======================================
| [   22.249002][  T330] br1: port 1(vx1) entered forwarding state
| [   22.250918][  T330] ------------[ cut here ]------------
| [ 22.251247][ T330] WARNING: CPU: 3 PID: 330 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) 
| [   22.253235][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[   22.254482][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.254913][ T330] 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) 
[ 22.255257][ T330] 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
[   22.256423][  T330] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   22.256839][  T330] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[   22.257313][  T330] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   22.257795][  T330] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.258272][  T330] R10: ffffc90000587010 R11: ffffffff8c0a8918 R12: 1ffff920000b0de2
[   22.258784][  T330] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff8880136eaf08
[   22.259271][  T330] FS:  00007f95074c9800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[   22.259839][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.260239][  T330] CR2: 00000000004e5760 CR3: 0000000015478006 CR4: 0000000000772ef0
[   22.260713][  T330] PKRU: 55555554
[   22.260947][  T330] Call Trace:
[   22.261193][  T330]  <TASK>
[ 22.261362][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.261893][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.262232][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.262580][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.262977][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.263307][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 22.263668][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.264006][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.264468][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.264725][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.265179][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.265563][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.265882][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.266211][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.266627][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.266948][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.267265][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.267601][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.267950][ T330] ? __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) 
[ 22.268269][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.268681][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.268999][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.269320][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.269645][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.269987][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.270306][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.270631][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 22.270957][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.271297][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.271648][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.272062][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.272409][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.272752][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.273091][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.273432][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.273762][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.274086][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.274419][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.274760][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.275098][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.275415][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.275780][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.276105][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.276704][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.277037][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.277352][ T330] ? 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) 
[ 22.277678][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.278027][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.278339][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.278676][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.279012][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.279563][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.279901][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.280242][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.280580][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.280997][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 22.281315][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.281654][ T330] ? __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) 
[ 22.282067][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.282382][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.282937][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.283291][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.283615][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.283935][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.284495][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 22.284828][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.285222][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.285558][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.285872][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.286187][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.286605][  T330] RIP: 0033:0x7f95076961e7
[ 22.286935][ T330] 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)
[   22.288074][  T330] RSP: 002b:00007ffcd0bf23c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.288559][  T330] RAX: ffffffffffffffda RBX: 00007ffcd0bf2af0 RCX: 00007f95076961e7
[   22.289036][  T330] RDX: 0000000000000000 RSI: 00007ffcd0bf2430 RDI: 0000000000000005
[   22.289520][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.289994][  T330] R10: 000000003ddaf910 R11: 0000000000000246 R12: 0000000000000004
[   22.290467][  T330] R13: 00000000686e18b4 R14: 0000000000499600 R15: 0000000000000000
| [   22.445167][  T331] ------------[ cut here ]------------
| [ 22.445479][ T331] WARNING: CPU: 3 PID: 331 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) 
| [   22.446189][  T331] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   22.447381][  T331] Tainted: [W]=WARN
[   22.447625][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.448010][ T331] 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) 
[ 22.448324][ T331] 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
[   22.449429][  T331] RSP: 0018:ffffc90000556ef0 EFLAGS: 00010246
[   22.449825][  T331] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[   22.450288][  T331] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   22.450759][  T331] RBP: ffffc90000556fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.451220][  T331] R10: ffffc90000557010 R11: ffffffff8c0a8918 R12: 1ffff920000aade2
[   22.451693][  T331] R13: 00000000000005dc R14: ffffc90000557010 R15: ffff8880136eaf08
[   22.452151][  T331] FS:  00007ffbc3d1f800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[   22.452695][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.453096][  T331] CR2: 00000000004e5aa8 CR3: 0000000011914002 CR4: 0000000000772ef0
[   22.453568][  T331] PKRU: 55555554
[   22.453799][  T331] Call Trace:
[   22.454030][  T331]  <TASK>
[ 22.454190][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.454514][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.454827][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.455132][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.455527][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.455865][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 22.456173][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.456510][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.456944][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.457177][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.457638][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.458000][ T331] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.458312][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.458646][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.459037][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.459342][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.459657][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.459972][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.460286][ T331] ? __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) 
[ 22.460601][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.460991][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.461307][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.461622][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.461929][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.462240][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.462557][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.462866][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 22.463190][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.463530][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.463839][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.464221][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.464541][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.464857][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.465168][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.465477][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.465799][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.466108][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.466417][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.466737][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.467052][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.467367][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.467688][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.467999][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.468422][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.468756][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.469065][ T331] ? 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) 
