======================================
| [   23.996030][  T347] br1: port 1(vx100) entered forwarding state
| [   23.997391][  T347] ------------[ cut here ]------------
| [ 23.997721][ T347] WARNING: CPU: 3 PID: 347 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.998365][  T347] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.999640][  T347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.000031][ T347] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.000358][ T347] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.001457][  T347] RSP: 0018:ffffc900004f6ef0 EFLAGS: 00010246
[   24.001853][  T347] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   24.002328][  T347] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   24.002825][  T347] RBP: ffffc900004f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.003291][  T347] R10: ffffc900004f7010 R11: ffffffff8f8a8918 R12: 1ffff9200009ede2
[   24.003760][  T347] R13: 00000000000005dc R14: ffffc900004f7010 R15: ffff888005a1af08
[   24.004224][  T347] FS:  00007f12c350b800(0000) GS:ffff8880a5837000(0000) knlGS:0000000000000000
[   24.004775][  T347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.005166][  T347] CR2: 00000000004e6890 CR3: 0000000009251006 CR4: 0000000000772ef0
[   24.005652][  T347] PKRU: 55555554
[   24.006091][  T347] Call Trace:
[   24.006326][  T347]  <TASK>
[ 24.006489][ T347] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.006816][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.007128][ T347] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.007447][ T347] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.007861][ T347] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.008175][ T347] netif_set_mtu (net/core/dev.c:9652) 
[ 24.008485][ T347] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.008825][ T347] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.009273][ T347] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.009513][ T347] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.009933][ T347] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.010289][ T347] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.010609][ T347] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.010924][ T347] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.011313][ T347] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.011634][ T347] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.011942][ T347] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.012255][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.012573][ T347] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.012879][ T347] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.013262][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.013577][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.013890][ T347] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.014195][ T347] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.014515][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.014826][ T347] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.015129][ T347] ? __create_object (mm/kmemleak.c:771) 
[ 24.015442][ T347] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.015759][ T347] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.016066][ T347] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.016452][ T347] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.016773][ T347] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.017082][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.017383][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.017701][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.018006][ T347] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.018307][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.018637][ T347] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.018951][ T347] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.019259][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.019580][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.019890][ T347] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.020196][ T347] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.020511][ T347] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.020829][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.021138][ T347] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.021445][ T347] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.021768][ T347] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.022073][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.022386][ T347] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.022702][ T347] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.023011][ T347] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.023330][ T347] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.023647][ T347] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.023953][ T347] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.024341][ T347] ___sys_sendmsg (net/socket.c:2670) 
[ 24.024649][ T347] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.024954][ T347] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.025336][ T347] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.025707][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.026256][ T347] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.026838][ T347] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.027336][ T347] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.027653][ T347] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.027971][ T347] __sys_sendmsg (net/socket.c:2700) 
[ 24.028276][ T347] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.028690][ T347] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.029013][ T347] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.029325][ T347] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.029644][ T347] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.030032][  T347] RIP: 0033:0x7f12c36d81e7
[ 24.030355][ T347] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.031463][  T347] RSP: 002b:00007ffd68548f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.031940][  T347] RAX: ffffffffffffffda RBX: 00007ffd68549660 RCX: 00007f12c36d81e7
[   24.032403][  T347] RDX: 0000000000000000 RSI: 00007ffd68548fa0 RDI: 0000000000000005
[   24.032874][  T347] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.033333][  T347] R10: 000000002477e910 R11: 0000000000000246 R12: 0000000000000004
[   24.033799][  T347] R13: 00000000686e2094 R14: 0000000000499600 R15: 0000000000000000
| [   24.269591][  T349] ------------[ cut here ]------------
| [ 24.269936][ T349] WARNING: CPU: 3 PID: 349 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.270599][  T349] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.271934][  T349] Tainted: [W]=WARN
[   24.272187][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.272607][ T349] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.272940][ T349] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.274108][  T349] RSP: 0018:ffffc90000506ef0 EFLAGS: 00010246
[   24.274527][  T349] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   24.275017][  T349] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   24.275511][  T349] RBP: ffffc90000506fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.275995][  T349] R10: ffffc90000507010 R11: ffffffff8f8a8918 R12: 1ffff920000a0de2
[   24.276478][  T349] R13: 00000000000005dc R14: ffffc90000507010 R15: ffff888005a1af08
[   24.276972][  T349] FS:  00007ffa24abc800(0000) GS:ffff8880a5837000(0000) knlGS:0000000000000000
[   24.277547][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.277960][  T349] CR2: 00000000004e5aa8 CR3: 000000000a739002 CR4: 0000000000772ef0
[   24.278442][  T349] PKRU: 55555554
[   24.278698][  T349] Call Trace:
[   24.278942][  T349]  <TASK>
[ 24.279117][ T349] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.279440][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.279781][ T349] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.280105][ T349] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.280518][ T349] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.280850][ T349] netif_set_mtu (net/core/dev.c:9652) 
