======================================
| [   22.060059][  T328] br1: port 1(vx10) entered forwarding state
| [   22.061373][  T328] ------------[ cut here ]------------
| [ 22.061732][ T328] WARNING: CPU: 2 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) 
| [   22.062365][  T328] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[   22.063619][  T328] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.064040][ 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) 
[ 22.064378][ 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
[   22.065501][  T328] RSP: 0018:ffffc90000586ef0 EFLAGS: 00010246
[   22.065919][  T328] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   22.066393][  T328] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   22.066877][  T328] RBP: ffffc90000586fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.067582][  T328] R10: ffffc90000587010 R11: ffffffff9f2a8918 R12: 1ffff920000b0de2
[   22.068062][  T328] R13: 00000000000005dc R14: ffffc90000587010 R15: ffff888008bfaf08
[   22.068567][  T328] FS:  00007faaf5db1800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   22.069126][  T328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.069547][  T328] CR2: 00000000004e5ce0 CR3: 000000000a2a3002 CR4: 0000000000772ef0
[   22.070030][  T328] PKRU: 55555554
[   22.070277][  T328] Call Trace:
[   22.070541][  T328]  <TASK>
[ 22.070718][ T328] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.071045][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.071376][ T328] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.071722][ T328] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.072127][ T328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.072459][ T328] netif_set_mtu (net/core/dev.c:9652) 
[ 22.072791][ T328] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.073127][ T328] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.073580][ T328] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.073838][ T328] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.074279][ T328] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.074669][ T328] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.074995][ T328] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.075319][ T328] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.075726][ T328] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.076051][ T328] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.076368][ T328] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.076718][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.077047][ 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) 
[ 22.077368][ T328] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.077779][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.078103][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.078446][ T328] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.078775][ T328] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.079105][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.079439][ T328] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.079777][ T328] ? __create_object (mm/kmemleak.c:771) 
[ 22.080109][ T328] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.080447][ T328] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.080780][ T328] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.081174][ T328] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.081516][ T328] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.081842][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.082168][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.082506][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.082829][ T328] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.083149][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.083485][ T328] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.083809][ T328] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.084130][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.084462][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.084801][ T328] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.085124][ T328] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.085462][ T328] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.085814][ T328] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.086159][ 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) 
[ 22.086512][ T328] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.086855][ T328] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.087195][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.087550][ T328] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.087893][ T328] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.088227][ T328] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.088608][ T328] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.088953][ T328] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.089291][ T328] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.089729][ T328] ___sys_sendmsg (net/socket.c:2670) 
[ 22.090063][ T328] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.090404][ 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) 
[ 22.090838][ T328] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.091184][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.091540][ T328] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.092156][ T328] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.092493][ 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) 
[ 22.092815][ T328] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.093142][ T328] __sys_sendmsg (net/socket.c:2700) 
[ 22.093475][ T328] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.093870][ T328] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.094208][ T328] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.094545][ T328] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.094873][ T328] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.095268][  T328] RIP: 0033:0x7faaf5f7e1e7
[ 22.095612][ 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)
[   22.096749][  T328] RSP: 002b:00007ffe516d1048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.097232][  T328] RAX: ffffffffffffffda RBX: 00007ffe516d1770 RCX: 00007faaf5f7e1e7
[   22.097738][  T328] RDX: 0000000000000000 RSI: 00007ffe516d10b0 RDI: 0000000000000005
[   22.098217][  T328] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.098751][  T328] R10: 0000000020a33910 R11: 0000000000000246 R12: 0000000000000004
[   22.099257][  T328] R13: 00000000686e3df6 R14: 0000000000499600 R15: 0000000000000000
| [   22.650556][  T333] ------------[ cut here ]------------
| [ 22.650912][ T333] WARNING: CPU: 1 PID: 333 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.651670][  T333] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.652950][  T333] Tainted: [W]=WARN
[   22.653203][  T333] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.653631][ T333] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.653961][ T333] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.655127][  T333] RSP: 0018:ffffc900005e6ef0 EFLAGS: 00010246
[   22.655549][  T333] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   22.656037][  T333] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   22.656696][  T333] RBP: ffffc900005e6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.657203][  T333] R10: ffffc900005e7010 R11: ffffffff9f2a8918 R12: 1ffff920000bcde2
[   22.657746][  T333] R13: 00000000000005dc R14: ffffc900005e7010 R15: ffff888008bfaf08
[   22.658241][  T333] FS:  00007f567a861800(0000) GS:ffff888095d37000(0000) knlGS:0000000000000000
[   22.658834][  T333] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.659243][  T333] CR2: 00000000004e5de8 CR3: 000000000f6e4003 CR4: 0000000000772ef0
[   22.659767][  T333] PKRU: 55555554
[   22.660020][  T333] Call Trace:
[   22.660260][  T333]  <TASK>
[ 22.660443][ T333] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.660768][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.661105][ T333] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.661454][ T333] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.661849][ T333] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.662174][ T333] netif_set_mtu (net/core/dev.c:9652) 
[ 22.662508][ T333] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.662834][ T333] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.663286][ T333] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.663558][ T333] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.664004][ T333] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.664377][ T333] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.664742][ T333] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.665094][ T333] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.665506][ T333] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.665826][ T333] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.666152][ T333] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.666519][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.666848][ T333] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.667164][ T333] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.667579][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.667924][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.668237][ T333] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.668580][ T333] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.668910][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.669239][ T333] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.669578][ T333] ? __create_object (mm/kmemleak.c:771) 
[ 22.669891][ T333] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.670217][ T333] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.670550][ T333] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.670942][ T333] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.671256][ T333] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.671596][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.671930][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.672258][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.672602][ T333] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.672946][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.673288][ T333] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.673626][ T333] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.673936][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.674269][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.674598][ T333] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.674933][ T333] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.675257][ T333] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.675615][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.675925][ T333] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.676234][ T333] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.676573][ T333] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.676893][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.677215][ T333] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.677556][ T333] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.677865][ T333] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.678197][ T333] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.678539][ T333] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.678845][ T333] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.679249][ T333] ___sys_sendmsg (net/socket.c:2670) 
[ 22.679590][ T333] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.679916][ T333] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.680301][ T333] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.680629][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.680962][ T333] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.681274][ T333] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.681606][ T333] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.681916][ T333] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.682247][ T333] __sys_sendmsg (net/socket.c:2700) 
[ 22.682576][ T333] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.682961][ T333] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.683293][ T333] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.683632][ T333] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.683952][ T333] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.684332][  T333] RIP: 0033:0x7f567aa2e1e7
[ 22.684688][ T333] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.685829][  T333] RSP: 002b:00007ffcbce5f3d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.686300][  T333] RAX: ffffffffffffffda RBX: 00007ffcbce5fb00 RCX: 00007f567aa2e1e7
[   22.686779][  T333] RDX: 0000000000000000 RSI: 00007ffcbce5f440 RDI: 0000000000000005
[   22.687254][  T333] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.687750][  T333] R10: 00000000005ac910 R11: 0000000000000246 R12: 0000000000000004