[ 22.469372][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.469692][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.470001][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.470313][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.470640][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.470950][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.471265][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.471584][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.471897][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.472291][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 22.472612][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.472920][ T331] ? __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) 
[ 22.473368][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.473688][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.473996][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.474315][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.474629][ T331] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.474937][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.475250][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 22.475568][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.475945][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.476262][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.476589][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.476901][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.477285][  T331] RIP: 0033:0x7ffbc3eec1e7
[ 22.477610][ T331] 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)
[   22.478735][  T331] RSP: 002b:00007ffe38bfca48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.479208][  T331] RAX: ffffffffffffffda RBX: 00007ffe38bfd170 RCX: 00007ffbc3eec1e7
[   22.479675][  T331] RDX: 0000000000000000 RSI: 00007ffe38bfcab0 RDI: 0000000000000005
[   22.480138][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.480606][  T331] R10: 000000000a8e9910 R11: 0000000000000246 R12: 0000000000000004
[   22.481069][  T331] R13: 00000000686e18b5 R14: 0000000000499600 R15: 0000000000000000
| [   22.910522][  T334] ------------[ cut here ]------------
| [ 22.910947][ T334] WARNING: CPU: 2 PID: 334 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) 
| [   22.911620][  T334] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   22.912972][  T334] Tainted: [W]=WARN
[   22.913241][  T334] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.913651][ T334] 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) 
[ 22.914000][ T334] 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
[   22.915180][  T334] RSP: 0018:ffffc900006c6ef0 EFLAGS: 00010246
[   22.916341][  T334] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[   22.916877][  T334] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   22.917354][  T334] RBP: ffffc900006c6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.917864][  T334] R10: ffffc900006c7010 R11: ffffffff8c0a8918 R12: 1ffff920000d8de2
[   22.918338][  T334] R13: 00000000000005dc R14: ffffc900006c7010 R15: ffff8880136eaf08
[   22.918889][  T334] FS:  00007ff000a82800(0000) GS:ffff8880a8fb7000(0000) knlGS:0000000000000000
[   22.919449][  T334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.919879][  T334] CR2: 00000000004e5ab0 CR3: 000000001307f003 CR4: 0000000000772ef0
[   22.920357][  T334] PKRU: 55555554
[   22.920612][  T334] Call Trace:
[   22.920875][  T334]  <TASK>
[ 22.921052][ T334] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.921374][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.921782][ T334] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.922230][ T334] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.922727][ T334] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.923088][ T334] netif_set_mtu (net/core/dev.c:9652) 
[ 22.923435][ T334] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.923800][ T334] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.924305][ T334] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.924609][ T334] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.925096][ T334] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.925495][ T334] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.925870][ T334] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.926240][ T334] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.926728][ T334] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.927076][ T334] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.927411][ T334] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.927772][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.928114][ T334] ? __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) 
[ 22.928476][ T334] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.928902][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.929263][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.929608][ T334] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.929945][ T334] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.930294][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.930680][ T334] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.931020][ T334] ? __create_object (mm/kmemleak.c:771) 
[ 22.931355][ T334] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.931700][ T334] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.932069][ T334] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.932543][ T334] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.932872][ T334] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.933219][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.933548][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.933883][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.934204][ T334] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.934535][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.934859][ T334] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.935177][ T334] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.935508][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.935842][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.936165][ T334] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.936486][ T334] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.936815][ T334] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.937151][ T334] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.937471][ T334] ? 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) 
[ 22.937813][ T334] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.938144][ T334] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.938463][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.938798][ T334] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.939123][ T334] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.939451][ T334] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.939802][ T334] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.940142][ T334] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.940462][ T334] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.940882][ T334] ___sys_sendmsg (net/socket.c:2670) 
[ 22.941202][ T334] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.941540][ T334] ? __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) 
[ 22.941942][ T334] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.942282][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.942616][ T334] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.942957][ T334] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.943293][ T334] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.943620][ T334] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.943948][ T334] __sys_sendmsg (net/socket.c:2700) 
[ 22.944266][ T334] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.944680][ T334] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.945023][ T334] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.945358][ T334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.945700][ T334] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.946145][  T334] RIP: 0033:0x7ff000c4f1e7
[ 22.946483][ T334] 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)
[   22.947608][  T334] RSP: 002b:00007ffec1a16238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.948383][  T334] RAX: ffffffffffffffda RBX: 00007ffec1a16960 RCX: 00007ff000c4f1e7
[   22.949254][  T334] RDX: 0000000000000000 RSI: 00007ffec1a162a0 RDI: 0000000000000005
[   22.950098][  T334] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.950947][  T334] R10: 00000000367c9910 R11: 0000000000000246 R12: 0000000000000004
[   22.951811][  T334] R13: 00000000686e18b5 R14: 0000000000499600 R15: 0000000000000000
| [   27.467758][  T381] ------------[ cut here ]------------
| [ 27.468120][ T381] WARNING: CPU: 3 PID: 381 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) 
| [   27.468977][  T381] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   27.470459][  T381] Tainted: [W]=WARN
[   27.470924][  T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.471356][ T381] 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) 
[ 27.471911][ T381] 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
[   27.473228][  T381] RSP: 0018:ffffc900008d6ef0 EFLAGS: 00010246
[   27.473672][  T381] RAX: 0000000000000000 RBX: ffff8880115c2000 RCX: 0000000000000001
[   27.474179][  T381] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   27.474719][  T381] RBP: ffffc900008d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   27.475234][  T381] R10: ffffc900008d7010 R11: ffffffff8b779160 R12: 1ffff9200011ade2
[   27.475763][  T381] R13: 00000000000005dc R14: ffffc900008d7010 R15: ffff8880115c2f08
[   27.476292][  T381] FS:  00007f5ca8320800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[   27.476905][  T381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.477336][  T381] CR2: 00000000004e6898 CR3: 0000000004d22001 CR4: 0000000000772ef0
[   27.477846][  T381] PKRU: 55555554
