======================================
| [   20.918453][  T328] br1: port 1(vx10) entered forwarding state
| [   20.919882][  T328] ------------[ cut here ]------------
| [ 20.920208][ T328] WARNING: CPU: 3 PID: 328 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) 
| [   20.920847][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   20.923763][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.924180][ T328] 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) 
[ 20.924531][ T328] 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
[   20.925682][  T328] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   20.926098][  T328] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   20.926587][  T328] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   20.927071][  T328] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.927563][  T328] R10: ffffc900005d7010 R11: ffffffffab2a8918 R12: 1ffff920000bade2
[   20.928042][  T328] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800a4b2f08
[   20.928718][  T328] FS:  00007f63b185a800(0000) GS:ffff888089e37000(0000) knlGS:0000000000000000
[   20.929270][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.929692][  T328] CR2: 00000000004e5ce0 CR3: 0000000005905003 CR4: 0000000000772ef0
[   20.930183][  T328] PKRU: 55555554
[   20.930437][  T328] Call Trace:
[   20.930680][  T328]  <TASK>
[ 20.930844][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.931172][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.931525][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.931836][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.932224][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.932567][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 20.932882][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.933205][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.933659][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.933911][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.934340][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.934704][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.935016][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.935354][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.935750][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.936068][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.936424][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.936744][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.937068][ T328] ? __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) 
[ 20.937389][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.937796][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.938121][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.938458][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.938785][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.939112][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.939447][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.939770][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 20.940110][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.940448][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.940769][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.941190][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.941551][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.941883][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.942201][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.942553][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.942877][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.943197][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.943532][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.943853][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.944184][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.944521][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.944839][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.945152][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.945473][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.945800][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.946116][ T328] ? 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) 
[ 20.946449][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.946780][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.947116][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.947468][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.947809][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.948438][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.948775][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.949100][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.949661][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.950081][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 20.950641][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.950950][ T328] ? __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) 
[ 20.951355][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.951686][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.952000][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.952322][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.952638][ T328] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.952963][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.953280][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 20.953605][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.954005][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.954571][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.954884][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.955430][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.955810][  T328] RIP: 0033:0x7f63b1a271e7
[ 20.956610][ T328] 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)
[   20.957975][  T328] RSP: 002b:00007ffce89d4e48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   20.958459][  T328] RAX: ffffffffffffffda RBX: 00007ffce89d5570 RCX: 00007f63b1a271e7
[   20.959167][  T328] RDX: 0000000000000000 RSI: 00007ffce89d4eb0 RDI: 0000000000000005
[   20.959893][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   20.960370][  T328] R10: 0000000032a38910 R11: 0000000000000246 R12: 0000000000000004
[   20.960850][  T328] R13: 00000000686e497c R14: 0000000000499600 R15: 0000000000000000
| [   21.474518][  T333] ------------[ cut here ]------------
| [ 21.474828][ T333] WARNING: CPU: 3 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) 
| [   21.475455][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.476670][  T333] Tainted: [W]=WARN
[   21.476910][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.477305][ 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) 
[ 21.477645][ 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
[   21.478773][  T333] RSP: 0018:ffffc90000546ef0 EFLAGS: 00010246
[   21.479165][  T333] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   21.479653][  T333] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   21.480130][  T333] RBP: ffffc90000546fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.480621][  T333] R10: ffffc90000547010 R11: ffffffffab2a8918 R12: 1ffff920000a8de2
[   21.481096][  T333] R13: 00000000000005dc R14: ffffc90000547010 R15: ffff88800a4b2f08
[   21.481598][  T333] FS:  00007f8f83a59800(0000) GS:ffff888089e37000(0000) knlGS:0000000000000000
[   21.482152][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.482567][  T333] CR2: 00000000004e5de8 CR3: 000000000df82005 CR4: 0000000000772ef0
[   21.483049][  T333] PKRU: 55555554
[   21.483281][  T333] Call Trace:
[   21.483538][  T333]  <TASK>
[ 21.483717][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.484030][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.484362][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.484693][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.485082][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.485417][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 21.485744][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.486061][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.486501][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.486741][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.487158][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.487525][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.487856][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.488179][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.488570][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.488893][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.489208][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.489541][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.489866][ 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) 
[ 21.490171][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.490585][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.490913][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.491230][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.491560][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.491877][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.492185][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.492507][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 21.492832][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.493151][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.493480][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.493870][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.494182][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.494527][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.494845][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.495178][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.495507][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.495827][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.496145][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.496473][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.496791][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.497113][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.497444][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.497774][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.498086][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.498427][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.498745][ 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) 
[ 21.499057][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.499375][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.499685][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.499999][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.500346][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.500664][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.500993][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.501328][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.501661][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.502067][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 21.502390][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.502711][ 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) 
[ 21.503120][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.503455][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.503784][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.504105][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.504420][ 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) 
[ 21.504760][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.505090][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 21.505424][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.505820][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.506153][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.506487][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.506821][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.507216][  T333] RIP: 0033:0x7f8f83c261e7
[ 21.507546][ 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)
[   21.508657][  T333] RSP: 002b:00007fff6c0f32d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.509131][  T333] RAX: ffffffffffffffda RBX: 00007fff6c0f3a00 RCX: 00007f8f83c261e7
[   21.509620][  T333] RDX: 0000000000000000 RSI: 00007fff6c0f3340 RDI: 0000000000000005
[   21.510109][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.510615][  T333] R10: 000000001b09b910 R11: 0000000000000246 R12: 0000000000000004
