======================================
| [   20.959731][  T327] br1: port 1(vx1) entered forwarding state
| [   20.960995][  T327] ------------[ cut here ]------------
| [ 20.961345][ T327] WARNING: CPU: 1 PID: 327 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) 
| [   20.962064][  T327] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[   20.963428][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.963899][ T327] 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) 
[ 20.964258][ T327] 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
[   20.965651][  T327] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   20.966237][  T327] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   20.966742][  T327] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   20.967414][  T327] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   20.967931][  T327] R10: ffffc90000587010 R11: ffffffff9caa8918 R12: 1ffff920000b0de2
[   20.968608][  T327] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800b762f08
[   20.969368][  T327] FS:  00007fb9595fb800(0000) GS:ffff888098537000(0000) knlGS:0000000000000000
[   20.969946][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.970566][  T327] CR2: 00000000004e5760 CR3: 000000000c85c002 CR4: 0000000000772ef0
[   20.971362][  T327] PKRU: 55555554
[   20.971617][  T327] Call Trace:
[   20.971884][  T327]  <TASK>
[ 20.972224][ T327] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 20.972561][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.972907][ T327] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 20.973410][ T327] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 20.973823][ T327] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 20.974348][ T327] netif_set_mtu (net/core/dev.c:9652) 
[ 20.974699][ T327] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 20.975191][ T327] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 20.975643][ T327] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 20.975895][ T327] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 20.976442][ T327] br_add_if (net/bridge/br_if.c:697) bridge 
[ 20.976806][ T327] do_set_master (net/core/rtnetlink.c:2948) 
[ 20.977165][ T327] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 20.977500][ T327] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 20.977926][ T327] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 20.978269][ T327] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 20.978608][ T327] ? __kernel_text_address (kernel/extable.c:79) 
[ 20.978958][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.979301][ T327] ? __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) 
[ 20.979652][ T327] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 20.980079][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.980638][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.980962][ T327] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 20.981327][ T327] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 20.981671][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.982071][ T327] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 20.982404][ T327] ? __create_object (mm/kmemleak.c:771) 
[ 20.982755][ T327] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 20.983112][ T327] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 20.983494][ T327] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 20.983950][ T327] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 20.984326][ T327] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 20.984665][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.985017][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.985423][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.985759][ T327] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 20.986092][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.986440][ T327] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 20.986765][ T327] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 20.987124][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.987471][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.987824][ T327] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 20.988194][ T327] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 20.988547][ T327] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 20.988927][ T327] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 20.989297][ T327] ? 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) 
[ 20.989645][ T327] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 20.989995][ T327] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 20.990337][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.990671][ T327] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 20.991116][ T327] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 20.991492][ T327] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 20.991884][ T327] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 20.992293][ T327] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 20.992686][ T327] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 20.993139][ T327] ___sys_sendmsg (net/socket.c:2670) 
[ 20.993475][ T327] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 20.993818][ T327] ? __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) 
[ 20.994234][ T327] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 20.994572][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.994989][ T327] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 20.995336][ T327] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 20.995669][ T327] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 20.996011][ T327] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 20.996369][ T327] __sys_sendmsg (net/socket.c:2700) 
[ 20.996701][ T327] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 20.997147][ T327] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 20.997503][ T327] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 20.997849][ T327] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 20.998199][ T327] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   20.998656][  T327] RIP: 0033:0x7fb9597c81e7
[ 20.999038][ T327] 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)
[   21.000256][  T327] RSP: 002b:00007fff19f3f478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.000785][  T327] RAX: ffffffffffffffda RBX: 00007fff19f3fba0 RCX: 00007fb9597c81e7
[   21.001318][  T327] RDX: 0000000000000000 RSI: 00007fff19f3f4e0 RDI: 0000000000000005
[   21.001855][  T327] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.002371][  T327] R10: 00000000401ad910 R11: 0000000000000246 R12: 0000000000000004
[   21.002874][  T327] R13: 00000000686e20ae R14: 0000000000499600 R15: 0000000000000000
| [   21.147282][  T328] ------------[ cut here ]------------
| [ 21.147603][ 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) 
| [   21.148267][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   21.149555][  T328] Tainted: [W]=WARN
[   21.149827][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.150250][ 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) 
[ 21.150597][ 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
[   21.151792][  T328] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   21.152214][  T328] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   21.152729][  T328] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   21.153230][  T328] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.153734][  T328] R10: ffffc90000587010 R11: ffffffff9caa8918 R12: 1ffff920000b0de2
[   21.154224][  T328] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff88800b762f08
[   21.154734][  T328] FS:  00007fd719c32800(0000) GS:ffff888098637000(0000) knlGS:0000000000000000
[   21.155322][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.155741][  T328] CR2: 00000000004e5aa8 CR3: 000000000b6e5003 CR4: 0000000000772ef0
[   21.156240][  T328] PKRU: 55555554
[   21.156500][  T328] Call Trace:
[   21.156740][  T328]  <TASK>
