======================================
| [   20.911841][  T326] br1: port 1(vx10) entered forwarding state
| [   20.913054][  T326] ------------[ cut here ]------------
| [ 20.913381][ T326] WARNING: CPU: 3 PID: 326 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) 
| [   20.914024][  T326] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.915975][  T326] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.916396][ T326] 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) 
[ 20.916731][ T326] 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
[   20.917892][  T326] RSP: 0018:ffffc90000696ef0 EFLAGS: 00010246
[   20.918306][  T326] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   20.918787][  T326] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   20.919442][  T326] RBP: ffffc90000696fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.919942][  T326] R10: ffffc90000697010 R11: ffffffffad2a8918 R12: 1ffff920000d2de2
[   20.920438][  T326] R13: 00000000000005dc R14: ffffc90000697010 R15: ffff88800981af08
[   20.920919][  T326] FS:  00007fd89d737800(0000) GS:ffff888087e37000(0000) knlGS:0000000000000000
[   20.921493][  T326] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.921902][  T326] CR2: 00000000004e5ce0 CR3: 0000000016741001 CR4: 0000000000772ef0
[   20.922403][  T326] PKRU: 55555554
[   20.922649][  T326] Call Trace:
[   20.922898][  T326]  <TASK>
[ 20.923077][ T326] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.923405][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.923732][ T326] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.924057][ T326] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.924457][ T326] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.924785][ T326] netif_set_mtu (net/core/dev.c:9652) 
[ 20.925119][ T326] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.925453][ T326] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.925895][ T326] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.926148][ T326] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.926584][ T326] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.926952][ T326] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.927294][ T326] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.927621][ T326] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.928039][ T326] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.928360][ T326] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.928677][ T326] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.928998][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.929328][ T326] ? __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) 
[ 20.929670][ T326] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.930054][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.930360][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.930664][ T326] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.930968][ T326] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.931280][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.931585][ T326] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.931894][ T326] ? __create_object (mm/kmemleak.c:771) 
[ 20.932207][ T326] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.932514][ T326] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.932815][ T326] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.933197][ T326] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.933508][ T326] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.933817][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.934125][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.934440][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.934745][ T326] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.935051][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.935358][ T326] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.935684][ T326] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.935990][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.936308][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.936621][ T326] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.936931][ T326] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.937244][ T326] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.937568][ T326] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.937872][ T326] ? 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) 
[ 20.938185][ T326] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.938497][ T326] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.938805][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.939120][ T326] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.939438][ T326] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.939762][ T326] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.940084][ T326] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.940395][ T326] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.940698][ T326] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.941092][ T326] ___sys_sendmsg (net/socket.c:2670) 
[ 20.941399][ T326] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.941722][ T326] ? __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) 
[ 20.942113][ T326] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.942464][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.942776][ T326] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.943098][ T326] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.943405][ T326] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.943714][ T326] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.944038][ T326] __sys_sendmsg (net/socket.c:2700) 
[ 20.944341][ T326] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.944716][ T326] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.945042][ T326] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.945353][ T326] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.945656][ T326] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.946046][  T326] RIP: 0033:0x7fd89d9041e7
[ 20.946383][ T326] 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)
[   20.947477][  T326] RSP: 002b:00007ffd00092698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.947938][  T326] RAX: ffffffffffffffda RBX: 00007ffd00092dc0 RCX: 00007fd89d9041e7
[   20.948417][  T326] RDX: 0000000000000000 RSI: 00007ffd00092700 RDI: 0000000000000005
[   20.948875][  T326] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.949343][  T326] R10: 000000002d8d8910 R11: 0000000000000246 R12: 0000000000000004
[   20.949816][  T326] R13: 00000000686e142d R14: 0000000000499600 R15: 0000000000000000
| [   21.424973][  T331] ------------[ cut here ]------------
| [ 21.425355][ 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) 
| [   21.426061][  T331] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.428259][  T331] Tainted: [W]=WARN
[   21.428529][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.428960][ 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) 
[ 21.429339][ 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
[   21.430626][  T331] RSP: 0018:ffffc90000616ef0 EFLAGS: 00010246
[   21.431080][  T331] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   21.431608][  T331] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   21.432150][  T331] RBP: ffffc90000616fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.432687][  T331] R10: ffffc90000617010 R11: ffffffffad2a8918 R12: 1ffff920000c2de2
[   21.433224][  T331] R13: 00000000000005dc R14: ffffc90000617010 R15: ffff88800981af08
[   21.433765][  T331] FS:  00007fafd63a2800(0000) GS:ffff888087e37000(0000) knlGS:0000000000000000
[   21.434380][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.434827][  T331] CR2: 00000000004e5de8 CR3: 000000000987b002 CR4: 0000000000772ef0
[   21.435371][  T331] PKRU: 55555554
[   21.435636][  T331] Call Trace:
[   21.435897][  T331]  <TASK>
[ 21.436087][ T331] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.436445][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.436807][ T331] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.437180][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.437624][ T331] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.437982][ T331] netif_set_mtu (net/core/dev.c:9652) 
[ 21.438351][ T331] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.438722][ T331] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.439231][ T331] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.439530][ T331] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.440010][ T331] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.440411][ T331] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.440774][ T331] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.441142][ T331] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.441591][ T331] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.441942][ T331] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.442300][ T331] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.442665][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.443032][ 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) 
[ 21.443394][ T331] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.443823][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.444194][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.444541][ T331] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.444885][ T331] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.445242][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.445587][ T331] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.445929][ T331] ? __create_object (mm/kmemleak.c:771) 
[ 21.446332][ T331] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.446644][ T331] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.446957][ T331] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.447348][ T331] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.447729][ T331] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.448092][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.448439][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.448794][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.449156][ T331] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.449499][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.449883][ T331] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.450244][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.450595][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.450948][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.451311][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.451666][ T331] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.452040][ T331] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.452416][ T331] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.452761][ 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) 
[ 21.453119][ T331] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.453472][ T331] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.453829][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.454193][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.454565][ T331] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.454922][ T331] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.455291][ T331] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.455654][ T331] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.455999][ T331] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.456455][ T331] ___sys_sendmsg (net/socket.c:2670) 
[ 21.456811][ T331] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.457165][ 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) 
[ 21.457602][ T331] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.457950][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.458309][ T331] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.458662][ T331] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.459009][ 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) 
[ 21.459377][ T331] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.459768][ T331] __sys_sendmsg (net/socket.c:2700) 
[ 21.460094][ T331] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.460479][ T331] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.460804][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.461129][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.461438][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.461826][  T331] RIP: 0033:0x7fafd656f1e7
