08: 0000000000000000 R09: 0000000000000000
[   33.462530][  T446] R10: ffffc90000c9f010 R11: ffffffff9bf79160 R12: 1ffff92000193de2
[   33.463021][  T446] R13: 00000000000005dc R14: ffffc90000c9f010 R15: ffff88800fd82f08
[   33.463504][  T446] FS:  00007f3c95b1f800(0000) GS:ffff888098737000(0000) knlGS:0000000000000000
[   33.464071][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.464491][  T446] CR2: 00000000004e6898 CR3: 0000000011555001 CR4: 0000000000772ef0
[   33.464996][  T446] PKRU: 55555554
[   33.465238][  T446] Call Trace:
[   33.465478][  T446]  <TASK>
[ 33.465654][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.465977][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.466306][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.466643][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 33.466965][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.467306][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.467549][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.468008][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.468377][ T446] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.468714][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.469038][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.469439][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.469776][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.470095][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.470417][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.470753][ T446] ? __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) 
[ 33.471074][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.471471][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.471803][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.472135][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.472457][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.472789][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.473110][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.473429][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 33.473763][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.474083][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.474412][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.474860][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.475217][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.475548][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.475891][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.476220][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.476541][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.476872][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.477197][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.477525][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.477858][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.478186][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.478510][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.478846][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.479174][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.479508][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.479857][ T446] ? 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) 
[ 33.480183][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.480508][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.480841][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.481172][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.481499][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.481834][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.482178][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.482507][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.482838][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.483248][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 33.483565][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.483897][ T446] ? __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) 
[ 33.484299][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.484648][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.484971][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.485297][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.485626][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.485944][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.486269][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 33.486598][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.487001][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.487333][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.487669][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.487994][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.488390][  T446] RIP: 0033:0x7f3c95cec1e7
[ 33.488732][ T446] 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)
[   33.489889][  T446] RSP: 002b:00007ffd15b00aa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.490375][  T446] RAX: ffffffffffffffda RBX: 00007ffd15b011d0 RCX: 00007f3c95cec1e7
[   33.490867][  T446] RDX: 0000000000000000 RSI: 00007ffd15b00b10 RDI: 0000000000000005
[   33.491344][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.491851][  T446] R10: 000000001174e910 R11: 0000000000000246 R12: 0000000000000004
[   33.492331][  T446] R13: 00000000686e3f15 R14: 0000000000499600 R15: 0000000000000000
| [   34.278241][  T453] ------------[ cut here ]------------
| [ 34.278552][ T453] WARNING: CPU: 3 PID: 453 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) 
| [   34.279180][  T453] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.280461][  T453] Tainted: [W]=WARN
[   34.280712][  T453] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.281094][ T453] 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) 
[ 34.281405][ T453] 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
[   34.282514][  T453] RSP: 0018:ffffc90000cdeef0 EFLAGS: 00010246
[   34.282927][  T453] RAX: 0000000000000000 RBX: ffff88800fd82000 RCX: 0000000000000001
[   34.283407][  T453] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   34.283893][  T453] RBP: ffffc90000cdefe0 R08: 0000000000000000 R09: 0000000000000000
[   34.284370][  T453] R10: ffffc90000cdf010 R11: ffffffff9bf79160 R12: 1ffff9200019bde2
[   34.284864][  T453] R13: 00000000000005dc R14: ffffc90000cdf010 R15: ffff88800fd82f08
[   34.285340][  T453] FS:  00007f5f68192800(0000) GS:ffff888098837000(0000) knlGS:0000000000000000
[   34.285906][  T453] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.286308][  T453] CR2: 00000000004e6898 CR3: 0000000008df7006 CR4: 0000000000772ef0
[   34.286797][  T453] PKRU: 55555554
[   34.287036][  T453] Call Trace:
[   34.287275][  T453]  <TASK>
[ 34.287441][ T453] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.287769][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.288100][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.288420][ T453] netif_set_mtu (net/core/dev.c:9652) 
[ 34.288749][ T453] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.289083][ T453] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.289327][ T453] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.289779][ T453] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.290149][ T453] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.290472][ T453] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.290814][ T453] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.291221][ T453] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.291540][ T453] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.291869][ T453] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.292194][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.292515][ T453] ? __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) 
[ 34.292853][ T453] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.293253][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.293565][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.293880][ T453] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.294183][ T453] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.294496][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.294823][ T453] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.295139][ T453] ? __create_object (mm/kmemleak.c:771) 