[ 24.281171][ T349] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.281515][ T349] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.281963][ T349] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.282237][ T349] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.282696][ T349] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.283068][ T349] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.283397][ T349] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.283734][ T349] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.284145][ T349] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.284468][ T349] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.284796][ T349] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.285120][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.285445][ T349] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.285795][ T349] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.286195][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.286531][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.286852][ T349] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.287176][ T349] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.287504][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.287826][ T349] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.288151][ T349] ? __create_object (mm/kmemleak.c:771) 
[ 24.288477][ T349] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.288804][ T349] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.289119][ T349] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.289511][ T349] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.289825][ T349] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.290138][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.290445][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.290766][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.291079][ T349] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.291393][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.291708][ T349] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.292012][ T349] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.292330][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.292664][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.292981][ T349] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.293290][ T349] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.293606][ T349] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.293935][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.294240][ T349] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.294555][ T349] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.294868][ T349] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.295174][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.295485][ T349] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.295804][ T349] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.296118][ T349] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.296450][ T349] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.296784][ T349] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.297097][ T349] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.297489][ T349] ___sys_sendmsg (net/socket.c:2670) 
[ 24.297801][ T349] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.298106][ T349] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.298491][ T349] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.298823][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.299154][ T349] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.299720][ T349] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.300279][ T349] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.300835][ T349] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.301165][ T349] __sys_sendmsg (net/socket.c:2700) 
[ 24.301479][ T349] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.301872][ T349] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.302198][ T349] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.302517][ T349] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.302827][ T349] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.303212][  T349] RIP: 0033:0x7ffa24c891e7
[ 24.303535][ T349] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.304639][  T349] RSP: 002b:00007ffc3c96e098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.305100][  T349] RAX: ffffffffffffffda RBX: 00007ffc3c96e7c0 RCX: 00007ffa24c891e7
[   24.305571][  T349] RDX: 0000000000000000 RSI: 00007ffc3c96e100 RDI: 0000000000000005
[   24.306038][  T349] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.306506][  T349] R10: 000000000ea0e910 R11: 0000000000000246 R12: 0000000000000004
[   24.306965][  T349] R13: 00000000686e2094 R14: 0000000000499600 R15: 0000000000000000
| [   24.646618][  T352] ------------[ cut here ]------------
| [ 24.646932][ T352] WARNING: CPU: 3 PID: 352 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.647546][  T352] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.648832][  T352] Tainted: [W]=WARN
[   24.649064][  T352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.649447][ T352] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.649774][ T352] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.650885][  T352] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   24.651271][  T352] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   24.651737][  T352] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   24.652198][  T352] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.652670][  T352] R10: ffffc900005d7010 R11: ffffffff8f8a8918 R12: 1ffff920000bade2
[   24.653129][  T352] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff888005a1af08
[   24.653594][  T352] FS:  00007f63a11e9800(0000) GS:ffff8880a5837000(0000) knlGS:0000000000000000
[   24.654131][  T352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.654531][  T352] CR2: 00000000004e5ab0 CR3: 000000000ca34006 CR4: 0000000000772ef0
[   24.654993][  T352] PKRU: 55555554
[   24.655228][  T352] Call Trace:
[   24.655461][  T352]  <TASK>
[ 24.655632][ T352] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.655946][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.656355][ T352] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.656682][ T352] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.657079][ T352] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.657391][ T352] netif_set_mtu (net/core/dev.c:9652) 
[ 24.657710][ T352] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.658030][ T352] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.658468][ T352] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.658729][ T352] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.659154][ T352] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.659532][ T352] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.659850][ T352] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.660167][ T352] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.660565][ T352] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.660872][ T352] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.661176][ T352] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.661510][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.661826][ T352] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.662140][ T352] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.662534][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.663015][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.663597][ T352] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.663951][ T352] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.664266][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.664588][ T352] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.664895][ T352] ? __create_object (mm/kmemleak.c:771) 