[ 21.156908][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.157248][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.157579][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.157913][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.158359][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.158697][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 21.159051][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.159407][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.159856][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.160114][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.160568][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.160947][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.161303][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.161631][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.162059][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.162387][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.162708][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.163054][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.163393][ 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) 
[ 21.163739][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.164153][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.164490][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.164812][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.165141][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.165463][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.165809][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.166162][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 21.166498][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.166835][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.167176][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.167582][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.167924][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.168285][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.168621][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.168955][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.169303][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.169627][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.169965][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.170306][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.170631][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.170977][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.171323][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.171651][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.171975][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.172316][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.172636][ 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) 
[ 21.172986][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.173336][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.173660][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.174001][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.174354][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.174678][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.175009][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.175354][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.175678][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.176119][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 21.176448][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.176772][ 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) 
[ 21.177188][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.177525][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.177855][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.178206][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.178554][ 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) 
[ 21.178904][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.179248][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 21.179589][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.179991][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.180337][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.180668][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.181009][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.181427][  T328] RIP: 0033:0x7fd719dff1e7
[ 21.181758][ 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)
[   21.182939][  T328] RSP: 002b:00007ffe32f50928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.183472][  T328] RAX: ffffffffffffffda RBX: 00007ffe32f51050 RCX: 00007fd719dff1e7
[   21.183958][  T328] RDX: 0000000000000000 RSI: 00007ffe32f50990 RDI: 0000000000000005
[   21.184456][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.184949][  T328] R10: 000000000d0a1910 R11: 0000000000000246 R12: 0000000000000004
[   21.185476][  T328] R13: 00000000686e20ae R14: 0000000000499600 R15: 0000000000000000
| [   21.415600][  T330] ------------[ cut here ]------------
| [ 21.415925][ T330] WARNING: CPU: 3 PID: 330 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   21.416578][  T330] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   21.417824][  T330] Tainted: [W]=WARN
[   21.418083][  T330] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 21.418495][ T330] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 21.418828][ T330] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   21.419981][  T330] RSP: 0018:ffffc90000b86ef0 EFLAGS: 00010246
[   21.420405][  T330] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   21.420890][  T330] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   21.421647][  T330] RBP: ffffc90000b86fe0 R08: 0000000000000000 R09: 0000000000000000
[   21.422354][  T330] R10: ffffc90000b87010 R11: ffffffff9caa8918 R12: 1ffff92000170de2
[   21.422833][  T330] R13: 00000000000005dc R14: ffffc90000b87010 R15: ffff88800b762f08
[   21.423458][  T330] FS:  00007f4520344800(0000) GS:ffff888098637000(0000) knlGS:0000000000000000
[   21.424000][  T330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.424473][  T330] CR2: 00000000004e5ab0 CR3: 0000000005020004 CR4: 0000000000772ef0
[   21.424964][  T330] PKRU: 55555554
[   21.425214][  T330] Call Trace:
[   21.425455][  T330]  <TASK>
[ 21.425622][ T330] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 21.425943][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.426370][ T330] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 21.426693][ T330] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 21.427104][ T330] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 21.427433][ T330] netif_set_mtu (net/core/dev.c:9652) 
[ 21.427761][ T330] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 21.428107][ T330] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 21.428576][ T330] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 21.428824][ T330] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 21.429274][ T330] br_add_if (net/bridge/br_if.c:697) bridge 
[ 21.429649][ T330] do_set_master (net/core/rtnetlink.c:2948) 
[ 21.429987][ T330] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 21.430323][ T330] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 21.430732][ T330] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 21.431059][ T330] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 21.431380][ T330] ? __kernel_text_address (kernel/extable.c:79) 
[ 21.431706][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.432045][ T330] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 21.432383][ T330] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 21.432785][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.433116][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.433441][ T330] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 21.433763][ T330] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 21.434092][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.434415][ T330] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 21.434735][ T330] ? __create_object (mm/kmemleak.c:771) 