[ 21.462155][ 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)
[   21.463268][  T331] RSP: 002b:00007ffc4bdffc28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.463736][  T331] RAX: ffffffffffffffda RBX: 00007ffc4be00350 RCX: 00007fafd656f1e7
[   21.464209][  T331] RDX: 0000000000000000 RSI: 00007ffc4bdffc90 RDI: 0000000000000005
[   21.464675][  T331] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.465144][  T331] R10: 000000003dee3910 R11: 0000000000000246 R12: 0000000000000004
[   21.465602][  T331] R13: 00000000686e142e R14: 0000000000499600 R15: 0000000000000000
| [   21.697324][  T333] ------------[ cut here ]------------
| [ 21.697659][ T333] WARNING: CPU: 2 PID: 333 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) 
| [   21.698291][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.699506][  T333] Tainted: [W]=WARN
[   21.699770][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.700177][ T333] 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) 
[ 21.700506][ T333] 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
[   21.701625][  T333] RSP: 0018:ffffc90000b26ef0 EFLAGS: 00010246
[   21.702038][  T333] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   21.702504][  T333] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   21.702970][  T333] RBP: ffffc90000b26fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.703448][  T333] R10: ffffc90000b27010 R11: ffffffffad2a8918 R12: 1ffff92000164de2
[   21.703924][  T333] R13: 00000000000005dc R14: ffffc90000b27010 R15: ffff88800981af08
[   21.704400][  T333] FS:  00007f1a74ebd800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   21.704940][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.705352][  T333] CR2: 00000000004e5aa8 CR3: 0000000009333003 CR4: 0000000000772ef0
[   21.705829][  T333] PKRU: 55555554
[   21.706083][  T333] Call Trace:
[   21.706325][  T333]  <TASK>
[ 21.706498][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.706821][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.707157][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.707474][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.707868][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.708209][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.708531][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.708857][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.709304][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.709561][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.709990][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.710366][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.710696][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.711029][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.711432][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.711750][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.712079][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.712397][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.712724][ T333] ? __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) 
[ 21.713052][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.713444][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.713763][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.714091][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.714405][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.714727][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.715059][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.715385][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.715706][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.716036][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.716353][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.716745][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.717095][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.717419][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.717739][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.718076][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.718395][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.718707][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.719045][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.719365][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.719699][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.720031][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.720361][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.720680][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.721003][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.721342][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.721660][ T333] ? 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) 
[ 21.721981][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.722316][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.722636][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.722959][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.723290][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.723609][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.723935][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.724266][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.724582][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.724987][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.725315][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.725634][ T333] ? __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) 
[ 21.726035][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.726358][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.726688][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.727024][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.727348][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.727665][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.727991][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.728362][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.728766][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.729106][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.729423][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.729753][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.730157][  T333] RIP: 0033:0x7f1a7508a1e7
[ 21.730485][ T333] 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)
[   21.731597][  T333] RSP: 002b:00007ffc6b353598 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.732086][  T333] RAX: ffffffffffffffda RBX: 00007ffc6b353cc0 RCX: 00007f1a7508a1e7
[   21.732553][  T333] RDX: 0000000000000000 RSI: 00007ffc6b353600 RDI: 0000000000000005
[   21.733028][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.733493][  T333] R10: 000000002ed11910 R11: 0000000000000246 R12: 0000000000000004
[   21.733969][  T333] R13: 00000000686e142e R14: 0000000000499600 R15: 0000000000000000
| [   21.980547][  T335] ------------[ cut here ]------------
| [ 21.980864][ T335] WARNING: CPU: 3 PID: 335 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) 
| [   21.982628][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.983803][  T335] Tainted: [W]=WARN
[   21.984047][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.984425][ T335] 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) 
[ 21.984736][ T335] 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
[   21.985822][  T335] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   21.986234][  T335] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   21.986686][  T335] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   21.987259][  T335] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.987776][  T335] R10: ffffc900005f7010 R11: ffffffffad2a8918 R12: 1ffff920000bede2
[   21.988316][  T335] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800981af08
[   21.988830][  T335] FS:  00007f5ab589a800(0000) GS:ffff888087e37000(0000) knlGS:0000000000000000
[   21.989474][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.989873][  T335] CR2: 00000000004e5ab0 CR3: 0000000009333001 CR4: 0000000000772ef0
[   21.990340][  T335] PKRU: 55555554
[   21.990583][  T335] Call Trace:
[   21.990814][  T335]  <TASK>
[ 21.990972][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.991292][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.991605][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.991910][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.992300][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.992608][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.992923][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.993253][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.993673][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.993905][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.994340][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.994684][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.994993][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.995320][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.995709][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.996021][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.996327][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.996635][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.996942][ T335] ? __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) 
[ 21.997270][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.997652][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.997966][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.998288][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.998601][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.998906][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.999224][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.999538][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.999868][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.000187][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.000494][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.000872][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.001197][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.001538][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.001851][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.002180][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.002500][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.002804][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.003135][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.003448][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.003759][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.004082][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.004392][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.004710][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.005029][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.005352][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.005663][ T335] ? 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) 
[ 22.005976][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.006302][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.006616][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.006945][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.007274][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.007593][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.007915][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.008235][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.008540][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.008939][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 22.009374][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.009710][ T335] ? __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) 
[ 22.010111][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.010432][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.010749][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.011075][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.011391][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.011712][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.012035][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 22.012339][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.012725][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.013139][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.013506][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.013853][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.014317][  T335] RIP: 0033:0x7f5ab5a671e7