[   22.688219][  T333] R13: 00000000686e3df7 R14: 0000000000499600 R15: 0000000000000000
| [   22.954121][  T335] ------------[ cut here ]------------
| [ 22.954458][ T335] WARNING: CPU: 3 PID: 335 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   22.955085][  T335] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   22.956675][  T335] Tainted: [W]=WARN
[   22.956919][  T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.957316][ T335] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 22.957657][ T335] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   22.958821][  T335] RSP: 0018:ffffc900005d6ef0 EFLAGS: 00010246
[   22.959228][  T335] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   22.959717][  T335] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   22.960203][  T335] RBP: ffffc900005d6fe0 R08: 0000000000000000 R09: 0000000000000000
[   22.960689][  T335] R10: ffffc900005d7010 R11: ffffffff9f2a8918 R12: 1ffff920000bade2
[   22.961166][  T335] R13: 00000000000005dc R14: ffffc900005d7010 R15: ffff888008bfaf08
[   22.961673][  T335] FS:  00007fab13aff800(0000) GS:ffff888095e37000(0000) knlGS:0000000000000000
[   22.962241][  T335] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.962821][  T335] CR2: 00000000004e5aa8 CR3: 000000000af1d005 CR4: 0000000000772ef0
[   22.963302][  T335] PKRU: 55555554
[   22.963690][  T335] Call Trace:
[   22.963932][  T335]  <TASK>
[ 22.964097][ T335] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 22.964433][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.964771][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 22.965090][ T335] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 22.965518][ T335] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 22.965842][ T335] netif_set_mtu (net/core/dev.c:9652) 
[ 22.966161][ T335] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 22.966499][ T335] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 22.966959][ T335] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 22.967203][ T335] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 22.967649][ T335] br_add_if (net/bridge/br_if.c:697) bridge 
[ 22.968044][ T335] do_set_master (net/core/rtnetlink.c:2948) 
[ 22.968392][ T335] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 22.968763][ T335] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 22.969186][ T335] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 22.969556][ T335] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 22.969893][ T335] ? __kernel_text_address (kernel/extable.c:79) 
[ 22.970233][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.970582][ T335] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 22.970917][ T335] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 22.971339][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.971687][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.972027][ T335] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 22.972360][ T335] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 22.972705][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.973028][ T335] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 22.973341][ T335] ? __create_object (mm/kmemleak.c:771) 
[ 22.973696][ T335] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 22.974020][ T335] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 22.974336][ T335] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 22.974749][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 22.975076][ T335] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 22.975397][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.975725][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.976048][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.976366][ T335] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 22.976692][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.977017][ T335] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 22.977340][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 22.977685][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.978006][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.978326][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 22.978677][ T335] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 22.978995][ T335] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 22.979319][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 22.979653][ T335] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 22.979976][ T335] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 22.980293][ T335] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 22.980617][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.980942][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 22.981262][ T335] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 22.981605][ T335] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 22.981942][ T335] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 22.982263][ T335] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 22.982590][ T335] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 22.982999][ T335] ___sys_sendmsg (net/socket.c:2670) 
[ 22.983315][ T335] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 22.983643][ T335] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 22.984037][ T335] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 22.984361][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.984690][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 22.985013][ T335] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 22.985334][ T335] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 22.985686][ T335] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 22.986010][ T335] __sys_sendmsg (net/socket.c:2700) 
[ 22.986321][ T335] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 22.986728][ T335] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 22.987055][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 22.987372][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 22.987902][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   22.988298][  T335] RIP: 0033:0x7fab13ccc1e7
[ 22.988649][ T335] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   22.989807][  T335] RSP: 002b:00007ffccf794698 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   22.990295][  T335] RAX: ffffffffffffffda RBX: 00007ffccf794dc0 RCX: 00007fab13ccc1e7
[   22.990793][  T335] RDX: 0000000000000000 RSI: 00007ffccf794700 RDI: 0000000000000005
[   22.991273][  T335] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   22.991769][  T335] R10: 0000000026e6b910 R11: 0000000000000246 R12: 0000000000000004
[   22.992249][  T335] R13: 00000000686e3df7 R14: 0000000000499600 R15: 0000000000000000
| [   23.351177][  T338] ------------[ cut here ]------------
| [ 23.351547][ T338] WARNING: CPU: 0 PID: 338 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   23.352187][  T338] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   23.354199][  T338] Tainted: [W]=WARN
[   23.354622][  T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.355026][ T338] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 23.355362][ T338] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   23.356668][  T338] RSP: 0018:ffffc900005b6ef0 EFLAGS: 00010246
[   23.357081][  T338] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   23.357712][  T338] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   23.358209][  T338] RBP: ffffc900005b6fe0 R08: 0000000000000000 R09: 0000000000000000
[   23.358773][  T338] R10: ffffc900005b7010 R11: ffffffff9f2a8918 R12: 1ffff920000b6de2
[   23.359257][  T338] R13: 00000000000005dc R14: ffffc900005b7010 R15: ffff888008bfaf08
[   23.359750][  T338] FS:  00007feb335d2800(0000) GS:ffff888095cb7000(0000) knlGS:0000000000000000
[   23.360324][  T338] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.360741][  T338] CR2: 00000000004e5ab0 CR3: 000000000c37d005 CR4: 0000000000772ef0
[   23.361228][  T338] PKRU: 55555554
[   23.361478][  T338] Call Trace:
[   23.361723][  T338]  <TASK>
[ 23.361891][ T338] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 23.362216][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.362557][ T338] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 23.362881][ T338] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 23.363282][ T338] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 23.363616][ T338] netif_set_mtu (net/core/dev.c:9652) 
[ 23.363940][ T338] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 23.364278][ T338] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 23.364750][ T338] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 23.364998][ T338] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 23.365458][ T338] br_add_if (net/bridge/br_if.c:697) bridge 
[ 23.365830][ T338] do_set_master (net/core/rtnetlink.c:2948) 
[ 23.366155][ T338] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 23.366495][ T338] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 23.366903][ T338] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 23.367228][ T338] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 23.367557][ T338] ? __kernel_text_address (kernel/extable.c:79) 
[ 23.367885][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.368204][ T338] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 23.368538][ T338] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 23.368921][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.369227][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.369541][ T338] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 23.369851][ T338] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 23.370172][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.370493][ T338] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 23.370799][ T338] ? __create_object (mm/kmemleak.c:771) 
[ 23.371114][ T338] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 23.371433][ T338] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 23.371740][ T338] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 23.372123][ T338] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 23.372452][ T338] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 23.372770][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.373092][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.373429][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.373750][ T338] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 23.374074][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.374395][ T338] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 23.374732][ T338] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 23.375070][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.375395][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.375725][ T338] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 23.376040][ T338] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 23.376346][ T338] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 23.376673][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 23.376985][ T338] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 23.377299][ T338] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 23.377619][ T338] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 23.377938][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.378259][ T338] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 23.378592][ T338] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 23.378907][ T338] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 23.379220][ T338] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 23.379541][ T338] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 23.379855][ T338] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 23.380248][ T338] ___sys_sendmsg (net/socket.c:2670) 
[ 23.380565][ T338] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 23.380881][ T338] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 23.381284][ T338] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 23.381603][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.381921][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 23.382237][ T338] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 23.382556][ T338] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 23.382862][ T338] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 23.383178][ T338] __sys_sendmsg (net/socket.c:2700) 
[ 23.383497][ T338] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 23.383877][ T338] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 23.384195][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 23.384520][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 23.384833][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   23.385215][  T338] RIP: 0033:0x7feb3379f1e7
[ 23.385541][ T338] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   23.386657][  T338] RSP: 002b:00007ffd89b8be18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   23.387119][  T338] RAX: ffffffffffffffda RBX: 00007ffd89b8c540 RCX: 00007feb3379f1e7