[ 21.435076][ T330] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 21.435401][ T330] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 21.435723][ T330] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 21.436133][ T330] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 21.436465][ T330] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 21.436791][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.437120][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.437452][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.437773][ T330] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 21.438097][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.438428][ T330] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 21.438749][ T330] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 21.439078][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.439404][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.439727][ T330] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 21.440059][ T330] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 21.440390][ T330] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 21.440722][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 21.441048][ T330] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 21.441371][ T330] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 21.441693][ T330] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 21.442010][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.442344][ T330] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 21.442669][ T330] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 21.442990][ T330] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 21.443329][ T330] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 21.443655][ T330] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 21.443977][ T330] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 21.444397][ T330] ___sys_sendmsg (net/socket.c:2670) 
[ 21.444722][ T330] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 21.445051][ T330] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 21.445453][ T330] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 21.445783][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.446119][ T330] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 21.446446][ T330] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 21.446768][ T330] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 21.447103][ T330] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 21.447433][ T330] __sys_sendmsg (net/socket.c:2700) 
[ 21.447750][ T330] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 21.448179][ T330] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 21.448524][ T330] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 21.448848][ T330] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 21.449185][ T330] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   21.449586][  T330] RIP: 0033:0x7f45205111e7
[ 21.449918][ T330] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   21.451074][  T330] RSP: 002b:00007ffc714c5998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   21.451561][  T330] RAX: ffffffffffffffda RBX: 00007ffc714c60c0 RCX: 00007f45205111e7
[   21.452056][  T330] RDX: 0000000000000000 RSI: 00007ffc714c5a00 RDI: 0000000000000005
[   21.452544][  T330] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   21.453031][  T330] R10: 000000001b458910 R11: 0000000000000246 R12: 0000000000000004
[   21.453603][  T330] R13: 00000000686e20af R14: 0000000000499600 R15: 0000000000000000
| [   25.831338][  T376] ------------[ cut here ]------------
| [ 25.831666][ T376] WARNING: CPU: 0 PID: 376 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) 
| [   25.832283][  T376] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   25.833479][  T376] Tainted: [W]=WARN
[   25.833720][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.834113][ T376] 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) 
[ 25.834430][ T376] 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
[   25.835538][  T376] RSP: 0018:ffffc90000996ef0 EFLAGS: 00010246
[   25.835927][  T376] RAX: 0000000000000000 RBX: ffff88800ee32000 RCX: 0000000000000001
[   25.836400][  T376] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   25.836858][  T376] RBP: ffffc90000996fe0 R08: 0000000000000000 R09: 0000000000000000
[   25.837333][  T376] R10: ffffc90000997010 R11: ffffffff9c179160 R12: 1ffff92000132de2
[   25.837790][  T376] R13: 00000000000005dc R14: ffffc90000997010 R15: ffff88800ee32f08
[   25.838258][  T376] FS:  00007f9f253aa800(0000) GS:ffff8880984b7000(0000) knlGS:0000000000000000
[   25.838804][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.839206][  T376] CR2: 00000000004e6898 CR3: 000000000bb87005 CR4: 0000000000772ef0
[   25.839665][  T376] PKRU: 55555554
[   25.839894][  T376] Call Trace:
[   25.840135][  T376]  <TASK>
[ 25.840296][ T376] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 25.840605][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.840920][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.841240][ T376] netif_set_mtu (net/core/dev.c:9652) 
[ 25.841554][ T376] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 25.841875][ T376] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 25.842117][ T376] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 25.842547][ T376] br_add_if (net/bridge/br_if.c:697) bridge 
[ 25.842902][ T376] do_set_master (net/core/rtnetlink.c:2948) 
[ 25.843226][ T376] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 25.843537][ T376] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 25.843926][ T376] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 25.844242][ T376] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 25.844547][ T376] ? __kernel_text_address (kernel/extable.c:79) 
[ 25.844856][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.845179][ T376] ? __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) 
[ 25.845487][ T376] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 25.845865][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.846203][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.846507][ T376] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 25.846812][ T376] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 25.847132][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.847439][ T376] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 25.847739][ T376] ? __create_object (mm/kmemleak.c:771) 
[ 25.848058][ T376] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 25.848366][ T376] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 25.848680][ T376] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 25.849073][ T376] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 25.849384][ T376] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 25.849694][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.850000][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.850322][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.850634][ T376] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 25.850938][ T376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.851257][ T376] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 25.851561][ T376] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 25.851865][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.852186][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.852499][ T376] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 25.852804][ T376] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 25.853121][ T376] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 25.853440][ T376] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 25.853748][ T376] ? 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) 
[ 25.854090][ T376] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 25.854400][ T376] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 25.854704][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.855012][ T376] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 25.855333][ T376] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 25.855642][ T376] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 25.855955][ T376] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 25.856275][ T376] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 25.856581][ T376] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 25.856974][ T376] ___sys_sendmsg (net/socket.c:2670) 
[ 25.857286][ T376] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 25.857592][ T376] ? __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) 
[ 25.857978][ T376] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 25.858297][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.858614][ T376] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 25.858924][ T376] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 25.859241][ T376] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 25.859545][ T376] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 25.859859][ T376] __sys_sendmsg (net/socket.c:2700) 