[ 22.014690][ T335] 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)
[   22.015937][  T335] RSP: 002b:00007ffef5d284a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.016465][  T335] RAX: ffffffffffffffda RBX: 00007ffef5d28bd0 RCX: 00007f5ab5a671e7
[   22.016992][  T335] RDX: 0000000000000000 RSI: 00007ffef5d28510 RDI: 0000000000000005
[   22.017517][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.018045][  T335] R10: 0000000021788910 R11: 0000000000000246 R12: 0000000000000004
[   22.018561][  T335] R13: 00000000686e142e R14: 0000000000499600 R15: 0000000000000000
| [   22.566823][  T340] ------------[ cut here ]------------
| [ 22.567200][ T340] WARNING: CPU: 1 PID: 340 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) 
| [   22.567795][  T340] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.569058][  T340] Tainted: [W]=WARN
[   22.569290][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.569681][ T340] 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) 
[ 22.569994][ T340] 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
[   22.571112][  T340] RSP: 0018:ffffc90000646ef0 EFLAGS: 00010246
[   22.571496][  T340] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   22.571949][  T340] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   22.572774][  T340] RBP: ffffc90000646fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.573440][  T340] R10: ffffc90000647010 R11: ffffffffad2a8918 R12: 1ffff920000c8de2
[   22.573896][  T340] R13: 00000000000005dc R14: ffffc90000647010 R15: ffff88800981af08
[   22.574578][  T340] FS:  00007fa98c5f2800(0000) GS:ffff888087d37000(0000) knlGS:0000000000000000
[   22.575283][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.575668][  T340] CR2: 00000000004e6890 CR3: 000000001271f002 CR4: 0000000000772ef0
[   22.576289][  T340] PKRU: 55555554
[   22.576518][  T340] Call Trace:
[   22.576747][  T340]  <TASK>
[ 22.576905][ T340] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.577357][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.577679][ T340] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.577981][ T340] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.578605][ T340] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.578930][ T340] netif_set_mtu (net/core/dev.c:9652) 
[ 22.579473][ T340] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.579816][ T340] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.580378][ T340] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.580616][ T340] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.581172][ T340] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.581515][ T340] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.581821][ T340] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.582272][ T340] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.582656][ T340] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.582955][ T340] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.583314][ T340] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.583620][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.583926][ T340] ? __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) 
[ 22.584242][ T340] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.584620][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.584925][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.585235][ T340] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.585543][ T340] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.585845][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.586158][ T340] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.586462][ T340] ? __create_object (mm/kmemleak.c:771) 
[ 22.586767][ T340] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.587079][ T340] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.587382][ T340] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.587770][ T340] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.588087][ T340] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.588397][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.588701][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.589009][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.589327][ T340] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.589638][ T340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.589943][ T340] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.590261][ T340] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.590574][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.590882][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.591198][ T340] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.591504][ T340] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.591809][ T340] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.592131][ T340] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.592435][ T340] ? 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) 
[ 22.592741][ T340] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.593055][ T340] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.593357][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.593664][ T340] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.593968][ T340] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.594278][ T340] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.594587][ T340] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.594897][ T340] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.595209][ T340] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.595598][ T340] ___sys_sendmsg (net/socket.c:2670) 
[ 22.595898][ T340] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.596208][ T340] ? __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) 
[ 22.596586][ T340] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.596895][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.597207][ T340] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.597519][ T340] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.597820][ T340] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.598132][ T340] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.598444][ T340] __sys_sendmsg (net/socket.c:2700) 
[ 22.598744][ T340] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.599131][ T340] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.599452][ T340] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.599762][ T340] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.600076][ T340] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.600453][  T340] RIP: 0033:0x7fa98c7bf1e7
[ 22.600767][ T340] 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)
[   22.601880][  T340] RSP: 002b:00007ffe15ce4ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.602352][  T340] RAX: ffffffffffffffda RBX: 00007ffe15ce55f0 RCX: 00007fa98c7bf1e7
[   22.602807][  T340] RDX: 0000000000000000 RSI: 00007ffe15ce4f30 RDI: 0000000000000005
[   22.603533][  T340] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.604381][  T340] R10: 00000000291a9910 R11: 0000000000000246 R12: 0000000000000004
[   22.604937][  T340] R13: 00000000686e142f R14: 0000000000499600 R15: 0000000000000000
| [   32.069203][  T432] ------------[ cut here ]------------
| [ 32.069593][ T432] WARNING: CPU: 2 PID: 432 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) 
| [   32.070302][  T432] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.071846][  T432] Tainted: [W]=WARN
[   32.072112][  T432] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.072546][ T432] 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) 
[ 32.072894][ T432] 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
[   32.074076][  T432] RSP: 0018:ffffc90000b66ef0 EFLAGS: 00010246
[   32.074512][  T432] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   32.075031][  T432] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   32.075544][  T432] RBP: ffffc90000b66fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.076061][  T432] R10: ffffc90000b67010 R11: ffffffffac979160 R12: 1ffff9200016cde2
[   32.076566][  T432] R13: 00000000000005dc R14: ffffc90000b67010 R15: ffff888008cb2f08
[   32.077071][  T432] FS:  00007f66b3bd2800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   32.077656][  T432] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.078086][  T432] CR2: 00000000004e5ce0 CR3: 0000000010e9f006 CR4: 0000000000772ef0
[   32.078617][  T432] PKRU: 55555554
[   32.078872][  T432] Call Trace:
[   32.079156][  T432]  <TASK>
[ 32.079339][ T432] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.079709][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.080076][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.080409][ T432] netif_set_mtu (net/core/dev.c:9652) 
[ 32.080765][ T432] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.081133][ T432] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.081389][ T432] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.081887][ T432] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.082279][ T432] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.082636][ T432] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.082974][ T432] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.083399][ T432] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.083749][ T432] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.084094][ T432] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.084439][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.084798][ T432] ? __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) 
[ 32.085145][ T432] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.085559][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.085918][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.086261][ T432] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.086590][ T432] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.086942][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.087287][ T432] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.087617][ T432] ? __create_object (mm/kmemleak.c:771) 
[ 32.087974][ T432] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.088321][ T432] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.088658][ T432] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.089114][ T432] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.089455][ T432] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.089831][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.090179][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.090519][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.090868][ T432] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.091214][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.091546][ T432] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.091889][ T432] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.092234][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.092577][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.092926][ T432] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.093278][ T432] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.093608][ T432] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.093974][ T432] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.094321][ T432] ? 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) 
[ 32.094657][ T432] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.095028][ T432] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.095360][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.095693][ T432] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.096057][ T432] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.096388][ T432] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.096743][ T432] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.097113][ T432] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.097446][ T432] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.097869][ T432] ___sys_sendmsg (net/socket.c:2670) 
[ 32.098228][ T432] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.098563][ T432] ? __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) 
[ 32.098975][ T432] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.099333][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.099685][ T432] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.100044][ T432] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.100393][ T432] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.100721][ T432] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.101085][ T432] __sys_sendmsg (net/socket.c:2700) 