[   21.511100][  T333] R13: 00000000686e497d R14: 0000000000499600 R15: 0000000000000000
| [   21.740271][  T335] ------------[ cut here ]------------
| [ 21.740607][ T335] WARNING: CPU: 1 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) 
| [   21.741209][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   21.743545][  T335] Tainted: [W]=WARN
[   21.743783][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.744163][ 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) 
[ 21.744487][ 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
[   21.745589][  T335] RSP: 0018:ffffc900005a6ef0 EFLAGS: 00010246
[   21.745973][  T335] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   21.746438][  T335] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   21.746903][  T335] RBP: ffffc900005a6fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.747367][  T335] R10: ffffc900005a7010 R11: ffffffffab2a8918 R12: 1ffff920000b4de2
[   21.747824][  T335] R13: 00000000000005dc R14: ffffc900005a7010 R15: ffff88800a4b2f08
[   21.748279][  T335] FS:  00007efea8036800(0000) GS:ffff888089d37000(0000) knlGS:0000000000000000
[   21.748839][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.749225][  T335] CR2: 00000000004e5aa8 CR3: 000000000df4c004 CR4: 0000000000772ef0
[   21.749696][  T335] PKRU: 55555554
[   21.749925][  T335] Call Trace:
[   21.750155][  T335]  <TASK>
[ 21.750327][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.750638][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.750956][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.751262][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.751678][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.751990][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 21.752310][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.752628][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.753058][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.753296][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.753727][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.754080][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.754420][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.754736][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.755123][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.755440][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.755747][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.756055][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.756371][ 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) 
[ 21.756676][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.757055][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.757370][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.757671][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.757978][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.758282][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.758595][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.758896][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 21.759203][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.759518][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.759826][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.760207][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.760528][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.760839][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.761142][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.761472][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.761776][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.762082][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.762399][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.762705][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.763010][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.763331][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.763644][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.763951][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.764254][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.764589][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.764898][ 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) 
[ 21.765202][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.765517][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.765819][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.766126][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.766441][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.766745][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.767070][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.767386][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.767688][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.768080][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 21.768386][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.768689][ 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) 
[ 21.769071][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.769391][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.769727][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.770038][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.770349][ 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) 
[ 21.770652][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.770961][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 21.771265][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.771659][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.772056][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.772370][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.772675][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.773051][  T335] RIP: 0033:0x7efea82031e7
[ 21.773376][ 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)
[   21.774470][  T335] RSP: 002b:00007ffc73987278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.774927][  T335] RAX: ffffffffffffffda RBX: 00007ffc739879a0 RCX: 00007efea82031e7
[   21.775390][  T335] RDX: 0000000000000000 RSI: 00007ffc739872e0 RDI: 0000000000000005
[   21.775847][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.776320][  T335] R10: 000000000c9a7910 R11: 0000000000000246 R12: 0000000000000004
[   21.776775][  T335] R13: 00000000686e497d R14: 0000000000499600 R15: 0000000000000000
| [   22.155350][  T338] ------------[ cut here ]------------
| [ 22.155703][ T338] WARNING: CPU: 2 PID: 338 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) 
| [   22.156632][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.157905][  T338] Tainted: [W]=WARN
[   22.158162][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.158574][ T338] 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) 
[ 22.158909][ T338] 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
[   22.160032][  T338] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   22.160445][  T338] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   22.160914][  T338] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   22.161407][  T338] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.161876][  T338] R10: ffffc900005d7010 R11: ffffffffab2a8918 R12: 1ffff920000bade2
[   22.162379][  T338] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800a4b2f08
[   22.162855][  T338] FS:  00007fea9561c800(0000) GS:ffff888089db7000(0000) knlGS:0000000000000000
[   22.163434][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.163833][  T338] CR2: 00000000004e5ab0 CR3: 000000000df4c002 CR4: 0000000000772ef0
[   22.164321][  T338] PKRU: 55555554
[   22.164565][  T338] Call Trace:
[   22.164808][  T338]  <TASK>
[ 22.164995][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.165333][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.165663][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.165993][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.166417][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.166751][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 22.167078][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.167436][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.167884][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.168132][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.168594][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.168966][ T338] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.169343][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.169691][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.170114][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.170488][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.170828][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.171181][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.171578][ T338] ? __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) 
[ 22.171906][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.172315][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.172638][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.172953][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.173271][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.173607][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.173937][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.174265][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 22.174600][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.174921][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.175244][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.175649][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.175982][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.176325][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.176645][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.176978][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.177318][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.177637][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.177959][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.178283][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.178621][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.178943][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.179277][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.179628][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.179953][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.180286][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.180636][ T338] ? 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) 
[ 22.180959][ T338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.181285][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.181639][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.181965][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.182291][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.182622][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.182947][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.183272][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.183608][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.184038][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 22.184394][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.184746][ T338] ? __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) 
[ 22.185155][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.185521][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.185860][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.186214][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.186561][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.186910][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.187254][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 22.187606][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.188019][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.188385][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.188721][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.189059][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.189503][  T338] RIP: 0033:0x7fea957e91e7
[ 22.189853][ T338] 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)
[   22.191034][  T338] RSP: 002b:00007ffe75c756a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.191584][  T338] RAX: ffffffffffffffda RBX: 00007ffe75c75dd0 RCX: 00007fea957e91e7
[   22.192092][  T338] RDX: 0000000000000000 RSI: 00007ffe75c75710 RDI: 0000000000000005