[   27.478103][  T381] Call Trace:
[   27.478370][  T381]  <TASK>
[ 27.478555][ T381] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 27.478914][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.479263][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.479622][ T381] netif_set_mtu (net/core/dev.c:9652) 
[ 27.479957][ T381] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 27.480307][ T381] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 27.480580][ T381] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 27.481058][ T381] br_add_if (net/bridge/br_if.c:697) bridge 
[ 27.481445][ T381] do_set_master (net/core/rtnetlink.c:2948) 
[ 27.481797][ T381] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 27.482140][ T381] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 27.482585][ T381] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 27.482929][ T381] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 27.483282][ T381] ? __kernel_text_address (kernel/extable.c:79) 
[ 27.483637][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.483959][ T381] ? __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) 
[ 27.484278][ T381] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 27.484704][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.485035][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.485353][ T381] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 27.485693][ T381] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 27.486038][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.486362][ T381] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 27.486687][ T381] ? __create_object (mm/kmemleak.c:771) 
[ 27.487013][ T381] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 27.487332][ T381] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 27.487673][ T381] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 27.488071][ T381] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 27.488400][ T381] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 27.488742][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.489060][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.489383][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.489710][ T381] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 27.490028][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.490346][ T381] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 27.490674][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 27.491004][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.491327][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.491674][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 27.491998][ T381] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 27.492317][ T381] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 27.492658][ T381] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 27.492984][ T381] ? 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) 
[ 27.493316][ T381] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 27.493645][ T381] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 27.493959][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.494283][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 27.494634][ T381] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 27.494985][ T381] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 27.495336][ T381] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 27.495708][ T381] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 27.496047][ T381] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 27.496471][ T381] ___sys_sendmsg (net/socket.c:2670) 
[ 27.496799][ T381] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 27.497127][ T381] ? __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) 
[ 27.497534][ T381] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 27.497856][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.498188][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 27.498546][ T381] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 27.498884][ T381] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 27.499202][ T381] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 27.499583][ T381] __sys_sendmsg (net/socket.c:2700) 
[ 27.499907][ T381] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 27.500317][ T381] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 27.500665][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 27.500997][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 27.501329][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   27.501751][  T381] RIP: 0033:0x7f5ca84ed1e7
[ 27.502100][ T381] 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)
[   27.503359][  T381] RSP: 002b:00007ffe145a3818 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   27.503868][  T381] RAX: ffffffffffffffda RBX: 00007ffe145a3f40 RCX: 00007f5ca84ed1e7
[   27.504374][  T381] RDX: 0000000000000000 RSI: 00007ffe145a3880 RDI: 0000000000000005
[   27.504862][  T381] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   27.505350][  T381] R10: 00000000222b0910 R11: 0000000000000246 R12: 0000000000000004
[   27.505843][  T381] R13: 00000000686e18ba R14: 0000000000499600 R15: 0000000000000000
| [   28.212405][  T387] ------------[ cut here ]------------
| [ 28.212860][ T387] WARNING: CPU: 3 PID: 387 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   28.213479][  T387] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   28.214870][  T387] Tainted: [W]=WARN
[   28.215109][  T387] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.215484][ T387] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 28.216024][ T387] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   28.217308][  T387] RSP: 0018:ffffc90000936ef0 EFLAGS: 00010246
[   28.217840][  T387] RAX: 0000000000000000 RBX: ffff8880115c2000 RCX: 0000000000000001
[   28.218294][  T387] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   28.218795][  T387] RBP: ffffc90000936fe0 R08: 0000000000000000 R09: 0000000000000000
[   28.219249][  T387] R10: ffffc90000937010 R11: ffffffff8c0a8918 R12: 1ffff92000126de2
[   28.219709][  T387] R13: 00000000000005dc R14: ffffc90000937010 R15: ffff8880115c2f08
[   28.220165][  T387] FS:  00007f5b2514e800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[   28.220698][  T387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.221088][  T387] CR2: 00000000004e5768 CR3: 0000000015cac004 CR4: 0000000000772ef0
[   28.221550][  T387] PKRU: 55555554
[   28.221778][  T387] Call Trace:
[   28.222006][  T387]  <TASK>
[ 28.222164][ T387] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 28.222470][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.222788][ T387] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 28.223109][ T387] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 28.223488][ T387] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 28.223808][ T387] netif_set_mtu (net/core/dev.c:9652) 
[ 28.224117][ T387] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 28.224432][ T387] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 28.224876][ T387] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 28.225110][ T387] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 28.225544][ T387] br_add_if (net/bridge/br_if.c:697) bridge 
[ 28.225896][ T387] do_set_master (net/core/rtnetlink.c:2948) 
[ 28.226206][ T387] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 28.226524][ T387] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 28.226909][ T387] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 28.227212][ T387] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 28.227528][ T387] ? __kernel_text_address (kernel/extable.c:79) 
[ 28.227835][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.228140][ T387] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 28.228448][ T387] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 28.228871][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.229178][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.229481][ T387] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 28.229800][ T387] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 28.230122][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.230429][ T387] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 28.230751][ T387] ? __create_object (mm/kmemleak.c:771) 
[ 28.231081][ T387] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 28.231392][ T387] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 28.231736][ T387] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 28.232115][ T387] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 28.232435][ T387] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 28.232779][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.233099][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.233410][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.233742][ T387] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 28.234044][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.234351][ T387] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 28.234660][ T387] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 28.234975][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.235280][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.235599][ T387] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 28.235910][ T387] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 28.236214][ T387] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 28.236536][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 28.236838][ T387] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 28.237148][ T387] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 28.237454][ T387] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 28.237765][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.238078][ T387] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 28.238385][ T387] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 28.238694][ T387] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 28.239008][ T387] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 28.239319][ T387] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 28.239631][ T387] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 28.240020][ T387] ___sys_sendmsg (net/socket.c:2670) 