[ 32.101420][ T432] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.101833][ T432] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.102212][ T432] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.102552][ T432] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.102892][ T432] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.103333][  T432] RIP: 0033:0x7f66b3d9f1e7
[ 32.103680][ T432] 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)
[   32.104852][  T432] RSP: 002b:00007ffc1183c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.105382][  T432] RAX: ffffffffffffffda RBX: 00007ffc1183c890 RCX: 00007f66b3d9f1e7
[   32.105876][  T432] RDX: 0000000000000000 RSI: 00007ffc1183c1d0 RDI: 0000000000000005
[   32.106390][  T432] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.106884][  T432] R10: 0000000009080910 R11: 0000000000000246 R12: 0000000000000004
[   32.107419][  T432] R13: 00000000686e1438 R14: 0000000000499600 R15: 0000000000000000
| [   32.603495][  T436] ------------[ cut here ]------------
| [ 32.603809][ T436] WARNING: CPU: 3 PID: 436 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) 
| [   32.605812][  T436] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.607121][  T436] Tainted: [W]=WARN
[   32.607352][  T436] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.607740][ T436] 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) 
[ 32.608081][ T436] 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
[   32.609216][  T436] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   32.609617][  T436] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   32.610085][  T436] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   32.610558][  T436] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.611025][  T436] R10: ffffc90000b97010 R11: ffffffffac979160 R12: 1ffff92000172de2
[   32.611496][  T436] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff888008cb2f08
[   32.611957][  T436] FS:  00007fc24b913800(0000) GS:ffff888087e37000(0000) knlGS:0000000000000000
[   32.612512][  T436] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.612894][  T436] CR2: 00000000004e5de8 CR3: 00000000118a7004 CR4: 0000000000772ef0
[   32.613373][  T436] PKRU: 55555554
[   32.613603][  T436] Call Trace:
[   32.613833][  T436]  <TASK>
[ 32.614001][ T436] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.614333][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.614649][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.614955][ T436] netif_set_mtu (net/core/dev.c:9652) 
[ 32.615295][ T436] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.615620][ T436] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.615853][ T436] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.616295][ T436] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.616650][ T436] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.616964][ T436] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.617295][ T436] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.617684][ T436] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.617986][ T436] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.618301][ T436] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.618626][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.618939][ T436] ? __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) 
[ 32.619252][ T436] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.619655][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.619962][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.620274][ T436] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.620592][ T436] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.620902][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.621224][ T436] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.621559][ T436] ? __create_object (mm/kmemleak.c:771) 
[ 32.621868][ T436] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.622187][ T436] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.622507][ T436] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.622887][ T436] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.623211][ T436] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.623547][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.623855][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.624181][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.624497][ T436] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.624800][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.625120][ T436] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.625432][ T436] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.625749][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.626075][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.626387][ T436] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.626702][ T436] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.627010][ T436] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.627335][ T436] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.627666][ T436] ? 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) 
[ 32.627972][ T436] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.628297][ T436] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.628616][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.628926][ T436] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.629241][ T436] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.629549][ T436] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.629876][ T436] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.630194][ T436] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.630503][ T436] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.630905][ T436] ___sys_sendmsg (net/socket.c:2670) 
[ 32.631214][ T436] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.631515][ T436] ? __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) 
[ 32.631902][ T436] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.632217][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.632524][ T436] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.632854][ T436] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.633174][ T436] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.633475][ T436] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.633818][ T436] __sys_sendmsg (net/socket.c:2700) 
[ 32.634145][ T436] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.634521][ T436] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.634853][ T436] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.635171][ T436] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.635482][ T436] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.635866][  T436] RIP: 0033:0x7fc24bae01e7
[ 32.636187][ T436] 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)
[   32.637281][  T436] RSP: 002b:00007ffe7aaac9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.637743][  T436] RAX: ffffffffffffffda RBX: 00007ffe7aaad110 RCX: 00007fc24bae01e7
[   32.638217][  T436] RDX: 0000000000000000 RSI: 00007ffe7aaaca50 RDI: 0000000000000005
[   32.638671][  T436] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.639143][  T436] R10: 000000002c9e6910 R11: 0000000000000246 R12: 0000000000000004
[   32.639620][  T436] R13: 00000000686e1439 R14: 0000000000499600 R15: 0000000000000000
| [   33.138681][  T440] ------------[ cut here ]------------
| [ 33.139068][ T440] WARNING: CPU: 2 PID: 440 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.139780][  T440] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.141241][  T440] Tainted: [W]=WARN
[   33.141517][  T440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.141959][ T440] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.142338][ T440] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.143595][  T440] RSP: 0018:ffffc90000bb6ef0 EFLAGS: 00010246
[   33.144056][  T440] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   33.144589][  T440] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   33.145128][  T440] RBP: ffffc90000bb6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.145659][  T440] R10: ffffc90000bb7010 R11: ffffffffad2a8918 R12: 1ffff92000176de2
[   33.146198][  T440] R13: 00000000000005dc R14: ffffc90000bb7010 R15: ffff888008cb2f08
[   33.146724][  T440] FS:  00007fb054f6b800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   33.147357][  T440] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.147806][  T440] CR2: 00000000004e6890 CR3: 0000000010e9a002 CR4: 0000000000772ef0
[   33.148344][  T440] PKRU: 55555554
[   33.148619][  T440] Call Trace:
[   33.148892][  T440]  <TASK>
[ 33.149098][ T440] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.149460][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.149842][ T440] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.150212][ T440] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.150667][ T440] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.151047][ T440] netif_set_mtu (net/core/dev.c:9652) 
[ 33.151427][ T440] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.151796][ T440] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.152295][ T440] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.152574][ T440] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.153062][ T440] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.153469][ T440] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.153834][ T440] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.154209][ T440] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.154669][ T440] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.155038][ T440] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.155397][ T440] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.155766][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.156150][ T440] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.156509][ T440] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.156950][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.157323][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.157680][ T440] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.158046][ T440] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.158409][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.158774][ T440] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.159147][ T440] ? __create_object (mm/kmemleak.c:771) 
[ 33.159508][ T440] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.159882][ T440] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.160251][ T440] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.160697][ T440] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.161078][ T440] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.161458][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.161813][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.162191][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.162560][ T440] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.162915][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.163289][ T440] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.163646][ T440] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.164008][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.164394][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.164756][ T440] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.165127][ T440] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.165488][ T440] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.165855][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.166221][ T440] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.166583][ T440] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.166958][ T440] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.167330][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.167695][ T440] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.168068][ T440] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.168428][ T440] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.168793][ T440] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.169164][ T440] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.169543][ T440] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.169997][ T440] ___sys_sendmsg (net/socket.c:2670) 