[   23.387591][  T338] RDX: 0000000000000000 RSI: 00007ffd89b8be80 RDI: 0000000000000005
[   23.388051][  T338] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   23.388540][  T338] R10: 000000002ca6d910 R11: 0000000000000246 R12: 0000000000000004
[   23.389002][  T338] R13: 00000000686e3df7 R14: 0000000000499600 R15: 0000000000000000
| [   24.033380][  T344] ------------[ cut here ]------------
| [ 24.033735][ T344] WARNING: CPU: 2 PID: 344 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   24.034395][  T344] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   24.035705][  T344] Tainted: [W]=WARN
[   24.035973][  T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 24.036388][ T344] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 24.036748][ T344] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   24.037940][  T344] RSP: 0018:ffffc90000656ef0 EFLAGS: 00010246
[   24.038358][  T344] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   24.038872][  T344] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   24.039363][  T344] RBP: ffffc90000656fe0 R08: 0000000000000000 R09: 0000000000000000
[   24.039875][  T344] R10: ffffc90000657010 R11: ffffffff9f2a8918 R12: 1ffff920000cade2
[   24.040370][  T344] R13: 00000000000005dc R14: ffffc90000657010 R15: ffff888008bfaf08
[   24.040890][  T344] FS:  00007fb05b3d0800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   24.041484][  T344] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.041907][  T344] CR2: 00000000004e6890 CR3: 000000000db24006 CR4: 0000000000772ef0
[   24.042420][  T344] PKRU: 55555554
[   24.042676][  T344] Call Trace:
[   24.042935][  T344]  <TASK>
[ 24.043129][ T344] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 24.043486][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.043837][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 24.044174][ T344] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 24.044621][ T344] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 24.044963][ T344] netif_set_mtu (net/core/dev.c:9652) 
[ 24.045307][ T344] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 24.045671][ T344] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 24.046147][ T344] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 24.046420][ T344] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 24.046881][ T344] br_add_if (net/bridge/br_if.c:697) bridge 
[ 24.047264][ T344] do_set_master (net/core/rtnetlink.c:2948) 
[ 24.047631][ T344] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 24.047972][ T344] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 24.048406][ T344] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 24.048772][ T344] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 24.049107][ T344] ? __kernel_text_address (kernel/extable.c:79) 
[ 24.049464][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.049807][ T344] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 24.050148][ T344] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 24.050579][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.050929][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.051269][ T344] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 24.051616][ T344] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 24.051956][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.052286][ T344] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 24.052631][ T344] ? __create_object (mm/kmemleak.c:771) 
[ 24.052974][ T344] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 24.053322][ T344] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 24.053672][ T344] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 24.054093][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 24.054449][ T344] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 24.054795][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.055133][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.055498][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.055839][ T344] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 24.056176][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.056538][ T344] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 24.056883][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 24.057234][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.057592][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.057945][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 24.058294][ T344] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 24.058660][ T344] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 24.059015][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 24.059359][ T344] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 24.059718][ T344] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 24.060068][ T344] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 24.060463][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.060837][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 24.061185][ T344] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 24.061538][ T344] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 24.061897][ T344] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 24.062261][ T344] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 24.062627][ T344] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 24.063063][ T344] ___sys_sendmsg (net/socket.c:2670) 
[ 24.063402][ T344] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 24.063754][ T344] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 24.064180][ T344] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 24.064543][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.064902][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 24.065250][ T344] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 24.065606][ T344] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 24.065952][ T344] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 24.066303][ T344] __sys_sendmsg (net/socket.c:2700) 
[ 24.066658][ T344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 24.067101][ T344] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 24.067499][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 24.067850][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 24.068187][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   24.068627][  T344] RIP: 0033:0x7fb05b59d1e7
[ 24.068977][ T344] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   24.070165][  T344] RSP: 002b:00007ffd9da2b798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   24.070684][  T344] RAX: ffffffffffffffda RBX: 00007ffd9da2bec0 RCX: 00007fb05b59d1e7
[   24.071188][  T344] RDX: 0000000000000000 RSI: 00007ffd9da2b800 RDI: 0000000000000005
[   24.071697][  T344] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   24.072200][  T344] R10: 0000000008d62910 R11: 0000000000000246 R12: 0000000000000004
[   24.072715][  T344] R13: 00000000686e3df8 R14: 0000000000499600 R15: 0000000000000000
| [   33.844574][  T438] ------------[ cut here ]------------
| [ 33.844967][ T438] WARNING: CPU: 2 PID: 438 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   33.845930][  T438] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   33.847287][  T438] Tainted: [W]=WARN
[   33.847556][  T438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 33.847976][ T438] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 33.848323][ T438] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   33.849560][  T438] RSP: 0018:ffffc90000a26ef0 EFLAGS: 00010246
[   33.849987][  T438] RAX: 0000000000000000 RBX: ffff88800aec2000 RCX: 0000000000000001
[   33.850502][  T438] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   33.850996][  T438] RBP: ffffc90000a26fe0 R08: 0000000000000000 R09: 0000000000000000
[   33.851497][  T438] R10: ffffc90000a27010 R11: ffffffff9e979160 R12: 1ffff92000144de2
[   33.851991][  T438] R13: 00000000000005dc R14: ffffc90000a27010 R15: ffff88800aec2f08
[   33.852500][  T438] FS:  00007f28a480c800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   33.853116][  T438] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.853551][  T438] CR2: 00000000004e5ce0 CR3: 000000000bd38001 CR4: 0000000000772ef0
[   33.854056][  T438] PKRU: 55555554
[   33.854309][  T438] Call Trace:
[   33.854591][  T438]  <TASK>
[ 33.854783][ T438] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 33.855127][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.855638][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.856122][ T438] netif_set_mtu (net/core/dev.c:9652) 
[ 33.856620][ T438] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 33.857116][ T438] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 33.857382][ T438] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 33.857862][ T438] br_add_if (net/bridge/br_if.c:697) bridge 
[ 33.858255][ T438] do_set_master (net/core/rtnetlink.c:2948) 
[ 33.858644][ T438] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 33.858992][ T438] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 33.859424][ T438] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 33.860011][ T438] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 33.860351][ T438] ? __kernel_text_address (kernel/extable.c:79) 
[ 33.860710][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.861083][ T438] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 33.861432][ T438] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 33.861855][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.862193][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.862539][ T438] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 33.862877][ T438] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 33.863213][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.863572][ T438] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 33.863909][ T438] ? __create_object (mm/kmemleak.c:771) 
[ 33.864248][ T438] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 33.864595][ T438] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 33.864971][ T438] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 33.865390][ T438] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 33.865749][ T438] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 33.866103][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.866471][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.866838][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.867187][ T438] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 33.867536][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.867872][ T438] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 33.868205][ T438] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 33.868570][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.868911][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.869246][ T438] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 33.869604][ T438] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 33.870155][ T438] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 33.870813][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 33.871348][ T438] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 33.871950][ T438] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 33.872569][ T438] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 33.873144][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.873733][ T438] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 33.874322][ T438] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 33.874944][ T438] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 33.875559][ T438] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 33.876137][ T438] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 33.876745][ T438] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 33.877491][ T438] ___sys_sendmsg (net/socket.c:2670) 
[ 33.878034][ T438] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 33.878661][ T438] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 33.879361][ T438] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 33.879914][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.880507][ T438] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 33.881113][ T438] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 33.881726][ T438] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 33.882300][ T438] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 33.882906][ T438] __sys_sendmsg (net/socket.c:2700) 
[ 33.883505][ T438] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 33.884219][ T438] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 33.884837][ T438] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 33.885392][ T438] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 33.886004][ T438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   33.886745][  T438] RIP: 0033:0x7f28a49d91e7
[ 33.887338][ T438] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   33.888713][  T438] RSP: 002b:00007ffc6fdf2cd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   33.889539][  T438] RAX: ffffffffffffffda RBX: 00007ffc6fdf3400 RCX: 00007f28a49d91e7