[ 24.665205][ T352] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.665519][ T352] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.665827][ T352] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.666210][ T352] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.666547][ T352] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.666894][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.667201][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.667537][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.667847][ T352] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.668153][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.668462][ T352] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.668801][ T352] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.669110][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.669431][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.669758][ T352] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.670069][ T352] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.670382][ T352] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.670711][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.671017][ T352] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.671326][ T352] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.671654][ T352] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.671964][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.672276][ T352] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.672598][ T352] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.672907][ T352] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.673223][ T352] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.673552][ T352] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.673869][ T352] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.674278][ T352] ___sys_sendmsg (net/socket.c:2670) 
[ 24.674599][ T352] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.674907][ T352] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.675293][ T352] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.675612][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.675925][ T352] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.676244][ T352] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.676583][ T352] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.676887][ T352] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.677200][ T352] __sys_sendmsg (net/socket.c:2700) 
[ 24.677513][ T352] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.677891][ T352] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.678212][ T352] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.678533][ T352] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.678859][ T352] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.679243][  T352] RIP: 0033:0x7f63a13b61e7
[ 24.679573][ T352] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.680680][  T352] RSP: 002b:00007fff3b9307c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.681148][  T352] RAX: ffffffffffffffda RBX: 00007fff3b930ef0 RCX: 00007f63a13b61e7
[   24.681615][  T352] RDX: 0000000000000000 RSI: 00007fff3b930830 RDI: 0000000000000005
[   24.682073][  T352] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.682545][  T352] R10: 00000000091b5910 R11: 0000000000000246 R12: 0000000000000004
[   24.683011][  T352] R13: 00000000686e2095 R14: 0000000000499600 R15: 0000000000000000
| [   29.421295][  T400] ------------[ cut here ]------------
| [ 29.421855][ T400] WARNING: CPU: 3 PID: 400 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) 
| [   29.422484][  T400] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.423810][  T400] Tainted: [W]=WARN
[   29.424043][  T400] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.424451][ T400] 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) 
[ 29.424787][ T400] 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
[   29.425904][  T400] RSP: 0018:ffffc90000a26ef0 EFLAGS: 00010246
[   29.426316][  T400] RAX: 0000000000000000 RBX: ffff88800f182000 RCX: 0000000000000001
[   29.426801][  T400] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   29.427273][  T400] RBP: ffffc90000a26fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.427741][  T400] R10: ffffc90000a27010 R11: ffffffff8ef79160 R12: 1ffff92000144de2
[   29.428199][  T400] R13: 00000000000005dc R14: ffffc90000a27010 R15: ffff88800f182f08
[   29.428713][  T400] FS:  00007f86340b0800(0000) GS:ffff8880a5837000(0000) knlGS:0000000000000000
[   29.429259][  T400] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.429685][  T400] CR2: 00000000004e6898 CR3: 000000000952a004 CR4: 0000000000772ef0
[   29.430147][  T400] PKRU: 55555554
[   29.430393][  T400] Call Trace:
[   29.430640][  T400]  <TASK>
[ 29.430800][ T400] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.431118][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.431452][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.431773][ T400] netif_set_mtu (net/core/dev.c:9652) 
[ 29.432081][ T400] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.432413][ T400] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.432658][ T400] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.433085][ T400] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.433454][ T400] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.433779][ T400] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.434089][ T400] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.434492][ T400] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.434809][ T400] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.435114][ T400] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.435426][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.435785][ T400] ? __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) 
[ 29.436093][ T400] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.436486][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.436804][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.437152][ T400] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.437460][ T400] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.437802][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.438110][ T400] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.438421][ T400] ? __create_object (mm/kmemleak.c:771) 
[ 29.438770][ T400] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.439081][ T400] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.439387][ T400] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.439795][ T400] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.440113][ T400] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.440425][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.440759][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.441075][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.441381][ T400] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.441729][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.442037][ T400] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.442343][ T400] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.442674][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.442985][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.443304][ T400] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.443622][ T400] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.443948][ T400] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.444264][ T400] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.444585][ T400] ? 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) 
[ 29.444907][ T400] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.445216][ T400] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.445534][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.445860][ T400] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.446174][ T400] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.446482][ T400] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.446825][ T400] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.447142][ T400] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.447445][ T400] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.447886][ T400] ___sys_sendmsg (net/socket.c:2670) 
[ 29.448192][ T400] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.448507][ T400] ? __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) 
[ 29.448917][ T400] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.449225][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.449543][ T400] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.449867][ T400] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.450178][ T400] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.450484][ T400] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.450804][ T400] __sys_sendmsg (net/socket.c:2700) 