[ 33.170374][ T440] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.170736][ T440] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.171192][ T440] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.171557][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.171924][ T440] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.172310][ T440] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.172670][ T440] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.173043][ T440] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.173411][ T440] __sys_sendmsg (net/socket.c:2700) 
[ 33.173766][ T440] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.174229][ T440] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.174602][ T440] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.174973][ T440] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.175355][ T440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.175797][  T440] RIP: 0033:0x7fb0551381e7
[ 33.176181][ T440] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.177422][  T440] RSP: 002b:00007ffda3710648 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.177959][  T440] RAX: ffffffffffffffda RBX: 00007ffda3710d70 RCX: 00007fb0551381e7
[   33.178506][  T440] RDX: 0000000000000000 RSI: 00007ffda37106b0 RDI: 0000000000000005
[   33.179064][  T440] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.179601][  T440] R10: 000000002888e910 R11: 0000000000000246 R12: 0000000000000004
[   33.180151][  T440] R13: 00000000686e1439 R14: 0000000000499600 R15: 0000000000000000
| [   33.409329][  T442] ------------[ cut here ]------------
| [ 33.409692][ T442] WARNING: CPU: 1 PID: 442 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.410334][  T442] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.411662][  T442] Tainted: [W]=WARN
[   33.411907][  T442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.413865][ T442] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.414282][ T442] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.415428][  T442] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   33.415831][  T442] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   33.416326][  T442] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   33.416819][  T442] RBP: ffffc90000bd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.417308][  T442] R10: ffffc90000bd7010 R11: ffffffffad2a8918 R12: 1ffff9200017ade2
[   33.417789][  T442] R13: 00000000000005dc R14: ffffc90000bd7010 R15: ffff888008cb2f08
[   33.418280][  T442] FS:  00007f674be4a800(0000) GS:ffff888087d37000(0000) knlGS:0000000000000000
[   33.418847][  T442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.419258][  T442] CR2: 00000000004e6890 CR3: 0000000005227003 CR4: 0000000000772ef0
[   33.419753][  T442] PKRU: 55555554
[   33.419993][  T442] Call Trace:
[   33.420246][  T442]  <TASK>
[ 33.420414][ T442] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.420744][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.421112][ T442] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.421438][ T442] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.421840][ T442] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.422179][ T442] netif_set_mtu (net/core/dev.c:9652) 
[ 33.422502][ T442] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.422836][ T442] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.423294][ T442] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.423538][ T442] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.423970][ T442] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.424343][ T442] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.424671][ T442] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.424998][ T442] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.425428][ T442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.425753][ T442] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.426090][ T442] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.426414][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.426735][ T442] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.427085][ T442] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.427484][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.427809][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.428144][ T442] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.428465][ T442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.428787][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.429125][ T442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.429448][ T442] ? __create_object (mm/kmemleak.c:771) 
[ 33.429782][ T442] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.430120][ T442] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.430442][ T442] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.430848][ T442] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.431181][ T442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.431502][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.431819][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.432156][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.432479][ T442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.432796][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.433129][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.433447][ T442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.433768][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.434106][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.434430][ T442] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.434749][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.435081][ T442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.435411][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.435732][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.436065][ T442] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.436423][ T442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.436739][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.437073][ T442] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.437396][ T442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.437718][ T442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.438062][ T442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.438387][ T442] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.438703][ T442] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.439122][ T442] ___sys_sendmsg (net/socket.c:2670) 
[ 33.439441][ T442] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.439772][ T442] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.440180][ T442] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.440510][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.440830][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.441203][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.441531][ T442] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.441851][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.442190][ T442] __sys_sendmsg (net/socket.c:2700) 
[ 33.442510][ T442] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.442910][ T442] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.443249][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.443570][ T442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.443891][ T442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.444301][  T442] RIP: 0033:0x7f674c0171e7
[ 33.444632][ T442] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.445780][  T442] RSP: 002b:00007fff22e9faa8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.446278][  T442] RAX: ffffffffffffffda RBX: 00007fff22ea01d0 RCX: 00007f674c0171e7
[   33.446764][  T442] RDX: 0000000000000000 RSI: 00007fff22e9fb10 RDI: 0000000000000005
[   33.447252][  T442] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.447729][  T442] R10: 0000000015881910 R11: 0000000000000246 R12: 0000000000000004
[   33.448215][  T442] R13: 00000000686e143a R14: 0000000000499600 R15: 0000000000000000
| [   33.859731][  T445] ------------[ cut here ]------------
| [ 33.860354][ T445] WARNING: CPU: 2 PID: 445 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.861498][  T445] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.863879][  T445] Tainted: [W]=WARN
[   33.864354][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.865107][ T445] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.865717][ T445] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.867707][  T445] RSP: 0018:ffffc90000c06ef0 EFLAGS: 00010246
[   33.868465][  T445] RAX: 0000000000000000 RBX: ffff888008cb2000 RCX: 0000000000000001
[   33.869354][  T445] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   33.870218][  T445] RBP: ffffc90000c06fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.871089][  T445] R10: ffffc90000c07010 R11: ffffffffad2a8918 R12: 1ffff92000180de2
[   33.871934][  T445] R13: 00000000000005dc R14: ffffc90000c07010 R15: ffff888008cb2f08
[   33.872805][  T445] FS:  00007f9088498800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   33.873780][  T445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.874513][  T445] CR2: 00000000004e6890 CR3: 0000000016638004 CR4: 0000000000772ef0
[   33.875377][  T445] PKRU: 55555554
[   33.875784][  T445] Call Trace:
[   33.876220][  T445]  <TASK>
[ 33.876516][ T445] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.877107][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.877690][ T445] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.878278][ T445] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.878986][ T445] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.879573][ T445] netif_set_mtu (net/core/dev.c:9652) 
[ 33.880147][ T445] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.880743][ T445] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.881542][ T445] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.881985][ T445] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.882759][ T445] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.883434][ T445] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.884000][ T445] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.884575][ T445] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.885304][ T445] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.885875][ T445] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.886458][ T445] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.887072][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.887658][ T445] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.888238][ T445] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.888936][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.889533][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.890102][ T445] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.890658][ T445] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.891250][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.891831][ T445] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.892414][ T445] ? __create_object (mm/kmemleak.c:771) 
[ 33.892974][ T445] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.893567][ T445] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.894148][ T445] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.894830][ T445] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.895425][ T445] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.896037][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.896609][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.897198][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.897755][ T445] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.898316][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.898903][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.899489][ T445] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.899848][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.900192][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.900514][ T445] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.900827][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.901155][ T445] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.901481][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.901825][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.902155][ T445] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.902485][ T445] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.902801][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.903134][ T445] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.903455][ T445] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.903773][ T445] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.904106][ T445] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.904437][ T445] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.904755][ T445] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.905168][ T445] ___sys_sendmsg (net/socket.c:2670) 