[   33.890403][  T438] RDX: 0000000000000000 RSI: 00007ffc6fdf2d40 RDI: 0000000000000005
[   33.891298][  T438] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   33.892106][  T438] R10: 000000003397b910 R11: 0000000000000246 R12: 0000000000000004
[   33.892976][  T438] R13: 00000000686e3e02 R14: 0000000000499600 R15: 0000000000000000
| [   34.368865][  T442] ------------[ cut here ]------------
| [ 34.369180][ T442] WARNING: CPU: 0 PID: 442 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   34.369796][  T442] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.371074][  T442] Tainted: [W]=WARN
[   34.371308][  T442] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.371697][ T442] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 34.372015][ T442] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   34.373115][  T442] RSP: 0018:ffffc90000a66ef0 EFLAGS: 00010246
[   34.373508][  T442] RAX: 0000000000000000 RBX: ffff88800aec2000 RCX: 0000000000000001
[   34.373967][  T442] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   34.374439][  T442] RBP: ffffc90000a66fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.374902][  T442] R10: ffffc90000a67010 R11: ffffffff9f2a8918 R12: 1ffff9200014cde2
[   34.375359][  T442] R13: 00000000000005dc R14: ffffc90000a67010 R15: ffff88800aec2f08
[   34.375824][  T442] FS:  00007f5f4e815800(0000) GS:ffff888095cb7000(0000) knlGS:0000000000000000
[   34.376377][  T442] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.376780][  T442] CR2: 00000000004e5de8 CR3: 00000000090fb002 CR4: 0000000000772ef0
[   34.377240][  T442] PKRU: 55555554
[   34.377482][  T442] Call Trace:
[   34.377715][  T442]  <TASK>
[ 34.377874][ T442] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.378177][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.378519][ T442] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 34.378834][ T442] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 34.379216][ T442] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 34.379549][ T442] netif_set_mtu (net/core/dev.c:9652) 
[ 34.379861][ T442] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.380178][ T442] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 34.380623][ T442] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.380859][ T442] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.381285][ T442] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.381647][ T442] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.381962][ T442] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.382273][ T442] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.382671][ T442] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.382980][ T442] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.383284][ T442] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.383614][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.383926][ T442] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 34.384235][ T442] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.384635][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.384946][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.385251][ T442] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.385587][ T442] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.385901][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.386207][ T442] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.386527][ T442] ? __create_object (mm/kmemleak.c:771) 
[ 34.386839][ T442] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.387148][ T442] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.387462][ T442] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.387841][ T442] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.388156][ T442] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.388498][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.388804][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.389119][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.389450][ T442] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.389757][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.390064][ T442] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.390375][ T442] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.390702][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.391013][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.391325][ T442] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.391642][ T442] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.391948][ T442] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.392264][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.392586][ T442] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 34.392901][ T442] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.393211][ T442] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.393528][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.393838][ T442] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.394143][ T442] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.394468][ T442] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.394786][ T442] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.395106][ T442] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.395424][ T442] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.395822][ T442] ___sys_sendmsg (net/socket.c:2670) 
[ 34.396125][ T442] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.396444][ T442] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 34.396826][ T442] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.397135][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.397454][ T442] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.397765][ T442] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.398070][ T442] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.398380][ T442] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.398729][ T442] __sys_sendmsg (net/socket.c:2700) 
[ 34.399032][ T442] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.399419][ T442] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.399737][ T442] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.400050][ T442] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.400354][ T442] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.400743][  T442] RIP: 0033:0x7f5f4e9e21e7
[ 34.401060][ T442] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   34.402160][  T442] RSP: 002b:00007ffd8b18cce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.402635][  T442] RAX: ffffffffffffffda RBX: 00007ffd8b18d410 RCX: 00007f5f4e9e21e7
[   34.403094][  T442] RDX: 0000000000000000 RSI: 00007ffd8b18cd50 RDI: 0000000000000005
[   34.403555][  T442] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.404014][  T442] R10: 00000000263d9910 R11: 0000000000000246 R12: 0000000000000004
[   34.404480][  T442] R13: 00000000686e3e02 R14: 0000000000499600 R15: 0000000000000000
| [   34.875073][  T446] ------------[ cut here ]------------
| [ 34.875404][ T446] WARNING: CPU: 0 PID: 446 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) 
| [   34.876033][  T446] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   34.877360][  T446] Tainted: [W]=WARN
[   34.877604][  T446] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.877991][ T446] 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) 
[ 34.878308][ T446] 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
[   34.879435][  T446] RSP: 0018:ffffc90000af6ef0 EFLAGS: 00010246
[   34.879826][  T446] RAX: 0000000000000000 RBX: ffff88800aec2000 RCX: 0000000000000001
[   34.880287][  T446] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   34.880757][  T446] RBP: ffffc90000af6fe0 R08: 0000000000000000 R09: 0000000000000000
[   34.881276][  T446] R10: ffffc90000af7010 R11: ffffffff9e979160 R12: 1ffff9200015ede2
[   34.881748][  T446] R13: 00000000000005dc R14: ffffc90000af7010 R15: ffff88800aec2f08
[   34.882215][  T446] FS:  00007f6dc8ba9800(0000) GS:ffff888095cb7000(0000) knlGS:0000000000000000
[   34.882782][  T446] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.883179][  T446] CR2: 00000000004e6890 CR3: 000000000bd4b001 CR4: 0000000000772ef0
[   34.883651][  T446] PKRU: 55555554
[   34.883883][  T446] Call Trace:
[   34.884113][  T446]  <TASK>
[ 34.884275][ T446] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 34.884597][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.884943][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.885258][ T446] netif_set_mtu (net/core/dev.c:9652) 
[ 34.885584][ T446] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 34.885906][ T446] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 34.886142][ T446] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 34.886584][ T446] br_add_if (net/bridge/br_if.c:697) bridge 
[ 34.886941][ T446] do_set_master (net/core/rtnetlink.c:2948) 
[ 34.887255][ T446] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 34.887579][ T446] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 34.887991][ T446] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 34.888301][ T446] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 34.888639][ T446] ? __kernel_text_address (kernel/extable.c:79) 
[ 34.888998][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.889315][ T446] ? __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) 
[ 34.889637][ T446] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 34.890020][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.890332][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.890646][ T446] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 34.890957][ T446] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 34.891266][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.891579][ T446] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 34.891886][ T446] ? __create_object (mm/kmemleak.c:771) 
[ 34.892199][ T446] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 34.892512][ T446] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 34.892822][ T446] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 34.893240][ T446] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 34.893559][ T446] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 34.893871][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.894175][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.894496][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.894801][ T446] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 34.895108][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.895424][ T446] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 34.895725][ T446] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 34.896030][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.896338][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.896655][ T446] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 34.896993][ T446] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 34.897303][ T446] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 34.897634][ T446] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 34.897938][ T446] ? 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) 
[ 34.898243][ T446] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 34.898578][ T446] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 34.898882][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.899192][ T446] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 34.899513][ T446] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 34.899824][ T446] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 34.900143][ T446] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 34.900463][ T446] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 34.900770][ T446] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 34.901203][ T446] ___sys_sendmsg (net/socket.c:2670) 
[ 34.901518][ T446] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 34.901826][ T446] ? __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) 
[ 34.902217][ T446] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 34.902534][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.902850][ T446] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 34.903160][ T446] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 34.903479][ T446] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 34.903790][ T446] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 34.904103][ T446] __sys_sendmsg (net/socket.c:2700) 
[ 34.904422][ T446] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 34.904805][ T446] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 34.905152][ T446] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 34.905473][ T446] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 34.905781][ T446] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   34.906161][  T446] RIP: 0033:0x7f6dc8d761e7
[ 34.906486][ T446] 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)