[ 28.240321][ T387] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 28.240630][ T387] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 28.241007][ T387] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 28.241315][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.241640][ T387] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 28.241948][ T387] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 28.242252][ T387] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 28.242564][ T387] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 28.242872][ T387] __sys_sendmsg (net/socket.c:2700) 
[ 28.243189][ T387] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 28.243580][ T387] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 28.243903][ T387] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 28.244211][ T387] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 28.244522][ T387] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   28.244899][  T387] RIP: 0033:0x7f5b2531b1e7
[ 28.245217][ T387] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   28.246308][  T387] RSP: 002b:00007ffd0cf5b348 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   28.246773][  T387] RAX: ffffffffffffffda RBX: 00007ffd0cf5ba70 RCX: 00007f5b2531b1e7
[   28.247227][  T387] RDX: 0000000000000000 RSI: 00007ffd0cf5b3b0 RDI: 0000000000000005
[   28.247690][  T387] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   28.248150][  T387] R10: 0000000020d05910 R11: 0000000000000246 R12: 0000000000000004
[   28.248612][  T387] R13: 00000000686e18ba R14: 0000000000499600 R15: 0000000000000000
| [   31.508484][  T420] ------------[ cut here ]------------
| [ 31.509462][ T420] WARNING: CPU: 2 PID: 420 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) 
| [   31.510167][  T420] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   31.511473][  T420] Tainted: [W]=WARN
[   31.511772][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 31.512199][ T420] 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) 
[ 31.512582][ T420] 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
[   31.513798][  T420] RSP: 0018:ffffc90000c6eef0 EFLAGS: 00010246
[   31.514222][  T420] RAX: 0000000000000000 RBX: ffff8880097a2000 RCX: 0000000000000001
[   31.514766][  T420] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   31.515267][  T420] RBP: ffffc90000c6efe0 R08: 0000000000000000 R09: 0000000000000000
[   31.515836][  T420] R10: ffffc90000c6f010 R11: ffffffff8b779160 R12: 1ffff9200018dde2
[   31.516312][  T420] R13: 00000000000005dc R14: ffffc90000c6f010 R15: ffff8880097a2f08
[   31.516871][  T420] FS:  00007fd208e44800(0000) GS:ffff8880a8fb7000(0000) knlGS:0000000000000000
[   31.517439][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.518029][  T420] CR2: 00000000004e6898 CR3: 00000000136b8003 CR4: 0000000000772ef0
[   31.518704][  T420] PKRU: 55555554
[   31.519021][  T420] Call Trace:
[   31.519267][  T420]  <TASK>
[ 31.519440][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 31.519799][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.520133][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.520454][ T420] netif_set_mtu (net/core/dev.c:9652) 
[ 31.520826][ T420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 31.521170][ T420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 31.521423][ T420] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 31.521941][ T420] br_add_if (net/bridge/br_if.c:697) bridge 
[ 31.522340][ T420] do_set_master (net/core/rtnetlink.c:2948) 
[ 31.522723][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 31.523079][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 31.523497][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 31.523899][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 31.524223][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 31.524603][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.524949][ T420] ? __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) 
[ 31.525270][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 31.525706][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.526045][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.526372][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 31.526715][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 31.527043][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.527368][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 31.527720][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 31.528050][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 31.528374][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 31.528733][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 31.529135][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 31.529473][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 31.529864][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.530213][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.530567][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.530916][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 31.531253][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.531618][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 31.531958][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 31.532295][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.532693][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.533058][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 31.533402][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 31.533752][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 31.534100][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 31.534432][ T420] ? 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) 
[ 31.534782][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 31.535120][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 31.535460][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.535811][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 31.536154][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 31.536484][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 31.536854][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 31.537182][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 31.537515][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 31.537932][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 31.538257][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 31.538592][ T420] ? __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) 
[ 31.538991][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 31.539316][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.539656][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 31.539980][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 31.540309][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 31.540656][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 31.540987][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 31.541320][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 31.541748][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 31.542097][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 31.542439][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 31.542798][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   31.543226][  T420] RIP: 0033:0x7fd2090111e7
[ 31.543582][ T420] 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)
[   31.544800][  T420] RSP: 002b:00007ffc9b7938c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   31.545309][  T420] RAX: ffffffffffffffda RBX: 00007ffc9b793ff0 RCX: 00007fd2090111e7
[   31.545819][  T420] RDX: 0000000000000000 RSI: 00007ffc9b793930 RDI: 0000000000000005
[   31.546317][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   31.546826][  T420] R10: 000000003308c910 R11: 0000000000000246 R12: 0000000000000004
[   31.547331][  T420] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [   32.215483][  T426] ------------[ cut here ]------------
| [ 32.215818][ T426] WARNING: CPU: 3 PID: 426 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) 
| [   32.216435][  T426] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   32.217884][  T426] Tainted: [W]=WARN
[   32.218130][  T426] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.218535][ T426] 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) 
[ 32.218861][ T426] 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
[   32.219993][  T426] RSP: 0018:ffffc90000cbeef0 EFLAGS: 00010246
[   32.220383][  T426] RAX: 0000000000000000 RBX: ffff8880097a2000 RCX: 0000000000000001
[   32.220861][  T426] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[   32.221345][  T426] RBP: ffffc90000cbefe0 R08: 0000000000000000 R09: 0000000000000000
[   32.221854][  T426] R10: ffffc90000cbf010 R11: ffffffff8b779160 R12: 1ffff92000197de2
[   32.222326][  T426] R13: 00000000000005dc R14: ffffc90000cbf010 R15: ffff8880097a2f08
[   32.222803][  T426] FS:  00007f267239d800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[   32.223370][  T426] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.223766][  T426] CR2: 00000000004e5768 CR3: 0000000009533006 CR4: 0000000000772ef0
[   32.224244][  T426] PKRU: 55555554
[   32.224480][  T426] Call Trace:
[   32.224722][  T426]  <TASK>
[ 32.224883][ T426] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.225197][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.225529][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.225860][ T426] netif_set_mtu (net/core/dev.c:9652) 
[ 32.226170][ T426] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.226511][ T426] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.226746][ T426] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.227183][ T426] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.227545][ T426] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.227857][ T426] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.228185][ T426] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.228586][ T426] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.228897][ T426] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.229207][ T426] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.229527][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.229849][ T426] ? __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) 