[ 29.451124][ T400] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.451511][ T400] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.451833][ T400] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.452153][ T400] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.452462][ T400] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.452870][  T400] RIP: 0033:0x7f863427d1e7
[ 29.453197][ T400] 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)
[   29.454327][  T400] RSP: 002b:00007fff7105a828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.454801][  T400] RAX: ffffffffffffffda RBX: 00007fff7105af50 RCX: 00007f863427d1e7
[   29.455279][  T400] RDX: 0000000000000000 RSI: 00007fff7105a890 RDI: 0000000000000005
[   29.455747][  T400] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.456218][  T400] R10: 0000000005e91910 R11: 0000000000000246 R12: 0000000000000004
[   29.456698][  T400] R13: 00000000686e209a R14: 0000000000499600 R15: 0000000000000000
| [   30.272265][  T407] ------------[ cut here ]------------
| [ 30.272776][ T407] WARNING: CPU: 2 PID: 407 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.273415][  T407] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.274751][  T407] Tainted: [W]=WARN
[   30.274997][  T407] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.275400][ T407] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.275955][ T407] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.277349][  T407] RSP: 0018:ffffc90000aa6ef0 EFLAGS: 00010246
[   30.277936][  T407] RAX: 0000000000000000 RBX: ffff88800f182000 RCX: 0000000000000001
[   30.278628][  T407] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   30.279270][  T407] RBP: ffffc90000aa6fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.279813][  T407] R10: ffffc90000aa7010 R11: ffffffff8f8a8918 R12: 1ffff92000154de2
[   30.280307][  T407] R13: 00000000000005dc R14: ffffc90000aa7010 R15: ffff88800f182f08
[   30.280939][  T407] FS:  00007f3d2b2b3800(0000) GS:ffff8880a57b7000(0000) knlGS:0000000000000000
[   30.281681][  T407] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.282130][  T407] CR2: 00000000004e6898 CR3: 000000000bd96005 CR4: 0000000000772ef0
[   30.282639][  T407] PKRU: 55555554
[   30.283068][  T407] Call Trace:
[   30.283471][  T407]  <TASK>
[ 30.283801][ T407] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.284313][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.284894][ T407] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.285465][ T407] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.286197][ T407] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.286769][ T407] netif_set_mtu (net/core/dev.c:9652) 
[ 30.287313][ T407] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.287858][ T407] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.288633][ T407] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.289070][ T407] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.289870][ T407] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.290546][ T407] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.291135][ T407] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.291738][ T407] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.292484][ T407] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.293090][ T407] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.293684][ T407] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.294276][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.294891][ T407] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.295484][ T407] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.296222][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.296825][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.297379][ T407] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.297771][ T407] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.298316][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.298915][ T407] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.299474][ T407] ? __create_object (mm/kmemleak.c:771) 
[ 30.300072][ T407] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.300634][ T407] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.301197][ T407] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.301916][ T407] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.302521][ T407] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.303072][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.303625][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.304224][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.304825][ T407] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.305405][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.305997][ T407] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.306568][ T407] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.307135][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.307727][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.308305][ T407] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.308906][ T407] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.309476][ T407] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.310017][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.310341][ T407] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.310674][ T407] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.311016][ T407] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.311337][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.311679][ T407] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.312143][ T407] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.312750][ T407] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.313169][ T407] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.313513][ T407] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.313835][ T407] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.314281][ T407] ___sys_sendmsg (net/socket.c:2670) 
[ 30.314630][ T407] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.314982][ T407] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.315405][ T407] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.315760][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.316115][ T407] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.316454][ T407] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.316809][ T407] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.317313][ T407] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.317674][ T407] __sys_sendmsg (net/socket.c:2700) 
[ 30.318027][ T407] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.318443][ T407] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.318810][ T407] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.319161][ T407] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.319484][ T407] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.319902][  T407] RIP: 0033:0x7f3d2b4801e7
[ 30.320241][ T407] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.321763][  T407] RSP: 002b:00007ffd1c2126c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.322283][  T407] RAX: ffffffffffffffda RBX: 00007ffd1c212df0 RCX: 00007f3d2b4801e7
[   30.322790][  T407] RDX: 0000000000000000 RSI: 00007ffd1c212730 RDI: 0000000000000005
[   30.323304][  T407] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.323820][  T407] R10: 000000001a3ad910 R11: 0000000000000246 R12: 0000000000000004
[   30.324334][  T407] R13: 00000000686e209a R14: 0000000000499600 R15: 0000000000000000
| [   34.778703][  T447] ------------[ cut here ]------------
| [ 34.779069][ T447] WARNING: CPU: 2 PID: 447 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) 
| [   34.780326][  T447] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   34.781698][  T447] Tainted: [W]=WARN
[   34.781947][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.782359][ T447] 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) 
[ 34.782722][ T447] 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
[   34.783910][  T447] RSP: 0018:ffffc900006e6ef0 EFLAGS: 00010246
[   34.784309][  T447] RAX: 0000000000000000 RBX: ffff88800eb02000 RCX: 0000000000000001