[ 33.905481][ T445] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.905798][ T445] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.906201][ T445] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.906522][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.906838][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.907177][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.907584][ T445] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.907945][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.908322][ T445] __sys_sendmsg (net/socket.c:2700) 
[ 33.908684][ T445] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.909134][ T445] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.909509][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.909893][ T445] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.910273][ T445] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.910714][  T445] RIP: 0033:0x7f90886651e7
[ 33.911096][ T445] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.912333][  T445] RSP: 002b:00007fffddf9e398 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.912874][  T445] RAX: ffffffffffffffda RBX: 00007fffddf9eac0 RCX: 00007f90886651e7
[   33.913410][  T445] RDX: 0000000000000000 RSI: 00007fffddf9e400 RDI: 0000000000000005
[   33.913936][  T445] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.914471][  T445] R10: 0000000034a80910 R11: 0000000000000246 R12: 0000000000000004
[   33.915002][  T445] R13: 00000000686e143a R14: 0000000000499600 R15: 0000000000000000
| [   61.509823][  T661] ------------[ cut here ]------------
| [ 61.511087][ T661] WARNING: CPU: 1 PID: 661 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) 
| [   61.511697][  T661] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   61.512949][  T661] Tainted: [W]=WARN
[   61.513188][  T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.513573][ T661] 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) 
[ 61.513885][ T661] 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
[   61.514966][  T661] RSP: 0018:ffffc900013c6f70 EFLAGS: 00010246
[   61.515355][  T661] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   61.515814][  T661] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   61.516273][  T661] RBP: ffffc900013c7058 R08: 0000000000000000 R09: 0000000000000000
[   61.516753][  T661] R10: ffffc900013c7088 R11: ffffffffa8800130 R12: 1ffff92000278df2
[   61.517229][  T661] R13: 00000000000005dc R14: ffffc900013c7088 R15: ffff88800981af08
[   61.517687][  T661] FS:  00007f886b420800(0000) GS:ffff888087d37000(0000) knlGS:0000000000000000
[   61.518226][  T661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.518607][  T661] CR2: 00000000004e5ab0 CR3: 0000000009b63003 CR4: 0000000000772ef0
[   61.519073][  T661] PKRU: 55555554
[   61.519302][  T661] Call Trace:
[   61.519530][  T661]  <TASK>
[ 61.519700][ T661] ? __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) 
[ 61.520139][ T661] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.520492][ T661] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.520799][ T661] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.521113][ T661] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.521416][ T661] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.521716][ T661] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.522074][ T661] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.522383][ T661] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.522689][ T661] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.522989][ T661] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.523303][ T661] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.523683][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.524008][ T661] netif_set_mtu (net/core/dev.c:9652) 
[ 61.524329][ T661] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.524650][ T661] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.524880][ T661] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.525301][ T661] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.525642][ T661] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.525946][ T661] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.526267][ T661] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.526581][ T661] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.526962][ T661] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.527271][ T661] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.527574][ T661] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.527882][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.528194][ T661] ? __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) 
[ 61.528505][ T661] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.528881][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.529192][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.529496][ T661] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.529835][ T661] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.530176][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.530477][ T661] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.530777][ T661] ? __create_object (mm/kmemleak.c:771) 
[ 61.531150][ T661] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.531459][ T661] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.531759][ T661] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.532167][ T661] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.532480][ T661] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.532788][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.533098][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.533427][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.533730][ T661] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.534047][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.534350][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.534650][ T661] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.534955][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.535270][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.535580][ T661] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.535885][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.536197][ T661] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.536509][ T661] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.536829][ T661] ? 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) 
[ 61.537170][ T661] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.537485][ T661] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.537785][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.538107][ T661] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.538412][ T661] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.538714][ T661] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.539034][ T661] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.539340][ T661] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.539683][ T661] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.540080][ T661] ___sys_sendmsg (net/socket.c:2670) 
[ 61.540408][ T661] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.540709][ T661] ? __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) 
[ 61.541094][ T661] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.541400][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.541722][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.542044][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.542352][ T661] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.542657][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.542966][ T661] __sys_sendmsg (net/socket.c:2700) 
[ 61.543272][ T661] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.543646][ T661] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.543964][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.544282][ T661] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.544590][ T661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.544993][  T661] RIP: 0033:0x7f886b5ed1e7
[ 61.545319][ T661] 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)
[   61.546434][  T661] RSP: 002b:00007ffe8e384938 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.546893][  T661] RAX: ffffffffffffffda RBX: 00007ffe8e385060 RCX: 00007f886b5ed1e7
[   61.547359][  T661] RDX: 0000000000000000 RSI: 00007ffe8e3849a0 RDI: 0000000000000005
[   61.547810][  T661] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.548272][  T661] R10: 00007f886b4eaee8 R11: 0000000000000246 R12: 0000000000000003
[   61.548724][  T661] R13: 00000000686e1456 R14: 0000000000499600 R15: 0000000000000000
| [   61.897883][  T664] ------------[ cut here ]------------
| [ 61.898250][ T664] WARNING: CPU: 2 PID: 664 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) 
| [   61.898865][  T664] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   61.901079][  T664] Tainted: [W]=WARN
[   61.901328][  T664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.901721][ T664] 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) 
[ 61.902063][ T664] 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
[   61.903165][  T664] RSP: 0018:ffffc900013e6f70 EFLAGS: 00010246
[   61.903563][  T664] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   61.904043][  T664] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   61.904507][  T664] RBP: ffffc900013e7058 R08: 0000000000000000 R09: 0000000000000000
[   61.904972][  T664] R10: ffffc900013e7088 R11: ffffffffac979160 R12: 1ffff9200027cdf2
[   61.905444][  T664] R13: 00000000000005dc R14: ffffc900013e7088 R15: ffff88800981af08
[   61.905910][  T664] FS:  00007f7e3a285800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   61.906502][  T664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.906923][  T664] CR2: 00000000004e5aa8 CR3: 000000001653c004 CR4: 0000000000772ef0
[   61.907438][  T664] PKRU: 55555554
[   61.907680][  T664] Call Trace:
[   61.907921][  T664]  <TASK>
[ 61.908098][ T664] ? __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) 
[ 61.908503][ T664] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.908855][ T664] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.909184][ T664] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.909497][ T664] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.909828][ T664] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.910151][ T664] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.910468][ T664] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.910784][ T664] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.911110][ T664] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.911423][ T664] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.911740][ T664] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.912134][ T664] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.912461][ T664] netif_set_mtu (net/core/dev.c:9652) 
[ 61.912777][ T664] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.913119][ T664] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.913368][ T664] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.913793][ T664] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.914152][ T664] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.914470][ T664] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.914789][ T664] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.915118][ T664] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.915515][ T664] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.915832][ T664] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.916175][ T664] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.916495][ T664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.916813][ T664] ? __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) 
[ 61.917137][ T664] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.917529][ T664] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.917844][ T664] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.918174][ T664] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.918488][ T664] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.918813][ T664] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.919138][ T664] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.919487][ T664] ? __create_object (mm/kmemleak.c:771) 