[   34.907582][  T446] RSP: 002b:00007fffe5bc85e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   34.908049][  T446] RAX: ffffffffffffffda RBX: 00007fffe5bc8d10 RCX: 00007f6dc8d761e7
[   34.908532][  T446] RDX: 0000000000000000 RSI: 00007fffe5bc8650 RDI: 0000000000000005
[   34.909025][  T446] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   34.909496][  T446] R10: 000000002bf90910 R11: 0000000000000246 R12: 0000000000000004
[   34.909955][  T446] R13: 00000000686e3e03 R14: 0000000000499600 R15: 0000000000000000
| [   35.194789][  T448] ------------[ cut here ]------------
| [ 35.195193][ T448] WARNING: CPU: 2 PID: 448 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.196325][  T448] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   35.197665][  T448] Tainted: [W]=WARN
[   35.197910][  T448] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.198308][ T448] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.198666][ T448] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.199805][  T448] RSP: 0018:ffffc90000ba6ef0 EFLAGS: 00010246
[   35.200216][  T448] RAX: 0000000000000000 RBX: ffff88800aec2000 RCX: 0000000000000001
[   35.200744][  T448] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   35.201220][  T448] RBP: ffffc90000ba6fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.201724][  T448] R10: ffffc90000ba7010 R11: ffffffff9e979160 R12: 1ffff92000174de2
[   35.202200][  T448] R13: 00000000000005dc R14: ffffc90000ba7010 R15: ffff88800aec2f08
[   35.202674][  T448] FS:  00007f4252822800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   35.203222][  T448] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.203637][  T448] CR2: 00000000004e6890 CR3: 000000000e134002 CR4: 0000000000772ef0
[   35.204126][  T448] PKRU: 55555554
[   35.204369][  T448] Call Trace:
[   35.204636][  T448]  <TASK>
[ 35.204810][ T448] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.205132][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.205472][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.205805][ T448] netif_set_mtu (net/core/dev.c:9652) 
[ 35.206124][ T448] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.206485][ T448] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.206734][ T448] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.207174][ T448] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.207563][ T448] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.207890][ T448] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.208221][ T448] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.208657][ T448] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.208979][ T448] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.209303][ T448] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.209636][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.209967][ T448] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.210287][ T448] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.210694][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.211012][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.211327][ T448] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.211669][ T448] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.211993][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.212309][ T448] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.212637][ T448] ? __create_object (mm/kmemleak.c:771) 
[ 35.212960][ T448] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.213283][ T448] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.213622][ T448] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.214015][ T448] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.214343][ T448] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.214685][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.215002][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.215324][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.215656][ T448] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.215974][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.216308][ T448] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.216636][ T448] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.216973][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.217296][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.217635][ T448] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.217954][ T448] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.218296][ T448] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.218652][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.218975][ T448] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.219292][ T448] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.219659][ T448] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.219977][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.220306][ T448] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.220643][ T448] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.220980][ T448] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.221304][ T448] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.221638][ T448] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.221951][ T448] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.222354][ T448] ___sys_sendmsg (net/socket.c:2670) 
[ 35.222673][ T448] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.223034][ T448] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.223438][ T448] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.223758][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.224083][ T448] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.224406][ T448] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.224736][ T448] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.225056][ T448] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.225387][ T448] __sys_sendmsg (net/socket.c:2700) 
[ 35.225711][ T448] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.226097][ T448] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.226434][ T448] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.226757][ T448] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.227075][ T448] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.227473][  T448] RIP: 0033:0x7f42529ef1e7
[ 35.227808][ T448] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.228946][  T448] RSP: 002b:00007fffd3091a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.229431][  T448] RAX: ffffffffffffffda RBX: 00007fffd3092180 RCX: 00007f42529ef1e7
[   35.229907][  T448] RDX: 0000000000000000 RSI: 00007fffd3091ac0 RDI: 0000000000000005
[   35.230373][  T448] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.230850][  T448] R10: 0000000039710910 R11: 0000000000000246 R12: 0000000000000004
[   35.231316][  T448] R13: 00000000686e3e03 R14: 0000000000499600 R15: 0000000000000000
| [   35.598642][  T451] ------------[ cut here ]------------
| [ 35.598955][ T451] WARNING: CPU: 0 PID: 451 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   35.599576][  T451] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   35.600876][  T451] Tainted: [W]=WARN
[   35.601108][  T451] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 35.601502][ T451] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 35.601820][ T451] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   35.602936][  T451] RSP: 0018:ffffc90000bd6ef0 EFLAGS: 00010246
[   35.603326][  T451] RAX: 0000000000000000 RBX: ffff88800aec2000 RCX: 0000000000000001
[   35.603810][  T451] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   35.604287][  T451] RBP: ffffc90000bd6fe0 R08: 0000000000000000 R09: 0000000000000000
[   35.604758][  T451] R10: ffffc90000bd7010 R11: ffffffff9f2a8918 R12: 1ffff9200017ade2
[   35.605259][  T451] R13: 00000000000005dc R14: ffffc90000bd7010 R15: ffff88800aec2f08
[   35.605734][  T451] FS:  00007f51e0274800(0000) GS:ffff888095cb7000(0000) knlGS:0000000000000000
[   35.606299][  T451] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.606703][  T451] CR2: 00000000004e6890 CR3: 000000000d885003 CR4: 0000000000772ef0
[   35.607174][  T451] PKRU: 55555554
[   35.607427][  T451] Call Trace:
[   35.607659][  T451]  <TASK>
[ 35.607817][ T451] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 35.608154][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.608522][ T451] ? mark_held_locks (kernel/locking/lockdep.c:4328) 
[ 35.608843][ T451] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 35.609246][ T451] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4475) 
[ 35.609570][ T451] netif_set_mtu (net/core/dev.c:9652) 
[ 35.609883][ T451] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 35.610198][ T451] ? br_get_link_af_size_filtered (net/bridge/br_netlink.c:116) bridge 
[ 35.610652][ T451] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 35.610899][ T451] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 35.611323][ T451] br_add_if (net/bridge/br_if.c:697) bridge 
[ 35.611689][ T451] do_set_master (net/core/rtnetlink.c:2948) 
[ 35.612001][ T451] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 35.612313][ T451] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 35.612714][ T451] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 35.613019][ T451] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 35.613333][ T451] ? __kernel_text_address (kernel/extable.c:79) 
[ 35.613654][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.613961][ T451] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 35.614297][ T451] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 35.614709][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.615015][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.615330][ T451] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 35.615649][ T451] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 35.615971][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.616287][ T451] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 35.616600][ T451] ? __create_object (mm/kmemleak.c:771) 
[ 35.616909][ T451] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 35.617227][ T451] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 35.617545][ T451] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 35.617933][ T451] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 35.618258][ T451] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 35.618605][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.618912][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.619238][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.619561][ T451] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 35.619873][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.620181][ T451] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 35.620511][ T451] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 35.620820][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.621128][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.621447][ T451] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 35.621761][ T451] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 35.622074][ T451] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 35.622403][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 35.622731][ T451] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 35.623047][ T451] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 35.623362][ T451] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 35.623705][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.624016][ T451] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 35.624333][ T451] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 35.624655][ T451] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 35.624976][ T451] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 35.625301][ T451] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 35.625628][ T451] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 35.626024][ T451] ___sys_sendmsg (net/socket.c:2670) 
[ 35.626336][ T451] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 35.626653][ T451] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 35.627041][ T451] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 35.627355][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.627675][ T451] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 35.628003][ T451] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 35.628320][ T451] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 35.628653][ T451] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 35.628979][ T451] __sys_sendmsg (net/socket.c:2700) 
[ 35.629285][ T451] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 35.629676][ T451] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 35.630001][ T451] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 35.630317][ T451] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 35.630639][ T451] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   35.631027][  T451] RIP: 0033:0x7f51e04411e7