[   34.784806][  T447] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   34.785367][  T447] RBP: ffffc900006e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.785858][  T447] R10: ffffc900006e7010 R11: ffffffff8ef79160 R12: 1ffff920000dcde2
[   34.786332][  T447] R13: 00000000000005dc R14: ffffc900006e7010 R15: ffff88800eb02f08
[   34.786829][  T447] FS:  00007f806a53e800(0000) GS:ffff8880a57b7000(0000) knlGS:0000000000000000
[   34.787390][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.787825][  T447] CR2: 00000000004e6898 CR3: 000000000b910004 CR4: 0000000000772ef0
[   34.788297][  T447] PKRU: 55555554
[   34.788723][  T447] Call Trace:
[   34.789121][  T447]  <TASK>
[ 34.789362][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.789709][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.790041][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.790380][ T447] netif_set_mtu (net/core/dev.c:9652) 
[ 34.790726][ T447] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.791060][ T447] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.791310][ T447] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.792286][ T447] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.792706][ T447] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.793039][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.793384][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.793813][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.794140][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.794478][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.794817][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.795149][ T447] ? __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) 
[ 34.795488][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.795909][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.796245][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.796599][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.796917][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.797237][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.797585][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.797902][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 34.798225][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.798570][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.798913][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.799312][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.799683][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.800013][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.800331][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.800684][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.801003][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.801325][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.801676][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.801993][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.802313][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.802659][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.802984][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.803302][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.803679][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.804026][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.804341][ T447] ? 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) 
[ 34.804673][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.804996][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.805308][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.805648][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.805971][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.806301][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.806639][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.806967][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.807286][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.807712][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 34.808032][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.808351][ T447] ? __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) 
[ 34.808785][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.809114][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.809442][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.809789][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.810113][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.810434][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.810789][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 34.811122][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.811546][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.811885][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.812206][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.812698][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.813352][  T447] RIP: 0033:0x7f806a70b1e7
[ 34.813925][ T447] 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)
[   34.815975][  T447] RSP: 002b:00007fff862a7178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.816861][  T447] RAX: ffffffffffffffda RBX: 00007fff862a78a0 RCX: 00007f806a70b1e7
[   34.817727][  T447] RDX: 0000000000000000 RSI: 00007fff862a71e0 RDI: 0000000000000005
[   34.818589][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.819423][  T447] R10: 000000002fe85910 R11: 0000000000000246 R12: 0000000000000004
[   34.820277][  T447] R13: 00000000686e209f R14: 0000000000499600 R15: 0000000000000000
| [   35.638362][  T454] ------------[ cut here ]------------
| [ 35.638756][ T454] WARNING: CPU: 2 PID: 454 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.639375][  T454] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.641721][  T454] Tainted: [W]=WARN
[   35.642147][  T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.642852][ T454] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.643431][ T454] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.645466][  T454] RSP: 0018:ffffc90000ce6ef0 EFLAGS: 00010246
[   35.646203][  T454] RAX: 0000000000000000 RBX: ffff88800eb02000 RCX: 0000000000000001
[   35.647074][  T454] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   35.647935][  T454] RBP: ffffc90000ce6fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.648793][  T454] R10: ffffc90000ce7010 R11: ffffffff8ef79160 R12: 1ffff9200019cde2
[   35.649404][  T454] R13: 00000000000005dc R14: ffffc90000ce7010 R15: ffff88800eb02f08
[   35.649912][  T454] FS:  00007fa61a74f800(0000) GS:ffff8880a57b7000(0000) knlGS:0000000000000000
[   35.650484][  T454] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.650909][  T454] CR2: 00000000004e6898 CR3: 000000000bd22005 CR4: 0000000000772ef0
[   35.651414][  T454] PKRU: 55555554
[   35.651756][  T454] Call Trace:
[   35.652000][  T454]  <TASK>
[ 35.652176][ T454] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.652531][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.652863][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.653181][ T454] netif_set_mtu (net/core/dev.c:9652) 
[ 35.653553][ T454] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.653887][ T454] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.654135][ T454] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.654604][ T454] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.654973][ T454] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.655299][ T454] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.655651][ T454] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.656065][ T454] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.656397][ T454] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.656728][ T454] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.657054][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.657390][ T454] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.657737][ T454] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.658133][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.658474][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.658820][ T454] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.659143][ T454] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.659481][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.659823][ T454] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.660141][ T454] ? __create_object (mm/kmemleak.c:771) 
