======================================
| [   23.122757][  T346] br1: port 1(vx10) entered forwarding state
| [   23.124055][  T346] ------------[ cut here ]------------
| [ 23.124377][ T346] WARNING: CPU: 0 PID: 346 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.125203][  T346] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[   23.126524][  T346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.126929][ T346] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.127251][ T346] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.128365][  T346] RSP: 0018:ffffc90000576ef0 EFLAGS: 00010246
[   23.128931][  T346] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[   23.129410][  T346] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   23.130019][  T346] RBP: ffffc90000576fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.130483][  T346] R10: ffffc90000577010 R11: ffffffffb78a8918 R12: 1ffff920000aede2
[   23.131105][  T346] R13: 00000000000005dc R14: ffffc90000577010 R15: ffff88800ff0af08
[   23.131693][  T346] FS:  00007f3d870aa800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[   23.132230][  T346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.132629][  T346] CR2: 00000000004e5ce0 CR3: 0000000009526002 CR4: 0000000000772ef0
[   23.133097][  T346] PKRU: 55555554
[   23.133334][  T346] Call Trace:
[   23.133599][  T346]  <TASK>
[ 23.133764][ T346] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.134079][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.134405][ T346] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.134725][ T346] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.135114][ T346] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.135425][ T346] netif_set_mtu (net/core/dev.c:9652) 
[ 23.135748][ T346] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.136078][ T346] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.136521][ T346] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.136759][ T346] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.137398][ T346] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.137767][ T346] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.138090][ T346] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.138405][ T346] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.138813][ T346] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.139120][ T346] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.139442][ T346] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.139772][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.140087][ T346] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.140397][ T346] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.140795][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.141112][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.141419][ T346] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.141740][ T346] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.142047][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.142359][ T346] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.142677][ T346] ? __create_object (mm/kmemleak.c:771) 
[ 23.142992][ T346] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.143301][ T346] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.143631][ T346] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.144017][ T346] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.144330][ T346] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.144657][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.144965][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.145280][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.145599][ T346] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.145912][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.146221][ T346] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.146539][ T346] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.146848][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.147157][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.147472][ T346] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.147797][ T346] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.148105][ T346] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.148430][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.148744][ T346] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.149054][ T346] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.149372][ T346] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.149694][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.150014][ T346] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.150326][ T346] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.150651][ T346] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.150974][ T346] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.151292][ T346] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.151610][ T346] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.152005][ T346] ___sys_sendmsg (net/socket.c:2670) 
[ 23.152309][ T346] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.152625][ T346] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.153014][ T346] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.153325][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.153645][ T346] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.153958][ T346] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.154265][ T346] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.154583][ T346] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.154899][ T346] __sys_sendmsg (net/socket.c:2700) 
[ 23.155210][ T346] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.155603][ T346] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.155923][ T346] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.156234][ T346] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.156553][ T346] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.156936][  T346] RIP: 0033:0x7f3d872771e7
[ 23.157262][ T346] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.158374][  T346] RSP: 002b:00007ffeb35a8e58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.158852][  T346] RAX: ffffffffffffffda RBX: 00007ffeb35a9580 RCX: 00007f3d872771e7
[   23.159369][  T346] RDX: 0000000000000000 RSI: 00007ffeb35a8ec0 RDI: 0000000000000005
[   23.159856][  T346] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.160324][  T346] R10: 000000002249f910 R11: 0000000000000246 R12: 0000000000000004
[   23.160799][  T346] R13: 00000000686e41ad R14: 0000000000499600 R15: 0000000000000000
| [   23.691087][  T351] ------------[ cut here ]------------
| [ 23.691404][ T351] WARNING: CPU: 3 PID: 351 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.692414][  T351] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.693712][  T351] Tainted: [W]=WARN
[   23.693962][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.694347][ T351] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.694672][ T351] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.695782][  T351] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   23.696180][  T351] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[   23.696652][  T351] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   23.697114][  T351] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.697591][  T351] R10: ffffc90000587010 R11: ffffffffb78a8918 R12: 1ffff920000b0de2
[   23.698061][  T351] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800ff0af08
[   23.698538][  T351] FS:  00007f64673b3800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[   23.699079][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.699478][  T351] CR2: 00000000004e5de8 CR3: 0000000004dd1005 CR4: 0000000000772ef0
[   23.699953][  T351] PKRU: 55555554
[   23.700186][  T351] Call Trace:
[   23.700424][  T351]  <TASK>
[ 23.700595][ T351] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.700906][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.701227][ T351] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.701545][ T351] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.701934][ T351] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.702251][ T351] netif_set_mtu (net/core/dev.c:9652) 
[ 23.702574][ T351] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.702897][ T351] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.703334][ T351] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.703576][ T351] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.704005][ T351] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.704364][ T351] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.704692][ T351] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.705007][ T351] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.705395][ T351] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.705718][ T351] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.706033][ T351] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.706345][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.706666][ T351] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.706978][ T351] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.707357][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.707673][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.707978][ T351] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.708285][ T351] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.708597][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.708906][ T351] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.709212][ T351] ? __create_object (mm/kmemleak.c:771) 
[ 23.709542][ T351] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.709848][ T351] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.710155][ T351] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.710544][ T351] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.710857][ T351] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.711172][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.711485][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.711810][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.712125][ T351] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.712430][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.712748][ T351] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.713062][ T351] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.713371][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.713963][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.714278][ T351] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.714596][ T351] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.714903][ T351] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.715222][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.715534][ T351] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.715846][ T351] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.716158][ T351] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.716469][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.716792][ T351] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.717327][ T351] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.717649][ T351] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.717967][ T351] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.718281][ T351] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.718595][ T351] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.718987][ T351] ___sys_sendmsg (net/socket.c:2670) 
[ 23.719306][ T351] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.719621][ T351] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.720007][ T351] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.720766][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.721528][ T351] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.722065][ T351] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.722376][ T351] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.722696][ T351] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.723237][ T351] __sys_sendmsg (net/socket.c:2700) 
[ 23.723549][ T351] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.724158][ T351] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.724478][ T351] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.724794][ T351] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.725107][ T351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.725723][  T351] RIP: 0033:0x7f64675801e7
[ 23.726040][ T351] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.727423][  T351] RSP: 002b:00007ffc79164ba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.727922][  T351] RAX: ffffffffffffffda RBX: 00007ffc791652d0 RCX: 00007f64675801e7
[   23.728647][  T351] RDX: 0000000000000000 RSI: 00007ffc79164c10 RDI: 0000000000000005
[   23.729158][  T351] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.729665][  T351] R10: 000000003aa88910 R11: 0000000000000246 R12: 0000000000000004
[   23.730384][  T351] R13: 00000000686e41ae R14: 0000000000499600 R15: 0000000000000000
| [   23.959308][  T353] ------------[ cut here ]------------
| [ 23.959632][ T353] WARNING: CPU: 3 PID: 353 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.960232][  T353] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   23.961721][  T353] Tainted: [W]=WARN
[   23.961956][  T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.962339][ T353] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.962666][ T353] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.963771][  T353] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246
[   23.964165][  T353] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[   23.964634][  T353] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   23.965093][  T353] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.965565][  T353] R10: ffffc90000647010 R11: ffffffffb78a8918 R12: 1ffff920000c8de2
[   23.966113][  T353] R13: 00000000000005dc R14: ffffc90000647010 R15: ffff88800ff0af08
[   23.966590][  T353] FS:  00007f2cc18b6800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[   23.967129][  T353] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.967525][  T353] CR2: 00000000004e5aa8 CR3: 000000000db78002 CR4: 0000000000772ef0
[   23.967985][  T353] PKRU: 55555554
[   23.968215][  T353] Call Trace:
[   23.968444][  T353]  <TASK>
[ 23.968611][ T353] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.968920][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.969240][ T353] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.969558][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.969948][ T353] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.970259][ T353] netif_set_mtu (net/core/dev.c:9652) 
[ 23.970575][ T353] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.970893][ T353] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.971327][ T353] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.971574][ T353] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.972000][ T353] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.972358][ T353] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.972682][ T353] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.972994][ T353] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.973385][ T353] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.973699][ T353] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.974001][ T353] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.974315][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.974632][ T353] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.974938][ T353] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.975319][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.975637][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.975943][ T353] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.976247][ T353] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.976565][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.976875][ T353] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.977176][ T353] ? __create_object (mm/kmemleak.c:771) 
[ 23.977484][ T353] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.977802][ T353] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.978133][ T353] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.978523][ T353] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.978839][ T353] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.979153][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.979469][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.979792][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.980100][ T353] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.980407][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.980745][ T353] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.981055][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.981361][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.981691][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.982007][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.982332][ T353] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.982663][ T353] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.982995][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.983314][ T353] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.983642][ T353] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.983974][ T353] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.984295][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.984629][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.984951][ T353] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.985271][ T353] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.985605][ T353] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.985926][ T353] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.986248][ T353] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.986671][ T353] ___sys_sendmsg (net/socket.c:2670) 
[ 23.986988][ T353] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.987309][ T353] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.987717][ T353] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.988040][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.988365][ T353] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.988705][ T353] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.989030][ T353] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.989357][ T353] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.989696][ T353] __sys_sendmsg (net/socket.c:2700) 
[ 23.990016][ T353] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.990441][ T353] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.990778][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.991095][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.991412][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.991818][  T353] RIP: 0033:0x7f2cc1a831e7
[ 23.992141][ T353] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.993316][  T353] RSP: 002b:00007ffc18e81338 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.993813][  T353] RAX: ffffffffffffffda RBX: 00007ffc18e81a60 RCX: 00007f2cc1a831e7
[   23.994314][  T353] RDX: 0000000000000000 RSI: 00007ffc18e813a0 RDI: 0000000000000005
[   23.994808][  T353] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.995292][  T353] R10: 0000000016f20910 R11: 0000000000000246 R12: 0000000000000004
[   23.995777][  T353] R13: 00000000686e41ae R14: 0000000000499600 R15: 0000000000000000
| [   24.437005][  T357] ------------[ cut here ]------------
| [ 24.437311][ T357] WARNING: CPU: 3 PID: 357 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) 
| [   24.437939][  T357] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   24.439200][  T357] Tainted: [W]=WARN
[   24.439442][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.439841][ T357] 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) 
[ 24.440155][ T357] 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
[   24.441253][  T357] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[   24.441652][  T357] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[   24.442113][  T357] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   24.442832][  T357] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.443290][  T357] R10: ffffc90000687010 R11: ffffffffb78a8918 R12: 1ffff920000d0de2
[   24.443890][  T357] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800ff0af08
[   24.444351][  T357] FS:  00007f5b729ff800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[   24.445134][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.445666][  T357] CR2: 00000000004e5ab0 CR3: 0000000008d89002 CR4: 0000000000772ef0
[   24.446128][  T357] PKRU: 55555554
[   24.446356][  T357] Call Trace:
[   24.446616][  T357]  <TASK>
[ 24.446776][ T357] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.447083][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.447394][ T357] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.447712][ T357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.448098][ T357] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.448404][ T357] netif_set_mtu (net/core/dev.c:9652) 
[ 24.448741][ T357] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.449059][ T357] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.449499][ T357] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.449739][ T357] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.450155][ T357] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.450504][ T357] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.450832][ T357] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.451142][ T357] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.451536][ T357] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.451840][ T357] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.452140][ T357] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.452445][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.452762][ T357] ? __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) 
[ 24.453078][ T357] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.453457][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.453773][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.454077][ T357] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.454381][ T357] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.454691][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.455006][ T357] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.455308][ T357] ? __create_object (mm/kmemleak.c:771) 