[ 25.860177][ T376] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 25.860554][ T376] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 25.860871][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 25.861188][ T376] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 25.861495][ T376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   25.861879][  T376] RIP: 0033:0x7f9f255771e7
[ 25.862203][ T376] 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)
[   25.863306][  T376] RSP: 002b:00007ffdd566ed88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   25.863771][  T376] RAX: ffffffffffffffda RBX: 00007ffdd566f4b0 RCX: 00007f9f255771e7
[   25.864238][  T376] RDX: 0000000000000000 RSI: 00007ffdd566edf0 RDI: 0000000000000005
[   25.864703][  T376] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   25.865174][  T376] R10: 000000002600a910 R11: 0000000000000246 R12: 0000000000000004
[   25.865633][  T376] R13: 00000000686e20b3 R14: 0000000000499600 R15: 0000000000000000
| [   26.536897][  T382] ------------[ cut here ]------------
| [ 26.538556][ T382] WARNING: CPU: 1 PID: 382 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) 
| [   26.539173][  T382] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   26.540355][  T382] Tainted: [W]=WARN
[   26.540586][  T382] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.540965][ T382] 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) 
[ 26.541286][ T382] 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
[   26.542382][  T382] RSP: 0018:ffffc900008d6ef0 EFLAGS: 00010246
[   26.542764][  T382] RAX: 0000000000000000 RBX: ffff88800ee32000 RCX: 0000000000000001
[   26.543226][  T382] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   26.543681][  T382] RBP: ffffc900008d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   26.544145][  T382] R10: ffffc900008d7010 R11: ffffffff9c179160 R12: 1ffff9200011ade2
[   26.544598][  T382] R13: 00000000000005dc R14: ffffc900008d7010 R15: ffff88800ee32f08
[   26.545061][  T382] FS:  00007fad13e6f800(0000) GS:ffff888098537000(0000) knlGS:0000000000000000
[   26.545589][  T382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.545971][  T382] CR2: 00000000004e5768 CR3: 000000000c123003 CR4: 0000000000772ef0
[   26.546440][  T382] PKRU: 55555554
[   26.546667][  T382] Call Trace:
[   26.546895][  T382]  <TASK>
[ 26.547060][ T382] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 26.547365][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.547678][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.547982][ T382] netif_set_mtu (net/core/dev.c:9652) 
[ 26.548293][ T382] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 26.548630][ T382] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 26.548861][ T382] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 26.549311][ T382] br_add_if (net/bridge/br_if.c:697) bridge 
[ 26.549662][ T382] do_set_master (net/core/rtnetlink.c:2948) 
[ 26.549970][ T382] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 26.550287][ T382] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 26.550670][ T382] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 26.550983][ T382] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 26.551298][ T382] ? __kernel_text_address (kernel/extable.c:79) 
[ 26.551605][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.551910][ T382] ? __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) 
[ 26.552226][ T382] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 26.552603][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.552907][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.553225][ T382] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 26.553540][ T382] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 26.553863][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.554180][ T382] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 26.554490][ T382] ? __create_object (mm/kmemleak.c:771) 
[ 26.554799][ T382] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 26.555116][ T382] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 26.555427][ T382] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 26.555808][ T382] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 26.556131][ T382] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 26.556441][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.556743][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.557068][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.557376][ T382] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 26.557681][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.557991][ T382] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 26.558308][ T382] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 26.558629][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.558939][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.559260][ T382] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 26.559567][ T382] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 26.559871][ T382] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 26.560204][ T382] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 26.560510][ T382] ? 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) 
[ 26.560817][ T382] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 26.561140][ T382] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 26.561448][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.561761][ T382] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 26.562082][ T382] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 26.562395][ T382] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 26.562712][ T382] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 26.563037][ T382] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 26.563368][ T382] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 26.563759][ T382] ___sys_sendmsg (net/socket.c:2670) 
[ 26.564074][ T382] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 26.564379][ T382] ? __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) 
[ 26.564766][ T382] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 26.565089][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.565399][ T382] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 26.565710][ T382] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 26.566034][ T382] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 26.566343][ T382] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 26.566657][ T382] __sys_sendmsg (net/socket.c:2700) 
[ 26.566960][ T382] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 26.567357][ T382] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 26.567674][ T382] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 26.567979][ T382] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 26.568296][ T382] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   26.568694][  T382] RIP: 0033:0x7fad1403c1e7
[ 26.569010][ T382] 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)
[   26.570118][  T382] RSP: 002b:00007ffd3c807c38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   26.570581][  T382] RAX: ffffffffffffffda RBX: 00007ffd3c808360 RCX: 00007fad1403c1e7
[   26.571047][  T382] RDX: 0000000000000000 RSI: 00007ffd3c807ca0 RDI: 0000000000000005
[   26.571513][  T382] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   26.571969][  T382] R10: 000000000445b910 R11: 0000000000000246 R12: 0000000000000004
[   26.572442][  T382] R13: 00000000686e20b4 R14: 0000000000499600 R15: 0000000000000000
| [   29.598853][  T414] ------------[ cut here ]------------
| [ 29.599222][ T414] WARNING: CPU: 2 PID: 414 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   29.599842][  T414] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   29.602470][  T414] Tainted: [W]=WARN
[   29.602713][  T414] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 29.603122][ T414] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 29.603454][ T414] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   29.604571][  T414] RSP: 0018:ffffc90000b96ef0 EFLAGS: 00010246
[   29.604967][  T414] RAX: 0000000000000000 RBX: ffff888009012000 RCX: 0000000000000001
[   29.605442][  T414] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   29.605915][  T414] RBP: ffffc90000b96fe0 R08: 0000000000000000 R09: 0000000000000000
[   29.606397][  T414] R10: ffffc90000b97010 R11: ffffffff9c179160 R12: 1ffff92000172de2
[   29.606864][  T414] R13: 00000000000005dc R14: ffffc90000b97010 R15: ffff888009012f08
[   29.607338][  T414] FS:  00007fee91d60800(0000) GS:ffff8880985b7000(0000) knlGS:0000000000000000