[ 35.631344][ T451] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   35.632458][  T451] RSP: 002b:00007ffff56aaf98 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   35.632957][  T451] RAX: ffffffffffffffda RBX: 00007ffff56ab6c0 RCX: 00007f51e04411e7
[   35.633436][  T451] RDX: 0000000000000000 RSI: 00007ffff56ab000 RDI: 0000000000000005
[   35.633907][  T451] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[   35.634379][  T451] R10: 0000000025b4d910 R11: 0000000000000246 R12: 0000000000000004
[   35.634850][  T451] R13: 00000000686e3e04 R14: 0000000000499600 R15: 0000000000000000
| [   62.502620][  T658] ------------[ cut here ]------------
| [ 62.502966][ T658] WARNING: CPU: 2 PID: 658 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.503595][  T658] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.505023][  T658] Tainted: [W]=WARN
[   62.505270][  T658] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.505680][ T658] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.506038][ T658] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.507152][  T658] RSP: 0018:ffffc900012f6f70 EFLAGS: 00010246
[   62.507562][  T658] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   62.508030][  T658] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   62.508536][  T658] RBP: ffffc900012f7058 R08: 0000000000000000 R09: 0000000000000000
[   62.509015][  T658] R10: ffffc900012f7088 R11: ffffffff9a800130 R12: 1ffff9200025edf2
[   62.509505][  T658] R13: 00000000000005dc R14: ffffc900012f7088 R15: ffff888008bfaf08
[   62.509972][  T658] FS:  00007f71e6b3e800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   62.510530][  T658] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.510930][  T658] CR2: 00000000004e5ab0 CR3: 000000000a300003 CR4: 0000000000772ef0
[   62.511398][  T658] PKRU: 55555554
[   62.511648][  T658] Call Trace:
[   62.511888][  T658]  <TASK>
[ 62.512056][ T658] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.512472][ T658] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.512844][ T658] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.513166][ T658] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.513496][ T658] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.513814][ T658] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.514135][ T658] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.514476][ T658] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.514798][ T658] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.515112][ T658] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.515437][ T658] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.515754][ T658] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.516144][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.516491][ T658] netif_set_mtu (net/core/dev.c:9652) 
[ 62.516812][ T658] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.517159][ T658] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.517405][ T658] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.517852][ T658] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.518205][ T658] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.518562][ T658] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.518933][ T658] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.519262][ T658] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.519700][ T658] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.520036][ T658] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.520355][ T658] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.520700][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.521025][ T658] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 62.521342][ T658] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.521746][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.522069][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.522386][ T658] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.522713][ T658] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.523038][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.523361][ T658] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.523687][ T658] ? __create_object (mm/kmemleak.c:771) 
[ 62.524011][ T658] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.524332][ T658] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.524681][ T658] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.525074][ T658] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.525395][ T658] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.525729][ T658] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.526044][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.526368][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.526696][ T658] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.527012][ T658] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.527341][ T658] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.527679][ T658] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.528003][ T658] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.528327][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.528688][ T658] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.529011][ T658] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.529329][ T658] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.529679][ T658] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.529994][ T658] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.530319][ T658] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.530652][ T658] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.530971][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.531292][ T658] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.531624][ T658] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.531945][ T658] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.532269][ T658] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.532618][ T658] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.532936][ T658] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.533368][ T658] ___sys_sendmsg (net/socket.c:2670) 
[ 62.533702][ T658] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.534021][ T658] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.534435][ T658] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.534756][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.535077][ T658] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.535398][ T658] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.535726][ T658] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.536039][ T658] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.536363][ T658] __sys_sendmsg (net/socket.c:2700) 
[ 62.536700][ T658] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.537096][ T658] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.537433][ T658] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.537756][ T658] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.538073][ T658] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.538487][  T658] RIP: 0033:0x7f71e6d0b1e7
[ 62.538828][ T658] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   62.539943][  T658] RSP: 002b:00007ffc1ef6f2f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.540437][  T658] RAX: ffffffffffffffda RBX: 00007ffc1ef6fa20 RCX: 00007f71e6d0b1e7
[   62.540910][  T658] RDX: 0000000000000000 RSI: 00007ffc1ef6f360 RDI: 0000000000000005
[   62.541386][  T658] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.541867][  T658] R10: 00007f71e6c08ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.542578][  T658] R13: 00000000686e3e1f R14: 0000000000499600 R15: 0000000000000000
| [   62.951397][  T661] ------------[ cut here ]------------
| [ 62.951805][ T661] WARNING: CPU: 2 PID: 661 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   62.952595][  T661] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   62.954098][  T661] Tainted: [W]=WARN
[   62.954344][  T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 62.954751][ T661] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 62.955087][ T661] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   62.956195][  T661] RSP: 0018:ffffc90001306f70 EFLAGS: 00010246
[   62.956606][  T661] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   62.957080][  T661] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   62.957561][  T661] RBP: ffffc90001307058 R08: 0000000000000000 R09: 0000000000000000
[   62.958031][  T661] R10: ffffc90001307088 R11: ffffffff9e979160 R12: 1ffff92000260df2
[   62.959388][  T661] R13: 00000000000005dc R14: ffffc90001307088 R15: ffff888008bfaf08
[   62.959884][  T661] FS:  00007fc8013da800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   62.960449][  T661] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.960846][  T661] CR2: 00000000004e5aa8 CR3: 000000000f467006 CR4: 0000000000772ef0
[   62.961353][  T661] PKRU: 55555554
[   62.961611][  T661] Call Trace:
[   62.961859][  T661]  <TASK>
[ 62.962025][ T661] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.962448][ T661] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 62.962813][ T661] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.963138][ T661] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.963470][ T661] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 62.963790][ T661] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.964108][ T661] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.964460][ T661] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.964793][ T661] ? ___sys_sendmsg (net/socket.c:2670) 
[ 62.965118][ T661] ? __sys_sendmsg (net/socket.c:2700) 
[ 62.965449][ T661] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.965773][ T661] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 62.966166][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.966509][ T661] netif_set_mtu (net/core/dev.c:9652) 
[ 62.966836][ T661] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 62.967177][ T661] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 62.967449][ T661] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 62.967898][ T661] br_del_if (net/bridge/br_if.c:743) bridge 
[ 62.968257][ T661] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 62.968646][ T661] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 62.968974][ T661] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 62.969298][ T661] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 62.969716][ T661] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 62.970050][ T661] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 62.970374][ T661] ? __kernel_text_address (kernel/extable.c:79) 
[ 62.970711][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.971038][ T661] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 62.971359][ T661] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 62.971765][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.972199][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.972670][ T661] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 62.973018][ T661] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 62.973345][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.973678][ T661] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 62.973998][ T661] ? __create_object (mm/kmemleak.c:771) 
[ 62.974320][ T661] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 62.974653][ T661] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 62.974975][ T661] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 62.975387][ T661] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 62.975729][ T661] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 62.976057][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.976376][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.976710][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.977032][ T661] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 62.977348][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.977678][ T661] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 62.978008][ T661] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 62.978333][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.978681][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.979008][ T661] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 62.979332][ T661] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 62.979664][ T661] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 62.979995][ T661] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 62.980335][ T661] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 62.980681][ T661] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 62.981012][ T661] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 62.981330][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.981659][ T661] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 62.981981][ T661] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 62.982297][ T661] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 62.982641][ T661] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 62.982963][ T661] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 62.983280][ T661] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 62.983692][ T661] ___sys_sendmsg (net/socket.c:2670) 