[ 24.455623][ T357] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.455941][ T357] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.456242][ T357] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.456625][ T357] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.456946][ T357] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.457253][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.457574][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.457884][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.458194][ T357] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.458494][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.458809][ T357] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.459122][ T357] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.459433][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.459750][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.460058][ T357] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.460361][ T357] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.460680][ T357] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.461006][ T357] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.461308][ T357] ? 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) 
[ 24.461619][ T357] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.461925][ T357] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.462227][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.462544][ T357] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.462856][ T357] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.463170][ T357] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.463483][ T357] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.463800][ T357] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.464107][ T357] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.464495][ T357] ___sys_sendmsg (net/socket.c:2670) 
[ 24.464803][ T357] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.465125][ T357] ? __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) 
[ 24.465502][ T357] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.465817][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.466122][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.466429][ T357] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.466741][ T357] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.467055][ T357] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.467374][ T357] __sys_sendmsg (net/socket.c:2700) 
[ 24.467702][ T357] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.468078][ T357] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.468393][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.468706][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.469022][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.469412][  T357] RIP: 0033:0x7f5b72bcc1e7
[ 24.469739][ T357] 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)
[   24.470824][  T357] RSP: 002b:00007ffe99670908 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.471296][  T357] RAX: ffffffffffffffda RBX: 00007ffe99671030 RCX: 00007f5b72bcc1e7
[   24.471768][  T357] RDX: 0000000000000000 RSI: 00007ffe99670970 RDI: 0000000000000005
[   24.472221][  T357] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.472682][  T357] R10: 0000000020c89910 R11: 0000000000000246 R12: 0000000000000004
[   24.473145][  T357] R13: 00000000686e41af R14: 0000000000499600 R15: 0000000000000000
| [   29.312087][  T408] ------------[ cut here ]------------
| [ 29.312413][ T408] WARNING: CPU: 0 PID: 408 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) 
| [   29.313044][  T408] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   29.314331][  T408] Tainted: [W]=WARN
[   29.314582][  T408] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.314984][ T408] 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) 
[ 29.315312][ T408] 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
[   29.316441][  T408] RSP: 0018:ffffc900009beef0 EFLAGS: 00010246
[   29.316843][  T408] RAX: 0000000000000000 RBX: ffff88800f122000 RCX: 0000000000000001
[   29.317306][  T408] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   29.317779][  T408] RBP: ffffc900009befe0 R08: 0000000000000000 R09: 0000000000000000
[   29.318244][  T408] R10: ffffc900009bf010 R11: ffffffffb6f79160 R12: 1ffff92000137de2
[   29.318715][  T408] R13: 00000000000005dc R14: ffffc900009bf010 R15: ffff88800f122f08
[   29.319180][  T408] FS:  00007f63112ca800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[   29.319755][  T408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.320146][  T408] CR2: 00000000004e6898 CR3: 000000000da91002 CR4: 0000000000772ef0
[   29.320623][  T408] PKRU: 55555554
[   29.320857][  T408] Call Trace:
[   29.321088][  T408]  <TASK>
[ 29.321249][ T408] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.321590][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.321916][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.322235][ T408] netif_set_mtu (net/core/dev.c:9652) 
[ 29.322560][ T408] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.322893][ T408] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.323133][ T408] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.323579][ T408] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.323936][ T408] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.324250][ T408] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.324576][ T408] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.324971][ T408] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.325277][ T408] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.325602][ T408] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.325916][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.326226][ T408] ? __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) 
[ 29.326547][ T408] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.326932][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.327244][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.327564][ T408] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.327876][ T408] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.328188][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.328501][ T408] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.328822][ T408] ? __create_object (mm/kmemleak.c:771) 
[ 29.329143][ T408] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.329465][ T408] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.329801][ T408] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.330194][ T408] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.330525][ T408] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.330844][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.331157][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.331489][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.331814][ T408] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.332121][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.332455][ T408] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.332777][ T408] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.333094][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.333409][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.333734][ T408] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.334051][ T408] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.334368][ T408] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.334707][ T408] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.335015][ T408] ? 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) 
[ 29.335326][ T408] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.335657][ T408] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.335968][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.336280][ T408] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.336624][ T408] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.336942][ T408] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.337264][ T408] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.337594][ T408] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.337905][ T408] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.338302][ T408] ___sys_sendmsg (net/socket.c:2670) 
[ 29.338624][ T408] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.338935][ T408] ? __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) 
[ 29.339346][ T408] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.339673][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.339993][ T408] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.340312][ T408] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.340638][ T408] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.340950][ T408] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.341268][ T408] __sys_sendmsg (net/socket.c:2700) 
[ 29.341588][ T408] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.341993][ T408] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.342315][ T408] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.342642][ T408] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.342958][ T408] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.343347][  T408] RIP: 0033:0x7f63114971e7
[ 29.343681][ T408] 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)
[   29.345015][  T408] RSP: 002b:00007ffda99bfa98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.345859][  T408] RAX: ffffffffffffffda RBX: 00007ffda99c01c0 RCX: 00007f63114971e7
[   29.346619][  T408] RDX: 0000000000000000 RSI: 00007ffda99bfb00 RDI: 0000000000000005
[   29.347423][  T408] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.348222][  T408] R10: 0000000009814910 R11: 0000000000000246 R12: 0000000000000004
[   29.349036][  T408] R13: 00000000686e41b3 R14: 0000000000499600 R15: 0000000000000000
| [   30.280242][  T416] ------------[ cut here ]------------
| [ 30.280624][ T416] WARNING: CPU: 2 PID: 416 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) 
| [   30.281270][  T416] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   30.282632][  T416] Tainted: [W]=WARN
[   30.282890][  T416] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.283302][ T416] 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) 
[ 30.283673][ T416] 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
[   30.284834][  T416] RSP: 0018:ffffc90000b16ef0 EFLAGS: 00010246
[   30.285251][  T416] RAX: 0000000000000000 RBX: ffff88800f122000 RCX: 0000000000000001
[   30.285754][  T416] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   30.286247][  T416] RBP: ffffc90000b16fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.286756][  T416] R10: ffffc90000b17010 R11: ffffffffb6f79160 R12: 1ffff92000162de2
[   30.287249][  T416] R13: 00000000000005dc R14: ffffc90000b17010 R15: ffff88800f122f08
[   30.287770][  T416] FS:  00007fba61453800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[   30.288348][  T416] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.288777][  T416] CR2: 00000000004e5ce0 CR3: 000000000bb5c001 CR4: 0000000000772ef0
[   30.289280][  T416] PKRU: 55555554
[   30.289544][  T416] Call Trace:
[   30.289799][  T416]  <TASK>
[ 30.289981][ T416] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.290318][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.290676][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.291018][ T416] netif_set_mtu (net/core/dev.c:9652) 
[ 30.291356][ T416] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.291716][ T416] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.291976][ T416] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.292440][ T416] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.292829][ T416] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.293168][ T416] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.293505][ T416] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.293935][ T416] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.294269][ T416] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.294628][ T416] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.294967][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.295300][ T416] ? __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) 
[ 30.295645][ T416] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.296062][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.296397][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.296741][ T416] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.297080][ T416] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.297419][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.297768][ T416] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.298100][ T416] ? __create_object (mm/kmemleak.c:771) 
[ 30.298442][ T416] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.298794][ T416] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.299126][ T416] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.299565][ T416] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.299909][ T416] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.300245][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.300586][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.300925][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.301257][ T416] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.301599][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.301934][ T416] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.302264][ T416] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.302604][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.302940][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.303275][ T416] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.303620][ T416] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.303963][ T416] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.304309][ T416] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.304651][ T416] ? 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) 
[ 30.304987][ T416] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.305320][ T416] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.305663][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.305997][ T416] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.306333][ T416] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.306672][ T416] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.307016][ T416] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.307355][ T416] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.307700][ T416] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.308125][ T416] ___sys_sendmsg (net/socket.c:2670) 
[ 30.308454][ T416] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.308803][ T416] ? __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) 
[ 30.309221][ T416] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.309579][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.309911][ T416] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.310250][ T416] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.310594][ T416] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.310928][ T416] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.311274][ T416] __sys_sendmsg (net/socket.c:2700) 
[ 30.311625][ T416] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.312045][ T416] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.312392][ T416] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.312742][ T416] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.313077][ T416] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.313485][  T416] RIP: 0033:0x7fba616201e7
[ 30.313846][ T416] 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)
[   30.315012][  T416] RSP: 002b:00007ffd7b0f7458 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.315506][  T416] RAX: ffffffffffffffda RBX: 00007ffd7b0f7b80 RCX: 00007fba616201e7
[   30.316008][  T416] RDX: 0000000000000000 RSI: 00007ffd7b0f74c0 RDI: 0000000000000005
[   30.316517][  T416] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.317006][  T416] R10: 000000000d69f910 R11: 0000000000000246 R12: 0000000000000004
[   30.317496][  T416] R13: 00000000686e41b4 R14: 0000000000499600 R15: 0000000000000000
| [   31.217154][  T423] ------------[ cut here ]------------
| [ 31.218390][ T423] WARNING: CPU: 2 PID: 423 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) 
| [   31.219053][  T423] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   31.220440][  T423] Tainted: [W]=WARN
[   31.220712][  T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.221137][ T423] 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) 
[ 31.221502][ T423] 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
[   31.222680][  T423] RSP: 0018:ffffc90000c26ef0 EFLAGS: 00010246
[   31.223108][  T423] RAX: 0000000000000000 RBX: ffff88800f122000 RCX: 0000000000000001
[   31.223649][  T423] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   31.224144][  T423] RBP: ffffc90000c26fe0 R08: 0000000000000000 R09: 0000000000000000
[   31.224645][  T423] R10: ffffc90000c27010 R11: ffffffffb6f79160 R12: 1ffff92000184de2
[   31.225137][  T423] R13: 00000000000005dc R14: ffffc90000c27010 R15: ffff88800f122f08
[   31.225645][  T423] FS:  00007ff8af942800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[   31.226218][  T423] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.226643][  T423] CR2: 00000000004e5de8 CR3: 00000000090ef001 CR4: 0000000000772ef0
[   31.227136][  T423] PKRU: 55555554
[   31.227391][  T423] Call Trace:
[   31.227655][  T423]  <TASK>
[ 31.227845][ T423] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.228186][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.228543][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.228883][ T423] netif_set_mtu (net/core/dev.c:9652) 
[ 31.229215][ T423] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.229595][ T423] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.229856][ T423] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.230330][ T423] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.230726][ T423] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.231063][ T423] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.231399][ T423] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.231829][ T423] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.232166][ T423] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.232497][ T423] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.232855][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.233192][ T423] ? __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) 
[ 31.233542][ T423] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.233954][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.234290][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.234635][ T423] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.234969][ T423] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.235312][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.235660][ T423] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.235993][ T423] ? __create_object (mm/kmemleak.c:771) 
[ 31.236330][ T423] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.236675][ T423] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.237009][ T423] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.237420][ T423] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.237794][ T423] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.238140][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.238472][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.238822][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.239153][ T423] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.239495][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.239842][ T423] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.240183][ T423] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.240528][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.240878][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.241219][ T423] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.241564][ T423] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.241900][ T423] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.242244][ T423] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.242587][ T423] ? 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) 
[ 31.242925][ T423] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.243266][ T423] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.243612][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.243951][ T423] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.244299][ T423] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.244641][ T423] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.244987][ T423] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.245325][ T423] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.245667][ T423] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.246090][ T423] ___sys_sendmsg (net/socket.c:2670) 
[ 31.246418][ T423] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.246765][ T423] ? __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) 
[ 31.247182][ T423] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.247532][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.247871][ T423] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.248216][ T423] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.248560][ T423] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.248892][ T423] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.249234][ T423] __sys_sendmsg (net/socket.c:2700) 
[ 31.249587][ T423] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.249996][ T423] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.250337][ T423] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.250696][ T423] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.251061][ T423] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.251490][  T423] RIP: 0033:0x7ff8afb0f1e7
[ 31.251855][ T423] 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)
[   31.253003][  T423] RSP: 002b:00007ffedca80b08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.253499][  T423] RAX: ffffffffffffffda RBX: 00007ffedca81230 RCX: 00007ff8afb0f1e7
[   31.254006][  T423] RDX: 0000000000000000 RSI: 00007ffedca80b70 RDI: 0000000000000005
[   31.254489][  T423] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.254987][  T423] R10: 000000001a71f910 R11: 0000000000000246 R12: 0000000000000004
[   31.255476][  T423] R13: 00000000686e41b5 R14: 0000000000499600 R15: 0000000000000000
| [   35.459431][  T463] ------------[ cut here ]------------