[   29.607889][  T414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.608298][  T414] CR2: 00000000004e6898 CR3: 000000000a591002 CR4: 0000000000772ef0
[   29.608781][  T414] PKRU: 55555554
[   29.609033][  T414] Call Trace:
[   29.609278][  T414]  <TASK>
[ 29.609455][ T414] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 29.609776][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.610126][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.610448][ T414] netif_set_mtu (net/core/dev.c:9652) 
[ 29.610765][ T414] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 29.611112][ T414] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 29.611358][ T414] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 29.611799][ T414] br_add_if (net/bridge/br_if.c:697) bridge 
[ 29.612175][ T414] do_set_master (net/core/rtnetlink.c:2948) 
[ 29.612508][ T414] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 29.612829][ T414] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 29.613270][ T414] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 29.613611][ T414] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 29.613929][ T414] ? __kernel_text_address (kernel/extable.c:79) 
[ 29.614261][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.614584][ T414] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 29.614908][ T414] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 29.615311][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.615633][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.615950][ T414] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 29.616275][ T414] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 29.616599][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.616913][ T414] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 29.617239][ T414] ? __create_object (mm/kmemleak.c:771) 
[ 29.617567][ T414] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 29.617913][ T414] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 29.618242][ T414] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 29.618650][ T414] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 29.618973][ T414] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 29.619324][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.619640][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.619973][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.620302][ T414] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 29.620617][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.620938][ T414] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 29.621265][ T414] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 29.621583][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.621903][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.622232][ T414] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 29.622558][ T414] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 29.622874][ T414] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 29.623214][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 29.623532][ T414] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 29.623851][ T414] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 29.624184][ T414] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 29.624500][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.624825][ T414] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 29.625158][ T414] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 29.625480][ T414] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 29.625808][ T414] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 29.626139][ T414] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 29.626457][ T414] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 29.626863][ T414] ___sys_sendmsg (net/socket.c:2670) 
[ 29.627192][ T414] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 29.627513][ T414] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 29.627909][ T414] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 29.628241][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.628568][ T414] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 29.628893][ T414] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 29.629226][ T414] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 29.629552][ T414] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 29.629875][ T414] __sys_sendmsg (net/socket.c:2700) 
[ 29.630202][ T414] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 29.630592][ T414] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 29.630921][ T414] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 29.631249][ T414] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 29.631571][ T414] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   29.631970][  T414] RIP: 0033:0x7fee91f2d1e7
[ 29.632311][ T414] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   29.633423][  T414] RSP: 002b:00007ffdbacbe998 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   29.633893][  T414] RAX: ffffffffffffffda RBX: 00007ffdbacbf0c0 RCX: 00007fee91f2d1e7
[   29.634378][  T414] RDX: 0000000000000000 RSI: 00007ffdbacbea00 RDI: 0000000000000005
[   29.634846][  T414] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   29.635326][  T414] R10: 000000001ad79910 R11: 0000000000000246 R12: 0000000000000004
[   29.635791][  T414] R13: 00000000686e20b7 R14: 0000000000499600 R15: 0000000000000000
| [   30.356670][  T420] ------------[ cut here ]------------
| [ 30.358545][ T420] WARNING: CPU: 1 PID: 420 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   30.359500][  T420] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   30.361379][  T420] Tainted: [W]=WARN
[   30.361747][  T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.362321][ T420] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 30.362805][ T420] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   30.364719][  T420] RSP: 0018:ffffc90000c06ef0 EFLAGS: 00010246
[   30.365415][  T420] RAX: 0000000000000000 RBX: ffff888009012000 RCX: 0000000000000001
[   30.366225][  T420] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   30.367039][  T420] RBP: ffffc90000c06fe0 R08: 0000000000000000 R09: 0000000000000000
[   30.367838][  T420] R10: ffffc90000c07010 R11: ffffffff9caa8918 R12: 1ffff92000180de2
[   30.368662][  T420] R13: 00000000000005dc R14: ffffc90000c07010 R15: ffff888009012f08
[   30.369469][  T420] FS:  00007f60d186a800(0000) GS:ffff888098537000(0000) knlGS:0000000000000000
[   30.370413][  T420] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.371097][  T420] CR2: 00000000004e5768 CR3: 000000000fd48006 CR4: 0000000000772ef0
[   30.371897][  T420] PKRU: 55555554
[   30.372319][  T420] Call Trace:
[   30.372717][  T420]  <TASK>
[ 30.372994][ T420] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 30.373534][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.374094][ T420] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 30.374625][ T420] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 30.375298][ T420] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 30.375838][ T420] netif_set_mtu (net/core/dev.c:9652) 
[ 30.376388][ T420] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 30.376944][ T420] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 30.377716][ T420] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 30.378139][ T420] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 30.378875][ T420] br_add_if (net/bridge/br_if.c:697) bridge 
[ 30.379517][ T420] do_set_master (net/core/rtnetlink.c:2948) 
[ 30.380079][ T420] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 30.380630][ T420] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 30.381314][ T420] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 30.381847][ T420] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 30.382391][ T420] ? __kernel_text_address (kernel/extable.c:79) 
[ 30.382930][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.383485][ T420] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 30.384205][ T420] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 30.384742][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.385287][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.385818][ T420] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 30.386362][ T420] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 30.386894][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.387455][ T420] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 30.387983][ T420] ? __create_object (mm/kmemleak.c:771) 