[ 35.660486][ T454] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.660834][ T454] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.661171][ T454] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.661608][ T454] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.661939][ T454] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.662266][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.662614][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.662949][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.663265][ T454] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.663669][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.663993][ T454] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.664309][ T454] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.664657][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.664977][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.665296][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.665654][ T454] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.665977][ T454] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.666318][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.666659][ T454] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.666981][ T454] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.667298][ T454] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.667648][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.667973][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.668294][ T454] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.668659][ T454] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.668990][ T454] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.669312][ T454] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.669670][ T454] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.670074][ T454] ___sys_sendmsg (net/socket.c:2670) 
[ 35.670398][ T454] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.670732][ T454] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.671135][ T454] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.671468][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.671810][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.672137][ T454] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.672468][ T454] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.672800][ T454] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.673127][ T454] __sys_sendmsg (net/socket.c:2700) 
[ 35.673462][ T454] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.673880][ T454] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.674215][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.674561][ T454] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.674881][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.675272][  T454] RIP: 0033:0x7fa61a91c1e7
[ 35.675627][ T454] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.676762][  T454] RSP: 002b:00007ffcd93b8ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.677236][  T454] RAX: ffffffffffffffda RBX: 00007ffcd93b95d0 RCX: 00007fa61a91c1e7
[   35.677749][  T454] RDX: 0000000000000000 RSI: 00007ffcd93b8f10 RDI: 0000000000000005
[   35.678233][  T454] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.678742][  T454] R10: 0000000010e6b910 R11: 0000000000000246 R12: 0000000000000004
[   35.679216][  T454] R13: 00000000686e20a0 R14: 0000000000499600 R15: 0000000000000000
| [   53.925420][  T577] ------------[ cut here ]------------
| [ 53.926150][ T577] WARNING: CPU: 2 PID: 577 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) 
| [   53.926792][  T577] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   53.928122][  T577] Tainted: [W]=WARN
[   53.928368][  T577] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 53.928793][ T577] 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) 
[ 53.929123][ T577] 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
[   53.930265][  T577] RSP: 0018:ffffc90001146f70 EFLAGS: 00010246
[   53.930683][  T577] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   53.931161][  T577] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   53.931648][  T577] RBP: ffffc90001147058 R08: 0000000000000000 R09: 0000000000000000
[   53.932137][  T577] R10: ffffc90001147088 R11: ffffffff8ae00130 R12: 1ffff92000228df2
[   53.932632][  T577] R13: 00000000000005dc R14: ffffc90001147088 R15: ffff888005a1af08
[   53.933122][  T577] FS:  00007f89a404c800(0000) GS:ffff8880a57b7000(0000) knlGS:0000000000000000
[   53.933691][  T577] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.934100][  T577] CR2: 00000000004e5ab0 CR3: 000000000c041006 CR4: 0000000000772ef0
[   53.934583][  T577] PKRU: 55555554
[   53.934824][  T577] Call Trace:
[   53.935070][  T577]  <TASK>
[ 53.935246][ T577] ? __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) 
[ 53.935678][ T577] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 53.936039][ T577] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.936361][ T577] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.936694][ T577] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 53.937011][ T577] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.937330][ T577] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.937653][ T577] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.937972][ T577] ? ___sys_sendmsg (net/socket.c:2670) 
[ 53.938288][ T577] ? __sys_sendmsg (net/socket.c:2700) 
[ 53.938610][ T577] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.938940][ T577] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 53.939339][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.939679][ T577] netif_set_mtu (net/core/dev.c:9652) 
[ 53.939999][ T577] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 53.940331][ T577] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 53.940587][ T577] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 53.941020][ T577] br_del_if (net/bridge/br_if.c:743) bridge 
[ 53.941372][ T577] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 53.941706][ T577] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 53.942031][ T577] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 53.942359][ T577] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 53.942770][ T577] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 53.943090][ T577] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 53.943414][ T577] ? __kernel_text_address (kernel/extable.c:79) 
[ 53.943744][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.944073][ T577] ? __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) 
[ 53.944391][ T577] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 53.944792][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.945111][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.945432][ T577] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 53.945781][ T577] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 53.946100][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.946429][ T577] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 53.946756][ T577] ? __create_object (mm/kmemleak.c:771) 
[ 53.947080][ T577] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 53.947402][ T577] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 53.947730][ T577] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 53.948124][ T577] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 53.948455][ T577] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 53.948797][ T577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.949124][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.949450][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.949782][ T577] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 53.950100][ T577] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.950424][ T577] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 53.950751][ T577] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 53.951074][ T577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.951404][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.951758][ T577] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 53.952079][ T577] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 53.952401][ T577] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 53.952740][ T577] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 53.953056][ T577] ? 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) 