| [ 35.459790][ T463] WARNING: CPU: 2 PID: 463 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) 
| [   35.460423][  T463] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   35.461758][  T463] Tainted: [W]=WARN
[   35.462004][  T463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.462408][ T463] 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) 
[ 35.462747][ T463] 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
[   35.463851][  T463] RSP: 0018:ffffc90000d56ef0 EFLAGS: 00010246
[   35.464284][  T463] RAX: 0000000000000000 RBX: ffff88800fe82000 RCX: 0000000000000001
[   35.464801][  T463] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   35.465273][  T463] RBP: ffffc90000d56fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.465751][  T463] R10: ffffc90000d57010 R11: ffffffffb6f79160 R12: 1ffff920001aade2
[   35.466224][  T463] R13: 00000000000005dc R14: ffffc90000d57010 R15: ffff88800fe82f08
[   35.466705][  T463] FS:  00007faf263a0800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[   35.467252][  T463] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.467657][  T463] CR2: 00000000004e6898 CR3: 000000000fdfa004 CR4: 0000000000772ef0
[   35.468128][  T463] PKRU: 55555554
[   35.468374][  T463] Call Trace:
[   35.468642][  T463]  <TASK>
[ 35.468816][ T463] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.469140][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.469494][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.469832][ T463] netif_set_mtu (net/core/dev.c:9652) 
[ 35.470153][ T463] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.470488][ T463] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.470745][ T463] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.471205][ T463] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.471582][ T463] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.471909][ T463] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.472230][ T463] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.472656][ T463] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.472978][ T463] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.473297][ T463] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.473635][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.473959][ T463] ? __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) 
[ 35.474310][ T463] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.474714][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.475040][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.475357][ T463] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.475693][ T463] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.476026][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.476343][ T463] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.476684][ T463] ? __create_object (mm/kmemleak.c:771) 
[ 35.477016][ T463] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.477349][ T463] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.477678][ T463] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.478075][ T463] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.478403][ T463] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.478770][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.479093][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.479435][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.479766][ T463] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.480084][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.480403][ T463] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.480744][ T463] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.481066][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.481392][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.481758][ T463] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.482089][ T463] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.482413][ T463] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.482786][ T463] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.483101][ T463] ? 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) 
[ 35.483427][ T463] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.483763][ T463] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.484080][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.484405][ T463] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.484748][ T463] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.485070][ T463] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.485397][ T463] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.485732][ T463] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.486064][ T463] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.486468][ T463] ___sys_sendmsg (net/socket.c:2670) 
[ 35.486799][ T463] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.487130][ T463] ? __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) 
[ 35.487537][ T463] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.487857][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.488193][ T463] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.488553][ T463] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.488879][ T463] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.489199][ T463] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.489548][ T463] __sys_sendmsg (net/socket.c:2700) 
[ 35.489866][ T463] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.490257][ T463] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.490598][ T463] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.490928][ T463] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.491249][ T463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.491658][  T463] RIP: 0033:0x7faf2656d1e7
[ 35.491993][ T463] 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)
[   35.493112][  T463] RSP: 002b:00007ffc0c717448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.493615][  T463] RAX: ffffffffffffffda RBX: 00007ffc0c717b70 RCX: 00007faf2656d1e7
[   35.494086][  T463] RDX: 0000000000000000 RSI: 00007ffc0c7174b0 RDI: 0000000000000005
[   35.494561][  T463] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.495029][  T463] R10: 000000000c710910 R11: 0000000000000246 R12: 0000000000000004
[   35.495503][  T463] R13: 00000000686e41ba R14: 0000000000499600 R15: 0000000000000000
| [   36.431350][  T471] ------------[ cut here ]------------
| [ 36.431773][ T471] WARNING: CPU: 1 PID: 471 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) 
| [   36.432556][  T471] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   36.434216][  T471] Tainted: [W]=WARN
[   36.434539][  T471] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 36.435024][ T471] 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) 
[ 36.435422][ T471] 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
[   36.437816][  T471] RSP: 0018:ffffc90000dc6ef0 EFLAGS: 00010246
[   36.438376][  T471] RAX: 0000000000000000 RBX: ffff88800fe82000 RCX: 0000000000000001
[   36.438982][  T471] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   36.439606][  T471] RBP: ffffc90000dc6fe0 R08: 0000000000000000 R09: 0000000000000000
[   36.440170][  T471] R10: ffffc90000dc7010 R11: ffffffffb78a8918 R12: 1ffff920001b8de2
[   36.440753][  T471] R13: 00000000000005dc R14: ffffc90000dc7010 R15: ffff88800fe82f08
[   36.441329][  T471] FS:  00007f0066471800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[   36.442029][  T471] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.442509][  T471] CR2: 00000000004e5ce0 CR3: 000000000dbd0004 CR4: 0000000000772ef0
[   36.443112][  T471] PKRU: 55555554
[   36.443402][  T471] Call Trace:
[   36.443805][  T471]  <TASK>
[ 36.444014][ T471] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 36.444410][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.444830][ T471] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 36.445224][ T471] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 36.445725][ T471] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 36.446116][ T471] netif_set_mtu (net/core/dev.c:9652) 
[ 36.446499][ T471] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 36.446928][ T471] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 36.447459][ T471] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 36.447806][ T471] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 36.448344][ T471] br_add_if (net/bridge/br_if.c:697) bridge 
[ 36.448809][ T471] do_set_master (net/core/rtnetlink.c:2948) 
[ 36.449207][ T471] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 36.449671][ T471] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 36.450166][ T471] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 36.450598][ T471] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 36.450984][ T471] ? __kernel_text_address (kernel/extable.c:79) 
[ 36.451370][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.451776][ T471] ? __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) 
[ 36.452168][ T471] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 36.452661][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.453050][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.453477][ T471] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 36.453898][ T471] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 36.454289][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.454746][ T471] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 36.455131][ T471] ? __create_object (mm/kmemleak.c:771) 
[ 36.455544][ T471] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 36.455940][ T471] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 36.456324][ T471] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 36.456828][ T471] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 36.457224][ T471] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 36.457633][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.458023][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.458419][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.458821][ T471] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 36.459201][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.459621][ T471] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 36.460018][ T471] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 36.460410][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.460815][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.461212][ T471] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 36.461608][ T471] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 36.461993][ T471] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 36.462390][ T471] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 36.462820][ T471] ? 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) 
[ 36.463209][ T471] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 36.463619][ T471] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 36.464008][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.464405][ T471] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 36.464814][ T471] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 36.465203][ T471] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 36.465635][ T471] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 36.466031][ T471] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 36.466417][ T471] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 36.466947][ T471] ___sys_sendmsg (net/socket.c:2670) 
[ 36.467337][ T471] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 36.467736][ T471] ? __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) 
[ 36.468218][ T471] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 36.468672][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.469066][ T471] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 36.469473][ T471] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 36.469879][ T471] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 36.470258][ T471] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 36.470685][ T471] __sys_sendmsg (net/socket.c:2700) 
[ 36.471074][ T471] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 36.471649][ T471] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 36.472242][ T471] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 36.472776][ T471] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 36.473285][ T471] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   36.473919][  T471] RIP: 0033:0x7f006663e1e7
[ 36.474446][ T471] 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)
[   36.476299][  T471] RSP: 002b:00007ffd4189ac58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   36.477089][  T471] RAX: ffffffffffffffda RBX: 00007ffd4189b380 RCX: 00007f006663e1e7
[   36.477857][  T471] RDX: 0000000000000000 RSI: 00007ffd4189acc0 RDI: 0000000000000005
[   36.478647][  T471] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   36.479457][  T471] R10: 000000003db35910 R11: 0000000000000246 R12: 0000000000000004
[   36.480247][  T471] R13: 00000000686e41bb R14: 0000000000499600 R15: 0000000000000000
| [   37.373757][  T478] ------------[ cut here ]------------
| [ 37.374322][ T478] WARNING: CPU: 1 PID: 478 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   37.375727][  T478] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [   37.378095][  T478] Tainted: [W]=WARN
[   37.378546][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 37.379276][ T478] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 37.379868][ T478] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   37.381851][  T478] RSP: 0018:ffffc90000e16ef0 EFLAGS: 00010246
[   37.382833][  T478] RAX: 0000000000000000 RBX: ffff88800fe82000 RCX: 0000000000000001
[   37.383945][  T478] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[   37.384909][  T478] RBP: ffffc90000e16fe0 R08: 0000000000000000 R09: 0000000000000000
[   37.385757][  T478] R10: ffffc90000e17010 R11: ffffffffb6f79160 R12: 1ffff920001c2de2
[   37.386549][  T478] R13: 00000000000005dc R14: ffffc90000e17010 R15: ffff88800fe82f08
[   37.387334][  T478] FS:  00007fa59e76f800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[   37.387883][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.388334][  T478] CR2: 00000000004e5de8 CR3: 000000000ecd0006 CR4: 0000000000772ef0
[   37.388836][  T478] PKRU: 55555554
[   37.389088][  T478] Call Trace:
[   37.389374][  T478]  <TASK>
[ 37.389557][ T478] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 37.389899][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.390240][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.390607][ T478] netif_set_mtu (net/core/dev.c:9652) 
[ 37.390943][ T478] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 37.391288][ T478] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 37.391564][ T478] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 37.392021][ T478] br_add_if (net/bridge/br_if.c:697) bridge 
[ 37.392415][ T478] do_set_master (net/core/rtnetlink.c:2948) 
[ 37.392758][ T478] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 37.393102][ T478] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 37.393555][ T478] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 37.393868][ T478] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 37.394174][ T478] ? __kernel_text_address (kernel/extable.c:79) 
[ 37.394636][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.395191][ T478] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 37.395547][ T478] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 37.395939][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.396248][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.396572][ T478] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 37.396876][ T478] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 37.397182][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.397501][ T478] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 37.397813][ T478] ? __create_object (mm/kmemleak.c:771) 
[ 37.398121][ T478] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 37.398450][ T478] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 37.398768][ T478] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 37.399150][ T478] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 37.399497][ T478] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 37.399817][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.400125][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.400483][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.400833][ T478] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 37.401141][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.401476][ T478] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 37.401793][ T478] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 37.402109][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.402534][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.403080][ T478] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 37.403454][ T478] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 37.403817][ T478] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 37.404134][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 37.404451][ T478] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 37.404772][ T478] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 37.405083][ T478] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 37.405406][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.405731][ T478] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 37.406051][ T478] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 37.406370][ T478] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 37.406706][ T478] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 37.407051][ T478] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 37.407369][ T478] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 37.407775][ T478] ___sys_sendmsg (net/socket.c:2670) 
[ 37.408106][ T478] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 37.408430][ T478] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 37.408826][ T478] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 37.409159][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.409568][ T478] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 37.409885][ T478] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 37.410193][ T478] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 37.410604][ T478] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 37.410927][ T478] __sys_sendmsg (net/socket.c:2700) 
[ 37.411232][ T478] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 37.411642][ T478] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 37.411979][ T478] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 37.412286][ T478] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 37.412616][ T478] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   37.412993][  T478] RIP: 0033:0x7fa59e93c1e7
[ 37.413328][ T478] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   37.414448][  T478] RSP: 002b:00007ffc0d23f448 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   37.414918][  T478] RAX: ffffffffffffffda RBX: 00007ffc0d23fb70 RCX: 00007fa59e93c1e7
[   37.415398][  T478] RDX: 0000000000000000 RSI: 00007ffc0d23f4b0 RDI: 0000000000000005
[   37.415866][  T478] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   37.416362][  T478] R10: 0000000036180910 R11: 0000000000000246 R12: 0000000000000004
[   37.416827][  T478] R13: 00000000686e41bb R14: 0000000000499600 R15: 0000000000000000
| [  278.030662][ T3710] ------------[ cut here ]------------
| [ 278.031240][ T3710] WARNING: CPU: 3 PID: 3710 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) 
| [  278.032289][ T3710] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  278.034561][ T3710] Tainted: [W]=WARN
[  278.034947][ T3710] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 278.036795][ T3710] 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) 
[ 278.037383][ T3710] 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
[  278.039339][ T3710] RSP: 0018:ffffc90007136f70 EFLAGS: 00010246
[  278.039908][ T3710] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  278.040390][ T3710] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  278.040872][ T3710] RBP: ffffc90007137058 R08: 0000000000000000 R09: 0000000000000000
[  278.041348][ T3710] R10: ffffc90007137088 R11: ffffffffb2e00130 R12: 1ffff92000e26df2
[  278.041827][ T3710] R13: 00000000000005dc R14: ffffc90007137088 R15: ffff88800ff0af08
[  278.042298][ T3710] FS:  00007f943f467800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[  278.042845][ T3710] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.043251][ T3710] CR2: 00000000004e5de8 CR3: 0000000012a5b001 CR4: 0000000000772ef0
[  278.043726][ T3710] PKRU: 55555554
[  278.043974][ T3710] Call Trace:
[  278.044392][ T3710]  <TASK>
[ 278.044695][ T3710] ? __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) 
[ 278.045106][ T3710] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 278.045492][ T3710] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.045820][ T3710] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.046139][ T3710] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 278.046454][ T3710] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.046772][ T3710] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.047111][ T3710] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.047434][ T3710] ? ___sys_sendmsg (net/socket.c:2670) 
[ 278.047748][ T3710] ? __sys_sendmsg (net/socket.c:2700) 
[ 278.048081][ T3710] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.048394][ T3710] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 278.048792][ T3710] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.049162][ T3710] netif_set_mtu (net/core/dev.c:9652) 
[ 278.049475][ T3710] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 278.049880][ T3710] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 278.050114][ T3710] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 278.050547][ T3710] br_del_if (net/bridge/br_if.c:743) bridge 
[ 278.050889][ T3710] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 278.051198][ T3710] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.051507][ T3710] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.051835][ T3710] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 278.052261][ T3710] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 278.052584][ T3710] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 278.052902][ T3710] ? __kernel_text_address (kernel/extable.c:79) 