[ 34.295464][ T453] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.295794][ T453] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.296133][ T453] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.296509][ T453] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.296828][ T453] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.297140][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.297442][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.297801][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.298130][ T453] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.298430][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.298762][ T453] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.299068][ T453] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.299387][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.299737][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.300062][ T453] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.300386][ T453] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.300719][ T453] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.301049][ T453] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.301374][ T453] ? 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) 
[ 34.301705][ T453] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.302027][ T453] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.302345][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.302684][ T453] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.303001][ T453] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.303320][ T453] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.303656][ T453] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.303980][ T453] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.304303][ T453] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.304736][ T453] ___sys_sendmsg (net/socket.c:2670) 
[ 34.305064][ T453] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.305384][ T453] ? __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) 
[ 34.305790][ T453] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.306112][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.306435][ T453] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.306769][ T453] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.307089][ T453] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.307412][ T453] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.307747][ T453] __sys_sendmsg (net/socket.c:2700) 
[ 34.308065][ T453] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.308457][ T453] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.308797][ T453] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.309119][ T453] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.309436][ T453] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.309843][  T453] RIP: 0033:0x7f5f6835f1e7
[ 34.310176][ T453] 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)
[   34.311321][  T453] RSP: 002b:00007ffd240b3a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.311816][  T453] RAX: ffffffffffffffda RBX: 00007ffd240b4180 RCX: 00007f5f6835f1e7
[   34.312302][  T453] RDX: 0000000000000000 RSI: 00007ffd240b3ac0 RDI: 0000000000000005
[   34.312787][  T453] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.313264][  T453] R10: 00000000192ff910 R11: 0000000000000246 R12: 0000000000000004
[   34.313750][  T453] R13: 00000000686e3f15 R14: 0000000000499600 R15: 0000000000000000
| [   52.623427][  T578] ------------[ cut here ]------------
| [ 52.624465][ T578] WARNING: CPU: 0 PID: 578 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) 
| [   52.625116][  T578] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   52.627052][  T578] Tainted: [W]=WARN
[   52.627320][  T578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 52.627730][ T578] 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) 
[ 52.628056][ T578] 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
[   52.629186][  T578] RSP: 0018:ffffc9000116ef70 EFLAGS: 00010246
[   52.629574][  T578] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   52.630046][  T578] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   52.630513][  T578] RBP: ffffc9000116f058 R08: 0000000000000000 R09: 0000000000000000
[   52.630999][  T578] R10: ffffc9000116f088 R11: ffffffff97e00130 R12: 1ffff9200022ddf2
[   52.631464][  T578] R13: 00000000000005dc R14: ffffc9000116f088 R15: ffff88800a852f08
[   52.631937][  T578] FS:  00007f7fab2b9800(0000) GS:ffff8880986b7000(0000) knlGS:0000000000000000
[   52.632495][  T578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.632905][  T578] CR2: 00000000004e5ab0 CR3: 000000000c429002 CR4: 0000000000772ef0
[   52.633392][  T578] PKRU: 55555554
[   52.633676][  T578] Call Trace:
[   52.633941][  T578]  <TASK>
[ 52.634099][ T578] ? __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) 
[ 52.634494][ T578] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 52.634901][ T578] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.635206][ T578] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.635523][ T578] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 52.635846][ T578] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.636167][ T578] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.636476][ T578] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.636814][ T578] ? ___sys_sendmsg (net/socket.c:2670) 
[ 52.637122][ T578] ? __sys_sendmsg (net/socket.c:2700) 
[ 52.637424][ T578] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.637758][ T578] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 52.638154][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.638478][ T578] netif_set_mtu (net/core/dev.c:9652) 
[ 52.638815][ T578] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 52.639153][ T578] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 52.639396][ T578] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 52.639847][ T578] br_del_if (net/bridge/br_if.c:743) bridge 
[ 52.640196][ T578] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 52.640521][ T578] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 52.640846][ T578] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 52.641168][ T578] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 52.641565][ T578] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 52.641888][ T578] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 52.642193][ T578] ? __kernel_text_address (kernel/extable.c:79) 
[ 52.642503][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.642826][ T578] ? __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) 
[ 52.643144][ T578] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 52.643529][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.643847][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.644151][ T578] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 52.644468][ T578] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 52.644803][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.645110][ T578] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 52.645411][ T578] ? __create_object (mm/kmemleak.c:771) 
[ 52.645744][ T578] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 52.646060][ T578] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 52.646364][ T578] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 52.646766][ T578] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 52.647078][ T578] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 52.647387][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.647702][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.648015][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.648320][ T578] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 52.648655][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.648964][ T578] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 52.649280][ T578] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 52.649606][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.649917][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.650250][ T578] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 52.650559][ T578] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 52.650900][ T578] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 52.651217][ T578] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 52.651529][ T578] ? 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) 