[   22.192582][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.193070][  T338] R10: 00000000301df910 R11: 0000000000000246 R12: 0000000000000004
[   22.193571][  T338] R13: 00000000686e497d R14: 0000000000499600 R15: 0000000000000000
| [   22.894416][  T344] ------------[ cut here ]------------
| [ 22.894722][ T344] WARNING: CPU: 3 PID: 344 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) 
| [   22.895344][  T344] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.896559][  T344] Tainted: [W]=WARN
[   22.896796][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.897191][ T344] 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) 
[ 22.897523][ T344] 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
[   22.898639][  T344] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   22.899026][  T344] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   22.899502][  T344] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   22.899970][  T344] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.900439][  T344] R10: ffffc900005d7010 R11: ffffffffab2a8918 R12: 1ffff920000bade2
[   22.900899][  T344] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff88800a4b2f08
[   22.901373][  T344] FS:  00007fbc053b2800(0000) GS:ffff888089e37000(0000) knlGS:0000000000000000
[   22.901921][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.902312][  T344] CR2: 00000000004e6890 CR3: 000000000dc8f006 CR4: 0000000000772ef0
[   22.902771][  T344] PKRU: 55555554
[   22.903003][  T344] Call Trace:
[   22.903230][  T344]  <TASK>
[ 22.903397][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.903704][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.904026][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.904341][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.904728][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.905039][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 22.905358][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.905683][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.906116][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.906362][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.906789][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.907144][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.907466][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.907779][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.908169][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.908489][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.908801][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.909112][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.909433][ T344] ? __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) 
[ 22.909744][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.910129][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.910451][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.910761][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.911087][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.911431][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.911743][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.912047][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 22.912367][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.912685][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.912992][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.913388][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.913703][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.914014][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.914327][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.914643][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.914958][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.915264][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.915580][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.915893][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.916200][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.916520][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.916836][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.917160][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.917482][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.917803][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.918114][ T344] ? 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) 
[ 22.918431][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.918745][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.919051][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.919372][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.919686][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.919998][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.920330][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.920647][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.920954][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.921366][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 22.921675][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.921985][ T344] ? __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) 
[ 22.922379][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.922694][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.923007][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.923327][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.923641][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.923948][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.924265][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 22.924600][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.924985][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.925311][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.925621][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.925930][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.926318][  T344] RIP: 0033:0x7fbc0557f1e7
[ 22.926634][ T344] 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)
[   22.927977][  T344] RSP: 002b:00007ffc6e3f7688 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.928680][  T344] RAX: ffffffffffffffda RBX: 00007ffc6e3f7db0 RCX: 00007fbc0557f1e7
[   22.929138][  T344] RDX: 0000000000000000 RSI: 00007ffc6e3f76f0 RDI: 0000000000000005
[   22.929832][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.930289][  T344] R10: 0000000004364910 R11: 0000000000000246 R12: 0000000000000004
[   22.930981][  T344] R13: 00000000686e497e R14: 0000000000499600 R15: 0000000000000000
| [   32.287691][  T437] ------------[ cut here ]------------
| [ 32.288036][ T437] WARNING: CPU: 1 PID: 437 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) 
| [   32.288762][  T437] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.290094][  T437] Tainted: [W]=WARN
[   32.290348][  T437] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.290756][ T437] 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) 
[ 32.291123][ T437] 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
[   32.292310][  T437] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   32.292726][  T437] RAX: 0000000000000000 RBX: ffff88800f5a2000 RCX: 0000000000000001
[   32.293209][  T437] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   32.293704][  T437] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.294194][  T437] R10: ffffc90000b87010 R11: ffffffffaa979160 R12: 1ffff92000170de2
[   32.294705][  T437] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88800f5a2f08
[   32.295186][  T437] FS:  00007f41198c1800(0000) GS:ffff888089d37000(0000) knlGS:0000000000000000
[   32.295774][  T437] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.296187][  T437] CR2: 00000000004e5ce0 CR3: 000000000fd52006 CR4: 0000000000772ef0
[   32.296693][  T437] PKRU: 55555554
[   32.296938][  T437] Call Trace:
[   32.297185][  T437]  <TASK>
[ 32.297387][ T437] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.297719][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.298066][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.298412][ T437] netif_set_mtu (net/core/dev.c:9652) 
[ 32.298744][ T437] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.299089][ T437] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.299353][ T437] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.299811][ T437] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.300183][ T437] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.300562][ T437] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.300901][ T437] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.301335][ T437] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.301670][ T437] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.301987][ T437] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.302313][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.302627][ T437] ? __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) 
[ 32.302941][ T437] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.303340][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.303651][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.303957][ T437] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.304264][ T437] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.304588][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.304892][ T437] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.305198][ T437] ? __create_object (mm/kmemleak.c:771) 
[ 32.305525][ T437] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.305833][ T437] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.306138][ T437] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.306534][ T437] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.306846][ T437] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.307170][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.307503][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.307819][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.308130][ T437] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.308443][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.308751][ T437] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.309059][ T437] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.309379][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.309692][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.310004][ T437] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.310340][ T437] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.310650][ T437] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.310967][ T437] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.311290][ T437] ? 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) 
[ 32.311629][ T437] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.311955][ T437] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.312270][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.312599][ T437] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.312910][ T437] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.313221][ T437] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.313552][ T437] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.313868][ T437] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.314174][ T437] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.314580][ T437] ___sys_sendmsg (net/socket.c:2670) 
[ 32.314899][ T437] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.315208][ T437] ? __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) 
[ 32.315599][ T437] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.315908][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.316219][ T437] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.316542][ T437] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.316843][ T437] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.317160][ T437] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.317489][ T437] __sys_sendmsg (net/socket.c:2700) 
[ 32.317791][ T437] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.318171][ T437] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.318514][ T437] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.318842][ T437] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.319164][ T437] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.319575][  T437] RIP: 0033:0x7f4119a8e1e7
[ 32.319920][ T437] 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)