[ 278.053251][ T3710] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.053589][ T3710] ? __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) 
[ 278.053894][ T3710] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 278.054279][ T3710] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.054616][ T3710] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.054922][ T3710] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 278.055228][ T3710] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 278.055552][ T3710] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.055860][ T3710] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 278.056203][ T3710] ? __create_object (mm/kmemleak.c:771) 
[ 278.056539][ T3710] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 278.056847][ T3710] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 278.057190][ T3710] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 278.057582][ T3710] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 278.057899][ T3710] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 278.058212][ T3710] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.058533][ T3710] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.058848][ T3710] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.059158][ T3710] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 278.059458][ T3710] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.059793][ T3710] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.060132][ T3710] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 278.060437][ T3710] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.060795][ T3710] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.061166][ T3710] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 278.061477][ T3710] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.061819][ T3710] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 278.062139][ T3710] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 278.062441][ T3710] ? 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) 
[ 278.062757][ T3710] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.063068][ T3710] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 278.063373][ T3710] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.063694][ T3710] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.064031][ T3710] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 278.064342][ T3710] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 278.064672][ T3710] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.065006][ T3710] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 278.065316][ T3710] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 278.065724][ T3710] ___sys_sendmsg (net/socket.c:2670) 
[ 278.066033][ T3710] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 278.066344][ T3710] ? __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) 
[ 278.066733][ T3710] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 278.067046][ T3710] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.067355][ T3710] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.067675][ T3710] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.068004][ T3710] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 278.068336][ T3710] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.068666][ T3710] __sys_sendmsg (net/socket.c:2700) 
[ 278.068972][ T3710] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 278.069385][ T3710] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 278.069736][ T3710] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.070049][ T3710] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.070360][ T3710] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  278.070753][ T3710] RIP: 0033:0x7f943f6341e7
[ 278.071079][ T3710] 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)
[  278.072211][ T3710] RSP: 002b:00007fff28766778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  278.072681][ T3710] RAX: ffffffffffffffda RBX: 00007fff28766ea0 RCX: 00007f943f6341e7
[  278.073179][ T3710] RDX: 0000000000000000 RSI: 00007fff287667e0 RDI: 0000000000000005
[  278.073649][ T3710] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  278.074139][ T3710] R10: 00007f943f531ee8 R11: 0000000000000246 R12: 0000000000000003
[  278.074651][ T3710] R13: 00000000686e42ac R14: 0000000000499600 R15: 0000000000000000
| [  278.205204][ T3711] ------------[ cut here ]------------
| [ 278.205542][ T3711] WARNING: CPU: 0 PID: 3711 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) 
| [  278.206163][ T3711] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  278.207691][ T3711] Tainted: [W]=WARN
[  278.207927][ T3711] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 278.208337][ T3711] 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) 
[ 278.208678][ T3711] 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
[  278.209830][ T3711] RSP: 0018:ffffc90007136f70 EFLAGS: 00010246
[  278.210255][ T3711] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  278.210722][ T3711] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  278.211180][ T3711] RBP: ffffc90007137058 R08: 0000000000000000 R09: 0000000000000000
[  278.211645][ T3711] R10: ffffc90007137088 R11: ffffffffb6f79160 R12: 1ffff92000e26df2
[  278.212106][ T3711] R13: 00000000000005dc R14: ffffc90007137088 R15: ffff88800ff0af08
[  278.212572][ T3711] FS:  00007ff10c61f800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[  278.213124][ T3711] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  278.213506][ T3711] CR2: 00000000004e5ce0 CR3: 0000000009fd4002 CR4: 0000000000772ef0
[  278.213988][ T3711] PKRU: 55555554
[  278.214218][ T3711] Call Trace:
[  278.214448][ T3711]  <TASK>
[ 278.214613][ T3711] ? __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) 
[ 278.214996][ T3711] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 278.215344][ T3711] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.215658][ T3711] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.215967][ T3711] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 278.216276][ T3711] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.216595][ T3711] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.216902][ T3711] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.217207][ T3711] ? ___sys_sendmsg (net/socket.c:2670) 
[ 278.217540][ T3711] ? __sys_sendmsg (net/socket.c:2700) 
[ 278.217847][ T3711] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.218149][ T3711] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 278.218541][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.218860][ T3711] netif_set_mtu (net/core/dev.c:9652) 
[ 278.219186][ T3711] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 278.219532][ T3711] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 278.219781][ T3711] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 278.220215][ T3711] br_del_if (net/bridge/br_if.c:743) bridge 
[ 278.220566][ T3711] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 278.220873][ T3711] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 278.221182][ T3711] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 278.221507][ T3711] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 278.221911][ T3711] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 278.222226][ T3711] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 278.222562][ T3711] ? __kernel_text_address (kernel/extable.c:79) 
[ 278.222874][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.223198][ T3711] ? __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) 
[ 278.223531][ T3711] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 278.223950][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.224265][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.224584][ T3711] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 278.224890][ T3711] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 278.225202][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.225506][ T3711] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 278.225832][ T3711] ? __create_object (mm/kmemleak.c:771) 
[ 278.226194][ T3711] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 278.226507][ T3711] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 278.226844][ T3711] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 278.227229][ T3711] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 278.227562][ T3711] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 278.227887][ T3711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.228193][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.228527][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.228840][ T3711] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 278.229168][ T3711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.229477][ T3711] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 278.229813][ T3711] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 278.230145][ T3711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.230469][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.230806][ T3711] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 278.231112][ T3711] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 278.231438][ T3711] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 278.231763][ T3711] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 278.232071][ T3711] ? 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) 
[ 278.232376][ T3711] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 278.232692][ T3711] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 278.233011][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.233323][ T3711] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 278.233641][ T3711] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 278.233947][ T3711] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 278.234256][ T3711] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 278.234576][ T3711] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 278.234880][ T3711] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 278.235268][ T3711] ___sys_sendmsg (net/socket.c:2670) 
[ 278.235580][ T3711] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 278.235889][ T3711] ? __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) 
[ 278.236267][ T3711] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 278.236583][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.236895][ T3711] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 278.237219][ T3711] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 278.237562][ T3711] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 278.237893][ T3711] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 278.238222][ T3711] __sys_sendmsg (net/socket.c:2700) 
[ 278.238554][ T3711] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 278.238943][ T3711] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 278.239261][ T3711] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 278.239588][ T3711] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 278.239919][ T3711] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  278.240312][ T3711] RIP: 0033:0x7ff10c7ec1e7
[ 278.240666][ T3711] 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)
[  278.241787][ T3711] RSP: 002b:00007ffcf8e878d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  278.242248][ T3711] RAX: ffffffffffffffda RBX: 00007ffcf8e88000 RCX: 00007ff10c7ec1e7
[  278.242719][ T3711] RDX: 0000000000000000 RSI: 00007ffcf8e87940 RDI: 0000000000000005
[  278.243173][ T3711] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  278.243638][ T3711] R10: 00007ff10c6e9ee8 R11: 0000000000000246 R12: 0000000000000003
[  278.244092][ T3711] R13: 00000000686e42ac R14: 0000000000499600 R15: 0000000000000000
| [  283.849945][ T3716] ------------[ cut here ]------------
| [ 283.850262][ T3716] WARNING: CPU: 3 PID: 3716 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) 
| [  283.850883][ T3716] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  283.852269][ T3716] Tainted: [W]=WARN
[  283.852554][ T3716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 283.853019][ T3716] 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) 
[ 283.853400][ T3716] 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
[  283.854660][ T3716] RSP: 0018:ffffc90007166ef0 EFLAGS: 00010246
[  283.855074][ T3716] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  283.855650][ T3716] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  283.856279][ T3716] RBP: ffffc90007166fe0 R08: 0000000000000000 R09: 0000000000000000
[  283.856833][ T3716] R10: ffffc90007167010 R11: ffffffffb78a8918 R12: 1ffff92000e2cde2
[  283.857394][ T3716] R13: 00000000000005dc R14: ffffc90007167010 R15: ffff88800ff0af08
[  283.857975][ T3716] FS:  00007f05cf640800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[  283.858630][ T3716] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  283.859074][ T3716] CR2: 00000000004e5ce0 CR3: 0000000012d0e001 CR4: 0000000000772ef0
[  283.859715][ T3716] PKRU: 55555554
[  283.859963][ T3716] Call Trace:
[  283.860199][ T3716]  <TASK>
[ 283.860359][ T3716] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 283.860681][ T3716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.861014][ T3716] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 283.861418][ T3716] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 283.861824][ T3716] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 283.862241][ T3716] netif_set_mtu (net/core/dev.c:9652) 
[ 283.862569][ T3716] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 283.862980][ T3716] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 283.863435][ T3716] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 283.863689][ T3716] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 283.864197][ T3716] br_add_if (net/bridge/br_if.c:697) bridge 
[ 283.864572][ T3716] do_set_master (net/core/rtnetlink.c:2948) 
[ 283.864888][ T3716] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 283.865221][ T3716] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 283.865692][ T3716] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 283.866046][ T3716] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 283.866361][ T3716] ? __kernel_text_address (kernel/extable.c:79) 
[ 283.866695][ T3716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.867035][ T3716] ? __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) 
[ 283.867348][ T3716] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 283.867745][ T3716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.868078][ T3716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.868388][ T3716] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 283.868707][ T3716] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 283.869038][ T3716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.869358][ T3716] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 283.869694][ T3716] ? __create_object (mm/kmemleak.c:771) 
[ 283.870021][ T3716] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 283.870335][ T3716] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 283.870657][ T3716] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 283.871063][ T3716] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 283.871379][ T3716] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 283.871711][ T3716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 283.872104][ T3716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.872534][ T3716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.872844][ T3716] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 283.873232][ T3716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 283.873617][ T3716] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 283.873952][ T3716] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 283.874306][ T3716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 283.874696][ T3716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.875086][ T3716] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 283.875443][ T3716] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 283.875779][ T3716] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 283.876217][ T3716] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 283.876748][ T3716] ? 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) 
[ 283.877277][ T3716] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 283.877847][ T3716] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 283.878400][ T3716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.878978][ T3716] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 283.879565][ T3716] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 283.880106][ T3716] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 283.880705][ T3716] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 283.881247][ T3716] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 283.881826][ T3716] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 283.882537][ T3716] ___sys_sendmsg (net/socket.c:2670) 
[ 283.883052][ T3716] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 283.883623][ T3716] ? __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) 
[ 283.884336][ T3716] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 283.884921][ T3716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.885485][ T3716] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 283.886099][ T3716] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 283.886688][ T3716] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 283.887256][ T3716] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 283.887858][ T3716] __sys_sendmsg (net/socket.c:2700) 
[ 283.888421][ T3716] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 283.889114][ T3716] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 283.889716][ T3716] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 283.890269][ T3716] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 283.890845][ T3716] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  283.891550][ T3716] RIP: 0033:0x7f05cf80d1e7
[ 283.892123][ T3716] 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)
[  283.894073][ T3716] RSP: 002b:00007ffc7a7956b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  283.894912][ T3716] RAX: ffffffffffffffda RBX: 00007ffc7a795de0 RCX: 00007f05cf80d1e7
[  283.895743][ T3716] RDX: 0000000000000000 RSI: 00007ffc7a795720 RDI: 0000000000000005
[  283.896592][ T3716] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  283.897425][ T3716] R10: 00000000342cf910 R11: 0000000000000246 R12: 0000000000000004
[  283.898270][ T3716] R13: 00000000686e42b2 R14: 0000000000499600 R15: 0000000000000000
| [  284.157413][ T3718] ------------[ cut here ]------------
| [ 284.158006][ T3718] WARNING: CPU: 1 PID: 3718 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) 
| [  284.160643][ T3718] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  284.163197][ T3718] Tainted: [W]=WARN
[  284.163438][ T3718] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 284.163832][ T3718] 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) 
[ 284.164170][ T3718] 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
[  284.165917][ T3718] RSP: 0018:ffffc90007186ef0 EFLAGS: 00010246
[  284.166645][ T3718] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  284.167488][ T3718] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  284.168336][ T3718] RBP: ffffc90007186fe0 R08: 0000000000000000 R09: 0000000000000000
[  284.169143][ T3718] R10: ffffc90007187010 R11: ffffffffb78a8918 R12: 1ffff92000e30de2
[  284.170019][ T3718] R13: 00000000000005dc R14: ffffc90007187010 R15: ffff88800ff0af08
[  284.170864][ T3718] FS:  00007f0ffe10a800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[  284.171832][ T3718] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  284.172539][ T3718] CR2: 00000000004e5de8 CR3: 0000000012bab005 CR4: 0000000000772ef0
[  284.173368][ T3718] PKRU: 55555554
[  284.173815][ T3718] Call Trace:
[  284.174223][ T3718]  <TASK>
[ 284.174532][ T3718] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 284.175090][ T3718] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.175665][ T3718] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 284.176195][ T3718] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 284.176738][ T3718] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 284.177092][ T3718] netif_set_mtu (net/core/dev.c:9652) 
[ 284.177401][ T3718] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 284.177743][ T3718] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 284.178436][ T3718] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 284.178816][ T3718] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 284.179255][ T3718] br_add_if (net/bridge/br_if.c:697) bridge 
[ 284.179633][ T3718] do_set_master (net/core/rtnetlink.c:2948) 
[ 284.179965][ T3718] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 284.180277][ T3718] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 284.180674][ T3718] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 284.180994][ T3718] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 284.181443][ T3718] ? __kernel_text_address (kernel/extable.c:79) 
[ 284.182000][ T3718] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.182555][ T3718] ? __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) 
[ 284.183097][ T3718] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 284.183805][ T3718] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.184363][ T3718] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.184931][ T3718] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 284.185483][ T3718] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 284.186065][ T3718] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.186641][ T3718] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 284.187230][ T3718] ? __create_object (mm/kmemleak.c:771) 
[ 284.187799][ T3718] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 284.188351][ T3718] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 284.188907][ T3718] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 284.189658][ T3718] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 284.190243][ T3718] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 284.190833][ T3718] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 284.191376][ T3718] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.191725][ T3718] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.192086][ T3718] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 284.192407][ T3718] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 284.192745][ T3718] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 284.193223][ T3718] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 284.193864][ T3718] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 284.194269][ T3718] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.194606][ T3718] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 284.194944][ T3718] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 284.195264][ T3718] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 284.195609][ T3718] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 284.195961][ T3718] ? 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) 