[ 30.388553][ T420] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 30.389104][ T420] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 30.389641][ T420] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 30.390316][ T420] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 30.390866][ T420] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 30.391423][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.391955][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.392516][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.393069][ T420] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 30.393597][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.394149][ T420] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 30.394683][ T420] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 30.395239][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.395780][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.396339][ T420] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 30.396879][ T420] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 30.397432][ T420] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 30.397993][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 30.398549][ T420] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 30.399098][ T420] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 30.399641][ T420] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 30.400183][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.400743][ T420] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 30.401316][ T420] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 30.401854][ T420] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 30.402385][ T420] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 30.402844][ T420] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 30.403390][ T420] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 30.404098][ T420] ___sys_sendmsg (net/socket.c:2670) 
[ 30.404653][ T420] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 30.405208][ T420] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 30.405893][ T420] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 30.406460][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.407011][ T420] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 30.407472][ T420] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 30.407955][ T420] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 30.408518][ T420] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 30.409082][ T420] __sys_sendmsg (net/socket.c:2700) 
[ 30.409629][ T420] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 30.410317][ T420] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 30.410879][ T420] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 30.411437][ T420] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 30.411983][ T420] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   30.412664][  T420] RIP: 0033:0x7f60d1a371e7
[ 30.413241][ T420] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   30.415184][  T420] RSP: 002b:00007ffe2d305018 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   30.415895][  T420] RAX: ffffffffffffffda RBX: 00007ffe2d305740 RCX: 00007f60d1a371e7
[   30.416652][  T420] RDX: 0000000000000000 RSI: 00007ffe2d305080 RDI: 0000000000000005
[   30.417459][  T420] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   30.418271][  T420] R10: 000000002eb49910 R11: 0000000000000246 R12: 0000000000000004
[   30.419104][  T420] R13: 00000000686e20b8 R14: 0000000000499600 R15: 0000000000000000
| [   47.603774][  T538] ------------[ cut here ]------------
| [ 47.604122][ T538] WARNING: CPU: 0 PID: 538 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) 
| [   47.604739][  T538] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   47.606612][  T538] Tainted: [W]=WARN
[   47.606849][  T538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.607237][ T538] 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) 
[ 47.607605][ T538] 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
[   47.608737][  T538] RSP: 0018:ffffc90000f86f70 EFLAGS: 00010246
[   47.609173][  T538] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   47.609640][  T538] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   47.610113][  T538] RBP: ffffc90000f87058 R08: 0000000000000000 R09: 0000000000000000
[   47.610575][  T538] R10: ffffc90000f87088 R11: ffffffff98000130 R12: 1ffff920001f0df2
[   47.611042][  T538] R13: 00000000000005dc R14: ffffc90000f87088 R15: ffff88800b762f08
[   47.611510][  T538] FS:  00007f8a158fd800(0000) GS:ffff8880984b7000(0000) knlGS:0000000000000000
[   47.612063][  T538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.612448][  T538] CR2: 00000000004e5760 CR3: 000000000f8e6003 CR4: 0000000000772ef0
[   47.612917][  T538] PKRU: 55555554
[   47.613194][  T538] Call Trace:
[   47.613430][  T538]  <TASK>
[ 47.613586][ T538] ? __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) 
[ 47.613973][ T538] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 47.614344][ T538] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 47.614656][ T538] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.614963][ T538] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 47.615282][ T538] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 47.615626][ T538] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.615972][ T538] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.616298][ T538] ? ___sys_sendmsg (net/socket.c:2670) 
[ 47.616602][ T538] ? __sys_sendmsg (net/socket.c:2700) 
[ 47.616912][ T538] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.617270][ T538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 47.617656][ T538] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.617995][ T538] netif_set_mtu (net/core/dev.c:9652) 
[ 47.618318][ T538] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 47.618656][ T538] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 47.618894][ T538] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 47.619336][ T538] br_del_if (net/bridge/br_if.c:743) bridge 
[ 47.619679][ T538] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 47.620054][ T538] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 47.620376][ T538] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 47.620684][ T538] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 47.621101][ T538] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 47.621419][ T538] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 47.621723][ T538] ? __kernel_text_address (kernel/extable.c:79) 
[ 47.622042][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.622350][ T538] ? __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) 
[ 47.622694][ T538] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 47.623104][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.623409][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.623716][ T538] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 47.624029][ T538] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 47.624334][ T538] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.624637][ T538] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 47.624944][ T538] ? __create_object (mm/kmemleak.c:771) 
[ 47.625303][ T538] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 47.625609][ T538] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 47.625912][ T538] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 47.626299][ T538] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 47.626609][ T538] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 47.626916][ T538] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.627227][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.627543][ T538] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.627849][ T538] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 47.628160][ T538] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.628481][ T538] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 47.629036][ T538] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 47.629372][ T538] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.629682][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.630042][ T538] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 47.630350][ T538] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 47.630655][ T538] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 47.630969][ T538] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 47.631281][ T538] ? 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) 