[   32.321031][  T437] RSP: 002b:00007ffffacd7f78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.321521][  T437] RAX: ffffffffffffffda RBX: 00007ffffacd86a0 RCX: 00007f4119a8e1e7
[   32.321988][  T437] RDX: 0000000000000000 RSI: 00007ffffacd7fe0 RDI: 0000000000000005
[   32.322463][  T437] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.322920][  T437] R10: 000000000ce7a910 R11: 0000000000000246 R12: 0000000000000004
[   32.323390][  T437] R13: 00000000686e4988 R14: 0000000000499600 R15: 0000000000000000
| [   32.795133][  T441] ------------[ cut here ]------------
| [ 32.795481][ T441] WARNING: CPU: 3 PID: 441 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) 
| [   32.796132][  T441] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   32.797470][  T441] Tainted: [W]=WARN
[   32.797714][  T441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 32.798123][ T441] 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) 
[ 32.798480][ T441] 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
[   32.799643][  T441] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   32.800062][  T441] RAX: 0000000000000000 RBX: ffff88800f5a2000 RCX: 0000000000000001
[   32.800553][  T441] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   32.801035][  T441] RBP: ffffc90000bd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   32.801559][  T441] R10: ffffc90000bd7010 R11: ffffffffaa979160 R12: 1ffff9200017ade2
[   32.802053][  T441] R13: 00000000000005dc R14: ffffc90000bd7010 R15: ffff88800f5a2f08
[   32.802549][  T441] FS:  00007f7e6d3cc800(0000) GS:ffff888089e37000(0000) knlGS:0000000000000000
[   32.803119][  T441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.803542][  T441] CR2: 00000000004e5de8 CR3: 000000000eb95006 CR4: 0000000000772ef0
[   32.804031][  T441] PKRU: 55555554
[   32.804279][  T441] Call Trace:
[   32.804539][  T441]  <TASK>
[ 32.804710][ T441] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 32.805036][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.805383][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.805715][ T441] netif_set_mtu (net/core/dev.c:9652) 
[ 32.806044][ T441] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 32.806399][ T441] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 32.806657][ T441] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 32.807121][ T441] br_add_if (net/bridge/br_if.c:697) bridge 
[ 32.807512][ T441] do_set_master (net/core/rtnetlink.c:2948) 
[ 32.807847][ T441] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 32.808181][ T441] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 32.808605][ T441] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 32.808933][ T441] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 32.809264][ T441] ? __kernel_text_address (kernel/extable.c:79) 
[ 32.809607][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.809935][ T441] ? __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) 
[ 32.810262][ T441] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 32.810681][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.811010][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.811341][ T441] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 32.811686][ T441] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 32.812013][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.812348][ T441] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 32.812668][ T441] ? __create_object (mm/kmemleak.c:771) 
[ 32.813000][ T441] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 32.813346][ T441] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 32.813673][ T441] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 32.814073][ T441] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 32.814413][ T441] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 32.814743][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.815064][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.815402][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.815726][ T441] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 32.816048][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.816389][ T441] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 32.816712][ T441] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 32.817040][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.817379][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.817709][ T441] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 32.818035][ T441] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 32.818370][ T441] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 32.818710][ T441] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 32.819032][ T441] ? 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) 
[ 32.819373][ T441] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 32.819702][ T441] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 32.820027][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.820372][ T441] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 32.820705][ T441] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 32.821032][ T441] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 32.821387][ T441] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 32.821729][ T441] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 32.822053][ T441] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 32.822480][ T441] ___sys_sendmsg (net/socket.c:2670) 
[ 32.822809][ T441] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 32.823133][ T441] ? __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) 
[ 32.823559][ T441] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 32.823886][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.824217][ T441] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 32.824563][ T441] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 32.824889][ T441] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 32.825214][ T441] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 32.825557][ T441] __sys_sendmsg (net/socket.c:2700) 
[ 32.825885][ T441] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 32.826288][ T441] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 32.826637][ T441] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 32.826965][ T441] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 32.827291][ T441] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   32.827706][  T441] RIP: 0033:0x7f7e6d5991e7
[ 32.828041][ T441] 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)
[   32.829205][  T441] RSP: 002b:00007ffc31ab7958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   32.829705][  T441] RAX: ffffffffffffffda RBX: 00007ffc31ab8080 RCX: 00007f7e6d5991e7
[   32.830190][  T441] RDX: 0000000000000000 RSI: 00007ffc31ab79c0 RDI: 0000000000000005
[   32.830688][  T441] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   32.831178][  T441] R10: 0000000001524910 R11: 0000000000000246 R12: 0000000000000004
[   32.831684][  T441] R13: 00000000686e4988 R14: 0000000000499600 R15: 0000000000000000
| [   33.290196][  T445] ------------[ cut here ]------------
| [ 33.290534][ T445] WARNING: CPU: 0 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) 
| [   33.291180][  T445] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.292551][  T445] Tainted: [W]=WARN
[   33.292794][  T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.293205][ 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) 
[ 33.293557][ 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
[   33.294708][  T445] RSP: 0018:ffffc900005f6ef0 EFLAGS: 00010246
[   33.295114][  T445] RAX: 0000000000000000 RBX: ffff88800f5a2000 RCX: 0000000000000001
[   33.295644][  T445] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   33.296126][  T445] RBP: ffffc900005f6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.296627][  T445] R10: ffffc900005f7010 R11: ffffffffab2a8918 R12: 1ffff920000bede2
[   33.297110][  T445] R13: 00000000000005dc R14: ffffc900005f7010 R15: ffff88800f5a2f08
[   33.297627][  T445] FS:  00007f15b567f800(0000) GS:ffff888089cb7000(0000) knlGS:0000000000000000
[   33.298192][  T445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.298634][  T445] CR2: 00000000004e6890 CR3: 000000000ecac003 CR4: 0000000000772ef0
[   33.299119][  T445] PKRU: 55555554
[   33.299386][  T445] Call Trace:
[   33.299632][  T445]  <TASK>
[ 33.299802][ T445] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.300131][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.300491][ T445] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.300820][ T445] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.301223][ T445] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.301610][ T445] netif_set_mtu (net/core/dev.c:9652) 
[ 33.301936][ T445] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.302279][ T445] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.302759][ T445] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.303008][ T445] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.303472][ T445] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.303845][ T445] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.304173][ T445] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.304523][ T445] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.304949][ T445] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.305277][ T445] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.305623][ T445] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.305950][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.306275][ 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) 
[ 33.306644][ T445] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.307046][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.307377][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.307732][ T445] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.308055][ T445] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.308389][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.308727][ T445] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.309049][ T445] ? __create_object (mm/kmemleak.c:771) 
[ 33.309387][ T445] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.309730][ T445] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.310055][ T445] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.310463][ T445] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.310797][ T445] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.311122][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.311461][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.311806][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.312133][ T445] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.312473][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.312808][ T445] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.313127][ T445] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.313459][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.313812][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.314137][ T445] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.314469][ T445] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.314806][ T445] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.315140][ T445] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.315472][ 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) 
[ 33.315815][ T445] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.316139][ T445] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.316470][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.316810][ T445] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.317151][ T445] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.317483][ T445] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.317827][ T445] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.318151][ T445] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.318476][ T445] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.318896][ T445] ___sys_sendmsg (net/socket.c:2670) 
[ 33.319217][ T445] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.319561][ 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) 
[ 33.320004][ T445] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.320344][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.320670][ T445] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.321009][ T445] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.321342][ 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) 