[ 32.230160][ T426] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.230574][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.230896][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.231204][ T426] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.231522][ T426] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.231838][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.232158][ T426] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.232466][ T426] ? __create_object (mm/kmemleak.c:771) 
[ 32.232793][ T426] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.233126][ T426] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.233445][ T426] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.233857][ T426] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.234182][ T426] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.234512][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.234822][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.235136][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.235456][ T426] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.235771][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.236093][ T426] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.236412][ T426] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.236738][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.237059][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.237384][ T426] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.237703][ T426] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.238020][ T426] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.238343][ T426] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.238669][ T426] ? 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) 
[ 32.238996][ T426] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.239315][ T426] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.239632][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.239953][ T426] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.240266][ T426] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.240583][ T426] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.240898][ T426] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.241213][ T426] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.241526][ T426] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.241919][ T426] ___sys_sendmsg (net/socket.c:2670) 
[ 32.242226][ T426] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.242549][ T426] ? __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) 
[ 32.242935][ T426] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.243260][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.243579][ T426] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.243894][ T426] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.244206][ T426] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.244522][ T426] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.244848][ T426] __sys_sendmsg (net/socket.c:2700) 
[ 32.245154][ T426] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.245543][ T426] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.245862][ T426] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.246170][ T426] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.246481][ T426] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.246874][  T426] RIP: 0033:0x7f267256a1e7
[ 32.247198][ T426] 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)
[   32.248304][  T426] RSP: 002b:00007ffe00fc3db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.248778][  T426] RAX: ffffffffffffffda RBX: 00007ffe00fc44e0 RCX: 00007f267256a1e7
[   32.249244][  T426] RDX: 0000000000000000 RSI: 00007ffe00fc3e20 RDI: 0000000000000005
[   32.249715][  T426] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.250174][  T426] R10: 000000001060e910 R11: 0000000000000246 R12: 0000000000000004
[   32.250645][  T426] R13: 00000000686e18be R14: 0000000000499600 R15: 0000000000000000
| [  248.336369][ T2224] ------------[ cut here ]------------
| [ 248.336777][ T2224] WARNING: CPU: 2 PID: 2224 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) 
| [  248.337403][ T2224] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  248.339382][ T2224] Tainted: [W]=WARN
[  248.339659][ T2224] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 248.340063][ T2224] 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) 
[ 248.340398][ T2224] 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
[  248.341577][ T2224] RSP: 0018:ffffc900043fef70 EFLAGS: 00010246
[  248.341994][ T2224] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[  248.342474][ T2224] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[  248.342995][ T2224] RBP: ffffc900043ff058 R08: 0000000000000000 R09: 0000000000000000
[  248.343517][ T2224] R10: ffffc900043ff088 R11: ffffffff885224d4 R12: 1ffff9200087fdf2
[  248.344022][ T2224] R13: 00000000000005dc R14: ffffc900043ff088 R15: ffff8880136eaf08
[  248.344533][ T2224] FS:  00007f24c4744800(0000) GS:ffff8880a8fb7000(0000) knlGS:0000000000000000
[  248.345161][ T2224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  248.345623][ T2224] CR2: 00000000004e5760 CR3: 00000000164b5001 CR4: 0000000000772ef0
[  248.346132][ T2224] PKRU: 55555554
[  248.346379][ T2224] Call Trace:
[  248.346640][ T2224]  <TASK>
[ 248.346828][ T2224] ? __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) 
[ 248.347264][ T2224] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 248.347648][ T2224] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 248.347984][ T2224] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 248.348309][ T2224] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 248.348645][ T2224] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 248.348986][ T2224] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.349305][ T2224] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.349665][ T2224] ? ___sys_sendmsg (net/socket.c:2670) 
[ 248.350020][ T2224] ? __sys_sendmsg (net/socket.c:2700) 
[ 248.350352][ T2224] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.350703][ T2224] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 248.351164][ T2224] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.351522][ T2224] netif_set_mtu (net/core/dev.c:9652) 
[ 248.351875][ T2224] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 248.352229][ T2224] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 248.352485][ T2224] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 248.352982][ T2224] br_del_if (net/bridge/br_if.c:743) bridge 
[ 248.353370][ T2224] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 248.353748][ T2224] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 248.354102][ T2224] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 248.354440][ T2224] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 248.354870][ T2224] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 248.355214][ T2224] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 248.355555][ T2224] ? __kernel_text_address (kernel/extable.c:79) 
[ 248.355892][ T2224] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.356246][ T2224] ? __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) 
[ 248.356594][ T2224] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 248.357028][ T2224] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.357377][ T2224] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.357737][ T2224] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 248.358096][ T2224] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 248.358430][ T2224] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.358777][ T2224] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 248.359132][ T2224] ? __create_object (mm/kmemleak.c:771) 
[ 248.359471][ T2224] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 248.359824][ T2224] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 248.360173][ T2224] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 248.360604][ T2224] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 248.360950][ T2224] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 248.361298][ T2224] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.361668][ T2224] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.362010][ T2224] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.362360][ T2224] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 248.362698][ T2224] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.363034][ T2224] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 248.363421][ T2224] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 248.363774][ T2224] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.364111][ T2224] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.364473][ T2224] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 248.364823][ T2224] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 248.365159][ T2224] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 248.365549][ T2224] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 248.365887][ T2224] ? 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) 
[ 248.366228][ T2224] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 248.366577][ T2224] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 248.366904][ T2224] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.367231][ T2224] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 248.367582][ T2224] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 248.367901][ T2224] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 248.368225][ T2224] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 248.368576][ T2224] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 248.368894][ T2224] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 248.369316][ T2224] ___sys_sendmsg (net/socket.c:2670) 
[ 248.369683][ T2224] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 248.370013][ T2224] ? __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) 