[ 61.919816][ T664] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.920199][ T664] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.920516][ T664] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.920909][ T664] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.921246][ T664] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.921565][ T664] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.921881][ T664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.922212][ T664] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.922531][ T664] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.922842][ T664] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.923170][ T664] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.923521][ T664] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.923838][ T664] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.924164][ T664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.924486][ T664] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.924799][ T664] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.925124][ T664] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.925449][ T664] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.925767][ T664] ? 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) 
[ 61.926094][ T664] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.926410][ T664] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.926725][ T664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.927062][ T664] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.927380][ T664] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.927695][ T664] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.928060][ T664] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.928380][ T664] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.928694][ T664] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.929131][ T664] ___sys_sendmsg (net/socket.c:2670) 
[ 61.929450][ T664] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.929773][ T664] ? __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) 
[ 61.930175][ T664] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.930506][ T664] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.930826][ T664] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.931162][ T664] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.931481][ T664] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.931794][ T664] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.932126][ T664] __sys_sendmsg (net/socket.c:2700) 
[ 61.932437][ T664] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.932835][ T664] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.933171][ T664] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.933493][ T664] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.933819][ T664] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.934225][  T664] RIP: 0033:0x7f7e3a4521e7
[ 61.934550][ T664] 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)
[   61.935683][  T664] RSP: 002b:00007ffd05d4e7d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.936258][  T664] RAX: ffffffffffffffda RBX: 00007ffd05d4ef00 RCX: 00007f7e3a4521e7
[   61.936724][  T664] RDX: 0000000000000000 RSI: 00007ffd05d4e840 RDI: 0000000000000005
[   61.937203][  T664] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.937670][  T664] R10: 00007f7e3a34fee8 R11: 0000000000000246 R12: 0000000000000003
[   61.938143][  T664] R13: 00000000686e1456 R14: 0000000000499600 R15: 0000000000000000
| [   62.161260][  T666] ------------[ cut here ]------------
| [ 62.161584][ T666] WARNING: CPU: 3 PID: 666 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) 
| [   62.163561][  T666] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.164878][  T666] Tainted: [W]=WARN
[   62.165130][  T666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.165531][ T666] 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) 
[ 62.165860][ T666] 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
[   62.167020][  T666] RSP: 0018:ffffc900013e6f70 EFLAGS: 00010246
[   62.167424][  T666] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   62.167907][  T666] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   62.168398][  T666] RBP: ffffc900013e7058 R08: 0000000000000000 R09: 0000000000000000
[   62.168881][  T666] R10: ffffc900013e7088 R11: ffffffffac979160 R12: 1ffff9200027cdf2
[   62.169373][  T666] R13: 00000000000005dc R14: ffffc900013e7088 R15: ffff88800981af08
[   62.169875][  T666] FS:  00007f1a0fb4e800(0000) GS:ffff888087e37000(0000) knlGS:0000000000000000
[   62.170448][  T666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.170856][  T666] CR2: 00000000004e6100 CR3: 0000000016548001 CR4: 0000000000772ef0
[   62.171356][  T666] PKRU: 55555554
[   62.171599][  T666] Call Trace:
[   62.171839][  T666]  <TASK>
[ 62.172002][ T666] ? __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) 
[ 62.172427][ T666] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.172806][ T666] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.173152][ T666] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.173478][ T666] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.173800][ T666] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.174129][ T666] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.174469][ T666] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.174792][ T666] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.175129][ T666] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.175453][ T666] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.175773][ T666] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.176185][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.176516][ T666] netif_set_mtu (net/core/dev.c:9652) 
[ 62.176839][ T666] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.177200][ T666] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.177444][ T666] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.177886][ T666] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.178247][ T666] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.178568][ T666] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.178899][ T666] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.179236][ T666] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.179654][ T666] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.179976][ T666] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.180305][ T666] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.180631][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.180955][ T666] ? __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) 
[ 62.181288][ T666] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.181689][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.182022][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.182342][ T666] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.182661][ T666] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.182981][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.183310][ T666] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.183630][ T666] ? __create_object (mm/kmemleak.c:771) 
[ 62.183951][ T666] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.184282][ T666] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.184601][ T666] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.184996][ T666] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.185332][ T666] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.185656][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.185976][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.186332][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.186654][ T666] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.186971][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.187304][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.187625][ T666] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.187946][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.188279][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.188609][ T666] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.188946][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.189278][ T666] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.189626][ T666] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.189928][ T666] ? 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) 
[ 62.190245][ T666] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.190551][ T666] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.190858][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.191177][ T666] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.191484][ T666] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.191786][ T666] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.192104][ T666] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.192408][ T666] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.192708][ T666] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.193108][ T666] ___sys_sendmsg (net/socket.c:2670) 
[ 62.193408][ T666] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.193710][ T666] ? __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) 
[ 62.194098][ T666] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.194405][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.194710][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.195030][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.195334][ T666] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.195641][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.195952][ T666] __sys_sendmsg (net/socket.c:2700) 
[ 62.196263][ T666] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.196642][ T666] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.196957][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.197270][ T666] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.197574][ T666] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.197983][  T666] RIP: 0033:0x7f1a0fd1b1e7
[ 62.198319][ T666] 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)
[   62.199462][  T666] RSP: 002b:00007ffe09fbe788 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.199942][  T666] RAX: ffffffffffffffda RBX: 00007ffe09fbeeb0 RCX: 00007f1a0fd1b1e7
[   62.200412][  T666] RDX: 0000000000000000 RSI: 00007ffe09fbe7f0 RDI: 0000000000000005
[   62.200882][  T666] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.201346][  T666] R10: 00007f1a0fc18ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.201804][  T666] R13: 00000000686e1456 R14: 0000000000499600 R15: 0000000000000000
| [   62.828039][  T670] ------------[ cut here ]------------
| [ 62.828441][ T670] WARNING: CPU: 2 PID: 670 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) 
| [   62.829161][  T670] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.831060][  T670] Tainted: [W]=WARN
[   62.831354][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.831818][ T670] 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) 
[ 62.832212][ T670] 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
[   62.833455][  T670] RSP: 0018:ffffc90001416f70 EFLAGS: 00010246
[   62.833912][  T670] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   62.834483][  T670] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   62.835030][  T670] RBP: ffffc90001417058 R08: 0000000000000000 R09: 0000000000000000
[   62.835562][  T670] R10: ffffc90001417088 R11: ffffffffac979160 R12: 1ffff92000282df2
[   62.836103][  T670] R13: 00000000000005dc R14: ffffc90001417088 R15: ffff88800981af08
[   62.836640][  T670] FS:  00007fa63947e800(0000) GS:ffff888087db7000(0000) knlGS:0000000000000000
[   62.837269][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.837722][  T670] CR2: 00000000004e5de8 CR3: 0000000016502005 CR4: 0000000000772ef0
[   62.838280][  T670] PKRU: 55555554
[   62.838577][  T670] Call Trace:
[   62.838852][  T670]  <TASK>
[ 62.839065][ T670] ? __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) 