[ 53.953377][ T577] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 53.953710][ T577] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 53.954035][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.954362][ T577] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 53.954697][ T577] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 53.955016][ T577] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 53.955350][ T577] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 53.955685][ T577] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 53.956003][ T577] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 53.956423][ T577] ___sys_sendmsg (net/socket.c:2670) 
[ 53.956752][ T577] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 53.957074][ T577] ? __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) 
[ 53.957471][ T577] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 53.957803][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.958122][ T577] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 53.958458][ T577] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 53.958810][ T577] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 53.959132][ T577] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 53.959470][ T577] __sys_sendmsg (net/socket.c:2700) 
[ 53.959825][ T577] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 53.960226][ T577] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 53.960572][ T577] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 53.960891][ T577] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 53.961216][ T577] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   53.961622][  T577] RIP: 0033:0x7f89a42191e7
[ 53.961952][ T577] 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)
[   53.963057][  T577] RSP: 002b:00007ffd97f6ba98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   53.963550][  T577] RAX: ffffffffffffffda RBX: 00007ffd97f6c1c0 RCX: 00007f89a42191e7
[   53.964022][  T577] RDX: 0000000000000000 RSI: 00007ffd97f6bb00 RDI: 0000000000000005
[   53.964489][  T577] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   53.964966][  T577] R10: 00007f89a4116ee8 R11: 0000000000000246 R12: 0000000000000003
[   53.965441][  T577] R13: 00000000686e20b2 R14: 0000000000499600 R15: 0000000000000000
| [   54.319108][  T580] ------------[ cut here ]------------
| [ 54.319454][ T580] WARNING: CPU: 0 PID: 580 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   54.320966][  T580] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.322232][  T580] Tainted: [W]=WARN
[   54.322469][  T580] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.322890][ T580] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 54.323208][ T580] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   54.324293][  T580] RSP: 0018:ffffc90001166f70 EFLAGS: 00010246
[   54.324688][  T580] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   54.325145][  T580] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   54.325605][  T580] RBP: ffffc90001167058 R08: 0000000000000000 R09: 0000000000000000
[   54.326061][  T580] R10: ffffc90001167088 R11: ffffffff8ef79160 R12: 1ffff9200022cdf2
[   54.326541][  T580] R13: 00000000000005dc R14: ffffc90001167088 R15: ffff888005a1af08
[   54.327015][  T580] FS:  00007f26ff729800(0000) GS:ffff8880a56b7000(0000) knlGS:0000000000000000
[   54.327574][  T580] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.327959][  T580] CR2: 00000000004e5aa8 CR3: 000000000b981002 CR4: 0000000000772ef0
[   54.328420][  T580] PKRU: 55555554
[   54.328664][  T580] Call Trace:
[   54.328908][  T580]  <TASK>
[ 54.329062][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.329452][ T580] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.329812][ T580] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.330119][ T580] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.330423][ T580] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.330756][ T580] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.331078][ T580] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.331378][ T580] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.331692][ T580] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.331997][ T580] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.332299][ T580] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.332609][ T580] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.332987][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.333305][ T580] netif_set_mtu (net/core/dev.c:9652) 
[ 54.333625][ T580] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.333944][ T580] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.334177][ T580] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.334621][ T580] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.334962][ T580] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.335267][ T580] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.335586][ T580] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.335893][ T580] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.336283][ T580] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.336598][ T580] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.336905][ T580] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.337211][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.337531][ T580] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 54.337834][ T580] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.338216][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.338543][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.338865][ T580] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.339169][ T580] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.339478][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.339793][ T580] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.340097][ T580] ? __create_object (mm/kmemleak.c:771) 
[ 54.340405][ T580] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.340726][ T580] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.341030][ T580] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.341444][ T580] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.341767][ T580] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.342076][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.342377][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.342707][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.343013][ T580] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.343347][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.343672][ T580] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.343977][ T580] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.344283][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.344598][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.344908][ T580] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.345216][ T580] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.345536][ T580] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.345854][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.346157][ T580] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 54.346462][ T580] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.346794][ T580] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.347106][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.347414][ T580] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.347739][ T580] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.348046][ T580] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.348361][ T580] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.348688][ T580] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.348997][ T580] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.349382][ T580] ___sys_sendmsg (net/socket.c:2670) 
[ 54.349700][ T580] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.350014][ T580] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 54.350404][ T580] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.350733][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.351045][ T580] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.351353][ T580] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.351666][ T580] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 54.351972][ T580] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.352284][ T580] __sys_sendmsg (net/socket.c:2700) 