[ 248.370425][ T2224] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 248.370759][ T2224] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.371076][ T2224] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 248.371412][ T2224] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 248.371752][ T2224] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 248.372069][ T2224] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 248.372406][ T2224] __sys_sendmsg (net/socket.c:2700) 
[ 248.372740][ T2224] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 248.373140][ T2224] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 248.373535][ T2224] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 248.373862][ T2224] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 248.374184][ T2224] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  248.374625][ T2224] RIP: 0033:0x7f24c49111e7
[ 248.374958][ T2224] 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)
[  248.376107][ T2224] RSP: 002b:00007ffed81a3e68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  248.376620][ T2224] RAX: ffffffffffffffda RBX: 00007ffed81a4590 RCX: 00007f24c49111e7
[  248.377090][ T2224] RDX: 0000000000000000 RSI: 00007ffed81a3ed0 RDI: 0000000000000005
[  248.377595][ T2224] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  248.378075][ T2224] R10: 00007f24c480eee8 R11: 0000000000000246 R12: 0000000000000003
[  248.378566][ T2224] R13: 00000000686e1997 R14: 0000000000499600 R15: 0000000000000000
| [  253.973409][ T2229] ------------[ cut here ]------------
| [ 253.973724][ T2229] WARNING: CPU: 0 PID: 2229 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) 
| [  253.974326][ T2229] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  253.975680][ T2229] Tainted: [W]=WARN
[  253.975913][ T2229] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 253.976297][ T2229] 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) 
[ 253.976621][ T2229] 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
[  253.977761][ T2229] RSP: 0018:ffffc9000443eef0 EFLAGS: 00010246
[  253.978147][ T2229] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[  253.978610][ T2229] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[  253.979072][ T2229] RBP: ffffc9000443efe0 R08: 0000000000000000 R09: 0000000000000000
[  253.979545][ T2229] R10: ffffc9000443f010 R11: ffffffff8c0a8918 R12: 1ffff92000887de2
[  253.980003][ T2229] R13: 00000000000005dc R14: ffffc9000443f010 R15: ffff8880136eaf08
[  253.980460][ T2229] FS:  00007f03aa218800(0000) GS:ffff8880a8eb7000(0000) knlGS:0000000000000000
[  253.981001][ T2229] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  253.981413][ T2229] CR2: 00000000004e5760 CR3: 000000000507b004 CR4: 0000000000772ef0
[  253.981880][ T2229] PKRU: 55555554
[  253.982110][ T2229] Call Trace:
[  253.982339][ T2229]  <TASK>
[ 253.982497][ T2229] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 253.982812][ T2229] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.983124][ T2229] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 253.983449][ T2229] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 253.983836][ T2229] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 253.984146][ T2229] netif_set_mtu (net/core/dev.c:9652) 
[ 253.984451][ T2229] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 253.984797][ T2229] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 253.985237][ T2229] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 253.985469][ T2229] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 253.985908][ T2229] br_add_if (net/bridge/br_if.c:697) bridge 
[ 253.986258][ T2229] do_set_master (net/core/rtnetlink.c:2948) 
[ 253.986583][ T2229] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 253.986893][ T2229] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 253.987280][ T2229] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 253.987595][ T2229] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 253.987910][ T2229] ? __kernel_text_address (kernel/extable.c:79) 
[ 253.988220][ T2229] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.988537][ T2229] ? __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) 
[ 253.988845][ T2229] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 253.989221][ T2229] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.989534][ T2229] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 253.989841][ T2229] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 253.990152][ T2229] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 253.990464][ T2229] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.990777][ T2229] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 253.991081][ T2229] ? __create_object (mm/kmemleak.c:771) 
[ 253.991390][ T2229] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 253.991710][ T2229] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 253.992020][ T2229] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 253.992402][ T2229] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 253.992732][ T2229] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 253.993069][ T2229] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.993404][ T2229] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.993724][ T2229] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 253.994032][ T2229] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 253.994334][ T2229] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 253.994648][ T2229] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 253.994952][ T2229] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 253.995266][ T2229] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.995588][ T2229] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.995903][ T2229] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 253.996209][ T2229] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 253.996526][ T2229] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 253.996866][ T2229] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 253.997173][ T2229] ? 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) 
[ 253.997493][ T2229] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 253.997831][ T2229] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 253.998158][ T2229] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 253.998467][ T2229] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 253.998785][ T2229] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 253.999092][ T2229] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 253.999409][ T2229] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 253.999732][ T2229] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 254.000036][ T2229] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 254.000422][ T2229] ___sys_sendmsg (net/socket.c:2670) 
[ 254.000766][ T2229] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 254.001088][ T2229] ? __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) 
[ 254.001496][ T2229] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 254.001831][ T2229] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.002159][ T2229] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 254.002483][ T2229] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 254.002812][ T2229] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 254.003132][ T2229] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 254.003473][ T2229] __sys_sendmsg (net/socket.c:2700) 
[ 254.003799][ T2229] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 254.004197][ T2229] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 254.004543][ T2229] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 254.004867][ T2229] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 254.005188][ T2229] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  254.005593][ T2229] RIP: 0033:0x7f03aa3e51e7
[ 254.005925][ T2229] 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)
[  254.007084][ T2229] RSP: 002b:00007fffbb2621a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  254.007576][ T2229] RAX: ffffffffffffffda RBX: 00007fffbb2628d0 RCX: 00007f03aa3e51e7
[  254.008056][ T2229] RDX: 0000000000000000 RSI: 00007fffbb262210 RDI: 0000000000000005
[  254.008538][ T2229] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[  254.009057][ T2229] R10: 000000002e6e9910 R11: 0000000000000246 R12: 0000000000000004
[  254.009547][ T2229] R13: 00000000686e199c R14: 0000000000499600 R15: 0000000000000000
| [  364.760677][ T3045] ------------[ cut here ]------------
| [ 364.761031][ T3045] WARNING: CPU: 2 PID: 3045 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) 
| [  364.761699][ T3045] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  364.763135][ T3045] Tainted: [W]=WARN
[  364.763387][ T3045] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 364.764173][ T3045] 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) 
[ 364.764526][ T3045] 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
[  364.765652][ T3045] RSP: 0018:ffffc90005e1ef70 EFLAGS: 00010246
[  364.766067][ T3045] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[  364.766569][ T3045] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[  364.767044][ T3045] RBP: ffffc90005e1f058 R08: 0000000000000000 R09: 0000000000000000
[  364.767529][ T3045] R10: ffffc90005e1f088 R11: ffffffff8b779160 R12: 1ffff92000bc3df2
[  364.768005][ T3045] R13: 00000000000005dc R14: ffffc90005e1f088 R15: ffff8880136eaf08
[  364.768481][ T3045] FS:  00007f1c45833800(0000) GS:ffff8880a8fb7000(0000) knlGS:0000000000000000
[  364.769069][ T3045] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  364.769485][ T3045] CR2: 00000000004e5ab0 CR3: 000000001672c001 CR4: 0000000000772ef0
[  364.769983][ T3045] PKRU: 55555554
[  364.770232][ T3045] Call Trace:
[  364.770481][ T3045]  <TASK>
[ 364.770674][ T3045] ? __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) 
[ 364.771089][ T3045] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 364.771465][ T3045] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 364.771802][ T3045] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 364.772125][ T3045] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 364.772453][ T3045] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 364.772797][ T3045] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 364.773125][ T3045] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 364.773453][ T3045] ? ___sys_sendmsg (net/socket.c:2670) 