[ 62.984016][ T661] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 62.984335][ T661] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 62.984743][ T661] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 62.985071][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.985393][ T661] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 62.985728][ T661] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 62.986052][ T661] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 62.986370][ T661] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 62.986708][ T661] __sys_sendmsg (net/socket.c:2700) 
[ 62.987024][ T661] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 62.987436][ T661] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 62.987766][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 62.988088][ T661] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 62.988419][ T661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   62.988861][  T661] RIP: 0033:0x7fc8015a71e7
[ 62.989194][ T661] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   62.990315][  T661] RSP: 002b:00007ffcf4e4f238 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   62.990801][  T661] RAX: ffffffffffffffda RBX: 00007ffcf4e4f960 RCX: 00007fc8015a71e7
[   62.991269][  T661] RDX: 0000000000000000 RSI: 00007ffcf4e4f2a0 RDI: 0000000000000005
[   62.991753][  T661] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   62.992233][  T661] R10: 00007fc8014a4ee8 R11: 0000000000000246 R12: 0000000000000003
[   62.992712][  T661] R13: 00000000686e3e1f R14: 0000000000499600 R15: 0000000000000000
| [   63.219072][  T663] ------------[ cut here ]------------
| [ 63.220572][ T663] WARNING: CPU: 3 PID: 663 at ./include/net/netdev_lock.h:17 netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
| [   63.221272][  T663] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   63.223166][  T663] Tainted: [W]=WARN
[   63.223638][  T663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 63.224066][ T663] RIP: 0010:netif_set_mtu_ext (./include/net/netdev_lock.h:17 ./include/net/netdev_lock.h:15 ./include/net/netdev_lock.h:25 net/core/dev.c:9610) 
[ 63.224687][ T663] Code: 00 00 8b 05 d7 bc 3a 02 85 c0 0f 84 52 fe ff ff 48 8d bb a0 0c 00 00 be ff ff ff ff e8 1a 63 7b 00 85 c0 0f 85 39 fe ff ff 90 <0f> 0b 90 e9 30 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 fa 48
All code
========
   0:	00 00                	add    %al,(%rax)
   2:	8b 05 d7 bc 3a 02    	mov    0x23abcd7(%rip),%eax        # 0x23abcdf
   8:	85 c0                	test   %eax,%eax
   a:	0f 84 52 fe ff ff    	je     0xfffffffffffffe62
  10:	48 8d bb a0 0c 00 00 	lea    0xca0(%rbx),%rdi
  17:	be ff ff ff ff       	mov    $0xffffffff,%esi
  1c:	e8 1a 63 7b 00       	call   0x7b633b
  21:	85 c0                	test   %eax,%eax
  23:	0f 85 39 fe ff ff    	jne    0xfffffffffffffe62
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	e9 30 fe ff ff       	jmp    0xfffffffffffffe62
  32:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  39:	fc ff df 
  3c:	4c 89 fa             	mov    %r15,%rdx
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	e9 30 fe ff ff       	jmp    0xfffffffffffffe38
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df 
  12:	4c 89 fa             	mov    %r15,%rdx
  15:	48                   	rex.W
[   63.226548][  T663] RSP: 0018:ffffc90001326f70 EFLAGS: 00010246
[   63.226977][  T663] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   63.227797][  T663] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   63.228304][  T663] RBP: ffffc90001327058 R08: 0000000000000000 R09: 0000000000000000
[   63.229151][  T663] R10: ffffc90001327088 R11: ffffffff9e979160 R12: 1ffff92000264df2
[   63.229973][  T663] R13: 00000000000005dc R14: ffffc90001327088 R15: ffff888008bfaf08
[   63.230812][  T663] FS:  00007fafe3e02800(0000) GS:ffff888095e37000(0000) knlGS:0000000000000000
[   63.231729][  T663] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.232153][  T663] CR2: 00000000004e6100 CR3: 000000000bc1e005 CR4: 0000000000772ef0
[   63.232982][  T663] PKRU: 55555554
[   63.233238][  T663] Call Trace:
[   63.233821][  T663]  <TASK>
[ 63.233993][ T663] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.234627][ T663] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 63.235007][ T663] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.235348][ T663] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.236014][ T663] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 63.236345][ T663] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.236955][ T663] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.237294][ T663] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.237843][ T663] ? ___sys_sendmsg (net/socket.c:2670) 
[ 63.238190][ T663] ? __sys_sendmsg (net/socket.c:2700) 
[ 63.238746][ T663] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.239089][ T663] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 63.239779][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.240129][ T663] netif_set_mtu (net/core/dev.c:9652) 
[ 63.240783][ T663] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 63.241135][ T663] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 63.241387][ T663] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 63.242059][ T663] br_del_if (net/bridge/br_if.c:743) bridge 
[ 63.242661][ T663] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 63.242994][ T663] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 63.243339][ T663] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 63.243877][ T663] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 63.244323][ T663] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 63.245307][ T663] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 63.245937][ T663] ? __kernel_text_address (kernel/extable.c:79) 
[ 63.246283][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.246812][ T663] ? __mutex_trylock_common (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4296 ./include/linux/atomic/atomic-long.h:1482 ./include/linux/atomic/atomic-instrumented.h:4458 kernel/locking/mutex.c:113) 
[ 63.247153][ T663] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 63.247785][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.248122][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.248673][ T663] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 63.249022][ T663] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 63.249358][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.249891][ T663] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 63.250223][ T663] ? __create_object (mm/kmemleak.c:771) 
[ 63.250790][ T663] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 63.251131][ T663] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 63.251682][ T663] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 63.252103][ T663] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 63.252646][ T663] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 63.252984][ T663] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.253315][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.253929][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.254273][ T663] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 63.254883][ T663] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.255224][ T663] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 63.255815][ T663] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 63.256160][ T663] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.256769][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.257117][ T663] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 63.257710][ T663] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 63.258052][ T663] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 63.258398][ T663] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 63.258968][ T663] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 ./include/net/netns/generic.h:48 net/netlink/af_netlink.c:333) 
[ 63.259306][ T663] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 63.259971][ T663] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 63.260312][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.260911][ T663] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 63.261243][ T663] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 63.261752][ T663] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 63.262103][ T663] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 63.262715][ T663] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 63.263043][ T663] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 63.263786][ T663] ___sys_sendmsg (net/socket.c:2670) 
[ 63.264125][ T663] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 63.264683][ T663] ? __call_rcu_common.constprop.0 (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:127 kernel/rcu/tree.c:3096) 
[ 63.265100][ T663] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 63.265743][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.266086][ T663] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 63.266670][ T663] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 63.267009][ T663] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 63.267344][ T663] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 63.267944][ T663] __sys_sendmsg (net/socket.c:2700) 
[ 63.268275][ T663] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 63.268981][ T663] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 63.269322][ T663] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 63.269885][ T663] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 63.270219][ T663] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   63.270879][  T663] RIP: 0033:0x7fafe3fcf1e7
[ 63.271233][ T663] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
All code
========
   0:	0e                   	(bad)
   1:	00 f7                	add    %dh,%bh
   3:	d8 64 89 02          	fsubs  0x2(%rcx,%rcx,4)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b9                	jmp    0xffffffffffffffc9
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 2e 00 00 00       	mov    $0x2e,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  3b:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	89 54 24 1c          	mov    %edx,0x1c(%rsp)
  11:	48 89 74 24 10       	mov    %rsi,0x10(%rsp)
[   63.272925][  T663] RSP: 002b:00007ffd998eb588 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   63.273687][  T663] RAX: ffffffffffffffda RBX: 00007ffd998ebcb0 RCX: 00007fafe3fcf1e7
[   63.274191][  T663] RDX: 0000000000000000 RSI: 00007ffd998eb5f0 RDI: 0000000000000005
[   63.274898][  T663] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   63.275396][  T663] R10: 00007fafe3eccee8 R11: 0000000000000246 R12: 0000000000000003
[   63.276738][  T663] R13: 00000000686e3e1f R14: 0000000000499600 R15: 0000000000000000
| [   64.012674][  T667] ------------[ cut here ]------------
| [ 64.013322][ T667] WARNING: CPU: 2 PID: 667 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) 
| [   64.013981][  T667] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.015319][  T667] Tainted: [W]=WARN
[   64.015581][  T667] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.016009][ T667] 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) 
[ 64.016348][ T667] 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
[   64.017507][  T667] RSP: 0018:ffffc90001346f70 EFLAGS: 00010246
[   64.017952][  T667] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   64.018479][  T667] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   64.018974][  T667] RBP: ffffc90001347058 R08: 0000000000000000 R09: 0000000000000000
[   64.019460][  T667] R10: ffffc90001347088 R11: ffffffff9e979160 R12: 1ffff92000268df2
[   64.020010][  T667] R13: 00000000000005dc R14: ffffc90001347088 R15: ffff888008bfaf08
[   64.020564][  T667] FS:  00007f57b94e0800(0000) GS:ffff888095db7000(0000) knlGS:0000000000000000
[   64.021186][  T667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.021657][  T667] CR2: 00000000004e5de8 CR3: 0000000004d2f001 CR4: 0000000000772ef0
[   64.022193][  T667] PKRU: 55555554
[   64.022483][  T667] Call Trace:
[   64.022763][  T667]  <TASK>
[ 64.022955][ T667] ? __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) 
[ 64.023408][ T667] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.023836][ T667] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.024201][ T667] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.024587][ T667] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.024964][ T667] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.025327][ T667] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.025714][ T667] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.026080][ T667] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.026469][ T667] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.026829][ T667] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.027201][ T667] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.027657][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.028035][ T667] netif_set_mtu (net/core/dev.c:9652) 