[ 284.196310][ T3718] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 284.196644][ T3718] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 284.197050][ T3718] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.197657][ T3718] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 284.198231][ T3718] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 284.198581][ T3718] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 284.198939][ T3718] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 284.199262][ T3718] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 284.199610][ T3718] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 284.200048][ T3718] ___sys_sendmsg (net/socket.c:2670) 
[ 284.200374][ T3718] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 284.200701][ T3718] ? __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) 
[ 284.201162][ T3718] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 284.201487][ T3718] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.201831][ T3718] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 284.202230][ T3718] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 284.202562][ T3718] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 284.202898][ T3718] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 284.203232][ T3718] __sys_sendmsg (net/socket.c:2700) 
[ 284.203583][ T3718] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 284.203993][ T3718] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 284.204328][ T3718] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 284.204659][ T3718] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 284.205015][ T3718] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  284.205415][ T3718] RIP: 0033:0x7f0ffe2d71e7
[ 284.205770][ T3718] 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)
[  284.206974][ T3718] RSP: 002b:00007ffc1598aba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  284.207462][ T3718] RAX: ffffffffffffffda RBX: 00007ffc1598b2d0 RCX: 00007f0ffe2d71e7
[  284.207968][ T3718] RDX: 0000000000000000 RSI: 00007ffc1598ac10 RDI: 0000000000000005
[  284.208450][ T3718] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  284.208969][ T3718] R10: 000000002d250910 R11: 0000000000000246 R12: 0000000000000004
[  284.209452][ T3718] R13: 00000000686e42b2 R14: 0000000000499600 R15: 0000000000000000
| [  520.049001][ T6898] ------------[ cut here ]------------
| [ 520.049345][ T6898] WARNING: CPU: 1 PID: 6898 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) 
| [  520.050012][ T6898] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  520.051440][ T6898] Tainted: [W]=WARN
[  520.052123][ T6898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 520.052535][ T6898] 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) 
[ 520.052857][ T6898] 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
[  520.053951][ T6898] RSP: 0018:ffffc900089d6f70 EFLAGS: 00010246
[  520.054336][ T6898] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  520.054821][ T6898] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  520.055317][ T6898] RBP: ffffc900089d7058 R08: 0000000000000000 R09: 0000000000000000
[  520.055809][ T6898] R10: ffffc900089d7088 R11: ffffffffb6f79160 R12: 1ffff9200113adf2
[  520.056295][ T6898] R13: 00000000000005dc R14: ffffc900089d7088 R15: ffff88800ff0af08
[  520.056787][ T6898] FS:  00007fcf22720800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[  520.057348][ T6898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  520.057764][ T6898] CR2: 00000000004e5de8 CR3: 00000000019b9006 CR4: 0000000000772ef0
[  520.058263][ T6898] PKRU: 55555554
[  520.058542][ T6898] Call Trace:
[  520.058808][ T6898]  <TASK>
[ 520.058964][ T6898] ? __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) 
[ 520.059363][ T6898] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 520.059739][ T6898] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 520.060087][ T6898] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 520.060400][ T6898] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 520.060720][ T6898] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 520.061076][ T6898] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 520.061423][ T6898] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 520.061759][ T6898] ? ___sys_sendmsg (net/socket.c:2670) 
[ 520.062078][ T6898] ? __sys_sendmsg (net/socket.c:2700) 
[ 520.062398][ T6898] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 520.062736][ T6898] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 520.063122][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.063443][ T6898] netif_set_mtu (net/core/dev.c:9652) 
[ 520.063759][ T6898] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 520.064102][ T6898] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 520.064347][ T6898] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 520.064799][ T6898] br_del_if (net/bridge/br_if.c:743) bridge 
[ 520.065187][ T6898] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 520.065503][ T6898] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 520.065852][ T6898] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 520.066165][ T6898] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 520.066614][ T6898] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 520.066939][ T6898] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 520.067260][ T6898] ? __kernel_text_address (kernel/extable.c:79) 
[ 520.067581][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.067897][ T6898] ? __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) 
[ 520.068217][ T6898] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 520.068671][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.069025][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.069361][ T6898] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 520.069704][ T6898] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 520.070045][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.070386][ T6898] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 520.070732][ T6898] ? __create_object (mm/kmemleak.c:771) 
[ 520.071071][ T6898] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 520.071398][ T6898] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 520.071735][ T6898] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 520.072142][ T6898] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 520.072488][ T6898] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 520.072841][ T6898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 520.073194][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.073541][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.073869][ T6898] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 520.074197][ T6898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 520.074563][ T6898] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 520.074892][ T6898] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 520.075218][ T6898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 520.075555][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.075884][ T6898] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 520.076210][ T6898] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 520.076545][ T6898] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 520.076885][ T6898] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 520.077247][ T6898] ? 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) 
[ 520.077603][ T6898] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 520.077933][ T6898] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 520.078271][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.078622][ T6898] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 520.078964][ T6898] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 520.079311][ T6898] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 520.079652][ T6898] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 520.080005][ T6898] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 520.080329][ T6898] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 520.080764][ T6898] ___sys_sendmsg (net/socket.c:2670) 
[ 520.081115][ T6898] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 520.081451][ T6898] ? __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) 
[ 520.081874][ T6898] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 520.082220][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.082570][ T6898] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.082904][ T6898] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.083238][ T6898] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 520.083574][ T6898] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 520.083943][ T6898] __sys_sendmsg (net/socket.c:2700) 
[ 520.084269][ T6898] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 520.084713][ T6898] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 520.085093][ T6898] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.085440][ T6898] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 520.085788][ T6898] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  520.086196][ T6898] RIP: 0033:0x7fcf228ed1e7
[ 520.086553][ T6898] 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)
[  520.087754][ T6898] RSP: 002b:00007ffc762ef658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.088244][ T6898] RAX: ffffffffffffffda RBX: 00007ffc762efd80 RCX: 00007fcf228ed1e7
[  520.088742][ T6898] RDX: 0000000000000000 RSI: 00007ffc762ef6c0 RDI: 0000000000000005
[  520.089288][ T6898] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  520.089805][ T6898] R10: 00007fcf227eaee8 R11: 0000000000000246 R12: 0000000000000003
[  520.090305][ T6898] R13: 00000000686e439e R14: 0000000000499600 R15: 0000000000000000
| [  520.231354][ T6899] ------------[ cut here ]------------
| [ 520.231733][ T6899] WARNING: CPU: 1 PID: 6899 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) 
| [  520.232379][ T6899] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  520.233813][ T6899] Tainted: [W]=WARN
[  520.234068][ T6899] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 520.234466][ T6899] 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) 
[ 520.234808][ T6899] 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
[  520.235962][ T6899] RSP: 0018:ffffc900089d6f70 EFLAGS: 00010246
[  520.238574][ T6899] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  520.239431][ T6899] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  520.240299][ T6899] RBP: ffffc900089d7058 R08: 0000000000000000 R09: 0000000000000000
[  520.241175][ T6899] R10: ffffc900089d7088 R11: ffffffffb6f79160 R12: 1ffff9200113adf2
[  520.242073][ T6899] R13: 00000000000005dc R14: ffffc900089d7088 R15: ffff88800ff0af08
[  520.242918][ T6899] FS:  00007f053bdc3800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[  520.243929][ T6899] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  520.244701][ T6899] CR2: 00000000004e5ce0 CR3: 000000000b19a002 CR4: 0000000000772ef0
[  520.245448][ T6899] PKRU: 55555554
[  520.245713][ T6899] Call Trace:
[  520.246003][ T6899]  <TASK>
[ 520.246207][ T6899] ? __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) 
[ 520.246633][ T6899] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 520.247018][ T6899] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 520.247347][ T6899] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 520.247700][ T6899] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 520.248042][ T6899] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 520.248368][ T6899] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 520.248703][ T6899] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 520.249042][ T6899] ? ___sys_sendmsg (net/socket.c:2670) 
[ 520.249363][ T6899] ? __sys_sendmsg (net/socket.c:2700) 
[ 520.249696][ T6899] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 520.250071][ T6899] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 520.250472][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.250898][ T6899] netif_set_mtu (net/core/dev.c:9652) 
[ 520.251447][ T6899] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 520.252069][ T6899] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 520.252483][ T6899] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 520.253270][ T6899] br_del_if (net/bridge/br_if.c:743) bridge 
[ 520.253906][ T6899] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 520.254928][ T6899] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 520.255545][ T6899] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 520.256122][ T6899] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 520.256868][ T6899] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 520.257435][ T6899] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 520.258021][ T6899] ? __kernel_text_address (kernel/extable.c:79) 
[ 520.258619][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.259184][ T6899] ? __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) 
[ 520.259581][ T6899] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 520.260056][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.260387][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.260727][ T6899] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 520.261082][ T6899] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 520.261437][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.261765][ T6899] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 520.262083][ T6899] ? __create_object (mm/kmemleak.c:771) 
[ 520.262399][ T6899] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 520.262719][ T6899] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 520.263041][ T6899] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 520.263427][ T6899] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 520.263777][ T6899] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 520.264291][ T6899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 520.264882][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.265465][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.266051][ T6899] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 520.266630][ T6899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 520.267215][ T6899] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 520.267822][ T6899] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 520.268389][ T6899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 520.268953][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.269314][ T6899] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 520.269650][ T6899] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 520.270008][ T6899] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 520.270342][ T6899] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 520.270682][ T6899] ? 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) 
[ 520.271022][ T6899] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 520.271358][ T6899] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 520.271727][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.272068][ T6899] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 520.272396][ T6899] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 520.272734][ T6899] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 520.273076][ T6899] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 520.273416][ T6899] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 520.273966][ T6899] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 520.274686][ T6899] ___sys_sendmsg (net/socket.c:2670) 
[ 520.275227][ T6899] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 520.275833][ T6899] ? __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) 
[ 520.276568][ T6899] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 520.277157][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.277757][ T6899] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 520.278341][ T6899] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 520.278942][ T6899] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 520.279558][ T6899] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 520.280159][ T6899] __sys_sendmsg (net/socket.c:2700) 
[ 520.280750][ T6899] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 520.281464][ T6899] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 520.282081][ T6899] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 520.282675][ T6899] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 520.283252][ T6899] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  520.283998][ T6899] RIP: 0033:0x7f053bf901e7
[ 520.284601][ T6899] 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)
[  520.286097][ T6899] RSP: 002b:00007ffebf9d8748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  520.286608][ T6899] RAX: ffffffffffffffda RBX: 00007ffebf9d8e70 RCX: 00007f053bf901e7
[  520.287109][ T6899] RDX: 0000000000000000 RSI: 00007ffebf9d87b0 RDI: 0000000000000005
[  520.287617][ T6899] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  520.288119][ T6899] R10: 00007f053be8dee8 R11: 0000000000000246 R12: 0000000000000003
[  520.288618][ T6899] R13: 00000000686e439e R14: 0000000000499600 R15: 0000000000000000
| [  525.820735][ T6904] ------------[ cut here ]------------
| [ 525.821039][ T6904] WARNING: CPU: 3 PID: 6904 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) 
| [  525.822086][ T6904] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  525.823436][ T6904] Tainted: [W]=WARN
[  525.823674][ T6904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 525.824059][ T6904] 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) 
[ 525.824371][ T6904] 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
[  525.825472][ T6904] RSP: 0018:ffffc90008906ef0 EFLAGS: 00010246
[  525.825863][ T6904] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  525.826320][ T6904] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  525.826785][ T6904] RBP: ffffc90008906fe0 R08: 0000000000000000 R09: 0000000000000000
[  525.827248][ T6904] R10: ffffc90008907010 R11: ffffffffb78a8918 R12: 1ffff92001120de2
[  525.827709][ T6904] R13: 00000000000005dc R14: ffffc90008907010 R15: ffff88800ff0af08
[  525.828168][ T6904] FS:  00007f8375844800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[  525.828710][ T6904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  525.829098][ T6904] CR2: 00000000004e5ce0 CR3: 00000000128cb002 CR4: 0000000000772ef0
[  525.829562][ T6904] PKRU: 55555554
[  525.829799][ T6904] Call Trace:
[  525.830026][ T6904]  <TASK>
[ 525.830183][ T6904] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 525.830488][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 525.830808][ T6904] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 525.831112][ T6904] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 525.831494][ T6904] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 525.831809][ T6904] netif_set_mtu (net/core/dev.c:9652) 
[ 525.832160][ T6904] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 525.832489][ T6904] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 525.832930][ T6904] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 525.833161][ T6904] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 525.833604][ T6904] br_add_if (net/bridge/br_if.c:697) bridge 
[ 525.833962][ T6904] do_set_master (net/core/rtnetlink.c:2948) 
[ 525.834277][ T6904] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 525.834598][ T6904] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 525.835003][ T6904] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 525.835309][ T6904] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 525.835623][ T6904] ? __kernel_text_address (kernel/extable.c:79) 
[ 525.835943][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 525.836269][ T6904] ? __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) 
[ 525.836584][ T6904] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 525.836964][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 525.837274][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 525.837590][ T6904] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 525.837895][ T6904] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 525.838205][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 525.838528][ T6904] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 525.838832][ T6904] ? __create_object (mm/kmemleak.c:771) 
[ 525.839151][ T6904] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 525.839458][ T6904] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 525.839777][ T6904] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 525.840168][ T6904] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 525.840492][ T6904] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 525.840814][ T6904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 525.841121][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 525.841459][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 525.841792][ T6904] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 525.842100][ T6904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 525.842407][ T6904] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 525.842726][ T6904] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 525.843034][ T6904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 525.843356][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 525.843675][ T6904] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 525.843981][ T6904] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 525.844288][ T6904] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 525.844615][ T6904] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 525.844918][ T6904] ? 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) 