[ 364.773813][ T3045] ? __sys_sendmsg (net/socket.c:2700) 
[ 364.774138][ T3045] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 364.774468][ T3045] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 364.774896][ T3045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.775240][ T3045] netif_set_mtu (net/core/dev.c:9652) 
[ 364.775577][ T3045] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 364.775913][ T3045] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 364.776163][ T3045] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 364.776620][ T3045] br_del_if (net/bridge/br_if.c:743) bridge 
[ 364.776976][ T3045] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 364.777298][ T3045] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 364.777645][ T3045] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 364.777978][ T3045] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 364.778380][ T3045] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 364.778736][ T3045] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 364.779072][ T3045] ? __kernel_text_address (kernel/extable.c:79) 
[ 364.779401][ T3045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.779738][ T3045] ? __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) 
[ 364.780058][ T3045] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 364.780456][ T3045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 364.780796][ T3045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 364.781116][ T3045] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 364.781446][ T3045] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 364.781784][ T3045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.782103][ T3045] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 364.782421][ T3045] ? __create_object (mm/kmemleak.c:771) 
[ 364.782778][ T3045] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 364.783100][ T3045] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 364.783425][ T3045] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 364.784457][ T3045] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 364.784802][ T3045] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 364.785126][ T3045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.785442][ T3045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.785776][ T3045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.786097][ T3045] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 364.786411][ T3045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 364.786754][ T3045] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 364.787084][ T3045] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 364.787406][ T3045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.787744][ T3045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.788069][ T3045] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 364.788388][ T3045] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 364.788717][ T3045] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 364.789046][ T3045] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 364.789366][ T3045] ? 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) 
[ 364.789696][ T3045] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 364.790050][ T3045] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 364.790371][ T3045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.790720][ T3045] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 364.791052][ T3045] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 364.791370][ T3045] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 364.791717][ T3045] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 364.792051][ T3045] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 364.792367][ T3045] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 364.792782][ T3045] ___sys_sendmsg (net/socket.c:2670) 
[ 364.793103][ T3045] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 364.793420][ T3045] ? __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) 
[ 364.793879][ T3045] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 364.794215][ T3045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.794559][ T3045] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 364.794889][ T3045] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 364.795209][ T3045] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 364.795543][ T3045] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 364.795870][ T3045] __sys_sendmsg (net/socket.c:2700) 
[ 364.796185][ T3045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 364.796592][ T3045] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 364.796936][ T3045] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 364.797255][ T3045] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 364.797590][ T3045] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  364.797983][ T3045] RIP: 0033:0x7f1c45a001e7
[ 364.798314][ T3045] 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)
[  364.799445][ T3045] RSP: 002b:00007fff5f4d72e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  364.799934][ T3045] RAX: ffffffffffffffda RBX: 00007fff5f4d7a10 RCX: 00007f1c45a001e7
[  364.800407][ T3045] RDX: 0000000000000000 RSI: 00007fff5f4d7350 RDI: 0000000000000005
[  364.800890][ T3045] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  364.801367][ T3045] R10: 00007f1c458fdee8 R11: 0000000000000246 R12: 0000000000000003
[  364.801850][ T3045] R13: 00000000686e1a0b R14: 0000000000499600 R15: 0000000000000000
| [  365.213259][ T3048] ------------[ cut here ]------------
| [ 365.214023][ T3048] WARNING: CPU: 0 PID: 3048 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) 
| [  365.214654][ T3048] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  365.215994][ T3048] Tainted: [W]=WARN
[  365.216229][ T3048] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.216651][ T3048] 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) 
[ 365.216968][ T3048] 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
[  365.218066][ T3048] RSP: 0018:ffffc90005fcef70 EFLAGS: 00010246
[  365.218451][ T3048] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[  365.218938][ T3048] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[  365.219399][ T3048] RBP: ffffc90005fcf058 R08: 0000000000000000 R09: 0000000000000000
[  365.219874][ T3048] R10: ffffc90005fcf088 R11: ffffffff8b779160 R12: 1ffff92000bf9df2
[  365.220329][ T3048] R13: 00000000000005dc R14: ffffc90005fcf088 R15: ffff8880136eaf08
[  365.220796][ T3048] FS:  00007fa525ce8800(0000) GS:ffff8880a8eb7000(0000) knlGS:0000000000000000
[  365.221329][ T3048] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  365.221725][ T3048] CR2: 00000000004e5aa8 CR3: 0000000011772005 CR4: 0000000000772ef0
[  365.222186][ T3048] PKRU: 55555554
[  365.222414][ T3048] Call Trace:
[  365.222652][ T3048]  <TASK>
[ 365.222808][ T3048] ? __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) 
[ 365.223193][ T3048] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 365.223566][ T3048] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 365.223875][ T3048] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 365.224181][ T3048] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 365.224487][ T3048] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 365.224809][ T3048] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 365.225134][ T3048] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 365.225442][ T3048] ? ___sys_sendmsg (net/socket.c:2670) 
[ 365.225757][ T3048] ? __sys_sendmsg (net/socket.c:2700) 
[ 365.226057][ T3048] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 365.226363][ T3048] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 365.226754][ T3048] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.227072][ T3048] netif_set_mtu (net/core/dev.c:9652) 
[ 365.227380][ T3048] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 365.227709][ T3048] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 365.227943][ T3048] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 365.228367][ T3048] br_del_if (net/bridge/br_if.c:743) bridge 
[ 365.228714][ T3048] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 365.229023][ T3048] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 365.229332][ T3048] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 365.229647][ T3048] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 365.230032][ T3048] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 365.230336][ T3048] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 365.230648][ T3048] ? __kernel_text_address (kernel/extable.c:79) 
[ 365.230988][ T3048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.231306][ T3048] ? __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) 
[ 365.231622][ T3048] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 365.232004][ T3048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.232313][ T3048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.232627][ T3048] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 365.232945][ T3048] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 365.233250][ T3048] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.233580][ T3048] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 365.233888][ T3048] ? __create_object (mm/kmemleak.c:771) 
[ 365.234212][ T3048] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 365.234538][ T3048] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 365.234851][ T3048] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 365.235229][ T3048] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 365.235550][ T3048] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 365.235864][ T3048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 365.236172][ T3048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.236482][ T3048] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.236795][ T3048] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 365.237099][ T3048] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 365.237407][ T3048] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 365.237718][ T3048] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 365.238026][ T3048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 365.238335][ T3048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.238663][ T3048] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 365.238979][ T3048] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 365.239290][ T3048] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 365.239625][ T3048] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 365.239942][ T3048] ? 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) 