[ 64.028399][ T667] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.028805][ T667] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.029112][ T667] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.029628][ T667] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.030038][ T667] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.030402][ T667] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.030785][ T667] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.031151][ T667] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.031614][ T667] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.031978][ T667] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.032344][ T667] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.032727][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.033092][ T667] ? __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) 
[ 64.033466][ T667] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.033907][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.034270][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.034640][ T667] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.035000][ T667] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.035368][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.035740][ T667] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.036100][ T667] ? __create_object (mm/kmemleak.c:771) 
[ 64.036472][ T667] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.036836][ T667] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.037194][ T667] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.037650][ T667] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.038016][ T667] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.038392][ T667] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.038786][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.039157][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.039531][ T667] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.039888][ T667] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.040247][ T667] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.040621][ T667] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.040982][ T667] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.041349][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.041743][ T667] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.042108][ T667] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.042478][ T667] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.042850][ T667] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.043204][ T667] ? 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) 
[ 64.043579][ T667] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.043951][ T667] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.044312][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.044688][ T667] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.045056][ T667] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.045427][ T667] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.045808][ T667] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.046188][ T667] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.046568][ T667] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.047022][ T667] ___sys_sendmsg (net/socket.c:2670) 
[ 64.047382][ T667] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.047742][ T667] ? __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) 
[ 64.048187][ T667] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.048581][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.048951][ T667] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.049326][ T667] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.049704][ T667] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.050065][ T667] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.050443][ T667] __sys_sendmsg (net/socket.c:2700) 
[ 64.050803][ T667] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.051249][ T667] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.051633][ T667] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.052004][ T667] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.052373][ T667] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.052829][  T667] RIP: 0033:0x7f57b96ad1e7
[ 64.053203][ T667] 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)
[   64.054453][  T667] RSP: 002b:00007ffc31e09a38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.054993][  T667] RAX: ffffffffffffffda RBX: 00007ffc31e0a160 RCX: 00007f57b96ad1e7
[   64.055530][  T667] RDX: 0000000000000000 RSI: 00007ffc31e09aa0 RDI: 0000000000000005
[   64.056058][  T667] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.056638][  T667] R10: 00007f57b95aaee8 R11: 0000000000000246 R12: 0000000000000003
[   64.057115][  T667] R13: 00000000686e3e20 R14: 0000000000499600 R15: 0000000000000000
| [   64.573103][  T671] ------------[ cut here ]------------
| [ 64.573447][ T671] WARNING: CPU: 0 PID: 671 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) 
| [   64.574058][  T671] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
| [   64.576593][  T671] Tainted: [W]=WARN
[   64.576833][  T671] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 64.577214][ T671] 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) 
[ 64.577534][ T671] 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
[   64.578671][  T671] RSP: 0018:ffffc90001356f70 EFLAGS: 00010246
[   64.579060][  T671] RAX: 0000000000000000 RBX: ffff888008bfa000 RCX: 0000000000000001
[   64.579524][  T671] RDX: 0000000000000000 RSI: ffffffff9e49b941 RDI: ffffffff9dc555e0
[   64.579983][  T671] RBP: ffffc90001357058 R08: 0000000000000000 R09: 0000000000000000
[   64.580443][  T671] R10: ffffc90001357088 R11: ffffffff9e979160 R12: 1ffff9200026adf2
[   64.580904][  T671] R13: 00000000000005dc R14: ffffc90001357088 R15: ffff888008bfaf08
[   64.581369][  T671] FS:  00007fd54f147800(0000) GS:ffff888095cb7000(0000) knlGS:0000000000000000
[   64.581904][  T671] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.582285][  T671] CR2: 00000000004e5ce0 CR3: 0000000002a73003 CR4: 0000000000772ef0
[   64.582747][  T671] PKRU: 55555554
[   64.582975][  T671] Call Trace:
[   64.583205][  T671]  <TASK>
[ 64.583360][ T671] ? __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) 
[ 64.583750][ T671] ? br_del_if (net/bridge/br_if.c:742) bridge 
[ 64.584098][ T671] ? do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.584406][ T671] ? do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.584728][ T671] ? __pfx_netif_set_mtu_ext (net/core/dev.c:9607) 
[ 64.585032][ T671] ? netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.585339][ T671] ? netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.585652][ T671] ? ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.585961][ T671] ? ___sys_sendmsg (net/socket.c:2670) 
[ 64.586263][ T671] ? __sys_sendmsg (net/socket.c:2700) 
[ 64.586578][ T671] ? do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.586885][ T671] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 64.587264][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.587589][ T671] netif_set_mtu (net/core/dev.c:9652) 
[ 64.587894][ T671] ? __pfx_netif_set_mtu (net/core/dev.c:9647) 
[ 64.588214][ T671] dev_set_mtu (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:47 net/core/dev_api.c:249) 
[ 64.588452][ T671] br_mtu_auto_adjust (net/bridge/br_if.c:525) bridge 
[ 64.588885][ T671] br_del_if (net/bridge/br_if.c:743) bridge 
[ 64.589224][ T671] ? rtnl_is_locked (net/core/rtnetlink.c:169) 
[ 64.589543][ T671] do_set_master (./include/net/netdev_lock.h:30 ./include/net/netdev_lock.h:41 net/core/rtnetlink.c:2933) 
[ 64.589859][ T671] do_setlink.constprop.0 (net/core/rtnetlink.c:3150) 
[ 64.590176][ T671] ? __pfx_do_setlink.constprop.0 (net/core/rtnetlink.c:3021) 
[ 64.590583][ T671] ? rcu_read_lock_any_held (kernel/rcu/update.c:386 kernel/rcu/update.c:380) 
[ 64.590889][ T671] ? validate_chain (kernel/locking/lockdep.c:3804 kernel/locking/lockdep.c:3824 kernel/locking/lockdep.c:3879) 
[ 64.591193][ T671] ? __kernel_text_address (kernel/extable.c:79) 
[ 64.591509][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.591816][ T671] ? __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) 
[ 64.592121][ T671] ? __pfx___mutex_trylock_common (kernel/locking/mutex.c:88) 
[ 64.592513][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.592822][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.593126][ T671] ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 21)) 
[ 64.593453][ T671] ? __mutex_lock (./arch/x86/include/asm/preempt.h:104 kernel/locking/mutex.c:728 kernel/locking/mutex.c:747) 
[ 64.593762][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.594064][ T671] ? rtnl_newlink (net/core/rtnetlink.c:343 net/core/rtnetlink.c:4056) 
[ 64.594367][ T671] ? __create_object (mm/kmemleak.c:771) 
[ 64.594686][ T671] ? __pfx___mutex_lock (kernel/locking/mutex.c:746) 
[ 64.594997][ T671] ? trace_cap_capable (./include/trace/events/capability.h:26 (discriminator 21)) 
[ 64.595301][ T671] ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/preempt.h:104 ./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 64.595690][ T671] ? __rtnl_newlink (net/core/rtnetlink.c:3907) 
[ 64.596001][ T671] rtnl_newlink (net/core/rtnetlink.c:351 net/core/rtnetlink.c:4058) 
[ 64.596311][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.596626][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.596938][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.597245][ T671] ? rtnetlink_rcv_msg (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/core/rtnetlink.c:6944) 
[ 64.597561][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.597873][ T671] ? __pfx_rtnl_newlink (net/core/rtnetlink.c:3948) 
[ 64.598179][ T671] rtnetlink_rcv_msg (net/core/rtnetlink.c:6946) 
[ 64.598502][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.598814][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.599122][ T671] netlink_rcv_skb (net/netlink/af_netlink.c:2551) 
[ 64.599437][ T671] ? __pfx_rtnetlink_rcv_msg (net/core/rtnetlink.c:6849) 
[ 64.599748][ T671] ? __pfx_netlink_rcv_skb (net/netlink/af_netlink.c:2528) 
[ 64.600064][ T671] ? netlink_deliver_tap (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:871 net/netlink/af_netlink.c:340) 
[ 64.600367][ T671] ? 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) 
[ 64.600682][ T671] netlink_unicast (net/netlink/af_netlink.c:1320 net/netlink/af_netlink.c:1346) 
[ 64.600989][ T671] ? __pfx_netlink_unicast (net/netlink/af_netlink.c:1331) 
[ 64.601292][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.601627][ T671] netlink_sendmsg (net/netlink/af_netlink.c:1896) 
[ 64.601945][ T671] ? __pfx_netlink_sendmsg (net/netlink/af_netlink.c:1815) 
[ 64.602251][ T671] ? __import_iovec (lib/iov_iter.c:1441 lib/iov_iter.c:1456) 
[ 64.602576][ T671] ____sys_sendmsg (net/socket.c:714 net/socket.c:729 net/socket.c:2614) 
[ 64.602889][ T671] ? __pfx_____sys_sendmsg (net/socket.c:2560) 
[ 64.603190][ T671] ? __pfx_copy_msghdr_from_user (net/socket.c:2540) 
[ 64.603586][ T671] ___sys_sendmsg (net/socket.c:2670) 
[ 64.603887][ T671] ? kasan_record_aux_stack (mm/kasan/generic.c:548) 
[ 64.604194][ T671] ? __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) 
[ 64.604582][ T671] ? __pfx____sys_sendmsg (net/socket.c:2657) 
[ 64.604893][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.605212][ T671] ? __lock_acquire (kernel/locking/lockdep.c:5240) 
[ 64.605537][ T671] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 64.605841][ T671] ? __virt_addr_valid (./include/linux/rcupdate.h:341 ./include/linux/rcupdate.h:953 ./include/linux/mmzone.h:2168 arch/x86/mm/physaddr.c:65) 
[ 64.606144][ T671] ? __lock_release (kernel/locking/lockdep.c:5539) 
[ 64.606462][ T671] __sys_sendmsg (net/socket.c:2700) 
[ 64.606772][ T671] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3119) 
[ 64.607147][ T671] ? __pfx___sys_sendmsg (net/socket.c:2685) 
[ 64.607469][ T671] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 64.607780][ T671] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 64.608088][ T671] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   64.608483][  T671] RIP: 0033:0x7fd54f3141e7
[ 64.608802][ T671] 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)
[   64.609895][  T671] RSP: 002b:00007ffc8ce8d4e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   64.610353][  T671] RAX: ffffffffffffffda RBX: 00007ffc8ce8dc10 RCX: 00007fd54f3141e7
[   64.610816][  T671] RDX: 0000000000000000 RSI: 00007ffc8ce8d550 RDI: 0000000000000005
[   64.611282][  T671] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078
[   64.611743][  T671] R10: 00007fd54f211ee8 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