[ 54.352602][ T580] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.352981][ T580] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.353297][ T580] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.353609][ T580] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.353918][ T580] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.354297][  T580] RIP: 0033:0x7f26ff8f61e7
[ 54.354634][ T580] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   54.355734][  T580] RSP: 002b:00007fff83649128 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.356195][  T580] RAX: ffffffffffffffda RBX: 00007fff83649850 RCX: 00007f26ff8f61e7
[   54.356664][  T580] RDX: 0000000000000000 RSI: 00007fff83649190 RDI: 0000000000000005
[   54.357128][  T580] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.357590][  T580] R10: 00007f26ff7f3ee8 R11: 0000000000000246 R12: 0000000000000003
[   54.358047][  T580] R13: 00000000686e20b2 R14: 0000000000499600 R15: 0000000000000000
| [   54.468580][  T581] ------------[ cut here ]------------
| [ 54.468929][ 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) 
| [   54.469549][  T581] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   54.471392][  T581] Tainted: [W]=WARN
[   54.471636][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 54.472021][ 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) 
[ 54.472334][ 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
[   54.473450][  T581] RSP: 0018:ffffc90001166f70 EFLAGS: 00010246
[   54.473873][  T581] RAX: 0000000000000000 RBX: ffff888005a1a000 RCX: 0000000000000001
[   54.474336][  T581] RDX: 0000000000000000 RSI: ffffffff8ea9b941 RDI: ffffffff8e2555e0
[   54.474806][  T581] RBP: ffffc90001167058 R08: 0000000000000000 R09: 0000000000000000
[   54.475272][  T581] R10: ffffc90001167088 R11: ffffffff8ef79160 R12: 1ffff9200022cdf2
[   54.475741][  T581] R13: 00000000000005dc R14: ffffc90001167088 R15: ffff888005a1af08
[   54.476196][  T581] FS:  00007ff80cd9c800(0000) GS:ffff8880a5837000(0000) knlGS:0000000000000000
[   54.476745][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.477140][  T581] CR2: 00000000004e73c0 CR3: 0000000009256003 CR4: 0000000000772ef0
[   54.477619][  T581] PKRU: 55555554
[   54.477851][  T581] Call Trace:
[   54.478081][  T581]  <TASK>
[ 54.478237][ 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) 
[ 54.478631][ T581] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 54.479001][ T581] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.479314][ T581] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.479633][ T581] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 54.479938][ T581] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.480246][ T581] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.480558][ T581] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.480864][ T581] ? ___sys_sendmsg (net/socket.c:2670) 
[ 54.481168][ T581] ? __sys_sendmsg (net/socket.c:2700) 
[ 54.481475][ T581] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.481810][ T581] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 54.482195][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.482523][ T581] netif_set_mtu (net/core/dev.c:9652) 
[ 54.482828][ T581] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 54.483148][ T581] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 54.483381][ T581] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 54.483965][ T581] br_del_if (net/bridge/br_if.c:743) bridge 
[ 54.484322][ T581] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 54.484643][ T581] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 54.484953][ T581] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 54.485264][ T581] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 54.485675][ T581] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 54.485981][ T581] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 54.486288][ T581] ? __kernel_text_address (kernel/extable.c:79) 
[ 54.486614][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.486924][ 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) 
[ 54.487229][ T581] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 54.487621][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.487928][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.488230][ T581] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 54.488540][ T581] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 54.488867][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.489170][ T581] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 54.489469][ T581] ? __create_object (mm/kmemleak.c:771) 
[ 54.489800][ T581] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 54.490111][ T581] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 54.490415][ T581] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 54.490823][ T581] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 54.491133][ T581] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 54.491445][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.491757][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.492071][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.492374][ T581] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 54.492683][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.492990][ T581] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 54.493293][ T581] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 54.493618][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.493973][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.494289][ T581] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 54.494604][ T581] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 54.494908][ T581] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 54.495225][ T581] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 54.495536][ 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) 
[ 54.495839][ T581] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 54.496155][ T581] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 54.496457][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.496779][ T581] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 54.497088][ T581] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 54.497393][ T581] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 54.497725][ T581] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 54.498041][ T581] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 54.498353][ T581] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 54.498760][ T581] ___sys_sendmsg (net/socket.c:2670) 
[ 54.499064][ T581] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 54.499372][ 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) 
[ 54.499760][ T581] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 54.500071][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.500378][ T581] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 54.500701][ T581] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 54.501005][ 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) 
[ 54.501310][ T581] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 54.501639][ T581] __sys_sendmsg (net/socket.c:2700) 
[ 54.501946][ T581] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 54.502326][ T581] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 54.502649][ T581] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 54.502967][ T581] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 54.503273][ T581] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   54.503655][  T581] RIP: 0033:0x7ff80cf691e7
[ 54.503971][ 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)
[   54.505062][  T581] RSP: 002b:00007ffd8a2e6ca8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   54.505538][  T581] RAX: ffffffffffffffda RBX: 00007ffd8a2e73d0 RCX: 00007ff80cf691e7
[   54.506047][  T581] RDX: 0000000000000000 RSI: 00007ffd8a2e6d10 RDI: 0000000000000005
[   54.506516][  T581] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   54.506970][  T581] R10: 00007ff80ce66ee8 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