[ 47.631612][ T538] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 47.631920][ T538] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 47.632234][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.632542][ T538] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 47.632849][ T538] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 47.633190][ T538] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 47.633509][ T538] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 47.633821][ T538] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 47.634134][ T538] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 47.634528][ T538] ___sys_sendmsg (net/socket.c:2670) 
[ 47.634830][ T538] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 47.635153][ T538] ? __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) 
[ 47.635529][ T538] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 47.635836][ T538] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.636156][ T538] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 47.636464][ T538] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 47.636768][ T538] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 47.637108][ T538] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 47.637426][ T538] __sys_sendmsg (net/socket.c:2700) 
[ 47.637725][ T538] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 47.638112][ T538] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 47.638429][ T538] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 47.638755][ T538] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 47.639076][ T538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   47.639461][  T538] RIP: 0033:0x7f8a15aca1e7
[ 47.639779][ T538] 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)
[   47.640880][  T538] RSP: 002b:00007ffe6fa79118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   47.641388][  T538] RAX: ffffffffffffffda RBX: 00007ffe6fa79840 RCX: 00007f8a15aca1e7
[   47.641847][  T538] RDX: 0000000000000000 RSI: 00007ffe6fa79180 RDI: 0000000000000005
[   47.642315][  T538] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   47.642768][  T538] R10: 00007f8a159c7ee8 R11: 0000000000000246 R12: 0000000000000003
[   47.643236][  T538] R13: 00000000686e20c9 R14: 0000000000499600 R15: 0000000000000000
| [   48.163727][  T542] ------------[ cut here ]------------
| [ 48.164086][ T542] WARNING: CPU: 2 PID: 542 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) 
| [   48.164708][  T542] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   48.165910][  T542] Tainted: [W]=WARN
[   48.166189][  T542] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.166592][ T542] 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) 
[ 48.166919][ T542] 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
[   48.168557][  T542] RSP: 0018:ffffc90000fc6f70 EFLAGS: 00010246
[   48.168968][  T542] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   48.169482][  T542] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   48.169953][  T542] RBP: ffffc90000fc7058 R08: 0000000000000000 R09: 0000000000000000
[   48.170448][  T542] R10: ffffc90000fc7088 R11: ffffffff9c179160 R12: 1ffff920001f8df2
[   48.170920][  T542] R13: 00000000000005dc R14: ffffc90000fc7088 R15: ffff88800b762f08
[   48.171409][  T542] FS:  00007f0484833800(0000) GS:ffff8880985b7000(0000) knlGS:0000000000000000
[   48.171956][  T542] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.172364][  T542] CR2: 00000000004e5ab0 CR3: 00000000091d7002 CR4: 0000000000772ef0
[   48.172838][  T542] PKRU: 55555554
[   48.173101][  T542] Call Trace:
[   48.173384][  T542]  <TASK>
[ 48.173561][ T542] ? __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) 
[ 48.173960][ T542] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 48.174358][ T542] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.174686][ T542] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.175004][ T542] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.175337][ T542] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.175655][ T542] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.175987][ T542] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.176317][ T542] ? ___sys_sendmsg (net/socket.c:2670) 
[ 48.176635][ T542] ? __sys_sendmsg (net/socket.c:2700) 
[ 48.176951][ T542] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.177280][ T542] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 48.177670][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.177998][ T542] netif_set_mtu (net/core/dev.c:9652) 
[ 48.178360][ T542] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 48.178729][ T542] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 48.178974][ T542] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 48.179425][ T542] br_del_if (net/bridge/br_if.c:743) bridge 
[ 48.179779][ T542] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 48.180111][ T542] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.180431][ T542] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.180752][ T542] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.181170][ T542] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.181488][ T542] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.181803][ T542] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.182152][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.182473][ T542] ? __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) 
[ 48.182792][ T542] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.183192][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.183520][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.183835][ T542] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.184161][ T542] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.184480][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.184801][ T542] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.185124][ T542] ? __create_object (mm/kmemleak.c:771) 
[ 48.185445][ T542] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.185764][ T542] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.186120][ T542] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.186513][ T542] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.186835][ T542] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.187169][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.187488][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.187809][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.188138][ T542] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.188466][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.188789][ T542] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.189115][ T542] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.189437][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.189761][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.190127][ T542] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.190461][ T542] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.190789][ T542] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.191132][ T542] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.191449][ T542] ? 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) 
[ 48.191767][ T542] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.192098][ T542] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.192413][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.192737][ T542] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.193068][ T542] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.193395][ T542] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.193717][ T542] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.194062][ T542] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.194388][ T542] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.194791][ T542] ___sys_sendmsg (net/socket.c:2670) 
[ 48.195114][ T542] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.195433][ T542] ? __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) 