[ 52.651846][ T578] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 52.652154][ T578] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 52.652470][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.652792][ T578] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 52.653121][ T578] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 52.653427][ T578] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 52.653757][ T578] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 52.654080][ T578] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 52.654393][ T578] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 52.654806][ T578] ___sys_sendmsg (net/socket.c:2670) 
[ 52.655126][ T578] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 52.655436][ T578] ? __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) 
[ 52.655841][ T578] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 52.656162][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.656469][ T578] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 52.656804][ T578] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 52.657123][ T578] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 52.657447][ T578] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 52.657778][ T578] __sys_sendmsg (net/socket.c:2700) 
[ 52.658083][ T578] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 52.658470][ T578] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 52.658801][ T578] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 52.659109][ T578] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 52.659411][ T578] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   52.659806][  T578] RIP: 0033:0x7f7fab4861e7
[ 52.660137][ T578] 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)
[   52.661258][  T578] RSP: 002b:00007ffca310b158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   52.661841][  T578] RAX: ffffffffffffffda RBX: 00007ffca310b880 RCX: 00007f7fab4861e7
[   52.662316][  T578] RDX: 0000000000000000 RSI: 00007ffca310b1c0 RDI: 0000000000000005
[   52.662810][  T578] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   52.663281][  T578] R10: 00007f7fab383ee8 R11: 0000000000000246 R12: 0000000000000003
[   52.663766][  T578] R13: 00000000686e3f28 R14: 0000000000499600 R15: 0000000000000000
| [   53.017657][  T581] ------------[ cut here ]------------
| [ 53.017985][ T581] WARNING: CPU: 3 PID: 581 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) 
| [   53.020327][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.021596][  T581] Tainted: [W]=WARN
[   53.021825][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.022205][ T581] 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) 
[ 53.022526][ T581] 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
[   53.023616][  T581] RSP: 0018:ffffc9000118ef70 EFLAGS: 00010246
[   53.023999][  T581] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   53.024483][  T581] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   53.024956][  T581] RBP: ffffc9000118f058 R08: 0000000000000000 R09: 0000000000000000
[   53.025407][  T581] R10: ffffc9000118f088 R11: ffffffff9bf79160 R12: 1ffff92000231df2
[   53.025870][  T581] R13: 00000000000005dc R14: ffffc9000118f088 R15: ffff88800a852f08
[   53.026330][  T581] FS:  00007f5b93d43800(0000) GS:ffff888098837000(0000) knlGS:0000000000000000
[   53.026872][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.027254][  T581] CR2: 00000000004e5aa8 CR3: 0000000007883005 CR4: 0000000000772ef0
[   53.027726][  T581] PKRU: 55555554
[   53.027955][  T581] Call Trace:
[   53.028185][  T581]  <TASK>
[ 53.028338][ T581] ? __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) 
[ 53.028774][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.029122][ T581] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.029424][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.029736][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.030039][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.030343][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.030654][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.030968][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.031268][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.031567][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.031883][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.032261][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.032576][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 53.032899][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.033222][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.033460][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.033891][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.034270][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.034615][ T581] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.034952][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.035266][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.035663][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.035976][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.036280][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.036616][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.036927][ T581] ? __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) 
[ 53.037229][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.037616][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.037932][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.038242][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.038548][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.038868][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.039173][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.039473][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 53.039789][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.040094][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.040398][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.040799][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.041112][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.041422][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.041735][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.042048][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.042358][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.042675][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.042989][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.043292][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.043611][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.043924][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.044231][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.044545][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.044868][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.045184][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.045492][ T581] ? 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) 
[ 53.045808][ T581] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.046116][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.046418][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.046735][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.047087][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.047394][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.047731][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.048041][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.048363][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.048760][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 53.049069][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.049373][ T581] ? __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) 