[ 525.845238][ T6904] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 525.845558][ T6904] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 525.845861][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 525.846172][ T6904] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 525.846484][ T6904] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 525.846800][ T6904] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 525.847115][ T6904] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 525.847424][ T6904] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 525.847748][ T6904] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 525.848142][ T6904] ___sys_sendmsg (net/socket.c:2670) 
[ 525.848443][ T6904] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 525.848759][ T6904] ? __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) 
[ 525.849139][ T6904] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 525.849452][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 525.849780][ T6904] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 525.850099][ T6904] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 525.850413][ T6904] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 525.850731][ T6904] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 525.851045][ T6904] __sys_sendmsg (net/socket.c:2700) 
[ 525.851348][ T6904] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 525.851740][ T6904] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 525.852057][ T6904] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 525.852364][ T6904] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 525.852679][ T6904] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  525.853058][ T6904] RIP: 0033:0x7f8375a111e7
[ 525.853374][ T6904] 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)
[  525.854466][ T6904] RSP: 002b:00007ffd352d5858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  525.854937][ T6904] RAX: ffffffffffffffda RBX: 00007ffd352d5f80 RCX: 00007f8375a111e7
[  525.855394][ T6904] RDX: 0000000000000000 RSI: 00007ffd352d58c0 RDI: 0000000000000005
[  525.855858][ T6904] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  525.856313][ T6904] R10: 0000000000d06910 R11: 0000000000000246 R12: 0000000000000004
[  525.856773][ T6904] R13: 00000000686e43a4 R14: 0000000000499600 R15: 0000000000000000
| [  526.084904][ T6906] ------------[ cut here ]------------
| [ 526.085212][ T6906] WARNING: CPU: 0 PID: 6906 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) 
| [  526.085841][ T6906] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  526.087206][ T6906] Tainted: [W]=WARN
[  526.087436][ T6906] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 526.087824][ T6906] 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) 
[ 526.088142][ T6906] 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
[  526.089278][ T6906] RSP: 0018:ffffc900088f6ef0 EFLAGS: 00010246
[  526.089672][ T6906] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  526.090160][ T6906] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  526.090645][ T6906] RBP: ffffc900088f6fe0 R08: 0000000000000000 R09: 0000000000000000
[  526.091113][ T6906] R10: ffffc900088f7010 R11: ffffffffb78a8918 R12: 1ffff9200111ede2
[  526.091576][ T6906] R13: 00000000000005dc R14: ffffc900088f7010 R15: ffff88800ff0af08
[  526.092033][ T6906] FS:  00007f7715a0e800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[  526.092606][ T6906] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  526.092996][ T6906] CR2: 00000000004e5de8 CR3: 00000000133a5003 CR4: 0000000000772ef0
[  526.093458][ T6906] PKRU: 55555554
[  526.093695][ T6906] Call Trace:
[  526.093926][ T6906]  <TASK>
[ 526.094085][ T6906] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 526.094394][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.094726][ T6906] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 526.095031][ T6906] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 526.095420][ T6906] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 526.095742][ T6906] netif_set_mtu (net/core/dev.c:9652) 
[ 526.096046][ T6906] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 526.096361][ T6906] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 526.096833][ T6906] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 526.097077][ T6906] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 526.097500][ T6906] br_add_if (net/bridge/br_if.c:697) bridge 
[ 526.097885][ T6906] do_set_master (net/core/rtnetlink.c:2948) 
[ 526.098194][ T6906] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 526.098502][ T6906] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 526.098910][ T6906] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 526.099215][ T6906] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 526.099529][ T6906] ? __kernel_text_address (kernel/extable.c:79) 
[ 526.099852][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.100157][ T6906] ? __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) 
[ 526.100494][ T6906] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 526.100889][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 526.101196][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 526.101501][ T6906] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 526.101816][ T6906] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 526.102120][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.102428][ T6906] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 526.102752][ T6906] ? __create_object (mm/kmemleak.c:771) 
[ 526.103060][ T6906] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 526.103364][ T6906] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 526.103677][ T6906] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 526.104057][ T6906] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 526.104387][ T6906] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 526.104729][ T6906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 526.105038][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.105347][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.105677][ T6906] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 526.105979][ T6906] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 526.106284][ T6906] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 526.106606][ T6906] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 526.106919][ T6906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 526.107227][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.107548][ T6906] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 526.107852][ T6906] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 526.108157][ T6906] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 526.108502][ T6906] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 526.108819][ T6906] ? 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) 
[ 526.109131][ T6906] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 526.109503][ T6906] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 526.110033][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.110593][ T6906] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 526.111114][ T6906] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 526.111628][ T6906] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 526.112155][ T6906] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 526.112679][ T6906] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 526.113194][ T6906] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 526.113853][ T6906] ___sys_sendmsg (net/socket.c:2670) 
[ 526.114354][ T6906] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 526.114888][ T6906] ? __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) 
[ 526.115419][ T6906] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 526.115742][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.116050][ T6906] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 526.116395][ T6906] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 526.116714][ T6906] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 526.117019][ T6906] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 526.117340][ T6906] __sys_sendmsg (net/socket.c:2700) 
[ 526.117692][ T6906] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 526.118071][ T6906] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 526.118394][ T6906] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 526.118728][ T6906] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 526.119037][ T6906] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  526.119412][ T6906] RIP: 0033:0x7f7715bdb1e7
[ 526.119739][ T6906] 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)
[  526.120843][ T6906] RSP: 002b:00007fffa67f8178 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  526.121306][ T6906] RAX: ffffffffffffffda RBX: 00007fffa67f88a0 RCX: 00007f7715bdb1e7
[  526.121805][ T6906] RDX: 0000000000000000 RSI: 00007fffa67f81e0 RDI: 0000000000000005
[  526.122259][ T6906] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  526.122731][ T6906] R10: 0000000001e93910 R11: 0000000000000246 R12: 0000000000000004
[  526.123191][ T6906] R13: 00000000686e43a4 R14: 0000000000499600 R15: 0000000000000000
| [  888.111852][T10181] ------------[ cut here ]------------
| [888.112348][T10181] WARNING: CPU: 0 PID: 10181 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) 
| [  888.113461][T10181] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  888.114827][T10181] Tainted: [W]=WARN
[  888.115064][T10181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[888.115460][T10181] 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) 
[ 888.115808][T10181] 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
[  888.116928][T10181] RSP: 0018:ffffc90000b26f70 EFLAGS: 00010246
[  888.117339][T10181] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  888.117809][T10181] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  888.118286][T10181] RBP: ffffc90000b27058 R08: 0000000000000000 R09: 0000000000000000
[  888.118756][T10181] R10: ffffc90000b27088 R11: ffffffffb6f79160 R12: 1ffff92000164df2
[  888.119233][T10181] R13: 00000000000005dc R14: ffffc90000b27088 R15: ffff88800ff0af08
[  888.119724][T10181] FS:  00007f677bf97800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[  888.120285][T10181] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  888.120682][T10181] CR2: 00000000004e5de8 CR3: 0000000005084002 CR4: 0000000000772ef0
[  888.121144][T10181] PKRU: 55555554
[  888.121481][T10181] Call Trace:
[  888.121731][T10181]  <TASK>
[888.121891][T10181] ? __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) 
[888.122288][T10181] ? br_del_if (net/bridge/br_if.c:742) bridge 
[888.122657][T10181] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.122967][T10181] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.123272][T10181] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[888.123599][T10181] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.123915][T10181] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.124217][T10181] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.124535][T10181] ? ___sys_sendmsg (net/socket.c:2670) 
[888.124842][T10181] ? __sys_sendmsg (net/socket.c:2700) 
[888.125144][T10181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.125446][T10181] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[888.125832][T10181] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.126149][T10181] netif_set_mtu (net/core/dev.c:9652) 
[888.126463][T10181] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[888.126791][T10181] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[888.127024][T10181] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[888.127449][T10181] br_del_if (net/bridge/br_if.c:743) bridge 
[888.127814][T10181] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[888.128135][T10181] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.128448][T10181] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.128776][T10181] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[888.129163][T10181] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[888.129469][T10181] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[888.129785][T10181] ? __kernel_text_address (kernel/extable.c:79) 
[888.130095][T10181] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.130420][T10181] ? __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) 
[888.130736][T10181] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[888.131125][T10181] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.131454][T10181] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.131795][T10181] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[888.132104][T10181] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[888.132412][T10181] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.132735][T10181] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[888.133040][T10181] ? __create_object (mm/kmemleak.c:771) 
[888.133348][T10181] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[888.133672][T10181] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[888.133980][T10181] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[888.134358][T10181] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[888.134678][T10181] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[888.134992][T10181] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.135300][T10181] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.135629][T10181] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.135937][T10181] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[888.136244][T10181] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.136728][T10181] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.137171][T10181] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[888.137704][T10181] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.138221][T10181] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.138735][T10181] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[888.139265][T10181] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.139809][T10181] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[888.140351][T10181] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[888.140860][T10181] ? 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) 
[888.141393][T10181] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.141953][T10181] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[888.142487][T10181] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.143035][T10181] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.143622][T10181] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[888.144153][T10181] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[888.144715][T10181] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.145255][T10181] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[888.145809][T10181] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[888.146489][T10181] ___sys_sendmsg (net/socket.c:2670) 
[888.147041][T10181] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[888.147621][T10181] ? __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) 
[888.148284][T10181] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[888.148848][T10181] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.149398][T10181] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.149967][T10181] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.150545][T10181] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[888.151089][T10181] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.151690][T10181] __sys_sendmsg (net/socket.c:2700) 
[888.152223][T10181] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[888.152915][T10181] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[888.153489][T10181] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.154063][T10181] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.154627][T10181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  888.155298][T10181] RIP: 0033:0x7f677c1641e7
[ 888.155884][T10181] 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)
[  888.157813][T10181] RSP: 002b:00007ffda468c218 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  888.158644][T10181] RAX: ffffffffffffffda RBX: 00007ffda468c940 RCX: 00007f677c1641e7
[  888.159458][T10181] RDX: 0000000000000000 RSI: 00007ffda468c280 RDI: 0000000000000005
[  888.160321][T10181] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  888.161139][T10181] R10: 00007f677c061ee8 R11: 0000000000000246 R12: 0000000000000003
[  888.162048][T10181] R13: 00000000686e450e R14: 0000000000499600 R15: 0000000000000000
| [  888.311139][T10182] ------------[ cut here ]------------
| [888.312069][T10182] WARNING: CPU: 2 PID: 10182 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) 
| [  888.312774][T10182] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  888.314163][T10182] Tainted: [W]=WARN
[  888.314407][T10182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[888.314840][T10182] 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) 
[ 888.315212][T10182] 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
[  888.316378][T10182] RSP: 0018:ffffc90000b16f70 EFLAGS: 00010246
[  888.316828][T10182] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  888.317318][T10182] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  888.317845][T10182] RBP: ffffc90000b17058 R08: 0000000000000000 R09: 0000000000000000
[  888.318327][T10182] R10: ffffc90000b17088 R11: ffffffffb6f79160 R12: 1ffff92000162df2
[  888.318840][T10182] R13: 00000000000005dc R14: ffffc90000b17088 R15: ffff88800ff0af08
[  888.319347][T10182] FS:  00007fed53ca2800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[  888.319925][T10182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  888.320343][T10182] CR2: 00000000004e5ce0 CR3: 000000000b8ac001 CR4: 0000000000772ef0
[  888.320853][T10182] PKRU: 55555554
[  888.321099][T10182] Call Trace:
[  888.321344][T10182]  <TASK>
[888.321553][T10182] ? __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) 
[888.321970][T10182] ? br_del_if (net/bridge/br_if.c:742) bridge 
[888.322341][T10182] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.322681][T10182] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.323003][T10182] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[888.323326][T10182] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.323661][T10182] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.323980][T10182] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.324313][T10182] ? ___sys_sendmsg (net/socket.c:2670) 
[888.324643][T10182] ? __sys_sendmsg (net/socket.c:2700) 
[888.324960][T10182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.325282][T10182] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[888.325696][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.326036][T10182] netif_set_mtu (net/core/dev.c:9652) 
[888.326370][T10182] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[888.326722][T10182] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[888.326976][T10182] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[888.327441][T10182] br_del_if (net/bridge/br_if.c:743) bridge 
[888.327814][T10182] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[888.328140][T10182] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[888.328465][T10182] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[888.328802][T10182] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[888.329205][T10182] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[888.329546][T10182] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[888.329869][T10182] ? __kernel_text_address (kernel/extable.c:79) 
[888.330215][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.330551][T10182] ? __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) 
[888.330875][T10182] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[888.331268][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.331603][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.331927][T10182] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[888.332244][T10182] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[888.332575][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.332897][T10182] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[888.333212][T10182] ? __create_object (mm/kmemleak.c:771) 
[888.333554][T10182] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[888.333877][T10182] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[888.334205][T10182] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[888.334646][T10182] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[888.334985][T10182] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[888.335318][T10182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.335663][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.335994][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.336327][T10182] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[888.336657][T10182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.336988][T10182] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[888.337303][T10182] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[888.337672][T10182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.338007][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.338334][T10182] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[888.338675][T10182] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[888.339010][T10182] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[888.339348][T10182] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[888.339692][T10182] ? 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) 
[888.340013][T10182] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[888.340363][T10182] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[888.340695][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.341020][T10182] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[888.341343][T10182] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[888.341709][T10182] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[888.342054][T10182] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[888.342380][T10182] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[888.342758][T10182] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[888.343185][T10182] ___sys_sendmsg (net/socket.c:2670) 
[888.343527][T10182] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[888.343864][T10182] ? __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) 
[888.344261][T10182] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[888.344606][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.344932][T10182] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[888.345284][T10182] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[888.345626][T10182] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[888.345964][T10182] ? __lock_release (kernel/locking/lockdep.c:5539) 