[ 33.321686][ T445] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.322030][ T445] __sys_sendmsg (net/socket.c:2700) 
[ 33.322360][ T445] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.322739][ T445] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.323072][ T445] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.323395][ T445] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.323705][ T445] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.324101][  T445] RIP: 0033:0x7f15b584c1e7
[ 33.324436][ 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)
[   33.325566][  T445] RSP: 002b:00007ffe329d3c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.326064][  T445] RAX: ffffffffffffffda RBX: 00007ffe329d4340 RCX: 00007f15b584c1e7
[   33.326544][  T445] RDX: 0000000000000000 RSI: 00007ffe329d3c80 RDI: 0000000000000005
[   33.327032][  T445] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.327508][  T445] R10: 000000003bc5b910 R11: 0000000000000246 R12: 0000000000000004
[   33.327989][  T445] R13: 00000000686e4989 R14: 0000000000499600 R15: 0000000000000000
| [   33.569846][  T447] ------------[ cut here ]------------
| [ 33.570163][ T447] WARNING: CPU: 3 PID: 447 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.571894][  T447] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.573160][  T447] Tainted: [W]=WARN
[   33.573404][  T447] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.573783][ T447] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.574103][ T447] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.575204][  T447] RSP: 0018:ffffc90000bf6ef0 EFLAGS: 00010246
[   33.575602][  T447] RAX: 0000000000000000 RBX: ffff88800f5a2000 RCX: 0000000000000001
[   33.576063][  T447] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   33.576533][  T447] RBP: ffffc90000bf6fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.576994][  T447] R10: ffffc90000bf7010 R11: ffffffffaa979160 R12: 1ffff9200017ede2
[   33.577457][  T447] R13: 00000000000005dc R14: ffffc90000bf7010 R15: ffff88800f5a2f08
[   33.577915][  T447] FS:  00007fc67f138800(0000) GS:ffff888089e37000(0000) knlGS:0000000000000000
[   33.578461][  T447] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.578845][  T447] CR2: 00000000004e6890 CR3: 000000000eb8e004 CR4: 0000000000772ef0
[   33.579318][  T447] PKRU: 55555554
[   33.579548][  T447] Call Trace:
[   33.579778][  T447]  <TASK>
[ 33.579937][ T447] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.580251][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.580583][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.580890][ T447] netif_set_mtu (net/core/dev.c:9652) 
[ 33.581202][ T447] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.581543][ T447] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.581775][ T447] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.582205][ T447] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.582566][ T447] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.582889][ T447] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.583199][ T447] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.583614][ T447] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.583924][ T447] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.584228][ T447] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.584545][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.584852][ T447] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.585163][ T447] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.585554][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.585861][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.586163][ T447] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.586478][ T447] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.586784][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.587090][ T447] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.587408][ T447] ? __create_object (mm/kmemleak.c:771) 
[ 33.587716][ T447] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.588020][ T447] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.588333][ T447] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.588710][ T447] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.589021][ T447] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.589341][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.589646][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.589960][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.590265][ T447] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.590578][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.590883][ T447] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.591186][ T447] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.591523][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.591832][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.592147][ T447] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.592465][ T447] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.592769][ T447] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.593083][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.593398][ T447] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.593704][ T447] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.594012][ T447] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.594330][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.594641][ T447] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.594950][ T447] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.595257][ T447] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.595584][ T447] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.595894][ T447] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.596244][ T447] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.596656][ T447] ___sys_sendmsg (net/socket.c:2670) 
[ 33.596959][ T447] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.597264][ T447] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.597657][ T447] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.597967][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.598277][ T447] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.598597][ T447] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.598902][ T447] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.599213][ T447] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.599535][ T447] __sys_sendmsg (net/socket.c:2700) 
[ 33.599840][ T447] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.600213][ T447] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.600537][ T447] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.600842][ T447] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.601149][ T447] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.601550][  T447] RIP: 0033:0x7fc67f3051e7
[ 33.601869][ T447] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.602966][  T447] RSP: 002b:00007ffec3a11058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.603443][  T447] RAX: ffffffffffffffda RBX: 00007ffec3a11780 RCX: 00007fc67f3051e7
[   33.603903][  T447] RDX: 0000000000000000 RSI: 00007ffec3a110c0 RDI: 0000000000000005
[   33.604372][  T447] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.604826][  T447] R10: 00000000106a0910 R11: 0000000000000246 R12: 0000000000000004
[   33.605281][  T447] R13: 00000000686e4989 R14: 0000000000499600 R15: 0000000000000000
| [   33.965909][  T450] ------------[ cut here ]------------
| [ 33.966220][ T450] WARNING: CPU: 0 PID: 450 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) 
| [   33.966857][  T450] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.968136][  T450] Tainted: [W]=WARN
[   33.968375][  T450] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.968770][ T450] 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) 
[ 33.969089][ T450] 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
[   33.970199][  T450] RSP: 0018:ffffc90000c06ef0 EFLAGS: 00010246
[   33.970617][  T450] RAX: 0000000000000000 RBX: ffff88800f5a2000 RCX: 0000000000000001
[   33.971073][  T450] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   33.971559][  T450] RBP: ffffc90000c06fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.972016][  T450] R10: ffffc90000c07010 R11: ffffffffab2a8918 R12: 1ffff92000180de2
[   33.972486][  T450] R13: 00000000000005dc R14: ffffc90000c07010 R15: ffff88800f5a2f08
[   33.972956][  T450] FS:  00007fcd53a3b800(0000) GS:ffff888089cb7000(0000) knlGS:0000000000000000
[   33.973513][  T450] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.973917][  T450] CR2: 00000000004e6890 CR3: 0000000009818003 CR4: 0000000000772ef0
[   33.974383][  T450] PKRU: 55555554
[   33.974623][  T450] Call Trace:
[   33.974851][  T450]  <TASK>
[ 33.975009][ T450] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.975324][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.975666][ T450] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 33.975983][ T450] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 33.976376][ T450] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 33.976699][ T450] netif_set_mtu (net/core/dev.c:9652) 
[ 33.977011][ T450] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.977336][ T450] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 33.977784][ T450] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.978022][ T450] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.978452][ T450] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.978820][ T450] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.979128][ T450] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.979558][ T450] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.979960][ T450] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.980263][ T450] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.980583][ T450] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.980905][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.981213][ T450] ? __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) 
[ 33.981537][ T450] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.981953][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.982263][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.982575][ T450] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.982901][ T450] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.983208][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.983544][ T450] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.983860][ T450] ? __create_object (mm/kmemleak.c:771) 
[ 33.984170][ T450] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.984504][ T450] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.984825][ T450] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.985205][ T450] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.985539][ T450] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.985867][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.986178][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.986498][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.986802][ T450] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.987123][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.987465][ T450] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.987770][ T450] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.988098][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.988433][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.988743][ T450] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.989067][ T450] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.989405][ T450] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.989721][ T450] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.990040][ T450] ? 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) 
[ 33.990365][ T450] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.990672][ T450] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.990989][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.991312][ T450] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.991629][ T450] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.991933][ T450] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.992258][ T450] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.992582][ T450] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.992884][ T450] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.993290][ T450] ___sys_sendmsg (net/socket.c:2670) 