[ 53.049762][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.050078][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.050391][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.050712][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.051019][ T581] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.051320][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.051655][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 53.051960][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.052343][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.052676][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.052983][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.053290][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.053673][  T581] RIP: 0033:0x7f5b93f101e7
[ 53.053987][ T581] 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)
[   53.055101][  T581] RSP: 002b:00007ffee46058d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.055563][  T581] RAX: ffffffffffffffda RBX: 00007ffee4606000 RCX: 00007f5b93f101e7
[   53.056060][  T581] RDX: 0000000000000000 RSI: 00007ffee4605940 RDI: 0000000000000005
[   53.056522][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.056984][  T581] R10: 00007f5b93e0dee8 R11: 0000000000000246 R12: 0000000000000003
[   53.057438][  T581] R13: 00000000686e3f28 R14: 0000000000499600 R15: 0000000000000000
| [   53.167372][  T582] ------------[ cut here ]------------
| [ 53.167754][ T582] WARNING: CPU: 2 PID: 582 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) 
| [   53.168381][  T582] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.169677][  T582] Tainted: [W]=WARN
[   53.169924][  T582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.170320][ T582] 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) 
[ 53.170663][ T582] 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
[   53.171942][  T582] RSP: 0018:ffffc9000119ef70 EFLAGS: 00010246
[   53.172528][  T582] RAX: 0000000000000000 RBX: ffff88800a852000 RCX: 0000000000000001
[   53.173190][  T582] RDX: 0000000000000000 RSI: ffffffff9ba9b941 RDI: ffffffff9b2555e0
[   53.173729][  T582] RBP: ffffc9000119f058 R08: 0000000000000000 R09: 0000000000000000
[   53.174196][  T582] R10: ffffc9000119f088 R11: ffffffff9bf79160 R12: 1ffff92000233df2
[   53.174695][  T582] R13: 00000000000005dc R14: ffffc9000119f088 R15: ffff88800a852f08
[   53.175170][  T582] FS:  00007f8c865c5800(0000) GS:ffff8880987b7000(0000) knlGS:0000000000000000
[   53.175725][  T582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.176121][  T582] CR2: 00000000004e73c0 CR3: 000000000dd3b005 CR4: 0000000000772ef0
[   53.176601][  T582] PKRU: 55555554
[   53.176846][  T582] Call Trace:
[   53.177090][  T582]  <TASK>
[ 53.177264][ T582] ? __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) 
[ 53.177669][ T582] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.178031][ T582] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.178349][ T582] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.178691][ T582] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.179009][ T582] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.179327][ T582] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.179661][ T582] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.179979][ T582] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.180294][ T582] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.180620][ T582] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.180941][ T582] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.181329][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.181664][ T582] netif_set_mtu (net/core/dev.c:9652) 
[ 53.181982][ T582] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.182318][ T582] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.182561][ T582] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.183024][ T582] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.183373][ T582] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.183702][ T582] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.184022][ T582] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.184343][ T582] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.184767][ T582] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.185084][ T582] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.185396][ T582] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.185728][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.186047][ T582] ? __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) 
[ 53.186362][ T582] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.186781][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.187112][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.187427][ T582] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.187770][ T582] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.188086][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.188403][ T582] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.188742][ T582] ? __create_object (mm/kmemleak.c:771) 
[ 53.189065][ T582] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.189383][ T582] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.189718][ T582] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.190107][ T582] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.190430][ T582] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.190773][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.191090][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.191409][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.191738][ T582] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.192051][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.192378][ T582] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.192701][ T582] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.193018][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.193336][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.193668][ T582] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.193982][ T582] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.194296][ T582] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.194695][ T582] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.195014][ T582] ? 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) 
[ 53.195332][ T582] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.195672][ T582] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.195986][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.196305][ T582] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.196633][ T582] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.196957][ T582] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.197282][ T582] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.197613][ T582] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.197930][ T582] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.198330][ T582] ___sys_sendmsg (net/socket.c:2670) 
[ 53.198669][ T582] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.198991][ T582] ? __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) 
[ 53.199385][ T582] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.199718][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.200039][ T582] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.200360][ T582] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.200687][ T582] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.201001][ T582] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.201325][ T582] __sys_sendmsg (net/socket.c:2700) 
[ 53.201650][ T582] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.202047][ T582] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.202375][ T582] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.202718][ T582] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.203037][ T582] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.203423][  T582] RIP: 0033:0x7f8c867921e7
[ 53.203766][ T582] 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)
[   53.204886][  T582] RSP: 002b:00007ffe33220d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.205357][  T582] RAX: ffffffffffffffda RBX: 00007ffe33221480 RCX: 00007f8c867921e7
[   53.205837][  T582] RDX: 0000000000000000 RSI: 00007ffe33220dc0 RDI: 0000000000000005
[   53.206312][  T582] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.206800][  T582] R10: 00007f8c8668fee8 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