[888.346297][T10182] __sys_sendmsg (net/socket.c:2700) 
[888.346663][T10182] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[888.347090][T10182] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[888.347430][T10182] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[888.347799][T10182] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[888.348130][T10182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  888.348555][T10182] RIP: 0033:0x7fed53e6f1e7
[ 888.348891][T10182] 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)
[  888.350055][T10182] RSP: 002b:00007fffcec67c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  888.350588][T10182] RAX: ffffffffffffffda RBX: 00007fffcec68340 RCX: 00007fed53e6f1e7
[  888.351101][T10182] RDX: 0000000000000000 RSI: 00007fffcec67c80 RDI: 0000000000000005
[  888.351600][T10182] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  888.352075][T10182] R10: 00007fed53d6cee8 R11: 0000000000000246 R12: 0000000000000003
[  888.352559][T10182] R13: 00000000686e450e R14: 0000000000499600 R15: 0000000000000000
| [  893.943127][T10187] ------------[ cut here ]------------
| [893.943437][T10187] WARNING: CPU: 1 PID: 10187 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) 
| [  893.944050][T10187] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  893.945396][T10187] Tainted: [W]=WARN
[  893.945636][T10187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[893.946017][T10187] 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) 
[ 893.946330][T10187] 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
[  893.947430][T10187] RSP: 0018:ffffc90000686ef0 EFLAGS: 00010246
[  893.947824][T10187] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  893.948281][T10187] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  893.948747][T10187] RBP: ffffc90000686fe0 R08: 0000000000000000 R09: 0000000000000000
[  893.949205][T10187] R10: ffffc90000687010 R11: ffffffffb78a8918 R12: 1ffff920000d0de2
[  893.949670][T10187] R13: 00000000000005dc R14: ffffc90000687010 R15: ffff88800ff0af08
[  893.950135][T10187] FS:  00007fcf44349800(0000) GS:ffff88807d737000(0000) knlGS:0000000000000000
[  893.950679][T10187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  893.951066][T10187] CR2: 00000000004e5ce0 CR3: 000000000fc49004 CR4: 0000000000772ef0
[  893.951543][T10187] PKRU: 55555554
[  893.951775][T10187] Call Trace:
[  893.952005][T10187]  <TASK>
[893.952163][T10187] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[893.952469][T10187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[893.952803][T10187] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[893.953127][T10187] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[893.953541][T10187] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[893.953869][T10187] netif_set_mtu (net/core/dev.c:9652) 
[893.954191][T10187] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[893.954535][T10187] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[893.954991][T10187] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[893.955234][T10187] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[893.955681][T10187] br_add_if (net/bridge/br_if.c:697) bridge 
[893.956058][T10187] do_set_master (net/core/rtnetlink.c:2948) 
[893.956387][T10187] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[893.956723][T10187] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[893.957135][T10187] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[893.957463][T10187] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[893.957794][T10187] ? __kernel_text_address (kernel/extable.c:79) 
[893.958109][T10187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[893.958421][T10187] ? __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) 
[893.958742][T10187] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[893.959120][T10187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[893.959427][T10187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[893.959745][T10187] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[893.960049][T10187] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[893.960364][T10187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[893.960685][T10187] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[893.960991][T10187] ? __create_object (mm/kmemleak.c:771) 
[893.961302][T10187] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[893.961621][T10187] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[893.961927][T10187] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[893.962309][T10187] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[893.962631][T10187] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[893.962943][T10187] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[893.963251][T10187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[893.963584][T10187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[893.963890][T10187] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[893.964194][T10187] ? __lock_release (kernel/locking/lockdep.c:5539) 
[893.964507][T10187] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[893.964840][T10187] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[893.965146][T10187] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[893.965457][T10187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[893.965783][T10187] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[893.966094][T10187] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[893.966401][T10187] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[893.966729][T10187] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[893.967035][T10187] ? 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) 
[893.967341][T10187] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[893.967661][T10187] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[893.967972][T10187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[893.968284][T10187] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[893.968609][T10187] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[893.968917][T10187] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[893.969230][T10187] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[893.969553][T10187] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[893.969859][T10187] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[893.970270][T10187] ___sys_sendmsg (net/socket.c:2670) 
[893.970587][T10187] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[893.970892][T10187] ? __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) 
[893.971273][T10187] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[893.971594][T10187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[893.971901][T10187] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[893.972210][T10187] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[893.972537][T10187] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[893.972844][T10187] ? __lock_release (kernel/locking/lockdep.c:5539) 
[893.973159][T10187] __sys_sendmsg (net/socket.c:2700) 
[893.973460][T10187] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[893.973849][T10187] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[893.974167][T10187] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[893.974474][T10187] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[893.974796][T10187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  893.975173][T10187] RIP: 0033:0x7fcf445161e7
[ 893.975493][T10187] 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)
[  893.976590][T10187] RSP: 002b:00007ffe27c58ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  893.977104][T10187] RAX: ffffffffffffffda RBX: 00007ffe27c59720 RCX: 00007fcf445161e7
[  893.977573][T10187] RDX: 0000000000000000 RSI: 00007ffe27c59060 RDI: 0000000000000005
[  893.978032][T10187] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  893.978496][T10187] R10: 0000000012cdb910 R11: 0000000000000246 R12: 0000000000000004
[  893.978971][T10187] R13: 00000000686e4514 R14: 0000000000499600 R15: 0000000000000000
| [  894.236882][T10189] ------------[ cut here ]------------
| [894.237221][T10189] WARNING: CPU: 2 PID: 10189 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) 
| [  894.237855][T10189] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [  894.239237][T10189] Tainted: [W]=WARN
[  894.239489][T10189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[894.239907][T10189] 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) 
[ 894.240269][T10189] 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
[  894.241429][T10189] RSP: 0018:ffffc90000666ef0 EFLAGS: 00010246
[  894.241858][T10189] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[  894.242362][T10189] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[  894.242868][T10189] RBP: ffffc90000666fe0 R08: 0000000000000000 R09: 0000000000000000
[  894.243365][T10189] R10: ffffc90000667010 R11: ffffffffb78a8918 R12: 1ffff920000ccde2
[  894.244021][T10189] R13: 00000000000005dc R14: ffffc90000667010 R15: ffff88800ff0af08
[  894.244636][T10189] FS:  00007f49dced5800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[  894.245216][T10189] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  894.245644][T10189] CR2: 00000000004e5de8 CR3: 0000000013742002 CR4: 0000000000772ef0
[  894.246140][T10189] PKRU: 55555554
[  894.246400][T10189] Call Trace:
[  894.246687][T10189]  <TASK>
[894.246870][T10189] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[894.247207][T10189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.247576][T10189] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[894.247913][T10189] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[894.248321][T10189] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[894.248653][T10189] netif_set_mtu (net/core/dev.c:9652) 
[894.248986][T10189] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[894.249316][T10189] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[894.249779][T10189] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[894.250028][T10189] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[894.250473][T10189] br_add_if (net/bridge/br_if.c:697) bridge 
[894.250852][T10189] do_set_master (net/core/rtnetlink.c:2948) 
[894.251179][T10189] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[894.251504][T10189] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[894.251930][T10189] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[894.252251][T10189] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[894.252579][T10189] ? __kernel_text_address (kernel/extable.c:79) 
[894.252907][T10189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.253240][T10189] ? __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) 
[894.253578][T10189] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[894.253969][T10189] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.254291][T10189] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.254628][T10189] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[894.254948][T10189] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[894.255267][T10189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.255607][T10189] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[894.255958][T10189] ? __create_object (mm/kmemleak.c:771) 
[894.256290][T10189] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[894.256620][T10189] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[894.256946][T10189] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[894.257336][T10189] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[894.257677][T10189] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[894.258003][T10189] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.258322][T10189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.258658][T10189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.258986][T10189] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[894.259303][T10189] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.259645][T10189] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[894.259966][T10189] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[894.260297][T10189] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.260632][T10189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.260961][T10189] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[894.261290][T10189] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[894.261622][T10189] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[894.261958][T10189] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[894.262275][T10189] ? 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) 
[894.262608][T10189] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[894.262936][T10189] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[894.263253][T10189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.263602][T10189] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[894.263930][T10189] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[894.264267][T10189] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[894.264619][T10189] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[894.264961][T10189] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[894.265292][T10189] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[894.265726][T10189] ___sys_sendmsg (net/socket.c:2670) 
[894.266060][T10189] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[894.266397][T10189] ? __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) 
[894.266827][T10189] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[894.267151][T10189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.267470][T10189] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[894.267816][T10189] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[894.268137][T10189] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[894.268460][T10189] ? __lock_release (kernel/locking/lockdep.c:5539) 
[894.268806][T10189] __sys_sendmsg (net/socket.c:2700) 
[894.269124][T10189] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[894.269527][T10189] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[894.269860][T10189] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[894.270193][T10189] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[894.270526][T10189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  894.270921][T10189] RIP: 0033:0x7f49dd0a21e7
[ 894.271260][T10189] 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)
[  894.272387][T10189] RSP: 002b:00007ffead211918 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  894.272880][T10189] RAX: ffffffffffffffda RBX: 00007ffead212040 RCX: 00007f49dd0a21e7
[  894.273362][T10189] RDX: 0000000000000000 RSI: 00007ffead211980 RDI: 0000000000000005
[  894.273844][T10189] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  894.274317][T10189] R10: 000000002bdfa910 R11: 0000000000000246 R12: 0000000000000004
[  894.274801][T10189] R13: 00000000686e4514 R14: 0000000000499600 R15: 0000000000000000
| [ 1038.589112][T12094] ------------[ cut here ]------------
| [1038.589477][T12094] WARNING: CPU: 0 PID: 12094 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) 
| [ 1038.590133][T12094] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1038.591568][T12094] Tainted: [W]=WARN
[ 1038.591820][T12094] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1038.592215][T12094] 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) 
[ 1038.592557][T12094] 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
[ 1038.593847][T12094] RSP: 0018:ffffc9000a4b6f70 EFLAGS: 00010246
[ 1038.594257][T12094] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[ 1038.594764][T12094] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[ 1038.595336][T12094] RBP: ffffc9000a4b7058 R08: 0000000000000000 R09: 0000000000000000
[ 1038.595845][T12094] R10: ffffc9000a4b7088 R11: ffffffffb6f79160 R12: 1ffff92001496df2
[ 1038.596332][T12094] R13: 00000000000005dc R14: ffffc9000a4b7088 R15: ffff88800ff0af08
[ 1038.596850][T12094] FS:  00007f969c815800(0000) GS:ffff88807d6b7000(0000) knlGS:0000000000000000
[ 1038.597422][T12094] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1038.597852][T12094] CR2: 00000000004e5ab0 CR3: 000000000fc17004 CR4: 0000000000772ef0
[ 1038.598349][T12094] PKRU: 55555554
[ 1038.598592][T12094] Call Trace:
[ 1038.598830][T12094]  <TASK>
[1038.599001][T12094] ? __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) 
[1038.599392][T12094] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1038.599776][T12094] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1038.600092][T12094] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1038.600419][T12094] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1038.600762][T12094] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1038.601092][T12094] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1038.601403][T12094] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1038.601730][T12094] ? ___sys_sendmsg (net/socket.c:2670) 
[1038.602043][T12094] ? __sys_sendmsg (net/socket.c:2700) 
[1038.602361][T12094] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1038.602681][T12094] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1038.603171][T12094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1038.603495][T12094] netif_set_mtu (net/core/dev.c:9652) 
[1038.603846][T12094] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1038.604174][T12094] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1038.604406][T12094] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1038.604866][T12094] br_del_if (net/bridge/br_if.c:743) bridge 
[1038.605213][T12094] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1038.605536][T12094] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1038.605861][T12094] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1038.606170][T12094] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1038.606566][T12094] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1038.606886][T12094] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1038.607195][T12094] ? __kernel_text_address (kernel/extable.c:79) 
[1038.607528][T12094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1038.607864][T12094] ? __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) 
[1038.608174][T12094] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1038.608582][T12094] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1038.608913][T12094] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1038.609242][T12094] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1038.609561][T12094] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1038.609881][T12094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1038.610187][T12094] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1038.610500][T12094] ? __create_object (mm/kmemleak.c:771) 
[1038.610832][T12094] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1038.611137][T12094] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1038.611441][T12094] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1038.611844][T12094] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1038.612175][T12094] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1038.612531][T12094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1038.612900][T12094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1038.613216][T12094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1038.613538][T12094] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1038.613863][T12094] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1038.614172][T12094] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1038.614482][T12094] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1038.614845][T12094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1038.615161][T12094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1038.615474][T12094] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1038.615811][T12094] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1038.616122][T12094] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1038.616446][T12094] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1038.616872][T12094] ? 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) 
[1038.617368][T12094] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1038.617696][T12094] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1038.618051][T12094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1038.618376][T12094] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1038.618695][T12094] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1038.619019][T12094] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1038.619335][T12094] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1038.619655][T12094] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1038.619976][T12094] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1038.620388][T12094] ___sys_sendmsg (net/socket.c:2670) 
[1038.620767][T12094] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1038.621079][T12094] ? __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) 
[1038.621460][T12094] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1038.621797][T12094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1038.622110][T12094] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1038.622420][T12094] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1038.622753][T12094] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1038.623072][T12094] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1038.623384][T12094] __sys_sendmsg (net/socket.c:2700) 
[1038.623694][T12094] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1038.624089][T12094] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1038.624407][T12094] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1038.624786][T12094] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1038.625123][T12094] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1038.625522][T12094] RIP: 0033:0x7f969c9e21e7
[ 1038.625867][T12094] 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)
[ 1038.626985][T12094] RSP: 002b:00007ffda8842248 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1038.627473][T12094] RAX: ffffffffffffffda RBX: 00007ffda8842970 RCX: 00007f969c9e21e7
[ 1038.627962][T12094] RDX: 0000000000000000 RSI: 00007ffda88422b0 RDI: 0000000000000005
[ 1038.628429][T12094] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1038.628961][T12094] R10: 00007f969c8dfee8 R11: 0000000000000246 R12: 0000000000000003