[ 33.993600][ T450] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.993902][ T450] ? __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) 
[ 33.994297][ T450] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.994613][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.994924][ T450] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.995250][ T450] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.995560][ T450] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.995864][ T450] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.996186][ T450] __sys_sendmsg (net/socket.c:2700) 
[ 33.996515][ T450] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.996893][ T450] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.997235][ T450] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.997559][ T450] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.997864][ T450] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.998260][  T450] RIP: 0033:0x7fcd53c081e7
[ 33.998589][ T450] 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)
[   33.999719][  T450] RSP: 002b:00007ffef68700f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.000190][  T450] RAX: ffffffffffffffda RBX: 00007ffef6870820 RCX: 00007fcd53c081e7
[   34.000656][  T450] RDX: 0000000000000000 RSI: 00007ffef6870160 RDI: 0000000000000005
[   34.001112][  T450] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.001615][  T450] R10: 000000000fdc2910 R11: 0000000000000246 R12: 0000000000000004
[   34.002069][  T450] R13: 00000000686e4989 R14: 0000000000499600 R15: 0000000000000000
| [   60.514521][  T657] ------------[ cut here ]------------
| [ 60.514848][ T657] WARNING: CPU: 0 PID: 657 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) 
| [   60.515467][  T657] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   60.516735][  T657] Tainted: [W]=WARN
[   60.516967][  T657] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.517361][ T657] 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) 
[ 60.517681][ T657] 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
[   60.518771][  T657] RSP: 0018:ffffc90001356f70 EFLAGS: 00010246
[   60.519159][  T657] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   60.519635][  T657] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   60.520101][  T657] RBP: ffffc90001357058 R08: 0000000000000000 R09: 0000000000000000
[   60.520585][  T657] R10: ffffc90001357088 R11: ffffffffa6800130 R12: 1ffff9200026adf2
[   60.521050][  T657] R13: 00000000000005dc R14: ffffc90001357088 R15: ffff88800a4b2f08
[   60.521793][  T657] FS:  00007fcf57c3c800(0000) GS:ffff888089cb7000(0000) knlGS:0000000000000000
[   60.522580][  T657] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.522975][  T657] CR2: 00000000004e5ab0 CR3: 000000000df0f002 CR4: 0000000000772ef0
[   60.523592][  T657] PKRU: 55555554
[   60.523828][  T657] Call Trace:
[   60.524060][  T657]  <TASK>
[ 60.524215][ T657] ? __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) 
[ 60.524616][ T657] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.524972][ T657] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.525292][ T657] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.525633][ T657] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.525945][ T657] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.526253][ T657] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.526567][ T657] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.526877][ T657] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.527179][ T657] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.527496][ T657] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.527806][ T657] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.528187][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.528519][ T657] netif_set_mtu (net/core/dev.c:9652) 
[ 60.528824][ T657] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.529159][ T657] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.529406][ T657] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.529827][ T657] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.530162][ T657] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.530483][ T657] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.530791][ T657] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.531100][ T657] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.531522][ T657] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.531830][ T657] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.532134][ T657] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.532455][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.532766][ T657] ? __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) 
[ 60.533071][ T657] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.533460][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.533781][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.534084][ T657] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.534398][ T657] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.534706][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.535008][ T657] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.535322][ T657] ? __create_object (mm/kmemleak.c:771) 
[ 60.535633][ T657] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.535941][ T657] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.536249][ T657] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.536656][ T657] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.536969][ T657] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.537281][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.537596][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.537915][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.538218][ T657] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.538534][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.538842][ T657] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.539145][ T657] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.539463][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.539769][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.540082][ T657] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.540395][ T657] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.540700][ T657] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.541020][ T657] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.541344][ T657] ? 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) 
[ 60.541664][ T657] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.541973][ T657] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.542275][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.542598][ T657] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.542907][ T657] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.543221][ T657] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.543548][ T657] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.543856][ T657] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.544158][ T657] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.544560][ T657] ___sys_sendmsg (net/socket.c:2670) 
[ 60.544862][ T657] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.545165][ T657] ? __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) 
[ 60.545567][ T657] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.545881][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.546186][ T657] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.546508][ T657] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.546811][ T657] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.547115][ T657] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.547440][ T657] __sys_sendmsg (net/socket.c:2700) 
[ 60.547749][ T657] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.548127][ T657] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.548457][ T657] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.548770][ T657] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.549076][ T657] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.549467][  T657] RIP: 0033:0x7fcf57e091e7
[ 60.549789][ T657] 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)
[   60.550887][  T657] RSP: 002b:00007fff5ac77b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.551359][  T657] RAX: ffffffffffffffda RBX: 00007fff5ac782a0 RCX: 00007fcf57e091e7
[   60.551832][  T657] RDX: 0000000000000000 RSI: 00007fff5ac77be0 RDI: 0000000000000005
[   60.552294][  T657] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.552768][  T657] R10: 00007fcf57d06ee8 R11: 0000000000000246 R12: 0000000000000003
[   60.553224][  T657] R13: 00000000686e49a4 R14: 0000000000499600 R15: 0000000000000000
| [   60.889467][  T660] ------------[ cut here ]------------
| [ 60.889812][ T660] WARNING: CPU: 2 PID: 660 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) 
| [   60.890445][  T660] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   60.891752][  T660] Tainted: [W]=WARN
[   60.891998][  T660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 60.892402][ T660] 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) 
[ 60.892733][ T660] 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
[   60.893844][  T660] RSP: 0018:ffffc90001376f70 EFLAGS: 00010246
[   60.894242][  T660] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   60.895732][  T660] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   60.896212][  T660] RBP: ffffc90001377058 R08: 0000000000000000 R09: 0000000000000000
[   60.896696][  T660] R10: ffffc90001377088 R11: ffffffffaa979160 R12: 1ffff9200026edf2
[   60.897167][  T660] R13: 00000000000005dc R14: ffffc90001377088 R15: ffff88800a4b2f08
[   60.897648][  T660] FS:  00007fe3ea4aa800(0000) GS:ffff888089db7000(0000) knlGS:0000000000000000
[   60.898201][  T660] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.898614][  T660] CR2: 00000000004e5aa8 CR3: 000000000df26005 CR4: 0000000000772ef0
[   60.899096][  T660] PKRU: 55555554
[   60.899351][  T660] Call Trace:
[   60.899596][  T660]  <TASK>
[ 60.899765][ T660] ? __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) 
[ 60.900166][ T660] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 60.900545][ T660] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.900869][ T660] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.901485][ T660] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 60.901805][ T660] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.902122][ T660] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.902450][ T660] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.902774][ T660] ? ___sys_sendmsg (net/socket.c:2670) 
[ 60.903089][ T660] ? __sys_sendmsg (net/socket.c:2700) 
[ 60.903416][ T660] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.903735][ T660] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 60.904132][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.904473][ T660] netif_set_mtu (net/core/dev.c:9652) 
[ 60.904791][ T660] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 60.905123][ T660] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 60.905379][ T660] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 60.905812][ T660] br_del_if (net/bridge/br_if.c:743) bridge 
[ 60.906167][ T660] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 60.906547][ T660] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 60.906872][ T660] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 60.907191][ T660] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 60.907610][ T660] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 60.907927][ T660] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 60.908246][ T660] ? __kernel_text_address (kernel/extable.c:79) 
[ 60.908578][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.908905][ T660] ? __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) 
[ 60.909226][ T660] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 60.909633][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.909954][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.910273][ T660] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 60.910602][ T660] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 60.910924][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.911238][ T660] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 60.911583][ T660] ? __create_object (mm/kmemleak.c:771) 