[ 48.195830][ T542] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.196229][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.196558][ T542] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.196882][ T542] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.197209][ T542] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.197527][ T542] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.197848][ T542] __sys_sendmsg (net/socket.c:2700) 
[ 48.198203][ T542] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.198609][ T542] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.198940][ T542] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.199271][ T542] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.199590][ T542] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.199977][  T542] RIP: 0033:0x7f0484a001e7
[ 48.200314][ T542] 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)
[   48.201460][  T542] RSP: 002b:00007ffe98af5928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.201936][  T542] RAX: ffffffffffffffda RBX: 00007ffe98af6050 RCX: 00007f0484a001e7
[   48.202431][  T542] RDX: 0000000000000000 RSI: 00007ffe98af5990 RDI: 0000000000000005
[   48.202914][  T542] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   48.203394][  T542] R10: 00007f04848fdee8 R11: 0000000000000246 R12: 0000000000000003
[   48.203858][  T542] R13: 00000000686e20c9 R14: 0000000000499600 R15: 0000000000000000
| [   48.448809][  T544] ------------[ cut here ]------------
| [ 48.449179][ T544] WARNING: CPU: 2 PID: 544 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) 
| [   48.449794][  T544] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
| [   48.451033][  T544] Tainted: [W]=WARN
[   48.451296][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 48.451687][ T544] 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) 
[ 48.452015][ T544] 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
[   48.453170][  T544] RSP: 0018:ffffc90000fd6f70 EFLAGS: 00010246
[   48.453590][  T544] RAX: 0000000000000000 RBX: ffff88800b762000 RCX: 0000000000000001
[   48.454067][  T544] RDX: 0000000000000000 RSI: ffffffff9bc9b941 RDI: ffffffff9b4555e0
[   48.454553][  T544] RBP: ffffc90000fd7058 R08: 0000000000000000 R09: 0000000000000000
[   48.455040][  T544] R10: ffffc90000fd7088 R11: ffffffff9c179160 R12: 1ffff920001fadf2
[   48.455525][  T544] R13: 00000000000005dc R14: ffffc90000fd7088 R15: ffff88800b762f08
[   48.455996][  T544] FS:  00007ff29e824800(0000) GS:ffff8880985b7000(0000) knlGS:0000000000000000
[   48.456566][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.456963][  T544] CR2: 00000000004e5aa8 CR3: 00000000091d7004 CR4: 0000000000772ef0
[   48.457474][  T544] PKRU: 55555554
[   48.457720][  T544] Call Trace:
[   48.457960][  T544]  <TASK>
[ 48.458140][ T544] ? __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) 
[ 48.458563][ T544] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 48.458925][ T544] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.459256][ T544] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.459601][ T544] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 48.459918][ T544] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.460248][ T544] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.460581][ T544] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.460900][ T544] ? ___sys_sendmsg (net/socket.c:2670) 
[ 48.461223][ T544] ? __sys_sendmsg (net/socket.c:2700) 
[ 48.461555][ T544] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.461871][ T544] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 48.462278][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.462649][ T544] netif_set_mtu (net/core/dev.c:9652) 
[ 48.462985][ T544] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 48.463331][ T544] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 48.463595][ T544] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 48.464061][ T544] br_del_if (net/bridge/br_if.c:743) bridge 
[ 48.464415][ T544] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 48.464757][ T544] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 48.465097][ T544] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 48.465420][ T544] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 48.465832][ T544] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 48.466159][ T544] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 48.466477][ T544] ? __kernel_text_address (kernel/extable.c:79) 
[ 48.466813][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.467151][ T544] ? __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) 
[ 48.467531][ T544] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 48.467944][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.468279][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.468606][ T544] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 48.468942][ T544] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 48.469275][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.469591][ T544] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 48.469935][ T544] ? __create_object (mm/kmemleak.c:771) 
[ 48.470267][ T544] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 48.470588][ T544] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 48.470921][ T544] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 48.471323][ T544] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 48.471646][ T544] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 48.471984][ T544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.472318][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.472642][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.472975][ T544] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 48.473304][ T544] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.473623][ T544] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 48.473951][ T544] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 48.474281][ T544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.474607][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.474958][ T544] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 48.475307][ T544] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 48.475634][ T544] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 48.475980][ T544] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 48.476312][ T544] ? 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) 
[ 48.476631][ T544] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 48.476968][ T544] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 48.477302][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.477625][ T544] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 48.477961][ T544] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 48.478293][ T544] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 48.478628][ T544] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 48.478965][ T544] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 48.479291][ T544] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 48.479700][ T544] ___sys_sendmsg (net/socket.c:2670) 
[ 48.480038][ T544] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 48.480357][ T544] ? __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) 
[ 48.480745][ T544] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 48.481091][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.481410][ T544] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 48.481732][ T544] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 48.482086][ T544] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 48.482405][ T544] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 48.482727][ T544] __sys_sendmsg (net/socket.c:2700) 
[ 48.483072][ T544] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 48.483463][ T544] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 48.483791][ T544] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 48.484137][ T544] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 48.484456][ T544] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   48.484850][  T544] RIP: 0033:0x7ff29e9f11e7
[ 48.485209][ T544] 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)
[   48.486328][  T544] RSP: 002b:00007fffa89a3e08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   48.486808][  T544] RAX: ffffffffffffffda RBX: 00007fffa89a4530 RCX: 00007ff29e9f11e7
[   48.487301][  T544] RDX: 0000000000000000 RSI: 00007fffa89a3e70 RDI: 0000000000000005
[   48.487770][  T544] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   48.488259][  T544] R10: 00007ff29e8eeee8 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