[ 62.839523][ T670] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.839956][ T670] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.840329][ T670] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.840689][ T670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.841060][ T670] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.841426][ T670] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.841796][ T670] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.842187][ T670] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.842550][ T670] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.842904][ T670] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.843286][ T670] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.843729][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.844122][ T670] netif_set_mtu (net/core/dev.c:9652) 
[ 62.844487][ T670] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.844868][ T670] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.845161][ T670] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.845650][ T670] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.846062][ T670] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.846432][ T670] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.846798][ T670] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.847174][ T670] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.847635][ T670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.847994][ T670] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.848369][ T670] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.848737][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.849120][ T670] ? __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) 
[ 62.849483][ T670] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.849943][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.850339][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.850702][ T670] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.851076][ T670] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.851436][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.851803][ T670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.852178][ T670] ? __create_object (mm/kmemleak.c:771) 
[ 62.852552][ T670] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.852909][ T670] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.853305][ T670] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.853746][ T670] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.854137][ T670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.854511][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.854873][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.855250][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.855610][ T670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.855962][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.856347][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.856712][ T670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.857085][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.857450][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.857818][ T670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.858204][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.858566][ T670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.858947][ T670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.859318][ T670] ? 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) 
[ 62.859703][ T670] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.860082][ T670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.860442][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.860808][ T670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.861184][ T670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.861556][ T670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.861922][ T670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.862313][ T670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.862677][ T670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.863142][ T670] ___sys_sendmsg (net/socket.c:2670) 
[ 62.863502][ T670] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.863865][ T670] ? __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) 
[ 62.864327][ T670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.864698][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.865072][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.865439][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.865797][ T670] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.866198][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.866571][ T670] __sys_sendmsg (net/socket.c:2700) 
[ 62.866925][ T670] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.867383][ T670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.867757][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.868136][ T670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.868497][ T670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.868936][  T670] RIP: 0033:0x7fa63964b1e7
[ 62.869318][ T670] 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)
[   62.870589][  T670] RSP: 002b:00007ffca15a5b88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.871136][  T670] RAX: ffffffffffffffda RBX: 00007ffca15a62b0 RCX: 00007fa63964b1e7
[   62.871663][  T670] RDX: 0000000000000000 RSI: 00007ffca15a5bf0 RDI: 0000000000000005
[   62.872209][  T670] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.872745][  T670] R10: 00007fa639548ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.873287][  T670] R13: 00000000686e1457 R14: 0000000000499600 R15: 0000000000000000
| [   63.647753][  T674] ------------[ cut here ]------------
| [ 63.648186][ T674] WARNING: CPU: 0 PID: 674 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) 
| [   63.649033][  T674] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.650691][  T674] Tainted: [W]=WARN
[   63.650994][  T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.651515][ T674] 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) 
[ 63.651924][ T674] 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
[   63.653131][  T674] RSP: 0018:ffffc90001426f70 EFLAGS: 00010246
[   63.653544][  T674] RAX: 0000000000000000 RBX: ffff88800981a000 RCX: 0000000000000001
[   63.654045][  T674] RDX: 0000000000000000 RSI: ffffffffac49b941 RDI: ffffffffabc555e0
[   63.654525][  T674] RBP: ffffc90001427058 R08: 0000000000000000 R09: 0000000000000000
[   63.655030][  T674] R10: ffffc90001427088 R11: ffffffffac979160 R12: 1ffff92000284df2
[   63.655533][  T674] R13: 00000000000005dc R14: ffffc90001427088 R15: ffff88800981af08
[   63.656038][  T674] FS:  00007f4d3f337800(0000) GS:ffff888087cb7000(0000) knlGS:0000000000000000
[   63.656635][  T674] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.657055][  T674] CR2: 00000000004e5ce0 CR3: 0000000015973003 CR4: 0000000000772ef0
[   63.657562][  T674] PKRU: 55555554
[   63.657814][  T674] Call Trace:
[   63.658071][  T674]  <TASK>
[ 63.658236][ T674] ? __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) 
[ 63.658665][ T674] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.659037][ T674] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.659375][ T674] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.659724][ T674] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.660063][ T674] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.660411][ T674] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.660755][ T674] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.661098][ T674] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.661695][ T674] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.662043][ T674] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.662381][ T674] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.662797][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.663152][ T674] netif_set_mtu (net/core/dev.c:9652) 
[ 63.663488][ T674] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.663830][ T674] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.664084][ T674] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.664760][ T674] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.665121][ T674] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.665457][ T674] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.665794][ T674] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.666150][ T674] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.666561][ T674] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.666890][ T674] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.667243][ T674] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.667800][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.668144][ T674] ? __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) 
[ 63.668474][ T674] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.668898][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.669460][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.669805][ T674] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.670141][ T674] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.670512][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.671083][ T674] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.671410][ T674] ? __create_object (mm/kmemleak.c:771) 
[ 63.671750][ T674] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.672325][ T674] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.672650][ T674] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.673077][ T674] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.673410][ T674] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.673960][ T674] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.674287][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.674632][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.674963][ T674] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.675513][ T674] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.675842][ T674] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.676187][ T674] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.676517][ T674] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.677079][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.677416][ T674] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.677753][ T674] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.678105][ T674] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.678673][ T674] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.678996][ T674] ? 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) 
[ 63.679338][ T674] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.679675][ T674] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.680238][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.680574][ T674] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.680905][ T674] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.681248][ T674] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.681801][ T674] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.682134][ T674] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.682467][ T674] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.682886][ T674] ___sys_sendmsg (net/socket.c:2670) 
[ 63.683435][ T674] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.683766][ T674] ? __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) 
[ 63.684209][ T674] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.684551][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.685116][ T674] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.685447][ T674] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.685776][ T674] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.686117][ T674] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.686671][ T674] __sys_sendmsg (net/socket.c:2700) 
[ 63.687001][ T674] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.687420][ T674] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.687763][ T674] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.688332][ T674] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.688686][ T674] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.689149][  T674] RIP: 0033:0x7f4d3f5041e7
[ 63.689733][ T674] 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)
[   63.690945][  T674] RSP: 002b:00007fffec3be858 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.691470][  T674] RAX: ffffffffffffffda RBX: 00007fffec3bef80 RCX: 00007f4d3f5041e7
[   63.691973][  T674] RDX: 0000000000000000 RSI: 00007fffec3be8c0 RDI: 0000000000000005
[   63.692512][  T674] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.693043][  T674] R10: 00007f4d3f401ee8 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