[ 60.911910][ T660] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 60.912229][ T660] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 60.912560][ T660] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 60.912956][ T660] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 60.913279][ T660] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 60.913612][ T660] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.913931][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.914256][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.915129][ T660] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 60.915517][ T660] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.915863][ T660] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 60.916212][ T660] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 60.916574][ T660] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.916931][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.917291][ T660] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 60.917651][ T660] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 60.917998][ T660] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 60.918385][ T660] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 60.918729][ T660] ? 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) 
[ 60.919080][ T660] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 60.919440][ T660] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 60.919786][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.920134][ T660] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 60.920502][ T660] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 60.920850][ T660] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 60.921202][ T660] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 60.921574][ T660] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 60.921920][ T660] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 60.922370][ T660] ___sys_sendmsg (net/socket.c:2670) 
[ 60.922719][ T660] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 60.923063][ T660] ? __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) 
[ 60.923506][ T660] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 60.923857][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.924208][ T660] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 60.924570][ T660] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 60.924922][ T660] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 60.925267][ T660] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 60.925635][ T660] __sys_sendmsg (net/socket.c:2700) 
[ 60.925978][ T660] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 60.926415][ T660] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 60.926772][ T660] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 60.927119][ T660] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 60.927480][ T660] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   60.927912][  T660] RIP: 0033:0x7fe3ea6771e7
[ 60.928271][ T660] 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)
[   60.929481][  T660] RSP: 002b:00007fff16e29068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   60.930005][  T660] RAX: ffffffffffffffda RBX: 00007fff16e29790 RCX: 00007fe3ea6771e7
[   60.930532][  T660] RDX: 0000000000000000 RSI: 00007fff16e290d0 RDI: 0000000000000005
[   60.931045][  T660] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   60.931579][  T660] R10: 00007fe3ea574ee8 R11: 0000000000000246 R12: 0000000000000003
[   60.932093][  T660] R13: 00000000686e49a4 R14: 0000000000499600 R15: 0000000000000000
| [   61.164913][  T662] ------------[ cut here ]------------
| [ 61.165268][ T662] WARNING: CPU: 0 PID: 662 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) 
| [   61.165948][  T662] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   61.167723][  T662] Tainted: [W]=WARN
[   61.167976][  T662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.168408][ T662] 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) 
[ 61.168753][ T662] 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
[   61.169973][  T662] RSP: 0018:ffffc90001386f70 EFLAGS: 00010246
[   61.170410][  T662] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   61.170910][  T662] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   61.171429][  T662] RBP: ffffc90001387058 R08: 0000000000000000 R09: 0000000000000000
[   61.171934][  T662] R10: ffffc90001387088 R11: ffffffffaa979160 R12: 1ffff92000270df2
[   61.172444][  T662] R13: 00000000000005dc R14: ffffc90001387088 R15: ffff88800a4b2f08
[   61.172948][  T662] FS:  00007f84bf341800(0000) GS:ffff888089cb7000(0000) knlGS:0000000000000000
[   61.173554][  T662] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.173980][  T662] CR2: 00000000004e6100 CR3: 000000000f4ca005 CR4: 0000000000772ef0
[   61.174492][  T662] PKRU: 55555554
[   61.174746][  T662] Call Trace:
[   61.174995][  T662]  <TASK>
[ 61.175165][ T662] ? __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) 
[ 61.175595][ T662] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.175971][ T662] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.176322][ T662] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.176658][ T662] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.176988][ T662] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.177347][ T662] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.177683][ T662] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.178023][ T662] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.178365][ T662] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.178694][ T662] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.179031][ T662] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.179454][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.179797][ T662] netif_set_mtu (net/core/dev.c:9652) 
[ 61.180134][ T662] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.180493][ T662] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.180747][ T662] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.181204][ T662] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.181601][ T662] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.181941][ T662] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.182276][ T662] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.182628][ T662] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.183051][ T662] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.183396][ T662] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.183731][ T662] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.184069][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.184417][ T662] ? __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) 
[ 61.184751][ T662] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.185163][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.185539][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.185881][ T662] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.186215][ T662] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.186560][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.186898][ T662] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.187230][ T662] ? __create_object (mm/kmemleak.c:771) 
[ 61.187576][ T662] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.187910][ T662] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.188242][ T662] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.188663][ T662] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.189003][ T662] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.189359][ T662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.189702][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.190042][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.190392][ T662] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.190724][ T662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.191059][ T662] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.191411][ T662] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.191758][ T662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.192102][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.192452][ T662] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.192792][ T662] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.193127][ T662] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.193496][ T662] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.193839][ T662] ? 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) 
[ 61.194175][ T662] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.194525][ T662] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.194857][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.195195][ T662] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.195540][ T662] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.195873][ T662] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.196213][ T662] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.196561][ T662] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.196892][ T662] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.197355][ T662] ___sys_sendmsg (net/socket.c:2670) 
[ 61.197698][ T662] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.198031][ T662] ? __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) 
[ 61.198457][ T662] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.198792][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.199131][ T662] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.199482][ T662] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.199822][ T662] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 61.200159][ T662] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.200507][ T662] __sys_sendmsg (net/socket.c:2700) 
[ 61.200836][ T662] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.201249][ T662] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.201621][ T662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.201957][ T662] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.202295][ T662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.202724][  T662] RIP: 0033:0x7f84bf50e1e7
[ 61.203068][ T662] 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)
[   61.204270][  T662] RSP: 002b:00007ffca52e4748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.204793][  T662] RAX: ffffffffffffffda RBX: 00007ffca52e4e70 RCX: 00007f84bf50e1e7
[   61.205295][  T662] RDX: 0000000000000000 RSI: 00007ffca52e47b0 RDI: 0000000000000005
[   61.205816][  T662] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.206325][  T662] R10: 00007f84bf40bee8 R11: 0000000000000246 R12: 0000000000000003
[   61.206829][  T662] R13: 00000000686e49a4 R14: 0000000000499600 R15: 0000000000000000
| [   61.727847][  T666] ------------[ cut here ]------------
| [ 61.728194][ T666] WARNING: CPU: 1 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) 
| [   61.728845][  T666] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   61.730187][  T666] Tainted: [W]=WARN
[   61.730454][  T666] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 61.730862][ 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) 
[ 61.731194][ 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
[   61.733616][  T666] RSP: 0018:ffffc900013c6f70 EFLAGS: 00010246
[   61.734033][  T666] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   61.734537][  T666] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   61.735021][  T666] RBP: ffffc900013c7058 R08: 0000000000000000 R09: 0000000000000000
[   61.735509][  T666] R10: ffffc900013c7088 R11: ffffffffaa979160 R12: 1ffff92000278df2
[   61.735990][  T666] R13: 00000000000005dc R14: ffffc900013c7088 R15: ffff88800a4b2f08
[   61.736479][  T666] FS:  00007f9170185800(0000) GS:ffff888089d37000(0000) knlGS:0000000000000000
[   61.737040][  T666] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.737458][  T666] CR2: 00000000004e5de8 CR3: 000000000f45c001 CR4: 0000000000772ef0
[   61.737947][  T666] PKRU: 55555554
[   61.738188][  T666] Call Trace:
[   61.738447][  T666]  <TASK>
[ 61.738612][ 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) 
[ 61.739021][ T666] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 61.739398][ T666] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.739724][ T666] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.740042][ T666] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 61.740396][ T666] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.740722][ T666] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.741039][ T666] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.741378][ T666] ? ___sys_sendmsg (net/socket.c:2670) 