[ 365.240249][ T3048] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 365.240589][ T3048] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 365.240911][ T3048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.241218][ T3048] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 365.241554][ T3048] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 365.241862][ T3048] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 365.242174][ T3048] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 365.242479][ T3048] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 365.242793][ T3048] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 365.243183][ T3048] ___sys_sendmsg (net/socket.c:2670) 
[ 365.243497][ T3048] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 365.243824][ T3048] ? __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) 
[ 365.244203][ T3048] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 365.244524][ T3048] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.244833][ T3048] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.245144][ T3048] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.245453][ T3048] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 365.245770][ T3048] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 365.246084][ T3048] __sys_sendmsg (net/socket.c:2700) 
[ 365.246385][ T3048] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 365.246772][ T3048] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 365.247124][ T3048] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.247458][ T3048] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 365.247781][ T3048] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  365.248161][ T3048] RIP: 0033:0x7fa525eb51e7
[ 365.248478][ T3048] 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)
[  365.249610][ T3048] RSP: 002b:00007fffccd63308 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  365.250084][ T3048] RAX: ffffffffffffffda RBX: 00007fffccd63a30 RCX: 00007fa525eb51e7
[  365.250548][ T3048] RDX: 0000000000000000 RSI: 00007fffccd63370 RDI: 0000000000000005
[  365.251003][ T3048] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  365.251457][ T3048] R10: 00007fa525db2ee8 R11: 0000000000000246 R12: 0000000000000003
[  365.251935][ T3048] R13: 00000000686e1a0b R14: 0000000000499600 R15: 0000000000000000
| [  365.409882][ T3049] ------------[ cut here ]------------
| [ 365.410234][ T3049] WARNING: CPU: 3 PID: 3049 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) 
| [  365.411129][ T3049] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [  365.412585][ T3049] Tainted: [W]=WARN
[  365.412827][ T3049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 365.413228][ T3049] 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) 
[ 365.413581][ T3049] 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
[  365.414740][ T3049] RSP: 0018:ffffc90005fdef70 EFLAGS: 00010246
[  365.415166][ T3049] RAX: 0000000000000000 RBX: ffff8880136ea000 RCX: 0000000000000001
[  365.415659][ T3049] RDX: 0000000000000000 RSI: ffffffff8b29b941 RDI: ffffffff8aa555e0
[  365.416189][ T3049] RBP: ffffc90005fdf058 R08: 0000000000000000 R09: 0000000000000000
[  365.416690][ T3049] R10: ffffc90005fdf088 R11: ffffffff8b779160 R12: 1ffff92000bfbdf2
[  365.417166][ T3049] R13: 00000000000005dc R14: ffffc90005fdf088 R15: ffff8880136eaf08
[  365.417654][ T3049] FS:  00007f9e01f84800(0000) GS:ffff8880a9037000(0000) knlGS:0000000000000000
[  365.418211][ T3049] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  365.418623][ T3049] CR2: 00000000004e5760 CR3: 0000000016893006 CR4: 0000000000772ef0
[  365.419106][ T3049] PKRU: 55555554
[  365.419349][ T3049] Call Trace:
[  365.419596][ T3049]  <TASK>
[ 365.419761][ T3049] ? __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) 
[ 365.420192][ T3049] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 365.420573][ T3049] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 365.420904][ T3049] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 365.421223][ T3049] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 365.421566][ T3049] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 365.421888][ T3049] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 365.422205][ T3049] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 365.422535][ T3049] ? ___sys_sendmsg (net/socket.c:2670) 
[ 365.422860][ T3049] ? __sys_sendmsg (net/socket.c:2700) 
[ 365.423210][ T3049] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 365.423565][ T3049] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 365.424005][ T3049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.424345][ T3049] netif_set_mtu (net/core/dev.c:9652) 
[ 365.424673][ T3049] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 365.425000][ T3049] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 365.425266][ T3049] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 365.425724][ T3049] br_del_if (net/bridge/br_if.c:743) bridge 
[ 365.426085][ T3049] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 365.426406][ T3049] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 365.426743][ T3049] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 365.427075][ T3049] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 365.427476][ T3049] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 365.427813][ T3049] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 365.428162][ T3049] ? __kernel_text_address (kernel/extable.c:79) 
[ 365.428495][ T3049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.428834][ T3049] ? __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) 
[ 365.429160][ T3049] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 365.429565][ T3049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.429889][ T3049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.430207][ T3049] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 365.430535][ T3049] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 365.430860][ T3049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.431188][ T3049] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 365.431519][ T3049] ? __create_object (mm/kmemleak.c:771) 
[ 365.431860][ T3049] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 365.432201][ T3049] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 365.432534][ T3049] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 365.432931][ T3049] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 365.433257][ T3049] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 365.433610][ T3049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 365.433945][ T3049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.434272][ T3049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.434614][ T3049] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 365.434936][ T3049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 365.435265][ T3049] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 365.435596][ T3049] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 365.435952][ T3049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 365.436285][ T3049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.436622][ T3049] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 365.436946][ T3049] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 365.437269][ T3049] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 365.437614][ T3049] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 365.437937][ T3049] ? 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) 
[ 365.438259][ T3049] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 365.438604][ T3049] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 365.438925][ T3049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.439250][ T3049] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 365.439588][ T3049] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 365.439914][ T3049] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 365.440272][ T3049] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 365.440610][ T3049] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 365.440936][ T3049] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 365.441332][ T3049] ___sys_sendmsg (net/socket.c:2670) 
[ 365.441663][ T3049] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 365.441983][ T3049] ? __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) 
[ 365.442384][ T3049] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 365.442718][ T3049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.443059][ T3049] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 365.443391][ T3049] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 365.443741][ T3049] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 365.444103][ T3049] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 365.444434][ T3049] __sys_sendmsg (net/socket.c:2700) 
[ 365.444764][ T3049] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 365.445162][ T3049] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 365.445495][ T3049] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 365.445835][ T3049] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 365.446165][ T3049] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  365.446576][ T3049] RIP: 0033:0x7f9e021511e7
[ 365.446914][ T3049] 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)
[  365.448094][ T3049] RSP: 002b:00007fff007ad208 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[  365.448593][ T3049] RAX: ffffffffffffffda RBX: 00007fff007ad930 RCX: 00007f9e021511e7
[  365.449071][ T3049] RDX: 0000000000000000 RSI: 00007fff007ad270 RDI: 0000000000000005
[  365.449555][ T3049] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[  365.450033][ T3049] R10: 00007f9e0204eee8 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