[ 1038.629427][T12094] R13: 00000000686e45a5 R14: 0000000000499600 R15: 0000000000000000
| [ 1039.114384][T12098] ------------[ cut here ]------------
| [1039.115814][T12098] WARNING: CPU: 2 PID: 12098 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) 
| [ 1039.116488][T12098] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1039.117917][T12098] Tainted: [W]=WARN
[ 1039.118167][T12098] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1039.118569][T12098] 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) 
[ 1039.118919][T12098] 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
[ 1039.120054][T12098] RSP: 0018:ffffc90008ac6f70 EFLAGS: 00010246
[ 1039.120473][T12098] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[ 1039.120960][T12098] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[ 1039.121430][T12098] RBP: ffffc90008ac7058 R08: 0000000000000000 R09: 0000000000000000
[ 1039.121911][T12098] R10: ffffc90008ac7088 R11: ffffffffb6f79160 R12: 1ffff92001158df2
[ 1039.122384][T12098] R13: 00000000000005dc R14: ffffc90008ac7088 R15: ffff88800ff0af08
[ 1039.122859][T12098] FS:  00007f432f30d800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[ 1039.123408][T12098] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1039.123816][T12098] CR2: 00000000004e5aa8 CR3: 0000000002884003 CR4: 0000000000772ef0
[ 1039.124326][T12098] PKRU: 55555554
[ 1039.124586][T12098] Call Trace:
[ 1039.124832][T12098]  <TASK>
[1039.125029][T12098] ? __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) 
[1039.125435][T12098] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1039.125829][T12098] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1039.126150][T12098] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1039.126467][T12098] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1039.126793][T12098] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1039.127116][T12098] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1039.127427][T12098] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1039.127763][T12098] ? ___sys_sendmsg (net/socket.c:2670) 
[1039.128115][T12098] ? __sys_sendmsg (net/socket.c:2700) 
[1039.128448][T12098] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1039.128779][T12098] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1039.129172][T12098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.129499][T12098] netif_set_mtu (net/core/dev.c:9652) 
[1039.129831][T12098] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1039.130166][T12098] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1039.130433][T12098] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1039.130888][T12098] br_del_if (net/bridge/br_if.c:743) bridge 
[1039.131243][T12098] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1039.131571][T12098] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1039.131896][T12098] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1039.132257][T12098] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1039.132672][T12098] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1039.132998][T12098] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1039.133315][T12098] ? __kernel_text_address (kernel/extable.c:79) 
[1039.133647][T12098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.133968][T12098] ? __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) 
[1039.134286][T12098] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1039.134686][T12098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.135014][T12098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.135340][T12098] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1039.135666][T12098] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1039.135998][T12098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.136336][T12098] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1039.136662][T12098] ? __create_object (mm/kmemleak.c:771) 
[1039.136987][T12098] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1039.137304][T12098] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1039.137630][T12098] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1039.138035][T12098] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1039.138359][T12098] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1039.138694][T12098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1039.139014][T12098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.139335][T12098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.139664][T12098] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1039.139979][T12098] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1039.140350][T12098] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1039.140689][T12098] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1039.141020][T12098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1039.141370][T12098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.141709][T12098] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1039.142071][T12098] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1039.142394][T12098] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1039.142733][T12098] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1039.143069][T12098] ? 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) 
[1039.143387][T12098] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1039.143720][T12098] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1039.144051][T12098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.144376][T12098] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1039.144707][T12098] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1039.145062][T12098] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1039.145400][T12098] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1039.145752][T12098] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1039.146111][T12098] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1039.146527][T12098] ___sys_sendmsg (net/socket.c:2670) 
[1039.146845][T12098] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1039.147180][T12098] ? __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) 
[1039.147583][T12098] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1039.147911][T12098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.148245][T12098] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.148585][T12098] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.148935][T12098] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1039.149270][T12098] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1039.149624][T12098] __sys_sendmsg (net/socket.c:2700) 
[1039.149939][T12098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1039.150362][T12098] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1039.150710][T12098] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.151073][T12098] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1039.151397][T12098] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1039.151847][T12098] RIP: 0033:0x7f432f4da1e7
[ 1039.152430][T12098] 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)
[ 1039.154323][T12098] RSP: 002b:00007ffd43232fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1039.155179][T12098] RAX: ffffffffffffffda RBX: 00007ffd43233700 RCX: 00007f432f4da1e7
[ 1039.156034][T12098] RDX: 0000000000000000 RSI: 00007ffd43233040 RDI: 0000000000000005
[ 1039.156889][T12098] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1039.157757][T12098] R10: 00007f432f3d7ee8 R11: 0000000000000246 R12: 0000000000000003
[ 1039.158616][T12098] R13: 00000000686e45a5 R14: 0000000000499600 R15: 0000000000000000
| [ 1039.457739][T12100] ------------[ cut here ]------------
| [1039.458105][T12100] WARNING: CPU: 2 PID: 12100 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) 
| [ 1039.458770][T12100] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1039.460162][T12100] Tainted: [W]=WARN
[ 1039.460424][T12100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1039.462294][T12100] 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) 
[ 1039.462656][T12100] 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
[ 1039.463782][T12100] RSP: 0018:ffffc900088c6f70 EFLAGS: 00010246
[ 1039.464189][T12100] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[ 1039.464688][T12100] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[ 1039.465165][T12100] RBP: ffffc900088c7058 R08: 0000000000000000 R09: 0000000000000000
[ 1039.465651][T12100] R10: ffffc900088c7088 R11: ffffffffb6f79160 R12: 1ffff92001118df2
[ 1039.466131][T12100] R13: 00000000000005dc R14: ffffc900088c7088 R15: ffff88800ff0af08
[ 1039.466624][T12100] FS:  00007fd0d9ba8800(0000) GS:ffff88807d7b7000(0000) knlGS:0000000000000000
[ 1039.467179][T12100] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1039.467600][T12100] CR2: 00000000004e5de8 CR3: 00000000133ad005 CR4: 0000000000772ef0
[ 1039.468080][T12100] PKRU: 55555554
[ 1039.468328][T12100] Call Trace:
[ 1039.468585][T12100]  <TASK>
[1039.468767][T12100] ? __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) 
[1039.469170][T12100] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1039.469565][T12100] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1039.469890][T12100] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1039.470212][T12100] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1039.470556][T12100] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1039.470888][T12100] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1039.471216][T12100] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1039.471557][T12100] ? ___sys_sendmsg (net/socket.c:2670) 
[1039.471881][T12100] ? __sys_sendmsg (net/socket.c:2700) 
[1039.472199][T12100] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1039.472535][T12100] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1039.472935][T12100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.473275][T12100] netif_set_mtu (net/core/dev.c:9652) 
[1039.473617][T12100] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1039.473967][T12100] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1039.474218][T12100] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1039.474679][T12100] br_del_if (net/bridge/br_if.c:743) bridge 
[1039.475037][T12100] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1039.475363][T12100] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1039.475710][T12100] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1039.476039][T12100] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1039.476454][T12100] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1039.476811][T12100] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1039.477135][T12100] ? __kernel_text_address (kernel/extable.c:79) 
[1039.477473][T12100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.477811][T12100] ? __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) 
[1039.478137][T12100] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1039.478555][T12100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.478898][T12100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.479223][T12100] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1039.479559][T12100] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1039.479886][T12100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.480214][T12100] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1039.480561][T12100] ? __create_object (mm/kmemleak.c:771) 
[1039.480892][T12100] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1039.481219][T12100] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1039.481591][T12100] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1039.482047][T12100] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1039.482390][T12100] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1039.482754][T12100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1039.483080][T12100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.483411][T12100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.483759][T12100] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1039.484080][T12100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1039.484415][T12100] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1039.484747][T12100] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1039.485089][T12100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1039.485423][T12100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.485774][T12100] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1039.486106][T12100] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1039.486433][T12100] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1039.486798][T12100] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1039.487130][T12100] ? 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) 
[1039.487464][T12100] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1039.487806][T12100] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1039.488141][T12100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.488480][T12100] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1039.488833][T12100] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1039.489169][T12100] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1039.489524][T12100] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1039.489859][T12100] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1039.490182][T12100] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1039.490629][T12100] ___sys_sendmsg (net/socket.c:2670) 
[1039.490953][T12100] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1039.491278][T12100] ? __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) 
[1039.491708][T12100] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1039.492040][T12100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.492374][T12100] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1039.492729][T12100] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1039.493068][T12100] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1039.493395][T12100] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1039.493749][T12100] __sys_sendmsg (net/socket.c:2700) 
[1039.494070][T12100] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1039.494478][T12100] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1039.494832][T12100] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1039.495166][T12100] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1039.495525][T12100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1039.495936][T12100] RIP: 0033:0x7fd0d9d751e7
[ 1039.496283][T12100] 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)
[ 1039.497450][T12100] RSP: 002b:00007ffd51a3f088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1039.497959][T12100] RAX: ffffffffffffffda RBX: 00007ffd51a3f7b0 RCX: 00007fd0d9d751e7
[ 1039.498438][T12100] RDX: 0000000000000000 RSI: 00007ffd51a3f0f0 RDI: 0000000000000005
[ 1039.498942][T12100] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1039.499425][T12100] R10: 00007fd0d9c72ee8 R11: 0000000000000246 R12: 0000000000000003
[ 1039.499930][T12100] R13: 00000000686e45a6 R14: 0000000000499600 R15: 0000000000000000
| [ 1040.019149][T12104] ------------[ cut here ]------------
| [1040.019485][T12104] WARNING: CPU: 3 PID: 12104 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) 
| [ 1040.020428][T12104] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
| [ 1040.021801][T12104] Tainted: [W]=WARN
[ 1040.022033][T12104] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[1040.022415][T12104] 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) 
[ 1040.022750][T12104] 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
[ 1040.023859][T12104] RSP: 0018:ffffc900087f6f70 EFLAGS: 00010246
[ 1040.024250][T12104] RAX: 0000000000000000 RBX: ffff88800ff0a000 RCX: 0000000000000001
[ 1040.024719][T12104] RDX: 0000000000000000 RSI: ffffffffb6a9b941 RDI: ffffffffb62555e0
[ 1040.025189][T12104] RBP: ffffc900087f7058 R08: 0000000000000000 R09: 0000000000000000
[ 1040.025662][T12104] R10: ffffc900087f7088 R11: ffffffffb6f79160 R12: 1ffff920010fedf2
[ 1040.026120][T12104] R13: 00000000000005dc R14: ffffc900087f7088 R15: ffff88800ff0af08
[ 1040.026585][T12104] FS:  00007fd18315c800(0000) GS:ffff88807d837000(0000) knlGS:0000000000000000
[ 1040.027123][T12104] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1040.027505][T12104] CR2: 00000000004e5ce0 CR3: 0000000012cd2005 CR4: 0000000000772ef0
[ 1040.028006][T12104] PKRU: 55555554
[ 1040.028237][T12104] Call Trace:
[ 1040.028473][T12104]  <TASK>
[1040.028637][T12104] ? __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) 
[1040.029032][T12104] ? br_del_if (net/bridge/br_if.c:742) bridge 
[1040.029385][T12104] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1040.029700][T12104] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1040.030005][T12104] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[1040.030308][T12104] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1040.030637][T12104] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1040.030940][T12104] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1040.031247][T12104] ? ___sys_sendmsg (net/socket.c:2670) 
[1040.031578][T12104] ? __sys_sendmsg (net/socket.c:2700) 
[1040.031883][T12104] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1040.032190][T12104] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[1040.032605][T12104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1040.032933][T12104] netif_set_mtu (net/core/dev.c:9652) 
[1040.033256][T12104] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[1040.033606][T12104] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[1040.033862][T12104] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[1040.034311][T12104] br_del_if (net/bridge/br_if.c:743) bridge 
[1040.034681][T12104] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[1040.035006][T12104] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[1040.035338][T12104] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[1040.035686][T12104] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[1040.036096][T12104] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[1040.036429][T12104] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[1040.036766][T12104] ? __kernel_text_address (kernel/extable.c:79) 
[1040.037090][T12104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1040.037414][T12104] ? __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) 
[1040.037741][T12104] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[1040.038138][T12104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1040.038462][T12104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1040.038798][T12104] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[1040.039124][T12104] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[1040.039449][T12104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1040.039780][T12104] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[1040.040087][T12104] ? __create_object (mm/kmemleak.c:771) 
[1040.040435][T12104] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[1040.040767][T12104] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[1040.041087][T12104] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[1040.041492][T12104] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[1040.041812][T12104] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[1040.042131][T12104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1040.042452][T12104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1040.042775][T12104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1040.043088][T12104] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[1040.043397][T12104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1040.043734][T12104] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[1040.044050][T12104] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[1040.044357][T12104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1040.044676][T12104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1040.045000][T12104] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[1040.045306][T12104] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[1040.045620][T12104] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[1040.045939][T12104] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[1040.046254][T12104] ? 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) 
[1040.046570][T12104] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[1040.046977][T12104] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[1040.047294][T12104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1040.047635][T12104] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[1040.047951][T12104] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[1040.048262][T12104] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[1040.048601][T12104] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[1040.048914][T12104] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[1040.049219][T12104] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[1040.049647][T12104] ___sys_sendmsg (net/socket.c:2670) 
[1040.049961][T12104] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[1040.050269][T12104] ? __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) 
[1040.050698][T12104] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[1040.051022][T12104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1040.051351][T12104] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[1040.051704][T12104] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[1040.052033][T12104] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[1040.052341][T12104] ? __lock_release (kernel/locking/lockdep.c:5539) 
[1040.052676][T12104] __sys_sendmsg (net/socket.c:2700) 
[1040.052985][T12104] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[1040.053366][T12104] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[1040.053712][T12104] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[1040.054029][T12104] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[1040.054352][T12104] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1040.054752][T12104] RIP: 0033:0x7fd1833291e7
[ 1040.055078][T12104] 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)
[ 1040.056227][T12104] RSP: 002b:00007ffc020a8768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1040.056723][T12104] RAX: ffffffffffffffda RBX: 00007ffc020a8e90 RCX: 00007fd1833291e7
[ 1040.057199][T12104] RDX: 0000000000000000 RSI: 00007ffc020a87d0 RDI: 0000000000000005
[ 1040.057680][T12104] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[ 1040.058159][T12104] R10: 00007fd183226ee8 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