[ 61.741708][ T666] ? __sys_sendmsg (net/socket.c:2700) 
[ 61.742029][ T666] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.742363][ T666] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 61.742760][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.743095][ T666] netif_set_mtu (net/core/dev.c:9652) 
[ 61.743426][ T666] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 61.743765][ T666] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 61.744007][ T666] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 61.744462][ T666] br_del_if (net/bridge/br_if.c:743) bridge 
[ 61.744818][ T666] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 61.745143][ T666] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 61.745481][ T666] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 61.745806][ T666] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 61.746209][ T666] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 61.746539][ T666] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 61.746861][ T666] ? __kernel_text_address (kernel/extable.c:79) 
[ 61.747186][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.747520][ 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) 
[ 61.747847][ T666] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 61.748247][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.748585][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.748905][ T666] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 61.749223][ T666] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 61.749556][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.749880][ T666] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 61.750198][ T666] ? __create_object (mm/kmemleak.c:771) 
[ 61.750535][ T666] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 61.750856][ T666] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 61.751176][ T666] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 61.751652][ T666] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 61.751984][ T666] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 61.752318][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.752638][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.752969][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.753294][ T666] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 61.753624][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.753947][ T666] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 61.754266][ T666] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 61.754595][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.754917][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.755246][ T666] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 61.755581][ T666] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 61.755905][ T666] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 61.756234][ T666] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 61.756561][ 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) 
[ 61.756883][ T666] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 61.757203][ T666] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 61.757534][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.757862][ T666] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 61.758185][ T666] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 61.758531][ T666] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 61.758863][ T666] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 61.759190][ T666] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 61.759517][ T666] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 61.759926][ T666] ___sys_sendmsg (net/socket.c:2670) 
[ 61.760248][ T666] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 61.760578][ 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) 
[ 61.760977][ T666] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 61.761313][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.761655][ T666] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 61.761986][ T666] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 61.762324][ 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) 
[ 61.762649][ T666] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 61.762977][ T666] __sys_sendmsg (net/socket.c:2700) 
[ 61.763296][ T666] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 61.763702][ T666] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 61.764033][ T666] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 61.764365][ T666] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 61.764687][ T666] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   61.765089][  T666] RIP: 0033:0x7f91703521e7
[ 61.765435][ 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)
[   61.766587][  T666] RSP: 002b:00007ffd62131f28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   61.767071][  T666] RAX: ffffffffffffffda RBX: 00007ffd62132650 RCX: 00007f91703521e7
[   61.767568][  T666] RDX: 0000000000000000 RSI: 00007ffd62131f90 RDI: 0000000000000005
[   61.768047][  T666] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   61.768534][  T666] R10: 00007f917024fee8 R11: 0000000000000246 R12: 0000000000000003
[   61.769014][  T666] R13: 00000000686e49a5 R14: 0000000000499600 R15: 0000000000000000
| [   62.294489][  T670] ------------[ cut here ]------------
| [ 62.294842][ T670] WARNING: CPU: 0 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) 
| [   62.295819][  T670] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.297154][  T670] Tainted: [W]=WARN
[   62.297411][  T670] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.297813][ 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) 
[ 62.298146][ 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
[   62.299325][  T670] RSP: 0018:ffffc90001406f70 EFLAGS: 00010246
[   62.299732][  T670] RAX: 0000000000000000 RBX: ffff88800a4b2000 RCX: 0000000000000001
[   62.300213][  T670] RDX: 0000000000000000 RSI: ffffffffaa49b941 RDI: ffffffffa9c555e0
[   62.300726][  T670] RBP: ffffc90001407058 R08: 0000000000000000 R09: 0000000000000000
[   62.301212][  T670] R10: ffffc90001407088 R11: ffffffffaa979160 R12: 1ffff92000280df2
[   62.301716][  T670] R13: 00000000000005dc R14: ffffc90001407088 R15: ffff88800a4b2f08
[   62.302199][  T670] FS:  00007f737f0de800(0000) GS:ffff888089cb7000(0000) knlGS:0000000000000000
[   62.302783][  T670] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.303192][  T670] CR2: 00000000004e5ce0 CR3: 000000000f40c003 CR4: 0000000000772ef0
[   62.303710][  T670] PKRU: 55555554
[   62.303964][  T670] Call Trace:
[   62.304209][  T670]  <TASK>
[ 62.304381][ 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) 
[ 62.304795][ T670] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.305165][ T670] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.305497][ T670] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.305825][ T670] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.306155][ T670] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.306491][ T670] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.306819][ T670] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.307154][ T670] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.307501][ T670] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.307824][ T670] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.308147][ T670] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.308553][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.308883][ T670] netif_set_mtu (net/core/dev.c:9652) 
[ 62.309206][ T670] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.309563][ T670] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.309816][ T670] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.310268][ T670] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.310645][ T670] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.310976][ T670] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.311328][ T670] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.311671][ T670] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.312079][ T670] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.312409][ T670] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.312749][ T670] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.313087][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.313419][ 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) 
[ 62.313745][ T670] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.314148][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.314487][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.314827][ T670] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.315148][ T670] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.315490][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.315812][ T670] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.316136][ T670] ? __create_object (mm/kmemleak.c:771) 
[ 62.316493][ T670] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.316817][ T670] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.317139][ T670] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.317559][ T670] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.317888][ T670] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.318215][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.318543][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.318869][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.319187][ T670] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.319531][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.319856][ T670] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.320181][ T670] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.320513][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.320838][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.321164][ T670] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.321508][ T670] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.321831][ T670] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.322163][ T670] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.322492][ 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) 
[ 62.322816][ T670] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.323140][ T670] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.323482][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.323808][ T670] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.324132][ T670] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.324463][ T670] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.324805][ T670] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.325127][ T670] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.325455][ T670] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.325863][ T670] ___sys_sendmsg (net/socket.c:2670) 
[ 62.326185][ T670] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.326517][ 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) 
[ 62.326920][ T670] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.327250][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.327595][ T670] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.327924][ T670] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.328248][ 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) 
[ 62.328578][ T670] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.328907][ T670] __sys_sendmsg (net/socket.c:2700) 
[ 62.329224][ T670] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.329641][ T670] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.329978][ T670] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.330316][ T670] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.330640][ T670] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.331040][  T670] RIP: 0033:0x7f737f2ab1e7
[ 62.331408][ 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)
[   62.332589][  T670] RSP: 002b:00007ffcd09e1f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.333074][  T670] RAX: ffffffffffffffda RBX: 00007ffcd09e2660 RCX: 00007f737f2ab1e7
[   62.333565][  T670] RDX: 0000000000000000 RSI: 00007ffcd09e1fa0 RDI: 0000000000000005
[   62.334045][  T670] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.334537][  T670] R10: 00007f737f1a8ee8 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